The semiconductor device is configured to improve the bonding strength to a wiring board. The semiconductor device includes a first lead, a semiconductor element, and a sealing resin. The semiconductor element is electrically connected to the first lead. The sealing resin covers a part of the first lead, and the semiconductor element. The first lead has a first outer portion protruding from the sealing resin. The first outer portion has a first mounting surface facing one side in a first direction. The first outer portion has a first opening penetrating the first outer portion from the first mounting surface.
The light-emission drive device includes a bypass circuit and a bypass control circuit. The bypass circuit is configured to switch over between an inflow state and a withdrawal state for each of light-emitting elements connected in series in plurality. The bypass control circuit controls the bypass circuit in such a way that when an enable signal is at a first logic level, a drive current is made to flow into, or be withdrawn from, each of the light-emitting elements, and when the enable signal is at a second logic level, the drive current is made to flow into none of the light-emitting elements but to be withdrawn from all the light-emitting elements until the drive current becomes less than a specified current value.
H02M 1/36 - Moyens pour mettre en marche ou arrêter les convertisseurs
H02M 1/00 - Détails d'appareils pour transformation
H02M 3/07 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des résistances ou des capacités, p. ex. diviseur de tension utilisant des capacités chargées et déchargées alternativement par des dispositifs à semi-conducteurs avec électrode de commande
A semiconductor integrated circuit includes a resistor string, which includes: a plurality of polysilicon resistors extending in a first direction, formed to be adjacent in a second direction, and having same dimensions; a plurality of first contact polysilicon regions formed to be in contact with both one end of a (2j-1)th polysilicon resistor and one end of a (2j)th polysilicon resistor where j is a natural number; a plurality of first contact regions formed to overlap with the plurality of first contact polysilicon regions and from which a wiring is drawn out; a plurality of second contact polysilicon regions formed to be in contact with both the other end of the (2j)th polysilicon resistor and the other end of a (2j+1)th polysilicon resistor; and a plurality of second contact regions formed to overlap with the plurality of second contact polysilicon regions and from which a wiring is drawn out.
This semiconductor device comprises: a first conductivity-type semiconductor layer having a first principal surface and a second principal surface; a first pillar region of a first conductivity type extending in the depth direction of the semiconductor layer from the first principal surface toward the second principal surface in the semiconductor layer; and a second pillar region of a second conductivity type adjacent to the first pillar region in the semiconductor layer and extending in the depth direction, wherein the first width W1 of the first pillar region is greater than the second width W2 of the second pillar region.
H10D 62/10 - Formes, dimensions relatives ou dispositions des régions des corps semi-conducteursFormes des corps semi-conducteurs
H10D 84/80 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si caractérisés par l'intégration d'au moins un composant couvert par les groupes ou , p. ex. l'intégration de transistors IGFET
H10D 84/83 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si caractérisés par l'intégration d'au moins un composant couvert par les groupes ou , p. ex. l'intégration de transistors IGFET de composants à effet de champ uniquement de transistors FET à grille isolée [IGFET] uniquement
A semiconductor device according to the present invention includes: a semiconductor layer that is of a first conductivity type and has a principal surface; a body region that is of a second conductivity type and is formed at a surface layer portion of the principal surface; a trench-type gate structure that is formed at the principal surface so as to pass through the body region and extends in a first direction along the principal surface; a first pillar region that is of the first conductivity type and extends in a second direction along the principal surface within the semiconductor layer so as to intersect the gate structure; a second pillar region that is of the second conductivity type, is adjacent to the first pillar region in the first direction, and forms a pn junction with the first pillar region; and a plurality of contact regions that are of the second conductivity type and are arranged at intervals along the first direction, each of the contact regions being selectively provided at a surface layer portion of the body region in a region that is directly above the second pillar region in the thickness direction of the semiconductor layer so as to be opposite the second pillar region in the thickness direction of the semiconductor layer.
Disclosed herein is an electronic device including an electronic component, a sealing member that has a top surface and a bottom surface separated from each other in a thickness direction of the electronic component and covers the electronic component, and a plurality of outer portions each projecting from a side of the sealing member. Each of the plurality of outer portions includes a terminal portion extending in a band shape as viewed in the thickness direction and a projection portion projecting from the terminal portion in a direction intersecting the thickness direction. The projection portion is located farther from the sealing member than a position at which the corresponding terminal portion is divided into two equal portions along a shape of the terminal portion.
A semiconductor device includes: a drive circuit configured to perform one of turn-on and turn-off of a switching device to be driven at a time of normal driving; and an active discharge circuit configured to perform one of soft turn-on and soft turn-off of the switching device more mildly than the one of the turn-on and the turn-off by the drive circuit at a time of active discharge.
H03K 17/687 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ
B60L 15/00 - Procédés, circuits ou dispositifs pour commander la propulsion des véhicules à traction électrique, p. ex. commande de la vitesse des moteurs de traction en vue de réaliser des performances désiréesAdaptation sur les véhicules à traction électrique de l'installation de commande à distance à partir d'un endroit fixe, de différents endroits du véhicule ou de différents véhicules d'un même train
H02M 1/088 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques pour la commande simultanée de dispositifs à semi-conducteurs connectés en série ou en parallèle
8.
SEMICONDUCTOR DEVICE, ELECTRONIC DEVICE, AND VEHICLE
A semiconductor device includes: a drive circuit that turns on or off a switching device; a mirror clamp circuit that prevents erroneous turning-on of the switching device due to a mirror current; and an active discharge circuit that soft-turns on the switching device more slowly than the drive circuit or to turn off the switching device in a state where the mirror clamp circuit is disabled.
H03K 17/687 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
H02M 1/088 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques pour la commande simultanée de dispositifs à semi-conducteurs connectés en série ou en parallèle
A video transmission system includes an encoder, which includes a first transmission part that transmits a specific signal for communication establishment to a decoder via a first communication line during a blanking period of video data, and a determination part that determines communication establishment of back channel communication in a case of receiving a command signal indicating communication establishment from the decoder via a second communication line after transmission of the specific signal. The decoder includes a judgment part that judges whether or not a signal received from the encoder during the blanking period is the specific signal; and a second transmission part that transmits the command signal to the encoder via the second communication line in a case of the received signal being the specific signal, and the encoder and the decoder execute the back channel communication via the second communication line after determination of the communication establishment.
H04N 7/173 - Systèmes à secret analogiquesSystèmes à abonnement analogiques à deux voies, p. ex. l'abonné envoyant un signal de sélection du programme
H04N 7/083 - Systèmes pour la transmission simultanée ou séquentielle de plus d'un signal de télévision, p. ex. des signaux d'information additionnelle, les signaux occupant totalement ou partiellement la même bande de fréquence avec insertion du signal dans l'intervalle de suppression vertical et horizontal
Ancora Semiconductors Inc. (Taïwan, Province de Chine)
Inventeur(s)
Fujimaki, Takumi
Nate, Satoru
Liu, Ying-Chen
Chao, Wei-Hsiang
Abrégé
A semiconductor device includes a GaN chip and a Si chip. The GaN chip includes a GaN power element and a temperature monitoring element. The Si chip includes: a drive circuit configured to drive the GaN power element; and a protection circuit configured to generate a thermal shutdown protection signal using an output of the temperature monitoring element.
H10D 62/85 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe III-V, p. ex. GaAs
H10D 80/30 - Ensembles de plusieurs dispositifs comprenant au moins un dispositif couvert par la présente sous-classe l’au moins un dispositif étant couvert par les groupes , p. ex. des ensembles comprenant des puces de processeur à circuit intégré
An overcurrent protection circuit includes: a sense signal generation circuit configured to generate a sense signal according to a current to be monitored; a count completion value setting circuit configured to set a count completion value according to results of comparisons between a second sense signal corresponding to the sense signal and threshold values; and a counter configured to count up a count value when the current to be monitored is greater than a count start threshold value, and to forcibly stop the current to be monitored when the count value reaches the count completion value.
H02H 3/08 - Circuits de protection de sécurité pour déconnexion automatique due directement à un changement indésirable des conditions électriques normales de travail avec ou sans reconnexion sensibles à une surcharge
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
A semiconductor device includes a semiconductor layer of a first conductivity type having a main surface, a body region of a second conductivity type formed in a surface layer portion of the main surface, a trench-type gate structure formed in the main surface so as to penetrate the body region and extending in a first direction along the main surface, a first pillar region of the first conductivity type extending in a second direction along the main surface in the semiconductor layer so as to intersect the gate structure, a second pillar region of the second conductivity type adjacent to the first pillar region in the first direction and forming a pn junction with the first pillar region, and a plurality of well regions of the second conductivity type arranged at intervals along the first direction below the gate structure in the semiconductor layer, each of the plurality of well regions being electrically connected to the body region via the second pillar region.
This semiconductor device includes: a semiconductor layer that contains SiC and has a main surface having a first barrier height; a trench that is formed in the main surface, has a side wall having a second barrier height lower than the first barrier height, and has an inclined side wall having a third barrier height higher than the second barrier height and lower than the first barrier height and inclined downward from the main surface to the side wall; and an electrode that covers the main surface and the inclined side wall and forms a Schottky junction with both the main surface and the inclined side wall.
H10D 12/00 - Dispositifs bipolaires contrôlés par effet de champ, p. ex. transistors bipolaires à grille isolée [IGBT]
H10D 62/10 - Formes, dimensions relatives ou dispositions des régions des corps semi-conducteursFormes des corps semi-conducteurs
H10D 64/62 - Électrodes couplées de manière ohmique à un semi-conducteur
H10D 64/64 - Électrodes comprenant une barrière de Schottky à un semi-conducteur
H10D 84/80 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si caractérisés par l'intégration d'au moins un composant couvert par les groupes ou , p. ex. l'intégration de transistors IGFET
14.
INSULATION SIGNAL TRANSMISSION ELEMENT AND SEMICONDUCTOR DEVICE
Provided is an insulation signal transmission element including a plurality of insulation layers stacked in a thickness direction and a magnetic field coupling part including a first coil positioned on a first side of the thickness direction and a second coil positioned on a second side of the thickness direction. The plurality of insulation layers include at least one first insulation layer interposed between the first coil and the second coil in the thickness direction, and each of the insulation layers includes glass fibers.
A semiconductor device includes a chip that has a main surface, a pad region that is provided in the main surface, a first electrode that is arranged on the main surface in the pad region, and to which a first potential is to be applied, a side wall dielectric film that covers a side wall of the first electrode in the pad region, and a second electrode that is arranged on the main surface so as to form a capacitive coupling with the first electrode via the side wall dielectric film in the pad region, and to which a second potential different from the first potential is to be applied.
H10D 84/00 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si
H10D 12/00 - Dispositifs bipolaires contrôlés par effet de champ, p. ex. transistors bipolaires à grille isolée [IGBT]
H10D 62/10 - Formes, dimensions relatives ou dispositions des régions des corps semi-conducteursFormes des corps semi-conducteurs
H10D 62/832 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe IV, p. ex. Si dopé B ou Ge non dopé étant des matériaux du groupe IV comprenant deux éléments ou plus, p. ex. SiGe
H10D 64/23 - Électrodes transportant le courant à redresser, à amplifier, à faire osciller ou à commuter, p. ex. sources, drains, anodes ou cathodes
A semiconductor device includes a first impurity region, a second impurity region, and a third impurity region that are formed in a chip, a trench that is formed in the chip, a trench insulating film that is formed on an inner surface of the trench, an embedded body with conductivity that is embedded in the trench, and an electric field relaxation layer that is formed at a bottom portion of the trench and the electric field relaxation layer includes a first layer that is formed separated to the second principal surface side from the bottom portion of the trench and has a first impurity concentration and a second layer that is formed between the first layer and the bottom portion of the trench and has a second impurity concentration higher than the first impurity concentration.
H10D 30/66 - Transistors FET DMOS verticaux [VDMOS]
H10D 62/60 - Distribution ou concentrations d’impuretés
H10D 62/83 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe IV, p. ex. Si dopé B ou Ge non dopé
H10D 62/832 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe IV, p. ex. Si dopé B ou Ge non dopé étant des matériaux du groupe IV comprenant deux éléments ou plus, p. ex. SiGe
H10D 84/00 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si
This overvoltage protection element (1A) comprises: a first well region (4) embedded between an upper surface (3A) of a semiconductor substrate (3) having an insulating layer (3b) therein and an upper surface (3bA) of the insulating layer (3b); first diffusion regions (5a, 5b) and a second diffusion region (6) embedded in a part of an upper surface (4A) of the first well region (4); a second well region (7) embedded in the upper surface (3A) of the semiconductor substrate (3) so as to be spaced apart from the first well region (4); and third diffusion regions (8a, 8b) and a fourth diffusion region (9) embedded in a part of an upper surface (7A) of the second well region (7). A first pnpn junction is configured by the arrays of the first diffusion regions (5a, 5b), the first well region (4), the second well region (7), and the third diffusion regions (8a, 8b). A bottom surface (4B) of the first well region (4) is in contact with the upper surface (3bA) of the insulating layer (3b).
H10D 89/60 - Dispositifs intégrés comprenant des dispositions pour la protection électrique ou thermique, p. ex. circuits de protection contre les décharges électrostatiques [ESD].
H10D 84/80 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si caractérisés par l'intégration d'au moins un composant couvert par les groupes ou , p. ex. l'intégration de transistors IGFET
This semiconductor device comprises: a chip having a main surface containing an active region; a semiconductor region of a first conductivity type formed in a surface layer portion of the main surface; a stripe-shaped base impurity region of a second conductivity type formed in a surface layer portion of the semiconductor region and extending in a first direction; a first impurity region formed in a surface layer portion of the base impurity region in the active region; a gate structure that includes a plurality of stripe-shaped main body portions extending in the first direction in the active region and a plurality of bridging portions connecting the plurality of adjacent main body portions, wherein the gate structure faces a channel region formed by a part of the base impurity region; and a second impurity region of the second conductivity type that is selectively formed in a covered region of the main surface covered by the bridging portions and that is connected to the base impurity region.
H10D 12/00 - Dispositifs bipolaires contrôlés par effet de champ, p. ex. transistors bipolaires à grille isolée [IGBT]
H10D 30/66 - Transistors FET DMOS verticaux [VDMOS]
H10D 84/80 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si caractérisés par l'intégration d'au moins un composant couvert par les groupes ou , p. ex. l'intégration de transistors IGFET
A semiconductor element comprising a plurality of terminals. The semiconductor element includes a line segment that overlaps with the plurality of terminals. The plurality of terminals are arranged along a first direction of the semiconductor element. The plurality of terminals include a first group, in which centers of gravity are offset to a first side in a second direction perpendicular to the first direction, and a second group, in which centers of gravity are offset to an opposite side from the first group with respect to the line segment. Each of the plurality of terminals has a shape in which a dimension in the second direction is larger than a dimension in the first direction.
This semiconductor device includes a semiconductor element, a first conduction part, a second conduction part, an insulating layer, and a bonding layer. The semiconductor element includes: a semiconductor body having a semiconductor body main surface and a semiconductor body rear surface; and a first electrode and a second electrode disposed on the semiconductor body main surface. The first conduction part faces the semiconductor body rear surface and is electrically connected to the first electrode. The second conduction part is electrically connected to the second electrode. The insulating layer is disposed between the semiconductor body rear surface and the first conduction part. The bonding layer is disposed between the insulating layer and the first conduction part.
A semiconductor device includes: a semiconductor element; a plurality of leads; and a sealing resin, wherein the leads each include a body and a metal layer covering at least a portion of the body, wherein at least one of the leads includes a covered portion and an exposed portion, respectively covered with and exposed from the sealing resin, wherein the body in the exposed portion includes a bottom surface facing a first side in a thickness direction of the semiconductor element, an end surface with a tip facing a first direction intersecting the thickness direction, and a concave surface between the bottom and end surfaces, wherein the concave surface occupies only a portion of the body in a second direction intersecting the thickness direction and the first direction, and wherein the metal layer includes a bottom surface portion and a concave surface portion covering the bottom and concave surfaces respectively.
A semiconductor device includes a semiconductor element and a conductive support member. The conductive support member includes a plurality of external terminals including a first external terminal and a second external terminal. The semiconductor element includes a plurality of pads including a first pad in a conductive state with the first external terminal and a second pad in a conductive state with the second external terminal. The semiconductor device further includes a capacitor mounted on the semiconductor element in a conductive state with the first pad.
A semiconductor device includes a GaN power device of which the gate breakdown voltage has a positive temperature response, a voltage supplying portion that supplies, when the GaN power device is turned on, a voltage at a high level with a positive temperature response to the gate of the GaN power device, and a heat conducting portion that conducts heat between the GaN power device and the voltage supplying portion.
H10D 80/20 - Ensembles de plusieurs dispositifs comprenant au moins un dispositif couvert par la présente sous-classe l’au moins un dispositif étant couvert par les groupes , p. ex des ensembles comprenant des condensateurs, des transistors FET de puissance ou des diodes Schottky
H10D 80/30 - Ensembles de plusieurs dispositifs comprenant au moins un dispositif couvert par la présente sous-classe l’au moins un dispositif étant couvert par les groupes , p. ex. des ensembles comprenant des puces de processeur à circuit intégré
A signal transmission device 200X comprises a transmission circuit, a reception circuit configured to output a drive control signal in accordance with a first internal signal and a second internal signal; an insulation circuit; and a driving circuit. The transmission circuit drives at least one of the first internal signal and the second internal signal at a specific period in accordance with an external signal. The reception circuit detects that the period of at least one of the first internal signal and the second internal signal is a specific period and outputs a drive control signal. The driving circuit receives the drive control signal, suspends driving of a driving target switch element, and puts an output node of the driving circuit in a high impedance state.
H03K 17/687 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ
25.
ABNORMAL VOLTAGE PROTECTION CIRCUIT, SIGNAL TRANSMISSION DEVICE COMPRISING ABNORMAL VOLTAGE PROTECTION CIRCUIT, ELECTRONIC EQUIPMENT COMPRISING SIGNAL TRANSMISSION DEVICE, AND VEHICLE COMPRISING ELECTRONIC EQUIPMENT
An abnormal voltage protection circuit 502 includes a voltage-current conversion circuit 507, 511, a current-voltage conversion circuit, and an abnormal voltage detection circuit C3, C4. The voltage-current conversion circuit 507, 511 is configured to convert a monitor target voltage VEE2 that is negative with respect to a reference voltage into a current signal I1, I3. The current-voltage conversion circuit is configured to convert the current signal I1, I3 into a voltage signal V7, V11 that is positive with respect to the reference voltage. The abnormal voltage detection circuit C3, C4 is configured to compare the voltage signal V7, V11 with a threshold value voltage V8, V12, so as to be able to detect the monitor target voltage VEE2 is an upper limit voltage V8 or higher, or a lower limit voltage V12 or lower.
H02H 3/20 - Circuits de protection de sécurité pour déconnexion automatique due directement à un changement indésirable des conditions électriques normales de travail avec ou sans reconnexion sensibles à un excès de tension
26.
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
A semiconductor device includes a plurality of terminals, a semiconductor chip mounted on the plurality of terminals, and a sealing resin for sealing the plurality of terminals and the semiconductor chip. Each of the plurality of terminals includes: a rear surface, at least a part of which is exposed from the sealing resin; a front surface on which the semiconductor chip is mounted; a tip surface which is provided within the sealing resin and which is an end surface in a first direction orthogonal to the Z direction; and a projecting portion which is positioned at an intermediate portion in the Z direction on the tip surface.
A semiconductor device includes a chip having a main surface, an active region provided in the main surface, a pad region provided outside the active region in the main surface, a transistor structure formed in the main surface in the active region, and a capacitor structure of a trench electrode type that is formed in the main surface in the pad region and forms capacitive coupling with the chip.
H10D 84/00 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si
H10D 1/66 - Condensateurs à conducteur-isolant-semi-conducteur, p. ex. condensateurs MOS
A semiconductor device includes a chip having a main surface, a capacitor structure of a trench electrode type which is formed in the main surface and to which a first potential is to be applied, a dielectric film covering the capacitor structure on the main surface, and a pad electrode which is arranged on the dielectric film so as to form a capacitive coupling with the capacitor structure via the dielectric film, and to which a second potential different from the first potential is to be applied.
H10D 84/00 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si
H10D 1/68 - Condensateurs n’ayant pas de barrières de potentiel
A semiconductor device includes a chip having a principal surface, a first conductivity type drift region formed at a surface layer portion of the principal surface, a trench electrode type gate structure formed on the principal surface such as to be placed in the drift region, and a second conductivity type well region formed along a bottom wall of the gate structure in a region below the gate structure in the drift region, wherein the well region includes a plurality of first well regions each of which is a first well region having a first bottom portion having a first depth and which are formed at an interval of a first interval from each other in a depth direction of the gate structure, and the first well regions adjacent each other face each other in the depth direction of the gate structure across a portion of the drift region.
H10D 30/66 - Transistors FET DMOS verticaux [VDMOS]
H10D 62/10 - Formes, dimensions relatives ou dispositions des régions des corps semi-conducteursFormes des corps semi-conducteurs
H10D 62/832 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe IV, p. ex. Si dopé B ou Ge non dopé étant des matériaux du groupe IV comprenant deux éléments ou plus, p. ex. SiGe
A semiconductor device includes: one or more leads; one or more semiconductor elements disposed on a first side in a thickness direction with respect to the one or more leads; a plurality of wires each of which is electrically connected to at least one of the one or more leads and the one or more semiconductor elements; and a sealing resin that covers the one or more semiconductor elements, the plurality of wires, and at least a portion of the one or more leads. The plurality of wires include a first wire and a second wire. The second wire is curved in a convex shape toward the first wire as viewed in the thickness direction. The second wire extends across the first wire as viewed in the thickness direction and is spaced apart from the first wire in the thickness direction.
H10D 80/20 - Ensembles de plusieurs dispositifs comprenant au moins un dispositif couvert par la présente sous-classe l’au moins un dispositif étant couvert par les groupes , p. ex des ensembles comprenant des condensateurs, des transistors FET de puissance ou des diodes Schottky
An overvoltage protection element of the present invention comprises a semiconductor substrate having: a first groove and a second groove formed on a first main surface; a first well region that is of a first conductivity type and is embedded so as to surround the first groove; and a second well region that is of a second conductivity type and is embedded so as to surround the second groove. The overvoltage protection element further comprises: a first diffusion region that is of the second conductivity type and is embedded in an upper part of the first well region while contacting a side surface of the first groove; a second diffusion region that is of the first conductivity type and is embedded in an upper surface, of the first well region, located at a bottom surface of the first groove; a third diffusion region that is of the first conductivity type and is embedded in an upper part of the second well region while contacting a side surface of the second groove; and a fourth diffusion region that is of the second conductivity type and is embedded in an upper surface, of the second well region, located at a bottom surface of the second groove.
H10D 84/80 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si caractérisés par l'intégration d'au moins un composant couvert par les groupes ou , p. ex. l'intégration de transistors IGFET
H10D 89/60 - Dispositifs intégrés comprenant des dispositions pour la protection électrique ou thermique, p. ex. circuits de protection contre les décharges électrostatiques [ESD].
Ancora Semiconductors Inc. (Taïwan, Province de Chine)
Inventeur(s)
Fujimaki, Takumi
Nate, Satoru
Liu, Ying-Chen
Chao, Wei-Hsiang
Abrégé
A semiconductor device includes: a resistor; a gallium nitride (GaN) power element; and a drive circuit configured to drive the GaN power element based on a pulse voltage, wherein the drive circuit includes a Schmitt trigger circuit, a high-side switch, and a low-side switch, wherein the pulse voltage is applied to a first end of the resistor, wherein a second end of the resistor is connected to an input terminal of the Schmitt trigger circuit and a first terminal of the high-side switch, wherein a second terminal of the high-side switch is connected to a first terminal of the low-side switch, and wherein each of the high-side switch and the low-side switch is switch-controlled based on an output of the Schmitt trigger circuit.
H03K 17/687 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ
H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques
Ancora Semiconductors Inc. (Taïwan, Province de Chine)
Inventeur(s)
Fujimaki, Takumi
Nate, Satoru
Liu, Ying-Chen
Chao, Wei-Hsiang
Abrégé
A semiconductor device includes: a GaN power element configured to include a gate, a drain and a source; a drive circuit configured to drive the GaN power element; and a monitoring circuit configured to monitor a voltage between the drain and the source of the GaN power element. The drive circuit is configured to turn off the GaN power element based on an output of the monitoring circuit. The monitoring circuit includes a diode a cathode of which is connected to the drain of the GaN power element. The drive circuit is mounted on a Si chip. The GaN power element and the diode are mounted on a GaN chip.
H03K 17/687 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ
A semiconductor device includes a lead with a pad portion having a mount surface facing in a thickness direction, a semiconductor element on the mount surface, a wire bonded to the semiconductor element and the mount surface, and a sealing resin covering the semiconductor element, the wire, and a part of the pad portion. The wire includes a first bonding portion bonded to the semiconductor element and a second bonding portion bonded to the mount surface. The wire is provided with a protrusion overlapping the second bonding portion and being covered by the sealing resin. The pad portion is formed with a hole disposed closer to the second bonding portion than to the first bonding portion. The hole extends to penetrate through the pad portion in the thickness direction. A part of the sealing resin is disposed in the hole.
A semiconductor device includes an electrically insulating substrate including a substrate main surface and a substrate back surface facing opposite to each other in a thickness direction and at least one substrate side surface facing a direction intersecting the thickness direction, a semiconductor element arranged at a side of the substrate main surface, a heat-dissipating conductive portion that is provided at a position overlapping with at least a portion of the semiconductor element when viewed from the thickness direction and is exposed from the substrate back surface, a sealing resin that seals the semiconductor element while covering the substrate main surface, and at least one wiring portion that is connected to the heat-dissipating conductive portion, extends from the heat-dissipating conductive portion to the substrate side surface while being exposed from the substrate back surface, and is exposed from the substrate side surface.
A semiconductor device includes a chip having a main surface, an active region provided in the main surface, a pad region provided outside the active region in the main surface, a transistor structure of an insulated gate type formed in the main surface in the active region, a capacitor structure of a trench electrode type that is formed in the main surface in the pad region and forms capacitive coupling with the chip, and a pad electrode that is arranged on the main surface in the pad region and is electrically connected to the capacitor structure.
H10D 84/00 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si
The semiconductor module includes a first device that has an IGBT and a second device that has a reflux diode which is anti-parallel connected to the IGBT, which has a forward threshold voltage less than a reverse withstand voltage of the IGBT, and which has a forward breakdown voltage in excess of the reverse withstand voltage of the IGBT.
A semiconductor device includes: terminals that include a terminal obverse surface and a terminal reverse surface; a semiconductor chip that is mounted on the terminals; and an encapsulating resin for encapsulating the terminals and the semiconductor chip. The terminals include: a terminal portion that includes a terminal portion reverse surface, which is exposed from the encapsulating resin on the terminal reverse surface; a mounting portion that extends from the terminal portion in a first direction orthogonal to a Z direction, which is the thickness direction of the terminal, and has the semiconductor chip mounted thereon; a groove portion that is provided at least in the mounting portion and extends in the first direction; and wall portions that are positioned at both ends in a second direction orthogonal to both the Z direction and the first direction by the groove portion and extend in the first direction.
A semiconductor device includes a chip having a principal surface, a semiconductor region of a first conductivity type formed in a surface layer portion of the principal surface, and a device structure having a source structure formed in the semiconductor region at an inner portion of the principal surface. A peripheral edge source electrode portion having a first outer edge is arranged on a peripheral edge portion of the principal surface and electrically connected to the source structure. A terminal region of a second conductivity type is formed in the semiconductor region at the peripheral edge portion and electrically connected to the peripheral edge source electrode portion. The terminal region includes a second outer edge positioned closer to a peripheral edge of the principal surface than the first outer edge, wherein a distance between the first and second outer edges is not less than 10 μm.
H10D 30/66 - Transistors FET DMOS verticaux [VDMOS]
H10D 62/10 - Formes, dimensions relatives ou dispositions des régions des corps semi-conducteursFormes des corps semi-conducteurs
H10D 62/832 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe IV, p. ex. Si dopé B ou Ge non dopé étant des matériaux du groupe IV comprenant deux éléments ou plus, p. ex. SiGe
H10D 64/23 - Électrodes transportant le courant à redresser, à amplifier, à faire osciller ou à commuter, p. ex. sources, drains, anodes ou cathodes
1011011010(cm-311(x) is the concentration of the first transition region at a depth x, and x is the depth from the main surface of the epitaxial layer.)
H10D 12/00 - Dispositifs bipolaires contrôlés par effet de champ, p. ex. transistors bipolaires à grille isolée [IGBT]
H10D 30/66 - Transistors FET DMOS verticaux [VDMOS]
H10D 62/10 - Formes, dimensions relatives ou dispositions des régions des corps semi-conducteursFormes des corps semi-conducteurs
H10D 84/80 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si caractérisés par l'intégration d'au moins un composant couvert par les groupes ou , p. ex. l'intégration de transistors IGFET
The control device includes a control block configured to generate, on a basis of feedback signals derived from an actuator, control output signals intended for control of the actuator, and an anomaly detection block configured to detect an anomaly on a basis of intermediate arithmetic data which are generated by computation in a generation process of the control output signals according to the feedback signals in the control block.
A signal transmission device comprises: an insulation element for performing signal transmission between a primary circuit system and a secondary circuit system while providing insulation therebetween; a self-diagnosis circuit which is provided in the secondary circuit system and performs self-diagnosis of the secondary circuit system; a storage circuit which is provided in the secondary circuit system and in which memory access is permitted after completion of the self-diagnosis; and a transmission circuit which is provided in the secondary circuit system and outputs a transmission pulse signal to the insulation element. The transmission circuit generates one pulse or a group of a plurality of pulses in the transmission pulse signal at the completion timing of each of the self-diagnosis and the memory access and continues generating pulses at the period of a first time in the transmission pulse signal when an abnormality in the memory access is being detected.
H03K 17/691 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ avec une isolation galvanique entre le circuit de commande et le circuit de sortie utilisant un couplage par transformateur
H03K 19/0175 - Dispositions pour le couplageDispositions pour l'interface
A rectifier includes a first transistor of a drain/source common field effect type and a second transistor of a drain/source common field effect type in which the second transistor is diode-connected to the first transistor so as to allow the first transistor to perform a diode operation, and configures a rectifier stage with the first transistor.
H02M 7/217 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
H10D 30/65 - Transistors FET DMOS latéraux [LDMOS]
H10D 84/00 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si
H10D 84/80 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si caractérisés par l'intégration d'au moins un composant couvert par les groupes ou , p. ex. l'intégration de transistors IGFET
H10D 84/83 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si caractérisés par l'intégration d'au moins un composant couvert par les groupes ou , p. ex. l'intégration de transistors IGFET de composants à effet de champ uniquement de transistors FET à grille isolée [IGFET] uniquement
H10D 84/85 - Transistors IGFET complémentaires, p. ex. CMOS
A semiconductor device includes a semiconductor substrate, an insulating layer provided on the semiconductor substrate, a resistor embedded in the insulating layer and formed by electrically connecting a plurality of resistance layers, a first electrode connected electrically to a first end of the resistor, a second electrode connected electrically to a second end of the resistor, and a plurality of first dummy wiring lines arranged around the first electrode and respectively coupled capacitively to the plurality of resistance layers in the resistor.
H10D 1/47 - Résistances n’ayant pas de barrières de potentiel
H10D 80/20 - Ensembles de plusieurs dispositifs comprenant au moins un dispositif couvert par la présente sous-classe l’au moins un dispositif étant couvert par les groupes , p. ex des ensembles comprenant des condensateurs, des transistors FET de puissance ou des diodes Schottky
H10D 80/30 - Ensembles de plusieurs dispositifs comprenant au moins un dispositif couvert par la présente sous-classe l’au moins un dispositif étant couvert par les groupes , p. ex. des ensembles comprenant des puces de processeur à circuit intégré
A SiC semiconductor device includes a SiC chip having a main surface that includes a first surface, a second surface hollowed in a thickness direction outside the first surface, and a connecting surface connecting the first surface and the second surface, and in which a mesa is defined by the first surface, the second surface and the connecting surface, a trench structure formed at the first surface such as to be exposed from the connecting surface, and a sidewall wiring that is formed on the second surface such as to cover the connecting surface and that is electrically connected to the trench structure.
H10D 62/832 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe IV, p. ex. Si dopé B ou Ge non dopé étant des matériaux du groupe IV comprenant deux éléments ou plus, p. ex. SiGe
H10D 30/66 - Transistors FET DMOS verticaux [VDMOS]
H10D 62/10 - Formes, dimensions relatives ou dispositions des régions des corps semi-conducteursFormes des corps semi-conducteurs
H10D 64/27 - Électrodes ne transportant pas le courant à redresser, à amplifier, à faire osciller ou à commuter, p. ex. grilles
This semiconductor device comprises: a chip having a main surface; a device structure formed on the main surface; a metal electrode covering the main surface; an inorganic insulating film covering the metal electrode; and an organic insulating film covering the metal electrode with the inorganic insulating film interposed therebetween. The metal electrode has a pad electrode. The organic insulating film has a first organic opening exposing the pad electrode as a first pad and a second organic opening exposing the pad electrode as a second pad. The inorganic insulating film includes a first pad inorganic film having a first inorganic opening exposing the first pad and a second pad inorganic film having a second inorganic opening exposing the second pad. The first pad inorganic film and the second pad inorganic film are separated from each other and are not mechanically connected to each other.
This semiconductor device includes: a chip having a main surface; a device structure formed on the main surface; a metal electrode covering the main surface; and an inorganic insulating film covering the metal electrode. The inorganic insulating film has a first film thickness larger than a second film thickness of the metal electrode.
An electronic component includes an insulating layer that has a principal surface, a passive device that includes a low voltage pattern that is formed in the insulating layer and a high voltage pattern that is formed in the insulating layer such as to oppose the low voltage pattern in a normal direction to the principal surface and to which a voltage exceeding a voltage to be applied to the low voltage pattern is to be applied, and a shield conductor layer that is formed in the insulating layer such as to be positioned in a periphery of the high voltage pattern in plan view, shields an electric field formed between the low voltage pattern and the high voltage pattern, and suppresses electric field concentration with respect to the high voltage pattern.
A thermal print head includes a substrate, a first insulating film, and a second insulating film. The substrate has a first main surface and a second main surface opposite to the first main surface. A protruding portion protruding toward a side opposite to the second main surface is formed at the first main surface. A recessed portion is formed in a surface of the protruding portion. The first insulating film is disposed on the first main surface to cover the protruding portion. The second insulating film is disposed on the surface with the first insulating film interposed therebetween. A through hole is formed in a portion of the first insulating film that faces a bottom surface of the recessed portion with a space interposed therebetween.
B41J 2/345 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par l'application sélective de chaleur à un matériau d'impression ou de transfert d'impression sensibles à la chaleur utilisant des têtes thermiques caractérisées par l'agencement des résistances ou des conducteurs
This monitoring device monitors a comparison result between a first transfer amount, which is a transfer amount of data when data is read from a transfer source area of a memory under control of a direct memory access (DMA) control device, and a second transfer amount, which is a transfer amount of data when the data read from the transfer source area is written to a transfer destination area of the memory under control of the DMA control device.
G06F 13/28 - Gestion de demandes d'interconnexion ou de transfert pour l'accès au bus d'entrée/sortie utilisant le transfert par rafale, p. ex. acces direct à la mémoire, vol de cycle
51.
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
This semiconductor device includes: a chip formed of a wide bandgap semiconductor, the chip having a main surface in which a semiconductor region of a first conductive type is formed; a base impurity region of a second conductive type formed in a surface layer part of the semiconductor region; a first impurity region of the first conductive type formed in a surface layer part of the base impurity region; and a second impurity region of the second conductive type formed in the surface layer part of the base impurity region, the second impurity region of the second conductive type being adjacent to the first impurity region in a first direction. The base impurity region includes an exposure part which is a region exposed to the main surface, where the exposure part extends in a belt shape in the first direction so as to cross the base impurity region in the first direction, and divides the first impurity region in a second direction orthogonal to the first direction.
A gate driver circuit, which drives a switching circuit including a high-side transistor and a low-side transistor, includes: a bootstrap terminal connected to a capacitor; a high-side gate terminal connected to a gate of the high-side transistor; a low-side gate terminal connected to a gate of the low-side transistor; a switching terminal connected to an output of the switching circuit; a bootstrap switch connected to the bootstrap terminal; a high-side driver including power supply terminals connected to the terminals and generating a high-side gate voltage in response to a high-side control signal; a low-side driver which generates a low-side gate voltage in response to a low-side control signal; a sensor which asserts a detection signal when the high-side transistor or the low-side transistor is electrically changed; and a control circuit which generates the high-side and low-side control signals and turns on the bootstrap switch in response to the detection signal.
H03K 17/687 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ
H02P 27/06 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs
An insulated switch includes: a switch circuit connected between a first node and a second node and configured to be turned on and off by a switch drive signal; a pulse generation circuit configured to generate a first drive pulse and a second drive pulse in different phases; a switch drive circuit configured to receive a third drive pulse and a fourth drive pulse to generate the switch drive signal; and a first insulation capacitor and a second insulation capacitor configured to transmit the first drive pulse and the second drive pulse as the third drive pulse and the fourth drive pulse, respectively, while insulating the pulse generation circuit and the switch drive circuit from each other.
H03K 17/689 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ avec une isolation galvanique entre le circuit de commande et le circuit de sortie
H03K 17/74 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de diodes
54.
SEMICONDUCTOR DEVICE, POWER SUPPLY SYSTEM, AND VEHICLE
A semiconductor device includes: a multi-channel power supply circuit; a first input terminal configured to receive an enable signal; and a controller configured to control a first power supply circuit included in the multi-channel power supply circuit to start up and shut down in accordance with the enable signal, and to control a second power supply circuit included in the multi-channel power supply circuit to maintain an output-on state after startup irrespective of the enable signal.
B60R 16/03 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique
A plurality of high-side driver units correspond to a plurality of high-side transistors. A first output sensor asserts a first output detection signal when an output voltage crosses a predetermined first threshold voltage. A timer circuit measures a timing of assertion of the first output detection signal. Each of the plurality of high-side driver units has an adjustable drive strength. A control circuit adjusts the drive strength of each of the high-side driver units such that the timings of assertion of the first output detection signal are aligned when each of the high-side driver units is operated individually.
H03K 17/687 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ
H02M 1/088 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques pour la commande simultanée de dispositifs à semi-conducteurs connectés en série ou en parallèle
H02P 27/00 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation
An input stage includes a differential pair and an active load. An output stage includes an output transistor that receives an output signal of the input stage. A phase-compensation circuit supplies a feedback current to the active load in accordance with an output voltage. An offset-cancellation circuit supplies a correction current to the active load in accordance with an input voltage of an operational amplifier.
G05F 1/56 - Régulation de la tension ou de l'intensité là où la variable effectivement régulée par le dispositif de réglage final est du type continu utilisant des dispositifs à semi-conducteurs en série avec la charge comme dispositifs de réglage final
57.
ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING ELECTRONIC DEVICE
An electronic device includes a first member with a first obverse surface, an electronic element on the first member, a connecting member connected to the electronic element, a second member with a second reverse surface, and a sealing resin covering the first member, the second member, the electronic element, and the connecting member. The second member includes a terminal portion and a connecting portion connected to the connecting member. The first obverse surface includes a first flat portion and a first projecting portion. The first projecting portion projects to the first side in the thickness direction relative to the first flat portion. The second reverse surface includes a second flat portion and a second projecting portion. The second projecting portion projects to the second side in the thickness direction relative to the second flat portion.
A semiconductor device includes at least one terminal, and the terminal includes a cylindrical holder having electrical conductivity and a metal pin inserted in the holder. The semiconductor device further includes a terminal support supporting the holder, and a sealing resin covering a part of the holder and covering the terminal support. The sealing resin includes a resin obverse surface facing a first side in a thickness direction. The holder includes a first surface located at one end on the first side in the thickness direction and a first outer side surface extending in the thickness direction. The first surface is located at a position different from the resin obverse surface in the thickness direction. The first outer side surface is in contact with the sealing resin. The metal pin protrudes beyond the resin obverse surface toward the first side in the thickness direction.
A semiconductor device includes a plurality of semiconductor elements, each of which has a first electrode, a second electrode, and a third electrode, and is subjected to an ON-OFF control between the first electrode and the second electrode in accordance with a driving signal input to the third electrode. Further, the semiconductor device includes a control terminal to which the driving signal is input, a first wiring portion to which the control terminal is connected, a second wiring portion separated from the first wiring portion, a first connection member to conduct the first wiring portion and the second wiring portion, and a second connection member to conduct the second wiring portion and the third electrode of one of the plurality of semiconductor elements. The respective first electrodes of the plurality of semiconductor elements are electrically connected to one another, and respective second electrodes of the plurality of semiconductor elements are electrically connected to one another.
A controller circuit of a DC/DC converter, which generates an output voltage according to an input voltage, includes: a pulse width modulation (PWM) comparator configured to compare a periodic ramp voltage with a comparison voltage; and a voltage supply circuit configured to supply an initial voltage of the comparison voltage to the PWM comparator, wherein the initial voltage is a voltage corresponding to a ratio between the input voltage and the output voltage.
H02M 3/158 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs avec commande automatique de la tension ou du courant de sortie, p. ex. régulateurs à commutation comprenant plusieurs dispositifs à semi-conducteurs comme dispositifs de commande finale pour une charge unique
H02M 1/00 - Détails d'appareils pour transformation
A semiconductor device includes: a first lead having a first surface facing one side in a thickness direction; a semiconductor element mounted on the first surface and including a plurality of electrodes; one or more second leads electrically connected to the semiconductor element; a sealing resin configured to cover the semiconductor element and at least a portion of each of the first lead and the one or more second leads; one or more conductors; first wires connected to the electrodes and the conductors; and second wires connected to the second leads, wherein a conductive path between the electrodes and the second leads includes the first wires, the conductors, and the second wires.
Disclosed herein is a semiconductor device including a plurality of first external terminals configured such that a voltage signal as a detection target is applicable thereto, a first amplifier or a first comparator, a plurality of first internal wires each having a first end connected to a respective one of the plurality of first external terminals, a second internal wire having a first end connected to a first input terminal of the first amplifier or the first comparator, and a first switch configured to select one second end to be connected to a second end of the second internal wire from among the second ends of the plurality of first internal wires.
A video freeze detection circuit has a frame memory that stores and outputs video data constituted of a plurality of consecutive data pieces. The video freeze detection circuit includes a bit substitution circuit that receives the video data, substitutes data values of particular bits of the plurality of data pieces with “0” and “1” alternately for each frame to which the data piece belongs, and then supplies the video data to the frame memory so that the plurality of data pieces are stored therein. The video freeze detection circuit further includes a data holding unit that holds data of the particular bits of the video data outputted from the frame memory, and a comparison unit compares a data value of the particular bit in the video data for one frame outputted from the frame memory with a data value of the particular bit held in the data holding unit.
Provided is an abnormality detecting method using a computing device, one cluster of data in a case where data is sequentially supplied to a machine learning model being referred to as a chunk. The abnormality detecting method includes obtaining a learning result by performing unsupervised learning by the machine learning model with a predetermined chunk width on a basis of first data, obtaining an inference result by performing inference by the machine learning model with the chunk width on a basis of second data and the learning result, and calculating an interval abnormality degree for each interval obtained by dividing the chunk width into a plurality of intervals on a basis of the second data and the inference result.
A voltage control circuit includes a voltage-controlled oscillator including an odd number of inverter elements connected in a loop. Each inverter element operates by an operating current corresponding to a control voltage. The voltage-controlled oscillator outputs an output from one of the odd number of inverter elements as the oscillation signal. The voltage control circuit further includes a threshold detection circuit including a first transistor in a diode connection, and a first resistor having a first end connected to a drain of the first transistor and a second end that has applied thereto a prescribed voltage. The threshold detection circuit detects a voltage of the drain of the first transistor as a threshold voltage of the first transistor. The voltage-controlled oscillator includes an operating current adjustment circuit that adjusts the operating current up or down if the threshold voltage is outside of a prescribed allowable voltage range.
H03L 7/099 - Détails de la boucle verrouillée en phase concernant principalement l'oscillateur commandé de la boucle
H03L 7/085 - Détails de la boucle verrouillée en phase concernant principalement l'agencement de détection de phase ou de fréquence, y compris le filtrage ou l'amplification de son signal de sortie
An input stage includes a differential pair and an active load. An output stage includes an output transistor coupled to receive an output signal of the input stage. An output variation detection circuit is connected to an output terminal of an operational amplifier and generates a first current corresponding to an output voltage generated at the output terminal. A phase compensation circuit supplies, to the output terminal, a second current corresponding to a gate voltage of the output transistor, and supplies, to the active load, a third current corresponding to the second current.
G05F 1/56 - Régulation de la tension ou de l'intensité là où la variable effectivement régulée par le dispositif de réglage final est du type continu utilisant des dispositifs à semi-conducteurs en série avec la charge comme dispositifs de réglage final
A terahertz device includes: a support substrate; a terahertz element that is mounted to the support substrate and that emits an electromagnetic wave in a terahertz band; and a reflection body that is disposed on the opposite side to an element rear surface with respect to an element main surface in a z direction and at an interval in the z direction from the element main surface and that has a reflection surface for reflecting, in a direction crossing the z direction, an electromagnetic wave emitted in the z direction by the terahertz element.
H01Q 19/13 - Combinaisons d'éléments actifs primaires d'antennes avec des dispositifs secondaires, p. ex. avec des dispositifs quasi optiques, pour donner à une antenne une caractéristique directionnelle désirée utilisant des surfaces réfléchissantes où les surfaces sont concaves la source rayonnante primaire étant un élément rayonnant unique, p. ex. un dipôle, une fente, une terminaison de guide d'onde
H01Q 19/15 - Combinaisons d'éléments actifs primaires d'antennes avec des dispositifs secondaires, p. ex. avec des dispositifs quasi optiques, pour donner à une antenne une caractéristique directionnelle désirée utilisant des surfaces réfléchissantes où les surfaces sont concaves la source rayonnante primaire étant une source linéaire, p. ex. une antenne à ondes de fuite
H03B 7/08 - Production d'oscillations au moyen d'un élément actif ayant une résistance négative entre deux de ses électrodes avec un élément déterminant la fréquence comportant des inductances et des capacités localisées l'élément actif étant un dispositif à semi-conducteurs l'élément actif étant une diode tunnel
A package for a gas sensor has: a substrate on which a semiconductor chip is mounted; and a side surface section and an upper surface section that are integrated. The side surface section includes a first side surface section and a second side surface section that are disposed so as to face each other with a gap therebetween in one direction. The first side surface section is positioned on the upstream side with respect to the flow of a gas, and the second side surface section is positioned on the downstream side. A slit-like first opening is formed at a corner section where the first side surface section and the upper surface section are connected. A slit-like second opening is formed in the upper surface section.
G01N 27/18 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la résistance d'un corps chauffé électriquement dépendant de variations de température produite par des variations de la conductivité thermique d'un matériau de l'espace environnant à tester
This terahertz device (A1) comprises a terahertz element (20), a support substrate (30), and a waveguide (10). The terahertz element (20) is configured to emit terahertz waves from an oscillation point (P1) on a first element surface (21). The waveguide (10) has a transmission region (18) for transmitting terahertz waves. The support substrate (30) supports the terahertz element (20) and includes a disposition region (37) disposed in the transmission region (18). The terahertz element (20) is disposed in the waveguide (10) such that the oscillation point (P1) is located in the disposition region (37). The transmission region (18) includes a first opening (11A) communicating with the outside of the waveguide (10), a first transmission region (18A) extending from the first element surface (21) toward the first opening (11A), a second opening (12A) communicating with the outside of the waveguide (10), and a second transmission region (18B) extending from the first element surface (21) toward the second opening (12A).
H01P 5/08 - Dispositifs de couplage du type guide d'ondes destinés au couplage de lignes ou de dispositifs de différentes sortes
H03B 7/14 - Production d'oscillations au moyen d'un élément actif ayant une résistance négative entre deux de ses électrodes avec un élément déterminant la fréquence comportant des inductances et des capacités réparties l'élément actif étant un dispositif à semi-conducteurs
This semiconductor device includes: an SiC substrate; an SiC epitaxial layer of a first conductivity type laminated on the SiC substrate; a vertical element structure which is formed in a surface layer part of a main surface of the SiC epitaxial layer and in which a current flows in a vertical direction that is a lamination direction of the SiC substrate and the SiC epitaxial layer; a diode formed by a junction between a first impurity region of a second conductivity type which is a part of the element structure and the SiC epitaxial layer; and a first carrier inhibition part formed in the surface layer part of the main surface of the SiC epitaxial layer and composed of crystal defects formed by a distribution of carrier lifetime killers. The first carrier inhibition part is selectively distributed in a partial region of the SiC epitaxial layer.
A semiconductor device includes a base impurity region of a second conductivity type formed in a surface layer portion of a semiconductor region of a first conductivity type and having a band shape that is long in a first direction, a first impurity region formed in a surface layer portion of the base impurity region, a gate electrode formed in a band shape that is long in the first direction and facing a channel region of the base impurity region via a gate insulating film, a Schottky region formed by a portion of the semiconductor region and dividing the base impurity region into a plurality of unit cells in a second direction intersecting the first direction, and a principal surface electrode that is in Schottky junction with the Schottky region.
H10D 84/00 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si
A semiconductor device includes a semiconductor element including a surface electrode formed on the element surface thereof. The element surface includes an active region in which power transistors are formed, and a control circuit region in which a control circuit for controlling the power transistors is formed. The active region is formed so as to surround the control circuit region from both sides in a second direction and one side in a first direction. The surface electrode is disposed on the active region at a position different from the control circuit region, and is formed so as to surround the control circuit region from both sides in the second direction and one side in the first direction when viewed from the thickness direction thereof.
A semiconductor device includes a first terminal, a second terminal, a third terminal, a fourth terminal, a first lead, a second lead, a semiconductor element, and a sealing resin. A dimension of a first exposed surface of the first lead is greater than a dimension of a first mounting surface of the first terminal. A dimension of a second exposed surface of the second lead is greater than a dimension of a second mounting surface of the second terminal. As viewed in a third direction that is the normal to the bottom surface of the sealing resin, a first end of the first exposed surface and a third end of the second exposed surface are positioned inward of a perimeter of the sealing resin. As viewed in the third direction, a fourth end of the second exposed surface overlaps with the perimeter of the sealing resin.
An electronic device which can suppress peeling off and damaging of the bonding material is provided. The electronic device includes an electronic component, a mounting portion, and a bonding material. The electronic component has an element front surface and an element back surface separated in the z-direction. The mounting portion has a mounting surface opposed to the element back surface on which the electronic component is mounted. The bonding material bonds the electronic component to the mounting portion. The bonding material includes a base portion and a fillet portion. The base portion is held between the electronic component and the mounting portion in the z-direction. The fillet portion is connected to the base portion and is formed outside the electronic component when seen in the z-direction. The electronic component includes two element lateral surface and ridges. The ridges are intersections of the two element lateral surface and extend in the z-direction. The fillet portion includes a ridge cover portion which covers at least a part of the ridges.
In the present invention, a plurality of trenches are recessed from a first substrate surface toward a second substrate surface. A dielectric layer covers the first substrate surface and the inner surfaces of the plurality of trenches. A first conductive layer is provided on the dielectric layer. A first external electrode is provided so as to cover a portion of the first conductive layer. A second external electrode is disposed apart from the first external electrode when viewed from the Z-axis direction, and is in contact with the first substrate surface. A second conductive layer is provided on the second substrate surface. The dielectric layer includes a plurality of inner surface dielectric layers provided on the inner surfaces of the plurality of trenches. The first conductive layer includes a plurality of internal electrodes provided so as to fill at least a part of an internal region surrounded by the plurality of inner surface dielectric layers. A semiconductor substrate and the plurality of internal electrodes face each other with the plurality of inner surface dielectric layers interposed therebetween, and thereby constitute a capacitor.
This insulation module is provided with: a first conductor and a second conductor, which are buried in an insulating layer so as to face each other at a distance in the thickness direction of the insulating layer; a first electrode which is connected to the first conductor; a second electrode which is connected to the second conductor, while being arranged at a position that is away from the first electrode when viewed from the thickness direction of the insulating layer; a passivation layer which is formed on the surface of the insulating layer; a low dielectric constant layer which is formed on the surface of the passivation layer, and has a lower dielectric constant than the passivation layer; and a mold resin which covers the low dielectric constant layer.
H10D 86/85 - Dispositifs intégrés formés dans ou sur des substrats isolants ou conducteurs, p. ex. formés dans des substrats de silicium sur isolant [SOI] ou sur des substrats en acier inoxydable ou en verre caractérisés par de multiples composants passifs, p. ex. des résistances, des condensateurs ou des inducteurs caractérisés par des composants passifs uniquement
An electronic device includes: a substrate with obverse and reverse surfaces spaced apart in a thickness direction; an electronic element having an obverse surface formed with a first obverse surface electrode; a wiring portion on the substrate obverse surface and configured to transmit a control signal for the electronic element; a conduction member with obverse and reverse surfaces spaced apart in the thickness direction, where the reverse surface is joined to the wiring portion; a conductive first lead on the substrate obverse surface; and a first connecting member joined to the obverse surface of the conduction member and the first obverse surface electrode. The first lead includes a first pad portion spaced apart from the wiring portion and to which the electronic element is joined. The wiring portion and the first obverse surface electrode are electrically connected to each other via the conduction member and the first connecting member.
A semiconductor device includes a support, a first semiconductor element supported on the support, and a first bonding sheet interposed between the support and the first semiconductor element. The first bonding sheet includes a first portion and a second portion. The first portion includes a part that overlaps with the first semiconductor element as viewed in the thickness direction of the support. The second portion includes a part that does not overlap with the first semiconductor element as viewed in the thickness direction. The second portion is smaller in thickness in the thickness direction than the first portion.
H10D 80/20 - Ensembles de plusieurs dispositifs comprenant au moins un dispositif couvert par la présente sous-classe l’au moins un dispositif étant couvert par les groupes , p. ex des ensembles comprenant des condensateurs, des transistors FET de puissance ou des diodes Schottky
A method for manufacturing a semiconductor device includes a first step, a second step third step, and a fourth step. In the third step, a pad portion is exposed from a bottom surface of a sealing resin. In the third step, a dimension of the sealing resin in a first direction extending from the bottom surface to a second surface of a first support portion is made smaller than a dimension of the sealing resin in the first direction extending from a top surface of the sealing resin to a first surface of the first support portion. In the fourth step, the first support portion is cut by applying a compressive force to the top surface while the second surface is supported by a supporting member. In the fourth step, a first end surface, which faces one side in a second direction and is exposed from the sealing resin, is formed in the first support portion.
A semiconductor device includes a first lead, a semiconductor element, and a sealing resin. The first lead includes a pad portion and a first support part. The first support part has a first surface, a second surface, and a first end surface. The pad portion is exposed from the bottom surface of the sealing resin. The dimension of the sealing resin in the first direction from the bottom surface to the second surface is smaller than the dimension of the sealing resin in the first direction from the top surface to the first surface. The dimension of the second surface in the second direction is at least 50% of a dimension in the second direction of a region of the bottom surface that is adjacent, on one side in the second direction, to the pad portion and overlaps with the second surface as viewed in the first direction.
A semiconductor device includes a CPU, a cache memory, and multiple memories. Each of the multiple memories is switchable between being connected to the CPU through the cache memory and being connected to the CPU without going through the cache memory.
A method for manufacturing an SiC semiconductor device includes a step of setting, on a main surface of an SiC wafer, a scheduled cutting line that demarcates a plurality of chip regions including a first chip region in which a functional device is formed and a second chip region in which a monitor pattern for performing process control of the first chip region is formed, a step of forming, on the main surface, a plurality of main surface electrodes respectively covering the chip regions such as to expose the scheduled cutting line and respectively forming a portion of the functional device and a portion of the monitor pattern, a step of irradiating laser light to the scheduled cutting line and forming a modified region, and a step of cleaving the SiC wafer with the modified region as a starting point.
H10D 62/832 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe IV, p. ex. Si dopé B ou Ge non dopé étant des matériaux du groupe IV comprenant deux éléments ou plus, p. ex. SiGe
A monitoring circuit includes first and second oscillators, first and second frequency dividers, first and second counters, a determination portion, and an identification portion. The first and second frequency dividers respectively divide frequencies of first and second clock signals outputted from the first and second oscillators, respectively. The first and second counters respectively count the numbers of clocks of the second and first clock signals at first and second numbers of periods of first and second frequency-divided signals outputted from the first and second frequency dividers, respectively. The determination portion determines, based on results of counting by the first and second counters, whether or not an abnormality has occurred in either of the first and second clock signals. The identification portion identifies, at the occurrence of an abnormality in either of the first and second clock signals, which of the first and second clock signals is in an abnormal state.
G01R 31/28 - Test de circuits électroniques, p. ex. à l'aide d'un traceur de signaux
G01R 31/00 - Dispositions pour tester les propriétés électriquesDispositions pour la localisation des pannes électriquesDispositions pour tests électriques caractérisées par ce qui est testé, non prévues ailleurs
G06F 1/06 - Générateurs d'horloge produisant plusieurs signaux d'horloge
A pressure sensor, including: a substrate having first and second main surfaces opposite to each other; a first chamber recessed from the first main surface into the substrate; a second chamber recessed from the first main surface into the substrate and adjacent to the first chamber in a lateral direction orthogonal to a thickness direction; a fluid passage recessed from the first main surface into the substrate and configured to place the first chamber in fluid communication with an outside; a cover structure disposed on the first main surface and closing openings of at least the first chamber and the second chamber at the first main surface; and at least one membrane partitioned by the first chamber and the second chamber in the substrate between the first chamber and the second chamber in the lateral direction, the at least one membrane extending in a plane that includes the thickness direction.
G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pressionTransmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
A semiconductor device is manufactured which includes a SiC epitaxial layer, a plurality of transistor cells that are formed in the SiC epitaxial layer and that are subjected to ON/OFF control by a predetermined control voltage, a gate electrode that faces a channel region of the transistor cells in which a channel is formed when the semiconductor device is in an ON state, a gate metal that is exposed at the topmost surface for electrical connection with the outside and that is electrically connected to the gate electrode while being physically separated from the gate electrode, and a built-in resistor that is made of polysilicon and that is disposed below the gate metal so as to electrically connect the gate metal and the gate electrode together.
H10D 84/90 - Circuits intégrés à tranches maîtresses
H10D 12/00 - Dispositifs bipolaires contrôlés par effet de champ, p. ex. transistors bipolaires à grille isolée [IGBT]
H10D 30/60 - Transistors à effet de champ à grille isolée [IGFET]
H10D 30/66 - Transistors FET DMOS verticaux [VDMOS]
H10D 62/10 - Formes, dimensions relatives ou dispositions des régions des corps semi-conducteursFormes des corps semi-conducteurs
H10D 62/17 - Régions semi-conductrices connectées à des électrodes ne transportant pas de courant à redresser, amplifier ou commuter, p. ex. régions de canal
H10D 62/832 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe IV, p. ex. Si dopé B ou Ge non dopé étant des matériaux du groupe IV comprenant deux éléments ou plus, p. ex. SiGe
H10D 64/27 - Électrodes ne transportant pas le courant à redresser, à amplifier, à faire osciller ou à commuter, p. ex. grilles
H10D 84/00 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si
The power module semiconductor device (2) includes: an insulating substrate (10); a first pattern (10a) (D) disposed on the insulating substrate (10); a semiconductor chip (Q) disposed on the first pattern; a power terminal (ST, DT) and a signal terminal (CS, G, SS) electrically connected to the semiconductor chip; and a resin layer (12) configured to cover the semiconductor chip and the insulating substrate. The signal terminal is disposed so as to be extended in a vertical direction with respect to a main surface of the insulating substrate.
H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
A semiconductor laser element includes an element body which outputs laser light from a first end surface. The element body includes a first recessed part, and a second recessed part. The first recessed part includes a first inner surface that faces the same side as a first side surface, and first connection surface that connects the first inner surface and the first side surface. The second recessed part includes a second inner surface that faces the same side as a second side surface, and a second connection surface that connects the second inner surface and the second side surface. The first connection surface and the second connection surface each include an inclined surface which is inclined with respect to an element front surface at an angle differing from the that of first side surface and that of the second side surface.
A semiconductor device includes a chip that has a main surface, a body region that is formed in a surface layer portion of the main surface, gate electrodes that are arranged on both sides of the body region on the main surface, and a connection electrode that is formed in a region between the gate electrodes on the main surface so as to overlap the body region in a thickness direction.
H10D 30/66 - Transistors FET DMOS verticaux [VDMOS]
H10D 62/10 - Formes, dimensions relatives ou dispositions des régions des corps semi-conducteursFormes des corps semi-conducteurs
H10D 62/832 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe IV, p. ex. Si dopé B ou Ge non dopé étant des matériaux du groupe IV comprenant deux éléments ou plus, p. ex. SiGe
The power conversion device includes a first semiconductor module, a second semiconductor module, a third semiconductor module, and a capacitor module. As viewed in a z direction, the first center line of the first semiconductor module, the second center line of the second semiconductor module, and the third center line of the third semiconductor module intersect the capacitor body. The first angle formed by the first center line and the second center line and the second angle formed by the second center line and the third center line are equal to each other. The lengths of the first busbar, the second busbar and the third busbar are equal to each other.
H02M 7/537 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur
H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
In an ion implantation processing system including an ion implantation device, the ion implantation device acquires, from a server, off-angle data of a wafer that is an ion implantation processing target and controls an ion implantation angle with respect to the wafer based on the off-angle data.
An electrostatic protection circuit includes: a first protection element configured with an anode connected to a first pad; a second protection element configured with a cathode connected to the first pad; a third protection element configured with a cathode connected to a cathode of the first protection element and an anode connected to a reference potential terminal; and a fourth protection element configured with an anode connected to an anode of the second protection element and a cathode connected to the reference potential terminal.
This semiconductor device comprises a substrate, a first semiconductor element, a heat dissipation member, and a bonding layer. The first semiconductor element is mounted on one side of the substrate in a first direction thereof. The heat dissipation member is positioned, with reference to the substrate, on the side opposite the first semiconductor element. The bonding layer bonds the heat dissipation member and the substrate. The heat dissipation member and the bonding layer each contain metal. The bonding layer has: a first bonding surface facing the heat dissipation member; and an end surface facing a direction orthogonal to the first direction. The bonding layer is provided with an opening that opens from the first bonding surface and/or the end surface.
A semiconductor device includes a semiconductor substrate, an insulating layer provided on the semiconductor substrate, a first high resistance unit embedded in the insulating layer and disposed so as to surround a first electrode in a plan view, a second high resistance unit embedded in the insulating layer and disposed so as to surround a second electrode in a plan view, and low resistance units for voltage detection that are electrically connected to the first high resistance unit and the second high resistance unit, and have lower resistances than the first high resistance unit and the second high resistance unit.
H10D 84/00 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si
H10D 1/47 - Résistances n’ayant pas de barrières de potentiel
94.
SIGNAL TRANSMISSION DEVICE, ELECTRONIC DEVICE, AND VEHICLE
A signal transmission device includes a transmission circuit, a reception circuit, and an isolating element that transmits a pulse signal between the transmission circuit and the reception circuit while isolating between them. The transmission circuit includes an input terminal that receives an analogue signal, a comparison circuit that compares the analogue signal with each of a plurality of threshold values to generate a plurality of comparison signals, and a pulse signal generation circuit that generates the pulse signal according to the plurality of comparison signals.
In a power module, multiple second power semiconductor elements are arranged on the second mount layer in one direction. Corresponding to the second power semiconductor elements, multiple second control-side connection members and multiple second drive-side connection members are arranged. A third conductive path is a path between a control electrode of the second power semiconductor element and a second control terminal, and a fourth conductive path is a path between a second drive electrode of the second power semiconductor element and a second detection terminal. At least one of a second control layer and a second drive layer includes a second detour portion that detours to reduce a difference between the multiple second power semiconductor elements in a sum of a length of the third conductive path and a length of the fourth conductive path.
A method for manufacturing a semiconductor device including a base material bonded to the heat dissipating member is configured to more reliably retain the shape of a sealing resin. The method includes a first process, a second process, and a third process. The first process includes bonding a base material to a heat dissipating member, where the base material includes an insulating layer and a conductive layer positioned on a first side in a first direction relative to the insulating layer. The second process includes bonding a semiconductor element to the conductive layer. The third process includes forming the sealing resin that covers the semiconductor element. In the first process, the base material is bonded to the heat dissipating member with the insulating layer positioned between the heat dissipating member and the conductive layer. The third process is performed after completion of each of the first process and the second process.
Provided is a semiconductor element including a semiconductor substrate; a semiconductor layer laminated to the semiconductor substrate, and having a circuit formed within the semiconductor layer; a conductive layer disposed on an opposite side of the semiconductor layer from the semiconductor substrate and including a part electrically connected to the circuit; and a conductive portion disposed between the semiconductor layer and the conductive layer, and electrically connected to the conductive layer. The conductive layer includes a check pattern not electrically connected to the circuit, and the conductive portion includes a superimposition portion superimposed on the check pattern as viewed in a thickness direction of the semiconductor substrate.
A semiconductor light-emitting device includes: a substrate; front-surface electrodes; back-surface electrodes; a semiconductor light-emitting element; a first drive circuit; and a second drive circuit. The substrate includes a substrate front surface, and a substrate back surface. The front-surface electrodes are formed on the substrate front surface. The back-surface electrodes are formed on the substrate back surface and configured for mounting the semiconductor light-emitting device. The semiconductor light-emitting element includes a first light emitter and a second light emitter. The first drive circuit is configured to drive the first light emitter. The second drive circuit is configured to drive the second light emitter. The semiconductor light-emitting element, the first drive circuit, and the second drive circuit are mounted on the front-surface electrodes.
H01S 5/062 - Dispositions pour commander les paramètres de sortie du laser, p. ex. en agissant sur le milieu actif en faisant varier le potentiel des électrodes
H01S 5/40 - Agencement de plusieurs lasers à semi-conducteurs, non prévu dans les groupes
100.
SEMICONDUCTOR DEVICE, SWITCHING POWER SUPPLY, AND LIGHTING DEVICE
A semiconductor device includes: a control terminal configured to receive an electrical input; multiple LED current detection terminals; a current detection signal generator configured to generate a current detection signal from current information obtained via the multiple LED current detection terminals; a voltage detection signal generator configured to generate a voltage detection signal according to an LED driving voltage; a switching element; a driver configured to drive the switching element; and a controller configured to control the driver, in which the controller is configured to control the driver by switching between a constant current operation and a constant voltage operation based on a comparison result between the voltage level of the control terminal and a predetermined threshold level.
H05B 45/34 - Stabilisation de la tensionMaintien d'une tension constante
H05B 45/345 - Stabilisation du courantMaintien d'un courant constant
H05B 45/50 - Circuits pour faire fonctionner des diodes électroluminescentes [LED] réagissant aux dysfonctionnements des LED ou à un comportement indésirable des LEDCircuits pour faire fonctionner des diodes électroluminescentes [LED] sensibles à la vie des LEDCircuits de protection