A method for producing a foldable glass article (1) is provided, the glass article (1) having a strip shaped section (3) with a reduced average thickness compared to adjacent sections (5, 7) so that the stiffness of the strip shaped section (3) is reduced due to the reduced average thickness so that the glass article (1) can be folded about the strip shaped section (3) without breaking, the method comprising shaping the glass (10) of a glass sheet (2) in a hot-forming step by distributing the softened glass so that the glass thickness is reduced along the strip shaped section (3).
G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
C03C 23/00 - Other surface treatment of glass not in the form of fibres or filaments
C08L 101/00 - Compositions of unspecified macromolecular compounds
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
A flat glass element (5) for a carrier (1) of an electronic display (3) has two opposing side faces (50, 51). The glass of the glass element (5) has a varying bending stiffness along at least one line across the glass element (5). The varying bending stiffness is provided by at least one first section (7) having a reduced bending stiffness with respect to the bending stiffness of second sections (6, 8) adjoining at least one first section (7), so that the glass element (5) is bendable at the first section (7). The reduced stiffness of the first section (7) is achieved by a stiffness reducing patterning (70) comprising an arrangement of openings (19), and the edge (9) of the glass element (5) is recessed inwardly at the first section (7).
G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
A flat glass element (5) for a cover (1) of an electronic display (3) is provided, wherein the flat glass element (5) has two opposing side faces (50, 51), wherein the glass of the glass element (5) has a varying bending stiffness along at least one line across the glass element (5), the varying bending stiffness being provided by at least one first section (7) having a reduced bending stiffness with respect to the bending stiffness of second sections (6, 8) adjoining the at least one first section (7), so that the glass element (5) is bendable at the first section (7), the reduced stiffness of the first section (7) being achieved by a stiffness reducing patterning (70) comprising an arrangement of openings (19) and/or thinnings (20), and wherein the edge (9) of the glass element (5) is recessed inwardly at the first section (7).
G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
233-content. The glass articles include flat glass suitable for use in display devices, in particular foldable dis-play devices, such as for electronic devices, including smartphones, smart watches and tablet computers. A method of making glass articles is described as well.
C03C 3/076 - Glass compositions containing silica with 40% to 90% silica by weight
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/089 - Glass compositions containing silica with 40% to 90% silica by weight containing boron
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03B 27/03 - Tempering glass products using liquid the liquid being a molten metal or a molten salt
6.
ULTRATHIN GLASS WITH LOW PERIPHERY-TO-CENTER BREAKAGE RATIO
The present invention relates to a foldable glass article having a thickness of at most 200 μm and to a method of manufacturing the glass article. The glass article has a lower thickness in a peripheral region as compared to a center region. The glass article has a low periphery-to-cen-ter breakage ratio. In particular, in a 2-point-bending test more breakage origins stem from the center of the glass article than from its periphery. The invention also relates to the use of the glass article, in particular in consumer electronics such as foldable handheld devices including smartphones.
C03C 3/068 - Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
C03C 3/095 - Glass compositions containing silica with 40% to 90% silica by weight containing rare earths
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
8.
INFRARED CUT-OFF FILTER ARRANGEMENT FOR AN OPTICAL SENSING ARRANGEMENT FOR A CAMERA OR A CAMERA MODULE FOR AN AUTOMOTIVE APPLICATION AND/OR AN ELECTRONIC DEVICE AND METHOD FOR PRODUCING AN INFRARED CUT-OFF FILTER ARRANGEMENT
An optical sensing arrangement for a camera or a camera module for at least one of an automotive application and an electronic device, includes: an optical lens or a lens system; a sensor; and an infrared cut-off filter arrangement, which has a total thickness of less than 0.8 mm and which includes: at least one infrared cut-off filter element, which includes a first major surface and which includes or consists of a glass which includes copper oxide; and a first cover element, which is arranged in front of the first major surface of the at least one infrared cut-off filter element and which includes an ultra-thin glass.
A method for coating a substrate and a respectively coated substrate. The created coating is characterized by a crystalline and dense structure which is particularly suitable for applying further layers of coatings onto it. The method uses a plasma for curing the applied solution instead of a thermal curing and is, hence, faster, less energy consuming, and applicable to more temperature sensitive substrates.
B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
A carrier (1) for an electronic display (3), wherein the carrier (1) comprises a flat glass element (5) with two opposing side faces (50, 51), wherein the glass of the glass element (5) has a composition with an alkali oxide content of at least 1 weight percent, and wherein the glass element (5) has a varying bending stiffness along a line (40) across the glass element (5), with the bending stiffness being reduced at a position (42) along the line (40) with respect to the bending stiffness of two other positions (44, 46), wherein the position (42) with reduced bending stiffness is located along the line (40) between the two other positions (44, 46), so that the glass element (5) is bendable at the position with reduced bending stiffness about a bending axis (24) perpendicular to the line (40) across the glass element (5), and wherein both side faces (50, 51) are covered by a polymer layer (12, 14) bonded or fixed to the respective side face (50, 51) of the glass element (5).
G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
11.
ULTRATHIN GLASSES WITH HIGH EDGE IMPACT RESISTANCE
Chemically toughened glass articles are provided that include a first compressive stress region extending from a first surface, a second compressive stress region extending from a second surface, and a chamfer structure at an edge, which connects the first and second surfaces. The first compressive stress region has a first compressive stress of 100 to 2000 MPa and a first 60% depth (F60D). The second compressive stress region has a second compressive stress of from 100 to 2000 MPa and a second 60% depth (S60D). The chamfered structure has a first ratio of average chamfer height (Havg) to a total chamfer height variation (TCHV) that is at least 250 μm2.
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
C03C 17/32 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
12.
VERTICAL INTERCONNECT MICRO-COMPONENT AND METHOD FOR PRODUCING A VERTICAL INTERCONNECT MICRO-COMPONENT
The invention relates to a vertical interconnect micro-component adapted for radio frequency signal transmission, preferably for the use in three-dimensional integrated circuits, comprising: a glass substrate (10) with a first side (12) and a second side (14) opposite to the first side (12), at least one inner through connector (100) formed in the glass substrate (10), wherein the inner through connector (100) comprises an inner cavity (110) in the glass substrate (10) extending from the first side (12) to the second side (14) of the glass substrate (10), the inner cavity (110) being fully or partially filled with solid conductor material (120), and an outer through connector structure (200) formed in the glass substrate (10) and surrounding the at least one inner through connector (100), the outer through connector structure (200) comprising one or more outer cavities (210) in the glass substrate (10) extending from the first side (12) to the second side (14) of the glass substrate (10), the one or more outer cavities (210) each being fully or partially filled with solid conductor material (220).
H01L 21/768 - Applying interconnections to be used for carrying current between separate components within a device
H01L 27/12 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
13.
FLEXIBLE INORGANIC ELEMENT AND METHOD FOR ITS PRODUCTION
An element of an inorganic brittle material is provided having two opposed sides and a circumferential edge. The element has at least three sections that include a first section and two second sections. The second sections adjoin the first section so that the first section is between the second sections. The first section has an arrangement of openings and interconnectors so that the first section has a higher flexibility than the second sections. The arrangement of openings has at least one opening shaped as a fold with two limbs that intersect to form a vertex.
C03C 23/00 - Other surface treatment of glass not in the form of fibres or filaments
C03C 3/064 - Glass compositions containing silica with less than 40% silica by weight containing boron
C03C 3/066 - Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
C03C 3/078 - Glass compositions containing silica with 40% to 90% silica by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/089 - Glass compositions containing silica with 40% to 90% silica by weight containing boron
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 4/00 - Compositions for glass with special properties
C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
14.
METHOD FOR MANUFACTURING A GLASS WAFER OF HIGH QUALITY, GLASS WAFER, GLASS PART ELEMENT, STACK, AUGMENTED REALITY DEVICE AND USE
A method for manufacturing a glass wafer for augmented reality applications includes the steps of: providing the raw wafer; edge-grinding of the raw wafer; lapping the raw wafer; rough polishing the raw wafer; fine polishing the raw wafer to obtain an intermediate wafer; gluing the intermediate wafer on a flat carrier; performing single-side polishing of a first main side of the intermediate wafer; and performing single-side polishing of a second main side of the intermediate wafer.
B24B 9/08 - Machines or devices designed for grinding edges or bevels on work or for removing burrsAccessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
C03C 27/06 - Joining glass to glass by processes other than fusing
minmaxminmaxmax is at most 400μm, the total thickness variation of the glass element is in a range of from 10μm to 390μm, and the maximum local thickness variation of the glass element over a measuring path of 4mm is at most 69μm. Also provided is a method for producing the glass element and the stack assembly comprising the same.
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
C03B 27/03 - Tempering glass products using liquid the liquid being a molten metal or a molten salt
A glass article having a thickness of from 10 μm to 150 μm, comprising a first surface, a second surface and at least one edge, wherein the edge has a chamfer structure comprising three surfaces, a perpendicular surface,a primary connecting surface and a secondary connecting surface,wherein the chamfer structure has a profile such that a tangent line A to the primary connecting surface crosses a tangent line B to the first surface at a distance d1 from the tangent line C to the perpendicular surface, and a tangent line D to the secondary connecting surface crosses a tangent line E to the second surface at a distance d2 from the tangent line C to the perpendicular surface, wherein the chamfer structure is asymmetric such that d1≠d2. And a method of making the glass article.
C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03C 27/10 - Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
17.
INFRARED CUT-OFF FILTER ARRANGEMENT FOR AN OPTICAL SENSING ARRANGEMENT FOR A CAMERA OR A CAMERA MODULE FOR AN AUTOMOTIVE APPLICATION AND/OR AN ELECTRONIC DEVICE AND METHOD FOR PRODUCING AN INFRARED CUT-OFF FILTER ARRANGEMENT
The present invention relates to an optical sensing arrangement for a camera or a camera module for an automotive application and/or an electronic device. The optical sensing arrangement comprises an optical lens or lens system, a sensor for sensing optical signals within a specific spectrum of light, preferably the spectrum of visible light, and an infrared cut-off filter arrangement which comprises at least one infrared cut-off filter element and at least a first cover element, which is arranged in front of a first major surface of the infrared cut-off filter element such that the first cover element and infrared cut-off filter element are preferably arranged along an incident optical beam path of light propagating towards the sensor. The infrared cut-off filter element comprises or consists of CuO-containing glass and the cover element comprises ultra-thin glass. The infrared cut-off filter arrangement has a total thickness of less than 0.6 mm, preferably less than 0.22 mm. The invention also relates to a method for producing the infrared cut-off filter arrangement.
G03B 11/00 - Filters or other obturators specially adapted for photographic purposes
18.
PROCESS OF REGENERATING THE SALT BATH FOR TOUGHENING GLASS OR GLASS CERAMIC SUBSTRATES AND PROCESS OF TOUGHENING GLASS OR GLASS CERAMIC SUBSTRATES INCLUDING THE SAME
Process of regenerating a salt bath for toughening glass or glass ceramic substrates and process of toughening glass or glass ceramic substrates including the same. The process of regenerating the salt bath for toughening glass or glass ceramic substrates containing lithium includes the following step: S210: preparing zeolite in accordance to the amount of the salt bath to be regenerated; S220: conducting regeneration by immersing the zeolite into the salt bath, in which Li +in the salt bath are adsorbed by zeolite; and S230: removing the zeolite with the Li +adsorbed therein from the salt bath. After step S230, the Li + concentration in the salt bath is reduced by at least 19 %. Furthermore, the process can be conducted many times for the same salt bath.
The present invention relates to chemically toughened ultrathin glasses with high edge impact resistance. The invention also relates to methods of producing such glasses and to composites comprising such glasses. The invention also relates to use of such ultrathin glasses, in particu-lar as substrate or in a cover of a display, in fragile sensors, fingerprint sensor modules or thin film batteries, semiconductor packages or foldable displays.
A foldable cover article has a total thickness t≤300 μm, which is bendable to a minimum bending radius r≤20 mm without breakage and a pencil hardness HR≥HB. The foldable cover article includes a glass or glass-ceramic substrate with a thickness 5 μm≤t1≤150 μm and a polymer layer and/or a hard material coating with a total thickness 5 μm≤t2≤150 μm. For each 20 mm width of the foldable cover article, when the foldable cover article is broken upon bending along the direction perpendicular to the width, a number of projects with a longest linear extension L≥5 mm is less than 10 and/or a number of projects with a longest linear extension L<5 mm is less than 50.
C03C 17/28 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material
C03C 17/32 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 17/30 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
The present invention relates to a method for manufacturing a glass wafer of high quality, a glass wafer, which preferably can be or is manufactured by such a method, a glass part ele-ment, which preferably is or can be a part of such a glass wafer, and to a stack comprising two or more such glass part elements. The invention also relates to an augmented reality device comprising a respective glass wafer, glass part element and/or stack. The invention also relates to a use of a respective glass wafer, glass part element and/or stack in an augmented reality device.
The present invention relates to a chemically strengthened optical component comprising an optical glass, having a depth of layer (DoL) of 1.0 to 50.0 μm, wherein the optical glass has a refractive index nd of at least 1.65, preferably at least 1.70, and wherein the optically glass comprises at least 5 mol % of a total of Li2O, Na2O and K2O or a combination of two or more thereof. The invention furthermore relates to a method for preparing the chemically strengthened optical component and the use thereof.
A method for producing a structured glass disk is provided that includes the steps of: providing a glass disk having a thickness of at most 400 μm; directing and focusing a laser beam onto the glass disk such that the laser beam produces an elongated focus within the glass disk with an intensity sufficient to produce damage within the glass disk along the elongated focus; moving the laser beam and the glass disk relative to one another to insert damage zones along a ring-shaped path so that a workpiece is defined in the glass disk with the ring-shaped path encompassing the workpiece and with the workpiece remaining connected to the glass disc; exposing the glass disk to an etchant so that the etchant intrudes into the damage zones; and chemically toughening the glass disk with the workpiece.
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
C03C 17/32 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
C03B 33/02 - Cutting or splitting sheet glassApparatus or machines therefor
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
The present disclosure relates to bendable elements. The bendable elements can be used in display covers for electronic devices such as smart phones. The elements have reduced delayed elastic deformation or creep when released from the influence of persistent mechanical stresses, e.g. unfolded from a folded position. The present disclosure also relates to covers for color filters, filter printed electronics, sensors for touch control panels, fingerprint sensors, mobile electronic devices, bendable/foldable displays that include the bendable elements as substrates, or other applications where a combination of high chemical stability, temperature stability, low gas permeability, flexibility, high strength, low thickness and premium cosmetic appearance is necessary. Besides consumer and industrial electronics the present disclosure could also be used for protection applications in industrial production or metrology.
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
Bendable elements (1) can be used in display covers for electronic devices such as smart phones. The elements (1) have reduced delayed elastic deformation or creep when released from the influence of persistent mechanical stresses, e.g. unfolded from a folded position. Bendable elements (1) as substrates or covers for color filters, filter printed electronics, sensors for touch control panels, finger print sensors, mobile electronic devices, bendable/foldable displays, or other applications where a combination of high chemical stability, temperature stability, low gas permeability, flexibility, high strength, low thickness and premium cosmetic appearance is necessary. Besides consumer and industrial electronics, the elements could also be used for protection applications in industrial production or metrology.
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
26.
DRINKING IMPLEMENT WITH IMPROVED BREAKING STRENGTH AND MOUTH FEEL
A drinking implement includes a first end section with a first opening and a second end section with a second opening. A wall made of glass extends from the first opening to the second opening. At least one of the first end section or the second end section is designed as a specific end section having at least partially a ridge, an outer edge, and an inner edge. An outer transition angle and an inner transition angle both have absolute values of less than 90 degrees.
C03C 3/076 - Glass compositions containing silica with 40% to 90% silica by weight
C03C 3/078 - Glass compositions containing silica with 40% to 90% silica by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/089 - Glass compositions containing silica with 40% to 90% silica by weight containing boron
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 3/095 - Glass compositions containing silica with 40% to 90% silica by weight containing rare earths
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
C03C 3/11 - Glass compositions containing silica with 40% to 90% silica by weight containing halogen or nitrogen
C03C 3/112 - Glass compositions containing silica with 40% to 90% silica by weight containing halogen or nitrogen containing fluorine
C03C 3/115 - Glass compositions containing silica with 40% to 90% silica by weight containing halogen or nitrogen containing fluorine containing boron
C03C 3/118 - Glass compositions containing silica with 40% to 90% silica by weight containing halogen or nitrogen containing fluorine containing boron containing aluminium
Drinking implements are made of glass with antimicrobial function of high durability, as well as methods for producing the same, as well as to uses of the drinking implement. The antimicrobial function of that dinking implement is facilitated by metal ions, especially Ag +, Cu +, Cu 2+, Zn 2+, Sn 2+, Ti 4+ and combinations thereof, which are applied as a durable layer to the drinking implement.
OT is smaller than 300 MPa. A method of production of such a band-pass NIR filter includes depositing a band-pass NIR coating that has alternating layers of high refractive index material and low refractive index material on at least one side of the glass substrate to form a coated glass substrate. Such a band-pass NIR filter can be used in an infrared sensor for object recognition.
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/089 - Glass compositions containing silica with 40% to 90% silica by weight containing boron
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 3/095 - Glass compositions containing silica with 40% to 90% silica by weight containing rare earths
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
29.
Ultrathin glass ceramic article and method for producing an ultrathin glass ceramic article
An ultrathin glass-ceramic article is provided having an article thickness (t) of equal to or less than 0.3 mm and an outer surface followed towards the inside of the article by an outer layer and a central part. The glass-ceramic has a crystal phase and an amorphous phase and the outer layer includes the crystal phase. The article has a gradient structure or a layered structure.
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
C03C 10/00 - Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
30.
FOLDABLE COVER ARTICLE WITH REDUCED HAZARDOUS PROJECTS
A foldable cover article with a total thickness t ≤ 300 μm is described, which is bendable to a minimum bending radius r≤20 mm without breakage and a pencil hardness HR≥HB. And a foldable cover article comprises: a glass or glass-ceramic substrate with a thickness 5μm≤t1≤150μm; and a polymer layer and/or a coating with a total thickness 5μm≤t2≤150μm; wherein for each 20 mm width of the foldable cover article, when the foldable cover article is broken upon bending along the direction perpendicular to the width, a) the number of projects with a longest linear extension L≥5 mm is less than 10; and/or b) the number of projects with a longest linear extension L<5 mm is less than 50. A use of the foldable cover article in the application so substrate or cover of a display, fragile sensors, fingerprint sensor module or thin film battery, semiconductor package, or foldable display is also described.
A CuO-containing glass has a refractive index n of at least 1.7, a minimum absorption coefficient in a visible wavelength range from 380 nm to 780 nm is located between 450 nm and 550 nm, a difference of the absorption coefficient normalized to CuO weight percent at a wavelength of 700 nm and the minimum absorption coefficient normalized to CuO weight percent in the visible wavelength range from 380 nm to 780 nm is at least 10/cm. The glass includes the following components (in % by weight based on oxide): 0-70 wt-% La2O3, 0-70 wt-% Y2O3; 20-70 wt-% a sum of La2O3+Y2O3+RE2O3; 10-40 wt-% B2O3; 0-40 wt-% SiO2; 0-10 wt-% Nb2O5; 0-30 wt-% ZnO; 0-20 wt-% ZrO2; 0-20 wt-% Ta2O5and 0.1-10 wt-% CuO. RE2O3 includes Ce2O3, Pr2O3, Nd2O3, Sm2O3, Eu2O3, Gd2O3, Tb2O3, Dy2O3, Ho2O3, Er2O3, Tm2O3, Yb2O3, Lu2O3 and mixtures of two or more thereof.
A method for chemical toughening a thin glass article with a thickness of at most 0.07 mm is provided. The method includes immersing the glass article into a bath of molten salt having a certain toughening temperature for a certain toughening time to form a toughened glass article; lifting the toughened glass article out of the bath of molten salt; post-toughening dwelling the toughened glass article for a certain dwelling time at a dwelling temperature that is higher than a melting point of the bath of molten salt and lower than a transition temperature (Tg) of the toughened glass article; and cooling and cleaning the toughened glass article.
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03C 3/078 - Glass compositions containing silica with 40% to 90% silica by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 4/18 - Compositions for glass with special properties for ion-sensitive glass
33.
Ultrathin glass with special chamfer shape and high strength
A chemically toughened glass article is provided that has a thickness (t) of equal to or less than 0.4 mm, a first surface, a second surface, and a compressive stress region that is defined by a compressive stress (CS) of at least 100 MPa and at least one edge connecting the first surface and the second surface. The at least one edge has at least one chamfer with a chamfer width (A) and a chamfer height (B). The chamfer has a ratio of chamfer width/chamfer height (A/B) of between 1.5-20 and the chamfer has a ratio of chamfer width/glass thickness (A/t) of at least 0.5.
A micro-optical element is provided that includes a glass substrate, a microstructure layer, and a bonding strength between the glass substrate and microstructure layer. The glass substrate has a thickness of less than or equal to 1500 μm and exhibits a glue contact angle of less than 45°. The microstructure layer is formed from polymer imprinted on the glass substrate. The bonding strength is larger than 0.5 MPa.
C03C 3/078 - Glass compositions containing silica with 40% to 90% silica by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
C03C 3/108 - Glass compositions containing silica with 40% to 90% silica by weight containing lead containing boron
C03C 17/32 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
C03C 19/00 - Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
An ultrathin chemically toughened and subsequently etched glass article is provided. The article has a thickness of less than or equal to 0.4 mm and a breakage height (given in mm) of more than 200 multiplied by the thickness (t given in mm)). Further, the article has a breakage bending radius (given in mm) of less than 100000 multiplied by the thickness (t given in mm) and divided by a surface compressive stress (in MPa) measured at a first surface.
C03C 3/118 - Glass compositions containing silica with 40% to 90% silica by weight containing halogen or nitrogen containing fluorine containing boron containing aluminium
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
C03C 4/18 - Compositions for glass with special properties for ion-sensitive glass
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/112 - Glass compositions containing silica with 40% to 90% silica by weight containing halogen or nitrogen containing fluorine
36.
MICRO-OPTICAL ELEMENT HAVING HIGH BONDING STRENGTH BETWEEN GLASS SUBSTRATE AND MICRO-STRUCTURE LAYER
A micro-optical element(1) comprises: a glass substrate (2) with a thickness t≤1500 µm, preferably t≤1200 µm, more preferably t≤1100 µm; and a microstructure layer(3) formed from polymer imprinted on the glass substrate (2). The glass substrate (2) exhibits a glue contact angle θg of less than 45°, preferably less than 40°, more preferably less than 30°, and the bonding strength between the glass substrate (2) and microstructure layer (3) is larger than 0.5MPa, preferably higher than 1MPa, more preferably higher than 1.5MPa. Therefore the bonding force between the glass substrate (2) and the microstructure layer (3) is very strong, and thus, has a long time of strong bonding and stability under different environments.
It is an object of the invention to improve the toughness and handling of very thin 5 glass sheets. For this purpose, a method for producing a structured glass disk (1) is provided, comprising the steps of: -providing a glass disk (1) having a thickness of at most 400 μm, -directing and focusing the laser beam (50) of a ultrashort pulsed laser (5) onto the glass disk (1), the laser beam (50) having a wavelength at which the glass of the glass 10 disk (1) is transparent so that the laser beam (50) can penetrate into the glass disk (1), -the laser beam (50) being focused to produce an elongated focus (52) within the glass disk (1), the intensity of the laser beam (50) being sufficient to produce a damage zone (7) within the glass disk (1) along the focus (52), -the laser beam (50) being moved relative to the glass disk (1) to insert a plurality of 15 damage zones (7) side by side along at least one ring shaped path (55) on the glass disk (1) so that at least one workpiece (9) is defined in the glass disk (1), with the ring shaped path (55) encompassing the workpiece (9), with the workpiece remaining connected to the surrounding sections of the glass disc (1) -etching by exposing the glass disk to an etchant, the etchant intruding into the damage zones (7). -after etching, chemical toughening the glass disk (1) with the at least one workpiece (9).
3 of at least 75 mol %. The article is preferably used in the fields of biotechnology, MEMS, CIS, MEMS-like pressure sensor, display, micro array, electronic devices, microfluidics, semiconductor, high precision equipment, camera imaging, display technologies, sensor/semicon, electronic devices, home appliance, diagnostic product, and/or medical device.
The present disclosure relates to a protective cover including at least one transparent inorganic layer and at least one transparent adhesion layer. The transparent inorganic layer may include glass or glass ceramic. In a preferred embodiment, the inorganic layer is glass or glass ceramic. In an embodiment, the protective cover further includes a polymer layer disposed between the inorganic layer and the adhesion layer.
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
42.
DRINKING IMPLEMENT WITH IMPROVED BREAKING STRENGTH AND MOUTH FEEL
Disclosed are a band-pass near-infrared (NIR) filter and a method of production of a band-pass NIR filter. Such band-pass NIR filter can be used in an infrared sensor for object recognition, in particular facial recognition.
An ultrathin glass-ceramic article (1) has an article thickness (t) of equal to or less than 0.3mm, and comprises an outer surface (2) followed towards the inside of the article by an outer layer (A) and a central part (B), wherein the glass-ceramic comprises a crystal phase and an amorphous phase, and the outer layer (a) comprises crystal phase. Concerning the volume proportion of crystals, the article has a gradient structure or a layered structure.
C03C 10/00 - Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
C03B 27/03 - Tempering glass products using liquid the liquid being a molten metal or a molten salt
45.
Flexible ultrathin glass with high contact resistance
An ultrathin chemically toughened glass article has a thickness of no more than 0.4 mm. In order to improve the sharp impact resistance, the glass article has a breakage height (given in mm) of more than 50 multiplied by the thickness (t) of the glass article (given in mm). Further, it has a breakage bending radius (given in mm) of less than 100000 multiplied by the thickness (t) of the glass article (given in mm) and divided by the figure of the surface compressive stress (in MPa) measured at the first surface.
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
An ultrathin chemically toughened glass article has a thickness of no more than 0.4 mm. In order to improve the sharp contact resistance, the glass article has a breakage force (given in N) of more than 30 multiplied by the thickness t of the of the glass article (given in mm). Further, it has a breakage bending radius (given in mm) of less than 100000 multiplied by the thickness (t) of the glass article (given in mm) and divided by the figure of the surface compressive stress (in MPa) at a first surface of the glass article.
Provided is a collimating system comprising at least one glass substrate (11, 12) and at least one polymer lens (1, 2, 3, 4) being present on at least one side of the substrate (11, 12). Provided is a component comprising the collimating system, at least one light source (22) and at least one light source substrate (21). Provided is a method of producing a collimating system and the use of the collimating system, in particular for 3D imaging and sensing, distance measurement, depth measurement, face recognition, and/or object recognition.
B29C 39/10 - Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressureApparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
48.
NEAR INFRARED ABSORPTION FILTER GLASS WITH HIGH REFRACTIVE INDEX
Provided are a near infrared absorption filter glass with high refractive index and a method of producing the glass and to uses of the glass. The glass is preferably used in light sensors, in particular in ambient light sensors, preferably in the field of consumer electronics devices such as mobile phones.
G06F 21/32 - User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
H04L 29/06 - Communication control; Communication processing characterised by a protocol
G07C 9/37 - Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
A chemically toughened glass article with a thickness of at most 0.07 mm and a method for producting the same are provided herein. The toughened glass article has no optical orange skin (OOS), i.e the toughened glass article has a low grey level variation or low brightness variation, when the glass article is inspected under reflection light using a white light source.
It relates to an ultrathin chemically toughened and subsequently etched glass article (1) having a thickness or less than or equal to 0.4mm. In order to improve the impact resistance the glass article (1) has a breakage height (given in mm) of more than 200 multiplied by the thickness (t) of the glass article (t given in mm). Further it has a breakage bending radius (given in mm) of less than 100000 multiplied by thickness (t) of the article (t given in mm) and divided by the figure of the surface compressive stress (in MPa) measured at the first surface (2).
It relates to a chemically toughened glass article (1) having a thickness (t) of equal to or less than 0.4 mm, a first surface (2), a second surface (3) and a compressive stress region being defined by a compressive stress (CS) of at least 100 MPa, and at least one edge (4) connecting the first surface (2) and the second surface (3), wherein the at least one edge (4) has at least one chamfer (5) with a chamfer width (A) and a chamfer height (B). In order to improve the bending strength of the glass article (1), it is suggested that the chamfer (5) has a ratio of chamfer width / chamfer height (A/B) of between 1.5 -20 and the chamfer (5) has a ratio of chamfer width / glass thickness (A/t) of at least 0.5.
223233 of at least 75 mol%. The article is prefer-ably used in the fields of biotechnology, MEMS, CIS, MEMS-like pressure sensor, display, micro array, electronic devices, microfluidics, semiconductor, high precision equipment, camera imag-ing, display technologies, sensor/semicon, electronic devices, home appliance, diagnostic prod-uct, and/or medical device.
The present invention relates to a protective cover comprising at least one transparent inorganic layer and at least one transparent adhesion layer. The transparent inorganic layer may comprise glass or glass ceramic. In a preferred embodiment inorganic layer consists of glass or glass ceramic. In an embodiment, the protective cover further comprises a polymer layer disposed between inorganic layer and adhesion layer.
H01L 33/48 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor body packages
G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
G02F 1/00 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics
B32B 7/00 - Layered products characterised by the relation between layers Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties Layered products characterised by the interconnection of layers
56.
THIN GLASS WITH IMPROVED BENDABILITY AND CHEMICAL TOUGHENABILITY
A thin chemically toughenable or toughened aluminosilicate glass with improved integrated property of bendability and chemical toughenability, a method for producing the glass of uses of the glass. The glass is preferably used in the field of industrial and consumer displays, especially in applications which require high flexibility.
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
57.
High strength ultrathin glass and method of making the same
4 of more than 1100° C. and a linear thermal expansion coefficient CTE of more than 6*10-6/° C. in the temperature range between 25° C. and 300° C. A method for producing the article as well as the use of the article is also provided. The glass article can be chemically strengthened and forms surface compressive stress layers on surfaces and center tension layer in the center. The toughened ultrathin glass sheet is more flexible and has extraordinary thermal shock resistance which makes it easier to handle for processing.
C03C 3/078 - Glass compositions containing silica with 40% to 90% silica by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 4/18 - Compositions for glass with special properties for ion-sensitive glass
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
An ultrathin chemically toughened glass article has a thickness of less than or equal to 0.4 mm. In order to improve the sharp contact resistance, the glass article has a breakage force (given in N) of more than 30 multiplied by the thickness (t, given in mm) of the of the glass article . The glass article has a breakage bending radius (given in mm) of less than 100000 multiplied by the thickness (t, given in mm) of the article and divided by the figure of the surface compressive stress (in MPa) at the first surface.
It relates to an ultrathin chemically toughened glass article having a thickness of less than or equal to 0.4 mm. In order to improve the sharp impact resistance, the glass article has a breakage height (given in mm) of more than 50 multiplied by the thickness (t) of the glass article (t given in mm). Further it has a breakage bending radius (given in mm) of less than 100000 multiplied by the thickness (t) of the article (t given in mm) and divided by the figure of the surface compressive stress (in MPa) measured at the first surface.
mol)−4. A glass carrier wafer made from the low CTE boro-aluminosilicate glass and a use thereof as a glass carrier wafer for the processing of a silicon substrate are also disclosed, as well as a method for providing a low CTE boro-aluminosilicate glass.
This invention relates to a parameter detection system, an infrared band pass filter, and a glass substrate for the infrared band pass filter as well as a method for detecting parameters. The system, filter and substrate of this invention may be used in a number of devices, including smart phones, portable computers, computer watches, tablet computers, gaming devices, TV sets, personal computers, intercommunication systems, home automation systems, automotive security systems, 3D imaging systems, gesture control systems, touch sensors, fingerprint sensors, diagnostic systems, gaming devices, interactive displays, 3D sensing systems, home appliances, display devices, iris recognition systems and others. The system, filter and substrate of this invention may be used for a number of purposes including but not limited to iris recognition, 3D scanning, interactive display, biometric detection or measurement of biometric data, gesture control, gaming, fingerprint detection.
A thin chemically toughenable or toughened lithium containing aluminosilicate glass with low expansion after chemical toughening. A method for producing as well as to uses of the glass. The glass is used in applications in the field of high precision equipment, electronic devices, or home appliance.
An electronic device structure and an ultra-thin glass sheet used therein. The electronic device structure includes a functional device and an ultra-thin glass above the functional device. The ultra-thin glass has a thickness of no more than 0.4 mm and also has a toughening layer, of which the thickness does not exceed 50% of the thickness of the ultra-thin glass. The ultra-thin glass has a total thickness variation of no more than 20 μm. The ultra-thin glass used in the electronic device structure according to the present invention provides quality assurance for subsequent potential processes, such as cutting, drilling, coating, screen-printing, laminating, gluing and the like, due to the toughening layer. Moreover, the ultra-thin glass improves functionality of the electronic device structure, in particular of the device, due to its small total thickness variation.
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
C03C 27/10 - Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
64.
Machinable and chemically toughenable fluorine glass-ceramic
5>17 wt %. Mica crystalline phase can be formed in the glass ceramic and the glass ceramic can be chemically toughened by one step, two steps or multiple steps with depth of K-ion layer of at least 15 μm and surface compress stress of at least 300 MPa. The profile on depth of the ion exchange layer follows the complementary error function. Hardness can be improved by at least 20% after chemical toughening. The dimension deviation ratio is less than 0.06% by ion-exchanging.
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03C 3/112 - Glass compositions containing silica with 40% to 90% silica by weight containing halogen or nitrogen containing fluorine
C03B 27/03 - Tempering glass products using liquid the liquid being a molten metal or a molten salt
C03C 4/18 - Compositions for glass with special properties for ion-sensitive glass
C03C 10/00 - Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
65.
Shaped glass article and method for producing such a shaped glass article
A shaped glass article is provided that is ultrathin, has two surfaces and one or more edges joining the two surfaces, and a thickness between the two surfaces. The shaped ultrathin glass article has at least one curved area with a non-vanishing surface curvature with a minimal curvature radius R if no external forces are applied. A method for producing a shaped glass article is also provided that includes providing an ultrathin glass with two surfaces and one or more edges joining the two surfaces, having a thickness between the two surfaces and shaping the ultrathin glass to a shaped ultrathin glass article by forming at least one curved area having a non-vanishing surface curvature with a minimal curvature radius R if no external forces are applied to the shaped ultrathin glass article.
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03B 23/03 - Re-forming glass sheets by bending by press-bending between shaping moulds
C03B 23/035 - Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 1/00 - Layered products having a non-planar shape
66.
High strength ultrathin glass and the making method therefore
An ultrathin glass article has a thickness of less than or equal to 0.5 mm. The glass has a low TTV and a large threshold diffusivity. The glass has a working point T4 of more than 1100°C and a linear thermal expansion coefficient CTE of more than 6×10-6/°C in the temperature range between 25℃ and 300℃. A method for producing the article as well as the use of the article. The glass article can be chemically strengthened and forms surface compressive stress layers on surfaces and a center tension layer in the center. The toughened ultrathin glass sheet is more flexible and has extraordinary thermal shock resistance making it easier to handle for processing.
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
67.
LOW CTE BORO-ALUMINOSILICATE GLASS FOR GLASS CARRIER WAFERS
The invention concerns a low CTE boro-aluminosilicate glass having a low brittleness, in particular for the use in wafer-level-packaging (WLP) applications, with a composition in Mol-％of SiO2: 60-85, Al2O3: 1-17, B2O3: 8-20, Na2O: 0-5, K2O: 0-5, MgO: 0-10, CaO: 0-10, SrO: 0-10, BaO: 0-10, wherein the average number of non-bridging oxygen per polyhedron (NBO) is equal or larger than -0.2 and a ratio B2O3/Al2O3 is equal or larger than 0.5, wherein the NBO is defined as NBO ＝ 2 x Omol/ (Simol+Almol+Bmol) –4. The invention also concerns a glass carrier wafer made from the low CTE boro-aluminosilicate glass and a use thereof as glass carrier wafer for the processing of a silicon substrate. The invention further concerns a method for providing a low CTE boro-aluminosilicate glass.
A parameter detection system, an infrared band pass filter, and a glass substrate for the infrared band pass filter as well as a method for detecting parameters are disclosed. The system, filter and substrate may be used in a number of devices, including smart phones, portable computers, computer watches, tablet computers, gaming devices, TV sets, personal computers, intercommunication systems, home automation systems, automotive security systems, 3D imaging systems, gesture control systems, touch sensors, fingerprint sensors, diagnostic systems, gaming devices, interactive displays, 3D sensing systems, home appliances, display devices, iris recognition systems and others. The system, filter and substrate may be used for a number of purposes including but not limited to iris recognition, 3D scanning, interactive display, biometric detection or measurement of biometric data, gesture control, gaming, fingerprint detection.
A glass or glass ceramic article with a high capacity per unit and a method for producing such article are provided. Further, the use of the article as a cover member of a fingerprint sensor device and a corresponding fingerprint sensor are provided.
A method for producing an ultrathin chemically toughened glass article is provided that includes: providing an ultrathin glass sheet with a first surface and a second surface joined by at least one edge, having a thickness between the first and the second surface, chemically toughening the ultrathin glass sheet to produce an ultrathin toughened glass article. The method includes applying an edge pre-treatment to the at least one edge, preferably all edges, of the ultrathin glass sheet prior to the chemical toughening in order to reduce and/or blunt edge defects and to increase resistance to breakage of the ultrathin glass sheet during the chemical toughening.
A method for de-bonding of a bonded article (1), in particular a bonded glass article (1), which comprises a carrier substrate (2), in particular a glass carrier substrate (2), having a bonding surface (3.1), and an ultra-thin substrate (3), in particular an ultra-thin glass substrate (3), having a first and a second surface (3.1, 3.2) and a thickness t, where the first surface (3.1) of the ultra-thin substrate (3) forms a bonding surface (3.1) with which the ultra-thin substrate (3) is bonded to the bonding surface (3.1) of the carrier substrate (2). The method comprises adhering a contact film (4) onto the second surface (3.2) of the ultra-thin substrate (3) and retaining the ultra-thin substrate (3) with its second surface (3.2) via the contact film (4) on a retaining surface (6.1) of a retaining device (6). The method further comprises de-bonding the ultra-thin substrate (3) from the carrier substrate (2) by applying a, preferably mechanical, de-bonding force to the carrier substrate (2) relative to the retaining device (6), and removing the contact film (4) from the second surface (3.2) of the de-bonded ultra-thin substrate (3). Preferably, a weakening treatment (8) is applied to the contact film (4) after the de-bonding of the ultra-thin substrate (3) which reduces the adhesion force between the contact film (4) and the second surface (3.2) of the ultra-thin substrate (3).
H01L 21/673 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereofApparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components using specially adapted carriers
72.
METHOD FOR PRODUCING A TOUGHENED GLASS ARTICLE WITH A DURABLE FUNCTIONAL COATING AND A TOUGHENED GLASS ARTICLE WITH A DURABLE FUNCTIONAL COATING
A method for producing a toughened glass article with a functional coating comprises providing a chemically toughened glass substrate with a first and a second face and a thickness (t) there between. The glass substrate has a surface layer with a compressive stress (CS) extending to a depth-of-layer (DoL) below the first and/or second face. The method further comprises applying a sol-gel coating to the first and/or the second face of said glass substrate and curing the sol-gel coating by heating it to curing temperatures above T a-200 oC during a curing time t c to produce the durable functional coating. The curing time t c satisfies formula (I) wherein T a is the temperature at the annealing point of the glass material of the glass substrate and T c is the maximum curing temperature, where T a and T c are given in oC. Further provided is a toughened glass article with a durable functional coating, in particular produced by the method according to the invention.
C03C 17/28 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
C03B 27/02 - Tempering glass products using liquid
73.
METHOD FOR PRODUCING A BONDED GLASS ARTICLE AND A BONDED GLASS ARTICLE
Disclosed is a method for producing a bonded article (1), comprising providing a carrier substrate (2), having a bonding surface (2.1) and providing an ultra-thin substrate (3) which is sheet-like and flexible. The method further comprises cleaning at least the bonding surface of the ultra-thin substrate (3), cleaning at least the bonding surface of the carrier substrate (2), and establishing an intimate bonding. The method is characterized in that the intimate bonding is established by electrostatic forces resulting from a weak electrostatic field potential from electrostatic charges on at least one of the bonding surfaces, wherein the weak electrostatic field potential at the bonding surfaces does not exceed 1kV. Further disclosed are a bonded article and a use of the bonded article.
A thin glass article having a first face and a second face, a method for producing it and a use thereof are provided. The article has one or more edges joining the first and the second face and a thickness between the first and the second face, where the both faces and the one or more edges together form an outer surface of the thin glass article. The article has a non-uniform ion-exchanged surface layer on its outer surface, wherein the non-uniformly ion-exchanged surface layer has an associated compressive surface stress which varies between a minimum and a maximum value over the outer surface and/or a depth of layer which varies between a minimum and a maximum value over the outer surface.
A shaped glass article and a method for producing it are provided. The article is ultrathin and has two surfaces and one or more edges joining the two surfaces, and a thickness between the two surfaces. The article has at least one curved area with a non-vanishing surface curvature with a minimal curvature radius R if no external forces are applied. The method comprises providing an ultrathin glass with two surfaces and one or more edges joining the two surfaces, having a thickness between the two surfaces and shaping the ultrathin glass to a shaped ultrathin glass article by forming at least one curved area having a non-vanishing surface curvature with a minimal curvature radius R if no external forces are applied to the shaped ultrathin glass article.
A camera module (1) is provided having a camera sensor (3) and an objective lens (2) for focusing light onto the camera sensor (3), the objective lens (2) comprising a composite lens (5) with a base (7) made from a filter glass (70) or a base (7) made from a glass with an infrared absorptive coating and a first lens section (9) attached to one side (71,72) of the base (7), the first lens section (9) having a curved refractive outer surface (74) and being formed from a material different to the filter glass (70), the filter glass (70) of the flat base (7) or the infrared absorbing coating absorbing near infrared radiation and thus functioning as a near infrared cut filter. It can improve camera modules with IR-cut filters so as to reduce the length of the module.
A machinable and chemically toughenable glass ceramic comprises, as represented by weight percentage based on the following compositions, 25-75 wt％of SiO 2, 6-30 wt％of Al 2O 3, 0.1-30 wt％of Na 2O, 0-15 wt％of K 2O, 0-30 wt％of B 2O 3, 4-35 wt％of MgO, 0-4 wt％of CaO, 1-20 wt％of F, 0-10 wt％of ZrO 2, 0.1-10 wt％of P 2O 5, 0-1 wt％of CeO 2 and 0-1 wt％of SnO 2, wherein P 2O 5 + Na 2O ＞ 3 wt％, and Al 2O 3 + Na 2O + P 2O 5 ＞ 17wt％. Mica crystalline phase can be formed in the glass ceramic and the glass ceramic can be chemically toughened by one step, two steps or multiple steps with a depth of K-ion layer of at least 15 μm and a surface compress stress of at least 300 MPa. The profile on depth of the ion exchange layer follows the complementary error function. Hardness can be improved by at least 20％after chemical toughening. The dimension deviation ratio is less than 0.06％by ion-exchanging.
A low CTE glass with a high UV-transmittance and high solarization resistance, a glass carrier wafer made of the low CTE glass and the use of such a glass carrier wafer. The glass comprises an alkaline metal oxide free composition of 50-75 mol%SiO2, 3-20 mol%Al2O3, 5-20 mol%B2O3, 0-15 mol%MgO, 0-15 mol%CaO, 0-15 mol%SrO, and 0-15 mol%BaO, where MgO+CaO+SrO+BaO amounts to 3 to 25 mol%and the average number of non-bridging oxygen per polyhedron (NBO) is equal or larger than -0.08 and equal or smaller than-0.38, or comprises an alkaline earth metal oxide free composition of 78-85 mol%SiO2, 0-7 mol%Al2O3, 8-15 mol%B2O3, 0-8 mol%Na2O, and 0-5 mol%K2O, where the NBO is equal or larger than -0.25 and equal or smaller than -0.10. The glass carrier wafer has a high UV-transmittance at a wavelength of 248 nm and/or 308 nm, good solarization resistance, a long recycling lifetime and reduced processing cost.
A bonded article of thin glass and support substrate with a unique interlayer in between. The interlayer has adhesive on its both surfaces. The adhesion force between the thin glass and interlayer is less than 1 N/mm; the thickness of the adhesive between interlayer and support substrate is more than 50 mm. This bonded article can be subjected to an easy 2-step debonding method: the support substrate is firstly removed from the bonded article by a blade, and then the interlayer is peeled off from the thin glass without any breakage of the thin glass.
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
80.
METHOD FOR PRODUCING A BONDED ARTICLE INCLUDING AN ULTRA-THIN SUBSTRATE AND BONDED ARTICLE
A method for producing a bonded article (70) comprising providing an ultra-thin substrate (1), in particular an ultra-thin glass substrate, with a first surface (1.1) and a second surface (1.2), where the ultra-thin substrate (1) is at least partially transmissible to an electromagnetic inspection radiation, and providing a support substrate (60) having a first surface and a second surface. The method comprises laminating a dark-screen film (2) on the second surface of the ultra-thin substrate (1) to produce a laminated ultra-thin substrate prior to cleaning the first surface (1.1) of the ultra-thin substrate (1). After cleaning, the first surface (1.1) of the ultra-thin substrate (1) is inspected for impurities (27) by irradiating the first surface (1.1) with the electromagnetic inspection radiation and identifying impurities (27) by way of contrast between the irradiated impurities (27) and the dark-screen film (2). If a desired cleanliness has been reached, a bonded article (70) is produced by bonding the laminated ultra-thin substrate with its first surface to the first or second surface of the support substrate (60). A bonded article (70) and a method for inspecting a surface of an ultra-thin substrate for impurities (27) are also provided.
A method for making a bonded article, wherein a thin glass substrate is bonded on a support substrate in the absence of any interlayer by an electrostatic adhesion process with the assistance of external pressure, the pressure is applied constantly or stepwise during the adhesion process by use of a tool such as a roll or a wheel or other movable device with curved surface. The bonded article has no defects, e.g. bubbles or inclusions, in the bonded interface, which benefits transportation of the thin glass substrate and its post-processing as well. Such defect-free bonded article is also disclosed. Pressure supported electrostatic adhesion, initiated by electrostatic charges adhesion of a two members, e.g. a substrate member and a support member, is enabled to minimize, prevent and exclude defects, distortion between the adhered surfaces.
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
B32B 43/00 - Operations specially adapted for layered products and not otherwise provided for, e.g. repairingApparatus therefor
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
B32B 37/10 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using direct action of vacuum or fluid pressure
B32B 38/10 - Removing layers, or parts of layers, mechanically or chemically
82.
OPTICAL ARRANGEMENT FOR A CAMERA MODULE, CAMERA MODULE WITH OPTICAL ARRANGEMENT AND METHOD OF MANUFACTURING THE OPTICAL ARRANGEMENT
An optical arrangement (10) for a camera module (22) with an image sensor (16) is provided. The optical arrangement (10) comprises a plurality of optical components, the optical components comprising: a) a transparent cover element (12.1 ); b) an infrared absorbing cut-off filter (12.2); and c) an optical lens (14), wherein the optical components a), b), c) are arranged, along an incident optical beam path (20) going through the optical components onto the image sensor (16), in a sequence a) to c).
A method for producing an ultrathin chemically toughened glass article, comprising providing an ultrathin glass sheet with a first surface and a second surface joined by at least one edge, having a thickness between the first and the second surface, chemically toughening the ultrathin glass sheet to produce an ultrathin toughened glass article. The method is characterized in that an edge pre-treatment is applied to the at least one edge, preferably all edges, of the ultrathin glass sheet prior to the chemical toughening in order to reduce and/or blunt edge defects and to increase resistance to breakage of the ultrathin glass sheet during the chemical toughening. Provided further is an ultrathin chemically toughened glass article and an ultrathin glass sheet as semi-finished product for the production of an ultrathin chemically toughened glass article.
A method for producing an ultrathin chemically toughened glass article comprises providing an ultrathin glass sheet with a first surface and a second surface joined by at least one edge, having a thickness between the first and the second surface, chemically toughening the ultrathin glass sheet to produce an ultrathin toughened glass article. The method is characterized in that an edge pre-treatment is applied to the at least one edge, preferably all edges, of the ultrathin glass sheet prior to the chemical toughening in order to reduce and/or blunt edge defects and to increase resistance to breakage of the ultrathin glass sheet during the chemical toughening. Provided further is an ultrathin chemically toughened glass article and an ultrathin glass sheet as semi-finished product for the production of an ultrathin chemically toughened glass article.
A chemically toughened ultrathin glass is provided. The glass has a thickness less than 500 μm and a surface compressive layer having a depth of at most 30 μm. The toughened ultrathin glass sheet is more flexible and has extraordinary thermal shock resistance with the glass being easier to handle for processing.
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
C03C 17/22 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with other inorganic material
C03C 17/28 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material
C03C 17/32 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
The invention provides a lithium-free boron alumino-silicate glass composition which is chemically toughened and a glass article manufactured thereof. The glass article has a CTE lower than 7.5 ppm/K-1 at a temperature of 20 to 300°C, a Dol higher than 10 μm and a CS higher than 500 MPa. The glass article comprises a glass composition in accordance to the invention with the ratio R'O/R2O equal to or lower than 0.7 and wherein R' is at least one of Mg, Ca, Sr, Ba and wherein R is at least 10 one of Na and K. The non-bridge oxygen produced by alkali earth oxides can be controlled and the good chemical toughening properties (CS>500 MPa, Dol>10 μm) can be got. The glass has high thermal 15 shock resistance, high heat conductive coefficient and high surface tension. The chemical toughening low CTE glass article can be used as a cover for cellphones, smart phones, tablet PC, notebooks, PDA;20 or it can be used for flexible cover on folding screening display, OLED and the like.
The invention is related to a method for making a bonded article, wherein a thin glass substrate is bonded on a support substrate in the absence of any interlayer by an electrostatic adhesion process with the assistance of external pressure, the pressure is applied constantly or stepwise during the adhesion process by use of a tool such as a roll or a wheel or other movable device with curved surface. The bonded article has no defects, e.g. bubbles or inclusions, in the bonded interface, which benefits transportation of the thin glass substrate and its post-processing as well. Such defect-free bonded article is also disclosed. Pressure supported electrostatic adhesion, initiated by electrostatic charges adhesion of a two members, e.g. a substrate member and a support member, is enabled to minimize, prevent and exclude defects, distortion between the adhered surfaces.
A flexible article made of glass and metal foil and the production thereof. The flexible article is a multilayered structure having at least one glass layer and one metal foil layer, and the shear strength between glass and metal foil is above 1 MPa/mm2. The glass layer of said flexible article has high electrical resistivity at ambient temperature, low roughness, low thickness, good adherence to metal foil, and the glass in the glass layer has high temperature stability and low flowing temperature, and the thermal expansion coefficient (20 to 300 °C) is 1 x l0-6/K to 25 x10-6/K. The whole article is flexible and can be bent, and the curvature radius of the bent flexible article is above 1 mm. The glass used is produced by high temperature melting and cooling.
C23D 3/00 - Chemical treatment of the metal surfaces prior to coating
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
A lithium free boron aluminosilicate glass for manufacturing a chemically toughened glass article which has an effective bond length index (EBI)gi in a range of 1.7≤(EBI)gi≤2.5, preferably 1.5≤(EBI)gi≤2.4 and most preferably 1.9≤(EBI)gi ≤2.3. The (EBI)gi index is a measure of glass structure and allows predicting glass properties.
The present invention provides a chemically toughened ultrathin glass, said glass has a thickness less than 500 μm, a surface compressive layer having a depth of at most 30 μm. Said toughened ultrathin glass sheet is more flexible and has extraordinary thermal shock resistance with the glass being easier to handle for processing.
A laminated glass for mobile electronic device, comprising at least two layers of glass bonded together and selected from glass ceramic and ordinary glass, wherein the outmost layer is a glass ceramics layer. The laminated glass can be used as back or front cover of mobile electronic device. The said back or front cover can have advantageous of colors, strength, anti-scratch and also safety when broken.
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
C03C 4/00 - Compositions for glass with special properties
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/095 - Glass compositions containing silica with 40% to 90% silica by weight containing rare earths
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
93.
Thin lithium-aluminosilicate glass for three dimensional precision molding
A thin lithium-aluminosilicate glass is provided. The glass is suitable for three dimensional precision molding and suitable for toughening, wherein after toughening, the glass has a center tension smaller than 50 Mpa, a surface compressive stress of 600-1200 Mpa, and a bending strength of up to 500 MPa. The glass also has a transition point lower than 550° C.
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03C 3/095 - Glass compositions containing silica with 40% to 90% silica by weight containing rare earths
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03B 23/03 - Re-forming glass sheets by bending by press-bending between shaping moulds
C03B 23/035 - Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
C03C 19/00 - Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
94.
AN ALUMINOSILICATE GLASS CONTAINING Li2O AND P2O5 USED FOR CHEMICAL TOUGHENING
The present invention discloses an aluminosilicate glass and a glass ceramics for chemical tempering, specifically a novel aluminosilicate glass comprising Li2O and P2O5 for chemical tempering. The glass of the present invention can have a high ion exchange rate by adding 0.01-8 wt% of P2O5. The glass of the present invention comprises 2-6 wt% of Li2O, which can reduce the glass molten temperature and glass transition temperature. The glass of the present invention has a low glass transition temperature (Tg) of 480-590°C, and a glass hardness of at least 600 Kg/mm. The glass of the present invention has a large depth of the surface compressive layer (DoL) and a high surface compressive stress (CS) after being chemical tempered. After tempering in pure KNO3, a surface compressive layer of potassium ion can be formed with a DoL of at least 20 μm and a CS of at least 600 MPa. And tempering in mixed salts of KNO3 and NaNO3 or a two-step tempering by using KNO3 and NaNO3 can form potassium and sodium ion compressive layers at the same time with a DoL of at least 50 μm and a CS of at least 600 MPa. In addition, the aluminosilicate glass of the present invention can be further subjected to thermal treatment to convert to glass ceramics.
The present invention provides an alkali aluminosilicate glass having an working point lower than 1200°C (104 dPas), and a transition temperature Tg lower than 610°C, comprising: based on the percentage by weight, 51 -63% of Si02; 5-18% of Al203; 8-16% of Na20; 0-6%of K20; 3.5-10% of MgO; 0-5% of B203; 0-4.5% of Li20; 0-5% of ZnO; 0-8% of CaO; 0.1 -2.5% of Zr02; 0.01 -<0.2% of Ce02; 0-0.5% of F2; 0.01 -0.5% of Sn02; 0-3% of BaO; 0-3% of SrO; 0-0.5% of Yb203; wherein the sum of Si02+Al203 is 63-81 %, and the sum of CaO+MgO is 3.5-18%, and the ratio of Na20/(l_i20+Na20+K20) is 0.4-1.5. The glass is environmentally friendly and free of As203 and Sb203. The glass can be readily manufactured at a lower cost and is suitable to be chemically toughened through ion exchange. The glass has high chemical stability, high impact strength and high hardness, and is suitable for 3D precision molding and thermal bending. The glass can be used as a cover plate or a substrate glass of a touch panel. The glass is also suitable to be used as an electronic substrate.
A chemically strengthened glass capable of subsequently cutting is provided. The glass has a Young's modulus of 70-100GPa, a Knoop hardness of 500-800kg/mm2 (0.1/20, 100gf, 20s) and a CTE of 5.0-11.0×10-6/°C.
A thin Li-Al-Si glass used for three dimension precise molding and suitable for strengthening is provided. The glass has a central tensile stress of lower than 50 MPa, a surface compression stress of 600-1200 MPa, a bending strength of up to 500 MPa and a glass transformation temperature of lower than 550°C.
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03B 27/03 - Tempering glass products using liquid the liquid being a molten metal or a molten salt
98.
GLASS WINDOW FOR HIGH SPEED GROUND TRANSPORTATION SYSTEM
A kind of glass window for high speed ground transportation system consists of single layer or multilayer glass plate based on lithium aluminum silicate glass or lithium aluminum silicate glass ceramic.
The present invention relates to precision molding optical glasses, having a refractive index ηd of 1.67 < ηd < 1 -70, an Abbe number νd of 52.0 < νd < 55.0, and a glass transformation temperature T9 < 55O°C, and comprising the following composition in % by weight: SiO2, 5.5-15%; Li2O, 2.6-8%; B2O3, 20-40%; La2O3, 21.5-35%; Y2O3, 0.5-10%; Ta2O5, 0.1-8%; ZrO2, 0.1-5%; ZnO, 1-35%; SrO, 0-15%; BaO1 0-22%; AI2O3, 0-10%; Na2O1 0-2%; Sb2O3, 0-1 %; SnO2, 0-1 % and CeO2, 0-1 %.
An aluminosilicate glass for touch screen is provided. The glass consists of (in wt.%): 55-65% silica, 12<-17% sodium oxide, 15<-20% alumina, 2-6% potassium oxide, 3.9-10% magnesia, 0-5% zirconia, 0-4% zinc oxide, 0-4% calcium oxide, 15-28% sodium oxide + potassium oxide + magnesia + zinc oxide + calcium oxide, 0-1% stannic oxide, no more than 1% titanium dioxide + cerium oxide. And a chemical strengthening method is provided, which comprises dipping the glass in a salt bath of 100% KNO3 for strengthening ion exchange, preheating the glass at a temperature between 370℃ and 430 ℃ for 0.5-16h. The said glass can be used for substrate and cover sheet of the touchpad.
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
patents
