The present disclosure provides an anti-reflective coating composition comprising an organic polymer; the organic polymer comprises a crosslinkable polymer; the crosslinkable polymer comprises a monomer unit formed by a monomer represented by formula (I). As compared with the prior art, the crosslinkable polymer provided by the present disclosure comprises hydroxyl group can be crosslinked with a crosslinking agent containing amino group and/or alkoxyl-substituted amino group at a relatively low baking temperature, so that the baking temperature of the anti-reflective coating composition is reduced. The outgassing during its baking process can be effectively solved or reduced. By doing so, unnecessary cleaning processes are reduced while the patterns damage due to falling of solid particles formed by gas condensation is significantly reduced. Therefore, the overall process flow can be simplified and the relevant cost could be reduced effectively.
The present disclosure provides an anti-reflective coating composition comprising an organic polymer; the organic polymer comprises a crosslinkable polymer; the crosslinkable polymer comprises a monomer unit formed by a monomer represented by formula (I). As compared with the prior art, the crosslinkable polymer provided by the present disclosure comprises hydroxyl group can be crosslinked with a crosslinking agent containing amino group and/or alkoxyl-substituted amino group at a relatively low baking temperature, so that the baking temperature of the anti-reflective coating composition is reduced. The outgassing during its baking process can be effectively solved or reduced. By doing so, unnecessary cleaning processes are reduced while the patterns damage due to falling of solid particles formed by gas condensation is significantly reduced. Therefore, the overall process flow can be simplified and the relevant cost could be reduced effectively.
G03F 7/11 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
C08F 212/14 - Monomers containing only one unsaturated aliphatic radical containing one ring substituted by hetero atoms or groups containing hetero atoms
C08F 220/30 - Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety
C08F 220/58 - Amides containing oxygen in addition to the carbonamido oxygen
C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
C09D 125/18 - Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen
C09D 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
C09D 133/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
C09D 133/26 - Homopolymers or copolymers of acrylamide or methacrylamide
4 is selected from H or a C1-C7 alkyl. A high-performance anion-exchange membrane having high ion conductivity, low swelling, and strong alkali resistance can be obtained from the polymer of the present application, and no noble metal catalyst is required in a synthesis method, which is environment-friendly and simple; the present application has a broad application prospect.
A transfer method for micro flip chips includes forming a first bonding member on a surface of one side of a second electrical connection piece of each of a plurality of micro flip chips facing away from a temporary substrate to which they are adhered. The micro flip chips are transferred onto a drive substrate. The second electrical connection pieces of the micro flip chips are connected to a corresponding one of first electrical connection pieces of the drive substrate via the first bonding members. The micro flip chips are inspected to determine bad point positions of defective chips on the drive substrate. The first bonding member is irradiated at each bad point position by laser and the defective chip is removed. The method ensures stable bonding between the micro flip chips and the drive substrate and prevents the first electrical connection pieces from being damaged by laser irradiation.
Provided is a multifunctional group metal corrosion inhibitor, as shown in one or more of formula (I-a) to formula (I-c). The metal corrosion inhibitor disclosure is a multifunctional group metal corrosion inhibitor comprising Schiff base or a derivative structure thereof, a catechol group and a mercapto group. A plurality of active functional groups are introduced, so that the active adsorption site of the inhibitor can be increased, and the synergetic effect of the three functional groups can enhance the adsorption effect of the inhibitor and a metal, And thus, the inhibitor is suitable for applicable for adsorptions of plurality of metals. Therefore, the inhibitor can exert a high anti-corrosion efficiency under the condition of a low addition amount, and provides a protection effect for the plurality of the metals.
Provided is a multifunctional group metal corrosion inhibitor, as shown in one or more of formula (I-a) to formula (I-c). The metal corrosion inhibitor disclosure is a multifunctional group metal corrosion inhibitor comprising Schiff base or a derivative structure thereof, a catechol group and a mercapto group. A plurality of active functional groups are introduced, so that the active adsorption site of the inhibitor can be increased, and the synergetic effect of the three functional groups can enhance the adsorption effect of the inhibitor and a metal, And thus, the inhibitor is suitable for applicable for adsorptions of plurality of metals. Therefore, the inhibitor can exert a high anti-corrosion efficiency under the condition of a low addition amount, and provides a protection effect for the plurality of the metals.
C07C 323/34 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton having at least one of the nitrogen atoms bound to a carbon atom of the same non-condensed six-membered aromatic ring the thio group being a mercapto group
C07C 319/12 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols by reactions not involving the formation of mercapto groups
C07D 277/66 - Benzothiazoles with only hydrocarbon or substituted hydrocarbon radicals attached in position 2 with aromatic rings or ring systems directly attached in position 2
C11D 3/00 - Other compounding ingredients of detergent compositions covered in group
A tension determination method, comprising: acquiring the winding diameter of a current-layer coiled material wound by a winding reel; and on the basis of the winding diameter of the current-layer coiled material, determining an external tension of the current-layer coiled material, wherein the external tension of the current-layer coiled material is used for winding the current-layer coiled material onto the winding reel. According to the method, the external tension of winding is determined in real time by means of the winding diameter, thereby reducing the interlayer sliding degree of the inner-layer coiled material, thus reducing the gun barrel phenomenon, and reducing the waste of coiled materials. The present invention further comprises a tension determination apparatus, a computer device, a storage medium, and a computer program product.
B65H 26/08 - Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to a predetermined diameter
6.
POLYMER FOR PHOTOETCHING MEDIUM COMPOSITION, AND PHOTOETCHING MEDIUM COMPOSITION
The present application relates to a polymer for a photoetching medium composition, and a photoetching medium composition. The polymer has a structural unit as represented by general formula (1) below. In the present invention, under the circumstance that the polymer retains a carbon-rich structure (i.e. a multi-benzene-ring structure), a secondary hydroxyl structure is introduced into the structure and can provide a cross-linking site during a film-forming process of a material, thereby improving the overall cross-linking density of the material and further improving the etching resistance of the material. In addition, the secondary hydroxyl structure can serve as a polar acting site and has relatively strong movement ability, thereby prompting an improvement in the ability thereof regarding interaction with a solvent, and ensuring the dissolution performance of the material. The polymer of the present application has both good solubility and good etching resistance, the solubility thereof is maintained while the etching resistance thereof is improved, and the polymer is very suitable as an etching-resistant dielectric layer material.
A fluorine-free cleaning agent is a water-based cleaning agent. The fluorine-free cleaning agent comprises of water, organic solvent and amine compound, wherein the mass of the organic solvent is 15-85% of the mass of the fluorine-free cleaning agent; and the mass of the amine compound is 5-50% of the mass of the fluorine-free cleaning agent. The fluorine-free cleaning agent further comprises of one or more of corrosion inhibitor, acid compound and alcohol compound. By means of a synergistic effect of the specific amine compound and one or more of corrosion inhibitor, acid and alcohol, the fluorine-free cleaning agent provided in the present disclosure showed good cleaning capability even without fluoride by comparing with the prior art.
The present application relates to a compound for a photolithographic dielectric composition, a polymer, and the photolithographic dielectric composition. The polymer has a structural unit represented by general formula (1) below. The compound and the polymer of the present application have excellent performance in the aspects of solubility and etching resistance, the solubility of the compound and the polymer are optimized while the etching resistance is considered, and the compound and the polymer are very suitable as an etching-resistant dielectric layer material.
C08G 8/20 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with polyhydric phenols
C07D 311/78 - Ring systems having three or more relevant rings
G03F 7/11 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
9.
ANTI-REFLECTIVE COATING COMPOSITION AND CROSSLINKABLE POLYMER
An anti-reflective coating composition comprises an organic polymer. The organic polymer comprises a crosslinkable polymer. The crosslinkable polymer comprises a monomer unit formed by a monomer represented by formula (I):
An anti-reflective coating composition comprises an organic polymer. The organic polymer comprises a crosslinkable polymer. The crosslinkable polymer comprises a monomer unit formed by a monomer represented by formula (I):
An anti-reflective coating composition comprises an organic polymer. The organic polymer comprises a crosslinkable polymer. The crosslinkable polymer comprises a monomer unit formed by a monomer represented by formula (I):
wherein R1 is selected from substituted or unsubstituted C2-C10 alkenyl, and R2 and R3 are each independently selected from H, substituted or unsubstituted C1-C6 alkyl, and substituted or unsubstituted C6-C20 aryl. Compared with the prior art, the subject crosslinkable polymer comprises the monomer unit that can be self-crosslinked with functional groups such as hydroxyl, amino, and sulfhydryl, such that a crosslinking agent does not need to be added to a coating. The generation of gas during baking process of the composition can be effectively reduced or eliminated, and some unnecessary cleaning process is avoided by doing so. The pattern damage due to solid particle caused by gas condensation can also be avoided. The overall process flow can be simplified and the relevant cost can be reduced.
A method for predicting performance of LED structure is provided. The prediction method mainly includes: collecting and extracting input feature parameters and output feature parameters of LED structures, and constructing corresponding datasets; preprocessing data in the datasets; constructing a model using a machine learning algorithm, setting structural parameters of the model, and performing initialization training on the model to obtain an initial model; using preprocessed datasets to train and optimize the initial model, thereby obtaining a prediction model; inputting input feature parameters of an LED structure to be predicted into the prediction model, thereby obtaining prediction values of output feature parameters of the LED structure to be predicted. The prediction method can predict the performance of LED structure, has short prediction time, and has high prediction accuracy.
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
11.
ORGANIC-INORGANIC COMPOSITE SEPARATOR FOR PRODUCTION OF HYDROGEN BY ALKALINE WATER ELECTROLYSIS, AND PREPARATION METHOD THEREFOR
The present invention provides an improved organic-inorganic composite separator for production of hydrogen by alkaline water electrolysis, and a preparation method therefor. An organic polymer resistant to high temperature and a concentrated base is selected; a polar polymer and a soluble metal salt are introduced into a separator preparation solution; an aqueous alcohol solution containing ions capable of precipitating the metal salt in the separator preparation solution is used as a separator forming coagulation bath; and generation of the separator and generation of inorganic particles are performed simultaneously to prepare an organic-inorganic composite separator having the inorganic particles uniformly distributed on the surface and the interior of the separator. The organic-inorganic composite separator has few defects, high stability and strong controllability, is used as a separator for production of hydrogen by alkaline water electrolysis, and demonstrates a lower electrolytic voltage and very high electrolysis efficiency.
The present invention provides an improved composite diaphragm for hydrogen production by alkaline electrolyzed water. A thermally induced phase separation method is used for preparation, the process is simple, large-scale and large-area stable production can be realized, and the prepared composite diaphragm has high hydrophilicity and high mechanical strength, can tolerate high temperature (90-160°C) and high-concentration alkali liquor, and is an excellent diaphragm for an alkaline electrolytic cell for water electrolysis.
A method for predicting performance of solar cell structure includes: collecting and extracting input feature parameters of solar cell structures and corresponding output feature parameters; establishing corresponding data sets, and preprocessing the data sets according to a known criterion; constructing a model by utilizing a machine learning algorithm, and setting structural parameters and performing initialization training on the model; performing training optimization on the model subjected to setting the structural parameters and performing the initialization training by using a preprocessed training data set to obtain a prediction model; and inputting a preprocessed test data set of a to-be-predicted solar cell structure into the prediction model to obtain predicted values of output feature parameters of the to-be-predicted solar cell structure. The performance of solar cell structure can be rapidly predicted, which is convenient to operate and has a high accuracy.
Disclosed are a preparation method for a trifluoromethyl ketone compound, a trifluoromethyl ketone compound, and an ion exchange membrane. The trifluoromethyl ketone compound is generated by means of a reaction using a compound of general formula (II) and trifluoroacetic anhydride as starting materials for the reaction and a pyridine compound as a catalyst. The compound having a structure represented by the described general formula and the pyridine compound are in a molar ratio of 1:(1-8), so as to reduce the types of reaction byproducts, thus improving the purity and yield of the product.
C07C 45/45 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by condensation
C07C 49/167 - Saturated compounds containing keto groups bound to acyclic carbon atoms containing halogen containing only fluorine as halogen
An additive, comprising a first component, wherein the first component comprises at least one of ferrocene and a ferrocene compound, and a polar solvent used for dissolving the ferrocene and the ferrocene compound. The provided additive can be used for surface modification of a metal electrode, surface passivation of a perovskite material and doping of a hole transport layer material, can inhibit ion migration, and can improve the photoelectric conversion efficiency and stability of a device; and the additive is particularly suitable for efficient doping of a hole transport layer material in perovskite solar cell of a normal structure.
Provided in the present invention is a gas-liquid diffuser for hydrogen production by using alkaline electrolytic water. The gas-liquid diffuser is arranged between an electrode plate and a diaphragm to form a gas-liquid diffusion layer, is made of a woven net or a plate net, and is provided with a plurality of flow channels alternating on two sides of the gas-liquid diffuser; and in a direction perpendicular to the flow channels, the cross section of the gas-liquid diffuser is in a wavy shape formed by the plurality of flow channels. By using the gas-liquid diffuser, the contact resistance is effectively reduced, the electrolytic efficiency is improved, the stress concentration of a contact position is lowered, the diaphragm is prevented from being crushed, the flow resistance of a fluid is reduced, a stagnation flow or a back flow is prevented from being formed in an internal flow field, the risk of the intermixing of hydrogen and oxygen is lowered, and a contact area between a surface of an electrode and an alkaline electrolyte is increased.
The present invention aims to overcome the defects of existing electrolytic bath pole frame designs for hydrogen production from water electrolysis, and provides an electrolytic bath pole frame for hydrogen production from water electrolysis and an electrolytic bath using the pole frame. The optimization structure can enable the flow field distribution of an electrolytic cell to be more uniform, and the electrolysis efficiency in the electrolytic cell is improved. Moreover, by means of the optimization structure, a gas-liquid ratio of a gas-liquid outlet is closer, smooth discharge of gas and liquid is facilitated, and pressure drop is reduced.
A gas-liquid separation structure of an apparatus for producing hydrogen by water electrolysis of the present invention is an asymmetric structure, which mainly means that structures of a hydrogen gas-liquid separation tank and an oxygen gas-liquid separation tank are asymmetric. Since the production of hydrogen is twice that of oxygen, in order to keep the liquid levels of the two gas-liquid separation tanks balanced when power is suddenly changed, the sectional area of the hydrogen gas-liquid separation tank is set to be twice that of the oxygen gas-liquid separation tank, so that the pressure of a gas entering the hydrogen gas-liquid separation tank and the oxygen gas-liquid separation tank is basically identical, and the liquid level is basically kept balanced.
C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
A display panel and a preparation method therefor. The preparation method comprises: providing a first substrate (300), one side of the first substrate (300) being provided with a plurality of Micro-LED chips spaced apart; providing a second substrate (201), one side surface of the second substrate (201) being provided with a plurality of conductive layers (206); forming an isolation layer (207) on the second substrate (201), a plurality of opening groups being provided in the isolation layer (207), each opening group comprising a first opening (2071) and a second opening (2072) which expose the surfaces of the conductive layers (206), the width of the first opening (2071) being greater than that of a P-type electrode (304), and the width of the second opening (2072) being greater than that of an N-type electrode (305); forming a first bonding layer (2081) in the first openings (2071), and forming a second bonding layer (2082) in the second openings (2072); and supporting a chip body by using the isolation layer (207), and bonding the N-type electrode (305) to the second bonding layer (2082) while bonding the P-type electrode (304) to the first bonding layer (2081), the P-type electrode (304) being embedded in the first bonding layer (2081), and the N-type electrode (305) being embedded in the second bonding layer (2082).
H01L 27/15 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier, specially adapted for light emission
H01L 33/14 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
H01L 21/67 - 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
An anti-reflective coating composition, comprising an organic polymer. The organic polymer comprises a cross-linkable polymer. The cross-linkable polymer comprises a monomer unit formed by a monomer shown in Formula (I). Compared with the prior art, a cross-linkable polymer containing hydroxyl can be fully crosslinked with a cross-linking agent containing amino and/or alkoxy substituted amino at a relatively low baking temperature, so that the baking temperature of the anti-reflective coating composition is lowered, the generation of gas during baking the composition can be effectively prevented or reduced, and unnecessary cleaning procedures can be eliminated while reducing the risk of damage to the pattern due to falling of solids formed by gas condensation. In this way, a corresponding technological process can be simplified, costs can be reduced, and the yield and productivity can be increased.
G03F 7/11 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
C07C 33/38 - Alcohols containing six-membered aromatic rings and other rings and having unsaturation outside the aromatic rings
C07C 69/157 - Acetic acid esters of monohydroxylic compounds of unsaturated alcohols containing six-membered aromatic rings
C08F 12/32 - Monomers containing only one unsaturated aliphatic radical containing two or more rings
C08F 32/08 - Homopolymers or copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having condensed rings
The present application provides a method for transferring micro flip chips, comprising: providing a driving substrate and a temporary substrate, a plurality of micro flip chips being bonded to one surface of the temporary substrate; forming first bonding members on the surfaces of second electrical connecting members of the micro flip chips facing away from the temporary substrate, the first bonding members being made of a conductive adhesive; transferring the plurality of micro flip chips to the driving substrate, and connecting the second electrical connecting members of the micro flip chips and first electrical connecting members of the driving substrate by means of the first bonding members; testing the plurality of micro flip chips, and determining a defective pixel position of a defective chip on the driving substrate; and irradiating the first bonding member at the defective pixel position with laser, and removing the defective chip. The method can ensure stable bonding of the micro flip chips and the driving substrate, enables original bonding solder joints to continue to be used while preventing the first electrical connecting members from being damaged by laser irradiation, and has high defective chip removal efficiency.
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
H01L 33/48 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor body packages
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
22.
POLYMER AND PREPARATION METHOD THEREFOR, AND ANION-EXCHANGE MEMBRANE
121244 is selected from H or C1-C7 alkyl. A high-performance anion-exchange membrane having high ion conductivity, low swelling, and strong alkali resistance can be obtained from the polymer of the present application, and no noble metal catalyst is required in a synthesis method, which is environment-friendly and simple; the present application has a broad application prospect.
An electrochemical reaction device, comprising: an electrochemical device (2), comprising: a first polar plate (21) and a second polar plate (22) opposite to the first polar plate (21) in polarity; and a storage device (3) mounted on a frame (1). The storage device (3) comprises a storage part; the storage part is provided with a first accommodating cavity (311), a second accommodating cavity (312), a first fluid inlet (318) and a second fluid inlet (314); the first accommodating cavity (311) and the second accommodating cavity (312) form a communicating vessel structure and form a storage space for storing liquid required for an electrolytic reaction; the first fluid inlet (318) is communicated with the first accommodating cavity (311), and configured to introduce an electrolytic product of the first polar plate (21) into the first accommodating cavity (311); the second fluid inlet (314) is communicated with the second accommodating cavity (312), and configured to introduce an electrolytic product of the second polar plate (22) into the second accommodating cavity (312).
C25B 1/46 - Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
24.
MULTIFUNCTIONAL GROUP METAL CORROSION INHIBITOR, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
Provided is a multifunctional group metal corrosion inhibitor, as shown in one or more of formula (I-a) to formula (I-c). The metal corrosion inhibitor is a multifunctional group metal corrosion inhibitor comprising Schiff base or a derivative structure thereof, a catechol group, and a mercapto group. A plurality of active functional groups are introduced, so that the active adsorption site of the inhibitor can be increased, and the synergistic effect of three functional groups can enhance the adsorption effect of the inhibitor and a metal, and thus, the inhibitor is suitable for adsorption of a plurality of metals. Therefore, the inhibitor can exert high anti-corrosion efficiency under the condition of a low addition amount, and provides a protection effect for the plurality of metals.
C07D 277/66 - Benzothiazoles with only hydrocarbon or substituted hydrocarbon radicals attached in position 2 with aromatic rings or ring systems directly attached in position 2
C07C 251/24 - Compounds containing nitrogen atoms doubly- bound to a carbon skeleton containing imino groups having carbon atoms of imino groups bound to carbon atoms of six-membered aromatic rings
C07C 211/49 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton
25.
FLUORINE-FREE CLEANING AGENT, PREPARATION METHOD THEREFOR AND USE THEREOF
Provided in the present invention is a fluorine-free cleaning agent. The fluorine-free cleaning agent is a water-based cleaning agent. The fluorine-free cleaning agent comprises water, an organic solvent and an amine compound, wherein the mass of the organic solvent is 15-85% of the mass of the fluorine-free cleaning agent; and the mass of the amine compound is 5-50% of the mass of the fluorine-free cleaning agent. The fluorine-free cleaning agent further comprises one or more of a corrosion inhibitor, an acid compound and an alcohol compound. Compared with the prior art, by means of a synergistic effect of the specific amine compound and one or more of a corrosion inhibitor, an acid and an alcohol, the fluorine-free cleaning agent provided in the present invention has a good cleaning capacity under the condition that the fluorine element is not contained; in addition, corrosion of the cleaning agent to a metal can be further reduced, damage to a substrate medium is prevented, and the weather resistance of a cleaned wafer is improved. Compared with existing similar products, the fluorine-free cleaning agent provided in the present invention has the obvious advantages of reducing the cleaning temperature and the cleaning time, higher cost performance, etc.
222 to a cathode diffusion layer, and a platinum-containing catalyst is provided in the flow field of the cathode flow field plate. The electrochemical reaction device has the advantages of fast response, high purity of produced oxygen, flexibility, portability, safety in use, etc.
The present invention provides an anti-reflective coating composition, comprising an organic polymer. The organic polymer comprises a crosslinkable polymer. The crosslinkable polymer comprises a monomer unit formed by a monomer represented by formula (I), wherein R1is selected from substituted or unsubstituted C2-C10 alkenyl, and R2and R3 are each independently selected from H, substituted or unsubstituted C1-C6 alkyl, and substituted or unsubstituted C6-C20 aryl. Compared with the prior art, the crosslinkable polymer provided by the present invention comprises the monomer unit that can be self-crosslinked with functional groups such as hydroxyl, amino, and sulfydryl, such that a crosslinking agent does not need to be added to a coating, the generation of a gas in the baking process of the composition can be effectively solved or avoided, an unnecessary cleaning procedure is reduced, moreover, the risk that a pattern is damaged due to solid falling caused by gas condensation is reduced, the corresponding technological process can be simplified, and the cost is saved.
C09D 133/26 - Homopolymers or copolymers of acrylamide or methacrylamide
G03F 7/09 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
G03F 7/11 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
H01L 21/027 - Making masks on semiconductor bodies for further photolithographic processing, not provided for in group or
The present invention provides a method and reaction apparatus for electrochemical reduction of tin tetrachloride. The electrochemical reaction apparatus comprises: an anode assembly, the anode assembly comprising a first electrode, and the first electrode being configured to be in contact with an object to be oxidized; a cathode assembly, the cathode assembly comprising a second electrode, and the second electrode being configured to be in contact with an object to be reduced; a proton exchange membrane, the proton exchange membrane being provided between the cathode assembly and the anode assembly; and a power supply, the power supply being configured to apply a positive voltage between the anode assembly and the cathode assembly.
BEIJING ZIGUANG YINGLI CHEMICAL TECHNOLOGY CO., LTD. (China)
Inventor
Yin, Yingwu
Pi, Na
Guo, Wei
Yao, Min
Li, Jun
Yuan, Youzhu
Luo, Chuntao
Liu, Xiaozhou
Yin, Zhengqing
Shi, Xueqin
Zhang, Haishuang
Abstract
A mixed oxalate used as a diesel assistant and use thereof, and a clean diesel containing the mixed oxalate. The mixed oxalate is preferably methyl ethyl oxalate mixed ester mMEO, methyl butyl oxalate mixed ester mMBO, or methyl ethyl propyl butyl oxalate mixed ester mMAO; a binary oxygen-containing clean diesel that satisfies diesel performance requirements, and a ternary clean diesel represented by methyl ethyl oxalate mixed ester mMEO-n-butyl alcohol-diesel and mMEO-fatty acid monoglyceride-diesel are developed by using the mixed oxalate. The mixed oxalate can promote the clean and efficient utilization of petroleum-based diesel, non-petroleum-based diesel, and biodiesel.
patents
