Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

39results about How to "Excellent photosensitivity" patented technology

Transistor, Electronic Device Including Transistor, And Manufacturing Methods Thereof

A transistor may include an active layer having a plurality of oxide semiconductor layers and an insulating layer disposed therebetween. The insulating layer may include a material that has higher etch selectivity with respect to at least one of the plurality of oxide semiconductor layers. The electronic device may include a first transistor and a second transistor connected to the first transistor. The second transistor may include an active layer having a different structure from that of the active layer included in the first transistor. The active layer of the second transistor may have the same structure as one of the plurality of oxide semiconductor layers constituting the active layer of the first transistor.
Owner:SAMSUNG ELECTRONICS CO LTD

Novel sulfonic acid derivative compound and novel naphthalic acid derivative compound

Disclosed are a novel sulfonic acid derivative compound and a novel naphthalic acid derivative compound with high solubility in organic solvents, good light sensitivity, and suitability as a photoacid generator and a polymerization initiator. The sulfonic acid derivative compound is represented by formula (I) (wherein R01, R04, R05 and R06 represent a hydrogen atom, one of R02 and R03 represent a carbon number 4-18 alkoxy group which may be substituted with an alicyclic hydrocarbon group, a heterocyclic group or a halogen atom and which may have a branch, and R07 is a carbon number 1-18 aliphatic hydrocarbon group which may be substituted by a halogen atom and / or an alkylthio group carbon atoms).
Owner:ADEKA CORP

Positive type photosensitive resin composition

The present invention provides a positive photosensitive resin composition which can form a cured film excellent in process resistance such as heat resistance, solvent resistance or long-time baking resistance and transparency, and which is excellent in photosensitive properties such as resolution and sensitivity, and which has high storage stability and a wide process margin. Further, the present invention provides a positive photosensitive resin composition having such high reliability that no deterioration of electrical characteristics will be led in its application for liquid crystal display devices. A positive photosensitive resin composition characterized by comprising an alkali-soluble resin which is a copolymer essentially comprising an unsaturated carboxylic acid derivative and an N-substituted maleimide and which has a number average molecular weight of from 2,000 to 20,000, a 1,2-quinone diazide compound represented by the formula (1): (wherein each of D independently is a hydrogen atom or an organic group having a 1,2-quinone diazide group, R1 is a tetravalent organic group, provided that at least one of D is an organic group having a 1,2-quinone diazide group), and from 5 to 50 parts by weight, per the alkali-soluble resin, of a crosslinking compound represented by the formula (2): (wherein n is an integer of from 2 to 10, m is an integer of from 0 to 4, and R2 is a n-valent organic group).
Owner:NISSAN CHEM IND LTD

Photosensitive resin composition and cured product thereof

Disclosed is a photosensitive resin composition comprising a resin (A) soluble in an aqueous alkaline solution, a crosslinking agent (B), a photopolymerization initiator (C) and a curing agent (D) wherein the curing agent (D) is an epoxy compound obtained by glycidylating a compound containing not less than 80% of a tetraphenylethane derivative represented by the following formula (1). In the formula, R1 to R8 independently represents a hydrogen atom, a C1-C4 alkyl group or a halogen atom.
Owner:NIPPON KAYAKU CO LTD

Method for preparing lead selenide polycrystalline film on basis of oxygen ion beam assisted deposition

The invention provides a method for preparing a lead selenide polycrystalline film on the basis of oxygen ion beam assisted deposition. In order to solve the problem of incapability of accurately controlling the oxygen doping amount and depth distribution in the PbSe film preparation process by physical vapor deposition-atmosphere annealing combination, oxygen ion assisted surface bombarding is performed by an ion beam assisted deposition technique in a static mixing mode after the film growth finishes, and the film is subjected to subsequent vacuum annealing to prepare the PbSe polycrystalline film with favorable and stable photosensitivity. The method can accurately control the oxygen ion injecting amount and depth distribution, and separates the oxygen doping from the polycrystallization process, thereby enhancing the degree of freedom of process optimization. The preliminary characterization of optical I-V characteristic, SEM (scanning electron microscope), XRD (X-ray diffraction) and the like on the prepared sample indicates that the PbSe polycrystalline prepared by the method has favorable photoelectric properties and surface characteristics.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Manufacturing method of semiconductor process air bridge

The invention discloses a manufacturing method of a semiconductor process air bridge. The manufacturing method has the advantages that a sacrificial layer and back electrode patterns are manufacturing by LOR-series photoresist and AZ52-series photoresist, different types LOR photoresist and different photoresist smearing rotation speeds can be selected according to the different heights of steps, and single-layer and double-layer photoresist smearing can be used flexibly; due to the fact that the LOR-series photoresist is a non-photosensitive material and the AZ52-series photoresist is a photosensitive material, a line width structure is decided by the upper-layer AZ52-series photoresist, and the high-resolution and high-photosensitivity upper-layer AZ52-series photoresist can be applied to the high-step and small-line-width device structure.
Owner:无锡费曼科技有限公司

Optical recording dye of trimethyl-methane, and its prepn. method

A tri-methine optical record dye, its preparing process and its structure formula are disclosed. Its advantages are high photosensitivity, solubility, n and k values, purity and output rate.
Owner:HAIBO SCI & TECH BAODING

A fingerprint information acquisition method and a fingerprint identification device

The embodiment of the invention discloses a terminal display screen scanning method for optical fingerprint identification, which is used for improving the optical fingerprint identification performance. The method comprises the steps that if starting operation on a terminal screen is detected, a first vector set is obtained, the first vector set comprises A data vectors which are mutually orthogonal or mutually quasi-orthogonal, each data vector comprises a plurality of data elements, and A is an integer larger than 1;sequentially using the data elements in each data vector to control the minimum pixel unit in the fingerprint identification area to emit light, controlling light emission of all the minimum pixel units in the fingerprint identification area until light emission control of all the minimum pixel units in the fingerprint identification area is completed, so as to obtain a second vector set corresponding to the fingerprint identification area, and the second vector set carries fingerprint information; and demodulating the second vector set by using the first vector set to obtain all fingerprint information in the fingerprint identification area.
Owner:HUAWEI TECH CO LTD

Positive type photosensitive resin composition

The present invention provides a positive photosensitive resin composition which can form a cured film excellent in process resistance such as heat resistance, solvent resistance or long-time baking resistance and transparency, and which is excellent in photosensitive properties such as resolution and sensitivity, and which has high storage stability and a wide process margin. Further, the present invention provides a positive photosensitive resin composition having such high reliability that no deterioration of electrical characteristics will be led in its application for liquid crystal display devices.A positive photosensitive resin composition characterized by comprising an alkali-soluble resin which is a copolymer essentially comprising an unsaturated carboxylic acid derivative and an N-substituted maleimide and which has a number average molecular weight of from 2,000 to 20,000, a 1,2-quinone diazide compound represented by the formula (1):(wherein each of D independently is a hydrogen atom or an organic group having a 1,2-quinone diazide group, R1 is a tetravalent organic group, provided that at least one of D is an organic group having a 1,2-quinone diazide group), and from 5 to 50 parts by weight, per the alkali-soluble resin, of a crosslinking compound represented by the formula (2):(wherein n is an integer of from 2 to 10, m is an integer of from 0 to 4, and R2 is a n-valent organic group).
Owner:NISSAN CHEM IND LTD

Photosensitive resin composition, and stencil for screen printing using said photosensitive resin composition

To provide, without using harmful substances, a photosensitive resin composition having a high resolution and sensitivity, and exhibiting excellent water, solvent and abrasion resistance, and adhesion to a screen mesh. [Solution] A photosensitive resin composition characterized by comprising the following components A, B, and C: component A being a polyvinyl alcohol and / or a partially saponified polyvinyl alcohol; component B being a water-soluble photoreactive cross-linking agent; and component C being a silane coupling agent. A stencil for screen printing using the aforementioned photosensitive resin composition.
Owner:MURAKAMI CORP

Photosensitive resin composition, cured film, laminate, touch panel member, and method for manufacturing cured film

An object of the present invention is to provide a transparent photosensitive material that is usable as an interlayer insulating film for metal wires, is excellent in migration resistance and substrate adhesiveness under high temperature and high humidity conditions, and is satisfactory in patternability. The photosensitive resin composition of the present invention contains an acrylic polymer (A1) having, in a side chain thereof, a polymerizable group, a cardo based resin (A2) having a polymerizable group and an alkali-soluble group, and a photopolymerization initiator (B), and contents of the acrylic polymer (A1) and the cardo based resin (A2) satisfy a weight ratio of 1:10 to 10:1.
Owner:TORAY IND INC

Urethane acrylate, and reactive composition containing same

Provided are a urethane acrylate and a reactive composition containing the urethane acrylate, in each of which such a problem that the handling properties of the reactive composition is deteriorated and such a problem that the cure shrinkage rate of the reactive composition is increased can be improved, and each of which enables the improvement of curing properties and surface hardness. A urethane acrylate produced from an alkyleneoxide-modified dipentaerythritol (meth)acrylate having a structure represented by general formula (I) and a structure represented by general formula (II) is used. In the formulae, the average value of L, which represents the average polymerization degree of an alkylene oxide (AO) added, is greater than 0 and up to 5; the average value of m is greater than 0 and up to 6; the average value of n is 0 or greater and smaller than 6; the average value of o is 0 to 6 inclusive; the sum total of m, n and o is 6; and R2 represents a hydrogen atom or a methyl group.
Owner:DAI ICHI KOGYO SEIYAKU CO LTD

Iodoargentate photochromic material with quick response and multiple-color change

The invention relates to the field of synthesis of organic-inorganic hybridized color-change materials and particularly relates to a methylated imidazopyridazine iodoargentate photochromic material with quick response and multiple-color change on the basis of a dual mechanism, i.e., intermolecular electron transfer and photodecomposition of an inorganic constituent, i.e., iodoargentates, a preparation method for the photochromic material and an application of the photochromic material. A methylated imidazopyridazine iodoargentate hybrid has a chemical formula of {[C7H8N3]2[Ag5I7]}n, wherein [C7H8N3]<+> is a methylated imidazopyridazine cation, and [Ag5I7]n<n-> is a 1D anion chain. According to the photochromic material, the methylated imidazopyridazine iodoargentate photochromic material with quick response and wide-range color change is provided through taking an electron-deficient methylated imidazopyridazine cation as an electron acceptor and taking an iodoargentate anion skeleton with excellent photosensitive characteristic as an electron donor, and these electron donor-acceptor hybrids with semiconductor characteristics are endowed with new functions, i.e., quick response andmultiple-color change.
Owner:ZHENGZHOU RUIQIANG EXPERIMENTAL EQUIP CO LTD

Touch panel, manufacturing method thereof, and touch display device

A touch panel, a method for fabricating the same and a touch display device are disclosed. The touch panel includes touch units, each of which includes: a capacitor having a first terminal connected to a first bias voltage; a first transistor having an amorphous silicon active layer, one of a source and a drain of the first transistor is connected to a third bias voltage and the other is connected to a second terminal of the capacitor; a second transistor having an oxide semiconductor active layer, a gate of the second transistor is connected to a scan line, one of a source and a drain of the second transistor is connected to the second terminal of the capacitor and the other is connected to a data line. The touch panel further includes a light-shielding layer; an aperture portion is disposed on a part of the light-shielding layer.
Owner:BOE TECH GRP CO LTD

Method for growing seedlings from solanaceous seeds

The invention relates to the technical field of solanaceous seedling growing, in particular to a method for growing seedlings from solanaceous seeds. The method includes steps of S1, pretreating the seeds, to be more specific, mixing the solanaceous seeds with yellow loam with fermentation broth, then wrapping the solanaceous seeds with preservative films and allowing the solanaceous seeds to stand still for 1-2 days; S2, accelerating germination, to be more specific, placing the solanaceous seeds in indoleacetic acid solution to carry out magnetic field treatment, then placing the solanaceousseeds in naphthylacetic acid solution to carry out magnetic field treatment, then placing the solanaceous seeds in spermidine solution to carry out magnetic field treatment, ultimately placing the solanaceous seeds in sodium alginate solution to carry out magnetic field treatment, further adding drained seeds into the solanaceous seeds, and carrying out soil sowing culture until 2 cotyledons growon each seedling; S3, growing the seedlings, to be more specific, transferring each seedling with the two grown cotyledons into a nutrition bowl, carrying out seedling growing culture on each seedling until 6-8 true leaves grow on the seedling, then transplanting the seedlings in fields and carrying out field planting. The method has the advantages that the young seedlings are high in transplanting survival rate when the method is used for growing the seedlings from the solanaceous seeds; the seedlings are high in growth vigor and disease resistance, have developed root systems and are high in adaptability after being transplanted.
Owner:彭江龙

Method for producing α-form titanylphthalocyanine and electrophotographic photoreceptor comprising α-form titanylphthalocyanine

The present invention relates to a method for producing an α-form titanylphthalocyanine represented by the formula (1):which has a peak at a Bragg angle (2θ±0.2°) in X-ray diffraction spectrum with CuK α-ray: 7.5°, 10.2°, 12.6°, 13.2°, 15.1°, 16.3°, 17.3°, 18.3°, 22.5°, 24.2°, 25.3° and 28.6°, wherein the method includes steps of:(I) subjecting a crude titanylphthalocyanine having an α-form polymorph to an acid pasting treatment, and then filtering and washing with water to give a water-containing wet cake, and then subjecting the wet cake to drying and crushing to give a low crystalline titanylphthalocyanine;(II) adding a dispersing aid to the low crystalline titanylphthalocyanine and dispersing at room temperature, in DMF, to prepare a polymorph; and(III) filtering, washing, and drying under a reduced pressure.
Owner:ORIENT CHEM INDS

Back-lighting-type near-infrared pixel unit and manufacturing method thereof

The invention discloses a manufacturing method of a back-lighting-type near-infrared pixel unit. The method comprises the following steps of S01, preparing a substrate, epitaxially generating a firstepitaxial layer on a surface of the substrate, and forming a first alignment mark on the surface of the first epitaxial layer; S02, epitaxially generating a second epitaxial layer on the surface of the first epitaxial layer, and forming a second alignment mark aligned with the first alignment mark on the surface of the second epitaxial layer; S03, repeating the step S02 till that an Nth epitaxiallayer and an Nth alignment mark are generated; S04, forming a front device on the surface of the Nth epitaxial layer; S05, inverting the substrate, and bonding the front device with slide glass; and S06, removing the substrate, and exposing the first epitaxial layer; and forming a back device on the surface of the exposed first epitaxial layer, wherein the back device is aligned with the front device through the first epitaxial layer, the second epitaxial layer until the Nth epitaxial layer. By using the back-lighting-type near-infrared pixel unit and the manufacturing method thereof, a thickness of the epitaxial layer of the back-lighting-type near-infrared pixel unit can be increased.
Owner:CHENGDU LIGHT COLLECTOR TECH

Electrophotographic photoreceptor and image forming device

The invention provides an electrophotographic photoreceptor and an image forming device. The electrophotographic photoreceptor contains a terphenylquinone derivative represented by the following general formula (1). [Chemical formula 1] In the above general formula (1), R1 to R5 are the same or different, represent a hydrogen atom, an alkyl group with a carbon number of 1 to 12, and have or do not have a carbon number of 1 or more and The alkyl group having 12 or less is an aryl group having 6 to 12 carbon atoms, an aralkyl group having 6 to 12 carbon atoms, a cycloalkyl group having 3 or more and 10 or less carbon atoms, or an alkoxy group having 2 to 6 carbon atoms.
Owner:KYOCERA DOCUMENT SOLUTIONS INC

Method for making multi-step photodiode junction structure for backside illuminated sensor

The present invention provides a backlight image sensing device, comprising: a substrate; a first doped region located in the substrate; and a second doped region located in the substrate and above the first doped region, wherein The first doped region preferably reaches more than 50% of the thickness of the substrate. The present invention also provides a method for manufacturing a backlight image sensing device, comprising: preparing a substrate; performing a first ion implantation on the substrate to form a first doped region in the substrate; forming a polysilicon layer on the substrate and performing second ion implantation on the substrate to form a second doped region above the first doped region, wherein the first doped region is as deep as 50% or more of the thickness of the substrate. The invention can improve the photosensitive characteristics of the sensing device without affecting the performance of each component therein.
Owner:TAIWAN SEMICON MFG CO LTD

A kind of flexible film type pedot-zno ultraviolet light detector and preparation method thereof

InactiveCN105244440BExcellent photoconductive response characteristicsElimination of interface barriersSolid-state devicesSemiconductor/solid-state device manufacturingPhotodetectorUltraviolet lights
The present invention relates to a kind of flexible film type PEDOT-ZnO ultraviolet photodetector and preparation method thereof, and this ultraviolet photodetector is photoconductive type ultraviolet photodetector, comprises flexible photosensitive film and the electrode on film; Specifically, described The flexible photosensitive film is a PEDOT-ZnO film spin-coated on a transparent flexible plastic film, and the ratio of PEDOT and ZnO is 7:1 in terms of mass ratio. The electrode is an Au / Ti interdigitated electrode; there is a potential barrier between pure PEDOT and ZnO materials, which has a serious impact on the photoconductive properties of the composite material system of the two. The doping of engineering design eliminates the original interface barrier between the two, so that the PEDOT-ZnO flexible thin-film ultraviolet photodetector has excellent photoconductive response characteristics.
Owner:CHANGAN UNIV

Diamine compound, resin, photosensitive resin composition, and cured film

The invention discloses a diamine compound, resin, a photosensitive resin composition and a cured film, and relates to the technical field of photosensitive resin materials. The general formula of the diamine compound is as shown in formula (1), wherein R represents a straight bond,-O-or an organic group with 1-20 carbon atoms; r0 is an organic group comprising a sulfonic acid group, a sulfonyl group or a thioether group, and R1 represents H or alkyl with the carbon atom number of 1-3; r2 is H, alkyl with 1-20 carbon atoms or an organic group containing O, S, N and Si; i is an integer greater than or equal to 1. The diamine compound provided by the invention simultaneously contains cross-linking groups such as alkoxy or hydroxymethyl and functional groups such as sulfuryl or sulfonic acid group, and the diamine compound provided by the invention is introduced into photosensitive resin, so that the photosensitive resin is good in photosensitive property and excellent in mechanical and thermal properties.
Owner:武汉柔显科技股份有限公司 +1

A fast-response and multiple-color-changing iodosilvermate photochromic material

The invention relates to the field of synthesis of organic-inorganic hybridized color-change materials and particularly relates to a methylated imidazopyridazine iodoargentate photochromic material with quick response and multiple-color change on the basis of a dual mechanism, i.e., intermolecular electron transfer and photodecomposition of an inorganic constituent, i.e., iodoargentates, a preparation method for the photochromic material and an application of the photochromic material. A methylated imidazopyridazine iodoargentate hybrid has a chemical formula of {[C7H8N3]2[Ag5I7]}n, wherein [C7H8N3]<+> is a methylated imidazopyridazine cation, and [Ag5I7]n<n-> is a 1D anion chain. According to the photochromic material, the methylated imidazopyridazine iodoargentate photochromic material with quick response and wide-range color change is provided through taking an electron-deficient methylated imidazopyridazine cation as an electron acceptor and taking an iodoargentate anion skeleton with excellent photosensitive characteristic as an electron donor, and these electron donor-acceptor hybrids with semiconductor characteristics are endowed with new functions, i.e., quick response andmultiple-color change.
Owner:ZHENGZHOU RUIQIANG EXPERIMENTAL EQUIP CO LTD

METHOD FOR PRODUCING alpha-FORM TITANYLPHTHALOCYANINE AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR COMPRISING alpha-FORM TITANYLPHTHALOCYANINE

ActiveUS20090042116A1Excellent photosensitive characteristicLow crystallization degreeGroup 4/14 organic compounds without C-metal linkagesReactive dyesTitaniumGreek letter alpha
The present invention relates to a method for producing an α-form titanylphthalocyanine represented by the formula (1):which has a peak at a Bragg angle (2θ±0.2°) in X-ray diffraction spectrum with CuK α-ray: 7.5°, 10.2°, 12.6°, 13.2°, 15.1°, 16.3°, 17.3°, 18.3°, 22.5°, 24.2°, 25.3° and 28.6°, wherein the method includes steps of:(I) subjecting a crude titanylphthalocyanine having an α-form polymorph to an acid pasting treatment, and then filtering and washing with water to give a water-containing wet cake, and then subjecting the wet cake to drying and crushing to give a low crystalline titanylphthalocyanine;(II) adding a dispersing aid to the low crystalline titanylphthalocyanine and dispersing at room temperature, in DMF, to prepare a polymorph; and(III) filtering, washing, and drying under a reduced pressure.The present invention consists in a provision of a method for conveniently producing the α-form titanylphthalocyanine having a peak at a Bragg angle (2θ±0.2°) in X-ray diffraction spectrum with CuK α-ray: 7.5°, 10.2°, 12.6°, 13.2°, 15.1°, 16.3°, 17.3°, 18.3°, 22.5°, 24.2°, 25.3° and 28.6°, wherein a crude titanylphthalocyanine having an α-form polymorph is used as a starting material, as well as a provision of an electrophotographic photoreceptor comprising a charge generating material of the α-form titanylphthalocyanine which has excellent photosensitive characteristics.
Owner:ORIENT CHEM INDS

Imide-Urethane Resin, Photosensitive Resin Composition Including the Same and Cured Product

[PROBLEMS] To provide a photosensitive resin composition which has excellent photosensitivity and gives a cured product reduced in warpage and excellent in flexing properties, adhesion, pencil hardness, solvent resistance, acid resistance, heat resistance, resistance to gold plating, etc.[MEANS FOR SOLVING PROBLEMS] A urethane resin (A) soluble in aqueous alkali solutions and curable with active energy rays which is obtained by reacting a diisocyanate compound (a) with a tetrabasic acid dianhydride (b) to obtain a compound (E), reacting the compound (E) with a hydroxylated compound (c) having an unsaturated group and optionally with a hydroxylated compound (d) other than the compound (c) to obtain a compound (F), and further reacting hydroxy groups of the compound (F) with a diisocyanate compound (e).
Owner:NIPPON KAYAKU CO LTD

Self-bias photoelectric detector and preparation method and application thereof

The invention discloses a self-bias photoelectric detector and a preparation method and application thereof. The self-bias photoelectric detector comprises a substrate and a photoelectric structure fixed on the substrate, and the photoelectric structure comprises a photosensitive semiconductor layer, a blocking semiconductor layer and a counter electrode thin film layer. The photosensitive semiconductor layer is an n-type semiconductor material layer formed by cadmium sulfide; the barrier semiconductor layer is an n-type semiconductor material layer formed by titanium dioxide and / or metal-doped titanium dioxide. According to the self-bias photoelectric detector, cadmium sulfide is adopted as the photosensitive semiconductor layer, titanium dioxide and / or metal-doped titanium dioxide are / is adopted as the blocking semiconductor layer, the CdS layer has good photosensitive characteristics, and the CdS layer is matched with titanium dioxide to form a semiconductor junction, so that the leakage current can be reduced, and the photoelectric response effect can be improved. The self-bias photoelectric detector has the advantages of high reliability, low forward working voltage and high light extraction efficiency.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL

Bath towel capable of being kept dry easily

The invention relates to the technical field of household textiles, and discloses a bath towel capable of being kept dry easily. A backing material is made from polyester fibers, graphite fibers, bamboo fibers and modal fibers; loops are made from bamboo fibers, cotton fibers, milk fibers and down feathers; and the polyester fibers are pigment-modified polyester fibers which are prepared by the following processes: soaking the polyester fibers in a sodium hydroxide solution, washing the soaked polyester fibers by virtue of de-ionized water and drying the polyester fibers; adding a pigment mixture and lac to ethanol so as to prepare modifying liquid; and soaking the polyester fibers in the modifying liquid and conducting aeration-drying, and then keeping the polyester fibers at minus 10 DEG C for 10min and keeping the polyester fibers at 60 DEG C for 10min, wherein by processing the polyester fibers at the high temperature (60 DEG C) and the low temperature (minus 10 DEG C) alternately for 3-5 times, the pigment-modified polyester fibers are obtained. By virtue of pigment attached to the polyester fibers, light is absorbed and the light is converted into heat energy, so that evaporation of water on the surface of the bath towel is promoted, and the bath towel is dewatered and dried; in addition, growth of bacteria in the surface of the bath towel is inhibited; and meanwhile, the pigment cannot be eluted easily and can attach to the bath towel firmly, so that a lasting drying capacity of the bath towel is guaranteed.
Owner:南通咖乐纺织科技有限公司

Photosensitive resin composition, photosensitive resin film, multilayer printed wiring board, semiconductor package, and method for producing multilayer printed wiring board

The present invention provides: a photosensitive resin composition which has both excellent photosensitive characteristics and excellent removability from a support film; a photosensitive resin composition for photo via formation; and a photosensitive resin composition for interlayer insulating layers. The present invention also provides: a photosensitive resin film and a photosensitive resin film for interlayer insulating layers, each of which is formed from the above-described photosensitive resin composition; a multilayer printed wiring board; a semiconductor package; and a method for producing the multilayer printed wiring board. The above-described photosensitive resin composition specifically contains (A) a photopolymerizable compound having an ethylenically unsaturated group, (B) a photopolymerization initiator and (C) a thermosetting resin; the photopolymerizable compound (A) having an ethylenically unsaturated group contains (A1) a photopolymerizable compound that has an acidic substituent and an alicyclic skeleton together with an ethylenically unsaturated group; the thermosetting resin (C) contains (C1) a thermosetting resin that has an alicyclic skeleton; and the content of component (C1) is 10 parts by mass or more relative to 100 parts by mass of component (A).
Owner:RESONAC CORPORATION

A method for preparing polycrystalline lead selenide thin films based on oxygen ion beam assisted deposition

A method for preparing lead selenide polycrystalline thin films based on oxygen ion beam assisted deposition proposed by the present invention aims at the incorporation amount and depth of oxygen that cannot be accurately controlled in the PbSe thin film prepared by the current physical vapor deposition combined with atmosphere annealing method distribution problem, use ion beam assisted deposition technology, adopt static mixing method, carry out oxygen ion assisted bombardment on the surface after the film growth is completed, and then perform subsequent vacuum annealing on the film to prepare PbSe polycrystalline with good photosensitive properties and stability film. This method can precisely control the implantation dose and depth distribution of oxygen ions, and separates the oxygen doping from the polycrystallization process to increase the freedom of process optimization. The optical I-V characteristics, SEM, XRD and other preliminary characterizations of the prepared samples show that the PbSe polycrystalline thin film prepared by this method has good photoelectric properties and surface properties.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

a ch-based 3 no 3 pbi 3 and al 2 o 3 Mos capacitive photosensitive device of material and preparation method thereof

The present invention relates to a CH-based 3 NH 3 PB 3 and Al 2 o 3 MOS capacitive photosensitive device of the material and its preparation method. Wherein, the preparation method includes the steps of: growing Al on the first surface of the substrate 2 o 3 material to form a gate dielectric layer; growing CH on the gate dielectric layer 3 NH 3 PB 3 materials to form a light absorbing layer; growing a first electrode on the light absorbing layer; growing a second electrode on the second surface of the substrate. The embodiment of the present invention MOS capacitive photosensitive device adopts Al 2 o 3 material as the gate dielectric layer, Al 2 o 3 The material is a high-K gate dielectric material. The high-K gate dielectric material makes the device almost non-conductive under dark state conditions, so that the current between the first electrode and the second electrode in the dark state is extremely small, and the gate leakage current is greatly reduced. , reduces the power consumption of the device, improves the photosensitive characteristics of the device, is conducive to reducing the characteristic size of the MOS device, and realizes the miniaturization design of the MOS device.
Owner:XIDIAN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products