Abstract:
PROBLEM TO BE SOLVED: To provide a positive photosensitive composition which is excellent in transparency and provides a permanent resist having such high heat resistance and chemical resistance after high-heat history that it is also used as an insulating film above an active matrix substrate, a permanent resist using the positive photosensitive composition and a method for producing the same. SOLUTION: The positive photosensitive composition includes (A) a silicone resin having at least two groups per molecule represented by general formula (1) (wherein, R 1 denotes a 1-10C alkylene group which may have a substituted hydrocarbon group, R 2 denotes a 1-4C alkyl group, a denotes an integer of 0 or 1-4, b denotes an integer of 1-3, and a+b does not exceed 5), (B) a siloxane compound having a glycidyl group, (C) diazonaphthoquinones and (D) an organic solvent. The permanent resist is produced by applying the positive photosensitive composition on a substrate and subjecting the resulting coating to exposure, alkali development and post-bake at 120-350°C. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a low dielectric thermosetting resin which can be formed at a low temperature, is excellent in heat resistance, and can lighten plasma displays. SOLUTION: Provided is a thermosetting resin prepared by hydrolyzing a compound (1) (wherein, R 1 to R 3 are each identically or differently a straight chain or branched chain 1 to 4C alkyl group; R 4 is H or a straight chain or branched chain 1 to 4C alkyl group) and a compound (2) (wherein, R 5 to R 8 are each identically or differently a straight chain or branched chain 1 to 4C alkyl group) in a (1):(2) molar ratio of 70:30 to 90:10, and having a mol.wt. of ≥10,000. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a curable resin composition which allows alkali development, yields a cured product excellent in adhesion and scratch resistance, and is useful as a hard coating material for an image display surface of an image display device.SOLUTION: Provided is a curable resin composition containing (A) a polyvalent alcohol acrylate compound, (B) a compound containing an acrylic group or methacrylic group and a carboxyl group in a molecule, (C) a siloxane compound containing a glycidyl group, and (D) a photo-radical generator. The (C) siloxane compound containing a glycidyl group is preferably a compound represented by the general formula (1) or (2), particularly a siloxane compound containing a 3-glycidoxypropyl group. The general formulas (1) and (2) are as described in the description of the claimed invention.
Abstract:
PROBLEM TO BE SOLVED: To provide a positive photosensitive composition which can provide a permanent resist which is excellent in terms of transparency, can also be used as an insulating film of an active matrix substrate and has high heat resistance and chemical resistance after high heat history and to provide a permanent resist using the positive photosensitive composition and a method for manufacturing the permanent resist.SOLUTION: A positive photosensitive composition includes as (A) component polysiloxane compound obtained by hydrolysis and condensation of a predetermined cyclic siloxane compound and a predetermined alkoxysilane compound such that silanol groups remain, as (B) component a compound with at least two epoxy groups, as (C) component diazonaphthoquinones and as (D) component an organic solvent.
Abstract:
PROBLEM TO BE SOLVED: To provide a method of manufacturing an optical waveguide that allows fine processing, has high surface accuracy, is manufactured in a simple process, and has an optical path conversion function. SOLUTION: The method of manufacturing the optical waveguide has the optical path conversion function of forming a core part using photo-curable resin or positive type photosensitive resin. The method of manufacturing the optical waveguide has a process of forming an optical path conversion mirror surface by continuously varying the irradiation amount of irradiation light to the photo-curable resin or positive type photosensitive resin. The optical waveguide is manufactured by the manufacturing method. Preferably, the optical waveguide has a clad part and the core part on a substrate or a support film. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a silicon-containing curable composition which eliminates cissing to have sufficient adhesion even to a polyimide resins and is suitably used as an electric or electronic material, particularly as a sealing medium for luminous elements. SOLUTION: The silicon-containing curable composition contains: a compound (H-2) having two or more Si-H groups in the molecule, obtained by the hydrosilylation of a compound (V-1) represented by formula (1) (wherein R 1 is a 2-10C organic group having a carbon-carbon double bond having reactivity with an Si-H group and R 2 is a 1-10C organic group) and a compound (H-1) having two or more Si-H groups in the molecule; a prepolymer (V-3) having two or more carbon-carbon double bonds having reactivity with an Si-H group in the molecule, obtained by the hydrosilylation of a cyclic siloxane compound (V-2) having two or more carbon-carbon double bonds reactive with an Si-H group in the molecule and/or the compound (V-2) and a compound (H-3) having two or more Si-H groups in the molecule; and a hydrosilylation catalyst. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a silicon-containing curable composition which is hardly discolored due to light deterioration or thermal deterioration and is made hard, to which dust is hardly stuck and which is useful as electric/electronic materials, particularly as a sealing agent for a light emitting element. SOLUTION: The silicon-containing curable composition contains: as a component (A), a prepolymer which is obtained by subjecting a cyclic siloxane compound having two or more Si-H groups in one molecule thereof and a trivinylcyclohexane compound to a hydrosilylation reaction by such a ratio that two or more Si-H groups remains in one molecule of the prepolymer and which has two or more Si-H groups in one molecule thereof; as a component (B), a cyclic siloxane compound having two or more carbon-carbon double bonds, each of which has reactivity with the Si-H group, in one molecule thereof; and as a component (C), a hydrosilylation catalyst. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a semiconductor device can attain high heat resistance and high voltage resistance and improve tight adhesiveness between a cover part for a semiconductor element and a support. SOLUTION: In a semiconductor device, a cover part 15 covering a GTO thyristor element 1 contains a silicon-containing polymer, including a bridged structure using siloxane (Si-O-Si binder) in one or more parts and is formed from a first silicon-containing curable composition containing a patina catalyst, that is a hardening reactive catalyst, and an iron group containing rust. Furthermore, the cover part 15 and a cover part 16, that covers an anode terminal 5 and a gate terminal 8 on a support 11, are formed from a second silicon-containing curable composition, in which alumina fine particles having a grain size of 20 μm are blended as insulated ceramics in the first silicon-containing curable composition at a volume filling factor of 50%. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a curable composition in which an obtained cured article is excellent in heat-resistance and flexibility. SOLUTION: The curable composition comprises a silicon-containing compound represented by general formula (0), and 0.01-20 pts.mass of an epoxy-curable compound based on 100 pts.mass of the compound. In general formula (0), Z is a group represented by any one of the formulae (2)-(6). COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a cyclosiloxane compound capable of giving a positive resist composition having excellent physical properties as a resist, and to provide a positive resist composition using the cyclosiloxane compound. SOLUTION: The cyclosiloxane compound is produced by the hydrosilylation of a compound expressed by formula (1) and/or a compound prepared by the hydrosilylation of the compound expressed by formula (1) with a divinyl compound expressed by formula (2): CH 2 =CH-R 2 -CH=CH 2 , and a compound expressed by formula (3): CH 2 =CR 3 -(R 4 ) h -T. COPYRIGHT: (C)2009,JPO&INPIT