Abstract: An iodized aromatic carboxylic acid type pendant-containing polymer is provided. A resist composition comprising the same offers a high sensitivity and is unsusceptible to nano-bridging, pattern collapse or residue formation, independent of whether it is of positive or negative tone.
Abstract: Provided are titanium oxide particles having a higher photocatalytic activity as compared to the conventional ones; a dispersion liquid thereof; a photocatalyst thin film formed using such dispersion liquid; a member having such photocatalyst thin film on its surface; and a method for producing the titanium oxide particle dispersion liquid. The titanium oxide particles are those with a titanium component and a silicon component being adhered to the surfaces thereof, wherein a molar ratio of the titanium component to titanium oxide (TiO2/Ti) is 10 to 10,000, and a molar ratio of the silicon component to titanium oxide (TiO2/Si) is 1 to 10,000; and the titanium oxide particle dispersion liquid is one with such titanium oxide particles being dispersed in an aqueous dispersion medium.
Abstract: A curable coating composition including: (A) organopolysiloxane represented by general formula (1), R1aR2bR3cSiO(4-a-b-c)/2 ??(1) wherein R1 represents alkyl group, etc., R2 represents hydroxy group, alkoxy group, etc., and R3 represents silicone compound residue represented by general formula (4), wherein R7 represents alkyl group, etc., x is integer of 1?x?5, and y is integer of 0?y?500, “a” is number of 1.0?a?2.5, “b” is number of 0.001?b?1.5, and “c” is number of 0?c?1.5; (B) polysiloxanediol represented by general formula (5) and/or alkoxy equivalent thereof, wherein R8 represents alkyl group, etc., R9 represents hydrogen atom, methyl group, or ethyl group, and “m” is integer of 4?m?50; and (C) condensation curing catalyst. This provides organopolysiloxane-containing composition for coating to yield cured product that achieves hardness and bending resistance, and has appearance of low friction on coated surface, good touch feel, and excellent safety.
Abstract: A resist composition comprising a sulfonimn salt of a weak acid having an acid labile group of aromatic group-containing tertiary ester type in its cation exhibits a high sensitivity and reduced LWR or improved CDU.
Abstract: The present invention relates to a process for preparing a 3-isopropenyl-6-heptenal compound of the following formula (2): wherein R1 represents a hydrogen atom or a methyl group, the process comprising: subjecting a 3-isopropenyl-6-heptenoate ester compound of the following formula (1): wherein R1 is as defined above, and R2 represents a monovalent hydrocarbon group having 1 to 10 carbon atoms, to a reduction reaction with a reducing agent to form the 3-isopropenyl-6-heptenal compound (2).
Abstract: There are provided a method for producing a magnetic refrigeration material whose magnetic transition temperature can be adjusted with high accuracy, and a magnetic refrigeration material whose magnetic transition temperature has been adjusted with high accuracy. The magnetic refrigeration material production method of the present invention includes the steps of: preparing a first predetermined magnetic refrigeration material and a second predetermined magnetic refrigeration material which differs from the first magnetic refrigeration material; and mixing the first magnetic refrigeration material and the second magnetic refrigeration material to obtain a third magnetic refrigeration material.
Abstract: A resist composition comprising a quencher and an acid generator is provided. The quencher is a compound having a nitro-substituted aromatic group, a heterocyclic amine structure, and an acid labile group-substituted carboxy group in its molecule. The resist composition has a high sensitivity and forms a pattern with improved LWR or CDU, independent of whether it is of positive or negative tone.
Abstract: A negative photosensitive resin composition having a high resolution, mechanical strength, adhesion and the like, as well as excellent storage stability.
Abstract: The objective of the present invention is to provide an emulsion composition that can be used as a seasoning agent for frozen foods even when not containing an egg or an allergenic substance. The objective can be achieved by an emulsion composition comprising a methylcellulose mixture composed of two or more types of methylcelluloses whose viscosities are different from one another, wherein the methylcellulose mixture has a viscosity of 300 mPa·s to 10,000 mPa·s when measured with a viscometer at 20° C. using a 2% by mass aqueous solution, and the methylcellulose mixture has a loss tangent equal to or less than 2.5 when measured with a rheometer at 60° C. under the condition of being a frequency of 1 Hz and a strain of 1% using a 2% by mass aqueous solution; and the like.
Abstract: A polyether-polysiloxane crosslinked rubber spherical particle including an addition-reaction product of a composition containing: (A) a polyether having at least two aliphatic unsaturated groups per molecule; (B) an organohydrogenpolysiloxane shown by the following formula (1), where 0<1?1000, 2?m?1000, 0?n?1000, R1 represents a hydrogen atom, a monovalent hydrocarbon group having 1 to 12 carbon atoms that is unsubstituted or is substituted with a halogen atom, or an alkoxy group, and R2 represents a monovalent hydrocarbon group having 1 to 20 carbon atoms, the organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms per molecule; and (C) a hydrosilylation-reaction catalyst. This can provide rubber spherical particles and composite particles that exhibit excellent dispersibility in an aqueous composition and exhibit degradation characteristics in response to external stimuli; and methods for manufacturing the particles.
Abstract: In a sintered rare-earth magnet containing R2T14B main-phase grains (R being one or more element selected from rare-earth elements and T being one or more element selected from iron group elements), intergranular grain boundaries that from between two mutually adjoining main-phase grains and grain boundary triple junctions surrounded by three or more main-phase grains, the main-phase grains, the intergranular grain boundaries and the grain boundary triple junctions all include TiB2 crystals. The sintered rare-earth magnet is a to high-performance magnet of high coercivity and good squareness.
Abstract: An addition-curing silicone pressure-sensitive adhesive composition which contains no noncrosslinking organopolysiloxane resin and comprises 100 parts by mass of (A) an organopolysiloxane having, in the molecule, at least two alkenyl groups which combine with silicon atoms and having a 25° C. viscosity of 0.01-1,000 Pa·s, 5-500 parts by mass of (B) an organopolysiloxane resin having an alkenyl group, (C) an organohydrogenpolysiloxane having, in the molecule, two or more silicon-atom-bonded hydrogen atoms, the amount of (C) being such that the amount of the silicon-atom-bonded hydrogen atoms contained in the (C) component is 0.1-5.0 times by mole the total amount of all the silicon-atom-bonded alkenyl groups contained in the composition, and (D) a catalyst based on a platinum-group metal. The addition-curing silicone pressure-sensitive adhesive composition has excellent tackiness as a temporary fixer and gives cured objects with very little component migration.
Abstract: A method of manufacturing a composite substrate that includes bonding a silicon (Si) wafer having an interstitial oxygen concentration of 2 to 10 ppma to a piezoelectric material substrate as a support substrate, and thinning the piezoelectric material substrate after the bonding. The piezoelectric material substrate is particularly preferably a lithium tantalate wafer (LT) substrate or a lithium niobate (LN) substrate.
Abstract: A solar cell including: a semiconductor substrate having a first conductivity type; a first conductivity type layer having a conductivity type equal to the first conductivity type and a second conductivity type layer having a second conductivity type opposite to the first conductivity type, which are located on a first main surface of the substrate; a first collecting electrode on the first conductivity type layer located on the first main surface; and a second collecting electrode on the second conductivity type layer located on the first main surface. In the solar cell, a second conductivity type layer having the second conductivity type is formed on a side surface of the semiconductor substrate and continuously from the second conductivity type layer located on the first main surface. Consequently, it is possible to provide a solar cell having excellent conversion efficiency and being capable of efficiently collecting carriers.
Abstract: The present invention provides a bio-electrode composition including: (A) an ionic material; and (B) a resin other than the component (A); wherein the component (A) contains both of a repeating unit-a having a structure of any of silver salts of fluorosulfonic acid, fluorosulfonimide, and fluorosulfonamide; and a repeating unit-b having silicon. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light in weight, manufacturable at low cost, and free from large lowering of the electric conductivity even when it is wetted with water or dried. The present invention also provides a bio-electrode in which the living body contact layer is formed from the bio-electrode composition, and a method for manufacturing the bio-electrode.
Type:
Grant
Filed:
March 12, 2019
Date of Patent:
October 31, 2023
Assignee:
SHIN-ETSU CHEMICAL CO., LTD.
Inventors:
Jun Hatakeyama, Osamu Watanabe, Koji Hasegawa, Motoaki Iwabuchi, Yasuyoshi Kuroda
Abstract: The present invention is a low dielectric resin substrate, which is a composite including an annealed quartz glass cloth and an organic resin, where the annealed quartz glass cloth has a dielectric loss tangent of less than 0.0010 at 10 GHz, and tensile strength of 1.0 N/25 mm or more per cloth weight (g/m2). This provides a resin substrate that includes a quartz glass cloth which has a low dielectric loss tangent and which is also excellent in tensile strength.
Abstract: An epitaxial wafer for an ultraviolet light emitting device, including, a heat-resistant first support substrate, a planarization layer with a thickness of 0.5 to 3 ?m on at least upper surface of the first support substrate, a group III nitride single crystal seed crystal layer with a thickness of 0.1 to 1.5 ?m, bonds to upper surface of the planarization layer by bonding, on the seed crystal layer, an epitaxial layer including at least a first conductivity type cladding layer containing AlxGa1-xN (0.5<x?1) as a main component, an AlGaN-based active layer, and a second conductivity type cladding layer containing AlyGa1-yN (0.5<y?1) as a main component being laminated and grown in order. Thus, an epitaxial wafer for an ultraviolet light emitting device enables high quality light emitting devices in the deep ultraviolet region (UVC: 200 to 250 nm) to be manufactured at a lower cost than before.
Type:
Application
Filed:
August 26, 2021
Publication date:
October 26, 2023
Applicants:
SHIN-ETSU HANDOTAI CO., LTD., SHIN-ETSU CHEMICAL CO., LTD.
Abstract: A chemically amplified positive resist composition is provided comprising (A) an acid diffusion-controlling agent in the form of an onium salt compound having a specific phenoxide anion, (B) a polymer comprising specific repeat units and adapted to be decomposed under the action of acid to increase its solubility in alkaline developer, and (C) a photoacid generator. A resist pattern with a high resolution, reduced LER, and improved CDU is formed. Because of minimal defects, the resist pattern can be inspected with light of short wavelength 300-400 nm.
Abstract: Provided is a method for producing a cured product of a heat-curable maleimide resin composition, that causes no curing failure and no appearance failure associated therewith. The method is for producing a cured product of a heat-curable maleimide resin composition containing: (A) a maleimide compound having at least one dimer acid frame-derived hydrocarbon group per molecule; and (B) a radical polymerization initiator, wherein the method includes: a laminating step of obtaining a laminate by laminating a release sheet, a resin layer made of the heat-curable maleimide resin composition, and a base material, in such order; and a curing step of heating the laminate to a temperature at which the heat-curable maleimide resin composition of the resin layer cures, without removing the release sheet of the laminate.
Abstract: Provided is an ultraviolet curable silicone composition capable of being ejected via inkjet ejection. The ultraviolet curable silicone composition contains: (A) a one-end polymerizable organopolysiloxane represented by the following formula (1) wherein each of R1, R2, R3, R4 and R5 independently represents a linear or branched alkyl group having 1 to 20 carbon atoms, or an aryl-containing group having 6 to 10 carbon atoms; R6 represents a divalent organic group having 2 to 20 carbon atoms; R7 represents an alkylene group having 2 to 20 carbon atoms; R8 represents a hydrogen atom or a methyl group; n is a number of 1 to 500; X represents an alkylene group having 2 to 20 carbon atoms; Y represents —OCH2CH2—, —OCH(CH3)CH2— or —OCH2CH(CH3)—; p is a number of not smaller than 1; Z is —O— or —NH—; and (B) a photopolymerization initiator.