855 patents
Page 19 of 43
Utility
Sulfonium compound, resist composition, and patterning process
4 Jan 22
A resist composition comprising a sulfonium compound of specific structure as PAG has excellent lithography performance factors such as minimal defects, high sensitivity, improved LWR and CDU, and is a quite effective resist material for precise micropatterning.
Takayuki Fujiwara, Ryo Mitsui, Masaki Ohashi, Ryosuke Taniguchi, Koji Hasegawa
Filed: 22 Aug 18
Utility
SiC composite substrate and method for manufacturing same
28 Dec 21
Provided is an SiC composite substrate 10 having a monocrystalline SiC layer 12 on a polycrystalline SiC substrate 11, wherein: some or all of the interface at which the polycrystalline SiC substrate 11 and the monocrystalline SiC layer 12 are in contact is an unmatched interface I12/11 that is not lattice-matched; the monocrystalline SiC layer 12 has a smooth obverse surface and has, on the side of the interface with the polycrystalline SiC substrate 11, a surface that has more pronounced depressions and projections than the obverse surface; and the close-packed plane (lattice plane 11p) of the crystals of the polycrystalline SiC in the polycrystalline SiC substrate 11 is randomly oriented with reference to the direction of a normal to the obverse surface of the monocrystalline SiC layer 12.
Yoshihiro Kubota, Shoji Akiyama, Hiroyuki Nagasawa
Filed: 15 Jan 20
Utility
Transparent complex oxide sintered body, manufacturing method thereof, and magneto-optical device
28 Dec 21
A transparent complex oxide sintered body is manufactured by sintering a compact in an inert atmosphere or vacuum, and HIP treating the sintered compact, provided that the compact is molded from a source powder based on a rare earth oxide: (TbxY1-x)2O3 wherein 0.4≤x≤0.6, and the compact, when heated in air from room temperature at a heating rate of 15° C./min, exhibits a weight gain of at least y % due to oxidative reaction, y being determined by the formula: y=2x+0.3.
Shinji Aoki, Keita Tanaka
Filed: 28 Feb 19
Utility
Polymer compound for conductive polymer and method for producing same
28 Dec 21
Jun Hatakeyama, Takayuki Fujiwara, Koji Hasegawa, Takayuki Nagasawa
Filed: 29 May 20
Utility
Addition-curable silicone resin composition and a semiconductor device
28 Dec 21
An addition-curable silicone resin composition which exhibits good adhesion to a substrate and has good compatibility with an inorganic filler, as well as a cured product thereof and a highly reliable semiconductor device encapsulated with the cured product, are provided.
Tomoyuki Mizunashi
Filed: 31 Jul 19
Utility
Carbonate-containing silane compound and making method
21 Dec 21
Provided is a carbonate-containing silane compound having a characteristic structure that at least two silicon atoms are linked by a carbon chain.
Shotaro Aoki, Yoichi Tonomura, Yasufumi Kubota, Ayumu Kiyomori
Filed: 29 May 19
Utility
Polysiloxane and method for producing same
21 Dec 21
Kazuyuki Negishi, Yuji Yoshikawa
Filed: 13 Nov 18
Utility
Bissilylamino group-containing organic polysilazane compound, method for producing same, and composition containing same and cured product
21 Dec 21
Masato Kawakami, Ayumu Kiyomori
Filed: 16 Apr 20
Utility
Chemically amplified resist composition and patterning process
21 Dec 21
A chemically amplified resist composition comprising a quencher containing an ammonium salt of an iodized or brominated aromatic ring-bearing carboxylic acid, and an acid generator exhibits a sensitizing effect and an acid diffusion suppressing effect and forms a pattern having improved resolution, LWR and CDU.
Jun Hatakeyama, Masaki Ohashi
Filed: 1 Aug 19
Utility
Pellicle frame and pellicle
14 Dec 21
The present invention is to provide a pellicle frame characterized by including a metal or alloy having a linear expansion coefficient of 10×10−6 (1/K) or less and further a density of 4.6 g/cm3 or less, and a pellicle characterized by including the pellicle frame as an element.
Yu Yanase
Filed: 21 Aug 20
Utility
High photovoltaic-conversion efficiency solar cell, method for manufacturing the same, solar cell module, and photovoltaic power generation system
14 Dec 21
To Provide a back contact type solar cell with high photovoltaic-conversion efficiency which can be easily manufactured with good yield at low cost.
Ryo Mitta, Takenori Watabe, Hiroyuki Ohtsuka
Filed: 15 Nov 16
Utility
Stretchable film, method for forming the same, stretchable wiring film, and method for manufacturing the same
7 Dec 21
The present invention provides a stretchable film including: a cured product of a composition which contains (A) a (meth)acrylate compound having silsesquioxane, (B) a (meth)acrylate compound other than the component (A) having a urethane bond, and (C) an organic solvent having a boiling point in the range of 115 to 200° C. at atmospheric pressure; wherein the component (A) is localized in the direction of a surface of the film.
Jun Hatakeyama, Motoaki Iwabuchi
Filed: 12 Oct 17
Utility
Method for producing composite wafer having oxide single-crystal film
7 Dec 21
A composite wafer having an oxide single-crystal film transferred onto a support wafer, the film being a lithium tantalate or lithium niobate film, and the composite wafer being unlikely to have cracking or peeling caused in the lamination interface between the film and the support wafer.
Shoji Akiyama, Makoto Kawai
Filed: 1 Jun 16
Utility
Resist composition and patterning process
30 Nov 21
A resist composition comprising a base polymer and a quencher in the form of an ammonium salt consisting of an ammonium cation having an iodized aromatic ring bonded to the nitrogen atom via a divalent hydrocarbon group and a carboxylate, fluorine-free sulfonamide, sulfonamide or halide anion offers a high sensitivity and minimal LWR or improved CDU, independent of whether it is of positive or negative tone.
Jun Hatakeyama, Masaki Ohashi
Filed: 27 Aug 19
Utility
Photosensitive resin composition, photosensitive dry film, and pattern forming process
30 Nov 21
A photosensitive resin composition comprising (A) a silicone resin containing an epoxy and/or phenolic hydroxyl group, (B) a photoacid generator, and (C) a cure promoter selected from diazabicycloundecene, diazabicyclononene, an organic salt of diazabicycloundecene derivative, and an organic salt of diazabicyclononene derivative is shelf stable.
Hitoshi Maruyama
Filed: 9 Oct 19
Utility
Apparatus and method for cutoff machining sintered magnet
30 Nov 21
A sintered magnet sawing apparatus is provided comprising a cylindrical work carrier mounted on a horizontal rotating spindle and having a regular polygonal shape in a perpendicular cross section, and a plurality endless elastic belts adapted to force a work of sintered magnet against the carrier surface to secure the work thereto and adapted to travel synchronously with and counter to the rotation of the carrier in a circulatory manner.
Hitoshi Inami, Takafumi Ueno, Kazuhito Akada, Masaki Kasashima
Filed: 15 May 18
Utility
Thermally conductive silicone grease composition
30 Nov 21
Provided is a thermally conductive silicone grease composition that comprises: (A) an organopolysiloxane having a specific kinematic viscosity; (B) an organopolysiloxane having a specific kinematic viscosity; (C) a spherical aluminum oxide powder which has a specific average sphericity, a specific number of surface hydroxyl groups, and a specific average particle size, and for which the proportion of coarse particles in a laser diffraction type particle size distribution of 25 to 45 μm is within a specific range; and (D) a spherical and/or amorphous zinc oxide powder which has a specific average particle size, and for which the proportion of coarse particles in a laser diffraction type particle size distribution of 25 to 45 μm is within a specific range.
Mitsuhiro Iwata
Filed: 10 Oct 18
Utility
Ultraviolet curable organopolysiloxane composition, silicone gel cured product and method for producing same, and pressure sensor
23 Nov 21
Tsuyoshi Matsuda, Takafumi Sakamoto
Filed: 28 Nov 18
Utility
Polyvinyl chloride-based rigid molded products and method for manufacturing the same
23 Nov 21
The present invention provides a polyvinyl chloride-based rigid molded product containing 10 to 40 parts by weight of calcium carbonate having an average primary particle size of 0.01 to 0.3 μm per 100 parts by weight of a polyvinyl chloride-based resin having an average polymerization degree of 500 to 1,500, wherein a variation coefficient of the number of calcium carbonate particles in partitioning analysis of a cross section of the molded product is 15% or less, and a method for manufacturing the same.
Yoshihito Sasada, Toshiki Kawabata, Junichi Kawashima, Osamu Matsumoto
Filed: 22 Aug 18
Utility
UV curable silicone adhesive composition and cured product thereof
23 Nov 21
Kohei Otake, Nobuaki Matsumoto, Eri Asakura
Filed: 19 Sep 18