855 patents
Page 12 of 43
Utility
Positive resist composition and patterning process
4 Oct 22
A positive resist composition comprising a base polymer comprising recurring units containing an optionally substituted amino group and iodine exhibits a high sensitivity, high resolution, low edge roughness (LER, LWR) and small size variation, and forms a pattern of good profile after exposure and development.
Jun Hatakeyama, Masaki Ohashi
Filed: 17 Dec 19
Utility
Resist composition and patterning process
4 Oct 22
A resist composition comprising a base polymer and a quencher in the form of an amine compound having an iodized aromatic ring and a tertiary ester structure offers a high sensitivity and minimal LWR or improved CDU, independent of whether it is of positive or negative tone.
Jun Hatakeyama, Takayuki Fujiwara, Masaki Ohashi
Filed: 30 Dec 19
Utility
Photosensitive resin composition, photosensitive dry film, and pattern forming process
4 Oct 22
A photosensitive resin composition comprising a polymer containing a silphenylene skeleton and a fluorene skeleton and having a crosslinkable site in the molecule, a phenol compound having a Mw of 300-10,000, a photoacid generator, and a benzotriazole or imidazole compound has improved film properties.
Yoshinori Hirano, Michihiro Sugo, Satoshi Asai, Takahiro Goi
Filed: 17 Dec 19
Utility
(Meth)acrylic-modified silicone macromonomer
27 Sep 22
Tomoyuki Goto, Yoshihito Osawa, Yukio Morimoto
Filed: 29 Mar 18
Utility
Stretchable film and method for forming the same
27 Sep 22
The present invention is a stretchable film of a cured product of a resin including: a polymer compound having a urethane bond in the main chain, a repeating unit containing a fluorine atom, and a repeating unit containing a silicon atom.
Jun Hatakeyama, Motoaki Iwabuchi, Joe Ikeda, Shiori Nonaka, Koji Hasegawa
Filed: 17 Jul 19
Utility
Visible-light-responsive photocatalytic-titanium- oxide-particulate dispersion liquid, manufacturing method therefor, and member having thin photocatalytic film on surface thereof
20 Sep 22
As a visible-light-responsive photocatalytic-titanium-oxide-particulate dispersion liquid that can achieve a high visible light activity and is of a type different from the related art, the present invention provides a visible-light-responsive photocatalytic-titanium-oxide-particulate dispersion liquid in which two types of titanium oxide particulates are dispersed in an aqueous dispersion medium.
Manabu Furudate, Tomohiro Inoue
Filed: 8 Mar 16
Utility
Iodonium salt, resist composition, and pattern forming process
20 Sep 22
A novel carboxylic acid iodonium salt and a resist composition comprising the same as a quencher are provided.
Takayuki Fujiwara, Masaki Ohashi, Kazuhiro Katayama, Kenji Yamada
Filed: 5 Sep 19
Utility
Resist composition and patterning process
20 Sep 22
Takayuki Fujiwara, Kenichi Oikawa, Masaki Ohashi, Tomohiro Kobayashi
Filed: 15 Jan 20
Utility
Process for producing polycrystalline silicon mass
13 Sep 22
A clean and high-purity polycrystalline silicon mass having a small content of chromium, iron, nickel, copper, and cobalt in total, which are heavy metal impurities that reduce the quality of single-crystal silicon, can be obtained from a silicon rod by before crushing a polycrystalline silicon rod, removing at least 70 mm of a polycrystalline silicon portion from the electrode side end of the polycrystalline silicon rod extracted to the outside of a reactor is provided.
Shigeyoshi Netsu, Junichi Okada, Fumitaka Kume
Filed: 31 Jul 18
Utility
SiC crucible, SiC sintered body, and method of producing SiC single crystal
13 Sep 22
In the present invention, in producing a SiC single crystal in accordance with a solution method, a crucible containing SiC as a main component and having an oxygen content of 100 ppm or less is used as the crucible to be used as a container for a Si—C solution.
Naofumi Shinya, Yu Hamaguchi, Norio Yamagata, Osamu Yamada, Takehisa Minowa
Filed: 25 Jul 16
Utility
High dielectric insulating silicone rubber composition and electric field relaxation layer
6 Sep 22
Kazuhiro Oishi
Filed: 20 Feb 18
Utility
Silicone gel composition, cured product thereof, and power module
6 Sep 22
Tsuyoshi Matsuda, Takafumi Sakamoto
Filed: 26 Feb 19
Utility
Transparent coating film forming composition
6 Sep 22
Tatsuro Kaneko
Filed: 21 Nov 19
Utility
Resist composition and patterning process
6 Sep 22
A resist composition comprising a base polymer and an onium salt of N-carbonylsulfonamide having iodized benzene ring offers a high sensitivity, minimal LWR and improved CDU, independent of whether it is of positive or negative tone.
Jun Hatakeyama, Masaki Ohashi, Takayuki Fujiwara
Filed: 30 May 19
Utility
Salt compound, chemically amplified resist composition, and patterning process
6 Sep 22
A novel salt having an amide bond in its anion structure is provided.
Emiko Ono, Masayoshi Sagehashi, Masahiro Fukushima, Yuki Kera
Filed: 31 Oct 19
Utility
Manufacturing apparatus and manufacturing method of porous glass base material for optical fiber
30 Aug 22
A manufacturing apparatus of a porous glass base material for optical fiber includes: a liquid mass flow controller for controlling a flow rate of a raw material liquid of an organic siloxane; a vaporizer for mixing the raw material liquid and a carrier gas to vaporize the raw material liquid to form a mixed gas in which a raw material gas and the carrier gas are mixed; a raw material liquid nozzle for ejecting the raw material liquid into the vaporizer; a carrier gas supply pipe for supplying the carrier gas into the vaporizer; a raw material liquid pipe for introducing the raw material liquid into the raw material liquid nozzle; a burner for combusting the mixed gas together with a combustible gas and a combustion supporting gas to produce SiO2 fine particles; a mixed gas pipe; an open/close valve; and a purge gas supply pipe.
Naoto Noda, Hitoshi Iinuma
Filed: 9 Jun 20
Utility
Onium salt, negative resist composition, and resist pattern forming process
30 Aug 22
Daisuke Domon, Naoya Inoue, Masaki Ohashi, Keiichi Masunaga, Masaaki Kotake
Filed: 17 Oct 19
Utility
Negative electrode active material, mixed negative electrode active material, negative electrode for nonaqueous electrolyte secondary battery, lithium ion secondary battery, production method of negative electrode active material, and production method of lithium ion secondary battery
30 Aug 22
Takakazu Hirose, Hiromichi Kamo
Filed: 31 Oct 16
Utility
Stick-shaped cosmetic product
23 Aug 22
A stick-shaped cosmetic product including (a) 0.1 to 4 mass % of at least one selected from a partially cross-linked polyether modified silicone and a partially cross-linked polyglycerin modified silicone, (b) 1 to 10 mass % of wax, and (c) 30 mass % or more of an aqueous component.
Masayuki Konishi, Chihiro Hayakawa
Filed: 7 Mar 17
Utility
Process for preparing a formylalkenyl alkoxymethyl ether compound and processes for preparing conjugated diene compounds from the same
23 Aug 22
The present invention provide for preparing a formylalkenyl alkoxymethyl ether compound of the following general formula (2): R3CH2OCH2O(CH2)aCH═CHCHO (2), wherein R3 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group; and “a” represents an integer of 1 to 10, the process comprising: hydrolyzing a dialkoxyalkenyl alkoxymethyl ether compound of the following general formula (1): R3CH2OCH2O(CH2)aCH═CHCH(OR1)(OR2) (1), wherein R1 and R2 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, or R1 and R2 may form together a divalent hydrocarbon group, R1-R2, having 2 to 10 carbon atoms; and R3 and “a” are as defined above, in the presence of an acid while removing an alcohol compound thus generated to form the formylalkenyl alkoxymethyl ether compound (2).
Yuki Miyake, Takeshi Kinsho, Miyoshi Yamashita
Filed: 23 Mar 21