Patents by Inventor Takahiro Kishioka
Takahiro Kishioka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250065601Abstract: A laminate that includes a semiconductor substrate; a support substrate that is light-transmissive; an adhesive layer; and a release layer provided between the semiconductor substrate and the support substrate, the laminate being used when the release layer absorbs light irradiated from a side of the support substrate and then the semiconductor substrate and the support substrate are separated from each other, wherein the release layer is formed from a release agent composition, the release agent composition contains a light-absorbing compound having a molecular weight of 2,000 or less, and when the light-absorbing compound is measured for an absorption spectrum in a range of 250 to 800 nm, the absorption spectrum has a local maximum value, which is a maximum absorbance in a range of 250 to 800 nm, between 250 nm and 350 nm.Type: ApplicationFiled: October 7, 2022Publication date: February 27, 2025Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takahisa OKUNO, Takahiro KISHIOKA, Tetsuya SHINJO
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Publication number: 20250034427Abstract: A composition for forming a protective film capable of forming a protective film excellent in resistance to a semiconductor wet etchant such as a basic hydrogen peroxide solution or an acidic hydrogen peroxide solution, which exhibits excellent resistance also to a resist solvent and can be effectively used also as a resist underlayer film-forming composition. A protective film-forming composition against a semiconductor wet etchant, including: (A) a compound represented by the following formula (A); and (B) a solvent. (In the formula (A), n represents an integer of 1 to 10, and when n is 2, X represents a sulfinyl group, a sulfonyl group, an ether group or a C2-50 divalent organic group, and when n is an integer other than 2, X represents a C2-50 n-valent organic group, Y represents —CH2CH(OH)CH2OC(?O)CH2(CH2)t—, —CH2CH(OH)CH2OC(?O)C(CN)(?CH)—, and t represents an integer of 1 to 6.Type: ApplicationFiled: October 7, 2022Publication date: January 30, 2025Applicant: NISSAN CHEMICAL CORPORATIONInventors: Shun KUBODERA, Tokio NISHITA, Gun SON, Takahiro KISHIOKA
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Publication number: 20250014901Abstract: Provided are a protective film that can completely cover the edge of a substrate (wafer) for semiconductor manufacturing via a simple coating method in the manufacture of a semiconductor device, a protective film-forming composition for forming the protective film, a wafer for semiconductor manufacturing that is manufactured using the protective film, and a method for manufacturing the wafer for semiconductor manufacturing and a semiconductor device. Also provided is a wafer edge protective film-forming composition for semiconductor manufacturing, the composition containing a solvent and a polymer or compound having a crosslinkable group. Preferably, the composition has a viscosity of 100 cps or less at 25° C. and is photosensitive. Preferably, the crosslinkable group is selected from the group consisting of an epoxy group, a (meth)acrylic group, a vinyl group, a carboxylic acid group, a thiol group, a silanol group, a cinnamoyl group, and a hydroxyl group.Type: ApplicationFiled: September 1, 2022Publication date: January 9, 2025Applicant: NISSAN CHEMICAL CORPORATIONInventors: Hayato HATTORI, Satoshi TAKEDA, Shunsuke MORIYA, Takahiro KISHIOKA, Rikimaru SAKAMOTO
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Publication number: 20250011507Abstract: Provided is a photo-curable resin composition that is useful for the formation of a wafer edge part protection film for use in the production of a semiconductor. The photo-curable resin composition comprises: a compound containing a polycyclic aromatic hydrocarbon group derived from naphthalene, anthracene, phenanthrene, pyrene or the like and/or a polymer such as polyvinyl alcohol, polyacrylamide, a (meth)acrylic resin, polyamic acid, polyhydroxystyrene, a polyhydroxystyrene derivative, a copolymer of a polymethacrylate and maleic anhydride, an epoxy resin, a phenolic resin, a novolac resin, polyimide, cellulose, a cellulose derivative, starch, chitin, chitosan, gelatin, zein, a sugar-backbone polymeric compound, polyamide, polyethylene terephthalate, a polycarbonate, polyurethane, polysiloxane or the like; and a solvent. The composition has a viscosity of 100 cps or less at 25° C. and is cured with light having a wavelength of 170 to 800 nm.Type: ApplicationFiled: November 14, 2022Publication date: January 9, 2025Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takahiro KISHIOKA, Hayato HATTORI, Shunsuke MORIYA
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Publication number: 20240393693Abstract: A silicon-containing resist underlayer film forming composition for forming a silicon-containing resist underlayer film to be used as an etching mask when a metal film containing at least one metal selected from the group consisting of Groups 6, 7, 8, and 9 of the periodic table of elements is dry-etched.Type: ApplicationFiled: September 2, 2022Publication date: November 28, 2024Applicant: NISSAN CHEMICAL CORPORATIONInventors: Wataru SHIBAYAMA, Satoshi TAKEDA, Shunsuke MORIYA, Takahiro KISHIOKA
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Publication number: 20240301126Abstract: A protective film-forming composition including good mask (protection) function against a wet etching liquid and a high dry etching rate during processing of semiconductor substrates, including good coverage even in stepped substrates, and from which flat films can be formed due to a small difference in film thickness after embedding; a protective film produced using said composition; a substrate with a resist pattern; and a method for manufacturing a semiconductor device. A protective film-forming composition which protects against a semiconductor wet etching liquid, wherein a reaction product (P) of a diepoxy compound (B) and an bifunctional proton-generating compound (C) contains a structure represented by formula (1) (in formula (1), Ar represents a C6-40 aryl group, n represents an integer of 2-10, —Y— represents—OCO—, —O— or —S—, and * represents the bonding site with the reaction product (P) molecule terminal). The protective film-forming composition further includes an organic solvent (S).Type: ApplicationFiled: March 26, 2024Publication date: September 12, 2024Applicant: NISSAN CHEMICAL CORPORATIONInventors: Shigetaka OTAGIRI, Tokio NISHITA, Takafumi ENDO, Yuki ENDO, Takahiro KISHIOKA
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Patent number: 12087576Abstract: Provided are: a composition for forming a coating film, the composition comprising (a) a polymer containing a structural unit represented by formula (1a) or (1b), and (b) a solvent including 51-99 mass % of water and 1-49 mass % of at least one organic solvent selected from the group consisting of propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether, methyl 2-hydroxyisobutyrate, ethyl 3-ethoxypropionate, and ethyl lactate; and a method for manufacturing a semiconductor device using the same.Type: GrantFiled: April 2, 2019Date of Patent: September 10, 2024Assignee: NISSAN CHEMICAL CORPORATIONInventors: Tokio Nishita, Rikimaru Sakamoto, Yasunobu Someya, Takahiro Kishioka
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Patent number: 12044968Abstract: A composition for forming a protective film having excellent resistance to a wet etching solution for semiconductors during a lithographic process in the manufacture of semiconductors; a method of forming a resist pattern using said protective film; and a method for manufacturing a semiconductor device. This composition for forming a protective film against a wet etching solution for semiconductors includes: a compound or polymer which contains at least one among an acetal structure and an amide structure; and a solvent. The polymer is preferably a copolymer of: a compound (a) containing at least one acetal structure in a molecule; and a compound (b) containing at least one amide structure in a molecule.Type: GrantFiled: January 20, 2020Date of Patent: July 23, 2024Assignee: NISSAN CHEMICAL CORPORATIONInventors: Tokio Nishita, Takafumi Endo, Yuki Endo, Takahiro Kishioka
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Publication number: 20240219834Abstract: A semiconductor device manufacturing process, forming a multilayer structure of a metal oxide (e.g., copper oxide) and a resist underlayer film on a stepped metal substrate reduces exposure reflectance from the substrate, thereby reducing standing waves of the resist pattern (defects caused by reflection) and provides a favorable rectangular resist pattern on the substrate. A pattern-equipped substrate manufacturing method includes: a step for performing an oxidation treatment on a substrate containing metal on a surface thereof to form a metal oxide film on the substrate surface; a step for applying a resist on the metal oxide film and conducting baking to form a resist film; a step for exposing a semiconductor substrate covered by the metal oxide film and the resist; and a step for developing the exposed resist film and conducting patterning.Type: ApplicationFiled: April 25, 2022Publication date: July 4, 2024Applicant: NISSAN CHEMICAL CORPORATIONInventors: Shun KUBODERA, Takahiro KISHIOKA, Tokio NISHITA
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Patent number: 11965059Abstract: A protective film-forming composition including good mask (protection) function against a wet etching liquid and a high dry etching rate during processing of semiconductor substrates, including good coverage even in stepped substrates, and from which flat films can be formed due to a small difference in film thickness after embedding; a protective film produced using said composition; a substrate with a resist pattern; and a method for manufacturing a semiconductor device. A protective film-forming composition which protects against a semiconductor wet etching liquid, wherein a reaction product (P) of a diepoxy compound (B) and an bifunctional proton-generating compound (C) contains a structure represented by formula (1) (in formula (1), Ar represents a C6-40 aryl group, n represents an integer of 2-10, —Y— represents —OCO—, —O— or —S—, and * represents the bonding site with the reaction product (P) molecule terminal). The protective film-forming composition further includes an organic solvent (S).Type: GrantFiled: April 9, 2020Date of Patent: April 23, 2024Assignee: NISSAN CHEMICAL CORPORATIONInventors: Shigetaka Otagiri, Tokio Nishita, Takafumi Endo, Yuki Endo, Takahiro Kishioka
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Publication number: 20230393479Abstract: A resist underlayer film-forming composition contains: (A) a compound having a partial structure represented by Formula (1). In Formula (1), R1 and R2 each denote a hydrogen atom, an alkyl group having 1-10 carbon atoms or an aryl group having 6-40 carbon atoms, X denotes an alkyl group having 1-10 carbon atoms, a hydroxyl group, an alkoxy group having 1-10 carbon atoms, an alkoxycarbonyl group having 1-10 carbon atoms, a halogen atom, a cyano group, a nitro group or a combination of these, Y denotes a direct bond, an ether bond, a thioether bond or an ester bond, n is an integer between 0 and 4, and * denotes a site of bonding to a residue of compound (A)); and a solvent.Type: ApplicationFiled: March 2, 2022Publication date: December 7, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Shun KUBODERA, Tokio NISHITA, Yuki ENDO, Takahiro KISHIOKA
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Patent number: 11768436Abstract: A protective film-forming composition which protects against a semiconductor wet etching solution, contains a solvent and a compound or polymer thereof containing at least one pair including two adjacent hydroxyl groups in a molecule thereof, and forms a protective film which can quickly be removed by dry etching and exhibits excellent resistance against a semiconductor wet etching solution during the lithographic process when producing semiconductors; a method for producing a resist pattern-equipped substrate which uses the protective film; and a method for producing a semiconductor device.Type: GrantFiled: December 20, 2018Date of Patent: September 26, 2023Assignee: NISSAN CHEMICAL CORPORATIONInventors: Takafumi Endo, Yasunobu Someya, Takahiro Kishioka
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Publication number: 20230250314Abstract: A simple method for removing foreign substances that are formed on a substrate during a semiconductor device production process and a composition for forming a coating film for foreign substance removal, said coating film being used in the above-described method. A composition for forming a coating film for foreign substance removal, said composition containing a polymer and a solvent and being capable of forming a coating film that dissolves in a developer liquid, wherein: the polymer is selected from among phenolic novolacs, polyhydroxystyrene derivatives and carboxylic acid-containing polymers; and the polymer is contained in an amount of 50% by mass or more relative to the total solid content in the composition.Type: ApplicationFiled: July 20, 2021Publication date: August 10, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takahiro KISHIOKA, Yuki USUI, Shunsuke MORIYA
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Publication number: 20230213857Abstract: Provided is a resist underlayer film-forming composition that is used in a lithographic process in semiconductor manufacturing and has excellent storage stability. The resist underlayer film-forming composition contains: a polymer having a disulfide bond in a main chain; a radical trapping agent; and a solvent. The radical trapping agent is preferably a compound having a ring structure or a thioether structure. The ring structure is preferably an aromatic ring structure having 6-40 carbon atoms or a 2,2,6,6-tetramethylpiperidine structure.Type: ApplicationFiled: February 13, 2020Publication date: July 6, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Satoshi KAMIBAYASHI, Takafumi ENDO, Yuto HASHIMOTO, Yuki ENDO, Takahiro KISHIOKA, Rikimaru SAKAMOTO
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Patent number: 11655273Abstract: Provided are a ligand-bearing substrate which has a surface at least partially coated with a polymer (P3) containing structural units represented by the formulae (1a) and (1b) (in the formulae, R1, R2, X, Y, L, Q1, Q2, Q3, m1, m2 and n are as described in the claims and description); a raw material for such a substrate; and a method for producing such substrates.Type: GrantFiled: July 9, 2018Date of Patent: May 23, 2023Assignees: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA, NISSAN CHEMICAL CORPORATIONInventors: Hiromi Kitano, Tadashi Nakaji, Yuki Usui, Taito Nishino, Takahiro Kishioka
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Patent number: 11635692Abstract: A resist underlayer film forming composition contains a resin containing a unit structure represented by formula (1): [in formula (1), R1 represents a thiadiazole group which is optionally substituted with a C1-6 alkyl group optionally interrupted by a carboxy group, a C1-6 alkyl group optionally substituted with a hydroxyl group, or a C1-4 alkylthio group, and R2 represents a hydrogen atom or formula (2): (in formula (2), R1 is the same as defined above, and * represents a binding moiety)]. The resist underlayer film forming composition provides a resist underlayer film which has excellent solvent resistance, excellent optical parameters, an excellent dry etching rate, and excellent embeddability.Type: GrantFiled: September 19, 2018Date of Patent: April 25, 2023Assignee: NISSAN CHEMICAL CORPORATIONInventors: Mamoru Tamura, Hiroto Ogata, Takahiro Kishioka
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Patent number: 11542366Abstract: A method includes applying a composition for forming a resist underlayer film to a substrate having a recess in a surface, and baking the composition for forming a resist underlayer film to form a resist underlayer film for filling at least the recess. The composition for forming a resist underlayer film has a copolymer having a structural unit of following formula (1), a cross-linkable compound, a cross-linking catalyst, and a solvent: wherein R1 and R2 are each independently a C1-3 alkylene group or a single bond, Z is an —O— group, a —S— group, or a —S—S— group, and Ar is an arylene group.Type: GrantFiled: October 14, 2020Date of Patent: January 3, 2023Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hiroto Ogata, Yuki Usui, Mamoru Tamura, Takahiro Kishioka
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Patent number: 11460771Abstract: A protective film-forming composition which protects against a semiconductor wet etching solution, contains a solvent and a compound or polymer thereof containing at least one acetal structure in a molecule thereof, and forms a protective film exhibiting excellent resistance against a semiconductor wet etching solution during the lithographic process when producing semiconductors; a method for producing a resist pattern-equipped substrate which uses the protective film; and a method for producing a semiconductor device.Type: GrantFiled: December 20, 2018Date of Patent: October 4, 2022Assignee: NISSAN CHEMICAL CORPORATIONInventors: Takafumi Endo, Yasunobu Someya, Takahiro Kishioka
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Publication number: 20220204686Abstract: A protective film-forming composition including good mask (protection) function against a wet etching liquid and a high dry etching rate during processing of semiconductor substrates, including good coverage even in stepped substrates, and from which flat films can be formed due to a small difference in film thickness after embedding; a protective film produced using said composition; a substrate with a resist pattern; and a method for manufacturing a semiconductor device. A protective film-forming composition which protects against a semiconductor wet etching liquid, wherein a reaction product (P) of a diepoxy compound (B) and an bifunctional proton-generating compound (C) contains a structure represented by formula (1) (in formula (1), Ar represents a C6-40 aryl group, n represents an integer of 2-10, —Y— represents —OCO—, —O— or —S—, and * represents the bonding site with the reaction product (P) molecule terminal). The protective film-forming composition further includes an organic solvent (S).Type: ApplicationFiled: April 9, 2020Publication date: June 30, 2022Applicant: NISSAN CHEMICAL CORPORATIONInventors: Shigetaka OTAGIRI, Tokio NISHITA, Takafumi ENDO, Yuki ENDO, Takahiro KISHIOKA
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Patent number: 11372330Abstract: There is provided anti-reflective coating forming composition containing a reaction product of an isocyanuric acid compound having two or three 2,3-epoxypropyl groups with a benzoic acid compound. The anti-reflective coating obtained from the composition has a high preventive effect for reflected light, causes no intermixing with photoresists, can form a photoresist pattern having no footing at the lower part, and can use in lithography process by use of a light such as ArF excimer laser beam and F2 excimer laser beam, etc.Type: GrantFiled: September 27, 2005Date of Patent: June 28, 2022Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takahiro Kishioka, Rikimaru Sakamoto, Daisuke Maruyama