Patents by Inventor Wataru Shibayama
Wataru Shibayama 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).
-
Patent number: 11815815Abstract: Provided is a resist underlayer film-forming composition for forming resist underlayer film usable as hard mask and removable by wet etching process using chemical solution such as sulfuric acid/hydrogen peroxide. A resist underlayer film-forming composition for lithography includes a component (A) and component (B), the component (A) includes a hydrolyzable silane, hydrolysis product thereof, or hydrolysis-condensation product thereof, the hydrolyzable silane includes hydrolyzable silane of Formula (1): R1aR2bSi(R3)4?(a+b) (where R1 is organic group of Formula (2): and is bonded to silicon atom through a Si—C bond; R3 is an alkoxy group, acyloxy group, or halogen group; is an integer of 1; b is an integer of 0 to 2; and a+b is an integer of 1 to 3), and the component (B) is cross-linkable compound having ring structure having alkoxymethyl group or hydroxymethyl group, cross-linkable compound having epoxy group or blocked isocyanate group.Type: GrantFiled: November 6, 2015Date of Patent: November 14, 2023Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hiroyuki Wakayama, Makoto Nakajima, Wataru Shibayama, Masahisa Endo
-
Publication number: 20230176481Abstract: A composition for forming a film capable of effectively functioning as a resist underlayer film exhibiting resistance to a solvent in a composition for forming a resist film serving as an upper layer, favorable etching property to a fluorine-containing gas, and favorable lithographic property.Type: ApplicationFiled: March 31, 2021Publication date: June 8, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Wataru SHIBAYAMA, Satoshi TAKEDA, Shuhei SHIGAKI, Ken ISHIBASHI, Kodai KATO, Makoto NAKAJIMA
-
Publication number: 20230168582Abstract: R1aR2bSi(R3)4?(a+b) ??(1) A composition for a silicon-containing resist underlying film and for forming a resist underlying film that can be removed by a conventional method employing dry etching, but also by a method employing wet etching using a chemical liquid in a step for processing a semiconductor substrate or the like; and a composition for forming a resist underlying film for lithography and for forming a resist underlying film that has excellent storage stability and produces less residue in a dry etching step. A composition for forming a resist underlying film, the composition including a hydrolysis condensate of a hydrolysable silane mixture containing an alkyltrialkoxy silane and a hydrolysable silane of formula (1), wherein the contained amount of the alkyltrialkoxy silane in the mixture is 0 mol % or more but less than 40 mol % with respect to the total amount by mole of all of the hydrolysable silane contained in the mixture.Type: ApplicationFiled: April 30, 2021Publication date: June 1, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Shuhei SHIGAKI, Ken ISHIBASHI, Wataru SHIBAYAMA
-
Publication number: 20230152699Abstract: A film-forming composition for forming a resist underlayer film for a solvent development type resist that is capable of forming a good resist pattern which contains a hydrolysis-condensation product of a hydrolyzable silane compound, at least one substance that is selected from the group consisting of an aminoplast crosslinking agent and a phenoplast crosslinking agent, and a solvent, and wherein the hydrolyzable silane compound contains a hydrolyzable silane represented by formula (1).Type: ApplicationFiled: March 31, 2021Publication date: May 18, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Kodai KATO, Satoshi TAKEDA, Shuhei SHIGAKI, Wataru SHIBAYAMA, Makoto NAKAJIMA
-
Publication number: 20230152700Abstract: A film-forming composition includes a solvent and hydrolysis condensate prepared through hydrolysis and condensation of a hydrolyzable silane compound by using an acidic compound containing two or more acidic groups. The hydrolyzable silane compound contains an amino-group-containing silane with formula (1). R1 is an organic group containing an amino group. R2 is a substitutable alkyl, substitutable aryl, substitutable aralkyl, substitutable halogenated alkyl, substitutable halogenated aryl, substitutable halogenated aralkyl, substitutable alkoxyalkyl, substitutable alkoxyaryl, substitutable alkoxyaralkyl, or substitutable alkenyl group, or an organic group containing an epoxy, acryloyl, methacryloyl, mercapto, or a cyano group. R3 is an alkoxy, aralkyloxy, or acyloxy group or halogen atom. a is an integer of 1 or 2, b of 0 or 1; and a and b satisfy a relation of a+b?2.Type: ApplicationFiled: March 31, 2021Publication date: May 18, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Wataru SHIBAYAMA, Satoshi TAKEDA, Shuhei SHIGAKI, Ken ISHIBASHI, Kodai KATO, Makoto NAKAJIMA
-
Publication number: 20230125270Abstract: A compound of Formula (5-1) or Formula (5-3): where R17 and R21 are each an ethyl group; R22 and R23 are each a methyl group; and R16 and R20 are each a methoxy group.Type: ApplicationFiled: December 13, 2022Publication date: April 27, 2023Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Makoto NAKAJIMA, Kenji TAKASE, Satoshi TAKEDA, Wataru SHIBAYAMA
-
Publication number: 20230112897Abstract: A method for producing a coated substrate includes applying a photocurable silicon-containing coating film-forming composition to an uneven substrate; and exposing the photocurable silicon-containing coating film-forming composition to light, wherein the photocurable silicon-containing coating film-forming composition comprises a hydrolyzable silane, a hydrolysate thereof, or a hydrolytic condensate thereof, wherein the hydrolyzable silane is a hydrolyzable silane of the following Formula (1): R1aR2bSi(R3)4?(a+b)??Formula (1) wherein R1 is a functional group relating to photocrosslinking; R2 is an alkyl group and is bonded to a silicon atom via an Si—C bond; R3 is an alkoxy group, an acyloxy group, or a halogen group; a is an integer of 1; b is an integer of 0 to 2; and a+b is an integer of 1 to 3.Type: ApplicationFiled: December 8, 2022Publication date: April 13, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Wataru SHIBAYAMA, Hikaru TOKUNAGA, Ken ISHIBASHI, Keisuke HASHIMOTO, Makoto NAKAJIMA
-
Patent number: 11561472Abstract: A radiation sensitive composition including a siloxane polymer exhibiting phenoplast crosslinking reactivity as a base resin, which is excellent in resolution and can be used as a radiation sensitive composition capable of allowing a pattern having a desired-shape to be formed with sufficient precision. A radiation sensitive composition including as a silane, a hydrolyzable silane, a hydrolysis product thereof, or a hydrolysis-condensation product thereof; and a photoacid generator, in which the hydrolyzable silane includes hydrolyzable silanes of Formula (1) R1aR2bSi(R3)4-(a+b)??Formula (1) wherein R1 is an organic group of Formula (1-2) and is bonded to a silicon atom through a Si—C bond or a Si—O bond, and R3 is a hydrolyzable group; and Formula (2) R7cR8dSi(R9)4-(c+d)??Formula (2) wherein R7 is an organic group of Formula (2-1) and is bonded to a silicon atom through a Si—C bond or a Si—O bond, and R9 is a hydrolyzable group.Type: GrantFiled: June 7, 2016Date of Patent: January 24, 2023Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Makoto Nakajima, Kenji Takase, Satoshi Takeda, Wataru Shibayama
-
Patent number: 11531269Abstract: Method for producing coating composition applied to patterned resist film in lithography process for solvent development to reverse pattern. The method including: step obtaining hydrolysis condensation product by hydrolyzing and condensing hydrolyzable silane in non-alcoholic hydrophilic solvent; step of solvent replacement wherein non-alcoholic hydrophilic solvent replaced with hydrophobic solvent for hydrolysis condensation product. Method for producing semiconductor device, including: step of applying resist composition to substrate and forming resist film; step of exposing and developing formed resist film; step applying composition obtained by above production method to patterned resist film obtained during or after development in step, forming coating film between patterns; step of removing patterned resist film by etching and reversing patterns. Production method that exposure is performed using ArF laser (with wavelength of 193 nm) or EUV (with wavelength of 13.5 nm).Type: GrantFiled: October 2, 2017Date of Patent: December 20, 2022Assignee: NISSAN CHEMICAL CORPORATIONInventors: Shuhei Shigaki, Satoshi Takeda, Wataru Shibayama, Makoto Nakajima, Rikimaru Sakamoto
-
Publication number: 20220373888Abstract: A composition for forming a resist underlayer film containing a hydrolysis condensate prepared through hydrolysis and condensation of a hydrolyzable silane, wherein the hydrolyzable silane contains a hydrolyzable silane of Formula (1): R1aR2bSi(R3)4?(a+b) ??Formula (1) wherein R1 is an organic group having a primary amino group, a secondary amino group, or a tertiary amino group and is bonded to a silicon atom via an Si—C bond; R2 is an alkyl group, an aryl group, a halogenated alkyl group, a halogenated aryl group, an alkoxyaryl group, an alkenyl group, an acyloxyalkyl group, or an organic group having an acryloyl group, a methacryloyl group, a mercapto group, an amino group, an amide group, a hydroxyl group, an alkoxy group, an ester group, a sulfonyl group, or a cyano group, or any combination of these groups, and is bonded to a silicon atom via an Si—C bond; R1 and R2 are optionally bonded together to form a ring structure; R3 is an alkoxy group, an acyloxy group, or a halogen group; a is an integer ofType: ApplicationFiled: July 12, 2022Publication date: November 24, 2022Applicant: NISSAN CHEMICAL CORPORATIONInventors: Wataru SHIBAYAMA, Hayato HATTORI, Ken ISHIBASHI, Makoto NAKAJIMA
-
Patent number: 11392037Abstract: There is provided a resist underlayer film forming composition for lithography for forming a resist underlayer film capable of being used as a hardmask. A resist underlayer film forming composition for lithography comprising a hydrolyzable organosilane, a hydrolysis product thereof, or a hydrolysis-condensation product thereof as a silane, wherein a silane having a cyclic amino group is contained in an amount of less than 1% by mole, preferably 0.01 to 0.95% by mole. A film forming composition comprising a hydrolyzable organosilane having a cyclic amino group, a hydrolysis product thereof, or a hydrolysis-condensation product thereof. A resist underlayer film forming composition for lithography comprising a hydrolyzable organosilane having a cyclic amino group, a hydrolysis product thereof, or a hydrolysis-condensation product thereof. The cyclic amino group may be a secondary amino group or a tertiary amino group.Type: GrantFiled: February 16, 2009Date of Patent: July 19, 2022Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Makoto Nakajima, Wataru Shibayama, Yuta Kanno
-
Publication number: 20220206395Abstract: A composition with which collapse and roughness of a resist pattern can be ameliorated and the etching resistance can be improved by metallizing a resist in the resist pattern and a resist pattern metallization method using the composition. A composition for a resist pattern metallization process, including a component (A): at least one selected from the group consisting of a metal oxide (a1), a hydrolyzable silane compound (a2), a hydrolysate (a3) of the hydrolyzable silane compound, and a hydrolysis condensate (a4) of the hydrolyzable silane compound, a component (B): an acid compound containing no carboxylic acid group (—COOH), and a component (C): an aqueous solvent, and a resist pattern metallization method for providing a resist pattern in which the composition components have permeated into a resist using the composition.Type: ApplicationFiled: March 27, 2020Publication date: June 30, 2022Applicant: NISSAN CHEMICAL CORPORATIONInventors: Wataru SHIBAYAMA, Satoshi TAKEDA, Shuhei SHIGAKI, Ken ISHIBASHI, Kodai KATO, Makoto NAKAJIMA
-
Publication number: 20220187709Abstract: A film-forming composition including one selected from among a hydrolyzable silane compound, a hydrolysate of the compound, and a hydrolysis condensate of the compound, and a solvent, the film-forming composition wherein: the hydrolyzable silane compound contains a hydrolyzable silane having a cyano group in the molecule and being of the following Formula (1): R1aR2bSi(R3)4?(a+b)??(1) (wherein R1 is a group bonded to a silicon atom and is an organic group containing a cyano group; R2 is a group bonded to a silicon atom via an Si—C bond, and is each independently a substitutable alkyl group, etc.; R3 is a group or atom bonded to a silicon atom, and is each independently a hydroxy group, an alkoxy group, an aralkyloxy group, an acyloxy group, or a halogen atom; a is an integer of 1; b is an integer of 0 to 2; and a+b is an integer of 1 to 3).Type: ApplicationFiled: March 24, 2020Publication date: June 16, 2022Applicant: NISSAN CHEMICAL CORPORATIONInventors: Wataru SHIBAYAMA, Satoshi TAKEDA, Shuhei SHIGAKI, Ken ISHIBASHI, Kodai KATO, Makoto NAKAJIMA
-
Publication number: 20220177653Abstract: A film-forming composition is suitable as a resist underlayer film-forming composition capable of forming a resist underlayer film that exhibits favorable adhesion to an EUV resist and favorable etching processability. A film-forming composition includes: a hydrolysis condensate (A) of a hydrolyzable silane compound produced in the presence of a basic hydrolysis catalyst; a hydrolysis condensate (B) of a hydrolyzable silane compound produced in the presence of an acidic hydrolysis catalyst; and a solvent.Type: ApplicationFiled: March 25, 2020Publication date: June 9, 2022Applicant: NISSAN CHEMICAL CORPORATIONInventors: Wataru SHIBAYAMA, Satoshi TAKEDA, Shuhei SHIGAKI, Ken ISHIBASHI, Kodai KATO, Makoto NAKAJIMA
-
Publication number: 20220155688Abstract: A composition for forming a resist underlayer film for lithography, the resist underlayer film for lithography containing silicon and being dissolved and removed with an alkaline developer in accordance with a resist pattern together with an upper layer resist during development of the upper layer resist, the composition comprising a component, which is a silane compound containing a hydrolyzable silane, a hydrolysate of the silane, a hydrolytic condensate of the silane, or any combination of these, and an element, which is an element of causing dissolution in an alkaline developer. The element, which is an element of causing dissolution in an alkaline developer, is contained in the structure of the compound as the component.Type: ApplicationFiled: February 9, 2022Publication date: May 19, 2022Applicant: NISSAN CHEMICAL CORPORATIONInventors: Wataru SHIBAYAMA, Makoto NAKAJIMA
-
Publication number: 20220100092Abstract: A film-forming composition is suitable as a resist underlayer film-forming composition capable of forming an Si-containing resist underlayer film that exhibits favorable adhesion to an EUV resist and favorable etching processability because of high rate of etching with fluorine. A film-forming composition, for example, including a polymer of Formula (E1) and a solvent.Type: ApplicationFiled: December 25, 2019Publication date: March 31, 2022Applicant: NISSAN CHEMICAL CORPORATIONInventors: Wataru SHIBAYAMA, Yutaro KURAMOTO, Satoshi TAKEDA, Shuhei SHIGAKI, Ken ISHIBASHI, Makoto NAKAJIMA
-
Patent number: 11281104Abstract: A composition for forming a resist underlayer film for lithography, the resist underlayer film for lithography containing silicon and being dissolved and removed with an alkaline developer in accordance with a resist pattern together with an upper layer resist during development of the upper layer resist, the composition comprising a component, which is a silane compound containing a hydrolyzable silane, a hydrolysate of the silane, a hydrolytic condensate of the silane, or any combination of these, and an element, which is an element of causing dissolution in an alkaline developer. The element, which is an element of causing dissolution in an alkaline developer, is contained in the structure of the compound as the component. The element, which is an element of causing dissolution in an alkaline developer, is a photoacid generator.Type: GrantFiled: July 6, 2018Date of Patent: March 22, 2022Assignee: NISSAN CHEMICAL CORPORATIONInventors: Wataru Shibayama, Makoto Nakajima
-
Publication number: 20220057715Abstract: Provided is a substrate treating composition. The substrate treating composition includes a first monomer, a second monomer and an acid. The first monomer is represented by Formula 1 and the second monomer is represented by Formula 7. The molecular weight of the solid content of the substrate treating composition including the first monomer, the second monomer and the acid is from about 1,000 g/mol to about 50,000 g/mol.Type: ApplicationFiled: November 2, 2021Publication date: February 24, 2022Inventors: JU-YOUNG KIM, HYUNWOO KIM, MAKOTO NAKAJIMA, SATOSHI TAKEDA, SHUHEI SHIGAKI, WATARU SHIBAYAMA
-
Patent number: 11215927Abstract: Provided is a substrate treating composition. The substrate treating composition includes a first monomer, a second monomer and an acid. The first monomer is represented by Formula 1 and the second monomer is represented by Formula 7. The molecular weight of the solid content of the substrate treating composition including the first monomer, the second monomer and the acid is from about 1,000 g/mol to about 50,000 g/mol.Type: GrantFiled: January 9, 2019Date of Patent: January 4, 2022Assignees: SAMSUNG ELECTRONICS CO., LTD., NISSAN CHEMICAL CORPORATIONInventors: Ju-Young Kim, Hyunwoo Kim, Makoto Nakajima, Satoshi Takeda, Shuhei Shigaki, Wataru Shibayama
-
Publication number: 20210395462Abstract: A film-forming composition suitable as a resist underlayer film-forming composition from which a resist underlayer film having not only a good EUV resist adhesivity but also a good etching processability due to a high fluorine-based etching rate. For example, a film-forming composition includes a polymer represented by Formula (E1) and a solvent.Type: ApplicationFiled: October 25, 2019Publication date: December 23, 2021Applicant: NISSAN CHEMICAL CORPORATIONInventors: Wataru SHIBAYAMA, Yuichi GOTO, Shun KUBODERA, Satoshi TAKEDA, Ken ISHIBASHI, Makoto NAKAJIMA