Patents by Inventor Yusuke BIYAJIMA
Yusuke BIYAJIMA 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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Patent number: 11914295Abstract: The present invention is a thermosetting silicon-containing material containing one or more of a repeating unit shown by the following general formula (Sx-1), a repeating unit shown by the following general formula (Sx-2), and a partial structure shown by the following general formula (Sx-3): where R1 represents an iodine-containing organic group; and R2 and R3 are each independently identical to R1, a hydrogen atom, or a monovalent organic group having 1 to 30 carbon atoms. This provides: a thermosetting silicon-containing material used for forming a resist underlayer film which is capable of contributing to sensitivity enhancement of an upper layer resist while keeping LWR thereof from degrading; a composition for forming a silicon-containing resist underlayer film, the composition containing the thermosetting silicon-containing material; and a patterning process using the composition.Type: GrantFiled: October 23, 2019Date of Patent: February 27, 2024Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tsutomu Ogihara, Tsukasa Watanabe, Yusuke Biyajima, Masahiro Kanayama, Ryo Mitsui
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Publication number: 20230400770Abstract: The present invention is a resist underlayer film material, including: (A) a compound or resin having a phenolic hydroxy group; (B) a base generator; and (C) an organic solvent. By the above configuration, the present invention provides: a resist underlayer film material that can form a resist underlayer film having excellent planarizing ability and film formability even on a substrate to be processed having a portion with particular difficulty in planarization, such as a wide trench structure, and that yields a resist underlayer film having an appropriate etching characteristic in a fine patterning process with a multilayer resist method in a semiconductor apparatus manufacturing process; and a patterning process and method for forming a resist underlayer film using the above material.Type: ApplicationFiled: June 8, 2023Publication date: December 14, 2023Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Takayoshi NAKAHARA, Yusuke BIYAJIMA, Daisuke KORI, Keisuke NIIDA, Yuji HARADA
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Material for forming organic film, method for forming organic film, patterning process, and compound
Patent number: 11822247Abstract: The present invention is a material for forming an organic film, including: a compound shown by the following general formula (1); and an organic solvent, where in the general formula (1), X represents an organic group with a valency of “n” having 2 to 50 carbon atoms or an oxygen atom, “n” represents an integer of 1 to 10, and R1 independently represents any of the following general formulae (2), where in the general formulae (2), broken lines represent attachment points to X, and Q1 represents a monovalent organic group containing a carbonyl group, at least a part of which is a group shown by the following general formulae (3), where in the general formulae (3), broken lines represent attachment points, X1 represents a single bond or a divalent organic group having 1 to 20 carbon atoms optionally having a substituent when the organic group has an aromatic ring, R2 represents a hydrogen atom, a methyl group, an ethyl group, or a phenyl group, and ** represents an attachment point.Type: GrantFiled: February 24, 2021Date of Patent: November 21, 2023Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Takayoshi Nakahara, Daisuke Kori, Yusuke Biyajima -
Publication number: 20230333472Abstract: The present invention is a thermosetting silicon-containing material containing one or more of a repeating unit shown by the following general formula (Sx-1), a repeating unit shown by the following general formula (Sx-2), and a partial structure shown by the following general formula (Sx-3): where R1 represents an iodine-containing organic group; and R2 and R3 are each independently identical to R1, a hydrogen atom, or a monovalent organic group having 1 to 30 carbon atoms. This provides: a thermosetting silicon-containing material used for forming a resist underlayer film which is capable of contributing to sensitivity enhancement of an upper layer resist while keeping LWR thereof from degrading; a composition for forming a silicon-containing resist underlayer film, the composition containing the thermosetting silicon-containing material; and a patterning process using the composition.Type: ApplicationFiled: June 23, 2023Publication date: October 19, 2023Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tsutomu OGIHARA, Tsukasa WATANABE, Yusuke BIYAJIMA, Masahiro KANAYAMA, Ryo MITSUI
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Material for forming organic film, method for forming organic film, patterning process, and compound
Patent number: 11720023Abstract: The present invention provides a material for forming an organic film, containing a compound shown by the following general formula (1), and an organic solvent, where X represents an organic group having a valency of n1 and 2 to 50 carbon atoms, n1 represents an integer of 1 to 10, and R1 represents at least one or more of the following general formulae (2) to (4). This aims to provide an organic film material for forming an organic film that has all of high filling property, high planarizing property, and excellent adhesive force to a substrate.Type: GrantFiled: November 4, 2020Date of Patent: August 8, 2023Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Daisuke Kori, Takayoshi Nakahara, Yusuke Biyajima -
Publication number: 20230244149Abstract: A composition for forming a silicon-containing resist underlayer film includes: a thermosetting silicon-containing material containing any one or more of a partial structure shown by the general formula (Sx-1), (Sx-2), and (Sx-3); and a compound shown by the general formula (P-0), where R1 represents an organic group that has or generates a silanol group, a hydroxy group, or a carboxy group; R2 and R3 are each independently the same as R1 or each represent a hydrogen atom or a monovalent substituent having 1 to 30 carbon atoms; R100 represents a divalent organic group substituted with a fluorine atom; R101 and R102 each independently represents a monovalent hydrocarbon group having 1 to 20 carbon atoms; R103 represents a divalent hydrocarbon group having 1 to 20 carbon atoms; and L104 represents a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms.Type: ApplicationFiled: March 16, 2023Publication date: August 3, 2023Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tsutomu Ogihara, Yusuke Biyajima, Masahiro Kanayama
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Publication number: 20230203354Abstract: A material for forming an adhesive film used for an adhesive film formed directly under a resist upper layer film, contains: (A) a resin having at least one structural unit containing a fluorine-substituted organic sulfonyl anion structure and having at least one structural unit shown by the following general formula (2) besides the structural unit containing the fluorine-substituted organic sulfonyl anion structure; (B) a thermal acid generator; and (C) an organic solvent. The material forms an adhesive film in a fine patterning process by a multilayer resist method in a semiconductor device manufacturing process, where the material gives an adhesive film that has high adhesiveness to a resist upper layer film, has an effect of suppressing fine pattern collapse, and also makes it possible to form an excellent pattern profile. A patterning process uses the material. A method forms the adhesive film.Type: ApplicationFiled: December 14, 2022Publication date: June 29, 2023Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Mamoru WATABE, Yuji HARADA, Takayoshi NAKAHARA, Yusuke BIYAJIMA, Tsutomu OGIHARA
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Patent number: 11592287Abstract: A method for measuring a distance of diffusion of a curing catalyst for a thermosetting silicon-containing material includes the steps of: forming a silicon-containing film from a composition containing a thermosetting silicon-containing material, a curing catalyst and a solvent; coating the silicon-containing film with a photosensitive resin composition containing a resin whose solubility in alkaline developer is increased by the action of an acid, an acid generator and a solvent, and subsequently heating to prepare a substrate on which the silicon-containing film and a resin film are formed; irradiating the substrate with a high energy beam or an electron beam to generate an acid and heat-treating the substrate to increase the solubility of the resin in an alkaline developer by the action of the acid in the resin film; dissolving the resin film in an alkaline developer; and measuring a film thickness of the remaining resin.Type: GrantFiled: March 4, 2020Date of Patent: February 28, 2023Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tsutomu Ogihara, Tsukasa Watanabe, Yoshio Kawai, Tomohiro Kobayashi, Yusuke Biyajima, Masahiro Kanayama
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Publication number: 20230059089Abstract: The present invention is a material for forming an adhesive film formed between a silicon-containing middle layer film and a resist upper layer film, the material for forming an adhesive film containing: (A) a resin having a structural unit shown by the following general formula (1); (B) a crosslinking agent containing one or more compounds shown by the following general formula (2); (C) a photo-acid generator; and (D) an organic solvent. This provides: a material for forming an adhesive film in a fine patterning process by a multilayer resist method in a semiconductor device manufacturing process, where the material gives an adhesive film that has high adhesiveness to a resist upper layer film, has an effect of suppressing fine pattern collapse, and that also makes it possible to form an excellent pattern profile; a patterning process using the material; and a method for forming the adhesive film.Type: ApplicationFiled: June 17, 2022Publication date: February 23, 2023Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Takayoshi NAKAHARA, Yusuke BIYAJIMA, Yuji HARADA, Tsutomu OGIHARA
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Patent number: 11555697Abstract: A method for measuring a distance of diffusion of a curing catalyst for a thermosetting silicon-containing material includes the steps of: forming a silicon-containing film from a composition containing a thermosetting silicon-containing material, a curing catalyst and a solvent; coating the silicon-containing film with a photosensitive resin composition containing a resin whose solubility in alkaline developer is increased by the action of an acid, an acid generator and a solvent, and subsequently heating to prepare a substrate on which the silicon-containing film and a resin film are formed; irradiating the substrate with a high energy beam or an electron beam to generate an acid and heat-treating the substrate to increase the solubility of the resin in an alkaline developer by the action of the acid in the resin film; dissolving the resin film in an alkaline developer; and measuring a film thickness of the remaining resin.Type: GrantFiled: March 4, 2020Date of Patent: January 17, 2023Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tsutomu Ogihara, Tsukasa Watanabe, Yoshio Kawai, Tomohiro Kobayashi, Yusuke Biyajima, Masahiro Kanayama
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Patent number: 11480879Abstract: The present invention provides a resist underlayer film capable of improving LWR and CDU in a fine pattern formed by a chemically-amplified resist which uses an acid as a catalyst. A composition for forming a silicon-containing resist underlayer film, including a thermosetting silicon-containing material (Sx), a curing catalyst (Xc), and a solvent, in which a distance of diffusion of the curing catalyst (Xc) from a resist underlayer film formed from the composition for forming a silicon-containing resist underlayer film to a resist upper layer film to be formed on the resist underlayer film is 5 nm or less.Type: GrantFiled: March 4, 2020Date of Patent: October 25, 2022Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tsutomu Ogihara, Tsukasa Watanabe, Yusuke Biyajima, Masahiro Kanayama
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Patent number: 11385544Abstract: A composition for forming a silicon-containing resist underlayer film contains at least: one or more compounds shown by the following general formula (P-0); and a thermally crosslinkable polysiloxane (Sx), where R100 represents divalent organic group substituted with one or more fluorine atoms; R101 and R102 each independently represent a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 20 carbon atoms optionally substituted with a hetero-atom or optionally interposed by hetero-atom; R103 represents linear, branched, or cyclic divalent hydrocarbon group having 1 to 20 carbon atoms optionally substituted with a hetero-atom or optionally interposed by hetero-atom; R101 and R102, or R101 and R103, are optionally bonded to each other to form a ring with sulfur atom in the formula; and L104 represents a single bond or linear, branched, or cyclic divalent hydrocarbon group having 1 to 20 carbon atoms optionally substituted with a hetero-atom or optionally interposed by hetero-atom.Type: GrantFiled: January 3, 2020Date of Patent: July 12, 2022Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tsutomu Ogihara, Yusuke Biyajima, Masahiro Kanayama, Tsukasa Watanabe, Masaki Ohashi
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Publication number: 20220163890Abstract: A resist underlayer film material contains: one or more compounds shown by the following general formula (1); and an organic solvent. W represents an organic group with a valency of “n” having 2 to 50 carbon atoms; X represents a terminal group structure shown by the following general formula (2) or (3); when a ratio of the structure of the following general formula (2) to that of (3) is “a” to “b”, “a” and “b” satisfy the relations 0.70?a?0.99 and 0.01?b?0.30. “n” represents an integer of 1 to 10. Z represents an aromatic group with a valency of (k+1) having 6 to 20 carbon atoms. “A” represents a single bond or —O—(CH2)p—. “k” represents an integer of 1 to 5. “p” represents an integer of 1 to 10. L represents a single bond or —(CH2)r—. “1” represents 2 or 3; and “r” represents an integer of 1 to 5.Type: ApplicationFiled: November 8, 2021Publication date: May 26, 2022Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Daisuke KORI, Takayoshi NAKAHARA, Yusuke BIYAJIMA, Yuji HARADA
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Publication number: 20210397092Abstract: A resist underlayer film material used in multilayer resist method contains (A) compound shown by following general formula (1), and (B) organic solvent, where X independently represents monovalent organic group shown by following general formula (2); W contains an “m” number of partial structures each independently shown by following formula (3); “m” and “n” each represent an integer of 1 to 10; broken lines represent bonding arms; Z represents aromatic group; A represents single bond or —O—(CH2)p—; “k” represents integer of 1 to 5; “p” represents integer of 1 to 10; R01 represents hydrogen atom or monovalent organic group having 1 to 10 carbon atoms. Material is capable of forming resist underlayer film excellent in planarizing property in fine patterning process by multilayer resist method in semiconductor-device manufacturing process; and patterning processes and methods for forming resist underlayer film use material.Type: ApplicationFiled: May 25, 2021Publication date: December 23, 2021Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Takayoshi NAKAHARA, Takeru WATANABE, Daisuke KORI, Yusuke BIYAJIMA, Tsutomu OGIHARA
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MATERIAL FOR FORMING ORGANIC FILM, METHOD FOR FORMING ORGANIC FILM, PATTERNING PROCESS, AND COMPOUND
Publication number: 20210286266Abstract: The present invention is a material for forming an organic film, including: a compound shown by the following general formula (1); and an organic solvent, where in the general formula (1), X represents an organic group with a valency of “n” having 2 to 50 carbon atoms or an oxygen atom, “n” represents an integer of 1 to 10, and R1 independently represents any of the following general formulae (2), where in the general formulae (2), broken lines represent attachment points to X, and Q1 represents a monovalent organic group containing a carbonyl group, at least a part of which is a group shown by the following general formulae (3), where in the general formulae (3), broken lines represent attachment points, X1 represents a single bond or a divalent organic group having 1 to 20 carbon atoms optionally having a substituent when the organic group has an aromatic ring, R2 represents a hydrogen atom, a methyl group, an ethyl group, or a phenyl group, and ** represents an attachment point.Type: ApplicationFiled: February 24, 2021Publication date: September 16, 2021Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Takayoshi NAKAHARA, Daisuke KORI, Yusuke BIYAJIMA -
MATERIAL FOR FORMING ORGANIC FILM, METHOD FOR FORMING ORGANIC FILM, PATTERNING PROCESS, AND COMPOUND
Publication number: 20210198472Abstract: The present invention provides a material for forming an organic film, containing a compound shown by the following general formula (1), and an organic solvent. In the formula (1), X represents an organic group having a valency of n1 and 2 to 50 carbon atoms, n1 represents an integer of 2 to 10, R1 represents at least one or more of the following formulae (2) to (4), where l1 represents 0 or 1, and l2 represents 0 or 1. Thus, provided is an organic film material for forming an organic film that has all of high filling property, high planarizing property, and excellent adhesive force to a substrate.Type: ApplicationFiled: November 5, 2020Publication date: July 1, 2021Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Daisuke KORI, Takayoshi NAKAHARA, Yusuke BIYAJIMA, Kazumi NODA -
MATERIAL FOR FORMING ORGANIC FILM, METHOD FOR FORMING ORGANIC FILM, PATTERNING PROCESS, AND COMPOUND
Publication number: 20210181637Abstract: The present invention provides a material for forming an organic film, containing a compound shown by the following general formula (1), and an organic solvent, where X represents an organic group having a valency of n1 and 2 to 50 carbon atoms, n1 represents an integer of 1 to 10, and R1 represents at least one or more of the following general formulae (2) to (4). This aims to provide an organic film material for forming an organic film that has all of high filling property, high planarizing property, and excellent adhesive force to a substrate.Type: ApplicationFiled: November 4, 2020Publication date: June 17, 2021Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Daisuke KORI, Takayoshi NAKAHARA, Yusuke BIYAJIMA -
Patent number: 11018015Abstract: The invention provides: a composition for forming an organic film, the composition having high filterability and enabling formation of an organic film which has high pattern-curving resistance, and which prevents a high-aspect line pattern particularly finer than 40 nm from line collapse and twisting after dry etching; a method for forming an organic film and a patterning process which use the composition; and a substrate for manufacturing a semiconductor device, including the organic film formed on the substrate. The composition for forming an organic film includes a condensate (A), which is a condensation product of dihydroxynaphthalene shown by the following formula (1) and a condensation agent, or a derivative of the condensate (A). A sulfur content among constituent elements contained in the condensate (A) or the derivative of the condensate (A) is 100 ppm or less in terms of mass.Type: GrantFiled: December 19, 2018Date of Patent: May 25, 2021Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tsutomu Ogihara, Daisuke Kori, Seiichiro Tachibana, Yusuke Biyajima, Naoki Kobayashi, Kazumi Noda
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Publication number: 20210088908Abstract: A composition for forming a silicon-containing resist underlayer film contains at least one or more kinds of a quaternary ammonium salt shown by the following general formula (A-1), and a thermally crosslinkable polysiloxane (Sx), where Ar1 represents an aromatic group having 6 to 20 carbon atoms, or a heteroaromatic group having 4 to 20 carbon atoms. R11 represents an alkyl group, alkenyl group, oxoalkyl group, or oxoalkenyl group having 1 to 12 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group or aryloxoalkyl group having 7 to 12 carbon atoms. Some or all of hydrogen atoms of these groups are optionally substituted. Z? represents an organic or inorganic anion as a counterion of the quaternary ammonium cation. An object is to provide a silicon-containing resist underlayer film having high effect of suppressing ultrafine pattern collapse and appropriate etching rate in multilayer resist methods.Type: ApplicationFiled: August 24, 2020Publication date: March 25, 2021Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yusuke KAI, Takeru WATANABE, Yusuke BIYAJIMA, Tsutomu OGIHARA
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Publication number: 20210026246Abstract: A composition for forming a silicon-containing resist underlayer film includes: a thermosetting silicon-containing material containing any one or more of a partial structure shown by the general formula (Sx-1), (Sx-2), and (Sx-3); and a compound shown by the general formula (P-0), where R1 represents an organic group that has or generates a silanol group, a hydroxy group, or a carboxy group; R2 and R3 are each independently the same as R1 or each represent a hydrogen atom or a monovalent substituent having 1 to 30 carbon atoms; R100 represents a divalent organic group substituted with a fluorine atom; R101 and R102 each independently represents a monovalent hydrocarbon group having 1 to 20 carbon atoms; R103 represents a divalent hydrocarbon group having 1 to 20 carbon atoms; and L104 represents a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms.Type: ApplicationFiled: July 14, 2020Publication date: January 28, 2021Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tsutomu OGIHARA, Yusuke BIYAJIMA, Masahiro KANAYAMA