Patents by Inventor Keisuke NIIDA

Keisuke NIIDA 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: 11886118
    Abstract: A material for forming an organic film, including: a compound for forming an organic film shown by the following general formula (1A); and an organic solvent, where W1 represents a tetravalent organic group, n1 an integer of 0 or 1, n2 an integer of 1 to 3, and R1 an alkynyl group having 2 to 10 carbon atoms. A compound for forming an organic film is cured not only under air, but also under film formation conditions of inert gas, and forms an organic film having not only excellent heat resistance and properties of filling and planarizing a pattern formed on a substrate, but also favorable adhesion to a substrate, and a material for forming an organic film containing the compound, and a substrate for manufacturing a semiconductor device using the material, a method for forming an organic film using the material, and a patterning process using the material.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: January 30, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daisuke Kori, Takashi Sawamura, Keisuke Niida, Seiichiro Tachibana
  • Patent number: 11851530
    Abstract: A material for forming an organic film, including: a polymer having a structure shown by the following general formula (1A) as a partial structure; and an organic solvent, where in the general formula (1A), W1 represents a tetravalent organic group, W2 represents a single bond or a linking group shown by the following formula (1B), R1 represents a hydrogen atom or a monovalent organic group having 1 to 10 carbon atoms, n1 represents an integer of 0 or 1, and n2 and n3 satisfy 0?n2?6,0?n3?6, and 1?n2+n3?6, and where R2 and R3 each independently represent hydrogen or an organic group having 1 to 30 carbon atoms, and the organic group R2 and the organic group R3 optionally bond to each other within a molecule to form a cyclic organic group.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: December 26, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daisuke Kori, Takashi Sawamura, Keisuke Niida, Seiichiro Tachibana
  • Publication number: 20230400770
    Abstract: 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: Application
    Filed: June 8, 2023
    Publication date: December 14, 2023
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takayoshi NAKAHARA, Yusuke BIYAJIMA, Daisuke KORI, Keisuke NIIDA, Yuji HARADA
  • Publication number: 20230260787
    Abstract: Provided is a composition for forming a protective film using a polymer having an imide group: that is cured under a film-forming condition not only in the air but in an inert gas; that can form a protective film having excellent heat resistance, embedding and planarization ability for a pattern formed on a substrate, and good adhesiveness to the substrate; and that can form a protective film having excellent resistance against an alkaline aqueous hydrogen peroxide.
    Type: Application
    Filed: January 18, 2023
    Publication date: August 17, 2023
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Keisuke NIIDA, Takashi SAWAMURA, Daisuke KORI, Seiichiro TACHIBANA
  • Patent number: 11692066
    Abstract: An object of the present invention is to provide: a compound containing an imide group which is not only cured under film formation conditions of inert gas as well as air, generates no by-product and has excellent heat resistance and properties of filling and planarizing a pattern formed on a substrate, but can also form an organic underlayer film with favorable adhesion to a substrate.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: July 4, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daisuke Kori, Keisuke Niida, Takashi Sawamura, Takeru Watanabe, Seiichiro Tachibana, Tsutomu Ogihara
  • Patent number: 11676814
    Abstract: A material for forming an organic film using a polymer including an imide group for forming an organic underlayer film that cures under film-forming conditions in the air and in an inert gas, generates no by-product in heat resistance and embedding and flattening characteristics of a pattern formed on a substrate, also adhesiveness to a substrate for manufacturing a semiconductor apparatus, a method for forming an organic film, and a patterning process. The material includes (A) a polymer having a repeating unit represented by the following general formula (1A) whose terminal group is a group represented by either of the following general formulae (1B) or (1C), and (B) an organic solvent: wherein, W1 represents a tetravalent organic group, and W2 represents a divalent organic group: wherein, R1 represents any of the groups represented by the following formula (1D), and two or more of R1s may be used in combination.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: June 13, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daisuke Kori, Takashi Sawamura, Keisuke Niida, Seiichiro Tachibana, Takeru Watanabe, Tsutomu Ogihara
  • Publication number: 20230161258
    Abstract: The present invention is a material for forming an organic film, the material containing (A) a compound for forming an organic film shown by the following general formula (1A), and (B) an organic solvent. This provides a material for forming an organic film which is not only capable of forming an organic film excellent in planarizing property and film formability even on a substrate to be processed having a portion that makes particularly planarization difficult, such as wide trench structure (wide trench), in a fine patterning process by a multilayer resist method in a semiconductor-device manufacturing process, and which is also capable of withstanding high-temperature heating in forming an inorganic hard mask middle layer film by a CVD method.
    Type: Application
    Filed: November 15, 2022
    Publication date: May 25, 2023
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Keisuke NIIDA, Yasuyuki YAMAMOTO
  • Publication number: 20230152702
    Abstract: A material for forming a filling film for inhibiting semiconductor substrate pattern collapse contains: (A) a polymer having a structural unit shown by the following general formula (1); (B) a residual-solvent removal promoter containing a compound shown by the following general formula (2); and (C) an organic solvent. A ratio Mw/Mn of a weight-average molecular weight Mw and a number-average molecular weight Mn of the polymer (A) in terms of polystyrene by a gel permeation chromatography method is 2.50?Mw/Mn?9.00. The residual-solvent removal promoter (B) is contained in an amount of 0.1 to 40 parts by mass based on 100 parts by mass of the polymer (A). The material for forming a filling film for inhibiting semiconductor substrate pattern collapse contains no acid generator.
    Type: Application
    Filed: October 20, 2022
    Publication date: May 18, 2023
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Naoki KOBAYASHI, Daisuke KORI, Keisuke NIIDA, Toshiharu YANO
  • Patent number: 11635691
    Abstract: A composition for forming an organic film contains a polymer having a partial structure shown by the following general formula (1) as a repeating unit, and an organic solvent. Each of AR1 and AR2 represents a benzene ring or naphthalene ring which optionally have a substituent; W1 represents a particular partial structure having a triple bond, and the polymer optionally contains two or more kinds of W1; and W2 represents a divalent organic group having 6 to 80 carbon atoms and at least one aromatic ring. This invention provides: a polymer curable even under film formation conditions in an inert gas and capable of forming an organic film which has not only excellent heat resistance and properties of filling and planarizing a pattern formed in a substrate, but also favorable film formability onto a substrate with less sublimation product; and a composition for forming an organic film, containing the polymer.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: April 25, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daisuke Kori, Takashi Sawamura, Keisuke Niida, Seiichiro Tachibana, Takeru Watanabe, Tsutomu Ogihara
  • Patent number: 11500292
    Abstract: An object of the present invention is to provide: a compound containing an imide group which is not only cured under film formation conditions of inert gas as well as air and has excellent heat resistance and properties of filling and planarizing a pattern formed on a substrate, but can also form an organic underlayer film with favorable adhesion to a substrate, and a material for forming an organic film containing the compound.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: November 15, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daisuke Kori, Keisuke Niida, Takashi Sawamura, Seiichiro Tachibana, Takeru Watanabe, Tsutomu Ogihara
  • Publication number: 20220221793
    Abstract: The present invention is a composition for forming a silicon-containing resist underlayer film, containing one or both of a hydrolysis product and a hydrolysis condensate of one or more silicon compounds (A-1) shown by the following general formula (1). This provides: a composition for forming a silicon-containing resist underlayer film with which it is possible to form a resist underlayer film having favorable adhesiveness to resist patterns regardless of whether in negative development or positive development, and also having favorable adhesiveness to finer patterns as in EUV photo-exposure; a patterning process; and a silicon compound.
    Type: Application
    Filed: December 7, 2021
    Publication date: July 14, 2022
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Keisuke NIIDA, Yusuke KAI, Tsutomu OGIHARA
  • Patent number: 11307497
    Abstract: A compound including two or more partial structures shown by the following general formula (1-1) in the molecule, wherein each Ar independently represents an aromatic ring optionally having a substituent or an aromatic ring that contains at least one nitrogen atom optionally having a substituent, and two Ars are optionally bonded with each other to form a ring structure; the broken line represents a bond with an organic group; B represents an anionic leaving group that is capable of forming a reactive cation due to effect of either or both of heat and acid. This provides a compound that is capable of curing under the film forming conditions in air or an inert gas without forming byproducts, and forming an organic under layer film that has good dry etching durability during substrate processing not only excellent characteristics of gap filling and planarizing a pattern formed on a substrate.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: April 19, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Seiichiro Tachibana, Takeru Watanabe, Keisuke Niida, Hiroko Nagai, Takashi Sawamura, Tsutomu Ogihara
  • Patent number: 11181821
    Abstract: The invention provides a composition for forming an organic film, which generates no by-product even under such a film formation condition in an inert gas to prevent substrate corrosion, which is capable of forming an organic film not only excellent in properties of filling and planarizing a pattern formed on a substrate but also favorable for dry etching resistance during substrate processing, and further which causes no fluctuation in film thickness of the film due to thermal decomposition even when a CVD hard mask is formed on the organic film. The composition for forming an organic film includes (A) a polymer having a repeating unit shown by the following general formula (1) and (B) an organic solvent.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: November 23, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daisuke Kori, Tsutomu Ogihara, Takeru Watanabe, Keisuke Niida, Takashi Sawamura
  • Publication number: 20210311395
    Abstract: A material for forming an organic film, including: a compound for forming an organic film shown by the following general formula (1A); and an organic solvent, where W1 represents a tetravalent organic group, n1 an integer of 0 or 1, n2 an integer of 1 to 3, and R1 an alkynyl group having 2 to 10 carbon atoms. A compound for forming an organic film is cured not only under air, but also under film formation conditions of inert gas, and forms an organic film having not only excellent heat resistance and properties of filling and planarizing a pattern formed on a substrate, but also favorable adhesion to a substrate, and a material for forming an organic film containing the compound, and a substrate for manufacturing a semiconductor device using the material, a method for forming an organic film using the material, and a patterning process using the material.
    Type: Application
    Filed: February 22, 2021
    Publication date: October 7, 2021
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daisuke KORI, Takashi SAWAMURA, Keisuke NIIDA, Seiichiro TACHIBANA
  • Publication number: 20210278766
    Abstract: The present invention provides a. coating-type composition for forming an. organic film containing: a polymer having a structure shown by the following general formula (1) as a partial structure; and an organic solvent, where in the formula (1), ring structures Ar1 and Ar2 represent a benzene rive or a naphthalene ring optionally having a substituent, and W1 represents an aryl croup having 6 to 30 carbon atoms and optionally having a substituent. This provides a coating-type composition for forming an organic film that can. form an organic film having high pattern-curving resistance and high dry-etching resistance, the composition being excellent in solvent solubility and having a low generation of defects.
    Type: Application
    Filed: February 24, 2021
    Publication date: September 9, 2021
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Keisuke NIIDA, Daisuke KORI, Yasuyuki YAMAMOTO, Takayoshi NAKAHARA, Tsutomu OGIHARA
  • Publication number: 20210269597
    Abstract: A material for forming an organic film, including: a polymer having a structure shown by the following general formula (1A) as a partial structure; and an organic solvent, where in the general formula (1A), W1 represents a tetravalent organic group, W2 represents a single bond or a linking group shown by the following formula (1B), R1 represents a hydrogen atom or a monovalent organic group having 1 to 10 carbon atoms, n1 represents an integer of 0 or 1, and n2 and n3 satisfy 0?n2?6, 0?n3?6, and 1?n2+n3?6, and where R2 and R3 each independently represent hydrogen or an organic group having 1 to 30 carbon atoms, and the organic group R2 and the organic group R3 optionally bond to each other within a molecule to form a cyclic organic group.
    Type: Application
    Filed: January 26, 2021
    Publication date: September 2, 2021
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daisuke KORI, Takashi SAWAMURA, Keisuke NIIDA, Seiichiro TACHIBANA
  • Patent number: 11022882
    Abstract: A compound shown by the following general formula (1-1), AR1 and AR2 each independently represent an aromatic ring or an aromatic ring containing at least one nitrogen and/or sulfur atom, two AR1s, AR1 and AR2, or two AR2s are optionally bonded; AR3 represents a benzene, naphthalene, thiophene, pyridine, or diazine ring; A represents an organic group; B represents an anionic leaving group; Y represents a divalent organic group; “p” is 1 or 2; “q” is 1 or 2; “r” is 0 or 1; “s” is 2 to 4; when s=2, Z represents a single bond, divalent atom, or divalent organic group; and when s=3 or 4, Z represents a trivalent or quadrivalent atom or organic group. This compound cures to form an organic film, and also forms an organic under layer film.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: June 1, 2021
    Assignees: SHIN-ETSU CHEMICAL CO., LTD., INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Seiichiro Tachibana, Takeru Watanabe, Keisuke Niida, Hiroko Nagai, Takashi Sawamura, Tsutomu Ogihara, Alexander Edward Hess, Gregory Breyta, Daniel Paul Sanders, Rudy J. Wojtecki
  • Patent number: 10998197
    Abstract: The invention provides a composition for forming an organic film, which generates no by-product even under such a film formation condition in an inert gas to prevent substrate corrosion, which is capable of forming an organic film not only excellent in properties of filling and planarizing a pattern formed on a substrate but also favorable for dry etching resistance during substrate processing, and further which causes no fluctuation in film thickness of the film due to thermal decomposition even when a CVD hard mask is formed on the organic film. The composition for forming an organic film includes (A) a polymer having a repeating unit shown by the following general formula (1) and (B) an organic solvent.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: May 4, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daisuke Kori, Tsutomu Ogihara, Takeru Watanabe, Keisuke Niida, Takashi Sawamura
  • Patent number: 10934463
    Abstract: The present invention provides an adhesive film including a resin having a silsesquioxane in a side chain and a urethane bond in a main chain, together with a method for forming the same. The inventive adhesive film has excellent stretchability and strength, with the film surface having higher adhesion and thinner film thickness.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 2, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Keisuke Niida, Koji Hasegawa
  • Publication number: 20210003920
    Abstract: A composition for forming an organic film contains a polymer having a partial structure shown by the following general formula (1) as a repeating unit, and an organic solvent. Each of AR1 and AR2 represents a benzene ring or naphthalene ring which optionally have a substituent; W1 represents a particular partial structure having a triple bond, and the polymer optionally contains two or more kinds of W1; and W2 represents a divalent organic group having 6 to 80 carbon atoms and at least one aromatic ring. This invention provides: a polymer curable even under film formation conditions in an inert gas and capable of forming an organic film which has not only excellent heat resistance and properties of filling and planarizing a pattern formed in a substrate, but also favorable film formability onto a substrate with less sublimation product; and a composition for forming an organic film, containing the polymer.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 7, 2021
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daisuke KORI, Takashi SAWAMURA, Keisuke NIIDA, Seiichiro TACHIBANA, Takeru WATANABE, Tsutomu OGIHARA