Patents by Inventor Masako Sugihara

Masako Sugihara 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: 11561471
    Abstract: A photoresist composition comprising: a resin which has a structural unit represented by formula (I): wherein R1 represents a hydrogen atom, a halogen atom, or a C1 to C6 alkyl group which optionally has a halogen atom, and R2 represents a C1 to C42 hydrocarbon group which optionally has a substituent; an alkali-soluble resin; an acid generator; and a solvent.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: January 24, 2023
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako Sugihara, Takashi Nishimura, Hiromu Sakamoto
  • Patent number: 11543749
    Abstract: The present invention provides a resist composition which has sufficient resistant to a plating treatment and is capable of forming a resist pattern with high accuracy. The present invention also provides a method for producing a resist pattern using the resist composition, and a method for producing a plated molded article using the resist pattern. The present invention relates to a resist composition comprising a compound (I) having a quinone diazide sulfonyl group, a resin comprising a structural unit having an acid-labile group (A1), an alkali-soluble resin (A2) and an acid generator (B); a method for producing a resist pattern using the resist composition; and a method for producing a plated molded article using the resist pattern.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: January 3, 2023
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako Sugihara, Takashi Nishimura, Junji Nakanishi
  • Publication number: 20210278765
    Abstract: The present invention provides a resist composition which has sufficient resistant to a plating treatment and is capable of forming a resist pattern with high accuracy. The present invention also provides a method for producing a resist pattern using the resist composition, and a method for producing a plated molded article using the resist pattern. The present invention relates to a resist composition comprising a compound (I) having a quinone diazide sulfonyl group, a resin comprising a structural unit having an acid-labile group (A1), an alkali-soluble resin (A2) and an acid generator (B); a method for producing a resist pattern using the resist composition; and a method for producing a plated molded article using the resist pattern.
    Type: Application
    Filed: February 18, 2021
    Publication date: September 9, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako SUGIHARA, Takashi NISHIMURA, Junji NAKANISHI
  • Patent number: 10969685
    Abstract: A photoresist composition comprising: a resin which has an acid-labile group; an acid generator; a compound which has a sulfide bond and a mercapto group; and a solvent.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: April 6, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako Sugihara, Maki Kawamura, Maiko Goda
  • Publication number: 20200209749
    Abstract: Disclosed is a resist composition including a novolak resin in which a hydroxy group is substituted with a group represented by formula (3), an acid generator, a quencher, and a solvent: wherein, in formula (3), Ra10 represents a hydrocarbon group having 1 to 20 carbon atoms (e.g., a chain hydrocarbon group such as an alkyl group, an alkenyl group and an alkynyl group, an alicyclic hydrocarbon group, an aromatic hydrocarbon group, groups formed by combining these groups, etc.) and * represents a bond.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 2, 2020
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako SUGIHARA, Mutsuko HIGO
  • Patent number: 10365560
    Abstract: A resist composition contains: a resin having a structural unit represented by formula (I), an alkali-soluble resin, an acid generator, and a solvent: wherein Ri51 represents a hydrogen atom or a methyl group, Ri52 and Ri53 each independently represent a hydrogen atom or a C1 to C12 hydrocarbon group, Ri54 represents a C5 to C20 alicyclic hydrocarbon group, Ri55 represents a C1 to C6 alkyl group or a C1 to C6 alkoxy group, and “p” represents an integer of 0 to 4.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: July 30, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako Sugihara, Junji Nakanishi, Takashi Nishimura
  • Patent number: 10101657
    Abstract: A resist composition contains: a resin having an acid-labile group, a resin having a structural unit represented by formula (I), an acid generator, and a solvent; wherein Ri41 represents a hydrogen atom or a methyl group, Ri42 represents a C1 to C10 hydrocarbon group that may be substituted with a hydroxy group, a C2 to C7 acyl group or a hydrogen atom, Ri43 in each occurrence independently represents a C1 to C6 alkyl group or a C1 to C6 alkoxy group, “p” represents an integer of 0 to 4, Z represents a divalent C3 to C20 hydrocarbon group having a group represented by formula (Ia), and a methylene group contained in the hydrocarbon group may be replaced by an oxygen atom, a sulfur atom or a carbonyl group, *—[(CH2)w—O]r— (Ia): wherein “w” and “r” each independently represents an integer of 1 to 10, and * represent a bonding position.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: October 16, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako Sugihara, Takashi Nishimura
  • Patent number: 9740097
    Abstract: A resist composition contains: a resin having an acid-labile group, an acid generator, a compound having two or more phenolic-hydroxy groups and being other than a resin, and a solvent. The resist composition of the disclosure can provide a resist pattern showing excellent shape and detachability, therefore, the present resist composition can be used for semiconductor microfabrication with resist patterns showing excellent shape.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: August 22, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako Sugihara, Junji Nakanishi
  • Patent number: 9726976
    Abstract: A photoresist composition comprising an acid generator and a resin comprising a structural unit derived from a monomer represented by the formula (1): wherein R1 represents a hydrogen atom etc., R2 represents a hydrogen atom or a C1-C4 alkyl group, A1 represents a single bond etc., and B1 represents a group represented by the formula (1a): wherein R3, R4 and R5 each independently represents a C1-C16 aliphatic hydrocarbon group and R4 and R5 can be bonded each other to form a C3-C18 ring together with the carbon atom to which R4 and R5 are bonded, a C4-C20 saturated cyclic group having a lactone structure or a C5-C20 saturated cyclic hydrocarbon group having at least one hydroxyl group.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: August 8, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Koji Ichikawa, Hiromu Sakamoto, Masako Sugihara, Takashi Hiraoka
  • Publication number: 20170168393
    Abstract: A photoresist composition comprising: a resin which has a structural unit represented by formula (I): wherein R1 represents a hydrogen atom, a halogen atom, or a C1 to C6 alkyl group which optionally has a halogen atom, and R2 represents a C1 to C42 hydrocarbon group which optionally has a substituent; an alkali-soluble resin; an acid generator; and a solvent.
    Type: Application
    Filed: December 7, 2016
    Publication date: June 15, 2017
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako SUGIHARA, Takashi NISHIMURA, Hiromu SAKAMOTO
  • Publication number: 20160291465
    Abstract: A resist composition contains: a resin having a structural unit represented by formula (I), an alkali-soluble resin, an acid generator, and a solvent: wherein Ri51 represents a hydrogen atom or a methyl group, Ri52 and Ri53 each independently represent a hydrogen atom or a C1 to C12 hydrocarbon group, Ri54 represents a C5 to C20 alicyclic hydrocarbon group, Ri55 represents a C1 to C6 alkyl group or a C1 to C6 alkoxy group, and “p” represents an integer of 0 to 4.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 6, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako SUGIHARA, Junji NAKANISHI, Takashi NISHIMURA
  • Publication number: 20160291466
    Abstract: A resist composition contains: a resin having an acid-labile group, an acid generator, a compound having two or more phenolic-hydroxy groups and being other than a resin, and a solvent. The resist composition of the disclosure can provide a resist pattern showing excellent shape and detachability, therefore, the present resist composition can be used for semiconductor microfabrication with resist patterns showing excellent shape.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 6, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako SUGIHARA, Junji NAKANISHI
  • Publication number: 20160291467
    Abstract: A resist composition contains: a resin having an acid-labile group, a resin having a structural unit represented by formula (I), an acid generator, and a solvent; wherein Ri41 represents a hydrogen atom or a methyl group, Ri42 represents a C1 to C10 hydrocarbon group that may be substituted with a hydroxy group, a C2 to C7 acyl group or a hydrogen atom, Ri43 in each occurrence independently represents a C1 to C6 alkyl group or a C1 to C6 alkoxy group, “p” represents an integer of 0 to 4, Z represents a divalent C3 to C20 hydrocarbon group having a group represented by formula (Ia), and a methylene group contained in the hydrocarbon group may be replaced by an oxygen atom, a sulfur atom or a carbonyl group, *—[(CH2)w—O]r— (Ia): wherein “w” and “r” each independently represents an integer of 1 to 10, and * represent a bonding position.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 6, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako SUGIHARA, Takashi NISHIMURA
  • Patent number: 9346750
    Abstract: A salt represented by the formula (X): wherein Q1 and Q2 each independently represent a fluorine atom etc., L1 and L2 independently each represent a C1-C17 divalent saturated hydrocarbon group, ring W1 represents a C3-C36 saturated hydrocarbon ring, R2 is independently in each occurrence a hydroxyl group etc., s represents an integer of 0 to 2, Z+ represents an organic counter ion, and W10 represents a group represented by the formula (X-1): wherein ring W2 represents a C4-C36 saturated hydrocarbon ring in which one or more —CH2— can be replaced by —O— or —CO—, with the proviso that at least one —CH2— in the C4-C36 saturated hydrocarbon ring is replaced by —CO—, R3 is independently in each occurrence a C1-C6 alkyl group etc., and t represents an integer of 0 to 2, or a group represented by the formula (X-2): wherein ring W3 represents a C3-C36 saturated hydrocarbon ring, R4 is independently in each occurrence a hydroxyl group etc., R5 is independently in each occurrence a C1-C6 alkyl group etc.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: May 24, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Koji Ichikawa, Mitsuyoshi Ochiai, Masako Sugihara
  • Patent number: 9221785
    Abstract: A salt having a group represented by the formula (I): -T??(I) wherein T represents a C3-C36 alicyclic hydrocarbon group in which at least two methylene groups are replaced by —O— or —S— and which can have one or more substituents.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: December 29, 2015
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Koji Ichikawa, Masako Sugihara, Masahiko Shimada
  • Patent number: 9182663
    Abstract: A photoresist composition comprising: a resin which shows an increase in solubility in an aqueous alkali solution by an action of an acid; an acid generator; a compound represented by formula (I); and a solvent the amount of which is from 40 to 75% by mass of the total amount of the photoresist composition: wherein the ring W1 is a nitrogen-containing heterocyclic ring, or a benzene ring having a substituted or unsubstituted amino group, A1 represents a phenyl group or a naphtyl group, and n represents an integer of 2 or 3.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: November 10, 2015
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako Sugihara, Maki Kawamura
  • Publication number: 20150086927
    Abstract: A photoresist composition comprising: a resin which has an acid-labile group; an acid generator; a compound which has a sulfide bond and a mercapto group; and a solvent.
    Type: Application
    Filed: September 19, 2014
    Publication date: March 26, 2015
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako SUGIHARA, Maki KAWAMURA, Maiko GODA
  • Patent number: 8765351
    Abstract: A salt represented by the formula (X): wherein Q1 and Q2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, L1 represents a C1-C17 divalent saturated hydrocarbon group in which one or more —CH2— can be replaced by —O— or —CO—, ring W1 represents a C4-C36 lactone ring, R3 is a C1-C6 alkyl group etc., t represents an integer of 0 to 2, Z+ represents an organic counter ion, and W10 represents a group represented by the formula (X-1): wherein L2 represents a single bond etc., ring W2 represents a C3-C36 saturated hydrocarbon ring in which one —CH2— is replaced by —CO— and in which one or more —CH2— can be replaced by —O— or —CO—, R1 represents a C1-C12 hydrocarbon group, R2 is a C1-C6 alkyl group etc.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: July 1, 2014
    Assignee: Sumitomo Chemical Company, Limted
    Inventors: Koji Ichikawa, Masako Sugihara, Isao Yoshida
  • Publication number: 20140017611
    Abstract: A photoresist composition comprising: a resin which shows an increase in solubility in an aqueous alkali solution by an action of an acid; an acid generator; a compound represented by formula (I); and a solvent the amount of which is from 40 to 75% by mass of the total amount of the photoresist composition: wherein the ring W1 is a nitrogen-containing heterocyclic ring, or a benzene ring having a substituted or unsubstituted amino group, A1 represents a phenyl group or a naphtyl group, and n represents an integer of 2 or 3.
    Type: Application
    Filed: May 28, 2013
    Publication date: January 16, 2014
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masako SUGIHARA, Maki KAWAMURA
  • Patent number: 8614046
    Abstract: A salt represented by the formula (I-Pa): wherein Xpa represents a single bond or a C1-C4 alkylene group, Rpa represents a single bond, a C4-C36 divalent alicyclic hydrocarbon group or a C6-C36 divalent aromatic hydrocarbon group, and one or more methylene groups in the divalent alicyclic hydrocarbon group can be replaced by —O— or —CO—, Ypa represents a polymerizable group, and Zpa+ represents an organic cation.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: December 24, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Koji Ichikawa, Masako Sugihara, Yuko Yamashita