Patents by Inventor Mari MURATA

Mari MURATA 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: 11822240
    Abstract: A resist composition that generates an acid upon exposure and whose solubility in a developing solution is changed by action of an acid, the resist composition containing a base material component whose solubility in a developing solution is changed by action of an acid, and a compound represented by General Formula (e1) in which Rd01 represents a monovalent organic group and Rd02 represents a single bond or a divalent linking group
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: November 21, 2023
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Yasuhiro Yoshii, Yosuke Suzuki, Yoichi Hori, Takahiro Kojima, Mari Murata
  • Patent number: 11256169
    Abstract: A resist composition containing a resin component having a structural unit containing a group which is dissociated under the action of an acid and compound represented by the general formula (bd1). In the formula (bd1), Rx1 to Rx4 represent a hydrocarbon group or a hydrogen atom or may be mutually bonded to form a ring structure, Ry1 to Ry2 represent a hydrocarbon group or a hydrogen atom or may be mutually bonded to form a ring structure, and Rz1 to Rz4 represent a hydrocarbon group or a hydrogen atom or may be mutually bonded to form a ring structure.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: February 22, 2022
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takuya Ikeda, Nobuhiro Michibayashi, Mari Murata, Hiroto Yamazaki, Masatoshi Arai, Yoshitaka Komuro
  • Publication number: 20210200087
    Abstract: A resist composition containing a resin component exhibiting changed solubility in a developing solution under action of acid, and a compound represented by General Formula (d0), the resin component containing a polymer compound having a constitutional unit having a monocyclic alicyclic hydrocarbon group, Rd0 represents a monovalent organic group; Xd0 represents —O—, —C(?O)—, —O—C(?O)—, —C(?O)—O—, —S—, or —SO2—; Ydx0 represents a single bond or the like; Rd001 to Rd004 represents a hydrogen atom or the like; and Mm+ represents an m-valent organic cation
    Type: Application
    Filed: December 17, 2020
    Publication date: July 1, 2021
    Inventors: Yoichi HORI, Yasuhiro YOSHII, Yosuke SUZUKI, Takahiro KOJIMA, Mari MURATA
  • Publication number: 20210200086
    Abstract: A resist composition containing a compound (D0) represented by General Formula (d0) and a polymer compound having a constitutional unit (a01) containing an acid-decomposable group having a polarity which is increased by action of an acid and a constitutional unit (a02) derived from a compound represented by General Formula (a02-1), and a solid content concentration is 5% by mass or less. In General Formula (d0), Rd0 represents a monovalent organic group, Xd0 represents —O— or the like, Yd0 represents a single bond, and Mm+ represents an m-valent organic cation.
    Type: Application
    Filed: December 16, 2020
    Publication date: July 1, 2021
    Inventors: Mari MURATA, Takahiro KOJIMA, Yasuhiro YOSHII, Yosuke SUZUKI, Yoichi HORI
  • Publication number: 20210191262
    Abstract: A resist composition is provided that generates an acid upon exposure and whose solubility in a developing solution is changed by action of an acid, the resist composition containing a base material component whose solubility in a developing solution is changed by action of an acid, and a compound represented by General Formula (e1) in which Rd01 represents a monovalent organic group and Rd02 represents a single bond or a divalent linking group
    Type: Application
    Filed: December 14, 2020
    Publication date: June 24, 2021
    Inventors: Yasuhiro YOSHII, Yosuke SUZUKI, Yoichi HORI, Takahiro KOJIMA, Mari MURATA
  • Publication number: 20210165324
    Abstract: A resist composition containing: a base material component exhibiting changed solubility in a developing solution under action of acid; an acid generator component generating an acid upon exposure; and a photodegradable base controlling diffusion of the acid generated from the acid generator component upon exposure, in which the photodegradable base contains a compound represented by General Formula (d0), in which R011 represents an aryl group having an electron-withdrawing group, R021 and R022 each independently represent an aryl group which may have a substituent, Z represents a sulfur atom, an oxygen atom, a carbonyl group, or a single bond, and X? represents a counter anion
    Type: Application
    Filed: November 24, 2020
    Publication date: June 3, 2021
    Inventors: Yosuke SUZUKI, Takahiro KOJIMA, Yasuhiro YOSHII, Yoichi HORI, Mari MURATA
  • Publication number: 20210141307
    Abstract: A resist composition including a base material component (A), an acid-generator component (B) and a photodegradable base (D1), the base material component (A) including a resin component (A1) having a structural unit (a10), at least one of the acid-generator component (B) and the photodegradable base (D1) including a compound (BD1), and a total amount of the acid-generator component (B) and the photodegradable base (D1) being 25 parts by weight or more, relative to 100 parts by weight of the base material component (A) (in formula (a10-1), Wax1 represents an aromatic hydrocarbon group which may have a substituent; in formula (bd1), R001 to R003 represents a monovalent organic group, and at least one has an acid dissociable group)
    Type: Application
    Filed: November 4, 2020
    Publication date: May 13, 2021
    Inventors: Mari Murata, Yoshitaka Komuro, Masatoshi Arai, Takashi Nagamine, KhanhTin Nguyen
  • Publication number: 20200183273
    Abstract: A resist composition including a base material component (A) whose solubility in a developing solution is changed due to the action of an acid, and a compound (D0) formed of an anion moiety and a cation moiety which is represented by Formula (d0), in which the cation moiety of the compound (D0) has a Log P value of less than 7.7. In the formula, Mm+ represents an m-valent organic cation, Rd0 represents a substituent, p represents an integer of 0 to 3, q represents an integer of 0 to 3, n represents an integer of 2 or greater, and a relationship of “n+p?(q×2)+5” is satisfied.
    Type: Application
    Filed: November 18, 2019
    Publication date: June 11, 2020
    Inventors: KhanhTin NGUYEN, Mari MURATA, Masatoshi ARAI, Nobuhiro MICHIBAYASHI
  • Publication number: 20190361346
    Abstract: A resist composition containing a resin component having a structural unit containing a group which is dissociated under the action of an acid and compound represented by the general formula (bd1). In the formula (bd1), Rx1 to Rx4 represent a hydrocarbon group or a hydrogen atom or may be mutually bonded to form a ring structure, Ry1 to Ry2 represent a hydrocarbon group or a hydrogen atom or may be mutually bonded to form a ring structure, and Rz1 to Rz4 represent a hydrocarbon group or a hydrogen atom or may be mutually bonded to form a ring structure.
    Type: Application
    Filed: May 23, 2019
    Publication date: November 28, 2019
    Inventors: Takuya IKEDA, Nobuhiro MICHIBAYASHI, Mari MURATA, Hiroto YAMAZAKI, Masatoshi ARAI, Yoshitaka KOMURO