Patents Examined by Cynthia Hamilton
  • Patent number: 10761426
    Abstract: The pattern forming method includes forming an actinic ray-sensitive or radiation-sensitive film using an actinic ray-sensitive or radiation-sensitive composition, forming an upper layer film using a composition for forming an upper layer film on the actinic ray-sensitive or radiation-sensitive film, exposing the actinic ray-sensitive or radiation-sensitive film having the upper layer film formed thereon, and developing the exposed actinic ray-sensitive or radiation-sensitive film using a developer containing an organic solvent, in which the composition for forming an upper layer film includes a resin and at least one of a compound capable of generating an acid with actinic rays or radiation, a compound capable of generating an acid with heat, and an acid, in which the resin includes a repeating unit represented by General Formula (II). The method for manufacturing an electronic device includes the pattern forming method. A laminate includes the film and the upper layer film.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: September 1, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Hideaki Tsubaki, Wataru Nihashi, Toru Tsuchihashi, Kei Yamamoto
  • Patent number: 10761424
    Abstract: The present invention provides an actinic ray-sensitive or radiation-sensitive resin composition which is capable of forming a pattern having a low LWR and is further suppressed in the collapse of the formed pattern, a resist film, a pattern forming method, and a method for manufacturing an electronic device. The actinic ray-sensitive or radiation-sensitive resin composition of the present invention contains a photoacid generator represented by General Formula (1) or a resin having a residue obtained by removing one hydrogen atom from the photoacid generator represented by General Formula (1).
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: September 1, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Ryo Nishio, Masafumi Kojima, Akiyoshi Goto, Tomotaka Tsuchimura, Michihiro Shirakawa, Keita Kato
  • Patent number: 10754248
    Abstract: The present invention provides a sulfonium salt capable of providing a resist composition having few defects in photolithography where a high energy beam is used as a light source, and excellent in lithography performance by controlling acid diffusion.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: August 25, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takayuki Fujiwara, Ryo Mitsui, Kazuhiro Katayama
  • Patent number: 10725378
    Abstract: A resist composition comprising a base polymer and a sulfonium or iodonium salt of brominated benzene-containing fluorinated sulfonic acid offers a high sensitivity and minimal LWR or improved CDU independent of whether it is of positive or negative tone.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: July 28, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Masaki Ohashi
  • Patent number: 10703917
    Abstract: In one aspect, organic coating compositions, particularly antireflective coating compositions, are provided that comprise that comprise a diene/dienophile reaction product. In another aspect, organic coating compositions, particularly antireflective coating compositions, are provided that comprise a component comprising a hydroxyl-naphthoic group, such as a 6-hydroxy-2-naphthoic group Preferred compositions of the invention are useful to reduce reflection of exposing radiation from a substrate back into an overcoated photoresist layer and/or function as a planarizing, conformal or via-fill layer.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: July 7, 2020
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: John P. Amara, James F. Cameron, Jin Wuk Sung, Gregory P. Prokopowicz
  • Patent number: 10698314
    Abstract: A chemically amplified resist composition comprising a quencher containing a quaternary ammonium iodide, dibromoiodide, bromodiiodide or triiodide, and an acid generator exhibits a sensitizing effect and an acid diffusion suppressing effect and forms a pattern having improved resolution, LWR and CDU.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: June 30, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Jun Hatakeyama
  • Patent number: 10698317
    Abstract: A method includes providing a layered structure on a substrate, the layered structure including a bottom layer formed over the substrate, a hard mask layer formed over the bottom layer, a material layer formed over the hard mask layer, and a photoresist layer formed over the material layer, exposing the photoresist layer to a radiation source, developing the photoresist layer, where the developing removes portions of the photoresist layer and the material layer in a single step without substantially removing portions of the hard mask layer, and etching the hard mask layer using the photoresist layer as an etch mask. The material layer may include acidic moieties and/or acid-generating molecules. The material layer may also include photo-sensitive moieties and crosslinking agents.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: June 30, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: An-Ren Zi, Wei-Han Lai, Ching-Yu Chang
  • Patent number: 10678131
    Abstract: A composition includes at least one of particles having an average primary particle diameter of 50 to 150 nm or particles having an average major axis length of 50 to 150 nm, and a resin, in which the composition has an L* in an L*a*b* color space of CIE 1976 of 35 to 75 in a case of forming a film with a thickness of 3 ?m using the composition. A film; a cured film; an optical sensor; and a method for producing a film each use the composition.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: June 9, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Yoshinori Taguchi, Hidenori Takahashi
  • Patent number: 10663864
    Abstract: The pattern forming method includes forming an actinic ray-sensitive or radiation-sensitive film using an actinic ray-sensitive or radiation-sensitive composition, forming an upper layer film on the actinic ray-sensitive or radiation-sensitive film using a composition for forming an upper layer film, exposing the actinic ray-sensitive or radiation-sensitive film having the upper layer film formed thereon, and developing the exposed actinic ray-sensitive or radiation-sensitive film using a developer, in which the composition for forming an upper layer film includes a solvent and a crosslinking agent; and in which the content of a solvent having a hydroxyl group is 80% by mass or less with respect to all the solvents included in the composition for forming an upper layer film. The method for manufacturing an electronic device includes the pattern forming method. The laminate has an actinic ray-sensitive or radiation-sensitive film, and an upper layer film including a crosslinking agent.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: May 26, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Wataru Nihashi, Hideaki Tsubaki, Toru Tsuchihashi, Kei Yamamoto
  • Patent number: 10656522
    Abstract: The present invention relates to a shrink material composition for fattening a resist pattern prepared from a negative-tone lithography process, comprising at least one polymer and at least one organic solvent, wherein the at least one polymer comprises at least one structural unit of a nitrogen heteroaromatic ring system.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: May 19, 2020
    Assignee: AZ Electronic Materials (Luxembourg) S.a.r.l.
    Inventor: Xiaowei Wang
  • Patent number: 10656521
    Abstract: A photosensitive resin composition comprises: a resin having a phenolic hydroxyl group; a photosensitive acid generator; a compound having at least one selected from the group consisting of an aromatic ring, a heterocycle and an alicycle, and at least one selected from the group consisting of a methylol group and an alkoxyalkyl group; and an aliphatic compound having two or more functional groups, the functional groups being at least one functional group selected from the group consisting of an acryloyloxy group, a methacryloyloxy group, a glycidyloxy group, an oxetanyl alkyl ether group, a vinyl ether group and a hydroxyl group, wherein the photosensitive acid generator is a sulfonium salt containing an anion having at least one skeleton selected from the group consisting of a tetraphenylborate skeleton, an alkylsulfonate skeleton having 1 to 20 carbon atoms, a phenylsulfonate skeleton and a 10-camphorsulfonate skeleton.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: May 19, 2020
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Tetsuya Kato, Kenichi Iwashita, Akihiro Nakamura, Akio Nakano, Hiroshi Ono
  • Patent number: 10649332
    Abstract: A resist composition comprising a base polymer and a quencher in the form of an iodonium salt of fluorinated aminobenzoic acid, fluorinated nitrobenzoic acid or fluorinated hydroxybenzoic acid offers a high dissolution contrast and minimal LWR independent of whether it is of positive or negative tone.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: May 12, 2020
    Assignee: SHIN-ETSU CHEMICLA CO., LTD.
    Inventors: Jun Hatakeyama, Masaki Ohashi
  • Patent number: 10649330
    Abstract: A resist composition including a base component which exhibits changed solubility in a developing solution under action of acid, and a compound (B1) having an anion moiety and a cation moiety and being represented by general formula (b1) (wherein R01 to R014 each independently represents a hydrogen atom or a hydrocarbon group which may have a substituent, or two or more of R01 to R014 may be mutually bonded to form a ring structure, provided that at least two of R01 to R014 are mutually bonded to form a ring structure, and at least one of R01 to R014 has an anion group, and the anion moiety as a whole forms an anion having a valency of n; n represents an integer of 1 or more; represents an integer of 1 or more; and Mm+ represents an organic cation having a valency of m).
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: May 12, 2020
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Masatoshi Arai, Takaya Maehashi, Takuya Ikeda
  • Patent number: 10642156
    Abstract: The present invention provides a resist base material containing a compound having a specific structure and/or a resin derived from the compound as a monomer.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: May 5, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Takumi Toida, Masatoshi Echigo, Takashi Sato, Youko Shimizu
  • Patent number: 10634998
    Abstract: Embodiments in accordance with the present invention encompass self-imageable polymer compositions containing a variety of photobase generators which are useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. The compositions of this invention can be tailored to form positive tone or negative tone images depending upon the intended application in aqueous developable medium. The images formed therefrom exhibit improved properties including low wafer stress and better thermo-mechanical properties, among other property enhancements.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: April 28, 2020
    Assignee: PROMERUS, LLC
    Inventors: Pramod Kandanarachchi, Larry F Rhodes, Hendra Ng, Wei Zhang, Brian Knapp
  • Patent number: 10626216
    Abstract: Embodiments in accordance with the present invention relate generally to polycarbonate polymers having repeat units derived from adamantane epoxide monomers and methods of using such polymers and compositions containing them. The compositions thus formed are useful in a variety of optoelectronic device fabrications.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: April 21, 2020
    Assignee: PROMERUS, LLC
    Inventors: Keitaro Seto, Andrew Bell
  • Patent number: 10627717
    Abstract: A resist composition which generates an acid when exposed and whose solubility in a developer is changed by an action of an acid, the resist composition including: a base material component (A) whose solubility in a developer is changed by an action of an acid, in which the base material component (A) comprises a polymer compound (A1) having a constitutional unit (a01) represented by Formula (a0-1) and a constitutional unit (a1) which comprises an acid-decomposable group whose polarity is increased due to an action of an acid, and the constitutional unit (a1) comprises a constitutional unit containing an acid-dissociable group represented by Formula (a1-r-1) and a constitutional unit containing an acid-dissociable group represented by Formula (a1-r-2).
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: April 21, 2020
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Junichi Tsuchiya, Masafumi Fujisaki, Kotaro Endo
  • Patent number: 10620537
    Abstract: A resist underlayer film composition for use in a multilayer resist method, containing one or more compounds shown by formula (1), and an organic solvent, WX)n??(1) W represents an n-valent organic group having 2 to 50 carbon atoms. X represents a monovalent organic group shown by formula (1X). ā€œnā€ represents an integer of 1 to 10, The dotted line represents a bonding arm. R01 represents an acryloyl or methacryloyl group. Y represents a single bond or a carbonyl group. Z represents a monovalent organic group having 1 to 30 carbon atoms. A resist underlayer film composition can be cured by high energy beam irradiation and form a resist underlayer film having excellent filling and planarizing properties and appropriate etching resistance and optical characteristics in a fine patterning process by a multilayer resist method in the semiconductor apparatus manufacturing process.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: April 14, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takeru Watanabe, Rie Kikuchi, Daisuke Kori, Yusuke Biyajima, Tsutomu Ogihara
  • Patent number: 10599036
    Abstract: A chemically amplified positive-type photosensitive resin composition that can be well developed with an aqueous basic solution having low pH, a substrate with a photosensitive film formed from the composition, and a method for patterned resist film formation using the composition. The composition includes an acid generator that produces an acid upon irradiation with an active ray or radiation; a resin whose solubility in alkali increases under the action of acid; and an organic solvent, in which a predetermined amount of an alkali-soluble resin soluble in an aqueous basic solution having a pH of 12 and containing alkali-soluble groups with hydrogen atoms in at least a part thereof is substituted with an acid-dissociative dissolution-controlling group contained in the resin.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: March 24, 2020
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Yasushi Kuroiwa, Yasuo Masuda
  • Patent number: 10591819
    Abstract: A monomer of formula (1a) or (1b) is provided wherein A is a polymerizable group, R1-R6 are monovalent hydrocarbon groups, X1 is a divalent hydrocarbon, group, Z1 is an aliphatic group, Z2 forms an alicyclic group, k=0 or 1, m=1 or 2, n=1 to 4. A useful polymer is obtained by polymerizing the monomer. A resist composition comprising the polymer has improved development properties and is processed to form a negative pattern having high contrast, high resolution and etch resistance which is insoluble in alkaline developer.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: March 17, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masahiro Fukushima, Masayoshi Sagehashi, Koji Hasegawa, Jun Hatakeyama, Kazuhiro Katayama