Patents Examined by Duane Smith
  • Patent number: 11635686
    Abstract: A resist composition containing a base material component (A) of which solubility in a developing solution is changed due to an action of an acid and a compound represented by Formula (bd1); in the formula, Rbd1 to Rbd3 each independently represent an aryl group which may have a substituent, provided that at least two of Rbd1 to Rbd3 are aryl groups having one or more fluorine atoms as substituents, and at least one of the fluorine atoms of the aryl group is bonded to a carbon atom adjacent to a carbon atom that is bonded to the sulfur atom in the formula, and the total number of the fluorine atoms is 4 or more; X? represents a counter anion.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: April 25, 2023
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Takuya Ikeda, Junichi Miyakawa
  • Patent number: 11635690
    Abstract: A positive resist composition comprising a base polymer comprising recurring units (a) having the structure of an ammonium salt of fluorosulfonic acid having an iodized or brominated aromatic ring, and recurring units (b1) having an acid labile group-substituted carboxyl group and/or recurring units (b2) having an acid labile group-substituted phenolic hydroxyl group exhibits a high sensitivity, high resolution, low edge roughness and dimensional uniformity, and forms a pattern of good profile after exposure and development.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: April 25, 2023
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Jun Hatakeyama, Masaki Ohashi, Takayuki Fujiwara
  • Patent number: 11604414
    Abstract: A photosensitive composition for EUV light includes a predetermined resin and a photoacid generator, or includes a predetermined resin having a repeating unit having a photoacid generating group, and satisfies Conditions 1 and 2, Condition 1: The A value determined by Formula (1) is 0.14 or more, A=([H]×0.04+[C]×1.0+[N]×2.1+[O]×3.6+[F]×5.6+[S]×1.5+[I]×39.5)/([H]×1+[C]×12+[N]×14+[O]×16+[F]×19+[S]×32+[I]×127)??Formula (1): Condition 2: The concentration of the solid content in the photosensitive composition for EUV light is 2.5% by mass or less.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: March 14, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Michihiro Shirakawa, Hajime Furutani, Mitsuhiro Fujita, Tomotaka Tsuchimura, Takashi Kawashima, Michihiro Ogawa, Akihiro Kaneko, Hironori Oka, Yasuharu Shiraishi
  • Patent number: 11605538
    Abstract: A method includes forming protective layer over substrate edge and photoresist over substrate. Protective layer removed and photoresist exposed to radiation. Protective layer made of composition including acid generator and polymer having pendant acid-labile groups.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: March 14, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: An-Ren Zi, Ching-Yu Chang, Chin-Hsiang Lin
  • Patent number: 11603459
    Abstract: A resin composition includes a resin A, a resin C, and a solvent. The resin A includes a sulfonic-acid-group-containing structural unit in an amount exceeding 5 mol % with respect to total structural units included in the resin A. The resin A has a content of a fluorine atom of 30 mass % or less with respect to a total mass of the resin A. The resin C includes a fluorine atom in a larger content per unit mass than the content of a fluorine atom per unit mass in the resin A. A content of the resin A in the resin composition is lower than a content of the resin C in the resin composition in terms of mass.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: March 14, 2023
    Assignee: JSR CORPORATION
    Inventors: Tomohiko Sakurai, Sosuke Osawa, Hiromitsu Nakashima
  • Patent number: 11599023
    Abstract: There is provided a highly sensitive colorant-containing photosensitive resin composition for use in the formation of organic EL element barrier ribs. In one embodiment, the photosensitive resin composition for an organic EL element barrier rib comprises: (A) a binder resin; (B) at least one low molecular weight organic compound having a molar volume of 130 cm3/mol or less and being selected from the group consisting of aromatic carboxylic acids and compounds each having a plurality of phenolic hydroxyl groups; (C) a radiation sensitive compound; and (D) a colorant selected from the group consisting of black dyes and black pigments.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: March 7, 2023
    Assignee: SHOWA DENKO K.K.
    Inventors: Kentaro Furue, Yuki Miyaishi
  • Patent number: 11599035
    Abstract: A toner having a toner particle including a toner base particle and an organosilicon polymer coating the toner base particle, wherein when S1 (?m2) is a total area of a non-coated part not coated with the organosilicon polymer on an outermost surface of the toner particle, S2 (?m2) is a total area of a coated part coated with the organosilicon polymer on the outermost surface of the toner particle, and SA1 (?m2) is a total of areas of non-coated part domains D1 with an area of not more than 0.10 ?m2 in size in the non-coated part not coated with the organosilicon polymer, formulae (1) and (2) below are satisfied. 0.45?[S2/(S1+S2)]?0.65??(1) (SA1/S1)?0.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: March 7, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuhei Terui, Takeshi Tsujino, Junya Asaoka, Yuu Sasano, Koki Inoue, Shohei Yamashita, Shota Amano
  • Patent number: 11592745
    Abstract: A positive resist composition comprising a base polymer comprising recurring units (a) having the structure of an ammonium salt of a carboxylic acid having an iodized or brominated aromatic ring exhibits a high sensitivity, high resolution, low edge roughness (LER, LWR) and small size variation, and forms a pattern of good profile after exposure and development.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: February 28, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Jun Hatakeyama
  • Patent number: 11579526
    Abstract: A chemically-amplified negative resist composition includes: (A) a quencher containing an onium salt shown by the following formula (A-1); (B) a base polymer containing repeating units shown by the following formulae (B1) and (B2); and (C) a photo-acid generator which generates an acid. Thus, the present invention provides: a negative resist composition which can form a favorable profile with high sensitivity and low LWR and CDU in a pattern; and a resist patterning process using the composition.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: February 14, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Ryosuke Taniguchi, Satoshi Watanabe, Masaki Ohashi, Naoya Inoue
  • Patent number: 11573491
    Abstract: The present invention provides a negative tone photosensitive composition for EUV light, capable of forming a pattern, in which occurrence of missing defects is suppressed and pattern collapse is suppressed. The present invention also provides a pattern forming method and a method for manufacturing an electronic device. The negative tone photosensitive composition for EUV light of an embodiment of the present invention includes a resin A having a repeating unit having an acid-decomposable group with a polar group being protected with a protective group that is eliminated by the action of an acid, and a photoacid generator, in which a ClogP value of the resin after elimination of the protective group from the resin A is 1.4 or less, a value x calculated by Expression (1) is 1.2 or more, and the value x calculated by Expression (1) and a value y calculated by Expression (2) satisfy a relationship of Expression (3).
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: February 7, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Wataru Nihashi, Michihiro Shirakawa, Michihiro Ogawa
  • Patent number: 11567407
    Abstract: A method of processing a substrate includes: providing structures on a surface of a substrate; depositing a self-assembled monolayer (SAM) over the structures and the substrate, the SAM being reactive to a predetermined wavelength of radiation; determining a first pattern of radiation exposure, the first pattern of radiation exposure having a spatially variable radiation intensity across the surface of the substrate and the structures; exposing the SAM to radiation according to the first pattern of radiation exposure, the SAM being configured to react with the radiation; developing the SAM with a predetermined removal fluid to remove portions of the SAM that are not protected from the predetermined fluid; and depositing a spacer material on the substrate and the structures, the spacer material being deposited at varying thicknesses based on an amount of the SAM remaining on the surface of the substrate and the structures.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: January 31, 2023
    Assignee: Tokyo Electron Limited
    Inventors: Richard Farrell, Hoyoung Kang, David L. O'Meara
  • Patent number: 11561469
    Abstract: A black positive-type photosensitive resin composition with high sensitivity is provided. The photosensitive resin composition of the invention includes (A) a binder resin, (B) a quinonediazide adduct of a phenol compound having 3 or more phenolic hydroxyl groups (hereunder also referred to as “trivalent or greater phenol compound”, and (C) a black coloring agent, wherein the quinonediazide adduct (B) includes (b1) a quinonediazide adduct wherein one of the hydroxyl groups of the phenolic hydroxyl groups of the trivalent or greater phenol compound is replaced by a structure represented by formula (I) or formula (II), and (b2) a quinonediazide adduct wherein two of the hydroxyl groups of the phenolic hydroxyl groups of the trivalent or greater phenol compound are replaced by structures represented by formula (I) or formula (II), and the total of (b1) and (b2) is at least 60 mol % of the entirety of (B). Ra to Rd and * in the formulas are as defined in the Specification.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: January 24, 2023
    Assignee: SHOWA DENKO K.K.
    Inventors: Kentaro Furue, Yuki Miyaishi, Shiyuko Nakamura
  • Patent number: 11550220
    Abstract: A negative tone photoresist and method for developing the negative tone photoresist is disclosed. For example, the negative tone photoresist includes a solvent, a dissolution inhibitor, and a polymer. The polymer includes a hydroxyl group. The polymer may be greater than 40 weight per cent of a total weight of the negative tone photoresist.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: January 10, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Li-Po Yang, Wei-Han Lai, Ching-Yu Chang
  • Patent number: 11550221
    Abstract: A chemically amplified positive-type photosensitive resin composition including an acid generator which generates acid upon exposure to an irradiated active ray or radiation, a resin whose solubility in alkali increases under the action of acid, and a nitrogen-containing aromatic heterocyclic compound that is a nitrogen-containing aromatic heterocyclic compound having a specific structure and having a Log S value of ?6.00 or less.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: January 10, 2023
    Assignee: TOKYO OHKA KOG YO CO., LTD.
    Inventor: Kazuaki Ebisawa
  • Patent number: 11543751
    Abstract: An exemplary semiconductor fabrication stack includes underlying layers; an organic planarization layer atop the underlying layers; a metal oxide hardmask atop the organic planarization layer and doped with both carbon and nitrogen; and an organic photoresist directly atop the doped metal oxide hardmask. In one or more embodiments, the doped metal oxide hardmask exhibits a water contact angle of greater than 80°.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: January 3, 2023
    Assignee: International Business Machines Corporation
    Inventors: Abraham Arceo de la Pena, Jennifer Church, Nelson Felix, Ekmini Anuja De Silva
  • Patent number: 11500291
    Abstract: New composition and methods are provided that include antireflective compositions that can exhibit enhanced etch rates in standard plasma etchants. Preferred antireflective coating compositions of the invention have decreased carbon content relative to prior compositions.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: November 15, 2022
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Jung-June Lee, Jae-Yun Ahn, You-Rim Shin, Jin-Hong Park, Jae-Hwan Sim
  • Patent number: 11493845
    Abstract: An anti-reflective coating composition is provided. The anti-reflective coating composition of the present invention can be useful in preventing a pull-back phenomenon in which an anti-reflective coating layer tears on a corner of a pattern of a substrate during a heat curing process and improving gap-filling performance of the pattern since a crosslinker is attached to a polymer in the composition and the content of the low-molecular-weight crosslinker in the composition is minimized to regulate a heat curing initiation temperature.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: November 8, 2022
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Jae Hwan Sim, So-Yeon Kim, Jung Kyu Jo, Hye-Won Lee, Jihoon Kang, Jae-Bong Lim, Jun-Han Yun
  • Patent number: 11493843
    Abstract: A resist composition comprising a base polymer and a quencher in the form of an ammonium salt consisting of an ammonium cation having an iodized aromatic ring bonded to the nitrogen atom via a C1-C20 hydrocarbylene group which may contain an ester bond or ether bond and a carboxylate anion having an iodized or brominated hydrocarbyl group offers a high sensitivity and minimal LWR or improved CDU, independent of whether it is of positive or negative tone.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: November 8, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Takayuki Fujiwara
  • Patent number: 11480875
    Abstract: A resist composition comprising a base polymer and a quencher in the form of an ammonium salt consisting of an ammonium cation having an iodized aromatic ring bonded to the nitrogen atom via a C1-C20 hydrocarbylene group and an anion derived from an iodized or brominated phenol offers a high sensitivity and minimal LWR or improved CDU, independent of whether it is of positive or negative tone.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: October 25, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Takayuki Fujiwara
  • Patent number: 11372330
    Abstract: There is provided anti-reflective coating forming composition containing a reaction product of an isocyanuric acid compound having two or three 2,3-epoxypropyl groups with a benzoic acid compound. The anti-reflective coating obtained from the composition has a high preventive effect for reflected light, causes no intermixing with photoresists, can form a photoresist pattern having no footing at the lower part, and can use in lithography process by use of a light such as ArF excimer laser beam and F2 excimer laser beam, etc.
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: June 28, 2022
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Takahiro Kishioka, Rikimaru Sakamoto, Daisuke Maruyama