Patents Examined by John S. Chu
  • Patent number: 10670964
    Abstract: Disclosed herein are solder mask formulations that include a liquid photo imageable solution and a solution of functionalized diamondoids. Also disclosed are semiconductor fabrication methods that include applying a described solder mask formulation to a semiconductor device.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: June 2, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Matthew Kelly, Mark Jeanson, Joseph Kuczynski
  • Patent number: 10670969
    Abstract: [Problem] To provide a composition, which is a reverse pattern formation composition comprising an aqueous solvent having little influence on a resist pattern, and which is excellent in flatness and filling properties after coating and has excellent etching resistance. Furthermore, a method for forming a pattern using the same is provided. [Means for Solution] A reverse pattern formation composition comprising a polysiloxane compound comprising a repeating unit having a nitrogen-containing group and a solvent comprising water, and a method for forming a fine pattern using the same.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: June 2, 2020
    Assignee: AZ Electronic Materials (Luxembourg) S.A.R.L.
    Inventors: Xiaowei Wang, Tatsuro Nagahara
  • Patent number: 10670963
    Abstract: A salt represented by the formula (I). wherein Z+, Q1, Q2, R1, R2, R3, R4, R5, Z, X1, X2, Xa, Xb, L1, L2, L3 and L4 are defined in the specification.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: June 2, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tatsuro Masuyama, Satoshi Yamaguchi, Koji Ichikawa
  • Patent number: 10649329
    Abstract: An active-light-sensitive or radiation-sensitive resin composition includes a basic compound (A) corresponding to at least one of the following basic compound (A1) or (A2): (A1) a nonionic compound having an alicyclic structure (a1) and a basic site (b2) at a site different from the alicyclic structure within one molecule, or (A2) a nonionic compound having a heterocyclic structure (a2) having no basicity and a basic site (b2) at a site different from the heterocyclic structure within one molecule.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: May 12, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Shohei Kataoka, Akinori Shibuya, Keiyu Ou
  • Patent number: 10635001
    Abstract: A photolithiographic method for fabricating bank structures with improved non-wetting properties to form well regions on a substrate using a photoresist composition comprising a cresol novolak resin, a photoactive diazonaphthoquinone sulfonic ester of a polyhydroxybenzophenone compound with at least one free hydroxyl group, and a non-ionic urethane polyglycol fluorosurfactant. Inkjet methods can be used to deposit active materials into the well areas. Color filter arrays and optoelectronic devices such as OLED devices can be made by this method.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: April 28, 2020
    Assignee: Merck Patent GmbH
    Inventors: Li Wei Tan, Pawel Miskiewicz, Graham Smith
  • Patent number: 10620533
    Abstract: A resist composition comprising a base polymer and a sulfonium or iodonium salt of sulfonic acid containing a morpholino group offers dimensional stability on PPD and a satisfactory resolution.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: April 14, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Masaki Ohashi
  • Patent number: 10613436
    Abstract: A resist composition comprising a base polymer and a sulfonium or iodonium salt capable of generating fluorobenzenesulfonic acid bonded to iodized benzoic acid offers a high sensitivity and minimal LWR independent of whether it is of positive or negative tone.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: April 7, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Masaki Ohashi
  • Patent number: 10613437
    Abstract: A resist composition comprising a base polymer and a sulfonium or iodonium salt capable of generating sulfonic acid bonded to iodized benzene ring offers a high sensitivity and minimal LWR independent of whether it is of positive or negative tone.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: April 7, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Takayuki Fujiwara
  • Patent number: 10606174
    Abstract: A resist composition including a polymeric compound having a structural unit derived from a compound represented by general formula (a0-1), an onium salt having an anion moiety with a specific structure, and a photodecomposable base which is decomposed upon exposure and then loses the ability of controlling of acid diffusion. In formula (a0-1), Rax0 represents a polymerizable group-containing group; Wax0 represents an aromatic hydrocarbon group having a valency of (nax0+1), provided that Rax0 and Wax0 may together form a condensed ring structure; nax0 represents an integer of 1 to 3; Yax01 represents a carbonyl group or a single bond; Rax01 represents a hydrogen atom or a hydrocarbon group which may have a substituent.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: March 31, 2020
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Masahito Yahagi, Hiroto Yamazaki, Kenta Suzuki
  • Patent number: 10606173
    Abstract: [Object] To provide a composition capable of forming a cured film having low permittivity and excellence in chemical resistance, in heat resistance and in resolution; and further to provide a production process employing the composition. [Means] The present invention provides a composition comprising: an alkali-soluble resin, namely, a polymer comprising a carboxyl-containing polymerization unit and an alkoxysilyl-containing polymerization unit; a polysiloxane; a diazonaphthoquinone derivative; a compound generating acid or base when exposed to heat or light; and a solvent.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: March 31, 2020
    Assignee: AZ Electronic Materials (Luxembourg) S.a.r.l.
    Inventors: Megumi Takahashi, Daishi Yokoyama, Naofumi Yoshida, Katsuto Taniguchi, Masahiro Kuzawa
  • Patent number: 10606172
    Abstract: A resist composition comprising a base polymer and a quencher in the form of an iodonium salt capable of generating fluorobenzoic acid bonded to iodized benzene offers a high sensitivity and minimal LWR independent of whether it is of positive or negative tone.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: March 31, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Masaki Ohashi
  • Patent number: 10591818
    Abstract: Various vinyl addition polymers of nadic anhydride are disclosed. Examples of such polymers include copolymers and terpolymers of nadic anhydride with a wide variety of norbornene-type monomers. The nadic anhydride polymers are found to be useful in forming a wide variety of photosensitive compositions, both positive and negative, which are capable of forming high resolution imagable films exhibiting excellent dielectric properties (low-k) and thermal properties, and thus are useful in the fabrication of a variety of microelectronic and optoelectronic devices, among others.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: March 17, 2020
    Assignee: PROMERUS, LLC
    Inventors: Brian Knapp, Cheryl Burns
  • Patent number: 10578967
    Abstract: The present application relates to a negative type photosensitive resin composition including a compound of Chemical Formula 1, an alkali soluble resin binder, a polyfunctional monomer, a colorant, a photoinitiator, and a solvent, and a display apparatus including a black bank formed by using the same.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: March 3, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Dongchang Choi, Kyung Soo Choi, Jung Woo Kim, Hae Jung Kim, Guntee Kim
  • Patent number: 10571805
    Abstract: A resist composition which contains a resin (A1) which has a structural unit represented by formula (I), a structural unit represented by formula (II) and a structural unit having an acid-labile group, and an acid generator: wherein R1 and R2 independently represent a hydrogen atom, a halogen atom or a C1-6 alkyl group that may have a halogen atom, Ra25 represents a carboxy group, a cyano group or a C1-4 aliphatic hydrocarbon group, A1 represents a single bond, *-A2-O—, *-A2-CO—O—, etc., A2 and A3 independently represents a C1-6 alkanediyl group, and w1 represents an integer of 0 to 8, L1 represents a single bond or *-L2-CO—O-(L3-CO—O)g—, L2 and L3 independently represent a C1-12 divalent hydrocarbon group, g represent 0 or 1, R3 represents a C1-12 liner or branched alkyl group except for a tertiary alkyl group and * represents a binding position to an oxygen atom.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: February 25, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yuki Suzuki, Yuichi Mukai, Koji Ichikawa
  • Patent number: 10545405
    Abstract: Provided are an actinic ray-sensitive or radiation-sensitive resin composition including a compound (A) whose dissolution rate in an alkali developer decreases by the action of an acid, a resin (B) having a group that decomposes by the action of an alkali developer to increase the solubility in the alkali developer and having at least one of a fluorine atom or a silicon atom, and a resin (C) having a phenolic hydroxyl group, different from the resin (B), an actinic ray-sensitive or radiation-sensitive film and a mask blank, each formed using the actinic ray-sensitive or radiation-sensitive resin composition, a pattern forming method using the actinic ray-sensitive or radiation-sensitive resin composition, and a method for manufacturing an electronic device.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: January 28, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Shuhei Yamaguchi, Koutarou Takahashi, Toshiaki Fukuhara, Shuji Hirano
  • Patent number: 10545403
    Abstract: The present invention provides a photosensitive resin composition, comprising: (a) photo-polymerizable unsaturated compound, (b) hydroxyurethane compound, and (c) photoinitiator. The photosensitive resin composition can be used as photoresist coating for dry film photoresist to manufacture the electronic components, such as print circuit board and so on. Further, the (b) hydroxyurethane compound having [CC]/[NH2] between 0.5 and 0.9, which increases the resolution, adhesion, and stripping ability of photosensitive resin composition for dry film photoresist, and improves the effectiveness and the quality of dry film photoresist for manufacturing printed circuit board and other electric component.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: January 28, 2020
    Assignee: CHANG CHUN PLASTICS CO., LTD.
    Inventors: Gai-Chi Chen, Yun-Chung Wu, An-Pang Tu, Kuen-Yuan Hwang
  • Patent number: 10534262
    Abstract: A chemically amplified positive resist composition is provided comprising a specific alkali-soluble polymer adapted to turn soluble in alkaline aqueous solution under the action of acid as base resin, an alkali-soluble polymer, and a photoacid generator in an organic solvent. The composition forms a resist film which can be briefly developed to form a pattern at a high sensitivity without generating dimples in pattern sidewalls.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: January 14, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoshinori Hirano, Hideyoshi Yanagisawa
  • Patent number: 10534263
    Abstract: A resist composition which generates acid upon exposure and exhibits changed solubility in a developing solution by the action of acid, which includes a polymeric compound having at least two specific structural units.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: January 14, 2020
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsuyoshi Nakamura, Kazuishi Tanno, JunYeob Lee
  • Patent number: 10534264
    Abstract: A resist composition which generates an acid through exposure and whose solubility in a developer changes by the action of an acid. The resist composition contains a polymer compound having at least two kinds of specific constituent units. A resist pattern forming method, including forming a resist film on a support using the resist composition, subjecting the resist film to exposure, and forming a resist pattern through patterning by developing the resist film having undergone exposure by using a developer.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: January 14, 2020
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsuyoshi Nakamura, Kazuishi Tanno, JunYeob Lee
  • Patent number: 10527935
    Abstract: A patterning process, comprises: (i) forming a radiation-sensitive film on a substrate, wherein the radiation-sensitive film comprises: (a) a resin, (b) a photoacid generator, (c) a first quencher, and (d) a second quencher; (ii) patternwise exposing the radiation-sensitive film to activating radiation; and (iii) contacting the radiation-sensitive film with an alkaline developing solution to form a resist pattern; wherein the resin comprises the following repeat units: wherein: R1 is selected from a hydrogen atom, an alkyl group having from 1 to 4 carbon atoms, a cyano group or a trifluoromethyl group; Z is a non-hydrogen substituent that provides an acid-labile moiety; n is from 40 to 90 mol %; m is from 10 to 60 mol %; and the total combined content of the two repeat units in the resin is 80 mol % or more based on all repeat units of the resin; and the first quencher is selected from benzotriazole or a derivative thereof.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: January 7, 2020
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Mitsuru Haga, Shugaku Kushida, Kunio Kainuma, James F. Cameron