Patents Assigned to Shin-Etsu Chemical Co.,
  • Publication number: 20240176238
    Abstract: A sulfonium salt of specific structure has a high decomposition efficiency and a high acid diffusion controlling ability upon exposure. A resist composition comprising the sulfonium salt offers a high sensitivity, reduced LWR and improved CDU independent of whether it is of positive or negative tone.
    Type: Application
    Filed: October 20, 2023
    Publication date: May 30, 2024
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masaki Ohashi, Jun Hatakeyama, Tatsuya Yamahira, Yuki Suda
  • Publication number: 20240177993
    Abstract: A method producing a laminate with a semiconductor film that has a corundum crystal structure, includes the steps of mounting a substrate on a stage; heating the substrate, atomizing a raw material solution for film deposition, forming a gaseous mixture by mixing the atomized raw material solution for film deposition and carrier gas; and forming the film deposition by supplying the gaseous mixture to the substrate, wherein a surface roughness Ra of a contact surface with the substrate on the stage and the contact surface with the stage on the substrate is 0.5 ?m or less. The method produces the laminate capable of stably forming a thick film of a corundum crystal thin film (the semiconductor film having a corundum crystal structure) with excellent crystal orientation and high quality.
    Type: Application
    Filed: March 30, 2022
    Publication date: May 30, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Hiroshi HASHIGAMI
  • Publication number: 20240176236
    Abstract: An onium salt having formula (1) is provided. A chemically amplified resist composition comprising the onium salt as a PAG has advantages including high solvent solubility, high sensitivity, a high contrast, and improved lithography properties such as EL and LWR when processed by photolithography using high-energy radiation.
    Type: Application
    Filed: October 5, 2023
    Publication date: May 30, 2024
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventor: Masahiro Fukushima
  • Publication number: 20240176235
    Abstract: A resist composition comprising a quencher containing a sulfonium salt composed of a C5-C20 aromatic carboxylic acid anion substituted with a halogen atom or a halogen atom-containing group and a sulfonium cation having the following formula (1).
    Type: Application
    Filed: September 21, 2023
    Publication date: May 30, 2024
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Jun Hatakeyama, Tatsuya Yamahira, Takayuki Fujiwara, Yuki Suda
  • Publication number: 20240174863
    Abstract: A method for manufacturing a low dielectric silica powder incudes heat-treating a silica powder at a temperature of 500° C. to 1500° C. to achieve 0.0005 or less of a dielectric loss tangent of the silica powder at 10 GHz, and etching a surface of the heat-treated silica powder with an etching solution. A silica powder with an extremely small dielectric loss tangent, a resin composition containing the same, and a method for manufacturing a silica powder with a low dielectric loss tangent and strong adhesion at the interface to resin are achieved.
    Type: Application
    Filed: February 5, 2024
    Publication date: May 30, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Toshio SHIOBARA, Hajime ITOKAWA
  • Publication number: 20240176237
    Abstract: The present invention is an onium salt represented by the following general formula (1), where n1 represents an integer of 0 or 1; n2 represents an integer of 0 to 3; R1a represents a halogen atom or a hydrocarbyl group having 1 to 20 carbon atoms and optionally containing a heteroatom; n3 represents an integer of 0 to 3; R1b represents a hydrocarbyl group having 1 to 36 carbon atoms and optionally containing a heteroatom; n4 represents an integer of 1 or 2; and Z+ represents an onium cation. This provides a novel onium salt to be contained in a resist composition in lithography with a positive or negative resist, and the onium salt has high sensitivity and excellent resolution, can improve LWR and CDU, and can also suppress collapse of a resist pattern.
    Type: Application
    Filed: October 5, 2023
    Publication date: May 30, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Masahiro FUKUSHIMA
  • Publication number: 20240173245
    Abstract: A cosmetic includes the following component (A), the component (A): a hydrosilylated reaction product of an organohydrogen (poly)siloxane (A1) and an organo(poly)siloxane (A2), the hydrosilylated reaction product being an aromatic-group-modified crosslinked organosiloxane, and a ratio between a total number of moles of aryl groups and aralkyl groups and a number of moles of silicon atoms is 0.34 or more. This enables a highly polar oil and an ultraviolet-ray absorbent to be stably blended, and the cosmetic has a good feeling and feel of use.
    Type: Application
    Filed: January 25, 2022
    Publication date: May 30, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Emi AKABANE, Masayuki KONISHI
  • Patent number: 11994798
    Abstract: The present invention is a resist material containing: (i) a metal compound shown by the following general formula (M-1) and (ii) an organic solvent. An object of the present invention is to provide a metal-containing resist material having high sensitivity and high resolution particularly in EUV and electron beam lithography; and a patterning process using this material.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: May 28, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Tomohiro Kobayashi, Tsukasa Watanabe, Hiroki Nonaka, Seiichiro Tachibana
  • Patent number: 11994799
    Abstract: A negative resist composition is provided comprising a base polymer and an acid generator in the form of a sulfonium salt consisting of a sulfonate anion having a maleimide group and a cation having a polymerizable double bond. The resist composition adapted for organic solvent development exhibits a high resolution and improved LWR or CDU.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: May 28, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Jun Hatakeyama
  • Publication number: 20240168382
    Abstract: A resist composition comprising a base polymer comprising repeat units having a salt structure consisting of a sulfonic acid anion bonded to a polymer backbone and a sulfonium cation having formula (1).
    Type: Application
    Filed: September 20, 2023
    Publication date: May 23, 2024
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Jun Hatakeyama, Tatsuya Yamahira, Yuki Suda
  • Publication number: 20240168379
    Abstract: The present invention is a positive resist material containing a compound having two or more urethane groups and having two or more carboxy groups that are each substituted with an acid-labile group and are bonded to the urethane groups via a linking group. This provides: a positive resist material that has higher sensitivity and higher resolution than conventional positive resist materials and smaller edge roughness and CDU, and allows excellent pattern profile after exposure to light; and a patterning process.
    Type: Application
    Filed: October 16, 2023
    Publication date: May 23, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Jun HATAKEYAMA
  • Publication number: 20240166886
    Abstract: The present invention is an additive for water-based paint, containing a siloxane-branched polyether-modified silicone shown by an average composition formula (1) R1aR2bR3cSiO(4-a-b-c)/2 and having a weight-average molecular weight in a range of 500 to 100,000. In the formula (1), R1 represents an alkyl group, an aryl group, an aralkyl group, or an organic group shown by a general formula (2) —CmH2m—O—(C2H4O)d(C3H6O)eR4. R2 represents a group shown by a general formula (3)—CmH2m—O— (C2H4O)f(C3H6O)g—R5; each R3 represents an organosiloxane shown by the following general formula (4). R4 represents a hydrocarbon group, or an organic group shown by R6—(CO)—. R5 represents a hydrogen atom, a hydrocarbon group, or an organic group shown by R6—(CO)—. R6 represents a hydrocarbon group. The siloxane branched polyether-modified silicone satisfies expressions (I), (II).
    Type: Application
    Filed: August 27, 2020
    Publication date: May 23, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Tomoyuki GOTO
  • Publication number: 20240168378
    Abstract: A positive resist material containing a compound having two or more urethane groups and having a carboxy group and a sulfonium salt or iodonium salt of a sulfonic acid, the carboxy group being substituted with an acid-labile group and being bonded to a first urethane group via a first linking group, and the sulfonium salt or iodonium salt being bonded to a second urethane group directly or via a second linking group. This provides: a positive resist material that has higher sensitivity and higher resolution than conventional positive resist materials and smaller edge roughness and CDU, and allows excellent pattern profile after exposure to light; and a patterning process.
    Type: Application
    Filed: October 16, 2023
    Publication date: May 23, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Jun HATAKEYAMA
  • Publication number: 20240166888
    Abstract: The present invention is a paint additive containing a siloxane-branched polyether-modified silicone shown by an average composition formula (1) R1aR2bR3cSiO(4-a-b-c)/2 and having a weight-average molecular weight in a range of 500 to 100,000. In the formula (1), R1 represents an alkyl group, an aryl group, an aralkyl group, or an organic group shown by a general formula (2) —CmH2m—O—(C2H4O)d(C3H6O)eR4. R2 represents a group shown by a general formula (3) —CmH2m—O—(C2H4O)f(C3H6O)g—R5; each R3 represents an organosiloxane shown by the following general formula (4). R4 represents a hydrocarbon group, or an organic group shown by R6—(CO)—. R5 represents a hydrogen atom, a hydrocarbon group, or an organic group shown by R6—(CO)—. R6 represents a hydrocarbon group. Thus, the present invention provides a paint additive and a paint composition with small environmental load and imparting excellent antifouling performance.
    Type: Application
    Filed: August 27, 2020
    Publication date: May 23, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Tomoyuki GOTO
  • Patent number: 11987682
    Abstract: Provided are a photocatalyst transfer film allowing a uniform and highly transparent photocatalyst layer to be transferred to the surfaces of various transfer base materials; and a production method thereof. The photocatalyst transfer film has, on a biaxially oriented polypropylene film, a photocatalyst layer containing a titanium oxide particle-containing photocatalyst, a silicon compound and a surfactant. The production method of the photocatalyst transfer film includes applying a photocatalyst coating liquid to a biaxially oriented polypropylene film; and performing drying. The photocatalyst coating liquid contains a titanium oxide particle-containing photocatalyst, a silicon compound, a surfactant and an aqueous dispersion medium.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: May 21, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masahiro Yuyama, Manabu Furudate, Tomohiro Inoue
  • Patent number: 11990521
    Abstract: A laminate contains a crystal substrate; a middle layer formed on a main surface of the crystal substrate, the middle layer comprising a mixture of an amorphous region in an amorphous phase and a crystal region in a crystal phase having a corundum structure mainly made of a first metal oxide; and a crystal layer formed on the middle layer and having a corundum structure mainly made of a second metal oxide, wherein the crystal region is an epitaxially grown layer from a crystal plane of the crystal substrate.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: May 21, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Hiroshi Hashigami
  • Patent number: 11987723
    Abstract: This surface treatment agent can form a water repellent/oil repellent layer having particularly excellent wear durability, weather resistance, and alkali resistance, and contains a fluorinated coating agent composition containing: (A) one or more selected from hydroxy group- or hydrolyzable group-containing silanes and siloxanes modified with a fluorooxyalkylene group-containing polymer, and partial (hydrolyzed) condensates thereof, and (B) a fluorooxyalkylene group-containing polymer-modified polysilazane formed of silazane units modified with a fluorooxyalkylene group-containing polymer, wherein the number-average molecular weight of fluorooxyalkylene group-containing polymer residues in the component (A) is 1,500-10,000, the number-average molecular weight of fluorooxyalkylene group-containing polymer residues in the silazane units modified with the fluorooxyalkylene group-containing polymer in the component (B) is 500-6,000, and the mixed mass ratio between the component (A) and the component (B) is 10:90
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: May 21, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Lisa Katayama, Yuji Yamane
  • Patent number: 11987688
    Abstract: A photocurable composition including the following components (A) to (D), (A) a monomer having one (meth)acryloyl structure, (B) a crosslinking agent having two or more (meth)acryloyl structures, (C) an inorganic ultraviolet-blocking agent having a 50% volume cumulative particle size of 1 to 50 nm, and (D) a photopolymerization initiator in an amount of 0.05 to 1 part by weight, relative to total 100 parts by weight of components (A) and (B), wherein a part or all of component (A) is a hydrophilic monomer, and a content of the hydrophilic monomer is 70% by weight or more, relative to the total weight of components (A) and (B).
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: May 21, 2024
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Ryosuke Yoshii, Kohei Masuda, Mamoru Hagiwara, Tsuneo Kimura
  • Patent number: 11990603
    Abstract: A negative electrode material containing a negative electrode active material particle which includes a silicon compound particle containing a silicon compound (SiOx: 0.5?x?1.6). The silicon compound particle contains at least one or more of Li2SiO3 and Li4SiO4, and the negative electrode material further contains at least one of a metal compound particle containing a metal compound and an aggregate of the metal compound particle. The negative electrode material is capable of stabilizing a slurry prepared in production of a negative electrode for a secondary battery, and improving initial charge-discharge characteristics and cycle characteristics when it is used as a negative electrode active material for a secondary battery.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: May 21, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takumi Matsuno, Takakazu Hirose, Kohta Takahashi
  • Patent number: 11988955
    Abstract: The present invention is to provide a pellicle characterized by including a pellicle film and a pellicle frame, in which the pellicle film is stretched on the pellicle frame, and the pellicle film is an annealed pellicle film, and to provide a method for producing a pellicle by stretching a pellicle film on a pellicle frame, including the step of annealing the pellicle film alone before stretching the pellicle film on the pellicle frame, annealing the pellicle after stretching the pellicle film on the pellicle frame, or annealing the pellicle film alone and the pellicle both before and after stretching the pellicle film on the pellicle frame.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: May 21, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Akinori Nishimura