Patents by Inventor SHUN KIKUCHI
SHUN KIKUCHI 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).
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Patent number: 12204245Abstract: A positive resist composition is provided comprising (A) an acid generator in the form of a sulfonium salt consisting of a fluorine-containing sulfonate anion and a fluorine-containing sulfonium cation, (B) a quencher in the form of a sulfonium salt containing at least two fluorine atoms in its cation or containing at least 5 fluorine atoms in its anion and cation, and (C) a base polymer comprising repeat units (a1) having a carboxy group whose hydrogen is substituted by an acid labile group and/or repeat units (a2) having a phenolic hydroxy group whose hydrogen is substituted by an acid labile group. The resist composition exhibits a high sensitivity, high resolution and improved LWR or CDU.Type: GrantFiled: September 24, 2021Date of Patent: January 21, 2025Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Jun Hatakeyama, Takeshi Nagata, Chuanwen Lin, Shun Kikuchi
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Publication number: 20240377730Abstract: The resist composition exhibits excellent sensitivity, resolution, and LWR when processed by photolithography using high-energy radiation, typically EB and EUV lithography, and a patterning process using the same. The resist composition comprises a specific tin compound and an organic solvent exhibits excellent sensitivity, resolution, and LWR when processed by photolithography using high-energy radiation.Type: ApplicationFiled: May 1, 2024Publication date: November 14, 2024Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Masaki Ohashi, Seiichiro Tachibana, Shun Kikuchi, Ryunosuke Handa
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Publication number: 20240345480Abstract: The negative-tone molecular resist composition comprises an onium salt containing a cation having a cyclic ether site and an organic solvent has a high sensitivity and forms a resist film with improved resolution and LWR when processed by photolithography using high-energy radiation. The molecular resist composition of the invention meets both high sensitivity and high resolution and is improved in LWR when processed by photolithography using high-energy radiation, especially EB or EUV lithography. The resist composition is quite useful for precise micropatterning.Type: ApplicationFiled: April 3, 2024Publication date: October 17, 2024Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Masaki Ohashi, Shun Kikuchi, Seiichiro Tachibana, Ryunosuke Handa
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Publication number: 20240319598Abstract: The present invention is a composition for forming a silicon-containing resist underlayer film, containing a condensation reaction-type thermosetting silicon-containing material (Sx), being a polysiloxane resin, where the material has a non-condensation reactive organic group that reacts with a radical chemical species, the resin includes more than 0 and 70 mol % or less of one or more of a repeating unit represented by the following general formula (Sx-4) and a repeating unit represented by the general formula (Sx-5), and the organic group remains unreacted after a heat-curing reaction of the polysiloxane resin. This provides: a composition for forming a resist underlayer film containing a thermosetting silicon-containing material in photolithography using a high-energy beam, the material improving sensitivity, LWR, and resolution of an upper layer resist and further contributing to the prevention of pattern collapse; and a patterning process using the composition for forming a resist underlayer film.Type: ApplicationFiled: March 4, 2024Publication date: September 26, 2024Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Takehiro SATO, Shun Kikuchi, Ryo Mitsui, Seiichiro Tachibana
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Publication number: 20240272550Abstract: A resist composition is provided that comprises a hypervalent iodine compound having the formula (1), a carboxy group-containing polymer, and a solvent. In formula (1), n is an integer of 0 to 5, R1 and R2 are each independently halogen or a C1-C10 hydrocarbyl group which may contain a heteroatom, R1 and R2 may bond together to form a ring with the carbon atoms to which they are attached and the intervenient atoms. R3 is halogen or a C1-C40 hydrocarbyl group which may contain a heteroatom.Type: ApplicationFiled: December 14, 2023Publication date: August 15, 2024Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Masaki Ohashi, Seiichiro Tachibana, Shun Kikuchi, Ryunosuke Handa
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Publication number: 20240116958Abstract: A compound for forming a metal-containing film to be contained in a composition for forming a metal-containing film used in manufacturing a semiconductor, where the compound for forming a metal-containing film is represented by the following general formula (M-1) or (M-2). This provides: a compound for forming a metal-containing film having better dry etching resistance than conventional resist underlayer film materials and also having high filling and planarizing properties; a composition for forming a metal-containing film containing the compound; a patterning process in which the composition is used as a resist underlayer film material; a patterning process in which the composition is used as a resist material; and a semiconductor photoresist material containing the composition.Type: ApplicationFiled: September 6, 2023Publication date: April 11, 2024Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Naoki KOBAYASHI, Shohei IWAMORI, Daisuke KORI, Shun KIKUCHI, Ryunosuke HANDA, Seiichiro TACHIBANA
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Patent number: 11940728Abstract: A molecular resist composition and a pattern forming process. A molecular resist composition comprising a sulfonium salt having a cation of specific structure and an organic solvent has a high sensitivity and forms a resist film with improved resolution and LWR, when processed by EB or EUV lithography. The molecular resist composition does not contain a base polymer. The molecular resist composition comprising a sulfonium salt having a cation of specific partial structure has a high sensitivity and forms a resist film with improved resolution and LWR, so that the resist composition is quite useful for precise micropatterning.Type: GrantFiled: September 24, 2021Date of Patent: March 26, 2024Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Masaki Ohashi, Kazuhiro Katayama, Masahiro Fukushima, Shun Kikuchi
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Publication number: 20230367211Abstract: A resist composition comprising a hypervalent iodine compound having at least two acyloxy groups, a carboxylic acid, and a solvent is provided. When processed by lithography using high-energy radiation, the resist composition exhibits a high sensitivity and resolution.Type: ApplicationFiled: May 4, 2023Publication date: November 16, 2023Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Masaki Ohashi, Shun Kikuchi, Seiichiro Tachibana
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Publication number: 20230161255Abstract: A positive resist composition is provided comprising a base polymer end-capped with an ammonium salt of an iodized acid, linked to a sulfide group. Because of controlled acid diffusion, a resist film of the composition forms a pattern of good profile with a high resolution and reduced edge roughness or dimensional variation.Type: ApplicationFiled: November 16, 2022Publication date: May 25, 2023Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Jun Hatakeyama, Shun Kikuchi, Kousuke Ohyama
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Publication number: 20230161252Abstract: A positive resist composition is provided comprising a base polymer end-capped with a salt consisting of an ammonium cation linked to a sulfide group and a fluorinated anion. Because of controlled acid diffusion, a resist film of the composition forms a pattern of good profile with a high resolution and reduced edge roughness or dimensional variation.Type: ApplicationFiled: November 16, 2022Publication date: May 25, 2023Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Jun Hatakeyama, Shun Kikuchi, Kousuke Ohyama
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Publication number: 20230152696Abstract: A positive resist composition is provided comprising a base polymer end-capped with a sulfonium salt containing a carboxylate anion having a sulfide group linked thereto. Because of controlled acid diffusion, a resist film of the composition forms a pattern of good profile with a high resolution and reduced edge roughness or dimensional variation.Type: ApplicationFiled: November 14, 2022Publication date: May 18, 2023Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Jun Hatakeyama, Kousuke Ohyama, Shun Kikuchi
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Publication number: 20230132653Abstract: A molecular resist composition comprising a sulfonium salt having formula (1) or (2) and an organic solvent has a high sensitivity and forms a resist film with improved resolution and LWR, when processed by EB or EUV lithography.Type: ApplicationFiled: November 1, 2022Publication date: May 4, 2023Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Masahiro Fukushima, Shun Kikuchi, Masaki Ohashi, Kazuhiro Katayama
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Patent number: 11567392Abstract: Provided is an imaging apparatus including a mode setting unit that sets a diaphragm driving mode out of a plurality of diaphragm driving modes including a first diaphragm driving mode and a second diaphragm driving mode in which diaphragm driving is more limited than in the first diaphragm driving mode, and a diaphragm control unit that controls diaphragm driving in accordance with brightness of an imaging target in a case where the mode setting unit sets the second diaphragm driving mode.Type: GrantFiled: August 23, 2019Date of Patent: January 31, 2023Assignee: SONY CORPORATIONInventors: Nobuhiro Doi, Jun Aoyama, Kazunari Konishi, Shun Kikuchi
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Patent number: 11451702Abstract: The present technique relates to a lens apparatus, a driving method, an image capturing apparatus, and an image capturing system that allow reduction of possible noise in a captured image caused by a magnetic field generated when an actuator of the lens apparatus is driven, without any change in image capturing processing of the image capturing apparatus. A lens apparatus is enabled to be mounted on an image capturing apparatus and includes an actuator, a communication section configured to receive, from the image capturing apparatus, drive frequency information used to set a drive frequency for the actuator, a control section configured to set the drive frequency for the actuator on the basis of the drive frequency information, and a driving section configured to drive the actuator at the drive frequency set. The present technique can be applied to, for example, a lens apparatus mounted on a single-lens reflex camera.Type: GrantFiled: May 16, 2019Date of Patent: September 20, 2022Assignee: SONY CORPORATIONInventors: Keiji Kunitomo, Jun Aoyama, Shohei Kosugi, Shun Kikuchi
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Publication number: 20220107559Abstract: A positive resist composition is provided comprising (A) an acid generator in the form of a sulfonium salt consisting of a fluorine-containing sulfonate anion and a fluorine-containing sulfonium cation, (B) a quencher in the form of a sulfonium salt containing at least two fluorine atoms in its cation or containing at least 5 fluorine atoms in its anion and cation, and (C) a base polymer comprising repeat units (a1) having a carboxy group whose hydrogen is substituted by an acid labile group and/or repeat units (a2) having a phenolic hydroxy group whose hydrogen is substituted by an acid labile group. The resist composition exhibits a high sensitivity, high resolution and improved LWR or CDU.Type: ApplicationFiled: September 24, 2021Publication date: April 7, 2022Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Jun Hatakeyama, Takeshi Nagata, Chuanwen Lin, Shun Kikuchi
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Publication number: 20220100089Abstract: A molecular resist composition comprising a sulfonium salt having a cation of specific structure and an organic solvent has a high sensitivity and forms a resist film with improved resolution and LWR, when processed by EB or EUV lithography.Type: ApplicationFiled: September 24, 2021Publication date: March 31, 2022Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Masaki Ohashi, Kazuhiro Katayama, Masahiro Fukushima, Shun Kikuchi
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Publication number: 20210215995Abstract: There is provided an imaging apparatus (60) including: a mode setting unit (72) configured to set a diaphragm driving mode out of a plurality of diaphragm driving modes including a first diaphragm driving mode and a second diaphragm driving mode in which diaphragm driving is more limited than in the first diaphragm driving mode; and a diaphragm control unit (72) configured to control diaphragm driving in accordance with brightness of an imaging target in a case where the mode setting unit sets the second diaphragm driving mode.Type: ApplicationFiled: August 23, 2019Publication date: July 15, 2021Inventors: NOBUHIRO DOI, JUN AOYAMA, KAZUNARI KONISHI, SHUN KIKUCHI
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Publication number: 20210211570Abstract: The present technique relates to a lens apparatus, a driving method, an image capturing apparatus, and an image capturing system that allow reduction of possible noise in a captured image caused by a magnetic field generated when an actuator of the lens apparatus is driven, without any change in image capturing processing of the image capturing apparatus. A lens apparatus is enabled to be mounted on an image capturing apparatus and includes an actuator, a communication section configured to receive, from the image capturing apparatus, drive frequency information used to set a drive frequency for the actuator, a control section configured to set the drive frequency for the actuator on the basis of the drive frequency information, and a driving section configured to drive the actuator at the drive frequency set. The present technique can be applied to, for example, a lens apparatus mounted on a single-lens reflex camera.Type: ApplicationFiled: May 16, 2019Publication date: July 8, 2021Inventors: KEIJI KUNITOMO, JUN AOYAMA, SHOHEI KOSUGI, SHUN KIKUCHI