Patents by Inventor Ryo Takai
Ryo Takai 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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Publication number: 20240084431Abstract: A sprayed coating having a multilayer structure including a lower layer made a sprayed coating containing a rare earth oxide, and a surface layer made of another sprayed coating containing a rare earth fluoride and/or a rare earth oxyfluoride, the multilayered sprayed coating having a volume resistivity at 23° C. and a volume resistivity at 200° C., the volume resistivity at 23° C. being 1×109 to 1×1012 ?·cm, and a temperature index of the volume resistivities defined by the ratio of the volume resistivity at 200° C. to the volume resistivity at 23° C. being 0.1 to 10.Type: ApplicationFiled: November 16, 2023Publication date: March 14, 2024Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Ryo Iwasaki, Noriaki Hamaya, Yasushi Takai, Hajime Nakano
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Publication number: 20230229095Abstract: A detection apparatus including a plurality of detection systems arranged spaced apart from each other so as to detect, of a plurality of marks provided on an object held by a stage, marks different from each other, and a processing unit configured to perform a first process of obtaining a first detection value by detecting the plurality of marks by one or more detection systems in a first state in which the stage is arranged at a first rotation angle, and a second process of obtaining a second detection value by detecting the plurality of marks by two or more detection systems in a second state in which the stage is arranged at a second rotation angle, and obtain a difference between the first detection value and the second detection value for each of the plurality of marks.Type: ApplicationFiled: January 13, 2023Publication date: July 20, 2023Inventors: HIRONORI MAEDA, RYO TAKAI, MASAKATSU YANAGISAWA
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Patent number: 11420430Abstract: It is provided that a polypropylene-based laminated film having high heat resistance and stiffness. A polypropylene-based laminated film comprising: a base layer (A) that is formed of a polypropylene-based resin satisfying following conditions 1) to 4) and contains an antifogging agent; and a heat seal layer (B) formed on one or both surfaces of the base layer (A) and formed of a polyolefin-based resin, wherein a lower limit of a plane orientation coefficient of the film is 0.0125, 1) a lower-limit mesopentad fraction is 96%, 2) an upper-limit amount of a copolymerization monomer other than propylene is 0.1 mol %, 3) mass average molecular weight (Mw)/number average molecular weight (Mn) is 3.0 or more and 5.4 or less, and 4) a melt flow rate (MFR) measured at 230° C. and 2.16 kgf is 6.2 g/10 min or more and 9.0 g/10 min or less.Type: GrantFiled: June 11, 2019Date of Patent: August 23, 2022Assignee: TOYOBO CO., LTD.Inventors: Tomoya Yoshii, Kazuya Kiriyama, Ryo Takai, Toru Imai
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Patent number: 11246099Abstract: By switching the transmission mode according to the power amount of a power storage unit in a wireless communication terminal, appropriate communication performance is ensured. A communication unit transmits a packet. A comparison unit compares the power amount of the power storage unit with a predetermined threshold. A control unit causes the communication unit to transmit first transmission data in a first transmission mode in a case where the power amount of the power storage unit is larger than a predetermined threshold. Furthermore, the control unit causes the communication unit to transmit second transmission data including a known payload in a second transmission mode in a case where the power amount of the power storage unit is not larger than the predetermined threshold.Type: GrantFiled: February 15, 2019Date of Patent: February 8, 2022Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Yusuke Yoneyama, Ryo Takai
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Publication number: 20210213720Abstract: It is provided that a polypropylene-based laminated film having high heat resistance and stiffness. A polypropylene-based laminated film comprising: a base layer (A) that is formed of a polypropylene-based resin satisfying following conditions 1) to 4) and contains an antifogging agent; and a heat seal layer (B) formed on one or both surfaces of the base layer (A) and formed of a polyolefin-based resin, wherein a lower limit of a plane orientation coefficient of the film is 0.0125, 1) a lower-limit mesopentad fraction is 96%, 2) an upper-limit amount of a copolymerization monomer other than propylene is 0.1 mol %, 3) mass average molecular weight (Mw)/number average molecular weight (Mn) is 3.0 or more and 5.4 or less, and 4) a melt flow rate (MFR) measured at 230° C. and 2.16 kgf is 6.2 g/10 min or more and 9.0 g/10 min or less.Type: ApplicationFiled: June 11, 2019Publication date: July 15, 2021Applicant: TOYOBO CO., LTD.Inventors: Tomoya YOSHII, Kazuya KIRIYAMA, Ryo TAKAI, Toru IMAI
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Patent number: 10481509Abstract: The present invention provides a vibration damping apparatus that performs vibration damping of a first optical element among a plurality of optical elements arranged in a barrel, comprising: a holding member connected to the barrel and configured to hold the first optical element; and a mass body supported by the holding member via a damper element, wherein the mass body includes a second optical element different from the first optical element among the plurality of optical elements.Type: GrantFiled: March 4, 2019Date of Patent: November 19, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Yoshihiro Morimoto, Hiromichi Hara, Masahiko Ogawa, Ryo Takai
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Publication number: 20190278185Abstract: The present invention provides a vibration damping apparatus that performs vibration damping of a first optical element among a plurality of optical elements arranged in a barrel, comprising: a holding member connected to the barrel and configured to hold the first optical element; and a mass body supported by the holding member via a damper element, wherein the mass body includes a second optical element different from the first optical element among the plurality of optical elements.Type: ApplicationFiled: March 4, 2019Publication date: September 12, 2019Inventors: Yoshihiro Morimoto, Hiromichi Hara, Masahiko Ogawa, Ryo Takai
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Patent number: 10197926Abstract: The present invention provides an exposure apparatus exposing a substrate through a projection optical system, the apparatus comprising a stage configured to hold the substrate, a detection unit configured to emit detection light in a first direction and detect a position of the stage, a blowing unit configured to blow out a gas, and a guide unit including a first portion and a second portion, wherein the first portion is configured to guide the gas to a first space between the projection optical system and the substrate, such that a gas flow along the substrate is formed in the first space, and wherein the second portion is configured to guide the gas to a second space where the detection light passes through, such that a gas flow in a second direction is formed in the second space.Type: GrantFiled: December 13, 2016Date of Patent: February 5, 2019Assignee: CANON KABUSHIKI KAISHAInventor: Ryo Takai
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Patent number: 9804510Abstract: Provided is an interferometer system that irradiates an object to be measured with measuring light to thereby measure the position of the object to be measured. The interferometer system includes a laser light source; an interferometer configured to separate laser light emitted from an emission opening of the laser light source into the measuring light and reference light; and an optical path protecting member configured to surround an optical axis such that the laser light passes through the inside thereof and of which one opening is in contact with the emission opening.Type: GrantFiled: January 13, 2014Date of Patent: October 31, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Zenichi Hamaya, Ryo Takai, Shinichiro Hirai, Takeshi Rokukawa, Takashi Miura
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Publication number: 20170184983Abstract: The present invention provides an exposure apparatus exposing a substrate through a projection optical system, the apparatus comprising a stage configured to hold the substrate, a detection unit configured to emit detection light in a first direction and detect a position of the stage, a blowing unit configured to blow out a gas, and a guide unit including a first portion and a second portion, wherein the first portion is configured to guide the gas to a first space between the projection optical system and the substrate, such that a gas flow along the substrate is formed in the first space, and wherein the second portion is configured to guide the gas to a second space where the detection light passes through, such that a gas flow in a second direction is formed in the second space.Type: ApplicationFiled: December 13, 2016Publication date: June 29, 2017Inventor: Ryo Takai
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Patent number: 9217937Abstract: A stage apparatus includes a stage, an interferometric measurement device which is arranged to be able to measure a position of a surface of a mirror arranged on a side surface of the stage, and a driving unit configured to position the stage based on a measurement result of the interferometric measurement device. The interferometric measurement device includes: a varying unit configured to periodically vary an incident position where measurement light is incident on the mirror; and a detecting unit configured to detect rotation of the mirror based on a variation amount of the measurement result of the interferometric measurement device, which is generated upon a periodic variation of the incident position.Type: GrantFiled: October 29, 2013Date of Patent: December 22, 2015Assignee: Canon Kabushiki KaishaInventors: Zenichi Hamaya, Keiji Emoto, Ryo Takai, Shinichiro Hirai
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Publication number: 20140198307Abstract: Provided is an interferometer system that irradiates an object to be measured with measuring light to thereby measure the position of the object to be measured. The interferometer system includes a laser light source; an interferometer configured to separate laser light emitted from an emission opening of the laser light source into the measuring light and reference light; and an optical path protecting member configured to surround an optical axis such that the laser light passes through the inside thereof and of which one opening is in contact with the emission opening.Type: ApplicationFiled: January 13, 2014Publication date: July 17, 2014Inventors: Zenichi Hamaya, Ryo Takai, Shinichiro Hirai, Takeshi Rokukawa, Takashi Miura
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Publication number: 20140125962Abstract: A stage apparatus includes a stage, an interferometric measurement device which is arranged to be able to measure a position of a surface of a mirror arranged on a side surface of the stage, and a driving unit configured to position the stage based on a measurement result of the interferometric measurement device. The interferometric measurement device includes: a varying unit configured to periodically vary an incident position where measurement light is incident on the mirror; and a detecting unit configured to detect rotation of the mirror based on a variation amount of the measurement result of the interferometric measurement device, which is generated upon a periodic variation of the incident position.Type: ApplicationFiled: October 29, 2013Publication date: May 8, 2014Applicant: Canon Kabushiki KaishaInventors: Zenichi Hamaya, Keiji Emoto, Ryo Takai, Shinichiro Hirai
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Publication number: 20110051109Abstract: A measurement apparatus which includes a plurality of sensors arranged on a movable member, and a plurality of scales attached to a structure, and measures a position of the movable member by detecting a displacement of the movable member using a sensor and a scale that face each other, the plurality of scales including two first scales configured to detect displacements of the movable member in a first direction, and two second scales configured to detect displacements of the movable member in a second direction different from the first direction, and the apparatus comprising a controller configured to reduce a measurement error resulting from a geometrical error between the two first scales.Type: ApplicationFiled: August 31, 2010Publication date: March 3, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Keiji EMOTO, Ryo TAKAI
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Patent number: 6819433Abstract: To accurately measure the position and posture of a stage apparatus used in an exposure apparatus or the like, the Z position and displacement of a top stage (27) are measured using as a reference a lens barrel support (35) independently of the top stage in terms of vibrations by an interferometer system which includes a projection optical system (34) for projecting a pattern formed on a master onto a substrate, stages (27, 31, 40) capable of moving with respect to the projection optical system (34) while holding the substrate or master, and a lens barrel support (35) that supports the projection optical system (34), and which uses a Z measuring mirror (30) that is arranged on a Y stage (31) and has a reflecting surface almost parallel to the XY plane, and a Z interferometer (25) arranged on the Y stage (31).Type: GrantFiled: February 12, 2002Date of Patent: November 16, 2004Assignee: Canon Kabushiki KaishaInventors: Ryo Takai, Kazunori Iwamoto
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Publication number: 20020109850Abstract: To accurately measure the position and posture of a stage apparatus used in an exposure apparatus or the like, the Z position and displacement of a top stage (27) are measured using as a reference a lens barrel support (35) independently of the top stage in terms of vibrations by an interferometer system which includes a projection optical system (34) for projecting a pattern formed on a master onto a substrate, stages (27, 31, 40) capable of moving with respect to the projection optical system (34) while holding the substrate or master, and a lens barrel support (35) that supports the projection optical system (34), and which uses a Z measuring mirror (30) that is arranged on a Y stage (31) and has a reflecting surface almost parallel to the XY plane, and a Z interferometer (25) arranged on the Y stage (31).Type: ApplicationFiled: February 12, 2002Publication date: August 15, 2002Applicant: Canon Kabushiki KaishaInventors: Ryo Takai, Kazunori Iwamoto