Patents by Inventor Hiroshi Yakushiji
Hiroshi Yakushiji 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: 11810748Abstract: An ion gun according to one embodiment of the present invention has an anode, a cathode having a first portion and a second portion that face the anode, and a magnet that creates a spatial magnetic field between the first portion and the second portion. An annular gap including a curved portion is provided between the first portion and the second portion of the cathode. The magnet creates lines of magnetic field having the bottom inside with respect to the sectional center line of the gap between the first portion and the second portion of the curved portion.Type: GrantFiled: January 17, 2023Date of Patent: November 7, 2023Assignee: CANON ANELVA CORPORATIONInventors: Tsutomu Hiroishi, Reiji Sakamoto, Hiroshi Yakushiji
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Publication number: 20230187338Abstract: Provided are a laminated body and a laminated body manufacturing method that can improve adhesiveness between a resin layer and a seed layer. The laminated body has a substrate, a first wiring layer, a resin layer, and a second wiring layer in this order, and the second wiring layer includes at least an adhesive layer and a seed layer in this order.Type: ApplicationFiled: February 15, 2023Publication date: June 15, 2023Inventors: HIROSHI YAKUSHIJI, REIJI SAKAMOTO, MASAHIRO SHIBAMOTO
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Publication number: 20230154721Abstract: An ion gun according to one embodiment of the present invention has an anode, a cathode having a first portion and a second portion that face the anode, and a magnet that creates a spatial magnetic field between the first portion and the second portion. An annular gap including a curved portion is provided between the first portion and the second portion of the cathode. The magnet creates lines of magnetic field having the bottom inside with respect to the sectional center line of the gap between the first portion and the second portion of the curved portion.Type: ApplicationFiled: January 17, 2023Publication date: May 18, 2023Inventors: Tsutomu Hiroishi, Reiji Sakamoto, Hiroshi Yakushiji
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Patent number: 11600295Abstract: A vacuum process method for a magnetic recording medium having a surface protective layer for protecting a magnetic recording layer formed on a substrate includes a ta-C film forming step of forming a ta-C film on the magnetic recording layer, a transportation step of transporting a substrate on which the ta-C film is formed, a radical generation step of generating radicals by exciting a process gas, and a radical process step of irradiating a surface of the ta-C film with the radicals.Type: GrantFiled: April 18, 2016Date of Patent: March 7, 2023Assignee: CANON ANELVA CORPORATIONInventors: Hiroshi Yakushiji, Masahiro Shibamoto
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Publication number: 20230002886Abstract: A film forming apparatus has a process chamber and a processing unit provided in the process chamber and forming adhesive film. The surface of the inner walls of the process chamber is formed of a material having a large getter effect on gas or water (H2O) remaining in the process chamber.Type: ApplicationFiled: September 9, 2022Publication date: January 5, 2023Inventors: HIROSHI YAKUSHIJI, REIJI SAKAMOTO, MASAHIRO SHIBAMOTO
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Patent number: 11289305Abstract: A deposition method of arranging a discharge portion of a striker near a target to induce arc discharge and forming a film on a substrate using a plasma generated by the arc discharge is disclosed. The method includes a changing step of changing a position for inducing the arc discharge by the striker in a region set in the target, a deposition step of forming the film on the substrate using the plasma generated by inducing the arc discharge at the position, and a reduction step of reducing the region in accordance with use of the target.Type: GrantFiled: June 24, 2020Date of Patent: March 29, 2022Assignee: CANON ANELVA CORPORATIONInventors: Hiroshi Yakushiji, Yuzuru Miura, Masahiro Shibamoto
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Patent number: 10971332Abstract: A plasma processing apparatus includes a processing chamber configured to process a substrate, a plasma generator configured to generate a plasma, a transport unit configured to transport, to the processing chamber, the plasma generated by the plasma generator, and a scanning magnetic field generator configured to generate a magnetic field which deflects the plasma so as to scan the substrate by the plasma. The scanning magnetic field generator is configured to be capable of adjusting a center of a locus of the plasma.Type: GrantFiled: May 11, 2020Date of Patent: April 6, 2021Assignee: CANON ANELVA CORPORATIONInventors: Hiroshi Yakushiji, Yuto Watanabe, Masahiro Shibamoto
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Patent number: 10917960Abstract: A deposition apparatus includes a plasma generator for generating a plasma by arc discharge, and a deposition unit for forming a film on a member by the plasma generated by the plasma generator. The plasma generator includes a target holder for holding a target and applying a negative potential to the target, an anode to which a positive potential is applied, and a capture for capturing droplets from the target. The anode has an opening, and the capture is arranged in the opening.Type: GrantFiled: December 30, 2016Date of Patent: February 9, 2021Assignee: CANON ANELVA CORPORATIONInventors: Masahiro Atsumi, Hidekazu Nishimura, Masahiro Shibamoto, Hiroshi Yakushiji
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Publication number: 20200328062Abstract: A deposition method of arranging a discharge portion of a striker near a target to induce arc discharge and forming a film on a substrate using a plasma generated by the arc discharge is disclosed. The method includes a changing step of changing a position for inducing the arc discharge by the striker in a region set in the target, a deposition step of forming the film on the substrate using the plasma generated by inducing the arc discharge at the position, and a reduction step of reducing the region in accordance with use of the target.Type: ApplicationFiled: June 24, 2020Publication date: October 15, 2020Applicant: Canon Anelva CorporationInventors: Hiroshi Yakushiji, Yuzuru Miura, Masahiro Shibamoto
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Publication number: 20200273672Abstract: A plasma processing apparatus includes a processing chamber configured to process a substrate, a plasma generator configured to generate a plasma, a transport unit configured to transport, to the processing chamber, the plasma generated by the plasma generator, and a scanning magnetic field generator configured to generate a magnetic field which deflects the plasma so as to scan the substrate by the plasma. The scanning magnetic field generator is configured to be capable of adjusting a center of a locus of the plasma.Type: ApplicationFiled: May 11, 2020Publication date: August 27, 2020Applicant: CANON ANELVA CORPORATIONInventors: Hiroshi YAKUSHIJI, Yuto WATANABE, Masahiro SHIBAMOTO
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Patent number: 10731245Abstract: A vacuum arc deposition apparatus for forming a ta-C film on a substrate using arc discharge includes a holding unit that holds a target unit, an anode unit into which electrons emitted from the target unit flow, and a power supply that supplies, between the target unit and the anode unit, a current for generating a plasma by arc discharge. The current supplied by the power supply at the time of the arc discharge is generated by superimposing, on a DC current, a pulse current of a pulse frequency not higher than 140 Hz.Type: GrantFiled: November 8, 2017Date of Patent: August 4, 2020Assignee: Canon Anelva CorporationInventors: Hiroshi Yakushiji, Yuto Watanabe, Masahiro Shibamoto, Yuzuru Miura
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Patent number: 10626494Abstract: In one embodiment of the invention, a protective film formation chamber for forming a carbon protective film on a magnetic film includes: a gas introduction part which introduces a source gas to a vacuum vessel; a discharge electrode having a discharge surface at a position facing a substrate conveyed to a predetermined position in the vacuum vessel; a plasma formation part which applies voltage between the discharge surface and the substrate conveyed to the predetermined position; a permanent magnet being provided on a back side of the discharge surface and having a first magnet and a second magnet provided such that their magnetic poles facing the discharge surface are opposite to each other; and a no-erosion-portion mask being provided in parallel to the discharge surface and covering an area of the discharge surface surrounding a portion facing the permanent magnet.Type: GrantFiled: December 16, 2013Date of Patent: April 21, 2020Assignee: CANON ANELVA CORPORATIONInventors: Hiroshi Yakushiji, Masahiro Shibamoto, Kazuto Yamanaka, Shogo Hiramatsu, Susumu Karino
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Publication number: 20180066353Abstract: A vacuum arc deposition apparatus for forming a ta-C film on a substrate using arc discharge includes a holding unit that holds a target unit, an anode unit into which electrons emitted from the target unit flow, and a power supply that supplies, between the target unit and the anode unit, a current for generating a plasma by arc discharge. The current supplied by the power supply at the time of the arc discharge is generated by superimposing, on a DC current, a pulse current of a pulse frequency not higher than 140 Hz.Type: ApplicationFiled: November 8, 2017Publication date: March 8, 2018Applicant: CANON ANELVA CORPORATIONInventors: Hiroshi Yakushiji, Yuto Watanabe, Masahiro Shibamoto, Yuzuru Miura
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Publication number: 20170202077Abstract: A deposition apparatus includes a plasma generator for generating a plasma by arc discharge, and a deposition unit for forming a film on a member by the plasma generated by the plasma generator. The plasma generator includes a target holder for holding a target and applying a negative potential to the target, an anode to which a positive potential is applied, and a capture for capturing droplets from the target. The anode has an opening, and the capture is arranged in the opening.Type: ApplicationFiled: December 30, 2016Publication date: July 13, 2017Applicant: CANON ANELVA CORPORATIONInventors: Masahiro ATSUMI, Hidekazu NISHIMURA, Masahiro SHIBAMOTO, Hiroshi YAKUSHIJI
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Publication number: 20160232932Abstract: A vacuum process method for a magnetic recording medium having a surface protective layer for protecting a magnetic recording layer formed on a substrate includes a ta-C film forming step of forming a ta-C film on the magnetic recording layer, a transportation step of transporting a substrate on which the ta-C film is formed, a radical generation step of generating radicals by exciting a process gas, and a radical process step of irradiating a surface of the ta-C film with the radicals.Type: ApplicationFiled: April 18, 2016Publication date: August 11, 2016Applicant: CANON ANELVA CORPORATIONInventors: Hiroshi YAKUSHIJI, Masahiro SHIBAMOTO
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Patent number: 8767350Abstract: In one embodiment, a method for forming a magnetic recording medium includes forming a protective layer above recording regions of a patterned magnetic recording layer and separating regions between the recording regions, wherein the protective layer forms on sides of the recording regions and partially fills the separating regions, and forming a filler layer on the protective layer, wherein the filler layer completely fills the separating regions, wherein the filler layer has an uneven upper surface. In another embodiment, a medium includes a patterned magnetic recording layer, a protective layer above the patterned magnetic recording layer and on sides of the patterned magnetic recording layer, and a filler layer positioned between the patterned magnetic recording layer in separating regions, wherein DLC of the filler layer is a lower density than DLC of the protective layer. Other systems and methods are described according to more embodiments.Type: GrantFiled: December 6, 2010Date of Patent: July 1, 2014Assignee: HGST Netherlands B.V.Inventors: Hiroshi Yakushiji, Toshinori Ono, Tatsuya Hinoue
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Publication number: 20140174355Abstract: In one embodiment of the invention, a protective film formation chamber for forming a carbon protective film on a magnetic film includes: a gas introduction part which introduces a source gas to a vacuum vessel; a discharge electrode having a discharge surface at a position facing a substrate conveyed to a predetermined position in the vacuum vessel; a plasma formation part which applies voltage between the discharge surface and the substrate conveyed to the predetermined position; a permanent magnet being provided on a back side of the discharge surface and having a first magnet and a second magnet provided such that their magnetic poles facing the discharge surface are opposite to each other; and a no-erosion-portion mask being provided in parallel to the discharge surface and covering an area of the discharge surface surrounding a portion facing the permanent magnet.Type: ApplicationFiled: December 16, 2013Publication date: June 26, 2014Applicant: CANON ANELVA CORPORATIONInventors: Hiroshi YAKUSHIJI, Masahiro SHIBAMOTO, Kazuto YAMANAKA, Shogo HIRAMATSU, Susumu KARINO
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Patent number: 8599509Abstract: In one embodiment, a magnetic recording medium includes a patterned magnetic recording layer above a substrate, the patterned magnetic recording layer including recording regions and separating regions for separating the recording regions and a non-magnetic alloy layer positioned in the separating regions, wherein the non-magnetic alloy layer includes Ti. In another embodiment, a method for producing a magnetic recording medium includes forming separating regions in a magnetic recording layer by removing portions of the magnetic layer, wherein the separating regions separate recording regions in the magnetic layer, and depositing a non-magnetic alloy layer in the separating regions. Other media and methods are described according to more embodiments.Type: GrantFiled: November 1, 2010Date of Patent: December 3, 2013Assignee: HGST Netherlands B.V.Inventors: Toshinori Ono, Tatsuya Hinoue, Hiroshi Yakushiji
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Publication number: 20120140357Abstract: In one embodiment, a method for forming a magnetic recording medium includes forming a protective layer above reading regions of a patterned magnetic recording layer and separating regions between the recording regions, wherein the protective layer forms on sides of the recording regions and partially fills the separating regions, and forming a filler layer on the protective layer, wherein the filler layer completely fills the separating regions, wherein the filler layer has an uneven upper surface. In another embodiment, a medium includes a patterned magnetic recording layer, a protective layer above the patterned magnetic recording layer and on sides of the patterned magnetic recording layer, and a filler layer positioned between the patterned magnetic recording layer in separating regions, wherein DLC of the filler layer is a lower density than DLC of the protective layer. Other systems and methods are described according to more embodiments.Type: ApplicationFiled: December 6, 2010Publication date: June 7, 2012Applicant: Hitachi Global Storage Technologies Netherlands B. V.Inventors: Hiroshi Yakushiji, Toshinori Ono, Tatsuya Hinoue
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Publication number: 20110128649Abstract: In one embodiment, a magnetic recording medium includes a patterned magnetic recording layer above a substrate, the patterned magnetic recording layer including recording regions and separating regions for separating the recording regions and a non-magnetic alloy layer positioned in the separating regions, wherein the non-magnetic alloy layer includes Ti. In another embodiment, a method for producing a magnetic recording medium includes forming separating regions in a magnetic recording layer by removing portions of the magnetic layer, wherein the separating regions separate recording regions in the magnetic layer, and depositing a non-magnetic alloy layer in the separating regions. Other media and methods are described according to more embodiments.Type: ApplicationFiled: November 1, 2010Publication date: June 2, 2011Applicant: Hitachi Global Storage Technologies Netherlands B.V.Inventors: Toshinori Ono, Tatsuya Hinoue, Hiroshi Yakushiji