Patents by Inventor Masanori DAIBO
Masanori DAIBO 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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Superconducting current lead, superconducting current lead device, and superconducting magnet device
Patent number: 10062488Abstract: A superconducting current lead supplying current to a superconducting device includes a plurality of electrode members, a support rod that is arranged between the plurality of electrode members so as to connect the plurality of electrode members each other, and a plurality of thin multi-layer rare-earth-based superconducting wires, each of which has a tape shape and includes a main surface and both end portions being connected to each of the plurality of electrode members, and each of which is arranged on an outer surface of the support rod, wherein an angle ? is 40-60 degrees that is formed by each of the main surfaces adjacent to each other in a circumferential direction of the support rod on the outer surface of the support rod.Type: GrantFiled: August 21, 2014Date of Patent: August 28, 2018Assignee: FUJIKURA LTD.Inventor: Masanori Daibo -
Patent number: 10049800Abstract: A high-temperature superconducting coil according to the invention includes an oxide superconducting wire including a tape-shaped substrate, an intermediate layer being stacked on the substrate, an oxide superconducting layer being stacked on the intermediate layer, and a metal stabilized layer being stacked on the oxide superconducting layer; a coil main body being formed by winding the oxide superconducting wire in a coil shape; and an impregnated resin layer being formed of an impregnated resin of which a thermal shrinkage rate indicating a rate of change of a length when cooling is performed from 293 K to 140 K is greater than or equal to ?0.517%, the impregnated resin layer covering the coil main body.Type: GrantFiled: February 21, 2014Date of Patent: August 14, 2018Assignee: FUJIKURA LTD.Inventors: Masanori Daibo, Hiroshi Chiba
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Patent number: 9564259Abstract: A superconductor wire includes: a superconducting laminate that includes: a substrate and an intermediate layer; a superconductor layer, and a metal stabilization layer which are laminated on the substrate; and an insulation coating layer that covers an outer surface of the superconducting laminate and is formed by baking a resin material. Further, a maximum height Rz of at least a part of the outer surface of the superconducting laminate covered with the insulation coating layer is 890 nm or less.Type: GrantFiled: August 14, 2014Date of Patent: February 7, 2017Assignee: FUJIKURA, LTD.Inventor: Masanori Daibo
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Patent number: 9552913Abstract: A superconducting coil includes: first and second pancake coils that are formed by winding a superconducting wire, are stacked in a thickness direction, and are adjacent to each other; and a cooling substrate that is provided in contact with an end surface of the first pancake coil and is separable into a plurality of cooling plates.Type: GrantFiled: August 15, 2014Date of Patent: January 24, 2017Assignee: FUJIKURA LTD.Inventor: Masanori Daibo
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SUPERCONDUCTING CURRENT LEAD, SUPERCONDUCTING CURRENT LEAD DEVICE, AND SUPERCONDUCTING MAGNET DEVICE
Publication number: 20160322145Abstract: A superconducting current lead supplying current to a superconducting device includes a plurality of electrode members, a support rod that is arranged between the plurality of electrode members so as to connect the plurality of electrode members each other, and a plurality of thin multi-layer rare-earth-based superconducting wires, each of which has a tape shape and includes a main surface and both end portions being connected to each of the plurality of electrode members, and each of which is arranged on an outer surface of the support rod, wherein an angle ? is 40-60 degrees that is formed by each of the main surfaces adjacent to each other in a circumferential direction of the support rod on the outer surface of the support rod.Type: ApplicationFiled: August 21, 2014Publication date: November 3, 2016Applicant: FUJIKURA LTD.Inventor: Masanori DAIBO -
Patent number: 9478328Abstract: A method for manufacturing a high frequency cable that includes covering a central conductor made from aluminum or an aluminum alloy with a covering layer made from copper; and wire drawing of the central conductor covered by the covering layer using dies at multiple steps, each of the dies having a cross-section reduction rate of 20% to 29% with an entire reduction angle of 16 degrees, to form a fiber-like structure in a longitudinal direction in the covering layer, and to form an intermetallic compound layer having greater volume resistivity than the covering layer between the central conductor and the covering layer.Type: GrantFiled: July 21, 2014Date of Patent: October 25, 2016Assignee: FUJIKURA LTD.Inventors: Takashi Shinmoto, Shotaro Yoshida, Shinji Katayama, Taikou Toda, Takamasa Kato, Masanori Daibo, Akio Kawakawi
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Patent number: 9418776Abstract: An oxide superconductor wire includes: a superconductor laminate that comprises a substrate which is formed in a tape shape and an intermediate layer, an oxide superconductor layer, and a metal stabilizing layer which are laminated on the substrate; and an insulating coating layer that covers an outside surface of the superconductor laminate, Also, either the entire outside surface or the entire inside surface of the insulating coating layer is coated with a coating layer formed of a fluororesin.Type: GrantFiled: February 7, 2014Date of Patent: August 16, 2016Assignee: FUJIKURA LTD.Inventor: Masanori Daibo
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Publication number: 20160005518Abstract: A high-temperature superconducting coil according to the invention includes an oxide superconducting wire including a tape-shaped substrate, an intermediate layer being stacked on the substrate, an oxide superconducting layer being stacked on the intermediate layer, and a metal stabilized layer being stacked on the oxide superconducting layer; a coil main body being formed by winding the oxide superconducting wire in a coil shape; and an impregnated resin layer being formed of an impregnated resin of which a thermal shrinkage rate indicating a rate of change of a length when cooling is performed from 293 K to 140 K is greater than or equal to ?0.517%, the impregnated resin layer covering the coil main body.Type: ApplicationFiled: February 21, 2014Publication date: January 7, 2016Applicant: FUJIKURA LTD.Inventors: Masanori DAIBO, Hiroshi CHIBA
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Patent number: 9123456Abstract: A high frequency cable includes: a central conductor made from aluminum or an aluminum alloy; a covering layer made from copper covering the central conductor, and having a fiber-like structure in a longitudinal direction; and an intermetallic compound layer formed between the central conductor and the covering layer and having greater volume resistivity than the covering layer, wherein a cross-sectional area of the covering layer is 15% or less of an entire cross-sectional area including the central conductor, the intermetallic compound layer and the covering layer.Type: GrantFiled: September 21, 2012Date of Patent: September 1, 2015Assignee: FUJIKURA LTD.Inventors: Takashi Shinmoto, Shotaro Yoshida, Shinji Katayama, Taikou Toda, Takamasa Kato, Masanori Daibo, Akio Kawakami
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Publication number: 20150013153Abstract: A high frequency cable includes: a central conductor made from aluminum or an aluminum alloy; a covering layer made from copper covering the central conductor, and having a fiber-like structure in a longitudinal direction; and an intermetallic compound layer formed between the central conductor and the covering layer and having greater volume resistivity than the covering layer, wherein a cross-sectional area of the covering layer is 15% or less of an entire cross-sectional area including the central conductor, the intermetallic compound layer and the covering layer.Type: ApplicationFiled: July 21, 2014Publication date: January 15, 2015Applicant: FUJIKURA LTD.Inventors: Takashi SHINMOTO, Shotaro YOSHIDA, Shinji KATAYAMA, Taikou TODA, Takamasa KATO, Masanori DAIBO, Akio KAWAKAWI
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Publication number: 20140357492Abstract: A superconducting coil includes: first and second pancake coils that are formed by winding a superconducting wire, are stacked in a thickness direction, and are adjacent to each other; and a cooling substrate that is provided in contact with an end surface of the first pancake coil and is separable into a plurality of cooling plates.Type: ApplicationFiled: August 15, 2014Publication date: December 4, 2014Applicant: FUJIKURA LTD.Inventor: Masanori DAIBO
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Publication number: 20140357495Abstract: A superconductor wire includes: a superconducting laminate that includes: a substrate and an intermediate layer; a superconductor layer, and a metal stabilization layer which are laminated on the substrate; and an insulation coating layer that covers an outer surface of the superconducting laminate and is formed by baking a resin material. Further, a maximum height Rz of at least a part of the outer surface of the superconducting laminate covered with the insulation coating layer is 890 nm or less.Type: ApplicationFiled: August 14, 2014Publication date: December 4, 2014Applicant: Fujikura Ltd.Inventor: Masanori DAIBO
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Publication number: 20140155269Abstract: An oxide superconductor wire includes: a superconductor laminate that comprises a substrate which is formed in a tape shape and an intermediate layer, an oxide superconductor layer, and a metal stabilizing layer which are laminated on the substrate; and an insulating coating layer that covers an outside surface of the superconductor laminate, Also, either the entire outside surface or the entire inside surface of the insulating coating layer is coated with a coating layer formed of a fluororesin.Type: ApplicationFiled: February 7, 2014Publication date: June 5, 2014Applicant: FUJIKURA LTD.Inventor: Masanori DAIBO
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Patent number: 8498680Abstract: An electrode unit joining structure for a superconducting wire includes: a superconducting wire comprising a first base member, a first superconducting layer provided on the first base member, and a first electroconductive layer provided on the first superconducting layer; an electrode provided on the first electroconductive layer at an end portion of the superconducting wire; and a superconducting cover tape comprising a second base member, a second superconducting layer provided on the second base member, and a second electroconductive layer provided on the second superconducting layer, the superconducting cover tape being provided so as to cover at least part of the electrode, wherein the second electroconductive layer of the superconducting cover tape is disposed on the electrode side, and the electrode, the superconducting wire, and the superconducting cover tape are electrically connected to each other.Type: GrantFiled: October 12, 2012Date of Patent: July 30, 2013Assignee: Fujikura Ltd.Inventors: Masashi Haraguchi, Shinji Fujita, Masanori Daibo
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Publication number: 20130014973Abstract: A high frequency cable includes: a central conductor made from aluminum or an aluminum alloy; a covering layer made from copper covering the central conductor, and having a fiber-like structure in a longitudinal direction; and an intermetallic compound layer formed between the central conductor and the covering layer and having greater volume resistivity than the covering layer, wherein a cross-sectional area of the covering layer is 15% or less of an entire cross-sectional area including the central conductor, the intermetallic compound layer and the covering layer.Type: ApplicationFiled: September 21, 2012Publication date: January 17, 2013Applicant: FUJIKURA LTD.Inventors: Takashi SHINMOTO, Shotaro YOSHIDA, Shinji KATAYAMA, Taikou TODA, Takamasa KATO, Masanori DAIBO, Akio KAWAKAMI