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公开(公告)号：US20200265968A1
公开(公告)日：2020-08-20
申请号：US16858289
申请日：2020-04-24
Applicant: Furukawa Electric Co., Ltd.
Inventor： Hideki AIZAWA , Michimasa WATANABE , Satoshi YAMAZAKI , Satoshi YAMASHITA , Kenji HATAMOTO
Abstract: The present disclosure relates to a coated carbon nanotube electric wire and a coil, which have excellent electroconductivity that is comparable to a wire made of copper, aluminum, or the like, realize an excellent insulation property and abrasion resistance, further have a heat dissipation ability, and can realize weight reduction. A coated carbon nanotube electric wire (1) includes: a carbon nanotube wire (10) that includes a single or a plurality of carbon nanotube aggregates (11) configured of a plurality of carbon nanotubes (11a); and an insulating coating layer (21) coating the carbon nanotube wire, and a thickness deviation rate of the insulating coating layer (21) is equal to or greater than 50%.
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公开(公告)号：US20200258656A1
公开(公告)日：2020-08-13
申请号：US16859432
申请日：2020-04-27
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Satoshi YAMAZAKI , Satoshi YAMASHITA , Kenji HATAMOTO , Hideki AIZAWA
Abstract: The present disclosure provides a coated carbon nanotube electric wire that excels in visibility as well as weight reduction, abrasion resistance, and insulation reliability. A coated carbon nanotube electric wire includes a carbon nanotube wire made up of one or more carbon nanotube aggregates formed by a plurality of carbon nanotubes, and an insulating coating layer configured to coat the carbon nanotube wire, in which arithmetic mean roughness (Ra1) of an outer surface of the carbon nanotube wire in a circumferential direction is smaller than arithmetic mean roughness (Ra2) of an outer surface of the insulating coating layer in the circumferential direction.
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公开(公告)号：US20200251248A1
公开(公告)日：2020-08-06
申请号：US16857972
申请日：2020-04-24
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Satoshi YAMAZAKI , Satoshi YAMASHITA , Kenji HATAMOTO , Hideki AIZAWA
IPC: H01B7/08 , C01B32/168 , H01B1/04 , H01B7/42
Abstract: The present disclosure provides a coated carbon nanotube electric wire capable of realizing an excellent insulation property, and additionally realizing excellent adhesiveness, while having excellent electroconductivity comparable to those of wires composed of copper, aluminum and the like. A coated carbon nanotube electric wire includes a carbon nanotube wire composed of a single or a plurality of carbon nanotube aggregates each constituted of a plurality of carbon nanotubes, and an insulating coating layer coating the carbon nanotube wire, wherein an arithmetic mean roughness Ra1 on a peripheral surface of the carbon nanotube wire in a longitudinal direction is larger than 0.05 μm and not larger than 16 μm, and an arithmetic mean roughness Ra2 on a peripheral surface of the carbon nanotube wire in a circumferential direction is not smaller than 0.01 μm and not larger than 4.5 μm.
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公开(公告)号：US20200258653A1
公开(公告)日：2020-08-13
申请号：US16859069
申请日：2020-04-27
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Hideki AIZAWA , Satoshi YAMAZAKI , Satoshi YAMASHITA , Kenji HATAMOTO
Abstract: The present disclosure provides a coated carbon nanotube electric wire that has excellent electroconductivity comparable to electric wires made of copper, aluminum, and the like, achieves marked weight reduction and heat dissipation characteristics, and excels in adhesiveness between an insulating coating and core wire. A coated carbon nanotube electric wire includes a carbon nanotube wire made up of one or more carbon nanotube aggregates formed by a plurality of carbon nanotubes, and an insulating coating layer configured to coat the carbon nanotube wire, in which arithmetic mean roughness (Ra1) of an outer surface of the carbon nanotube wire in a circumferential direction is larger than arithmetic mean roughness (Ra2) of an outer surface of the insulating coating layer in the circumferential direction.
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公开(公告)号：US20200258648A1
公开(公告)日：2020-08-13
申请号：US16857729
申请日：2020-04-24
Applicant: Furukawa Electric Co., Ltd.
Inventor： Satoshi YAMAZAKI , Satoshi YAMASHITA , Kenji HATAMOTO , Hideki AIZAWA
IPC: H01B1/04 , C01B32/168 , H01B7/00
Abstract: The present disclosure relates to a carbon nanotube strand wire capable of realizing electroconductivity that is equivalent to electroconductivity of a wire configured of a core wire made mainly of metal such as copper or aluminum, realizing excellent handling ability, and additionally realizing further weight reduction. A CNT strand wire is obtained by twisting a plurality of CNT wires of a plurality of bundled CNT aggregates configured of a plurality of CNTs together. At least one of a number of twists t1 of the CNT wires and a number of twists t2 of the CNT strand wire is equal to or greater than 2500 T/m, or the number of twists t1 of the CNT wires is equal to or greater than 1000 T/m and less than 2500 T/m while the number of twists t2 of the CNT strand wire is equal to or greater than 500 T/m and less than 2500 T/m, or the number of twists t1 of the CNT wires is equal to or greater than 500 T/m and less than 1000 T/m while the number of twists t2 of the CNT strand wire is equal to or greater than 1000 T/m and less than 2500 T/m.
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Patent Agency Ranking
公开(公告)号：US20200251247A1
公开(公告)日：2020-08-06
申请号：US16857873
申请日：2020-04-24
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Hideki AIZAWA , Satoshi YAMAZAKI , Satoshi YAMASHITA , Kenji HATAMOTO
IPC: H01B7/08 , C01B32/168 , H01B7/42 , H01B1/04 , H01B5/08
Abstract: The present disclosure relates to a coated carbon nanotube electric wire includes: a carbon nanotube wire including one or more carbon nanotube aggregates configured of a plurality of carbon nanotubes; and an insulating coating layer with which the carbon nanotube wire is coated, in which a proportion of a Young's modulus of a material configuring the insulating coating layer with respect to a Young's modulus of the carbon nanotube wire is equal to or greater than 0.0001 and equal to or less than 0.01.
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公开(公告)号：US20220013927A1
公开(公告)日：2022-01-13
申请号：US17485172
申请日：2021-09-24
Applicant: Furukawa Electric Co., Ltd.
Inventor： Satoshi YAMASHITA , Kenji HATAMOTO
Abstract: To provide a connected structure of a substrate and an electric wire with high connection reliability even when a carbon nanotube wire with an average diameter of 0.05 mm to 3.00 mm is used as the electric wire. The connected structure of the substrate and the carbon nanotube wire includes a substrate; a carbon nanotube wire made of one or more carbon nanotube aggregates each including a plurality of carbon nanotubes, the carbon nanotube wire having an average diameter of 0.05 mm to 3.00 mm; a conductive fixing member, part of which is provided between the substrate and the carbon nanotube wire; and a conductive member that electrically connects the carbon nanotube wire and the fixing member.
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公开(公告)号：US20200251246A1
公开(公告)日：2020-08-06
申请号：US16857909
申请日：2020-04-24
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Satoshi YAMAZAKI , Satoshi YAMASHITA , Kenji HATAMOTO , Hideki AIZAWA
Abstract: The present disclosure relates to a coated carbon nanotube electric wire capable of realizing excellent insulation property, heat dissipation ability, and coating stripping-off ability, and additionally realizing weight reduction while having excellent electroconductivity comparable to those of wires composed of copper, aluminum and the like. A coated carbon nanotube electric wire (1) includes a carbon nanotube wire (10) composed of a single or a plurality of carbon nanotube aggregates (11) each constituted of a plurality of carbon nanotubes (11a), and an insulating coating layer (21) coating the carbon nanotube wire, wherein an arithmetic mean roughness Ra1 on a peripheral surface of the NT wire (10) in a longitudinal direction is not larger than 3.5 μm, and an arithmetic mean roughness Ra2 on the peripheral surface of the CNT wire (10) in a circumferential direction is not larger than 3.3 μm.
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公开(公告)号：US20200251245A1
公开(公告)日：2020-08-06
申请号：US16857349
申请日：2020-04-24
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Hideki AIZAWA , Satoshi YAMAZAKI , Satoshi YAMASHITA , Kenji HATAMOTO
Abstract: The present disclosure relates to a coated carbon nanotube electric wire includes: a carbon nanotube wire including one or more carbon nanotube aggregates configured of a plurality of carbon nanotubes; and an insulating coating layer with which the carbon nanotube wire is coated, in which a proportion of a Young's modulus of a material configuring the insulating coating layer with respect to a Young's modulus of the carbon nanotube wire is equal to or greater than 0.001 and equal to or less than 0.01.
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10.发明申请公开(公告)号：US20200258652A1
公开(公告)日：2020-08-13
申请号：US16858351
申请日：2020-04-24
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Satoshi YAMAZAKI , Satoshi YAMASHITA , Kenji HATAMOTO , Hideki AIZAWA
IPC: H01B5/10 , C01B32/168 , H01B1/04 , H01B7/08 , H01B7/00
Abstract: The present disclosure relates to a carbon nanotube strand wire obtained by twisting a plurality of CNT wires of a plurality of bundled CNT aggregates configured of a plurality of CNTs together. A number of twists t1 of the CNT wires is equal to or greater than 0 and less than 2500 T/m, and a number of twists t2 of the CNT strand wire is greater than 0 and less than 2500 T/m.
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