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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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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：US10718658B2
公开(公告)日：2020-07-21
申请号：US15420974
申请日：2017-01-31
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Masateru Tadakuma
Abstract: An optical fiber sensor includes: a transmitting unit configured to output two lights into an optical fiber, wavelengths of the two lights being different from each other at a specific time, and at least one of the wavelengths of the two lights varying with time; and a measuring unit configured to receive back-scattered light output from the optical fiber and detect a temporal variation of an optical phase at an arbitrary interval in a longitudinal direction of the optical fiber by measuring measure an interference state of the two lights.
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公开(公告)号：US10718572B2
公开(公告)日：2020-07-21
申请号：US16779146
申请日：2020-01-31
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Yosuke Watanabe , Tatsuro Miura , Toshiaki Nakamura , Kenya Kawabata , Yoshikatsu Inagaki
Abstract: The present disclosure is to provide a heat sink capable of improving cooling efficiency of a heat radiation fin and exhibiting excellent cooling performance with respect to a cooling target regardless of an installation posture of the heat sink, and capable of being installed even in a narrow space.The heat sink includes: a heat transport member having a heat receiving portion thermally connected to a heat-generating element and including a first wick structure; a tube body connected to a heat insulating portion or a heat radiating portion of the heat transport member and including a second wick structure; and a heat radiation fin group which is thermally connected to the tube body and in which a plurality of heat radiation fins are arranged, in which, the heat transport member has an integral internal space that communicates from the heat receiving portion to a connection portion with the tube body and is sealed with a working fluid, the internal space of the heat transport member communicating with an internal space of the tube body, and the first wick structure includes a branch portion branched in a thickness direction of the heat transport member and multi-stage stem parts extending from the branch portion in a predetermined direction.
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Patent Agency Ranking
公开(公告)号：US20200224008A1
公开(公告)日：2020-07-16
申请号：US16833071
申请日：2020-03-27
Applicant: Furukawa Electric Co., Ltd.
Inventor： Jaekyung KIM , Kenichi SUYAMA , Yasuo NAKAJIMA , Eiji KOZAWA
IPC: C08L1/02 , C08L101/02
Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition. The thermoplastic resin composition containing thermoplastic resins and cellulose, wherein at least one of the thermoplastic resins is a resin having in a polymer molecule at least one group selected from a group containing a partial structure of an acid anhydride and a group containing an acylated cellulose structure.
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187.发明申请公开(公告)号：US20200211734A1
公开(公告)日：2020-07-02
申请号：US16816772
申请日：2020-03-12
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Akira TACHIBANA , Daisuke MUTO , Hirofumi OSHIMA
Abstract: Provided are an insulated wire material including: a conductor including a single core conductor or a plurality of divided conductors placed in parallel to each other or helically placed; a peripheral insulating layer with which a periphery of the conductor is coated; and a welding member provided at at least one end portion of the conductor and joined, via a welded portion welded to the single core conductor or divided conductors, to at least a peripheral surface of the welded portion, a manufacturing method thereof, a coil including the insulated wire material, and electrical/electronic equipment including the coil.
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188.发明授权公开(公告)号：US10701811B2
公开(公告)日：2020-06-30
申请号：US16586062
申请日：2019-09-27
Inventor： Takeo Uno , Yuko Okuno , Takahiro Tsuruta , Yoshimasa Nishi , Sunao Fukutake
IPC: H05K1/02 , H05K3/00 , H05K3/42 , H05K3/46 , H05K1/03 , C25D5/16 , C25D1/04 , C25D7/06 , B32B15/08
Abstract: A surface-treated copper foil of the present disclosure includes a copper foil substrate, at least one surface of which has a surface treatment coat including at least a roughening-treated surface on which roughening particles are formed. Observation of a cross-section of the surface-treated copper foil with a scanning electron microscope shows that on a surface of the surface treatment coat, a standard deviation of the particle height of the roughening particles is 0.16 μm or more and 0.30 μm or less, and an average value of the ratio of the particle height to the particle width (particle height/particle width) of the roughening particles is 2.30 or more and 4.00 or less.
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公开(公告)号：US20200173730A1
公开(公告)日：2020-06-04
申请号：US16779146
申请日：2020-01-31
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Yosuke WATANABE , Tatsuro MIURA , Toshiaki NAKAMURA , Kenya KAWABATA , Yoshikatsu INAGAKI
Abstract: The present disclosure is to provide a heat sink capable of improving cooling efficiency of a heat radiation fin and exhibiting excellent cooling performance with respect to a cooling target regardless of an installation posture of the heat sink, and capable of being installed even in a narrow space.The heat sink includes: a heat transport member having a heat receiving portion thermally connected to a heat-generating element and including a first wick structure; a tube body connected to a heat insulating portion or a heat radiating portion of the heat transport member and including a second wick structure; and a heat radiation fin group which is thermally connected to the tube body and in which a plurality of heat radiation fins are arranged, in which, the heat transport member has an integral internal space that communicates from the heat receiving portion to a connection portion with the tube body and is sealed with a working fluid, the internal space of the heat transport member communicating with an internal space of the tube body, and the first wick structure includes a branch portion branched in a thickness direction of the heat transport member and multi-stage stem parts extending from the branch portion in a predetermined direction.
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公开(公告)号：US20200158447A1
公开(公告)日：2020-05-21
申请号：US16752481
申请日：2020-01-24
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Tomomi KAIBUCHI , Tomoaki TORATANI
Abstract: The present disclosure relates to a wick structure accommodated in a container of a heat pipe having plural foils and a structure holding portion for fixing the foils. The respective foils are held by the structure holding portion, whereby the foils are positions and arrange in parallel. The foil is connected to the other foils including the other adjacent foils via the structure holding portion.
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