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公开(公告)号：US20180218920A1
公开(公告)日：2018-08-02
申请号：US15866018
申请日：2018-01-09
Inventor： RYOU KUWABARA , NAOMI NISHIKI , HIDETOSHI KITAURA , ATSUSHI TANAKA , TAKESHI NISHIKAWA
CPC classification number: H01L21/4882 , B23K1/0008 , B32B3/14 , B32B7/12 , B32B9/007 , B32B2307/302 , B32B2457/14 , F28F21/02 , H01L23/373 , H01L23/3735
Abstract: A graphite heat sink that is light in weight, excellent in thermal conductivity and high in mechanical strength. A graphite heat sink includes two or more graphite joined plates and solder joining layers which are alternately stacked, in which each graphite joined plate includes plural pieces of graphite plates and a solder joining portion, surfaces of the plural pieces of graphite plates parallel to a thickness direction and the solder joining portion are joined to one another, and the solder joining layer and the solder joining portion are formed of the same solder material.
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公开(公告)号：US20170275515A1
公开(公告)日：2017-09-28
申请号：US15458947
申请日：2017-03-14
Inventor： ATSUSHI TANAKA , NAOMI NISHIKI , HIDETOSHI KITAURA , KIMIAKI NAKAYA
IPC: C09K5/14
CPC classification number: C09K5/14 , B32B5/142 , B32B5/147 , B32B2264/108 , B32B2305/02 , B32B2307/302 , C01B32/20 , C01B32/205 , C01P2006/32 , C01P2006/90
Abstract: A graphite material has a flexible part and can be utilized as a heat-conveying material in a narrow space. The graphite material, includes: at least one heat-conveying part; and a flexible part. A method for producing a graphite material, includes: (i) subjecting at least one film serving as a material to a heat treatment to obtain at least one carbonaceous film; (ii) providing a monolayer or multilayer structure including the at least one carbonaceous film; and (iii) applying heat and pressure to at least one part of the monolayer or multilayer structure in an inert atmosphere.
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公开(公告)号：US20190120568A1
公开(公告)日：2019-04-25
申请号：US16149359
申请日：2018-10-02
Inventor： RYOU KUWABARA , NAOMI NISHIKI , MASATO MORI , TAKESHI NISHIKAWA
Abstract: A graphite heat sink with light weight and high mechanical strength includes graphite fins and a metal press-fitted and fixed to a part of a surface of the graphite fin.
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公开(公告)号：US20170320740A1
公开(公告)日：2017-11-09
申请号：US15485763
申请日：2017-04-12
Inventor： HIDETOSHI KITAURA , NAOMI NISHIKI , ATSUSHI TANAKA , KIMIAKI NAKAYA
CPC classification number: C01B32/22 , C01B32/20 , C01P2002/70 , C01P2006/32 , C09K5/14
Abstract: Provided is a graphite plate, consisting essentially of: graphite; and pores, wherein said graphite plate has a porosity from 1% to 30%. Further provided is a method for producing a graphite plate, including: applying welding pressure to at least one glass-like carbon material in a state in which said at least one glass-like carbon material is maintained in an inert atmosphere under heating conditions, to produce a graphite plate having a porosity from 1% to 30%.
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公开(公告)号：US20180179066A1
公开(公告)日：2018-06-28
申请号：US15730692
申请日：2017-10-11
Inventor： NAOMI NISHIKI , HIDETOSHI KITAURA , ATSUSHI TANAKA , RYOU KUWABARA , TAKESHI NISHIKAWA
CPC classification number: C01B32/21 , B22F1/0055 , B22F1/025 , B22F2301/10 , B22F2301/155 , B22F2301/205 , B22F2301/255 , B22F2302/40 , C01P2004/20
Abstract: A carbon-metal composite includes a flake-like graphite powder, and a metal covering a circumferential end portion of the flake-like graphite powder to thereby improve the contact resistance of crystalline graphite, and to provide a composition containing a carbon material having improved contact resistance.
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Patent Agency Ranking
公开(公告)号：US20180158747A1
公开(公告)日：2018-06-07
申请号：US15725177
申请日：2017-10-04
Inventor： ATSUSHI TANAKA , NAOMI NISHIKI , HIDETOSHI KITAURA , RYOU KUWABARA , TAKESHI NISHIKAWA
IPC: H01L23/367 , H01L23/373 , H05K7/20 , B32B9/00 , B32B9/04
CPC classification number: H01L23/3672 , B32B9/007 , B32B9/045 , B32B2307/302 , H01L23/373 , H01L23/3735 , H01L23/3736 , H01L23/4006 , H01L23/467 , H05K7/20409 , H05K7/20418
Abstract: A graphite heat sink includes plate-shaped fin portions formed of a graphite material, a base portion contacting lower ends of the plate-shaped fin portions and a joining portion between the plate-shaped fin portions and the base portion, in which the plate-shaped fin portions have a thermal conductivity of 1200 W/mk or more and a thickness of 100 μm or more, and the joining portion is formed of metal.
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7.发明申请CARBON MATERIAL FOR POWER STORAGE DEVICE ELECTRODE, METHOD OF PRODUCING THE SAME AND POWER STORAGE DEVICE USING THE SAME 有权用于蓄电装置电极的碳材料及其制造方法和使用该蓄电装置电极的蓄电装置公开(公告)号：US20150180035A1
公开(公告)日：2015-06-25
申请号：US14569304
申请日：2014-12-12
Inventor： KIYOHIRO HINE , NAOMI NISHIKI , AKIRA KANO , MASAHISA FUJIMOTO
IPC: H01M4/587 , H01M10/054 , C01B31/04
CPC classification number: H01M4/587 , C01B32/20 , C01B32/205 , H01M10/054 , H01M2004/021
Abstract: A method for producing a vitreous carbon material which can serve as a carbon material for a power storage device In the method, a polymer material, having six-membered ring structures in its basic carbon skeleton and having a nitrogen atom, is heated at a temperature of 1000° C. to 2100° C. under an inert gas environment, and then, the polymer material is pulverized, to thereby control graphitization and crystal growth of the carbon material, thus producing a vitreous carbon material which serves as a carbon material for a power storage device.
Abstract translation: 一种能够用作蓄电装置的碳材料的玻璃碳材料的制造方法在该方法中，在其碳素骨架中具有六元环结构并具有氮原子的聚合物材料在温度 在惰性气体环境下为1000℃至2100℃，然后将聚合物材料粉碎，从而控制碳材料的石墨化和晶体生长，由此生产用作碳材料的玻璃碳材料 蓄电装置。
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公开(公告)号：US20250146136A1
公开(公告)日：2025-05-08
申请号：US19015789
申请日：2025-01-10
Inventor： TAKASHI TSURUTA , RYOU KUWABARA , NAOMI NISHIKI
Abstract: Provided are a graphite plate including at least one or more through-holes passing through the graphite plate in a direction orthogonal to a basal surface of the graphite plate, a coating layer covering an inner peripheral surface of the at least one through-hole and an entire circumference of the graphite plate, the coating layer including a first metal capable of forming a compound with carbon atoms constituting the graphite plate, a porous second metal covering an entire circumference of the coating layer including a region surrounded by the inner peripheral surface of the at least one through-hole, and a third metal covering an entire circumference of the porous second metal, the graphite plate and the porous second metal being bonded to each other with the coating layer interposed the graphite plate and the porous second metal, and the third metal being bonded to the porous second metal.
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公开(公告)号：US20220039286A1
公开(公告)日：2022-02-03
申请号：US17367279
申请日：2021-07-02
Inventor： RYOU KUWABARA , MOTONORI SHIMAMURA , NAOMI NISHIKI , MASATO MORI
Abstract: A heat sink includes a graphite plate, two base materials each of which is disposed adjacent to the graphite plate, and a fixing member, in which the graphite plate has a strip shape and includes a fin portion and a base portion provided at one end of the fin portion, the base material includes a hole into which the fixing member can be inserted, the fixing member is inserted into the holes of the two base materials so that the two base materials are disposed to be adjacent to both sides of the base portion in a thickness direction, the base portion is in close contact with the base material adjacent to each other on both sides of the base portion in the thickness direction, the adjacent base materials are crimped and fixed by the fixing member in a state of being in close contact with each other, and in a case where a surface roughness of the fin portion is defined as Ra1, a surface roughness of the base material is defined as Ra2, and a surface roughness of the base portion is defined as Ra3, a relationship of Ra1>Ra2≥Ra3 is satisfied.
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公开(公告)号：US20170015084A1
公开(公告)日：2017-01-19
申请号：US15206264
申请日：2016-07-09
Inventor： KAZUHIRO NISHIKAWA , NAOMI NISHIKI , HIDETOSHI KITAURA , ATSUSHI TANAKA , KIMIAKI NAKAYA
CPC classification number: B32B9/04 , B32B7/10 , B32B9/007 , B32B9/041 , B32B9/045 , B32B15/04 , B32B27/28 , B32B37/06 , B32B37/10 , B32B2255/205 , B32B2307/30 , B32B2307/302 , B32B2307/538 , B32B2307/54 , B32B2307/704 , B32B2307/732 , B32B2309/02 , B32B2309/12 , B32B2309/60 , B32B2313/00 , B32B2313/04 , B32B2457/00 , B32B2551/00
Abstract: A graphite-silicon composite, including: graphite; silicon; and an intermediate layer that is located between the graphite and the silicon, wherein the intermediate layer includes oxygen, carbon and silicon. Furthermore, provided is a method for producing a graphite-silicon composite, including: layering graphite and silicon; and heating the layered graphite and silicon while applying pressure to them, wherein, during heating the layered graphite and silicon while applying pressure to them, an oxygen concentration in the atmosphere is adjusted to 0.2 vol %, the applied pressure is adjusted to 24.5 MPa or higher, and the heating temperature is adjusted to 1260° C. or higher.
Abstract translation: 石墨 - 硅复合材料，包括：石墨; 硅; 以及位于石墨和硅之间的中间层，其中中间层包括氧，碳和硅。 此外，提供了一种生产石墨 - 硅复合材料的方法，包括：分层石墨和硅; 在对它们施加压力的同时对层状石墨和硅进行加热，其中，在对层叠的石墨和硅进行加压的同时向其施加压力时，将大气中的氧浓度调整为0.2体积％，将施加的压力调整为24.5MPa， 加热温度调节至1260℃以上。
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