公开(公告)号：US20190296219A1

公开(公告)日：2019-09-26

申请号：US16270533

申请日：2019-02-07

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUKI SAKAI ,  TAKEHIRO TANAKA ,  TAICHI NAKAMURA ,  RYOU KUWABARA

IPC: H01L41/20 ,  H01L41/06 ,  H01L41/12

Abstract: A magnetostrictive material includes a FeGaC alloy that is represented by Expression (1), F(100-x-y)GaxCy  (1) (in Expression (1), x and y are respectively a content rate (at. %) of Ga and a content rate (at. %) of C, and satisfy that y≤0.5x−7.75, y≤−x+20, and y≥0.5).

公开(公告)号：US20190309397A1

公开(公告)日：2019-10-10

申请号：US16275225

申请日：2019-02-13

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUKI SAKAI ,  TAICHI NAKAMURA ,  RYOU KUWABARA

IPC: C22C38/00 ,  H01L41/20

Abstract: A magnetostrictive material includes a FeGaBa alloy that is represented by Expression (1), Fe(100-x-y)GaxBay  (1) (in Expression (1), x and y are respectively a content rate (at. %) of Ga and a content rate (at. %) of Ba, and satisfy that y≤0.012x−0.168, y≤−0.05x+1.01, and y≥−0.04/7x+0.87/7).

公开(公告)号：US20180218920A1

公开(公告)日：2018-08-02

申请号：US15866018

申请日：2018-01-09

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： RYOU KUWABARA ,  NAOMI NISHIKI ,  HIDETOSHI KITAURA ,  ATSUSHI TANAKA ,  TAKESHI NISHIKAWA

IPC: H01L21/48 ,  B32B3/14 ,  B32B9/00 ,  B32B7/12 ,  B23K1/00 ,  F28F21/02 ,  H01L23/373

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.

公开(公告)号：US20250092579A1

公开(公告)日：2025-03-20

申请号：US18964623

申请日：2024-12-01

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUMA OIKAWA ,  RYOU KUWABARA

IPC: D01F9/17 ,  C01B32/184

Abstract: A conductive porous material includes a skeleton structure containing a fibrous carbonaceous material of biological origin, and graphene held by the skeleton structure. A volume resistivity of the conductive porous material measured under pressure of less than or equal to 10 MPa is 1.0×10−3 to 1.0×100 Ω·cm. A biomass degree of the conductive porous material, as measured by accelerator mass spectrometry (AMS) method, is in a range of 5 to 55 pMC. An electrode includes the conductive porous material.

公开(公告)号：US20190120568A1

公开(公告)日：2019-04-25

申请号：US16149359

申请日：2018-10-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： RYOU KUWABARA ,  NAOMI NISHIKI ,  MASATO MORI ,  TAKESHI NISHIKAWA

IPC: F28F3/06 ,  F28F21/02

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.

公开(公告)号：US20180179066A1

公开(公告)日：2018-06-28

申请号：US15730692

申请日：2017-10-11

Applicant: Panasonic Intellectual Property Management co.,Ltd

Inventor： NAOMI NISHIKI ,  HIDETOSHI KITAURA ,  ATSUSHI TANAKA ,  RYOU KUWABARA ,  TAKESHI NISHIKAWA

IPC: C01B32/21 ,  B22F1/02 ,  B22F1/00

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.

公开(公告)号：US20180158747A1

公开(公告)日：2018-06-07

申请号：US15725177

申请日：2017-10-04

Applicant: Panasonic Intellectual Property Management co, Ltd.

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.

公开(公告)号：US20250146136A1

公开(公告)日：2025-05-08

申请号：US19015789

申请日：2025-01-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKASHI TSURUTA ,  RYOU KUWABARA ,  NAOMI NISHIKI

IPC: C23C28/02 ,  F28F13/18 ,  H05K7/20

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.

公开(公告)号：US20220039286A1

公开(公告)日：2022-02-03

申请号：US17367279

申请日：2021-07-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： RYOU KUWABARA ,  MOTONORI SHIMAMURA ,  NAOMI NISHIKI ,  MASATO MORI

IPC: H05K7/20 ,  F28F21/02

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.