The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 2024
Filed:
Dec. 03, 2018
Dowa Holdings Co., Ltd., Tokyo, JP;
The Goodsystem Corporation, Gyeonggi-do, KR;
Tomotsugu Aoyama, Tokyo, JP;
Hiroto Narieda, Tokyo, JP;
Ilho Kim, Gyeonggi-do, KR;
Meoung whan Cho, Gyeonggi-do, KR;
DOWA HOLDINGS CO., LTD., Tokyo, JP;
THE GOODSYSTEM CORPORATION, Gyeonggi-do, KR;
Abstract
There are provided a clad material and a method for producing the same, the clad material being capable of preventing cracks from being formed and preventing the separation of layers thereof from being caused, even if it is punched by press-working (even if a high shearing force is applied thereto by thermal shock. After each of Mo—Cu layers, which has a metal filmof a metal selected from the group consisting of Co, Ti, Pd, Pt and Ni on at least one side thereof is arranged on a corresponding one of both sides of a Cu-graphite layer, which is obtained by sintering a graphite powder having a Cu film on the surface thereof, so as to allow the metal filmto contact the Cu-graphite layer, the layers are heated while a pressure is applied between the Cu-graphite layerand the Mo—Cu layers