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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.:

US 10259073 B1

PDFFull Text
Date of Patent:
Apr. 16, 2019

Filed:

Mar. 27, 2015

Method for producing metal laminate material

Applicant:

Toyo Kohan Co., Ltd., Chiyoda-ku, Tokyo, JP;

Inventors:

Kouji Nanbu, Kudamatsu, JP;

Teppei Kurokawa, Kudamatsu, JP;

Takashi Koshiro, Kudamatsu, JP;

Hironao Okayama, Kudamatsu, JP;

Assignee:

Toyo Kohan Co., Ltd., Tokyo, JP;

Attorney:

McCarter & English, LLP

Primary Examiner:

Kiley S Stoner

Int. Cl.
CPC ...
B23K 20/00 (2006.01); B23K 20/227 (2006.01); B32B 15/01 (2006.01); C22C 21/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/44 (2006.01); B23K 20/02 (2006.01); B23K 20/04 (2006.01); B23K 20/24 (2006.01); B32B 15/04 (2006.01); B32B 15/18 (2006.01); B32B 15/20 (2006.01); C23F 4/00 (2006.01); H01J 37/34 (2006.01); B23K 103/04 (2006.01); B23K 103/10 (2006.01); B23K 103/20 (2006.01); B23K 103/16 (2006.01);
U.S. Cl.
CPC ...
B23K 20/2275 (2013.01); B23K 20/02 (2013.01); B23K 20/04 (2013.01); B23K 20/24 (2013.01); B32B 15/01 (2013.01); B32B 15/012 (2013.01); B32B 15/043 (2013.01); B32B 15/18 (2013.01); B32B 15/20 (2013.01); C22C 21/00 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/44 (2013.01); C23F 4/00 (2013.01); H01J 37/34 (2013.01); B23K 2103/05 (2018.08); B23K 2103/10 (2018.08); B23K 2103/166 (2018.08); B23K 2103/20 (2018.08);
Abstract

An object of the present invention is to provide a production method for efficiently producing a metal laminate having high bonding strength. A method for producing a metal laminate material comprising the steps of: sputter etching faces to be bonded of a stainless steel and an aluminum such that an oxide layer remains on each face; temporarily bonding the faces to be bonded of the stainless steel and the aluminum by roll pressure bonding; and thermally treating the temporarily bonded laminate material at a temperature lower than the recrystallization temperature of the stainless steel to thermally diffuse at least a metal element comprised in the stainless steel into the aluminum.

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