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:
Apr. 12, 2022
Filed:
Nov. 06, 2018
Applicant:
Uacj Corporation, Tokyo, JP;
Inventor:
Yasunaga Itoh, Tokyo, JP;
Assignee:
UACJ CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); B23K 35/02 (2006.01); B23K 35/28 (2006.01); C22C 21/00 (2006.01); C22C 21/02 (2006.01); C22C 21/06 (2006.01); B23K 103/10 (2006.01);
U.S. Cl.
CPC ...
B23K 35/0233 (2013.01); B23K 35/0238 (2013.01); B23K 35/286 (2013.01); B32B 15/016 (2013.01); C22C 21/00 (2013.01); C22C 21/02 (2013.01); C22C 21/06 (2013.01); B23K 2103/10 (2018.08); Y10T 428/12764 (2015.01);
Abstract
A brazing sheet brazing suitable for brazing performed in an inert gas atmosphere or in a vacuum without using a flux has a three-layer composition. An aluminum alloy core material contains Mg: 1.3 mass % or less. An aluminum alloy intermediate material is layered on the core material and contains Mg: 0.40-6.0 mass %. An aluminum alloy filler material is layered on the intermediate material and contains Si: 6.0-13.0 mass %, Bi: 0.0040-0.070 mass %, and Mg: 0.050-0.10 mass %.