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:
Jul. 11, 2023
Filed:
Aug. 19, 2019
Applicant:
Mitsubishi Aluminum Co., Ltd., Minato-ku, JP;
Inventors:
Assignee:
MA ALUMINUM CORPORATION, Minato-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/28 (2006.01); B23K 35/02 (2006.01); C22C 21/00 (2006.01); C22F 1/04 (2006.01); F28F 21/08 (2006.01); B23K 103/10 (2006.01);
U.S. Cl.
CPC ...
B23K 35/288 (2013.01); B23K 35/0238 (2013.01); C22C 21/00 (2013.01); C22F 1/04 (2013.01); F28F 21/084 (2013.01); F28F 21/089 (2013.01); B23K 2103/10 (2018.08); Y10T 428/12764 (2015.01);
Abstract
An aluminum alloy brazing sheet may include a sacrificial material having a function of a brazing material on at least one surface of a core material, wherein the sacrificial material has a composition containing: in a mass %, 2% to 5% of Si; 3% to 5% of Zn; and an Al balance with inevitable impurities the core material is made of an Al—Mn-based alloy, an in the core material before brazing, Al—Mn based secondary particles having an equivalent circle diameter of 100 to 400 nm are distributed with a number density of 0.3 to 5 particles/μm.