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:
Oct. 08, 2024
Filed:
Feb. 14, 2023
Applicant:
Zhengzhou Research Institute of Mechanical Engineering Co., Ltd., Henan, CN;
Inventors:
Weimin Long, Henan, CN;
Sujuan Zhong, Henan, CN;
Yinyin Pei, Henan, CN;
Junlan Huang, Henan, CN;
Quanbin Lu, Henan, CN;
Yongtao Jiu, Henan, CN;
Xusheng Zhou, Henan, CN;
Mengjie Nie, Henan, CN;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/02 (2006.01); B23K 35/30 (2006.01); B23K 35/40 (2006.01); C22C 9/02 (2006.01);
U.S. Cl.
CPC ...
B23K 35/0227 (2013.01); B23K 35/302 (2013.01); B23K 35/404 (2013.01); C22C 9/02 (2013.01);
Abstract
A copper-tin brazing wire and a preparation method and use thereof are provided. A copper-tin brazing wire includes a plurality of copper wires each having a composite metal layer on a surface thereof; the copper-tin brazing wire includes, in parts by weight, 75-84 parts of Cu, 20-25 parts of Sn, and 0.4-0.5 parts of P; and the composite metal layer includes Cu, Sn, and P, in which a mass ratio of Cu, Sn, and P is (45-55):(46-56):(0.5-1.5).