US 12,290,882 B2
Copper-phosphorus-zinc-tin brazing sheet and preparation method and use thereof
Quanbin Lu, Henan (CN); Yinyin Pei, Henan (CN); Yafang Cheng, Henan (CN); Junlan Huang, Henan (CN); Xian Dong, Henan (CN); Yuanxun Shen, Henan (CN); and Jia Ma, Henan (CN)
Assigned to ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD., Henan (CN)
Filed by ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD., Henan (CN)
Filed on Feb. 14, 2023, as Appl. No. 18/169,182.
Claims priority of application No. 202210592502.2 (CN), filed on May 27, 2022.
Prior Publication US 2024/0017359 A1, Jan. 18, 2024
Int. Cl. B23K 35/00 (2006.01); B23K 35/02 (2006.01); B23K 35/30 (2006.01); C22C 9/00 (2006.01); C22C 13/00 (2006.01)
CPC B23K 35/0238 (2013.01) [B23K 35/302 (2013.01); C22C 9/00 (2013.01); C22C 13/00 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A copper-phosphorus-zinc-tin brazing sheet, comprising a copper core layer, CuP alloy layers respectively arranged on two sides of the copper core layer, and at least two SnZn alloy layers respectively arranged on other sides of the two CuP alloy layers away from the copper core layer.