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:
Mar. 05, 2024
Filed:
Jun. 24, 2021
Applicants:
Sanvac (Beijing) Magnetics Co., Ltd., Beijing, CN;
Beijing Zhong KE San Huan Hi-tech Co., Ltd., Beijing, CN;
Inventors:
Assignees:
SANVAC (BEIJING) MAGNETICS CO., LTD., Beijing, CN;
BEIJING ZHONG KE SAN HUAN HI-TECH CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); C23C 14/02 (2006.01); C23C 14/16 (2006.01); C23C 14/34 (2006.01); H01F 1/057 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
C23C 14/165 (2013.01); B32B 15/01 (2013.01); C23C 14/022 (2013.01); C23C 14/3464 (2013.01); H01F 1/057 (2013.01); H01F 41/0253 (2013.01); B32B 2307/208 (2013.01);
Abstract
A composite coating layer for coating a NdFeB rare earth magnet includes a first coating layer and a second coating layer formed over a surface of the first coating layer. The first coating layer includes a Nd coating layer, a Pr coating layer, or an alloy coating layer including two or more of Nd, Pr, and Cu. The second coating layer includes a Tb coating layer.