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. 26, 2022
Filed:
Jul. 17, 2018
Applicants:
Ordos Yuansheng Optoelectronics Co., Ltd., Inner Mongolia, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Wei Li, Beijing, CN;
Pan Guo, Beijing, CN;
Yanqing Chen, Beijing, CN;
Ning Wang, Beijing, CN;
Weida Qin, Beijing, CN;
Haoyi Xin, Beijing, CN;
Yanfeng Li, Beijing, CN;
Chao Li, Beijing, CN;
Yongchao Wang, Beijing, CN;
Assignees:
ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., Inner Mongolia, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 14/08 (2006.01); C01G 45/12 (2006.01); C23C 14/34 (2006.01); C23C 14/35 (2006.01); H05K 1/02 (2006.01);
U.S. Cl.
CPC ...
C01G 45/1264 (2013.01); C23C 14/08 (2013.01); C23C 14/3464 (2013.01); C23C 14/35 (2013.01); H05K 1/0271 (2013.01); C01P 2002/72 (2013.01); C01P 2002/88 (2013.01); C01P 2006/32 (2013.01); H05K 2201/068 (2013.01);
Abstract
A negative thermal expansion material and a preparation method thereof, and a negative thermal expansion film and a preparation method thereof are provided. The negative thermal expansion material includes EuCuMnO, wherein 0≤δ≤2.