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:
Aug. 25, 2020
Filed:
Jul. 19, 2018
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Tae Kyung Lee, Suwon-si, KR;
Ran Hee Shin, Suwon-si, KR;
Je Hong Kyoung, Suwon-si, KR;
Hwa Sun Lee, Suwon-si, KR;
Jin Suk Son, Suwon-si, KR;
Sung Sun Kim, Suwon-si, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01); H03H 9/54 (2006.01); H03H 9/13 (2006.01); H03H 9/17 (2006.01);
U.S. Cl.
CPC ...
H03H 9/131 (2013.01); H03H 9/02015 (2013.01); H03H 9/173 (2013.01); H03H 9/175 (2013.01);
Abstract
A bulk acoustic wave resonator includes: a substrate; a lower electrode disposed on the substrate; a piezoelectric layer at least partially disposed on the lower electrode; and an upper electrode disposed on the piezoelectric layer, wherein either one or both of the lower electrode and the upper electrode includes a layer of aluminum alloy including scandium (Sc).