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:
Apr. 21, 2020
Filed:
Mar. 15, 2017
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Sung Han, Suwon-si, KR;
Tae Kyung Lee, Suwon-si, KR;
Sung Sun Kim, Suwon-si, KR;
Won Han, Suwon-si, KR;
Hwa Sun Lee, Suwon-si, KR;
Seung Joo Shin, Suwon-si, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/09 (2006.01); H03H 9/02 (2006.01); H03H 9/17 (2006.01); H03H 9/54 (2006.01);
U.S. Cl.
CPC ...
H03H 9/17 (2013.01); H03H 9/02118 (2013.01); H03H 9/02157 (2013.01); H03H 9/173 (2013.01); H03H 9/547 (2013.01);
Abstract
An acoustic wave resonator includes: a first piezoelectric portion of a piezoelectric layer, disposed on a cavity and having a first average thickness; and a second piezoelectric portion of the piezoelectric layer, disposed adjacent to an edge of the first piezoelectric portion and having a second average thickness that is different from the first average thickness.