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. 27, 2019
Filed:
Dec. 20, 2016
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Won Han, Suwon-si, KR;
Tae Hun Lee, Suwon-si, KR;
Dae Hun Jeong, Suwon-si, KR;
Moon Chul Lee, Suwon-si, KR;
Sang Uk Son, Suwon-si, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01); H03H 9/17 (2006.01); H03H 9/54 (2006.01);
U.S. Cl.
CPC ...
H03H 9/02007 (2013.01); H03H 9/02086 (2013.01); H03H 9/173 (2013.01); H03H 9/174 (2013.01); H03H 9/54 (2013.01);
Abstract
An acoustic wave filter device includes a lower electrode disposed between a substrate and a piezoelectric layer, an upper electrode disposed on the piezoelectric layer, and an insulating layer disposed on the upper electrode. The insulating layer exposes portions of the upper electrode.