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. 20, 2024
Filed:
Mar. 05, 2021
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Ta-Cheng Hsu, Hsinchu, TW;
Wei-Shou Chen, Hsinchu, TW;
Chung-Jen Chung, Hsinchu, TW;
Chia-Min Chang, Hsinchu, TW;
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01); H03H 3/02 (2006.01); H03H 9/05 (2006.01);
U.S. Cl.
CPC ...
H03H 9/02015 (2013.01); H03H 3/02 (2013.01); H03H 9/0514 (2013.01);
Abstract
An acoustic wave device, includes piezoelectric layer having an upper piezoelectric surface and a lower piezoelectric surface; an upper electrode formed on the upper piezoelectric surface; a lower electrode; a support layer including a non-monocrystalline insulating material; and a lower cover, wherein the lower electrode and the support layer formed between the lower cover and the lower piezoelectric surface.