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. 08, 2023
Filed:
Jul. 05, 2019
Applicant:
Weifang Goertek Microelectronics Co., Ltd., Shandong, CN;
Inventor:
Yujing Lin, Shandong, CN;
Assignee:
Weifang Goertek Microelectronics Co., Ltd., Shandong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); H04R 1/08 (2006.01);
U.S. Cl.
CPC ...
H04R 1/023 (2013.01); H04R 1/086 (2013.01); H04R 2207/021 (2013.01);
Abstract
Disclosed is a micro-filter comprising a substrate with a back cavity and a film layer provided on the substrate and suspended above the back cavity; the film layer has through holes distributed thereon, and is made of an amorphous metal film. Also disclosed is an acoustic device comprising the micro-filter.