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:
Sep. 01, 2026
Filed:
Dec. 20, 2022
Heyuan Aifo Light Communication Technology Co., Ltd., Guangdong, CN;
Guoqiang Li, Guangdong, CN;
HEYUAN AIFO LIGHT COMMUNICATION TECHNOLOGY CO., LTD., Guangdong, CN;
Abstract
A bulk acoustic wave resonator capable of improving a power capacity includes a substrate, a first diamond film layer, a piezoelectric layer and a second diamond film layer; a first cavity is formed in the first diamond film layer; a bottom electrode is arranged on the first diamond film layer and located in the piezoelectric layer; a second cavity is formed in the second diamond film layer, and a top electrode is arranged in the second cavity on the piezoelectric layer; a first through hole is formed between the top electrode and the bottom electrode, and the first through hole penetrates through the top electrode and the bottom electrode, and communicates with the first cavity and the second cavity; and a second through hole is further formed in the second diamond film layer, and the second through hole communicates with the second cavity and the outside.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile