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. 29, 2026
Filed:
Aug. 28, 2023
Aac Technologies (Nanjing) Co., Ltd., Nanjing, CN;
Zhang Zhang, Nanjing, CN;
Shuai Yang, Nanjing, CN;
Ke Wu, Nanjing, CN;
Zhiqiang Zhuang, Nanjing, CN;
Lirong Zhang, Nanjing, CN;
Chao Wang, Nanjing, CN;
AAC Technologies (Nanjing) Co., Ltd., Nanjing, CN;
Abstract
The present invention provides a FBAR, which includes a substrate, an acoustic reflector, a first electrode, a piezoelectric layer, a second electrode, and an etch-stop layer. The acoustic reflector is arranged on the substrate, the first electrode is arranged on a side of the substrate and covers the acoustic reflector, and at least a part of the piezoelectric layer is arranged on a side of the first electrode away from the substrate. The second electrode is arranged on a side of the piezoelectric layer away from the first electrode, and the etch-stop layer is arranged on a side of the second electrode away from the piezoelectric layer. The FBAR further includes at least two stacked components. At least an edge of each of the at least two stacked components is misaligned. The quality factor of the FBAR in the present invention is relatively high.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile