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:
Mar. 07, 2023
Filed:
May. 22, 2020
Skyworks Global Pte. Ltd., Singapore, SG;
Yiliu Wang, Irvine, CA (US);
Yasufumi Kaneda, Yokohama, JP;
Xianyi Li, Irvine, CA (US);
Kwang Jae Shin, Yongin, KR;
Stephane Richard Marie Wloczysiak, Irvine, CA (US);
Jiansong Liu, Irvine, CA (US);
Nan Wu, Irvine, CA (US);
SKYWORKS GLOBAL PTE. LTD., Singapore, SG;
Abstract
A ladder filter comprises a plurality of series arm bulk acoustic wave resonators electrically connected in series between an input port and an output port of the ladder filter and a plurality of shunt bulk acoustic wave resonators electrically connected in parallel between adjacent ones of the plurality of series arm bulk acoustic wave resonators and ground, at least one of the plurality of shunt bulk acoustic wave resonators including raised frame regions having a first width, at least one of the plurality of series arm bulk acoustic wave resonators having one of raised frame regions having a second width less than the first width or lacking raised frame regions.