Title:
ACOUSTIC WAVE RESONATOR HAVING TEMPERATURE COMPENSATION LAYER, AND FILTER AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/121958
Kind Code:
A1
Abstract:
Provided by the present invention are an acoustic wave resonator having a temperature compensation layer, and a filter and an electronic device; a parameter such as the electrode piezoelectric ratio is introduced and the manner of calculation is given; the layers of the resonator are arranged such that when the value of the electrode piezoelectric ratio meets certain conditions, the resonator can have better performance.
Inventors:
PANG WEI (CN)
HAO LONG (CN)
XU YANG (CN)
LI CONGCONG (CN)
HAO LONG (CN)
XU YANG (CN)
LI CONGCONG (CN)
Application Number:
PCT/CN2021/136534
Publication Date:
June 16, 2022
Filing Date:
December 08, 2021
Export Citation:
Assignee:
ROFS MICROSYSTEM TIANJIN CO LTD (CN)
International Classes:
H03H9/02
Foreign References:
| CN112054777A | 2020-12-08 | |||
| CN109039299A | 2018-12-18 | |||
| CN104242862A | 2014-12-24 | |||
| CN109802646A | 2019-05-24 | |||
| CN107493086A | 2017-12-19 | |||
| US20180069528A1 | 2018-03-08 |
Attorney, Agent or Firm:
CHINA SMART INTELLECTUAL PROPERTY LTD. (CN)
Download PDF: