Invention Grant
- Patent Title: TF-SAW resonator with improved quality factor, RF filter and method of manufacturing a TF-SAW resonator
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Application No.: US17047796Application Date: 2019-03-14
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Publication No.: US11588464B2Publication Date: 2023-02-21
- Inventor: Christian Huck , Matthias Knapp
- Applicant: RF360 EUROPE GMBH
- Applicant Address: DE Munich
- Assignee: RF360 EUROPE GMBH
- Current Assignee: RF360 EUROPE GMBH
- Current Assignee Address: DE Munich
- Agency: Patterson + Sheridan LLP
- Priority: DE102018108961.9 20180416
- International Application: PCT/EP2019/056439 WO 20190314
- International Announcement: WO2019/201520 WO 20191024
- Main IPC: H03H9/02
- IPC: H03H9/02 ; H03H3/08 ; H03H9/64 ; H03H9/145
Abstract:
A TF-SAW resonator with improved quality factor is provided. The resonator has its piezoelectric material in the form of a thin film and an electrode structure arranged on the piezoelectric layer. Pitch (P) and metallization ratio (n) are chosen to maximize the quality factor (Q).
Public/Granted literature
- US20210167748A1 TF-SAW RESONATOR WITH IMPROVED QUALITY FACTOR, RF FILTER AND METHOD OF MANUFACTURING A TF-SAW RESONATOR Public/Granted day:2021-06-03
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