Method of preparing radio frequency filter
US12218651B2 · kind B2 · utility
0Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2020 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Oct 20, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/58
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a method of preparing a radio frequency filter, including: a substrate; a supporting electrode protruded on a front surface of the substrate; and a thin film structure formed on the substrate and spaced with the substrate by the supporting electrode. An end surface of a top end of the supporting electrode is in sealing contact with a front surface of the thin film structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.