Capacitor for saw filter, saw filter and method of manufacturing thereof
US9654084B2 · kind B2 · utility
3Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 21, 2015 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Apr 19, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/6479
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a capacitor for a SAW filter, the SAW filter, and a method of manufacturing thereof, and more specifically, to a capacitor for a SAW filter including a first metal layer formed on a substrate; an insulation layer formed on the first metal layer; and a second metal layer formed on the insulation layer and overlapped with partially or totally of the first metal layer, in which the insulation layer is formed to be extended to the top of an IDT formed on the substrate, the SAW filter on which such a capacitor for a SAW filter is mounted, and a method of manufacturing thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.