Ablative RF ceramic block filters
US6462629B1 · kind B1 · utility
13Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 1999 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Jun 15, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49165
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of forming metallization patterns on a block of dielectric material wherein the entire surface area of the dielectric block is encased with a conductive material and unwanted conductive metal is ablatively etched from a designated surface area of the dielectric block to form desired metallized circuit patterns.The invention also comprises a filter and a duplexer formed by the method of the present invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.