Edge plated transmission line and switch integrally formed therewith
US6809617B2 · kind B2 · utility
0Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2002 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | Dec 17, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/098
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Coplanar waveguides have a center signal line and a pair of ground lines on either side formed of a sputtered material such as gold (Au). Such waveguides are subject to what is known as the edge effect at high frequency operation causing currents to concentrate and flow along adjacent edges of the lines. Providing a thicker plated layer only on adjacent edges of the lines provide substantial performance improvements over sputtered lines alone while saving significant amount of Au, thus reducing costs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.