Tearable membrane switch with resinous bounded silver-palladium alloy contacts
US5973283A · kind A · utility
12Cited by
9References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 27, 1998 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | May 27, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2231/026
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A membrane switch having a pair of flexible printed boards and a pair of contacts respectively disposed on said printed boards. The contacts are formed of powdered alloy of silver and palladium bounded by resinous material, and a conductive layer of silver powder is disposed between the flexible printed board and the contact. Preferably, the powdered alloy contains 50-97 weight percent silver and palladium in the remainder of weight percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.