Patent · US Expired

Electrical contact

US4149883A · kind A · utility

3Cited by

3References

5Claims

0Family size

Assignee

W. C. Heraeus GmbH · DE

Inventors

Nils Harmsen · Bruchköbel, DE
Franz Sperner

Key dates

Filing date	Jul 27, 1977
Grant date	Apr 17, 1979
Priority date	—
Expiry date	Jul 27, 1997

Classification

Technology area (CPC H)Electricity
CPC primaryH01H1/023
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The present invention provides electrical contacts having at least one contact surface consisting essentially of a silver palladium alloy containing 10-50 percent by weight palladium, 0.1-8 percent copper, 0.1-6 percent indium, 0.1-6 percent tin, and the balance essentially silver.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.