Global Patent Index - EP 0247541 B1

EP 0247541 B1 19901024 - CONTACT ELEMENT FOR ELECTRICAL SWITCH CONTACTS

Title (en)

CONTACT ELEMENT FOR ELECTRICAL SWITCH CONTACTS

Publication

EP 0247541 B1 19901024 (DE)

Application

EP 87107505 A 19870522

Priority

DE 3617627 A 19860526

Abstract (en)

[origin: EP0247541A1] 1. Contact element for electrical switch contacts, preferably a contact stud for electromagnetic relays, a two-layer contact deposit being galvanically applied on a carrier consisting of non-precious metal, and at least one of the layers containing palladium, characterized in that the inner layer has a thickness of 3 to 5 mu m and is formed from an alloy of palladium and an additional component, the additional component comprising a portion of 10 to 50% by weight and at least one element from the group nickel, cobalt and copper, and in that the outer layer has a thickness of 0.1 to 1 mu m and is formed from an alloy of palladium-silver or palladium-gold with a silver or gold portion of 10 to 40% by weight.

IPC 1-7

H01H 1/02

IPC 8 full level

H01H 1/02 (2006.01); H01H 1/023 (2006.01)

CPC (source: EP)

H01H 1/023 (2013.01)

Designated contracting state (EPC)

CH DE FR GB IT LI SE

DOCDB simple family (publication)

EP 0247541 A1 19871202; EP 0247541 B1 19901024; DE 3765696 D1 19901129

DOCDB simple family (application)

EP 87107505 A 19870522; DE 3765696 T 19870522