EP 0247541 B1 19901024 - CONTACT ELEMENT FOR ELECTRICAL SWITCH CONTACTS
Title (en)
CONTACT ELEMENT FOR ELECTRICAL SWITCH CONTACTS
Publication
Application
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
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