EP 0145924 A3 19850807 - MATERIAL FOR LOW-CURRENT CONTACTS
Title (en)
MATERIAL FOR LOW-CURRENT CONTACTS
Publication
Application
Priority
DE 3345162 A 19831214
Abstract (en)
[origin: US4579787A] Low voltage current contacts should have good tarnish resistance and resistance to wear at the smallest possible gold content. Such materials consist of 330 to 50 wt. % palladium, 18 to 48 wt. % silver, 19 to 33 wt. % gold, 0.01 to 1 wt. % iridium, osmium, or a mixture of iridium and osmium and either 0.5 to 5 wt. % lead or a mixture of 0.5 to 3 wt. % lead and 0.1 to 3 wt. % tin.
IPC 1-7
IPC 8 full level
H01H 1/04 (2006.01); C22C 5/00 (2006.01); H01B 1/02 (2006.01); H01H 1/02 (2006.01); H01H 1/023 (2006.01); H01R 13/03 (2006.01)
CPC (source: EP US)
H01H 1/023 (2013.01 - EP US); H01R 13/03 (2013.01 - EP US); Y10S 428/929 (2013.01 - EP US); Y10T 428/12875 (2015.01 - EP US)
Citation (search report)
- [A] EP 0027520 A1 19810429 - HERAEUS GMBH W C [DE]
- [A] US 2241262 A 19410506 - WILLIAM KEITEL CHRISTIAN
- [A] DE 1089491 B 19600922 - DEGUSSA
- [A] DE 1078774 B 19600331 - WESTERN ELECTRIC CO
- [A] DE 2540956 A1 19770407 - HERAEUS GMBH W C
Designated contracting state (EPC)
BE DE FR GB IT NL SE
DOCDB simple family (publication)
DE 3345162 C1 19841115; CA 1218881 A 19870310; DE 3463425 D1 19870604; EP 0145924 A2 19850626; EP 0145924 A3 19850807; EP 0145924 B1 19870429; JP S60146414 A 19850802; US 4579787 A 19860401
DOCDB simple family (application)
DE 3345162 A 19831214; CA 469921 A 19841212; DE 3463425 T 19841106; EP 84113310 A 19841106; JP 26309884 A 19841214; US 67897584 A 19841206