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US 4,069,370 AGranted
Electrical contact material, and terminal
AssigneeW. C. Heraeus GmbH
InventorsNils Harmsen, Franz Sperner
Life of this patent
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Abstract
The material is applied to a substrate, for example, terminal bronze, brass, or the like, and comprises, preferably, 50 to 55% gold, 24 to 28% palladium, 15 to 20% silver, 2.5 to 3% tin, 0.08 to 0.15% iridium, 0.08 to 0.15% ruthenium, 0.1 to 0.3% copper and 0.6 to 1% indium.
Claims2
Electrical terminal, particularly for plug or wiping terminals for use in electronics, comprising a carrier of electrical contact terminal material at least partially coated with a contact material consisting essentially of
- 20to 30% palladium,
- 15 to 25% silver,
- 2.5 to 5% tin,
- 0.05 to 0.5% iridium,
- 0.05 to 0.5% ruthenium,
- 0.05 to 0.5% copper,
- 0.1 to 2% indium, and remainder gold.
4 more elements
Dependencies are inferred from the claim text.