Durable plating for electrical contact terminals
作者： I-Yuan Wei , John Robert C , O Whitaker Corp. Miller
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摘要: Electrical contact terminals having two layer plated coating thereon is disclosed. The consists of a palladium macrostress in the range 30,000 to 140,000 psi and gold, gold being at lest 99.9% pure Knoop hardness from 60 90. A comprised medium stress substantially unexpectedly inmproves durability as compared similar coatings using low or high palladium.
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