Tearable membrane switch with resinous bounded silver-palladium alloy contacts
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机译:带有树脂约束的银钯合金触点的可撕开薄膜开关
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摘要
A membrane switch having a pair of flexible printed boards and a pair of contacts respectively disposed on said printed boards. The contacts are formed of powdered alloy of silver and palladium bounded by resinous material, and a conductive layer of silver powder is disposed between the flexible printed board and the contact. Preferably, the powdered alloy contains 50-97 weight percent silver and palladium in the remainder of weight percent.
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