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<p>[QUOTE=&quot;fatima, post: 1385217, member: 22143&quot;]On the earlier discussion on gold vs silver as industrial metals, I will point out that gold is used in electronics primarily as a plating for connectors.&nbsp;&nbsp; The reason for this is that it does not tarnish or corrode in air and there are no acceptable substitutes in the places where it&#039;s needed.&nbsp; Corrosion on a connector can cause high frequency low voltage circuits to fail because it increases resistance on the circuit.&nbsp;&nbsp; There is no acceptable substitute.&nbsp; &nbsp; Engineers have responding to the high cost of gold by designing out the need for connectors and/or using extremely small amounts of plating in critical places.&nbsp; Otherwise they use tin/lead, tin/silver where the environmental Nazi force it, or tin/something else alloys.&nbsp; For example, power circuits won&#039;t use any PMs at all.[/QUOTE]</p><p><br /></p>

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