Quote:
Originally posted by snowwie
it has been my understanding (and that of many others) that the IHS consists of solid copper, but gets its silver color from a plating, most likely nickel, probably to resist corrosion or oxidation.
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That is my understanding as well.
However, I think that yellowish color is yet another material, probably plated on top of the nickel. Something to aid the "soldering" of whatever the bonding material is.