HP board "gold recovery" garbage
William Donzelli
wdonzelli at gmail.com
Wed Jan 23 20:28:46 CST 2019
> Tantalum caps are electrolytic type. The original reference speaks of multilayer capacitors, those are ceramic. Wikipedia says that indeed palladium (and silver) were used in early generations of those devices, to be replaced by nickel and copper later on due to cost pressures.
Duh...for some reason I interpreted the Ebay title to mean that the
caps of the ICs had the Palladium!
Anyway, yes MLCCs do contain Palladium, but very, very little anymore.
--
Will
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