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A-Bomb

Registered
Joined
Dec 24, 2000
Aluminum is a poor choice for small hot dies (and the addition of a thin copper “foil” to an aluminum sink is a pure marketing gimmick, this only adds yet another two series resistances - the copper and the copper/aluminum interface - to the heat path).

A 1/4" copper cold plate has 25% LESS spreading resistance than a 1/8" silver plate! (And a 3/8" Cu will still beat a 1/4" Ag!!)

The Cusil values are very good, but the price may preclude all but absolute fanatics.

The commonly provided 1/4" copper is probably the most cost effective cold plate, though I'd go for 3/8" just to beat out silver at 1/4".

///So this clears up a number of previouse posts. The question I ask now is where do I get a 3/8 inch peice of copper... Let me know - mine is less than 1/8in