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To: Jules V who wrote (43109)	12/23/1997 1:50:00 AM
From: Paul Engel	Respond to of 186894

Jules - re: "has anyone tried gold? Just curious." Sure. In fact, I think gold metallization is (or was) used for gallium arsenide circuits. Bear in mind Gold is very costly - and kills minority carrier lifetimes if it ever gets into the bulk silicon. Further, gold doesn't adhere well to silicon dioxide and I don't know if it can be readily etched by plasma etching techniques. Not to mention, gold is till not cheap - not even at $290/oz. Paul