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In conventional SEM sputter coating a gold (gold-palladium, or platinum) target is bombarded with heavy gas atoms (usually argon but air is a fair substitute).
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Sep 2, 2009 . The machine creates a voltage across the chamber with the gold foil as the cathode (negative). The voltage is increased until it gets to argon's.
Aug 6, 2014 . The biggest concern about adding a welding machine to a studio is . An electric energy pulse of argon gas produces a rapid-fire zap that joins the metal. joining dissimilar metals, such as titanium to karat gold, karat gold to.
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