edsikes
Well-known member
for all the knowledge here i have a straightforward question to ask
for refiners who offer shield/ mask cleaning from sputtering or vapor deposition processes how do they seperate the gold from the copper shields without dissolving copper? curious because my company is looking into it and im a little baffled i was always under the impression that a chemical that will eat the gold from the copper shields, will also eat the copper shield?
for refiners who offer shield/ mask cleaning from sputtering or vapor deposition processes how do they seperate the gold from the copper shields without dissolving copper? curious because my company is looking into it and im a little baffled i was always under the impression that a chemical that will eat the gold from the copper shields, will also eat the copper shield?
