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Mon, 25 May 1998 09:08:50 -0500 |
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can anyone help me please, i have some questions concerning polyimide pcbs :-
1/ what type of inner layer oxidation is recommended / suitable for polyimide e.g. black, brown, red, reduced etc. ?
2/ what type of hole desmear is recommended / suitable for polyimide ?
3/ we have produced some trial pcbs and are getting slight hole wall pullaway - any ideas as to what might be causing this ?
best regards, deron pirie.
Deron Pirie
Irlandus Circuits Ltd.
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