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Subject: How to etch a LARGE PCB....???
Posted by: David Roseman
E-mail: dmr220(at)psu(dot)edu(no spam)
I am to get a PCB (.015 double sided) and etch off 2 parts, F/B 3/4
around the edges, and 2" off the middle of one side...
Seeing that this is a 12x18" PCB, how the heck am I going to do the
middle??? What can I use to block the etchant? 5 coats of perm. marker?
tape of any kind?
and seeing that this is a THIN pcb, what is the best way to etch the
middle? bend and stick in etchant?
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