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pcbs

M

Michael C

Jan 1, 1970
0
Whats the best method for getting overlays for pcbs dark enough?
Thanks in advance Mike
 
D

David L. Jones

Jan 1, 1970
0
Whats the best method for getting overlays for pcbs dark enough?
Thanks in advance Mike

With laser printed postive transparancies it really depends on the
type of film you use. Some cheap overhead transparancies are crap,
others work like magic. There are expensive ones designed for PCB work
available, but I have not tried these.
I often use a black permanent marker to touch up tracks that look a
bit suspect.
Another key is not over exposing either, it's better to slightly under
expose in this case.

Regards
Dave :)
 
M

Michael C

Jan 1, 1970
0
Well just for the record, I was thinking of photo etch.
 
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