Brad Velander wrote:
I think Riston has changed over to a much thinner resist. I checked their web site and itGeee, I haven't heard of this issue for a good number of years (approx 10years?). I thought that dry film soldermask was virtually removed from the market place because of this particular issue with low geometry SMT components. I had heard of this many years ago and had figured one of two things happened, they made thinner dry film masks or they just stopped using it for everyday PCB designs. At the time the solution was to specify the use of LPI mask or specify that dry film soldermask was not allowed.
Can anybody bring any other details to the discussion? I thought it was a non-issue these days, does anybody else see this from their fab shops? Does anybody know if dry mask is still commonly available or is this particular fabricator just hanging onto old technology/techniques?
only shows films in the 2 - 4 mil thickness. My memory is that their films were much
thicker some years ago.
Jon
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