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Subject: Re: [Homebrew_PCBs] Re: vacuum hold-down for exposure box

From: Simao Cardoso <simaocardoso@...>
Date: 2009-03-23

On Sun, 2009-03-22 at 22:50 -0400, DJ Delorie wrote:
>
> Simao Cardoso <simaocardoso@...> writes:
> > Hi, i can't really see a point in using vacuum in two rigid flat
> > surfaces.
>
> I've found that they're not quite "flat" enough.
>
>

Maybe is a problem in my English again, but i didn't understand... I
used flat word as a plane surface. Vacuum will always try bend your
glass/plastic by the shape of your pcb. Vacuum don't seem to help with
glass...


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