Homebrew PCBs

It can be done, they even sell a spray that makes the paper more
transparent (I think orange peel oil, according to the smell).

ST

On Sun, Jan 8, 2012 at 4:20 PM, Rich Osman <lists@...> wrote:
> Aside from obvious concerns like dimensional stability for really high
> resolution work, why not use a fresh print on the lightest weight paper
> your printer will feed?
>
> Sure, the paper will act as a UV attenuator but it's not going to block
> a lot of it.  It should let you get a sufficiently uniform exposure for
> most work, particularly if you dither the UV source position a bit to
> compensate for the slight density variations in the exposed media. Most
> resist is a high contrast media, so slight density variations probably
> won't matter.
>
> I expect dimensional stability won't be as big an issue if the tool is
> used soon after printer.
>
> --
> mailto:lists@...     http://www.n1oz.net       ARS: N1OZ
> Rich Osman;  POB 93167; Southlake, TX 76092 (Near DFW Airport)
>
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