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)
Message
Why not paper as a cheap phototool?
2012-01-08 by Rich Osman