In "Re: pcb-specific laminator/exposure/etc printer...", on 2012-07-01, tda7000 wrote: > Much easier to do this, I would think: > > http://www.youtube.com/watch?v=fi4P-Bwc6g8 > > http://www.das-labor.org/wiki/LaserExposer This looks difficult to do, by most standards, since there is customised hardware and two microcontrollers. There would be significant problems calibrating it, correcting for the out-of-focus laser beam and the non-linear sweep across the board. Also, I think it would be difficult to align exposures for double-sided compared to the alternative of aligning two phototools (or perhaps transfer paper with toner) facing each other, and then slipping the PCB material in between them. I think it is a really great project, but I don't feel inclined to do all this work myself. - Robin
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das-labor.org UV scanner direct exposure of photoresist
2012-07-01 by Robin Whittle