First exposure:

A project log for UV Exposure Unit

UV Exposure Unit reproducable in every Hackerspace with a Laser-Cutter.

Alex365Alex365 11/23/2014 at 14:260 Comments

The right most exposure time was 13 minutes. It still seems to be underexposed. The letters on the left have sharp edges, so the distance of the leds to the board seems to be sufficient. I'm currently using H2O2 + HCl for etching.