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Subject: Re: [Homebrew_PCBs] Re: laser ablation of paint on copper clad

From: Cristian <crissstian@...>
Date: 2014-12-10

At 10:37 AM 10-12-14, you wrote:
>My laser is that cheapo...
>
>http://www.ebay.ie/itm/151023934656?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
>
>
>Will try with that when received
>http://www.ebay.ie/itm/161132483080?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
>
>
>Not yet decided to order 0.7W as is not cheap...

No more than 120mW for uv photoresist exposure, otherwise you will
experience strong reflections.
Cristian