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

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

At 09:46 AM 10-12-14, you wrote:
>
>
>Using photoresist and 20mW 405nm laser works nice.
>I use cheap ebay laser and got spot under 0.08mm in one direction
>and 0.1 in other (spot is oval not round.)

Let me know, please the eBay number. 0.08x0.1 is very good.

>Now I wait to get stronger laser to crank up speed.

Be careful that more power means more copper reflections=large traces.

>Slavko.

Cristian