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

From: Slavko Kocjancic <eslavko@...>
Date: 2014-12-10

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...



On 10. 12. 2014 09:14, Cristian crissstian@... [Homebrew_PCBs] wrote:
> 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
>
>
>
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