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NNTP-Posting-Date: Wed, 17 Apr 2024 18:13:48 +0000
From: Joe Gwinn <joegwinn@comcast.net>
Newsgroups: sci.electronics.design
Subject: Re: PCB laser cutting
Date: Wed, 17 Apr 2024 14:13:47 -0400
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On Wed, 17 Apr 2024 08:09:30 -0700, John Larkin
<jjSNIPlarkin@highNONOlandtechnology.com> wrote:

>On Tue, 16 Apr 2024 21:16:27 -0700, Don Y
><blockedofcourse@foo.invalid> wrote:
>
>>I've been offered a small, 40W laser cutter and wonder if I
>>want to make space to store it -- as I suspect I don't have
>>many uses for it!
>>
>>One that came to mind would be cutting odd-shaped PCBs.
>>
>>But, I didn't think CO2 lasers were good with FR4, etc.
>>
>>(Or, could I opt for a different board material to
>>exploit the laser's abilities?)
>
>We buy blue anodized boxes and use a Boss laser to blast the artwork.
>
><https://www.highlandtechnology.com/Product/J744>
>
>That saves a ton of hassle with labels and silkscreening.
>
>I tried using it to cut patterns into copperclad FR4, instead of
>dremeling. It didn't cut copper very well and burned the FR4. Maybe
>some fast pulsed laser would work better.

Is this the CO2 laser or the fiber laser?

Joe Gwinn