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Subject: Re: [Homebrew_PCBs] Re: Cheap UV laser?

From: Robert LaBudde <ral@...>
Date: 2005-10-17

At 01:44 AM 10/15/2005, you wrote:
>At 02:05 AM 10/15/2005, you wrote:
> >nitrogen laser is only good as a source of koherent light for
> >experiments that require it. Otherwise- useless for drilling and
> >cutting. Mike
>
>I'm looking for an UV laser to expose the presensitized PCB.
>IR laser is powerful enough for cutting/drilling but not for my project.
>Cristiam

Why do you need a laser? A UV LED with a collimating lens should be
sufficient. You don't need coherent light, and the only advantage then to a
laser is the smaller beam divergence initially.