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Subject: Re: photoresist sensibility chart ref UV wavelength - PCB LDI using a PS3 diode

From: "warrenbrayshaw" <warrenbrayshaw@...>
Date: 2008-06-12

The following article may be of interest
http://www.circuitree.com/Articles/Column/18623649067d7010VgnVCM100000f932a8c0____


"dandumit" <dandumit@...> wrote:
>
> Does anybody has access to the sensibility chart related to wavelength
> of exposing light source ?
> I would like to know if a KES-400AAA PS3 laser module
> (http://www.fineartradiography.com/hobbies/lasers/blu-ray/) would be
> usable to directly expose the photoresist from a pcb.
> This laser diode has a wavelength of 405nm (it's not uv is near uv)
> but maybe it would impress the resist from pcb at an acceptable
> exposure time.