Homebrew PCBs

At 08:27 07/05/25, Digest Number 2194 wrote:
>     Posted by: "pgdion1" pgdion1@... pgdion1
>     Date: Thu May 24, 2007 7:37 am ((PDT))
>
>I've always used the black light bulbs [snip]
>
>btw - for collimation, my box is all white inside instead of
>aluminum foil. I think this works well to even things out.

Evenness of illumination is not the same as collimation and
yours is diffuse illumination, more or less its opposite.


Regards, LenW
-- 
   From Yahoo! Groups Help: ... trim all the irrelevant quoted text
   out of your message (as a courtesy to the other members of
   the group to make the digest easier to read).