Homebrew PCBs

Interesting.  I'll take a look on my next trip to Manard's

On Sun, Feb 14, 2010 at 2:55 PM, William <walford@...> wrote:

>
>
> At 01:30 PM 2/14/2010, you wrote:
> > A
> >parabolic reflector seems like a fun exercise.
>
> lighting centers in places like Home Depot have a chrome-reflective
> plastic grid that is used to 'sorta' collimate florescent bulbs. i've
> seen these same units in professional screen printing exposure units
> that have UV tubes. the grid goes between the bulbs and the glass
> exposure surface and are angled to reflect light back up in a
> straighter line. i do think they are a good addition to an exposure unit.
>
> William Alford
>
> [Non-text portions of this message have been removed]
>
>  
>



-- 
Thank you,

Barry


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