Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, DJ Delorie <dj@...> wrote:
>
> 
> Adam Seychell <a_seychell@...> writes:
> > There is no big penalty going further distance, except the edges
of the 
> > projected light will tapper off more slowly the further distance
away. 
> 
> What if you built your exposure box with mirrors on the sides?  It
> would appear to the pcb like an infinite grid of LEDs.
>

I think all the mirrors would do is reflect the light that is at a
high angle of incidence and cause broader lines. Light at lower angles
would never get a chance to be reflected.