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Re: [Homebrew_PCBs] what size should I build uv exposure box?

2013-02-13 by lists

In article
<CAKAK12nfpTJOMbOFvc7d5Rj01cemeMv3EkT=mdSj=JeNceGVwA@...>,
   Todd F. Carney <k7tfc@...> wrote:
> Charlie,

> I used to use a box with a glass surface about 12x12 inches. That was
> for prototype work at an aerospace-research lab. I don't think I ever
> made a board bigger than about 6x9 inches, and that was for some very
> serious work on instruments to fly on the space shuttle, etc. The design
> policy was to design systems that were distributed over more than one
> board if necessary.

The biggest board I ever made was for an eight channel lighting controller
for a small amateur dramatic society I was involved in. This was pure
analogue, output 0-10V DC, to control separate dimmer boxes and came out
about A4 paper size - which was just as well since that was the maximum
mask size I could print and the size of my commercially made light box.

-- 
Stuart Winsor

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