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Subject: Re: [Homebrew_PCBs] Sunlight as a UV source?

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2008-01-28

Probably.

One could make an exposure meter which integrates up with the same
sensitivity as the resist.

I'll stick to toner transfer, with the weather like it is now i'd have
too many delays ;-)

ST


On Jan 28, 2008 4:59 PM, Harvey White <madyn@...> wrote:
> On Mon, 28 Jan 2008 10:39:37 +0100, you wrote:
>
> >Exactly!
> >
> >How is this supposed to work when i need to make a board at midnight? ;-)
> >
> >Anyone got the figures on moonlight exposure times?
>
> Time to dawn plus the normal exposure times for dim sunlight.
>
> Harvey