Homebrew PCBs

On 05/03/2012 12:51, Paul Whatton wrote:
> Hi Pete
>
> Are you are buying your pre-sensitised board from Maplin? Particularly
> from a store rather than mail-order? The only major problem I have had
> has been with board bought from a Maplin store.
>
> I normally buy board from Mega Electronics and was getting quite blase.
> Exposure time (4 mins) always gave consistent good results. Then I
> bought some Maplin board, exposed it in the same way, and had results
> very similar to yours. I guess the stores don't sell much pre-sensitised
> board and it may have been on the shelf for a long time?

I use Mega Electronics boards, and they seem to go off after about six 
months or so.

Leon
-- 
Leon Heller
G1HSM