I dont know if anybody belive me ,when I say ,I have used a board with succes, that was about 10 years old..it was stored in a cellar with same temp all year .SO think Leon has a point about light.
alex
--- In Homebrew_PCBs@yahoogroups.com, Leon Heller <leon355@...> wrote:
>
> On 15/04/2011 18:14, alex4459jopiklal44 wrote:
> > I have bought photo-resist-board at Reichelt.de Its Bungard. and on the boards is a label with 16-2-2013
> > witch I guess means, it is perfect nearly one year ahead.
>
>
> The problem might be caused by light getting through the back of the
> board, if they are not stored in light-proof packaging.
>
> Leon
> --
> Leon Heller
> G1HSM
>