javaguy11111 wrote:
> The biggest problem with the photoresist is the limited shelf life.
> There is a time constraint to move the inventory.
Interesting. I have not noticed any degradation over the 4 years I've
owned my dry film negative active photoresist. I keep my dry film roll
permanently stored at room temperature in a varnished wooden box fitted
with a hinged lid and foam seal. It could have water or other solvent
that evaporates and cause problems. There is a small odour when I open
the box, so something is escaping, but its obviously insignificant.
Of course this doesn't mean photoresists have infinite shelf life. Some
just may be longer than others. I suppose storing it in a fridge would
extend it.
Adam