Homebrew PCBs

Darn, I missed the part about removal by water.

Thanks,
Steve

--- In Homebrew_PCBs@yahoogroups.com, "ballendo" <ballendo@y...> wrote:
> Hello,
> 
> I read the how to use it instructions, and there appear to be a 
> couple of concerns. 
> 
> First, it is not clearly stated but it seems that this is NOT 
> a "there" or "not there" film. Rather the film is thick enough to 
> resist the blast in the non-image areas, but in the "image"(means 
> sandcarved) areas, there is still a thin film which must be abraded 
> by the blaster. (I say this because they show no step to remove 
> any "backing" film at ant point, and also because they recommend 
> using a wire brush for fine detail areas, calling it a "membrane 
> popper". My belief is that the membrane they refer to is the thin 
> film remaining which holds everything together. Because they are not 
> affixing the film to the product until AFTER exposure, developing, 
> and washout...
> 
> Next, the ultimate removal of the film is by placing in water. And 
> that part of the instructions says that all their films are water 
> soluble...
> 
> Based on this, I don't think it will work well for us, if at all...
> 
> Ballendo