stuart.lamble@... wrote:
>Yes. You're meant to put the board in developer.
> Hi All
>
> Please help. I purchased a piece of pre treated photo resistant pcb.
> I removed the black protective layer and exposed my positive onto the board
> by placing it in direct sunlight.
> After 1 hr, I removed the positive and had a perfect image of my pcb design
> on the pcb.
> This is when it starts to go wrong.
> I then placed the board in pre-made / purchased etching solution / ferro
> chloride.
> After much time, nothing has been etched.
> What am I doing wrong?
> Have I missed out something?