[hackerspaces] Instructable: Super easy PCB production with vinyl masks
harry at deds.nl
Fri Dec 9 18:24:01 CET 2011
> Comment 2. What exactly are you using as etchant? Ferric chloride is
> the stuff I know. Granted, I wouldn't want to eat the stuff or swim
> in it,
Well, my tronix shop sold me a bag of Ammoniumpersulfat. The dutch
wikipedia page on this stuff says it is used for both etching PCB's _AND_
it is an add-on to improve bread, known as E923.
I wish you one very happy breakfast.
More information about the Discuss