Homebrew PCBs

On 29/12/2011 15:43, poofjunior wrote:
> Hello, fellow PCB makers,
>
> I'm new to the etching community, and most of my learning has come
> either from here or other places online.
>
> I've made 3 successful boards so far using the Toner Transfer method and
> Muriatic Acid with hydrogen peroxide, but I'm worried about a critical
> step:
>
> After removing the etched board from the etching solution, I dried it
> with a paper towel and then cleaned it with acetone. Am I at risk of
> creating small particles of the friction-based explosive Acetone
> Peroxide because I didn't first rinse the etched board with water?
>
> Without knowing about this accidental byproduct beforehand, I've already
> soldered components onto the board and added a layer of epoxy to the
> bottom as a sealant.
> Because this board is going to have to take a lot of vibrations (it's a
> quadcopter controller board), should I trash it to e-waste and start
> over?
>
> Lastly, has anyone had any bad experiences in accidentally making
> acetone peroxide on their PCBs using HCL, H2O2, and Acetone?


There isn't any danger of an explosion, but the copper on your board 
might corrode because you didn't rinse it.

Leon
-- 
Leon Heller
G1HSM