PCB etching and layout

Bill Felton bfelton at ibm.net
Sun Mar 2 17:51:00 CET 1997

At 12:27 PM 3/1/97 -0800, you wrote:
>Hi (synth-diy),
>I'm doing my PCB's as outlined in Electronotes PCC.  
>That is I'm painting on the copper a design very 
>similar to the circuit diagram, etching, then surface 
>mounting the components.
>A. If anyone else is doing this, what type of paint 
>works best?  I've heard etch resist pens don't last 

I did lots of these sort of boards (>20) and found
the method to work quite well indeed.
I used model lacquer, as would be used to paint
plastic car/airplane models.  I think anything that
is not water soluble would work fine, though.

>B. What do you use to remove the paint after etching 
>(what is most effective)?

Lacquer thinner/turpentine/acetone sort of solvents.

Good luck!

Bill F.

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