Homebrew PCBs

Yes, the ones we use at work are "red" label black sharpies. Ore  
specifically, industrial acid resistant.  It takes forever to scrub  
these off with 91% alcohol.

Sent from my iPhone

On Apr 28, 2010, at 10:21 AM, "Tony Smith" <ajsmith@...>  
wrote:

> > Has anybody had lucks using Sharpies as resist-ink? Are there any
> > recommendations on something better?
>
> I think it's the red ones that work.
>
> Tony
>
> 


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