Homebrew PCBs

It's this one.. hmm.. refilllable..

http://www.sharpie.com/enUS/Pages/sharpie-liquid-pencil.aspx

I found the refills.. 0.5mm

http://www.grainger.com/Grainger/SHARPIE-Liquid-Pencil-Refill-5TCG2?Pid=search

I use a cricut to do stuff like this, I'll have to give it a try sometime.

-David


On Tue, Jul 26, 2011 at 12:08 PM, Donald H Locker <dhlocker@...>wrote:

> **
>
>
> Who makes that product? 0.4mm is a little large for me (I prefer 0.18mm
> pens) but might be good for other experiments.
>
> As far as conductivity, I'd say lay down a line and measure the resistance
> end-to-end. That will give you a better idea than I (and probably many
> others) have. It would be great if you could share that info, too.
>
> TIA,
> Donald.
> --
> *Plain Text* email -- it's an accessibility issue
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>
>
> ----- Original Message -----
> > From: "David Mitchell" <gossiphog@gmail.com>
> > To: "Homebrew PCBs" <Homebrew_PCBs@yahoogroups.com>
> > Sent: Tuesday, July 26, 2011 11:54:45 AM
> > Subject: [Homebrew_PCBs] liquid pencil
> > I bought myself one of these new "liquid pencils". It's like a
> > retractable
> > pen, but draws a nice thin (0.4mm or so) line with this "liquid
> > graphite"
> > ink.
> >
> > It erases very nicely, and supposedly becomes permanent after 24
> > hours.
> >
> > I'm wondering if this pencil mark has enough conductivity to allow me to
> > plate additional copper on lines drawn on a nonconductive surface like
> > fiberglass?
> >
> > http://web.media.mit.edu/~plusea/?p=554
> >
>
>  
>


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