Great - Thanks.
Mark
At 02:55 PM 5/4/2010, you wrote:
>I'll send you a sample to experiment with. I've got your address, and
>will ship it probably Wednesday.
>
>Dave
>
>
>Mark Lerman wrote:
> >
> >
> > Hi Dave,
> >
> > Thank you VERY MUCH for the recipe! This may indeed be the missing
> > piece, though I really have no problem printing directly on the
> > copper - My problem is distributing the charge on the board. I tried
> > to buy some of your stuff, including the coating, a while ago, but
> > you told me it was out of stock Do you have more? If so, can I buy a
> > bottle to try - I can pay via Paypal at your regular site.
> >
> > Mark
> >
> > At 01:32 PM 5/4/2010, you wrote:
> > >Greetings. Thought I'd throw in my 2 cents here.
> > >
> > >If you apply a water soluble coating to the copper, you shouldn't need
> > >to modify your laser printer to be able to print directly on the copper
> > >(except perhaps to compensate for the thickness of the board).
> > >
> > >We sell such at coating at www.laserpcb.com, and I thought I'd "open
> > >source" the recipe for everyone.
> > >
> > >1 cup water
> > >1 cup isopropyl alchohol
> > >4 tablespoons Carbomer 940
> > >
> > >We buy our Carbomer 940 here:
> > >http://www.snowdriftfarm.com/emulsifiers.html
> > <http://www.snowdriftfarm.com/emulsifiers.html>
> > >
> > >Blend REALLY well. I use a hand-held immersion blender as found at:
> > >http://www.target.com/KitchenAid-Immersion-Blender-Onyx-Black/dp/
> B00008GSA4
> >
> <http://www.target.com/KitchenAid-Immersion-Blender-Onyx-Black/dp/B00008GSA4>
> > >
> > >Instructions for applying the coating can be found at:
> > >http://www.laserpcb.com/coating.php <http://www.laserpcb.com/coating.php>
> > >
> > >Hope this helps.
> > >
> > >Dave
> > >
> > >
> > >------------------------------------
> > >
> > >Be sure to visit the group home and check for new Links, Files, and
> > Photos:
> > >http://groups.yahoo.com/group/Homebrew_PCBsYahoo
> > <http://groups.yahoo.com/group/Homebrew_PCBsYahoo>! Groups Links
> > >
> > >
> > >
> >
> >
>
>
>
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>
>
>
>------------------------------------
>
>Be sure to visit the group home and check for new Links, Files, and Photos:
>http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
>
>
>