Homebrew PCBs

A good question that I can't answer. I'll post it where someone with 
a lot more experience can give a more reliable answer.

Mark

At 01:17 PM 8/15/2013, you wrote:
>I'm more interested in starting with putting down a resist, then normal
>etch from there. What's the finest PLA or ABS line the extruders in use
>today will put down? I've been thinking of messing with putting an
>extruder and heated bed on my CNC mill anyway.
>
>--Rick
>
>On 8/15/2013 9:16 AM, Mark Lerman wrote:
> >
> >
> > Silver inks are expensive, but copper inks are much less expensive
> > and are available commercially. Multiple layers are readily achieved
> > with a 3D printer. The machine I have (Ultimaker) uses a Bowden tube
> > to carry the plastic filament to the printhead. This could easily be
> > modified to carry liquid ink. I think the real problems would be
> > things like soldering and mounting components to these inks. It might
> > be workable, though, and would be an interesting way to spend a few
> > months.
> >
> > Mark
> >
> > At 10:00 AM 8/15/2013, you wrote:
> > >Mark,
> > >
> > >Sounds like removal is not an issue.
> > >
> > >How liquid tight would the 3D mask be?
> > >
> > >Given that a 3D printer gives us a third dimension to the mask, I wonder
> > >what else can be done with it on the circuit board. What would be
> > very cool
> > >is if the 3D printer could form the traces on a piece of fiberglass. I
> > >recall an old process that could put down fine wire and cover it with
> > glue.
> > >
> > >Rick
> > >
> > >-----Original Message-----
> > >From: Homebrew_PCBs@yahoogroups.com
> > <mailto:Homebrew_PCBs%40yahoogroups.com>
> > [mailto:Homebrew_PCBs@yahoogroups.com
> > <mailto:Homebrew_PCBs%40yahoogroups.com>]
> > >On Behalf Of Mark Lerman
> > >Sent: Thursday, August 15, 2013 6:50 AM
> > >To: Homebrew_PCBs@yahoogroups.com
> > <mailto:Homebrew_PCBs%40yahoogroups.com>
> > >Subject: RE: [Homebrew_PCBs] convert inkjet printer into wax printer
> > >
> > >Rick,
> > >
> > >A heated bed is no real problem - I built one that works pretty well.
> > >But I'm not sure the wax won't stick to the copper directly.
> > >I hadn't thought about removing the plastic. PLA, which is the plastic
> > >I've been using, has only one solvent I know of, Tetrahydrofuran,
> > which you
> > >can get on ebay. Heated Benzene is also supposed to work. However, by
> > >switching to ABS, you can use acetone to dissolve the plastic easily.
> > >
> > >Mark
> > >
> > >
> > >
> > >
> > >------------------------------------
> > >
> > >Be sure to visit the group home and check for new Links, Files, and
> > Photos:
> > >http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
> > >
> > >
> > >
> >
> >
>
>
>
>[Non-text portions of this message have been removed]
>
>
>
>------------------------------------
>
>Be sure to visit the group home and check for new Links, Files, and Photos:
>http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
>
>
>