Homebrew PCBs

Very cool!  I will have to look into that.

Chris




--- In Homebrew_PCBs@yahoogroups.com, Mycroft2152 <mycroft2152@...> 
wrote:
>
> The R220 is a standard 8.5" injet printer with a CD
> trqy on the bottom. My wife got one bundled with a
> camera at christmas. Not very expensive.
> 
> Myc
> 
> 
> --- lcdpublishing <lcdpublishing@...> wrote:
> 
> > Hi MYC,
> > 
> > I have not yet looked at a 220 printer from Epson so
> > I have no idea 
> > what it looks like.  How wide can it print?
> > 
> > The reason I ask is that I have one of those Fargo
> > Signature series 
> > CD printers.  It is design ONLY to work with CDs,
> > and thus can only 
> > print on an area as wide as the CD itself.  The
> > length of printing I 
> > am pretty sure could be modified, but not the wide. 
> > 
> > 
> > Either way, the printer is worthless as I can't get
> > updated drivers 
> > for it to work on the newer operating systems :-(
> > 
> > Chris
> > 
> > 
> > 
> > --- In Homebrew_PCBs@yahoogroups.com, Mycroft2152
> > <mycroft2152@> 
> > wrote:
> > >
> > > "Techno-Bqbble" is only useful after passing
> > through a
> > > Pragmatic filter. Usually there is nothing left.
> > > 
> > > Seriously, for direct to pcb printing to be
> > practical,
> > > it must use commonly availible components. Of
> > course
> > > there will be the the few that will go to
> > extremes.
> > > 
> > > The MIS ink results have not yet been duplicated.
> > > Anyone?
> > > 
> > > More postings have been concerned with converting
> > > printers for flat bed printing and cleaning
> > > printheads. This is re-inventing the wheel, CD
> > > printers are now commonplace.
> > > 
> > > Based on the discussion to date, the simplest
> > method
> > > is to use an EPSON R220 CD printer with  MIS ink,
> > > filled replacement cartridges.
> > > 
> > > Once the MIS Ink use is validated, then ~$50 will
> > buy
> > > the ink and cartidges.
> > > 
> > > Myc
> > > 
> > > Side posting alert!
> > > 
> > > L
> > > e
> > > n
> > > 
> > > d
> > > r
> > > o
> > > p
> > > y
> > > 
> > > t
> > > h
> > > e
> > > 
> > > l
> > > i
> > > n
> > > k
> > > s
> > > 
> > > a
> > > b
> > > o
> > > u
> > > t
> > > 
> > > t
> > > o
> > > p
> > > 
> > > p
> > > o
> > > s
> > > t
> > > i
> > > n
> > > g
> > > !
> > > 
> > > :
> > > )
> > > 
> > > 
> > > 
> > > 
> > > --- lcdpublishing <lcdpublishing@> wrote:
> > > 
> > > > Hi Len,
> > > > 
> > > > That was one of the best "Techno-Babble" posts
> > on
> > > > this subject yet!  
> > > > It would appear as though you have a really good
> > > > understanding of 
> > > > the chemistry involved in this process that we
> > are
> > > > trying to achieve.
> > > > 
> > > > Based on your experience, what exactly do you
> > think
> > > > we should be 
> > > > doing?  So far, the MIS inks seem to be "on top"
> > as
> > > > being capable of 
> > > > resisting the etching as well as being able to
> > be
> > > > used in the 
> > > > commonly available printers.
> > > > 
> > > > As for board prep, from first hand experience, I
> > > > know that not all 
> > > > PCB copper is the same.  I had some where toner
> > > > transfer works 
> > > > perfectly everytime, yet others where I can't
> > get
> > > > toner to stick to 
> > > > it unless I pre-etch it.  
> > > > 
> > > > As most of us here are not chemists, nor do we
> > play
> > > > one on TV, all 
> > > > we can do is experiment and try different
> > things.  
> > > > 
> > > > As for the requirements of board prep and
> > solvents
> > > > in inks (being 
> > > > water or otherwise) etc.  I came to my "hunches"
> > > > above based on 
> > > > something similar in experience.  We have all
> > used
> > > > Sharpie brand 
> > > > markers as a resist.  I have used it on every
> > type
> > > > of PCB material I 
> > > > have purchased. 
> > > > 
> > > > Oddly enough, I have never had to do ANY board
> > prep
> > > > work to get that 
> > > > ink to adhere and work good.  I don't believe it
> > is
> > > > water based (or 
> > > > uses water as a solvent) and being that black is
> > the
> > > > standard color, 
> > > > it also makes pretty good sense that black ink
> > > > should also work in 
> > > > ink jet printing. Now if we could extract the
> > > > Sharpie ink out of the 
> > > > pen, AND get it to pass through an ink jet
> > printer,
> > > > we would have 
> > > > our solution that works very reliably.  My hope
> > is
> > > > that the MIS inks 
> > > > are similar enough in "chemsitry" that they will
> > > > perform in an ink 
> > > > jet printer as well as the sharpie pens :-)
> > > > 
> > > > Chris
> > > > 
> > > > 
> > > > 
> > > > 
> > > > --- In Homebrew_PCBs@yahoogroups.com, Len Warner
> > > > <yahoo@> wrote:
> > > > >
> > > > > Wed, 19 Apr 2006 19:48, lcdpublishing wrote:
> > > > > ><snip Tarn-X>
> > > > > >I have a hunch there are two key elements to
> > this
> > > > whole ink-jet
> > > > > >printing thing..
> > > > > >
> > > > > >1) The proper type of ink - solvent based as
> > > > opposed to water 
> > > > based
> > > > > 
> > > > > But water _is_ a solvent, and a darned good
> > one at
> > > > that :-)
> > 
> === message truncated ===
> 
> 
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