The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
Date: Sun, 15 Sep 2002 15:26:11 +1000
From: Andrew Tweddle
X-Mailer: Mozilla 4.79 [en] (Windows NT 5.0; U)
Subject: Re: Etch resist Ink with Ink Jet printer Direct on PCB ?
References: <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com>
Organization: Client of Alphalink Australia Pty. Ltd.
> On 12 Sep 2002 15:01:41 -0700, firstname.lastname@example.org (Bill Sloman)
> >> Lot of mis-truths in this thread, how about the new Epson that prints
> >> directly to CDs, the ink doesn't soak into the plastic! Secondly
> >> earlier Epsons did have water soluable ink but my Epson Stylus Photo
> >> (a few years old now) uses a non water based ink, leastwise when
> >> printed on paper the print is water proof.
> >Nice of you to add your own mis-truth to the thread. Epson inks have
> >always been alcohol based. This didn't mean that the original inks
> >were water-proof - they used to use alcohol soluble dyes to get the
> >colours, including black, and these dyes were also soluble in water,
> >whence non-water-proof. I understand that they went over to suspended
> >pigments for black ink some time ago, and for the other colours more
> >recently. I suspect they may have also changed the alcohol - the ink
> >cartridges are now lasting longer.
> >Bill Sloman, Nijmegen
> OK I admit I guessed on the make up of the earlier inks, not having
> the slightest knowledge of chemistry I guessed that as the output
> disolved in water then it was water based. Thankfully I live and
> So we now know that an Epson printer can print onto a copper clad
> board, the question now is will the current ink resist attack by a
> ferric chloride solution? Finally will a vigerous attack with wire
> wool & water (or other 'safe' solution) remove the ink from the copper
> such that it may be tinned?
Baked on shellac has been used as a resist on copper for a very long
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup