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Subject: Re: Etch resist Ink with Ink Jet printer Direct on PCB ?
Date: Wed, 11 Sep 2002 11:35:02 +0200
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
> > Has anybody tried this ? would normal ink work or should a special ink
> > made ?
> Considering inkjet inks are water soluble and etching solutions
> contain water I don't think you will have much luck with standard
> inks. The only possibility I can see is an aqueous UV curable ink.
> Let us know of your findigns.
i took a look at Printheads and on de XAAR site i found this statment about
"We pride ourselves on our ability to provide our customers with an enhanced
portfolio of specially formulated inks to chose from and these include
pigmented oil-based, solvent and dye-sublimation. Our UV curable inks allow
Xaar printheads to print onto a range of non-porous substrates, including
PVC, PE, polycarbonate, polypropylene, ABS, copper and steel. A range of
aqueous inks for vinyl and textiles is under development."
So there seems to be hope, but like always more questions are raised,
what do these printheads cost ?
and how do fire the drops ?, how to inteface
also saw that Aprion has this very long printhead (6 inch) that would take
away the need for X axis movement in a printer design , if the PCBs where
not to big.
But it does Pigmented water-based inks only so i guess its a nono.
On the IJT site they list "Printed Circuit Board fabrication" as a posible
application, They also claim to support "Industrial Solvent Pigmented inks",
"Signage Solvent Pigment inks" and "UV curable inks". So again there is
hope. But they could also be talking about printing the silkscreen symbol
anybody know what "Sigage Solvent" means ?
I guess you could buy a old scrap printer and retrofit it as new printhead.
Anyone up for such a project ?
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