On May 14, 2006, at 4:23 PM, Christopher Hart wrote:
> I'm actually working on HP Black inks right now.(The color inks
> just run,
> regardless how I dry/cure them) I just realized I have an old
> Deskjet 340
> sitting around, that already has a straight paper path. I am currently
> fighting a battle with the inks beading up on the copper, even
> though my
> initial tests on aluminum worked without any problems. My next
> attempt will
> be using a hair dryer (mild hot air gun) to warm the board during
> printing,
> and get the inks to dry quicker, hopefully as they hit the copper.
I don't know if it's a practical suggestion, but there are compounds
now used for emergency bandages.
You slap one of these on a fast-bleeding wound, and the chemical
additive absorbs the blood instantly, giving off some heat.
This causes the wound to clot immediately.
I was just wondering if it would be possible to deposit a coating of
these crystals on a PCB so that ink would dry faster.
Thus the ink would set much faster. As long as the thin film wasn't
resistant to etchant, it might expedite the process.