PCB pens

[Rob]

As far as I know, for the donut connect method, I see no reason why this wouldn't work.. I have made entire boards with the circuit fix pens (albeit very simple ones). As long as the board doesn't flex a lot, it should be okay.  If the board is subject to a lot of flex the stuff  may crack.

Rob


-----Original Message-----
From:	Batz Goodfortune [SMTP:batzman at all-electric.com]
Sent:	Sunday, January 23, 2000 9:14 PM
To:	synth-diy at mailhost.bpa.nl
Subject:	Re: PCB pens

Y-ellow Y'all.
	Sorry to interrupt the thread here. Originally I wasn't talking about etch
resist pens. I've got that pretty much covered.

What I need to know about is these conductive pens someone was talking
about some time back. I have never seen one so I don't know a thing about
them. But someone had tried them and declared they were crap for making
boards straight up. they're designed for repairing boards I believe.

So what I need to know is how crap they are for that purpose? What I want
to be able to do is get "doughnut board" and join the dots. Without having
to solder them with wire. What's even more enticing is that I can get
double sided doughnut board. Which would make wiring quite interesting.
Assuming these pens would actually be a workable solution.

Farnell's have a range of Pen-like gadgets that dispense various types of
wire. but someone here was talking about some kind of lay-on or stick-down
circuit tracks. Or some kind of pen that delivered a substance that was
conductive and could be used to make links/tracks on an already made PCB. I
can only imagine what this would be like but I'd like to know more.

Anyway be able to advice me on this????

Thanks in advance.

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