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Subject: Re: 50 mil pitch ribbon cable directly to PCB?

From: "Phil" <phil1960us@...>
Date: 2004-04-03

that is an interesting way to do it. certainly could work for a
prototype. Not sure it would do for a small production run though.
thanks.



--- In Homebrew_PCBs@yahoogroups.com, "Mark Higgins" <dirtylude@h...>
wrote:
> You could try simple pads along the edge of the board and solder
the
> stripped wires directly to the pads. This will give you the
> clearance and is easier than drilling all those very tiny holes.
>
> Simply tin each pad and wire seperately than heat them down. Very
> easy.
>
> Mark Higgins
>
> --- In Homebrew_PCBs@yahoogroups.com, "Phil" <phil1960us@y...>
wrote:
> > I've seen this done and was wondering if anyone has some words of
> > wisdom as to how to do it. Basically, I want to attach a ribbon
> > cable directly to a PCB. The non-PCB end will use an IDC
connector
> > but I can't afford the size of header pins on the PCB. I've seen
> > several LCDs that have 50 mil spacing hole/pads. The insulation
> was
> > stripped of the ribbon cable, the wires inserted in the holes and
> > soldered. The solder is about 1 mm high. I need 2-3 mm
clearance
> so
> > that works for me. Clearance on the bottom is a little less a
> > problem but even SMT connectors are too big.
> >
> > Are there special tools for this? It sure looks tricky to do.
> What
> > size holes/pads?
> >
> > Phil