The real bad part about rivets in my painful experience is they soon go=20
intermittent contact on one or both sides due to thermal cycling,=20
soldered well or not. Just the act of soldering nearby stresses them.
Would not recommend through-hole rivets in any serious application.

Soft copper wire and soft solder between layers if you must, but I=20
suggest rivets are a time bomb.

-- Regards, Les G

On 08/04/13 04:33, piclist-request@mit.edu wrote:
....
> The good part about rivets is, they are relatively easily inserted and
> riveted with a machine. The bad part is, you need oversized holes and pad=
s
> to take the rivets which can take a standard IC pin after that. Also, the
> simple mechanical machine is VERY expensive. Rivets are sold by many
> suppliers, among them, Farnell I think, they are relatively cheap per hol=
e.
> But installing them without the machine is not a good idea, even if solde=
red
> afterwards on both sides.
>
> I have used the threaded wire method and I use wire bridges made by hand =
all
> the time (single sided boards, milled). Hard to beat 30 minute turnaround
> time on milled single sided boards with the CNC next door. But it took
> almost 2 years to get the wrinkles out of the process and boards need to =
be
> redesigned and reimaged to be manufactured by other means.
>
> Tip: needle nosed pliers make great lead benders for jumper wires. Not in
> the way one would expect. Eyeball the length of the jumper and use the
> appropriate place on the needle nosed pliers jaws to catch the wire at th=
e
> needed width, then bend overhanging ends down using 2 fingers, insert int=
o
> PCB. Perfectly shaped jumper every time.
>
> -- Peter
>

--=20
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