Try a FASTON tab, I believe both AMP (42095-1)  and Keystone make these.  I=
've used them before, they solder flat on the surface of the board and have=
 a .25" tab for faston type connectors.  Using 4 of these in each corner yo=
u could also take advantage of passing power and ground on them.  The trick=
 is the mating side, I did a quick look but didn't see any PCB mount female=
s.

-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of=
 Neil
Sent: Tuesday, June 11, 2013 5:38 PM
To: piclist@mit.edu
Subject: [EE] PCB-solderable fastener?

Hi all,

I need to attach a PCB to a textured plastic panel without any visible fast=
eners in the front.  The only double-sided tape I can find that would handl=
e the temps (say up to 200 deg-F) has a noticeable thickness, so leaves a g=
ap that takes away from an otherwise clean appearance.

The PCB is a just a couple touch-pads and will have a thin vinyl decal over=
 it, though which even PEMS-type studs would show.  Ideally, I'm looking fo=
r some type of screw stud that I can solder onto a pad on the back of the P=
CB, or perhaps some thin springy piece of metal that would easily accept so=
lder, which I can bend to into a clip of some type.

The only springy metal I know is spring steel and quite sure it's not solde=
rable -- at least not with they usual 63/37 or 60/40 stuff.  I need to do a=
bout 100 of these for now, so I'm ideally looking for something off-the she=
lf.  Any clues to workable materials, or perhaps a solder that would adhere=
 to spring steel?

Cheers,
-Neil.






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