Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Stefan Trethan 
<stefan_trethan@g...> wrote:
> On Sun, 02 May 2004 23:19:23 -0000, Dave Mucha <dave_mucha@y...> 
> wrote:
> 
> > Hi all,
> >
> > I have a board that I want to put a chip socket into.  But, and
> > here's the problem, I want to solder the body of the socket, not 
the
> > pins.
> >
> > The body has a 40 mil dia, the pins are 18 mil and my board has 40
> > mill holes.
> >
> > When I try to solder near the socket, it melts the socket.  I 
guess
> > if I had a flat tip I could squeeze it under (there is about 100 
mill
> > clearnace) and not touch the plastic.
> >
> > An alternative would be to use solder paste as it melts at a lower
> > temperature....
> >
> >
> > any suggestions ?  need pictures ?
> >
> > Dave
> 
> You can buy "single socket pins" or you can simply break them out
> of a old pc cpu socket (you get a huge number ;-) ).
> 
> Remove the plastic completely and then use them.
> to hold them straight insert a (junk) ic.
> (there are also fake ics out of sheetmetal but i don't see the 
advantage.
> you can of course lower the pins into the holes (big drill) so that 
they 
> are flush (or nearly)
> with the surface. this is low profile and much better for HF i was 
told.
> you can also buy suitable pins, without the narrow leg, that fit 
into big 
> enough holes
> directly.
> 
> ST


I have both styles and when doing 140 pins, or 6 strips, the strips 
are much easier.

The individual pins press into the board and look sharp, but pressing 
pins in takes a lot of time.  Also, I need some room above the board 
for clearnace for the crystal and chip.

Dave