Very interesting desoldering technique Richard!
Thanks. But this does require cutting all the
legs off the chip first, right?

I also like Alexandre's Brazilian "rubber condom
tubes" that fit to the end of the solder sucker
device. I would like to try these but have not seen
them for sale here.
-Roman



Richard Ottosen wrote:
>
> When I clip out the IC to save the board, I don't use a solder sucker to
> remove the pins from the holes.
>
> Instead, I use a hypodermic needle:
>
> First go to your druggist and get a syringe with the biggest needle they
> have. The size I always get is just the right size to go snugly through
> an IC lead's hole. (Note: In our drug war society you aren't supposed to
> be able to do this. I have never had ANY trouble getting a needle, no
> questions asked. Maybe it is because I always ask for the biggest needle
> they have?).
>
> Remove the needle from the syringe and grind off the sharp tip. Use the
> syringe for dispensing fluids, etc.
>
> Place the needle over the IC lead on the solder side of the board. Heat
> the pad and the needle until the needle pushes through the board taking
> the IC lead with it.
>
> Remove the heat and wiggle/rotate the needle in the hole until the
> solder solidifies. The needle is stainless steel and the solder will not
> stick to it.
>
> Pull the needle out of the hole. There may be a tube of solder sticking
> out from the hole. Just break this off with your finger nail.
>
> The hole is now open and solder free with the pad, plating and trace
> 100% intact every time!
>
> -- Rich
>
> Quentin wrote:
> >
> > You want to save the PIC?
> > If not, cut all the pins and use a solder sucker to remove the pins.
> > Less heat on your board.
> >
> > Quentin
> >
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