Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

DJ Delorie <dj@...> writes:

> With PTV, put a bunch of small ones in that pad to pull heat to copper
> on the other side of the board.

Alternative if you can't do reflow - put a BIG via under the pad; big
enough for you to solder the pad from the other side, through the
hole. Only works with plated vias, though, and only if your iron can
heat up that much metal at once without damaging the chip.