Ball Grid Arrays don't have to be useless for home . If time isn't an issue
and money is or it is just some fun,,, [or it is only avail BGA etc] just
flip the pack and glue it down. Treat it like COB [chip-on-board] and wire
each dot with solder-thru enammeled copper wire. Mount on vector or a
carrier etc. Slime it with neutral-cure if you are likely to trash the
connections.
John K
Australia
----- Original Message -----
From: "Rick" <r...@ece.pdx.edu>
......clip.....
And all modern FPGAs and a lot of the more advanced processors are in
BGA format which is hopeless for home manufacture :-(
- Rick
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