gEDA-user: Mounting BGAs at 45 degrees

[Matt Ettus]

There is a Xilinx FPGA  in a BGA package with 484 pins spaced at 0.8
mm.  I need to mount it at 45 degrees.  Is this a bad idea?  Will I
run into manufacturing issues?  And can PCB put components down at 45
degrees?

Thanks,
Matt