Look in the archives. If I remember correctly it is about 3.5 mg per sqmm.
  -----Original Message-----
  From: TechNet [mailto:[log in to unmask]]On Behalf Of David White
  Sent: Friday, June 07, 2002 1:57 PM
  To: [log in to unmask]
  Subject: [TN] BGA packaging?



  Technet,
  I am quoting on a new asm that has several BGA's (256 ball count and up) +
a couple of very large 25mil fine pitch processors. We have never dealt with
these before. The question is do I need to get a waffle pack changer for my
Siemens Siplace line? Or can I order these parts on tape and reel. I assume
the fine pitch will have to be in tray form, but what about the BGA's?  What
is the industry standard?
  Thanks
  David
  Ascom Energy Systems Inc.