Check out these pages for more info.
> -----Original Message-----
> From: firstname.lastname@example.org [SMTP:email@example.com]
> Sent: Wednesday, May 06, 1998 9:39 AM
> To: si-list@silab.Eng.Sun.COM
> Subject: [SI-LIST] : bga
> Does anyone know of text books and/or papers that provide practical
> design techniques and criteria for using BGAs? I am interested not
> only in SI related design, but in PCB footprint design, cooling,
> assembly, etc.
> Thank you,
> Tom Giovannini
> Applied Signal Technology