Ken,

I had a design that used a 1mm pitch BGA and I used a 18mil NSMD pad along
with a via that had a 20mil pad/10mil hole +0/-10mil.

Regards,
Bob Walker
Sandgate Technologies Inc.
[log in to unmask]

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Ken Patel
Sent: Thursday, October 04, 2001 3:40 PM
To: [log in to unmask]
Subject: [TN] Looking for pad layout info for 40 mil BGA


Designers / Assemblers,
I have few urgent needs for 40 mil BGA.
(1) what is the BGA pad size currently being used in layout?
(2) what the hole/pad size being used?

re,
Ken Patel

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