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September 1999

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Subject:
Re: Coplanarity spec for BGA & QFP?
From:
Bill Davis <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 8 Sep 1999 10:53:22 -0700
Content-Type:
text/plain
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text/plain (54 lines) 
+/- 4mils, but it's really dependent upon the pacakge size. Try checking at
www.eia.org & linking into the JEDEC files. They have package dim's there...

 Bill Davis, Ph.D.
 Senior Scientist
(408) 325-7868/321-4681


-----Original Message-----
From: Ken Patel [mailto:[log in to unmask]]
Sent: Tuesday, September 07, 1999 11:30 AM
To: [log in to unmask]
Subject: [TN] Coplanarity spec for BGA & QFP?


What is the acceptable industry spec or IPC for QFP and BGA coplanarity?

re,
ken patel

______________________________________________________
Ken Patel                       Phone:  (408) 490-6804
1708 McCarthy Blvd.             Fax:    (408) 490-6859
Milpitas, CA 95035              Beeper: (888) 769-1808

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