Hi Phil,



Gabriele recommendations are great. Search the Internet for these other documents I found very informative:

·         "Thermal Cycle Reliability and failure Mechanisms of CCGA and PBGA Assys with and without Corner Staking" by Reza Ghaffarian

·         "Vibration-Induced Solder Joint Failure of a Ceramic Column Grid Array (CCGA) Package" by Andy Perkins and Suresh K. Sitaraman



Last but not least, here is a NASA Standard developed by our center, GSFC-STD-6001 "Ceramic Column Grid Array  Design and Manufacturing Rules for Flight Hardware":

http://standards.gsfc.nasa.gov/gsfc-std/gsfc-std-6001-20110222.pdf



Hope this helps!



Rigo



Sr. Quality Assurance Engineer

Workmanship Standards, Code 300

NASA, Goddard Space Flight Center

Greenbelt, MD  20771

Phone. (301) 286-6129

Fax.       (301) 286-6576





-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of SALA GABRIELE
Sent: Tuesday, November 01, 2011 8:07 PM
To: [log in to unmask]
Subject: [TN] R: [TN] CGAs



Things like this ?



http://www.actel.com/documents/CCGA_AN.pdf





https://www-01.ibm.com/chips/techlib/techlib.nsf/techdocs/630AFA7BD7DE3FED87256C0100558D50/$file/ccga.pdf











-----Messaggio originale-----

Da: TechNet [mailto:[log in to unmask]]<mailto:[mailto:[log in to unmask]]> Per conto di Phil Bavaro

Inviato: mercoledì 2 novembre 2011 0.32

A: [log in to unmask]<mailto:[log in to unmask]>

Oggetto: [TN] CGAs



Who is already doing CGAs for Space applications.   I know a few of you

have already been down this road.



My division is light years away from being able to implement such a process so the only choice is to go outside.



I am looking for suggestions, lessons learned, applicable white papers, people I can ask questions of, etc.



Thanks in advance,



Phil



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