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Subject:	Re: CCGA's, the good, the bad, and the ugly...
From:	Graham Collins <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Tue, 20 Nov 2001 06:45:05 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (49 lines)

Hi Steve
I got to observe some CCGA work several years back, and the one big gotcha is that they are much less robust than a BGA part - the columns bend pretty easy.  Not that I'm saying you should juggle BGAs - but treat these puppies like you would a QFP.  And as they are heavy - make sure you have a good vacuum pen...



regards

Graham Collins
Process Engineer, 
Northrop Grumman
Atlantic Facility of Litton Systems Canada
(902) 873-2000 ext 6215

>>> [log in to unmask] 11/19/01 08:22PM >>>
Hi all!

May be getting the opportunity to assemble some boards with CCGA's on them.
Don't have any direct experience with these puppies. Downloaded IBM's
application *.PDF on assembling and reworking them (it's pretty good by the
way), and seems that basically, you would do the same thing assembling these
guys as you do when working with BGA's...am I over-simplifiying things too
much?

Any advice, or "gotcha's" I should look out for would be appreciated...

As always, thanks a bunch!!!

-Steve Gregory-

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