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Subject:
Re: Ass. BGA shape
From:
Thad McMillan <[log in to unmask]>
Date:
19 Nov 96 08:45 CST
Content-Type:
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     To add to Hans' question what is an allowable amount of voids in a BGA 
     joint.  Do IPC standards exist on this?
     
     [log in to unmask]


______________________________ Reply Separator _________________________________
Subject: Ass. BGA shape
Author:  [log in to unmask] at dell_unix
Date:    11/19/96 8:25 AM


Hi technetter,
     
I would like to have some feedback on how a "not approved" BGA solder joint look
     
 like" (except
for an open or bridge). I am referring to eutectic collapsable solder joints.
     
Can you have "too fat" or "too thin" joints?
     
Hans Bogren
     
Ericsson Telecom AB
Sweden
     
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