How to define the voids in hole barrel after wave soldering ?
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Werner Engelmaier
Sent: Wednesday, May 30, 2007 8:27 AM
To: [log in to unmask]
Subject: Re: [TN] Fw: Status of IPC Solder Inspection Criteria
Hi Eva and All,
I am amazed at this discussion¡Xtrying to hash-out/meet leagalistic requirements rather than addressing the actual reliability. For some application [benign one's] 75 % or even 50% is perfectly adequate, but for those product having to function in harsher environments only 100% will not cause premature barrel cracking at the stress concentration caused by th3e incomplete fill interface.
Werner
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