Boy, oh, boy, I have to take exception with the statement: 

"Incidentally, I don't think that the term "Insufficient Solder" is in
either standard.  I think that it is just a general term that we often
use without much definition."

The minimum amount of solder forming a fillet around the unsupported and
the plated-through-hole lead is clearly defined for each class in
section 6.1 and 6.2.
The minimum amount of solder hole-fill is defined for each class in
section 6.3.2 in J-STD-001D
The minimum heighth of the heel fillet for gullwing leads is clearly
defined for each class. See section 7.6.7 and Table 7-7.
The minimum endcap fillet for chip caps and resistors is clearly defined
for each class. See Table 7.4
The minimum amount of LCC fill is clearly defined. See figure 7-6 and
Table 7-6.
The minimum amount of solder required for MELF terminations is clearly
defined in Table 7-5.

And so on and so forth...

Anything not meeting the minimum is insufficient solder.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Glen Herzog
Sent: Monday, June 11, 2007 12:12 PM
To: [log in to unmask]
Subject: Re: [TN] Insufficient Solder

Ron,

Your question, "Does anyone here have a sure fire way to combat
insufficient solder."  apparently has two interpretations (1) how do I
get sufficient solder and (2) What should my inspectors do when there is
insufficient solder.  I'll try to address the inspector issue.

Normally, inspectors do not cause rework.  They have criteria from
J-STD-001 and ANSI/IPC-A-610.  Based on that criteria they will
determine if an assembly passes or fails the criteria.  Unless that
Inspector is quite experienced, a Quality Technician or Engineer, or a
Process Engineer determines what action must be taken.  Often
"Insufficient Solder' is a process indicator.  The process needs
improved, but the board does not need to be reworked.

Incidentally, I don't think that the term "Insufficient Solder" is in
either standard.  I think that it is just a general term that we often
use without much definition.

Good Luck, Ron

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