Ron,
Short answer: no.

The problem is there is no one cause. If you do a fishbone diagram (man,
machine, materials and method) you will end up with a pretty big fish
for insufficients.  And I didn't even see the original e-mail, so I am
not sure if you are talking about PTH or SMT!

So, obviously, your main thing is to have your process in "control". I
use quotation marks because it depends on what your level of tolerance
for errors is.

The second and less productive possibility is inspection. I would avoid
this as much as possible.

I know my reply deals more with philosophy than specifics, but I thought
it was worth saying.

Regards,
Bev
RIM

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Glen Herzog
Sent: Monday, June 11, 2007 1:12 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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