Ken,
        Rather than a hot plate, you may want to look at the hot air bath
that Hakko manufactures. Easier to control and use, especially with the
adjustable height board holders they also make....

Mike McMonagle
Quality Manager
OYO Geospace
7007 Pinemont Drive
Houston, TX 77040
Ph 713-986-8650
Fx 713-986-8725

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bloomquist, Ken
Sent: Wednesday, March 01, 2006 8:37 AM
To: [log in to unmask]
Subject: Re: [TN] Solder Joint Inspection

You nailed it Richard! If it was wave soldered then it would be an easy
problem but hand soldering is not that controlled.

I think some of the suggestions for achieving a good solder joint will
go a long way toward making good solder joints but the inspection
problem still remains.

I'm going to look into adding a washer to raise the connectors up a tad
but due to tolerance build up this may not be possible.

KennyB

-----Original Message-----
From: Stadem, Richard D. [mailto:[log in to unmask]]
Sent: Wednesday, March 01, 2006 6:30 AM
To: [log in to unmask]
Subject: Re: [TN] Solder Joint Inspection

This is a good suggestion. You can use a few scrap boards or solder
coupons.
The trouble is that you cannot really control the process well enough to
know you are getting consistant results because of the fact that they
are hand-soldered, and the operator/equipment/methods variability will
eventually cause a worst-case scenario. If the boards were wave-soldered
under controlled methods it could be done.

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