Steve
If it is gas escaping too fast how about minimizing the gas is the
solder joints? Did you ever look at the metallization of the holes in
the boards?
The amount of gas in a THT solder joint corresponds to the amount of
glass fibres that are not metallized in the pre-plating process. And the
amount of non metallized glass fibres has to do with the quality of the
drilled holes (dull drill, feed rate too high).
Best regards
Guenter
EMPA
Swiss Federal Laboratories for Materials Testing and Research
Centre for Reliability
Guenter Grossmann, Senior Engineer
8600 Duebendorf
Switzerland
Phone: xx41 1 823 4279
Fax : xx41 1 823 4054
mail: [log in to unmask]
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