Max,

Have you previously received info about our Auto-SIR tester?

Our technique will facilitate an identification of when and where any defects
occur.

If you would like more, please contact me off line.

Graham Naisbitt


Concoat Ltd                                     Email: [log in to unmask]
Alasan House, Albany Park                       Tel:    +44 (0)1276 691100
Camberley, Surrey GU15 2PL UK           Fax:    +44 (0)1276 691227


-----Original Message-----
From:   TechNet  On Behalf Of Max Bernhardt
Sent:   Tuesday, November 04, 1997 10:23 PM
To:     [log in to unmask]
Subject:        [TN] [AS] What parameters do other companies use when evaluating
        the e              ffectiveness of Assembly houses builds

Technet,

We are in the process of qualifying a board assembly house to build some
of our assemblies.  Since we have never gone to an outside house before,
we are kind of flying blind.  Right now, we want to qualify a vendors
process and have come up with a test plan.  The plan includes SIR
testing, Ionic board contamination testing, Vesication testing and a
thermal cycle of 10 excursions over the storage temperature of the board
to test the solderability of the assembly.  Does anyone have any other
tests or recommendations that they follow when qualifying outside
assembly houses.  We build to an IPC class II with some exceptions.  Any
help would be appreciated.

Max Bernhardt
Woodward Governor Co.
970-962-7376

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