Wade

I am a Senior Quality Engineer at VDO Control Systems in Auburn, IN. We
started into the process of switching over to a No Clean Process. We have
enforced the SIR testing to be done by our suppliers. We use the Omega Meter
as a measurable for the incoming bare boards and also to measure the
assemblies again prior to any coatings or pottings.

I hope this has helped you

Donn Steffen
(219)925-8887
dsteffen@vdo-com

-----Original Message-----
From: Oberle, Wade [mailto:[log in to unmask]]
Sent: Wednesday, March 22, 2000 4:13 PM
To: [log in to unmask]
Subject: [TN] process control of final cleanliness in a no-clean world


Dear technetters,
        How do all of you in the no-clean world monitor and control board
cleanliness.  In the days of OA flux, we used an Ionograph or Omegameter to
monitor our 'cleaning' process.  Do some of you still use an ionic
contamination tester or do you use SIR testing or nothing or what?

Thanks in advance for your advice.

Wade Oberle


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