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Date: | Wed, 14 Nov 2001 08:52:46 -0500 |
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Note that this is a pretty old report. It was published in 1988, but the data for it was generated several years earlier. I do recall making parts and submitting for this round robin, I believe in the 1984 time frame.
Patty
Patricia J. Goldman
PPG Industries, Inc.
724-274-3417
[log in to unmask]
-----Original Message-----
From: Werner Engelmaier [mailto:[log in to unmask]]
Sent: Wednesday, November 14, 2001 7:48 AM
To: [log in to unmask]
Subject: Re: [TN] Aspect Ratio
Hi Earl,
Round robin testing was done--the details and results can be found in
IPC-TR-579 "Round Robin Reliability Evaluation of Small Diameter Plated
Through Holes in Printed Wiring Boards."
Werner Engelmaier
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