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Date: | Mon, 26 Jun 95 14:03:28 CST |
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Bellcore TR-NWT-000078 in paragraph 6.2.1.2.4 recommends that
non-functional pads exist on every conductor layer. Yet all CAM
systems have a non-functional pad removal function. Some board
manufacturers use this functional automatically Most board shops, I
think, would like to use this function.
My question:
Does there exist a statistically significant study on the reliability
of boards that do not have the non-functional pads? If so, is this
study published?
Regards,
Jamie Baumgart, DSC Communications
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