Dear Brian:
I will introduce you to a technique known as CWF-PR (Complex Wave Form -
Pulse Reverse)
When you are working in a 15 :1 Aspect ratio it is also important what is the
hole size In general there is no question that the pulse is giving an
improvement there are number of working places. I did the work in Hadco Santa
Clara with a 250 boards
and the hole size was 20 they are working know with the technique I can give
you a lot more information if you can be more specific about your
requirements.
Also my phone numbers are
Office 954-984 5130
Mobil 954 461  5881
Moti Holtzman

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