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January 1998

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Date:
Fri, 30 Jan 1998 19:26:07 EST
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My only comment concerns a higher Tg material.
I have found that anything over .062 should be on
high Tg material.  Found that the holes do not stand
up well and with a high aspect ratio there may be
thin wall holes in some areas.  It should not cost
more than 5% for material ONLY for this material.
(I quote boards and this is a fact with my company)
However 170 degree is plenty.......

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