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| Date: | Tue, 16 Apr 1996 16:24:00 -0500 |
| Content-Type: | text/plain |
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MIL-55110 HAS A REQUIREMENT, PARA. 3.6.2.1.1 THAT REQUIRES MINIMUM
ANNULAR RING OF 0.002" ON INTERNAL PADS. DOES ANYONE HAVE DATA THAT THEY
CAN SHARE WHICH DEMONSTRATES THE RELIABILITY OR UNRELIABILITY OF PLATED
HOLE BREAK OUT OR TANGENCY TO THE INTERNAL PADS. DOES ETCHBACK AFFECT
RELIABILITY ON PTH'S WITH BREAKOUT?
Kevin Facinelli
Rockwell Collins Printed Circuits
400 Collins Rd NE
Cedar Rapids, IA 52498
P: 319-395-1594
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