HI ALL !!!!
I HAVE A BACKPLANE WITH 14 LAYERS. THE PANEL IS 6.8mm THICK.
IPC CAT 3 REQUIRES 75% FILL ON PECS WHICH ARE UP TO 3.8mm THICK ?
MY QUESTION IS, WHAT DICTATES THE REASON FOR 75% FILL ? I WOULD LIKE
TO ACCEPT THE PANEL WITH ONLY 40% FILL. THIS WOULD STILL HAVE A
FILLET OF 2.72mm. WOULD THIS FAIL IPC-610 CAT 3 ?
Regards - Roger Deakin.
EMAIL [log in to unmask]
TEL +44 (0)1983 202632
FAX +44 (0)1983 202106
COMPANY BRITISH AEROSPACE LAND AND SEA SYSTEMS
NEWPORT ROAD
COWES ISLE OF WIGHT
PO31 8PF
ENGLAND
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