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by ipchq.com (Smail3.1.28.1 #2)
id m0t5YZ5-0000HkC; Wed, 18 Oct 95 08:29 CDT |
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Wed, 18 Oct 1995 02:27:14 -0400 |
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| From [log in to unmask] Sat Apr 27 15: |
06:12 1996 |
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<"h6w2y1.0._FC.s4GXm"@ipc> |
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Your lay-up is not balanced with heavy cloth all on one side. This may well
be a significant contibutor to the warp issue. Can your impedence control be
delt with by finer lines or thinner copper ? It may be worth some
consideration. Another possibility is moving the critical controlled
impedence circuit layer to the center of the package.
Cheers!...
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