Electronics Forum | Thu Jul 15 16:29:54 EDT 2010 | dilogic
I am trying to locate procedure for PWC calibration/adjustment on GSM1/2 machines (after moving feeder plate), but can't find it in the manuals. I would appreciate if somebody can give me a hint... - Deni
Electronics Forum | Fri Mar 15 15:28:33 EDT 2013 | anvil1021
I agree that it would be easier to cut the trace or traces, but the issue is that there is a 1.2v line that is tied to that specific ground (design issue) and if we cut it then the 1.2v wont be available to the several hundred traces that are involve
Electronics Forum | Wed Aug 14 12:12:16 EDT 2002 | stefwitt
With all "tricks" applied, expect failure rate of 1-2%. HS failure rate is somewhat lower.
Electronics Forum | Wed Apr 28 14:58:39 EDT 2004 | davef
Solder ball acceptability: IPC-A-610, 6.5.3.1 & 12.4.10
Electronics Forum | Tue Aug 17 15:52:29 EDT 2004 | davef
We agree with Rob. It sounds like someone is trying to pound your caps through the board.
Electronics Forum | Wed Aug 18 08:58:49 EDT 2004 | M.Enright
We are finding cracked capacitors at both first pass and second pass.
Electronics Forum | Mon Jan 03 09:10:46 EST 2005 | russ
That would be a 2012 (2.0mm x 1.2mm) in accordance with standardized naming convention.
Electronics Forum | Wed Dec 17 09:05:22 EST 2008 | caldon
One could check the SMEMA interface standard (http://smema.ipc.org/smema1.2.pdf )
Electronics Forum | Mon Feb 20 04:59:40 EST 2006 | Loco
For visual inspection table 1-2 seems to be in order here. If you can not see the bottom using 1.8 and table 1-2, it clearly would be a defect and rework would be the only option Well, my thoughts anyway, wonder if someone has other thoughts on thi
Electronics Forum | Thu Jan 04 12:51:37 EST 2007 | Board House
Hi Chunks, Starting copper on outer layer with .0007 is 1/2 oz. copper foil. so if starting copper is .0007 and your Board house will plate an additional .0021 mils of copper. which will give you a finished copper weight of .0028 Mils or (2 oz.) Y
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