Electronics Forum | Tue Jan 04 15:28:22 EST 2005 | davef
Look here: * Circuit Board Repair and Rework Guide [ http://www.circuittechctr.com/guides/guides.shtml ] * 7711/21A - Rework and Repair Guide [ http://webvision.ipc.org/scripts/mgrqispi.dll?APPNAME=IPCWEB&PRGNAME=TOCFRAME&ARGUMENTS=-N,-N,-A,-A,-N50 ]
Electronics Forum | Tue Mar 29 20:59:55 EDT 2011 | lisalau
Recieved,thanks!
Electronics Forum | Tue Feb 14 09:10:43 EST 2017 | davef
Assuming the traces run parallel and perpendicular to each other, I'd choose one direction the traces run as "x" and the other direction for "y." Then I'd pick a unique identifier on the board to insure proper orientation. Next, I'd measure warp and
Electronics Forum | Mon Nov 08 14:18:10 EST 1999 | John Thorup
Reduced Oxide Soldering Activation is an electrochemical method of restoring the solderability of surfaces. Searching the archives of IPC technet and this forum will reveal more details. John Thorup
Electronics Forum | Tue Jun 03 01:50:10 EDT 2003 | jedduan
Hi Evtimov, You can get some information from IPC-SM-782A. Good luck! jed
Electronics Forum | Thu Nov 18 18:49:24 EST 2004 | Haran
We are looking for a Inspection house in China to perform Inspection and Sorting on PCBA manufacturing process and product at various MNC's. Well verse with IPC requirement.
Electronics Forum | Mon Feb 13 23:05:02 EST 2017 | swestheimer
I have been asked a very good question but have not been able to find a good answer. IPC for both PCB and PCBA refer to the X & Y dimensions to measure warp and twist but how would you determine the warp and twist for a round PCB or PCBA?
Electronics Forum | Tue May 26 14:39:40 EDT 2009 | boloxis
QFN or MLFs are mainstream now, QFNs already evloved to much more complex versions now like matrix pins, stacked dice and flipchip versions. IPC 610D already includes them, just make sure the pins have solder plating, the PWB pads have soldermask in
Electronics Forum | Sat Dec 15 10:36:25 EST 2001 | clarkk
Tried both, with no success. The big guys are pretty secretive about how they do things. The lawyer understands arbitration and things like that, but doesn't have a clue about customer furnished materials or volume pricing. I have found that IPC is w
Electronics Forum | Sat Mar 05 22:57:32 EST 2005 | gpaelmo
This has been our practice and its worked well: SMT process-QC/Touch-Up-Assembly. We have dedicated QC/T-Up after reflow trained under IPC requirements. They do the SMT inspection and ONLY touch-up if necessary. This way we never have to inspect SMT
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