Electronics Forum | Wed May 27 16:02:32 EDT 1998 | Chrys
| We recently made the switch to no-clean and the wurface mount is turning out beautifully. However, the wave solder process continues to put up a fight; we are getting a white residue on the surface of the PCB. The residue is not localized to
Electronics Forum | Fri Apr 26 10:42:28 EDT 2002 | Jim M.
I worked for a telecom company that had sites in the deserts, jungles, mountains and regular built up area's. All boards were built using Aim 291/293 No clean solder paste. (all boards built to Bellcore standard) The boards were coated with Dymax ur
Electronics Forum | Tue Sep 14 08:16:37 EDT 2004 | davef
Try: 7530 - Guidelines for Temperature Profiling for Mass Soldering (Reflow and Wave)
Electronics Forum | Mon Jan 26 15:09:59 EST 2009 | leemeyer
IPC 7530 - Guidelines for Temperature Profiling for Mass Soldering Processes (Reflow & Wave)
Electronics Forum | Wed Aug 09 22:11:46 EDT 2000 | Dave F
Mark: The best routing of test vias for BGAs is to keep them far away from the device. We route test pads for the outer two rows of balls and use vias as test pads for the inner rows of balls. Your bottom-side layout is fine. Yes, on the top-side
Electronics Forum | Tue Apr 07 10:01:04 EDT 1998 | Steve A
| Good Morning everyone. Per repeated suggestions I have been reading back issues of SMT and Circuits Assembly magazines. I have just read an article concerning selective wave soldering which I understand is to be used when active SMTcomponents are
Electronics Forum | Tue Jan 12 17:46:26 EST 1999 | Tom Gervascio
| | Good Morning everyone. Per repeated suggestions I have been reading back issues of SMT and Circuits Assembly magazines. I have just read an article concerning selective wave soldering which I understand is to be used when active SMTcomponents a
Electronics Forum | Fri Apr 20 10:17:47 EDT 2018 | sarcher
We purchased a ERSA Wave Solder 330-F machine recently "As Is", with NO warranty. Trying to get the machine started, we've ran into trouble with the Spray Fluxer ESF. During the initial verification run, the spray fluxer would move 4 times to the ce
Electronics Forum | Thu Jun 03 22:18:36 EDT 1999 | Dave F
| I'm encountering a new problem at my new company that I haven't encountered before in my past life - and that's Wave Soldering VIA holes. | | We've been getting a rash of defects that we call in this company, "insufficient solder in VIA hole." The
Electronics Forum | Wed Sep 15 23:15:55 EDT 2004 | pdeuel
Im with Pete, Zero defects. We have high defect rate for many reasons. No line tech, operators set up and run then when QA reports defects engneers are called. Not to make people mad but our process engneers are lacking practical experance to fix pro
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