Electronics Forum | Mon Apr 01 10:09:03 EDT 2013 | markhoch
It sounds as if you have your AOI set up off-line, and you're "AOIing" a sampling of the PCBs produced. If that’s the case, then the responsibility of who drives the inspection really depends on how you configure it. If it's based on the number of P
Electronics Forum | Thu Jan 23 14:19:56 EST 2003 | Mike Konrad
Hi Randy, No-clean flux needs to be activated in order to burn off the volatiles in the flux. This normally occurs partly during preheat and certainly during the reflow or soldering process. In most hand soldering applications, an operator applies
Electronics Forum | Tue Dec 09 09:46:31 EST 2008 | lazzara55
SMT-ypw: Do you have information about IPC D-35 for reference? B3: The D-35 is a subcommittee responsible for developing industry guidelines on the proper handling, shipping and storage of printed boards and printed board assemblies. Moisture is a ma
Electronics Forum | Wed Apr 08 14:46:34 EDT 2009 | boardhouse
The things to ask your board supplier would be: 1) Was the Pre-preg material that was used on this board within its Shelf life? and ask for the Incoming inspection CofC for the Pre-preg material. 2)Was this order shipped from Stock - this is why
Electronics Forum | Mon Sep 17 17:33:38 EDT 2012 | kq702
thank you for your reply. I felt like I was using too much heat but I thought it would not work unless I did so. I did not suspect a cold solder joint, however I did another test on a scrap board. I heated the board without my clamps attached (I put
Electronics Forum | Thu Jan 23 20:57:33 EST 2003 | davef
If the flux was not activated (ran in another area of the board), the flux should be removed from the board. Any Comments? A: We agree. In order for its �benigness� to take effect, NC flux is affected by: * Type of flux * Amount of flux * Proper ac
Electronics Forum | Thu Nov 01 01:48:14 EST 2001 | hamos_wks
168hrs, 1week of storage and frequently applied for rework after testing.
Electronics Forum | Thu Aug 24 14:42:30 EDT 2006 | any
y we had solder ball after reflow owen?
Electronics Forum | Thu Aug 24 22:19:24 EDT 2000 | george
Hi Guys, Wonder what and how other companies clean their squeegees and stencils after stencil printing adhesives. Can anyone give me a clear skies about the above process? We do not have any special cleaner at the moment. all ideas are welcome... t
Electronics Forum | Tue Jan 06 19:53:32 EST 2004 | jj
Hi, Any idea what's the possible causes of cold solder after drop test? Thanks JJ
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