Electronics Forum | Wed Mar 28 14:06:46 EDT 2007 | realchunks
Hi A, Your subject is black solder, but you decrribe the solder as dull? Dull solder joints could be dross related, or even flux related. Are there any other related defects? But "dull metal sufaces" makes me thing this board was subjected to so
Electronics Forum | Tue Sep 14 06:00:27 EDT 2004 | sc
dear, appreciate the sharing of experience on detection tools of cold soldering defect on PCBA. thanks SC
Electronics Forum | Tue Sep 14 06:00:31 EDT 2004 | sc
dear, appreciate the sharing of experience on detection tools of cold soldering defect on PCBA. thanks SC
Electronics Forum | Tue Dec 14 10:36:42 EST 1999 | Paul Peterson
I recently encountered reflow soldering defects on a pair diode package, the smd pad had a green contamination, I'm convinced that this is not oxidation. The no-solder condition appears to be caused by a sloppy soldermask process, although over the y
Electronics Forum | Thu Nov 17 03:34:51 EST 2005 | cangly
Hi, We have a board with over 100 chips (mixed size) and some long Connector DIP through out Wave solder with many issues of no solder and solder bridge, (using clean flux with bubble fluxer and Kester solder bar). Currently we tried to reduce the de
Electronics Forum | Sun Nov 08 08:58:55 EST 2009 | aliabdul77
Instead of you spend money on AOI,my recomendation will be to install SPI machine ( solder paste inspection machine)since most of your defect are solderability issues.AOI only will ensure no escapee to backend/human escapee but SPI will help to to en
Electronics Forum | Sun Nov 08 09:00:49 EST 2009 | aliabdul77
Instead of you spend money on AOI,my recomendation will be to install SPI machine ( solder paste inspection machine)since most of your defect are solderability issues.AOI only will ensure no escapee to backend/human escapee but SPI will help to to en
Electronics Forum | Thu Oct 29 21:16:15 EDT 2009 | mah115
Fellows, We are considering getting an AOI machine to inspect boards that our vendors are giving us (we outsource the assembly of PCBAs). We have low volumes of boards, but every time a defect does slip by our human inspectors, it causes a lot of
Electronics Forum | Fri Jun 18 14:24:01 EDT 1999 | Vince Whipple
Tony, I have a great one page solder defect chart I can fax you, send me an email with your fax # and I'll shoot it over to you. vwhipple@sono-tek.com Vince --------------------------------- | Does anyone know where I can find a list of things to
Electronics Forum | Wed Jul 09 09:27:02 EDT 2003 | MA/NY DDave
Hi Saw a Cross Section picture and thought of you You noted above that you couldn't find any pictures or descriptions of your problem in a few well known sources. It probably is not what you are experiencing yet a soldering defect called land lift
