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SMT Dictionary – Surface Mount Technology Acronym and Abbreviation
Electronics Forum | Tue May 06 23:16:20 EDT 2008 | hhorse
Could you tell me how to detect PCB delamination issue? through cross section, SAM or others?
Electronics Forum | Tue Oct 24 11:00:56 EDT 2006 | SWAG
I'm not sure why that was done. They based that decision on what they saw in cross-sectional analysis of the failures.
Electronics Forum | Tue Aug 16 09:37:58 EDT 2011 | blnorman
Dye and pry is frequently used on BGAs to determine if there is a crack at the board level or component level interconnect. C-SAM will show internal delaminations of components, not sure how well it would work with solder joint cracks. You can also
Electronics Forum | Fri Nov 17 07:58:06 EST 2006 | markb
SWAG - I also forgot to mention a few things. Our delmaination was always between the large copper plane and the laminate. It is a multi-layered board, so even when the delamination appeared around components (through visual inspection), cross-sect
Electronics Forum | Fri Aug 05 09:37:11 EDT 2011 | rgduval
From the fine SMTNet archives: http://www.smtnet.com/Forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=12824&#Message54659 There are a few other threads available, as well, by searchign on PCB Delamination. Delamination post reflow is almos
Electronics Forum | Fri Oct 08 09:43:27 EDT 2004 | davef
First, don't get too excited about the thermal capabilities of conductive epoxy. An epoxy like DuPont CB-100 increases the amount of heat conducted through the barrel, but many over estimate what it can do. Calculations show for a 0.020" drilled
Electronics Forum | Tue Oct 24 09:52:35 EDT 2006 | SWAG
We are having the exact same problem! We do about 6 or so ROHS SMT builds. 5 are fine now but we had problems with most initially and 1 is trouble still. All boards are same material, same PCB manufacturer. Initially, when the delam. problem occu
Electronics Forum | Wed Apr 30 09:22:26 EDT 2003 | gregp
Sounds like PSA cover tape. Contact Siemens about this. There may be an adjustment or modification to the feeder to stop it from delaminating the tape. This is generally a problem in feeders that have continuos tension on the take up mechanism (su
