Electronics Forum: detection (Page 1 of 57)

detection of cold solder

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

detection of cold solder

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

detection of cold solder

Electronics Forum | Wed Sep 15 11:44:46 EDT 2004 | mriddle

Dear SC, Are you looking for a cold solder detection tool for SMT,through-hole or both?

MLCC crack detection

Electronics Forum | Fri Sep 03 11:28:18 EDT 2004 | KenF

Fine crack in multi-layer ceramic capacitor (MLCC) may not be detectable by capacitance check.Could anyone out there advise which is the most appropriate method to test/detect fine crack ?

MLCC crack detection

Electronics Forum | Fri Sep 03 16:47:40 EDT 2004 | davef

Rob's comments make sense. Responding to your question: * Sometimes you can see a resistance change * Sometimes you can see a leakage change

MLCC crack detection

Electronics Forum | Mon Sep 06 04:42:18 EDT 2004 | KenF

Thx for the replies. Acutally I am doing a process related study to see whether the process (pcb depanelling)can induce crack to an MLCC. After depanelling, I will do a thermal shock on the MLCC based on IEC 384-1, that is, five cycles of 30min at hi

MLCC crack detection

Electronics Forum | Fri Sep 03 11:45:15 EDT 2004 | rlackey

Hi Ken, I know this doesn't help in the immediate timescale, but isn't avoidance the best form? can you trace the cracking to a process issue (Solder profile, shock damage, handling damage, probe/ATE damage)or a chip cap manufacturing fault? I can'

MLCC crack detection

Electronics Forum | Thu Sep 09 04:51:19 EDT 2004 | Simon UK

65%), if one failed on the board i replaced all of them, and re-tested and thermally cycled them inline with our spec (-55/+80 Deg/C for 48hrs) this was a nightmare, especially when some cracks were not detected until several weeks later while flying

Mirtec MV-7L lifted lead detection

Electronics Forum | Thu Apr 28 17:02:07 EDT 2011 | grasso1976

Has anyone had success utilizing the lifted lead/ height checker feature on a Mirtec MV-7L. We recently had two separate events where the machine did not detect a lifted lead using the ic/bridge inspector. The soldering results came back with out def

AOI for defect detection at soldering process

Electronics Forum | Wed Apr 19 04:38:49 EDT 2006 | ge_lim

Hi Refering to the Apr edition of SMT , page 24 to 29, anyone got experience on implementing the AOI or 3D x ray : a) What is the pros and cons? b) What is the trend in the PCBA industry for wave soldering inspection? c) Will this implementation co

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