Electronics Forum | Mon Apr 25 11:24:31 EDT 2005 | Daan Terstegge
I have a question about inspection, touch-up, and how far you need to go to get a product that meets the required IPC-spec. According to some reports (i.e. "New Study Reveals Component Defect Levels" by Stig Oresjo of Agilent) the average defect leve
Electronics Forum | Thu Jun 02 10:14:27 EDT 2005 | zartacross
hi! i am concern with the position of the workers in terms of visual inspection,since they deal with very small and intricate parts in pcbs. I would just like to ask which is better to have, the standing or sitting positions for them? specially that
Electronics Forum | Wed Apr 27 11:43:32 EDT 2005 | patrickbruneel
Hi Daan, What we did in the time was pareto analyses on all board designs to determine the critical areas (mainly design errors) and only inspect those specific problem areas. Every batch had a copy of the PC board with problem areas marked and only
Electronics Forum | Thu Jun 02 12:44:13 EDT 2005 | russ
Your inspection people will tell you what they need. We have some that prefer to stand while others sit. It has to do with chair / table / operator heights. e.g. tall table with a short operator they will want/need to stand and vice versa. Usuall
Electronics Forum | Fri Sep 16 11:28:20 EDT 2011 | dwanzek
I am looking for input on good blacklight to inspect silicon coating coverage on PCB's. This inspection is visual. Any advice or recommendations on lamps or bulbs?
Electronics Forum | Sat Jun 12 10:23:18 EDT 1999 | Dean
| How are you inspecting pcbs post-reflow, are you inspecting all or sampling. The type of assembly involved would be mainly chip components with a mix of actives and a few 25mil and under pitch. | If you sample what are your fault rates looking lik
Electronics Forum | Wed Jan 09 20:40:58 EST 2002 | ianchan
Since we are on the topic, What we do over here, is to get SMT Technical to machine pick&place "sample component layouts" onto double-sided tape, which in turn is placed onto an actual PCB... QA will take that double-sided tape sample, and using an
Electronics Forum | Wed Jun 11 18:22:41 EDT 2003 | Steve
Do you happen to know where I may find a supplier for the "little mirror"? Google didn't produce relevant search results for Mentor. My method of inspecting possible bridging under a BGA involved a small flashlight placed up against the edge of the
Electronics Forum | Tue Apr 15 08:38:23 EDT 2003 | pjc
Don't have any specific links to papers and articles. Try searching on the IPC.org (plus APEX show http://www.goapex.org) and SMTA.org web sites. Any papers and articles on the process from equipment mfg.'s should be taken with a grain of salt. Sold
Electronics Forum | Thu Apr 27 21:20:38 EDT 2000 | Dean
Here are some pointers to use during your X-ray inspection. Microcracking is virtually impossible to determine with X-ray. However, I suspect you are looking for "hard" opens. Those are much easier to find visually. If using a paste-and-place pro
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