Electronics Forum | Fri Apr 01 14:51:23 EDT 2011 | jaimebc
We are currently experiencing a high rate of false calls on our 0402 chips. Resistors for the most part. Has anybody out there found a setting where this false calls are minimized? We are using top red light, pattern inspection,color inspection ( wh
Electronics Forum | Sat Apr 21 15:03:23 EDT 2012 | lakritzstange
Hi all, we have a Mirtec table top system MV-7. We are trying to use the ocr function to "read" the letters on the IC/resistors and so on. But the results are really bad. From other company using other machine i know that ocr is working fine. Ha
Electronics Forum | Thu Jun 28 16:46:30 EDT 2018 | applebar
thank you for the reply it was our error- there was a change notice via a spreadheet in a resistor value; the operator used the old reel/old value. Customer did not pay for AOI. Customer supplied tester passed all the boards, even with the wrong (u
Electronics Forum | Mon Oct 14 14:39:47 EDT 2019 | spoiltforchoice
Interesting, the scanner based FAI systems seen more than capable of reading text from what I've seen. I saw a demo of an ALeader AOI the other day @ WNIE and that certainly identifed test on resistors, but thinking back I don't know if it was readin
Electronics Forum | Thu Aug 18 09:41:05 EDT 2016 | jbuckley
Typically on my company's Mirtec systems, any anomalies, such as cracks, chips, etc. on chip capacitors and chip resistors are going to be detected with just a basic mounting inspector. We have a full image of the part (solder joint not included) as
Electronics Forum | Tue Jan 29 20:33:52 EST 2019 | deanm
First, you cannot measure capacitors once they are soldered onto the board. Second, why must you measure? Verify your machine set up by using intelligent feeders (if your machine has them) or a checklist, preferably by two people. If you cannot trus
Electronics Forum | Tue Aug 10 16:55:19 EDT 2004 | mriddle
RS, It seems you've been doing your homework. However, the real question is what do you need to do with AOI? 1) What is your minimum cycle time? This would help you to determine the speed you need and whether "scan on the fly" is warranted. Also,
Electronics Forum | Thu Dec 16 14:50:49 EST 2010 | rway
What Derek means is, you will have to train new templates from time to time, something you have to do with every AOI. Because there is no established method for marking parts, these markings can change. For instance, the text on chip resistors coul
Electronics Forum | Thu May 10 10:33:46 EDT 2001 | Eyal Duzy
Genny, I would like to correct part of the things that you were told. As far as I know, X-Ray tools are not positioned as tools to find solder volume simply because it is not a strong point for them. An X-Ray image is either a projection (2D transm
Electronics Forum | Thu Oct 16 07:38:35 EDT 2008 | rway
There are seconds when it comes to components. Find out what her sources are and if she is purchasing from a reputable vendor. She may be doing what all purchasing agents do, and that is finding the best deal out there. Especially if her review de
