Electronics Forum | Mon Jul 10 12:20:50 EDT 2006 | SWAG
Should look like a void (light spot in the ball pattern). Might even not show much detail like a void does, could look more like the perimeter of the chip in the x-ray or the detail you see between balls in the x-ray. Depends on how good the shot i
Electronics Forum | Sun Mar 25 12:21:35 EDT 2007 | diesel_1t
http://www.freescale.com/files/32bit/doc/package_info/AN2920.pdf hopefully this help you. also we always look on X ray for some misplacement; you can see like a dark circle and another lighter circle with an offset between both circles (meaning dar
Electronics Forum | Tue Jan 29 09:58:30 EST 2008 | cyber_wolf
This is a shot in the dark because it has been years since I worked on a CP3. I believe that there is a flag on the turret. As the turret makes a full revolution this flag must make pass through a sensor. If this sensor is not functioning or if the
Electronics Forum | Wed Sep 03 11:42:21 EDT 2008 | robinj
If the tarnish is really dark, it is very difficult to remove. Since it is yellowish it is only in the early stages. Replating will definitely work. I have used sulfuric acid based cleaners to remove this yellowish color. But rinse well and dry quick
Electronics Forum | Mon Mar 02 15:07:28 EST 2009 | snsmt
Hello All, One of our operators recently placed a PCB inside our reflow and when the PCB came out, the board was dark green! My question is, what would determine if this board is acceptable or not? I tried searching it, but couldn't find a re
Electronics Forum | Tue Feb 16 09:37:05 EST 2010 | davemacnemo
Stumbled around in the data management section for a while and found that the board origin somehow got its sign changed from -ve X value to +ve :o/ - Is there any way to change the colors on the display. Someone has made some really bad choices (blac
Electronics Forum | Thu Nov 04 19:42:21 EDT 2010 | eadthem
We do almost exclusively SMT parts but for solder with a 45 degree fillet angle use vertical light type and a binarise threshold of 128(1/2 dark 1/2 light) and use the 2nd option or dark=dark light=light _|" in vertical light solder fillet is dar
Electronics Forum | Fri Sep 23 08:37:02 EDT 2011 | duso02
You can pay high-end and just purchase from any big supplier (All-Spec, EIS, etc.) Or you can stop by your local Lowes/HD and find the 15" black-light fluorescent tubes and a cheap desk lamp that will hold them. Put it in a dark room and you are done
Electronics Forum | Fri Nov 25 04:10:21 EST 2011 | bwjm
Hi, I am facing some problems on my soldering joint. My operators perform the solder and left the assembled PCBs on the WIP rack. After 1 week (Due to shortage of components),the solder joint of the components darken. Is it caused by oxidation? If ye
Electronics Forum | Fri May 04 12:08:04 EDT 2012 | gnus
Hi. I got an old MPM SPM printer and recently the hard drive crashed and couldn't be saved. We sourced a hard drive but the problem is we don't have the actual software and cannot retrieve it from the dead hard drive. Does anyone have it or can point
