Electronics Forum | Tue Aug 02 10:46:03 EDT 2016 | proceng1
We are getting more and more customers wanting LED boards built on White Solder Mask. Well our printers do not get as much contrast between the white mask and the plated fiducial pad, and often the camera only sees white. Other than playing with
Electronics Forum | Mon Sep 05 16:24:09 EDT 2016 | davef
inspect => conformal coat ... and standards are aligned with that philosophy. I can imagine doing a good job inspecting assembly after being coated with particular coating thickness, optical properties, lighting conditions. Ultra-thins are so thin
Electronics Forum | Thu Sep 22 13:22:59 EDT 2016 | bobpan
Hello, The machine measures the part using the laser on the head after picking it up. It then passes or fails it by comparing it to the part size and tolerance for the pickup in the laser extents. You can see this in central controller under laser ex
Electronics Forum | Wed Sep 28 22:06:59 EDT 2016 | proy
I have a functional RTI 6250 AOI machine which I no longer use. My primary AOI is Yestech, and I do not see any use for the old one. The maintenance of two programs is way too much work even to just use it for presence and polarity. Has anyone else u
Electronics Forum | Tue Oct 11 13:35:30 EDT 2016 | mnorthey
When I had this problem on the DEK 248, the problem was the table up/down sensors on the motor. You can see if there is a problem in the maintenance mode in the inputs screen. They can be adjusted by loosening off the screws and moving the sensor un
Electronics Forum | Thu Oct 20 12:33:39 EDT 2016 | cyber_wolf
We get our fids laser etched and never have fid read problems. They are black. (see attached) All of our printers are Momentums. Half etch and fill is old school. I used to take 2 part epoxy and mix black printer toner into it and squeegee the mi
Electronics Forum | Mon Nov 14 17:17:02 EST 2016 | defakto227
Just from my recently acquired experience working with wash chemistry. Some will have issues with foaming as the concentration of wash chemistry goes down and the temperature of the wash goes down. Over a few washes you may be seeing a reduction
Electronics Forum | Tue Nov 01 10:13:18 EDT 2016 | ttheis
Try searching on ebay. You can also go to 'advanced' search and show completed listings to see what prices auctions sold for (or didn't.) Machine dealers typically sell machines in refurbished condition, ready to work with a warranty so they are goin
Electronics Forum | Thu Dec 01 04:32:28 EST 2016 | Rob
We've run for about 2 years with SN100C on a Stainless pot, and all looking OK at the moment - we have just drained the pot and swapped to a similar solder (customer request)so we had a good look as we were interested to see what was happening. To be
Electronics Forum | Sun Jan 22 04:57:25 EST 2017 | robertwillis
If you look at my book on Pin In Hole Reflow there are many examples of may process defects. Its free to download and the first book on the technology. if you send a photo of the defect I may be able to point you in the right direction see http://pih