Electronics Forum | Mon Jun 17 09:52:33 EDT 2013 | sara_pcb
My circuit board contains 11 x 11 matrix 1mm pitch BGA, The device was tested in socket on evaluation Board. We handed over the actual PCB & devices for re-flow. The assembly house first re-flowed all the SMT components other than BGA. BGA was placed
Electronics Forum | Mon Oct 21 09:22:56 EDT 2013 | sara_pcb
One of our PCB for high reliability application is having 2 BGAs(11X11, ADV 204), The pitch is 1 mm. We decided to wire the BGAs first using re-flow soldering and the rest of the components by hand soldering. Since the PCBs are for high reliability a
Electronics Forum | Tue Jun 25 07:48:32 EDT 2013 | bin95
I agree with everyone else here, 3-6 months for blowing dust out of panel a bit excessive, once per year will be fine in most environments. If you find it needs to be more frequent, you need to explorer dust preventative measures. (Check panel seal,
Electronics Forum | Tue Jun 18 11:16:39 EDT 2013 | dontfeedphils
Those are nozzle attaching and removing errors, meaning the machine is having a hard time picking up and leaving nozzles. In the head there should be a rubber o-ring, it often needs to be either cleaned and oiled (Juki has a specific oil, make sure
Electronics Forum | Tue Jun 18 15:33:22 EDT 2013 | abrown615
Hey everyone, Our company just picked up a Quad IV C/115 pick-&-place system from one of our offices that closed, but we do not have the documentation for it. It looks to be a very old system so I can't find it anywhere online and we just don't know
Electronics Forum | Wed Jun 19 11:34:37 EDT 2013 | chifutbol
"The disk of B drive has not been formatted as a PCB Data disk." This is the error I'm getting when trying to install lines on a new installation of the Gemline PCB Editor. I have tried using a new floppy, formatted in both opal and topaz machines,
Electronics Forum | Mon Jun 24 11:07:17 EDT 2013 | hegemon
We have not completed this Cert. But the last time the requirement came up, investigation and simple math told us that the cost up front, plus maintenance of the Cert was far more than the revenue the job would have brought us, with only one Custome
Electronics Forum | Wed Jun 26 13:15:18 EDT 2013 | hegemon
Thinking about it... If your sphere diameters were all the same, then your planarity should be established. Sounds like a job for an AOI type machine, with a laser height checker. I take it you have many of these to check, and are looking for someth
Electronics Forum | Thu Jun 27 14:56:05 EDT 2013 | kdc45
Purchased 2 used Fuji CP43's and did not receive manuals with them. Have been using CP42 manuals to write procedures and looking for jigs for the vision systems to calibrate them. However, I cannot find the jigs with the part #'s that are in the CP42
Electronics Forum | Thu Jun 27 17:32:35 EDT 2013 | tpost
We recently had a question come up regarding the amount of solder on a flat underside termination ( we referenced Flat Lug Lead in IPC 610). Judging by the photo you can see on the Left is a target solder joint, but on the right is one which had rewo
