Electronics Forum | Sat Apr 21 20:40:23 EDT 2007 | mika
Thanks Darby, I got the point of what you are saying. Never the less, I still don't like when a pcb manufactor change the leads/threads on the pcb whitout mention this to us. In such a critical case! There should always be a close relationship betwee
Electronics Forum | Tue Apr 03 00:37:51 EDT 2007 | grantp
Hi, I think the only solution would be to contact Fuji and ask if there is an interface to the machine to write software for it. I read somewhere that FujiTrax allows a IT system type connection which software could be written for. Another solution
Electronics Forum | Tue Mar 27 10:38:04 EDT 2007 | johansenng
Hi, sorry but i am new in this. This is a Freescale SRB ZigBee node schematic design. 1)Can anyone help me identify what is the use of the 10K ohm resistor (R115) used? Seems that there is some advantages and disadvantages of using it. The source is
Electronics Forum | Mon Apr 02 11:57:08 EDT 2007 | realchunks
Well, I thing mowing his lawn will get your farther, but if you insist.... Fids - Fiducial registration seems to be a bear with most machines. Especially now that most boards are shipped form over seas, the quality is all over the map. Plus the fa
Electronics Forum | Mon Apr 02 09:24:16 EDT 2007 | ed_faranda
I do this ALL the time, and it is pretty much transparent to the process. We have done shake, burn in, and functional tests with our products and we didn't have any issues what so ever. We have had a RoHS complient process for well over 18 months n
Electronics Forum | Mon Apr 02 09:57:19 EDT 2007 | ed_faranda
Yes, Hand Up here. I would think you would have a quality problem. I am assuming you're doing this process in some sort of batch mode. I would hope that you can process your boards within a few minutes after components being placed. Things that I
Electronics Forum | Tue Apr 03 13:10:15 EDT 2007 | slthomas
Personally I wouldn't count anything but minutes. You need to know how long it takes to perform each task in order to balance your line. What I'm gathering is that you've got one printer feeding 4 machines, all running different jobs or maybe a pai
Electronics Forum | Wed Apr 04 19:10:20 EDT 2007 | rgduval
Pete, Top-side temp might be an issue. What's the easiest way to check it? I seem to recall some thermal decals that we used to use a couple of jobs ago. I spoke with the flex manufacturer, and they recommended 4 hours at 250 degrees pre-process
Electronics Forum | Fri Apr 06 10:43:57 EDT 2007 | flipit
Hi, Anyone seeing difficulty is soldering MLFs or QFN with lead free solder? I have an MLF with 3 rows of pads on each of the 4 sides of the part and then the large center ground plane in the middle. The part is 20 mil pitch. Had good luck with l
Electronics Forum | Fri Apr 20 18:21:55 EDT 2007 | Hegemon
Consider how the vast majority of PCBs with BGAs are produced. Forced air convection. Anything that comes closer to duplication of the original soldering profile is what you desire. Did they build it with IR or Convection? The process engineer wa
