Electronics Forum | Thu Jul 03 08:50:15 EDT 2008 | rgduval
We include it as a part of overhead in our costing. However, I'm working to change that....we're a fairly small job-shop, and we run some jobs where we find that final inspection takes as long as the job took to build in the first place. In these i
Electronics Forum | Wed Jul 09 16:00:04 EDT 2008 | grics
Obviously you wouldnt perform the most difficult rework tasks till last... Sorry. I should have clarified. We rack our units to keep good units flowing and fall out are held for rework. The line never stops. Inspection is inline and it is the deci
Electronics Forum | Wed Jul 16 18:21:20 EDT 2008 | emti
BGA Placement is not easy as we think, Mainly you have to make sure you don't have acceessive amount of paste, try to paste your board as it covers full ball, make sure it is not short before you place any part. If you placing the BGA by hand be car
Electronics Forum | Tue Jul 15 09:02:09 EDT 2008 | ehess
Has anyone using these ovens had any problems with the chain (flat) belt slipping? I suggested to the tech we remove a link in the flat chain, and he responded it would make it out of warranty. It's the same type of chain flat belt as most wash and
Electronics Forum | Fri Jul 18 14:36:17 EDT 2008 | proy
I have a QFN which we are adding after process. (it was not available the day we ran the 4 prototypes.) We have removed most of the solder on all the pads, My plan was that a LITTLE solder on the center pad would wet and center the device (using a g
Electronics Forum | Wed Jul 23 03:04:57 EDT 2008 | gfro
Hello, We are using a PCB with thickness 3.2mm 4 layer and lot of through hole via's of diameter 0.4mm. We specified our PCB vendor to do plugging. Now we have big problems, that after 1..4 weeks we measure a low resistance between track's/via's of
Electronics Forum | Mon Aug 04 09:30:16 EDT 2008 | grics
If you have concerns, you can look at the datasheet for each component or contact one of their application or materials engineers and find out what the components are rated for...process-wise. IE, how long can I be in the oven with this part, at what
Electronics Forum | Wed Jul 30 08:45:42 EDT 2008 | grics
You could also try the ipclistserv "tech net". It is an email list and there are a lot of design engineers that maybe willing to lend you a hand. It kind of reeks to up but maybe worth the time. http://listserv.ipc.org/scripts/wa.exe?A1=ind0807
Electronics Forum | Wed Jul 30 10:56:33 EDT 2008 | adamcrum
Hiyo! My company just recieved a Camalot 1818 from a another company that we are now building boards for to speed up production for their stuff. As some of you may know, the older versions of this model AREN'T supported by speedline. I made a grown m
Electronics Forum | Mon Aug 18 15:03:38 EDT 2008 | awegener
I'd like to get more information about pick and place nozzles. How can I learn more? ... What do the nozzles look like? Are there different shapes? Are custom nozzles sometimes used for custom parts or are the nozzles mostly standardized? What kind
