Electronics Forum | Sun Apr 16 14:37:25 EDT 2000 | Roberto Navarro
Hi, I work for Nortel and here rework BGA'S we use DRS22 rework station and CRT 2000 X-ray inspection. The main problem is put again the BGA on the PCB because you need reboling the PCB and you could damage the soldermask. Talking about Air-vac is ve
Electronics Forum | Mon Apr 15 18:55:25 EDT 2002 | davef
Use the same size samples all the time, eh?
Electronics Forum | Fri Apr 12 15:48:33 EDT 2002 | jersbo
SPC for each assembly(I use C(for board defects)NP(for unit defects) at the end of reflow to determine process capabilities determine Control limits. Once control limits are set, inspectors stop the process until out of control limit is addressed and
Electronics Forum | Tue Apr 09 16:25:28 EDT 2002 | clarkk
Alan, You're right, mass inspection after assembly won't work. The inspectors will miss 25% (or more) of the defects, and the boards will be reworked before SMT operators can properly define defects and their sources. The company I work for tends to
Electronics Forum | Tue Apr 09 15:23:05 EDT 2002 | Alan W.
I have recently signed onto a company with very little board assembly experience. I am trying to develop a process control and continuous process improvement program for a new surface mount line, but have run into several people who are not really i
Electronics Forum | Tue Apr 09 15:24:10 EDT 2002 | Alan W.
I have recently signed onto a company with very little board assembly experience. I am trying to develop a process control and continuous process improvement program for a new surface mount line, but have run into several people who are not really i
Electronics Forum | Tue Apr 09 15:24:29 EDT 2002 | Alan W.
I have recently signed onto a company with very little board assembly experience. I am trying to develop a process control and continuous process improvement program for a new surface mount line, but have run into several people who are not really i
Electronics Forum | Tue Apr 09 21:40:26 EDT 2002 | ianchan
We are a local enterprise with limited resources, just like you described, so hope this experience sharing helps : we place a production Visual Mechanical Inspection (VMI) inspector at the end of each Reflow Oven area, complete with magnify scope 30
Electronics Forum | Mon Apr 15 21:55:46 EDT 2002 | ianchan
Hi Clark, Out of curiousity and in the name of learning new stuff, can you share with us how does your team, calculate the cost of inspection? Is inspection an additional chargable item in the quotation sheet? To quote your posting : "Just a side n
Electronics Forum | Tue Mar 01 10:31:26 EST 2005 | Greg
QC --> Touch-up --> QC --> Assembly After SMT all PWB goes to QC, QC Inspects and marks all that needs rework then PWB's goes to Touch-up to fix what QC marked for rework. After that All reworked boards goes to QC for another verification and stampi
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