Electronics Forum | Mon Dec 08 18:52:47 EST 2003 | Craig M
Stability of process is what your measuring so lets not assume a stable process(if your process was perfect you would have no defects). With no test a medium complexity board will be around 68.7% (according to Consulogic). I dont have many other sour
Electronics Forum | Mon Mar 08 19:41:31 EST 2004 | Ken
Robert, what you have provided is not a "profile". It is a "recipe" or "job". I have 4 BTU VIP98's. I have hundreds of recipes...Your temps look similar to mine....but what does that have to do with the "thermal profile" as experienced by the asse
Electronics Forum | Tue May 04 15:18:45 EDT 2004 | msjohnston1
Ricardo makes some good points. My idea of a dream line is one that flexible to run as a high mix/low vol and low mix/high vol. I personally like Dek printers over MPM. The new printers from Mulara look interesting but they are a new company with a
Electronics Forum | Wed Aug 18 09:20:22 EDT 2004 | QE
Davef, Sorry for the late response. I was trying to gather more info. The group with low ionic contamination levels came from one of our other facilities. We want to outsource more of our product due to increasing demand. Both groups use the same
Electronics Forum | Thu Jul 01 13:47:25 EDT 2004 | Tom B
Good Day! I am looking to purchase a Cyberoptics KS-Flex 18 AOI system, I have a couple of question that if you could answer, I would most appreciative. 1) Model and length of time used. Do they use AOI for all pwbs or just the more complex a
Electronics Forum | Tue Aug 24 14:49:58 EDT 2004 | jamyboy
Hi, I am trying to assemble a LTCC component > with Pd/Ag surface finish on to Sn/Pb/Ag solder > and Sn/Ag/Cu solder. I am passing it through a > reflow. I have observed poor wettability at the > solder-pad joint. Does anyone have information
Electronics Forum | Tue Nov 09 13:36:03 EST 2004 | russ
If I remember correctly since I cannot find my copy of IPC 600, I believe that the 20% reduction applies to "defects" and not the total etch process. By the way what is being used to measure down to .0005"? For this measurement to be correct it wou
Electronics Forum | Fri Nov 12 15:56:50 EST 2004 | pdeuel
Thanks, That's the direction i'm headed. After by passing relay altogeather, testing large caps for the driver supply, replacing bridge rectifiers, and the MOV's, that's about all im left with. The vacuum motor will run with the software toggle witho
Electronics Forum | Tue Dec 14 04:01:08 EST 2004 | paul_fisher
We have a problem with dendritic growth that is affecting a new board going into production. This is of concern because they were subjected to Damp Heat Cyclic Tests as part of the product validation testing during their development. Fails to date
Electronics Forum | Thu Apr 14 13:10:49 EDT 2005 | Shean Dalton
Hi John, A primary consideration is the type of flux you are using. If it's water soluble (organic acid) then cleaning is highly recommended. Any other flux that fails the copper mirror test, we'd strongly recommend cleaning. Passing the copper m
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