Electronics Forum | Thu Feb 24 21:47:22 EST 2000 | Dave F
Interesting, Gary. Try this: 1 Assess candidate solders by reviewing J-STD-006 (http://canfieldmetals.com/j-std006.htm) to determine solder formulations that have liquidous temperatures in the desired range. 2 Request recommended profiles from supp
Electronics Forum | Mon Feb 06 17:19:59 EST 2017 | davef
Evtimov: IDEALS Project was one of the first to talk about componebt and board damage caused by LF soldering temperatures. There's lots of more current stuff on the web. Here's some that may help: * Assessment of Long-term Reliability in Lead-free As
Electronics Forum | Tue Oct 17 18:10:05 EDT 2000 | Philip A. Reyes
Yes, you need to conduct X-ray inspection for BGA-SMT assembly, but it doesn't mean 100%. If your process is well capable and robust you can do sampling. There is an available X-ray machine that right now Iam assessing, cause we are going to buy one.
Electronics Forum | Wed Aug 03 15:30:55 EDT 2005 | mgc
Our service prices are regionalized.In Malaysia the assessment price is $600 plus travel and expenses. Since we have service staff located in Singapore (easy drive to Johor etc.) and an office in Penang, I would not expect this to be too significant.
Electronics Forum | Thu May 18 09:17:25 EDT 2006 | patrickbruneel
Stephen, In addition to your comments The bothersome part is that NO environmental impact assessment report commissioned by the EU on the environmental impact of lead in solders and its alternatives exist. The two environmental impact reports that
Electronics Forum | Tue Feb 20 16:56:36 EST 2001 | davef
There has been substantial amount of FEA done on predicting BGA ball reliability, but this has most often been applied to assessing the reliability of the design of products, rather than the effects of rework. This sounds like an interesting proje
Electronics Forum | Tue Apr 17 12:39:29 EDT 2001 | davef
Continuing with Steve's comments, the true measure of whether or not residues [NC or not] are good or bad is found in the results of an laboratory analysis of the residues and an assessment of the impact of that level of residue.
Electronics Forum | Wed Aug 23 09:05:38 EDT 2000 | Dave F
Dr. Lee: In using environmental screening tests to assess solder joint reliability, what are the effects that make low temperature vibration effective in screening of poorly wetted solder connections? What temperature and vibration profile are effe
Electronics Forum | Sun Feb 28 10:12:25 EST 1999 | af ng
I am trying to get assess into the SMEMA, but for past 2 weeks it seems like servers was down, can anyone from SMEMA let me know is there any change in website. Thank you
Electronics Forum | Sun Feb 28 11:51:18 EST 1999 | Wayne Bracy
| I am trying to get assess into the SMEMA, but for past 2 weeks it seems like servers was down, can anyone from SMEMA let me know is there any change in website. | Thank you | You can try the attached URL. It will take you to the IPC SMEMA Council
