Electronics Forum | Tue Jun 19 12:26:38 EDT 2007 | billr73
We will be hand soldering a small number of PCBs per week (both through hole and SMT) using a water soluble flux. We will be using both standard leaded and lead free solder. The completed assemblies be hand washed in a sink using hot water. Do we
Electronics Forum | Thu Sep 28 14:36:45 EDT 2000 | James
We dump the paste in with the dross in a 55 gallon drum. It's all hazardus waste the only difference is paste has flux and dross is who knows what. We use waste recycler. I don't know if we get as much money back as you would from the manufacturer
Electronics Forum | Tue Feb 29 21:53:46 EST 2000 | Kelvin Chow
Dear Robert, On PBGA assembly, BGA sphere shrinkage number depends to the following factors, a. BGA Sphere size (before reflow) b. Solder mask opening diameter As far as I know, no formular has been established yet. Most of my friends just collect
Electronics Forum | Tue Feb 29 21:53:46 EST 2000 | Kelvin Chow
Dear Robert, On PBGA assembly, BGA sphere shrinkage number depends to the following factors, a. BGA Sphere size (before reflow) b. Solder mask opening diameter As far as I know, no formular has been established yet. Most of my friends just collect
Electronics Forum | Mon Jun 19 09:47:23 EDT 2017 | georgetruitt
You have a lot to think about! What does the flux manufacturer recommend as far as specifics like water temp or pressure? Do they recommend high temp di-water a detergent or saponifier? Do you currently have a cleaning machine, batch cleaner or inl
Electronics Forum | Fri Jun 22 11:18:23 EDT 2007 | agillman
I realize I am jumping in late but here is some REAL information. Waste water is controlled by EACH POTW (waste facility). It is NOT centralized as in EPA. The POTW's are primarily concerned with what might damage their pipes. First among their conce
Electronics Forum | Wed Jun 20 14:05:15 EDT 2007 | realchunks
Prolly the worst. I'm sure it depends on who you get, but Cali not only looks for things that affect the waste stream, but will report on things not up to code, and the biggest being they look for earthquakes violations.
Electronics Forum | Wed Jun 20 07:42:28 EDT 2007 | cokedigits
i difagree
Electronics Forum | Wed Jun 20 08:43:58 EDT 2007 | realchunks
Thanks for playing. Tell him what he's won Johnny.
Electronics Forum | Wed Jun 20 12:14:02 EDT 2007 | shannond
They're not that stringent in California, are they?
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