Electronics Forum | Mon Sep 08 11:53:15 EDT 2008 | aqueous
Here are links to articles on that subject: Can You Clean a No-Clean Assembly? http://www.residues.com/pdfs/Circuits%20Assembly%20Articles/2003/low%20res/2003.01-Can%20You%20Clean%20a%20No-Clean%20Assembly%20-%20Circuits%20Assembly.pdf Component
Electronics Forum | Thu Sep 05 17:50:43 EDT 2002 | pjc
There are no "standard" spray fluxers that come w/ the Electra. The spray fluxers offered are: SelectaSpray? -Fixed multiple nozzles spray fluxer, 510 mm (20 in. ) Max width AccuSpray?- Reciprocating spray fluxer, 600 mm ( 24 in.) ext. only) Opti-Flu
Electronics Forum | Sat Nov 12 07:00:40 EST 2005 | davef
Those limits of allowable impurities have been set over many years of practical experience. People area talking about lead contamination of lead-free solder connections, but I can't find specific numbers in my notes. Places to start are: * One of T
Electronics Forum | Tue Dec 04 14:31:50 EST 2007 | davef
Search the fine SMTnet Archives for previous discussion. This technique has been called 'pin-in-paste,' 'paste-in-hole,' 'intrusive reflow,' 'alternative assembly and reflow technology' and who can remember all the other consultant buzz-words. Look a
Electronics Forum | Sun Sep 13 09:21:26 EDT 2009 | davef
You as, "What data is available showing the long term reliability of the intermetallics of the solder joints?" Alloy||Microstructure Sn-Pb||Lamella or globules Sn-Cu||Sn-matrix, Cu6Sn5 needles or globules Sn-Cu-Sb||Sn-matrix, cuboids of SbSn and Cu6
Electronics Forum | Wed Jun 06 16:00:24 EDT 2012 | davef
I’ve used “QI Macros SPC Software for Excel [http://www.qimacros.com/excel-spc.html ]“ It is very easy to use. Here's a step-by-step development of a run chart * http://peltiertech.com/Excel/Charts/RunChtLines.html * http://elsmar.com/pdf_files/p%
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