Electronics Forum | Wed Oct 03 17:08:32 EDT 2001 | davef
No comment or intent to appear critical on your particular situation, because you did the troubleshooting to determine the source of the problem, but �solder on the component lead, but not on the pad� is more often caused by a reflow profile that get
Electronics Forum | Wed Oct 03 12:02:04 EDT 2001 | kjwaskow
We are getting solder blobs forming in open areas of the BGA, between the center array and outer array. THe ceter array balls are starved of solder, so they are presumably the source. The theory we hold is possible moisture causing the solder to mo
Electronics Forum | Mon Nov 19 10:18:03 EST 2001 | gzweig
There is no question but that x-radiation is an ionizing radiation and can effect components sensitive to ionization . The higher the power level of the x-ray source, the higher the amount of ionization taking place. At low levels of x-ray we have ne
Electronics Forum | Mon Nov 26 12:00:20 EST 2001 | peterson
Hi everyone, I am looking for a reliable company (preferrably on the west coast) that can make Wave Solder and Press-Fit fixtures for our back-plane division. I need a reliable source that can take our data and produce quality fixtures in a 5-7 day
Electronics Forum | Fri Dec 07 15:20:14 EST 2001 | davef
There is not enough time in the day to reliably hand solder these connections. Go buy yourself a solder fountain and spare yourself and your company the misery. Check the fine SMTnet Archives for sources of supply. Everything has a price. A solde
Electronics Forum | Fri Jan 04 15:06:07 EST 2002 | davef
Been rootin' through my card file. Other sources I'm aware of, but can not substantially comment on are: * DI water generators: Unit design 714.282.8100 fax8188 * Remco Engineering: modular ion exchange systems * Advanced Separation Technologies: co
Electronics Forum | Wed Jan 23 12:13:38 EST 2002 | barryg
We have some pcb assy's that are panelized and very narrow brds. We feel that some of the smt resistors may be becoming cracked when breaking them apart. Though we are scoring them deeper here and have requested our brd house to score deeper, is ther
Electronics Forum | Mon Apr 29 04:33:05 EDT 2002 | ianchan
You can try using the brand-solvent "Genesolv 2004" in conjunction with a degreaser machine(source for own machine type?). this all helps to clean off the NC flux. we used it all integrated together, to clean a satellite modular card. reason we ha
Electronics Forum | Mon Jun 03 19:43:57 EDT 2002 | peterson
Anyone who thinks that China is behind in the technology curve...hasn't been there recently. They learn fast, they can replicate (reverse engineer) like no other. It won't be years before they are at the same level as US OEM or EMS...it will be a lo
Electronics Forum | Thu May 30 14:35:00 EDT 2002 | davef
Hey Jim, What can you tell us about the causes, results, and prevention of 'fretting corrosion' in connectors? Jim, I'm not adding this to insult you, but as a source of more information for those that are not familiar with the topic. Background o
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