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Electronics Forum | Wed Jan 05 15:17:36 EST 2005 | rogerwilson
I'd be interested to hear people's views on the following please: I have a board that has both THT and SMT on it. I have to remove one of the SMT devices and replace it with a small module. The shape of the module is such that the connection legs ar
Electronics Forum | Fri Feb 11 13:20:38 EST 2005 | caldon
- As Dave said American Competitiveness Institute is a good place to start with SMT process. they have Three lines geared to various manufacturing practicies. They also have a full compliment of inspection, x-ray, failure analysis, and rework. http:/
Electronics Forum | Fri Feb 11 11:56:02 EST 2005 | Brian W.
Don't forget the possibility of causing component damage in addition to board damage. Reworking a ceramic capacitor with a hot iron can cause microcracks in teh capacitor. You probably won't find those until much later in the process, maybe even in
Electronics Forum | Thu Mar 17 22:47:29 EST 2005 | davef
That would be our first guess, also. Get the stuff analyzed to be sure. Another clue is if the white stuff disappears when you hit it with hot air from a rework station. The hot air is activate the flux. Good troubleshooting tool, but you're subj
Electronics Forum | Wed Apr 20 08:06:21 EDT 2005 | davef
We'd reject the boards because: * Vacuum seal is punctured. * HIC is expired. One of the nice things about immersion coatings is that the fab can rework the coating. You cannot do that with other coatings. Finally, every HIC that we investigated c
Electronics Forum | Wed Apr 27 06:57:47 EDT 2005 | steve
I always have a difficult time with seeing people using two different manufacturers products. Here your printing with Senju and hand soldering with Kester. So if theres a problem you have to look at two different products, contact two different compa
Electronics Forum | Thu May 19 12:38:38 EDT 2005 | Brenda Robinson, SPHR
Hello. I am an HR Manager looking to benchmark pay rates for engineers in the Midwest with experience in reverse engineering and component level repair experience. The experience should be in BGA type repair with the core experience in setting thermo
Electronics Forum | Wed Jun 08 13:06:36 EDT 2005 | jimby
You will have to machine the part off down to the top of the balls. Wick solder off from individual sites one at a time. All that will be left is Parylene shell where balls once were. Take an orangestick and alcohol to break up and remove. Tricky par
Electronics Forum | Wed Jun 29 03:47:12 EDT 2005 | fastek
I'm confused. Aren't Fuji nozzles like $20 each? Why bother? I would hope you understand that a nozzle not properly repaired could cause $50 worth of rework in about a minute after you installed it. Stepping over dimes to pick up pennies comes to min
Electronics Forum | Wed Aug 10 14:56:03 EDT 2005 | pjc
"Too Hot" is any more heat than what is needed to reflow the solder. You should have the Auto-Profile software for the machine, this will accurately monitor and record temps. There is also port for the component itself to monitor package temp. There
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