Electronics Forum | Wed Aug 04 16:49:24 EDT 2004 | jim_bob
Regarding Lead Free component finishes, vendors are zeroing in on matte tin plating as the finish of choice. What test are performed, to determine if a finish is "matte" type (vs. non-matte)?
Electronics Forum | Wed Aug 04 18:38:53 EDT 2004 | davef
whiskers / "matte" => no whiskers. Look here: http://nepp.nasa.gov/whisker/anecdote/20year/ There. Nice going. What a buzz killer. I've got to got find some donuts, cold pizza, er whatever.
Electronics Forum | Thu Aug 05 11:37:24 EDT 2004 | Andrew
I was told by the customer to change the screw with washer to a screw without washer as the washer causing the overlay Lexan Material underneath the washer to bulge.What should I be looking at to make this change?Can I just use the same screw without
Electronics Forum | Thu Aug 05 13:48:37 EDT 2004 | davef
We'd guess. What does your customer say? If my customer gave me a written order to do something, I'd do it, unless he was wacked.
Electronics Forum | Thu Aug 05 20:42:11 EDT 2004 | Andrew
If the moisture does not has path to escape,what will happen to the entrapped moisture ,will there be a problem in the asssembly process?
Electronics Forum | Mon Aug 09 11:47:52 EDT 2004 | MM
Hello, I'd like to consult somebody here about how to do the inspection of solderablity of a PWB. what is the root cause about the cold soldering in SMT.
Electronics Forum | Tue Aug 10 15:19:09 EDT 2004 | davef
Hey Bob, turn DOWN the volume. Waint daff yano!!! On the surface of things, if you�ve been to a dozen board houses that have not been able to properly separate boards, we�d kinda be inclined to think it�s you and not them. [In your defense, we hav
Electronics Forum | Thu Aug 12 14:50:12 EDT 2004 | russ
This is interesting, I was once told by a PCB supplier that "soft gold" was immersion and the "hard gold" was the plated. But I agree with Dave F., Chris, what's going on? Russ
Electronics Forum | Mon Aug 16 16:26:19 EDT 2004 | Kris
what about areas that are soldered ? This is def not a Enig process and the specs are as they are not sure why thanks a lot for your help
Electronics Forum | Thu Aug 12 10:02:00 EDT 2004 | JB
There is a lot of debate over efficiency rates in our group, what percent would indicate that we have a good efficiency rate in our SMT production lines? Ours vary from 40- 60% We are constantly trying to improve this numbers, but I am curious as wer
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