Electronics Forum | Tue Jun 13 04:42:26 EDT 2006 | yqdeng@gsl.com.hk
What is "Black pad"in ENIG(Electroless nickel/immersion gold), how to solve if it happen in SMD BGA solder joint?
Electronics Forum | Wed Sep 06 11:43:26 EDT 2006 | Shep
Thanks Steve. I do know that my vacuum and height/pressure are as they should be. You make a good point about the saturation of the paper. I will certainly check that.
Electronics Forum | Thu Sep 07 16:09:31 EDT 2006 | 8-pak o' hot dogs
Old guy ran old fwux! New guy tookamyjwob runs new fwux! Too shiny! No guud!
Electronics Forum | Thu Oct 05 15:21:03 EDT 2006 | RusH
We are having significant issues with lead free parts on leaded assemblies. Particularly grainy and non-wetted solder joints. Does anyone have any solutions.
Electronics Forum | Thu Dec 07 10:23:36 EST 2006 | fredericksr
Has anyone experimented with the Amtech 4300 flux that claims to be a no-clean flux that is easily removed with water? If so, how did it go? Is this flux truly removable with water only while creating adequate solder joints? -OtheRuss
Electronics Forum | Mon Jan 29 09:47:50 EST 2007 | slthomas
I think your customer needs to look at this: http://www.necel.com/pb_free/en/crosssec.html
Electronics Forum | Mon Jan 29 10:57:16 EST 2007 | davef
Maybe your customer ment to say something like: reliability in actual use does to a large extent depend on the heel fillet and the 'bottom flat' wetting. If the foot length is
Electronics Forum | Mon Jan 29 14:03:35 EST 2007 | realchunks
Thanks Steve but I feel the customer may get scared by such technology as cross sections. Remember Cave Man Lawyer on Saturday Night Live? I have Cave Man Customer.
Electronics Forum | Mon Jan 29 15:05:32 EST 2007 | slthomas
Bring out your Mr. Peepers outfit (I suggest adding a top to reduce distractions) and a couple of apples and maybe you'll find a happy place in the middle.
Electronics Forum | Tue Jan 30 13:50:59 EST 2007 | slthomas
Your customer needs to be beaten sensible with a copy of IPC-610. Strapping it to a 2x4 may increase efficiency.
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