Electronics Forum | Thu May 28 09:23:59 EDT 1998 | Chrys
| Hello, | | I need some users information about "hot air knife" after the wave | bath: | - Defects reduction ? | - In what kind of boards(TH/SMT SOICS ect.) it is applied ? | - Where can I purchase it as a retrofit (Soltec Delta 6622cc) ? |
Electronics Forum | Thu Apr 13 02:32:12 EDT 2006 | raqi16
yep, only SMT reflow.
Electronics Forum | Tue Dec 13 09:15:56 EST 2005 | Samir Nagaheenanajar
5% Bi results in less plasticity * Formation of low temperature (ternerary phases) not detected. I don't advocate the use of Bismuth, per se, but rather I'm just relaying info. that I learned this from a Lead-Free seminar that I attended at Riyadh
Electronics Forum | Fri Apr 07 13:46:17 EDT 2006 | slthomas
Is it safe to assume that you're only talking about SMT reflow here?
Electronics Forum | Wed Jul 16 21:48:43 EDT 2003 | sam
Dave, I believed you are really experienced in SMT soldering process. What I meant good connection, should really be "Visual check by naked eye OK". From your message, there are situation of "marginal solderability" that will lead to uncertainty
Electronics Forum | Fri Jul 04 12:32:33 EDT 2003 | sam
I need some advice about a problem that happened in a SMT LED: The failure symphoms of this SMT LEDs is that the LED body itself seemed to be functional, but when soldering on the products, it showed good wetting and soldering, LEDs are bright and l
Electronics Forum | Thu Dec 03 21:40:01 EST 2020 | itmconsulting
Hey Kyle - Good for you for pushing your horizons and considering pin-in-paste (aka "Intrusive Soldering"). Don't let the nay-sayers out there discourage you. When I encounter mixed tech PCBAs (SMT and through-hole) my first choice, if the design a
Electronics Forum | Fri Jul 04 21:09:04 EDT 2003 | ramanandkini
I have a CEM-1 PCB board with 35 microns copper. This is PCB is finished with SMOBC+HALS. We do solder SMT LEDs, but till date we do not have problems that you have listed. The LEDs are good & bright. It even passed high & low temp cycle tests (-40 t
Electronics Forum | Thu May 07 20:28:35 EDT 2009 | davef
From our notes, the following is a series of snips from: "Copper Dissolution in Tin" LJ Turbini, PhD, adjunct faculty member, University of Toronto, Materials Science and Engineering, SMT 2/07 As the solder becomes molten, copper from the board diff
Electronics Forum | Wed Jun 27 11:13:44 EDT 2012 | mosborne1
We are seeing PLCC socket leads not soldered in our SMT process. We are using a KIC thermal profiling device and we are on 50% greem light process window. All other solder joints on the board looks great. The solder flowed what looks like perfect on
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