Electronics Forum | Mon Dec 16 19:05:57 EST 2002 | davidduke
Steve , I agree with all the responses you have received. Randy Villeneuve is absolutly correct in all of his assesments and I would consider him an expert with the process , Gris is correct about adding a "heat sink" to the process complicating pr
Electronics Forum | Thu Sep 05 23:18:03 EDT 2013 | feiyangniao
There is a new toy I received today: a NeoDen TM-240A automatic desktop pick and place machine! I’ve kept my eyes on this baby for a quite a while, and finally decided to make a purchase last week. The shipping was very fast: DHL from China, a total
Electronics Forum | Tue Nov 28 21:16:17 EST 2006 | davef
J Rose at EMPF says: The introduction of no-clean solder fluxes in electronics manufacturing has given rise to greater levels of solder balling simply because the opportunity to remove them in the wash process does not exist. They are typically cause
Electronics Forum | Mon Feb 19 11:36:39 EST 2001 | billschreiber
Hello Mark, I wish it were that simple so I could direct you to a particular manufacturer and stencil cleaner model. Unfortunately, there are several issues complicating the process of cleaning all these applications in one machine. First and fore
Electronics Forum | Tue Nov 11 16:30:08 EST 2008 | naynayno
Occasionally solder mask thickness is believed to be the cause of gasketing challenges during paste printing. We currently specific IPC-SM-840 on our fab drawings but this provides no limits or guidelines on thickness. I do not want to cause an unr
Electronics Forum | Wed Aug 13 05:18:40 EDT 2008 | lococost
that's a pretty cool idea, I like some thinking 'outside the box '! 1. I don't think picking it up and placing it will be much of a problem. once the rivet is placed it will be held in place by the paste. However, you would need to make a tray that
Electronics Forum | Tue Jan 16 07:59:36 EST 2007 | tk380514
we worked out that the wave soldering cassettes Duratstone material takes alomst 35 degree away from the surface of the pcb, and the speed is already too slow it should be over 1.0 - 1.8 meters a minute but its now already 82 cm a minute, in order to
Electronics Forum | Thu Oct 30 12:26:26 EDT 2008 | slthomas
Your fridges can't be temperature adjusted? We've always just used "pre-owned" kitchen fridges and set them where we want them.
Electronics Forum | Fri Feb 13 11:19:07 EST 2004 | Evtimov
Hi Bryan The answer is in the paste compozition. Balls of the BGA are usually made by eutetic solder paste.
Electronics Forum | Mon Nov 20 04:04:42 EST 2000 | Gyver
Sirs, Please do me a favor to answer the following questions, thanks a million! 1. Will the baking of BGA or PCB cause more oxidation before the SMT process? 2. What is the acceptable Life Time of solderability at customer site? The time that the sol
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