Electronics Forum | Sun Sep 25 20:20:22 EDT 2011 | johnyq
We recently aquired an old MPM-AP25 stencil printer that printed paste with a large error (about .060 inches). I concluded camera alignment to be the cause but was surprised by the magnitude. I found the camera beam splitter prism misaligned and loos
Electronics Forum | Mon May 12 15:13:29 EDT 2014 | emeto
Thank you guys. As we are speaking I keep examine the problem and here is what I got so far. 1. I measured the temperatures on my profile and the lead is hotter than the board. The lead goes 12 seconds earlier than the pad and is taking the solder.
Electronics Forum | Mon Mar 04 17:52:59 EST 2002 | davef
Yes, providing the surface of the via is solderable. * If so, how much paste? => Vias come in various sizes. Boards vary in thickness. So, the amount of paste to fill a via varies. Roughly, you�ll need twice as much paste as the volume of the via
Electronics Forum | Thu Jan 14 15:22:14 EST 1999 | Earl Moon
| Steve, | Whoa, take a breath! That was at least a dollar three-eighty answer. I've got to agree that nothing can replace a qualified, concientious operator for assuring quality. When I too worked at a small shop there in SillyCone Valley, my
Electronics Forum | Wed Jan 13 20:44:42 EST 1999 | Steve Gregory
Hello Sanjay! The cheap deal I use that Earl spoke of is called a SMarT Measure. It's a depth measuring microscope that uses the same principle of measuring optical focus that the units from Vision Engineering do ( if you've ever looked at any
Electronics Forum | Thu Jan 14 11:08:29 EST 1999 | Mike McMonagle
Steve, Whoa, take a breath! That was at least a dollar three-eighty answer. I've got to agree that nothing can replace a qualified, concientious operator for assuring quality. When I too worked at a small shop there in SillyCone Valley, my seni
Electronics Forum | Tue May 19 12:29:59 EDT 1998 | Richard Jackson
| Richard, | You may be encountering solder paste contamination | on the assembly during the printing process. Solder | will reflow on tin/lead plated lands therefore invisible. | If you are washing the assembly prior to inspection | then you are
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