Electronics Forum | Mon Jun 08 14:19:30 EDT 1998 | Gary Simbulan
Earl, et al, Boy things get old and cold around here fast. I promised more detail on my capactior problem and I thought I could drop something completely different in the same message and tell a tale of solder balls. First the caps. We still have
Electronics Forum | Wed Nov 29 00:26:39 EST 2006 | mack3000
Hello everyone, I've been facing some issues regarding:- 1)missing components 2)overturn 3)misalignments Why does this occur?Is it because of the machines?The programming?Or handling issues? What steps are needed to be taken to counter this problem
Electronics Forum | Tue Feb 01 09:53:37 EST 2005 | Howard Sommerfeld
I also have a spreadsheet tool for comparative analysis using criterion weighted scoring. It can be used to analyze any decision, and helps groups reach consensus on why a particular alternative is the way to go. As final steps you can also consider
Electronics Forum | Tue Feb 15 14:35:41 EST 2000 | Balas
hi I am designing a test vehicle with a range of components on it(pbga, cbga,fc, mbga, and qfps). My concern is that I would like to use a single stencil for solder deposition and not a stepped stencil. That would require me to have aperture design a
Electronics Forum | Wed Oct 18 09:32:05 EDT 2017 | alexeis
Hi, Pick and Place file is included in CAD file. CAD file contains full information about a board including internal layers, silk, PAD/Component structure, and more. You can use Pick and Place (PnP) file on preparing SMT Programs. In case of small
Electronics Forum | Mon Jan 13 14:44:19 EST 2020 | dwl
I wouldn't think the vibration from weights dropping would be significant enough to effect the SMT machines. If you are concerned, look into placing vibration dampening pads under the machine feet. you don't need anything fancy, just neoprene pads wo
Electronics Forum | Wed Apr 13 07:50:10 EDT 2011 | jebs
Hi. I've been looking for SMT machines and have a budget close to 100k total on a stencil printer, p&p + feeders and reflow owen. Witch machines would you choose with this budget? Have any one of you heard of evest? http://www.evest.com.tw/product.h
Electronics Forum | Tue Mar 03 03:11:57 EST 2015 | vb7007
Hi I also forgot to mention, top side is reflowed first at SMT. Tenting vias is good option. we are looking into it. Can you please also suggest any solution to avoid solder balls at bottom side in other places than vias. Thanks
Electronics Forum | Wed Jan 16 04:16:11 EST 2008 | grantp
Hi, That's great, and I did not know this was possible, as I did not see that thread when I searched the archives. Do you know of any companies that take your board outline and will design a palette to hold it through the printing, smt loading and
Electronics Forum | Thu Apr 12 13:04:47 EDT 2007 | slthomas
Handling requirements of all classifications of moisture sensitive devices is found in J-STD-033. It really isn't an issue for most parts unless they're going to reach reflow temperature again, which is unlikely unless you're removing a nearby compo
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