Electronics Forum | Mon Sep 29 09:31:18 EDT 2008 | davef
No fixture needed. Look here: * http://curiousinventor.com/guides/Surface_Mount_Soldering/QFP * http://www.infidigm.net/articles/solder/ * http://video.google.com/videosearch?sourceid=navclient&ie=UTF-8&rls=GGLC,GGLC:1969-53,GGLC:en&q=soldering+qfp
Electronics Forum | Wed Feb 27 07:38:03 EST 2019 | dontfeedphils
SMT Maestro is the easiest to use by far, unfortunately it seems to have been wiped from the web. Here's a link that should work though... https://drive.google.com/open?id=1Ztj-AUou6oiZiIRkJinBWuaVorWYvP2_
Electronics Forum | Fri May 10 18:46:12 EDT 2002 | peterson
I posted a similar question a few months ago. Basically, I asked: "Can anyone who is NOT a salesman for an OI company, provide an objective argument for purchasing these very expensive systems." Well folks, not surprisingly, no one has posted a respo
Electronics Forum | Wed Jun 15 16:54:33 EDT 2005 | linny999
Siemens is an excellent platform. To reduce your scrap:- Carry out the specified maintenance, especially the segments and valve plungers; Calibrate revolver heads to benchmark. Remove the tables, smooth the magnetic strips, clean the mounting faces,
Electronics Forum | Sat May 09 09:00:54 EDT 2009 | davef
For more on using tin as a resist during bare board fabrication, read "2.5.6 Introduction To Tin And Tin/Lead Plating" here: http://books.google.com/books?id=etfNcpiR5ZUC&pg=PT570&lpg=PT570&dq=%22circuit+board%22+%22etch+resist%22+%22acid+sulfate%22&
Electronics Forum | Wed Jan 27 10:03:39 EST 2016 | mjscottinnc
Through trail and error we figured that out the Ethernet connections from the MC to SC. We have gotten past the Software booting wait and are now waiting to connect to Siplace Pro. The machine came with no documentation other then what the service te
Electronics Forum | Tue Apr 17 09:38:04 EDT 2001 | CAL
With some help from our good Friends at Agilent Technologies our RF Lab includes testing up to 100GHz. Equipment includes Vector network analyzer, signal analyzer, dual channel power meter, noise filter meter, advanced impedance analyzer (including
Electronics Forum | Wed Oct 17 09:38:55 EDT 2001 | fmonette
Dear Daniel, I assume that these components are moisture-sensitive. If they have absorbed too much moisture prior to reflow you might be experiencing popcorning. This typically shows up as a bulge over the surface of the die, in the center of the p
Electronics Forum | Wed Aug 06 08:09:57 EDT 2008 | davef
We agree that the squigglie part of the section of the BGA ball looks like something other than 'hot tear.' We'd guess that it is an inclusion, but it could be a sectioning defect, as you say. We agree that the majority of occurances of hot tear are
Electronics Forum | Tue Nov 08 10:52:29 EST 2016 | aemery
Tom, Hardware limit means the machine thinks it is at the limit sensor or a particular axis timed out before it got to the home sensor during the reset sequence. Go to your O/I map and see if any of the axis limit sensors are lit. You could have a
