Electronics Forum | Sat Jun 15 07:26:12 EDT 2002 | Daan Terstegge
A good PDF-file about tombstoning, written by Plexus, is accessible from http://www.xs4all.nl/~tersted/PDF_files/Plexus/tombstoning.pdf Daan Terstegge http://www.smtinfo.net
Electronics Forum | Thu Mar 16 14:27:15 EST 2006 | ratsalad
You sound like you work at Plexus!
Electronics Forum | Fri Apr 24 07:55:12 EDT 2009 | davef
TOMBSTONING OF 0402 AND 0201 COMPONENTS: "A STUDY EXAMINING THE EFFECTS OF VARIOUS PROCESS AND DESIGN PARAMETERS ON ULTRA-SMALL PASSIVE DEVICES" Michael Yuen, Heather Benedict, Kris Havlovitz, and Tim Pitsch, Plexus Electronic Assembly Corporation, N
Electronics Forum | Fri May 12 16:17:30 EDT 2000 | Greenman
Yeah, 0201's are real buggers to deal with, as the components are about the same dimensions as the PWB tolerances. Probably a good start is the paper I did with Plexus Corp., available on www.plexus.com, under the "In the News" heading. Headlines: -
Electronics Forum | Wed Dec 22 09:56:12 EST 2004 | davef
For BGA: http://www.smta.org/knowledge/proceedings_abstract.cfm?PROCEEDING_ID=731 For 0402: http://www.xs4all.nl/~tersted/PDF_files/Plexus/tombstoning.pdf
Electronics Forum | Fri May 12 05:47:18 EDT 2000 | Wolfgang Busko
Just another thing to look at: Look in the archives of IPCs technet. There I found this interesting this interesting link http://www.plexus.com/In_The_News/Papers/papers.html and an interesting article (in PDF format) about "tombstoning of 0402's a
Electronics Forum | Fri Apr 24 10:21:57 EDT 2009 | ratsalad
I haven't seen those names in a while. I used to work with them; the ones from Plexus anyway. That must be from about 2000 or 2001, I think that's about when Michael Yuen left the company. I haven't read through this yet, but Mr. Yuen is a very sh
Electronics Forum | Tue Nov 10 15:01:50 EST 2009 | rgduval
Check out this paper: http://www.xs4all.nl/~tersted/PDF_files/Plexus/tombstoning.pdf You can also search the SMTnet archives for more information. If you're tombstones are random as you describe, likely the problem is not with the profile; but som
Electronics Forum | Wed Feb 10 22:32:22 EST 2010 | davef
"Because of the rapid curing features of this product, large amounts of heat are generated when large masses of material are mixed at one time."[ITW Plexus MA310 TDS] Questions are: * Have you looked at the exotherm curve for this stuff? * Can the c
Electronics Forum | Mon May 22 10:43:05 EDT 2000 | TMV
The SMT LAB at Universal Instruments Corp. has presented a paper entitled "Process parameters optimization for mass reflow of 02\01 components" at APEX 2000. If you weren't able to attend, an excerpt is available at www.UIC.com, under the AUTOMATION
