Electronics Forum | Fri Mar 06 08:58:15 EST 2009 | tech1
We are not happy at all about this one. I guess Due Diligence was not a concern when my boss was wined and dined.
Electronics Forum | Tue Mar 03 22:25:46 EST 2009 | fastek
Circuitnet has learned that Universal Instruments is once again under new management. It appears that Francisco Partners has sold the company to Patriarch Partners LLC, a private equity investment firm managed by Lynn Tilton who is the Founder and C
Electronics Forum | Wed Jan 18 11:06:44 EST 2006 | Bjorn Kerkin Durk
Jurkin' derkin jerkin ged-dern twoomb stone is a cornspeerwacy!
Electronics Forum | Wed Jan 18 11:29:34 EST 2006 | Burgandy
Your right on the money there Peter. Steve, over to you!!!!
Electronics Forum | Thu Jan 19 07:58:50 EST 2006 | chunks
Finny dat Darnel. Guess this proves that jerks can cause tombstoning.
Electronics Forum | Wed Jan 18 09:18:49 EST 2006 | samir
I had the same exact problem recently. I did exactly as the gentlemen said, and reduced the B/S zones 20 or so degrees, AND changed to medium convection. I'd like to point out that the B/S components still go liquidous (such is the Physics of convec
Electronics Forum | Tue Jan 17 17:29:42 EST 2006 | pjc
Here's a page on tombstoning: http://www.tkb-4u.com/defects/reflow/tombstoning/tombstoning.php Be sure to see this on the bottom of the page: For more info about this item look at the Articles / Newsletter: (Causes and Cures of Tombstoning Chip C
Electronics Forum | Tue Jan 17 17:41:14 EST 2006 | pms
GEB, The parts that are tombstoning have all ready been through reflow once with no problems, so I assume the paste and the positioning was correct the first time, since they did not tombstone through the first reflow. This is very strange.
Electronics Forum | Wed Jan 18 02:00:36 EST 2006 | pavel_murtishev
Good morning, This isn�t very strange. Bottom side components are prone to tombstoning more than topside ones. Try to reduce oven�s bottom heaters temperature slightly to prevent solder paste melting on bottom side. This can help. BR, Pavel
.png)
