Electronics Forum | Fri Apr 24 20:33:06 EDT 1998 | D.Lange
| Looking for anyone who has experience with high temperature soldering. Need to determine why solder joints are failing. Thermocycling of unit is -40C to +140C, 30 minute dwell time, 10 sec. transition time | Your help is appreciated | Ed Holton |
Electronics Forum | Fri Jan 04 09:44:59 EST 2008 | philkaz
Hello, I am Philip Kazmierowicz and I work with KIC, a Thermal Profiling company. We have done many lifetime experiments on Printed Circuit Boards over the years. The key thing to understand is that if the primary material of the board in FR4 fiber
Electronics Forum | Mon Dec 24 19:12:06 EST 2007 | adamben10
I'm shadowing an old posting posted by Odor back in March 2002. Any Expert out there, if you have good answer to the below questions, please dive in...Thanks in advance. 1) Does anybody have done the profiling board life time experiment? 2) The prof
Electronics Forum | Tue Dec 19 07:58:29 EST 2006 | ccgooi
Our company is assembly flip chip on flex, we have new design of flip chip which die temperature will increase until 145 degree C after test run the end product, however the Tg,glass transition temperature is 148. Will this case causing any reliabil
Electronics Forum | Wed Jan 07 17:34:52 EST 2015 | duchoang
Customer puts our board to thermal test. Test cycle is -55c to 85c, repeat cycle in 15-20min. After 600 cycles, lot of TSOP joints are cracked, leads lifted. There are reasons such as thin PCB, mechanical impacts, warped PCB... My question is, how lo
Electronics Forum | Wed Jul 20 07:11:34 EDT 2005 | davef
SM-785 - Guidelines For Accelerated Reliability Testing Of SM Solder Attachments What is the goal of this temperature testing?
Electronics Forum | Wed Jul 20 01:44:51 EDT 2005 | Ron
Hello!! Where can I find some materials and information about temperature testing?? We have a new temperature testing chamber and i would like to know how fast product will cool down and after that how soon can I put this product to high temperature
Electronics Forum | Wed Jul 06 02:37:17 EDT 2005 | Dave
Hi, From where can I get information / Web links about temperature testing.. I mean that what is a products right heating and cooling down time??
Electronics Forum | Wed Jul 06 07:58:23 EDT 2005 | davef
Most component fabricators provide this information on their component data sheets.
Electronics Forum | Wed Jun 23 13:56:56 EDT 1999 | Stan Frul
Hi Could anyone tell me where i can find information, in the literature or on the Web, concerning measurements of temperature distribution, expansion, stresses in the substrate and heat sink and on the interface between them, that is all the range of
