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Board Talk
At Board Talk, the Assembly Brothers cut through the marketing hype, the platitudes and incompetent un-scientific baloney with a search for the truth.
This episode features:
Phil Zarrow, ITM ConsultingPhil has been involved with hybrid and PCB assembly for more than 30 years including equipment design for pcb fab and assembly. 
Jim Hall, ITM ConsultingJim has a wealth of knowledge in soldering and thermal technology, equipment and process basics and is a pioneer in the science of reflow technology. |
Thermocouple Attachment Review
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Comments and Questions Here are the results of the RIT study in a nutshell. The results confirm much of what Phil and Jim have been saying. I was somewhat surprised that aluminum tape clearly beat out Kapton "thermally" aside from the obviously problem a TC has staying in place with Kapton as we all know when we see saw tooth zig-zagging of TC readings. I was really surprised high temp solder performed so poorly! After this study I don't really see a situation where it should ever be used? Supporting evidence can be found at the following link ahead of a formal publishing of the data. http://profilingguru.com/reflow/measure/thermocouple-attachment-results-are-in/ Brian O'Leary KIC Hey guys, great response to your earlier session. I posted on my blog comments to this discussion at: http://profilingguru.com/reflow/measure/thermocouple-attachment-discussion/ I have a link to a conference paper that studied all of these different materials for TC attachment, included in the blog, but it is 10 years old. Currently RIT is reconducting a similar study to test if our findings are still up-to-date. Hope to have some results by SMTAI. Great stuff again, love it! Hey you guys ever think about a Podcast? Wouldn't mind taking both recordings and adding to my profilingguru podcast. Brian O'Leary KIC |
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