Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

Topic Posted by: Reliability & Maintainability Forum (src_forum@alionscience.com )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998

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Original Message:

Posted by: Sing Tay (stay@idt.com )
Organization:IDT
Date posted: Tue Apr 18 19:35:39 US/Eastern 2000
Subject: FIT rates, Temp and voltage acceleration factors in semiconductor devices
Message:
I just recently joined reliability engineering in this company and there have been discussions going on in trying to reduce BI or going to no-BI on some devices. I just want to find out from anybody out there who knows more about Temp and Voltage acceleration factors, how activation energies and beta values affect Temp and Voltage acceleration respectively. A more specific question would be do other companies set a generalized activation energy across all technology within the company or work is done to characterize the beta and Ea for each technology. Also, does anybody know how to design experiments to calculate these two parameters, or maybe can provide guidance to certain papers or books? Any feedback will be greatly appreciated. Please send an email to stay@idt.com Thanks!

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