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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: Steven Lu (steven.lu@baesystems.com )
Organization:BAE Systems
Date posted: Mon Oct 7 17:18:56 US/Eastern 2002
Subject: Pressure Sensor MTBF
Message:
I'm working on MTBF prediction on a pressure sensor that the vendor didn't have test data to support reliability prediction. The pressure sensor is a piezoresistive pressure sensor chip attached to a ceramic substrate. The sensor has four thick film resistors laser trimed on ceramic forming a Wheatston bridge. Any help on how to calculate MTBF will be very appreciated.


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Reply:

Subject: MTBF
Reply Posted by: vincent (vcasale@aeroflex.com )
Date Posted: Wed Oct 9 10:28:43 US/Eastern 2002
Message:
try using Relex SOftware and make the MTBF prediction as a hybrid...It should work very nicely


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