Forum: Reliability & Maintainability Questions and Answers

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Posted by: Dave Strobel (dstrobel@nxgenelect.com )
Organization:NxGen Electronics
Date posted: Mon Jan 27 14:00:14 US/Eastern 2003
Subject: FRAM reliability data
Message:
I am seeking recent reliability data on FRAM devices, from any supplier, Preferrably on 256Kbit density ICs.

Replies:
FRAM Reliability
B.W.Dudley Mon Feb 17 14:10:02 US/Eastern 2003

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Posted by: N.Laxman (nlaxman@cgl.co.in )
Organization:CGL
Date posted: Mon Jan 27 3:28:20 US/Eastern 2003
Subject: Reliability Index
Message:
How to arrive at a reliability index based on Field Complaint data ???
I have the basic data's as below. 1. Field complaint data with respect to manufacturing period. 2. Failure modewise data's

Replies: (list all replies)
Field reliability
Larry George Mon Jan 27 16:01:10 US/Eastern 2003
failure data
N.Laxman Tue Jan 28 5:22:15 US/Eastern 2003

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Posted by: Esmeralda (ecardoso@telco.ocm )
Date posted: Tue Jan 21 15:42:15 US/Eastern 2003
Subject: Mean Time Between Outage
Message:
How is Mean Time Between Outage(MTBO)calculated? Can it be derived from MTBF?

Replies:
MTBO Formula Link
Joe Dzekevich Thu Jan 23 12:31:46 US/Eastern 2003

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Posted by: John K. (kelsmit@aol.com )
Date posted: Thu Jan 16 22:00:40 US/Eastern 2003
Subject: Reliability Growth
Message:
Ok- I have a test project with five units to test. The units will accumulate hours in test at different rates (I have to share with design engineering - I break it, they fix it). If my first cumulative MTBF calculation is 200 hours (1000 hrs total/ 5 failures), What amount of time do I need before I should run another calculation? Is there some statistics or rational to support a minimum amount of time?
Is there a better way to report or calculate reliability? All I have is MS Excel. Thank you - John

Replies:
Test Time
Jorge Romeu Mon Jan 27 14:19:08 US/Eastern 2003

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Posted by: hansen (olivier.hansen@d2m-ing.com )
Organization:D2M
Date posted: Thu Jan 16 2:44:19 US/Eastern 2003
Subject: maintainability
Message:
could somebody explain me why when I put preventive maintenance on components, the subsytem (where the components are) doesn't show me expected NOF
thanks for your help

Replies:
Failure Reduction
J. L. Romeu Tue Jan 28 13:54:39 US/Eastern 2003

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