Forum: Reliability & Maintainability Questions and Answers
Posted by: John Sine (john.sine@us.jdsunph.com ) Organization:JDS Uniphase Date posted: Fri Aug 18 11:24:55 US/Eastern 2000 Subject: First Year Multiplier Message: Can someone explain what the first year muliplier (per Bellcore) means and does each and every device/unit need to go through the burn-in time and temperature or can this be obtained by only running a qualification sample size at a burn-in temperature for the specific duration? If so, how big must the sample size be or is that defined anywhere?
Posted by: R.RADHIKA (cfr@vsnl.com ) Organization:Centre For Reliability, Chennai, India Date posted: Fri Aug 18 6:50:52 US/Eastern 2000 Subject: SOFTWARE RELIABILITY Message: Are commercial companies applying software reliability models for their products? Which model is popular. Can somebody suggest a good reference materials/book on the latest development on the various models.
Posted by: ANIL KUMAR (cfr@vsnl.com ) Organization:Centre For Reliability, Chennai, India Date posted: Fri Aug 18 6:41:37 US/Eastern 2000 Subject: ASQ-CRE Message: Are Study guides for ASQ-CRE Exam available? Please inform the sources for procurement. What are the job opportunities for an ASQ-CRE in United States?
Posted by: P. K. RAO (cfr@vsnl.com ) Organization:Centre For Reliability, Chennai, India Date posted: Fri Aug 18 6:31:30 US/Eastern 2000 Subject: RACRates Message: In the light of MIL STDs and HDBKs getting obsolete can somebody suggest the best HDBK/Procedure for commercial products Reliability Prediction. Thanks in advance.
Posted by: Kang Zhang Date posted: Wed Aug 16 17:01:48 US/Eastern 2000 Subject: Mechanical Relay; failure mode percentages for Mechanical portions Message: Does someone know the percentage of breakdowns for mechnical failures of relays. i.e. something beyond just open and short? Specifically how often the contacts and reed would fail versus how often the coil itself would fail. Thanks in advance! Kang
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