Critical time of the lognormal distribution

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3 Scopus citations


The critical time is the time point as the failure rate starts to decrease and also as the mean residual lifetime starts to increase. The estimated critical time is useful for determining the duration of a burn-in process. The method for estimating the critical time of the failure rate for lognormal lifetime distribution is discussed. A single time censored data is used as a example for illustration.

Original languageEnglish
Pages (from-to)261-266
Number of pages6
JournalMicroelectronics Reliability
Issue number2
StatePublished - Feb 1994


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