JEP143A可靠性評估方法﹐希望熟悉這個方法的朋友一起討論下﹗
JEP143A可靠性評估方法

sunjj
Lv.4
靓号:116
JEP143B.01 SOLIDSTATERELIABILITYASSESSMENTQUALIFICATIONMETHODOLOGIES
已经更新为B.01版本.
JEP143B.01
(RevisionofJEP143B,April2008)
[quote][b]Introduction[/b]
Reliabilityisameasureoftheabilityofasolidstateproducttocontinuetomeetdatasheetspecifications
overtime.Inanypopulationofsolidstateproductsthereisarangeinthetimetofailure,whichisthetime-to-failure
distribution.Sincethetypicaltime-to-failuredistributionwillhaveacentralcharacteristicintheorderof
hundredsorthousandsofyears,meansmustbederivedtoassessthetime-to-failuredistributioninrealtime.
Failuremechanismmodelsprovideaphysicalandmathematicalrepresentationofhowthetime-to-failure
distributionwillchangebychangingsomefactor.
[b]Reliabilityassessmentandqualificationsystemsconsistofthefollowing:[/b]
a)alistofapplicablefailuremodes,failuremechanisms,failurekinetics,andcauses;
b)afailuremodel,includingasappropriatethevalidityandcorrectnessofthemodel;
c)ameanstoacceleratethefailureprocess;
d)alistofcriteriafortheacceptabilityofthefailurerates;
e)thedefinitionsand/orcriteriaforafailure,e.g.,whenisadeviationafailure.
Reliabilityassessmentsystemsprovideeconomicbenefitforbothmanufacturersandusers.Manufacturers
canquantifythereliabilityoftheirproductsinordertounderstandwarrantyandothercostsassociated
withpotentialreliabilityfailures.Userscanestimatethereliabilityofsystemsusingsolidstateproductsin
ordertoquantifycostsassociatedwithsystemoperationorfailures.[/quote]
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jerry-yin3003
Lv.2
太謝謝了﹗不知道都改變了那些內容﹐下來看看。
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