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发表于 2007-12-3 20:13:38
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原帖由xyxiang1982715于2007-8-1012:50发表
可以介绍下“burnin”吗?不懂,请具体解释下好吗?
谢谢!
Theburn-intestisperformedforthepurposeofscreeningoreliminatingmarginaldevices,thosewith
inherentdefectsordefectsresultingfrommanufacturingaberrationswhichcausetimeandstressdependentfailures.Intheabsenceofburn-in,thesedefectivedeviceswouldbeexpectedtoresultininfantmortalityorearlylifetimefailuresunderuseconditions.Therefore,itistheintentofthisscreentostressmicrocircuitsatorabovemaximumratedoperatingconditionsortoapplyequivalentscreeningconditions,whichwillrevealtimeandstressdependentfailuremodeswithequalorgreatersensitivity.
详见MIL-STD-883FMETHOD1015.9BURN-INTEST
MIL-STD-883F下载地址:
http://www.kekaoxing.com/club/thread-1923-1-1.html |
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