vince1981 发表于 2007-8-8 13:56:54

led reliability prediction

MTBFFORDISCRETELEDSANDPHOTODIODES

ThecalculationofMeanTimeBetweenFailure(MTBF)isoftenrequiredasanaidinpredictingthereliabilityofelectronicequipmentunderdifferentoperatingconditions.
ThevalueofMTBFforacomponentisbaseduponfailure-ratemodelswhichhavebeendevelopedinconjunctionwithMIL-HDBK-217E.TheMTBFisnotaguaranteeofuseableproductlifetime,butisaguideforplanningtheoperationaluseoftheequipment.Theaccuracyofthevaluescalculatedisdependentuponthevalidityofthemodels.Also,thevalueschosenfortheoperatingparametersmustberepresentativeoftheoperatingparametersduringactualuse

Inthecaseoffiberopticdatacommunicationequipment,anareaofprimaryconcernistheMTBFvaluesforthediscreteLightEmittingDiodes(LEDs)andphotodiodesusedinthefiberoptictransmittersandreceivers.ThedeterminationofthepredictedMTBFforanLEDor
photodiodeisacalculationusingthepartfailure-ratemodelforoptoelectronicdevicesasfoundinsection5.1.3.10ofMIL-HDBK-217E.

cliffcrag 发表于 2007-8-8 14:18:30

LED

不错,多谢vince1981的分享。

坛内几个搞LED可靠性朋友可能比较需要看看。



LED

imvz 发表于 2007-8-8 14:50:08

vince1981看得出对LED可靠性研究很深。多向你学习。。。

vince1981 发表于 2007-8-8 15:05:02

文章我也是转载而已。led看似简单,但也是半导体器件,想很有研究不是一朝一夕的事,我也是接触到皮毛而已,所以大家相互学习。

fancy 发表于 2007-8-9 11:39:03

vince,不错呀!继续努力!盼望有自己的文章出来了。

vince1981 发表于 2007-8-9 11:55:56

一定好好努力不辜负科长的期望,呵呵

robert928 发表于 2007-8-9 11:57:53

原帖由vince1981于2007-8-911:55发表http://www.kekaoxing.com/club/images/common/back.gif
一定好好努力不辜负科长的期望,呵呵

科长??:lol强啊!欢迎常来中国可靠性论坛做客!:victory:

tmbob 发表于 2007-9-1 21:43:11

强人!

flying_yuanyang 发表于 2007-9-26 22:28:01

谢谢分享,最近在研究sld的可靠性问题,希望能从led上找些需要的东东。

xn_juan 发表于 2007-9-27 11:03:14

55

这些好DD我怎么都看不到列!
呵呵

要是有时间发到我的油箱!

谢谢了~
xn_juan@sogou.com
页: [1] 2
查看完整版本: led reliability prediction