SPC_Quality in the Electronics Industry_Motorola

SK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.ManagingforQualityintheElectronicsIndustrySeanKellyMotorolaInc.SK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.Introduction…WhatisProductQuality?ProductQualityDefectRateReliabilityEaseofUseServiceabilityLookandFeelAvailabilitySK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.Introduction…WhatisProductQuality?ProductQualityDefectRateReliabilityEaseofUseServiceabilityLookandFeelAvailabilityAlloftheseattributescontributetotheoverallqualityexperienceSK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.Introduction•Thispresentationwillexplorethereliability,availabilityanddefectrateattributesofproductquality–Whattheattributesmean–Howtheyaremeasured–HowtheyimpacttheproductperformanceandthecustomerSK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.Introduction•Thispresentationwillalsocoversomeofthemethodsandtoolsthatproductdevelopersandmanufacturersusetoensuredesirablequalityresults.MTBFHASPCDFMMTTRELFALTRedundancySixSigmaSK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.Agenda•Reliability•Availability•Quality(DefectLevel)TimeMonthlyFailureRate0.010.111010010001,00010,000100,0001,000,000MTBFMTTR0.990.9990.99990.999990.999999TotalDefectsPerUnit(TDU)0.000.040.080.120.160.20TimeSK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.Reliability&AvailabilityDefectPreventionandEliminationQualityLifeCycleofaProductUsefulLifeIntegration,Deployment&EarlyLifeSuppliedMaterials&PartsManufactureDesignEndofServiceSK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.ProductReliability•Reliabilityisanexpressionoftheprobabilitythatapartorsystemwillfunctionwithoutfailureinadefinedenvironmentforadesignatedperiodoftime.–Example:ComputersystemXoperatingat25degreesChasa99%likelihoodoffunctioningforayearwithoutfailure.•ReliabilityObjective:DesignandmanufactureproductthatwillcontinuetofunctionwithminimalfailuresfortheintendedlifeoftheproductSK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.ProductReliabilityMetrics•FailureRate–Commonlyexpressedas%permonthor%peryear•MeanTimeBetweenFailures–Reciprocaloffailurerate;Usuallyexpressedinhours•MeanTimeToFailure–Typicallyusedfornon-repairableproductNumberofFailuresUnitsxTime=UnitsxTimeNumberofFailuresMTBF=(TimetoFailure)UnitsMTTF=SK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.ProductReliabilityMetrics-Examples•FailureRate=NumberofFailures=24failures=2.4%peryear(UnitsxTime)1000unitsx1yr•MeanTimeBetweenFailuresMTBF=(UnitsxTime)=1000x8760hrs=365000hoursNumberofFailures24failuresSK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.ProductFailureRateOverTime:EarlyLifeFailuresandtheBathtubCurveTimeMonthlyFailureRateEarlyLifeFailuresSteadyStateWear-outSK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.ProductFailureRateOverTime:EarlyLifeFailuresandtheBathtubCurveTimeMonthlyFailureRateInherentFailureRateLatentDefectsEarlyLifeFailuresSteadyStateWear-outSK09-SEP-2002MotorolaGeneralUse,Kelly_Quality_LHCMOTOROLAandtheStylizedMLogoareregisteredintheUSPatent&TrademarkOffice.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©Motorola,Inc.2002.ProductReturnRateTrendMonthsSinceProductShipment%ReturnedPerMonthEarlyLifeFailuresandPo