backgroundknowledgeofsixsigmappmGeneralideas;History(Case);Benefits;Process;Correspondingcompanies.Thegeneralideaofsixsigma:KeyWords:*Afamousandwidelyusedmanagementphilosophy;*developedbyMotorola;*toreducedefectsinproductsandservices*percentageofpassshouldbeover99.9997%In1981Motorolafacedwithalotofproblems,evenmeetthedangerofbankrupt.Theymustperformbetter,fasterandcheapertofaceuptothecompetitionBeforethereform,Motorola'scorporateleadersweredoingthingswithFourSigma,whichmeansthedefectivepartspermillionwas63,andthepercentageofpasswas99percent.AsSixSigmaprogressed,processorproductshouldachievethe3.4ppmdefectlevelandthepassrateshouldbe99.9997%#50%processcostreduction;#cycle-timeimprovement,;#lesswasteofmaterials;#customersatisfaction;#reliableproductsandservices.Defines;Measures;Analyzes;Improves;Controlsprocesses.1.SixSigmaDMAIC:2.SixSigmaDMADV:Ford;TexasInstruments;Scientific-Atlanta;GeneralElectric;YOUNGASSOCIATES.History&Case;Benefits;Process;Correspondingcompanies.Itisahighlydisciplinedprocessthathelpsusfocusondevelopinganddeliveringnear-perfectproductsandservices.SixSigma是一种规定极为严格的过程,它将帮助我们注重于开发并提供几尽完美的产品和服务。——GE