Process Sigma

  • Very sensitive indicator
  • Focuses on defects
  • Distribution shifted +/- 1.5 sigma
PercentDPMOSigma
93%66,8073.0
98%22,7503.5
99%6,2104.0
99.87%1,3504.5
99.977%2335.0
99.9997%3.46.0