合格率Yield(%) | 次品于一百萬(wàn)分之機(jī)會(huì) DPMO(Defect per Million Opportunities) | Sigma | 流行年代 Quality Standards accepted in Periods |
6.68 | 933200 | 0 | |
8.455 | 915450 | 0.125 | |
10.56 | 894400 | 0.25 | |
13.03 | 869700 | 0.375 | |
15.87 | 841300 | 0.5 | |
19.08 | 809200 | 0.625 | |
22.66 | 773400 | 0.75 | |
26.595 | 734050 | 0.875 | |
30.85 | 691500 | 1 | |
35.435 | 645650 | 1.125 | |
40.13 | 598700 | 1.25 | |
45.025 | 549750 | 1.375 | |
50 | 500000 | 1.5 | |
54.975 | 450250 | 1.625 | |
59.87 | 401300 | 1.75 | |
64.565 | 354350 | 1.875 | |
69.15 | 308500 | 2 | 1970s |
73.405 | 265950 | 2.125 | |
77.34 | 226600 | 2.25 | |
80.92 | 190800 | 2.375 | |
84.13 | 158700 | 2.5 | |
86.97 | 130300 | 2.625 | |
89.44 | 105600 | 2.75 | |
91.545 | 84550 | 2.875 | |
93.32 | 66800 | 3 | 1980s |
94.79 | 52100 | 3.125 | |
95.99 | 40100 | 3.25 | |
96.96 | 30400 | 3.375 | |
97.73 | 22700 | 3.5 | |
98.32 | 16800 | 3.625 | |
98.78 | 12200 | 3.75 | |
99.12 | 8800 | 3.875 | |
99.38 | 6200 | 4 | Early 1990s |
99.565 | 4350 | 4.125 | |
99.7 | 3000 | 4.25 | |
99.795 | 2050 | 4.375 | |
99.87 | 1300 | 4.5 | |
99.91 | 900 | 4.625 | |
99.94 | 600 | 4.75 | |
99.96 | 400 | 4.875 | |
99.977 | 230 | 5 | Mid 1990s |
99.982 | 180 | 5.125 | |
99.987 | 130 | 5.25 | |
99.992 | 80 | 5.375 | |
99.997 | 30 | 5.5 | |
99.99767 | 23.35 | 5.625 | |
99.99833 | 16.7 | 5.75 | |
99.999 | 10.05 | 5.875 | |
99.99966 | 3.4 | 6 | 2000s |
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