Page 264 - Lean six sigma demystified

242 Lean Six Sigma DemystifieD

Histogram

LS 200.0 Mod 265.0 US 346.0
40.0
Mean 264.5 Cp 0.7
Media 265.0 Cpk 0.7
35.0 Pp 0.8
Ppk 0.7
Cp 0.7
30.0 Stde 31.8
Ma 346.0
Mi 176.0
25.0
Zbenc 1.9
Cpk 0.8
Number 20.0 ZTarge 0.7
CpkL
0.0
% Defect 3.0%
15.0 % Expecte 2.7%
PPM 30000.0
Expecte 26710.4
10.0
5.0

0.0
163.0 to 181.5 to 200.0 to 218.5 to 237.0 to 255.5 to 274.0 to 292.5 to 311.0 to 329.5 to 348.0 to
181.5 200.0 218.5 237.0 255.5 274.0 292.5 311.0 329.5 348.0 366.5
Values
FIgure 7-9 • Histogram with nonconforming parts.

Wafer strength

LS 1.0000 US 2.0000
30.0000 Mea 1.5056 Cp 1.1921
Media 1.5064 Cpk 1.1787
Pp 1.2509
25.0000 Pp 1.2369
Cp 1.2498
Stde 0.1332
Mi 1.1839
20.0000 Ma 1.8662
Zbenc 3.5716
Cpk 1.1787
Number 15.0000 ZTarge 0.0067
Cpk 1.2054
%Defect 0.0%
10.0000 %Expecte 0.0%
PP 0.0000
Expecte 177.2441
5.0000

0.0000
0.9320 1.0000 1.0680 1.1360 1.2040 1.2720 1.3400 1.4080 1.4760 1.5440 1.6120 1.6800 1.7480 1.8160 1.8840 1.9520 2.0200
to to to to to to to to to to to to to to to to to
1.0000 1.0680 1.1360 1.2040 1.2720 1.3400 1.4080 1.4760 1.5440 1.6120 1.6800 1.7480 1.8160 1.8840 1.9520 2.0200 2.0880
Values
FIgure 7-10 • Histogram with conforming parts.