STATISTICS
DECISION
TREE
2.
COMPARISONOFMETHODS
STATISTICAL
ERRORPROPAGATION
SD O
EXAMPLE-A CASESTUDY
ECONDCASESTUDY
-
Model:
Process Factors:
STATISTICSDECISIONTREE
2.
3.
4.
YSM[TM]1.34 C...
OPTIONS FOR ENTERING REGRESSION EQUATIONS.
NITRIDE CAPACITOR
SELECT THE SURFACE TO VIEW.
SELECT THE SURFACE TO VIEW.
CLICK ON "VIEW INDIVIDUAL YIELD SURFACE"..
OPTIMUM OPERATING POINT WITH GIVEN LIMITS AND DISTRIBNS:
BEST CPK OBTAINED:1.519854
BEST YIELD OBTAINED:99.99974%
THIS CPK IS OBTAINED AT:
NPN BETA = 487.5
AND IMPL SR = 1700
OPTIMUM OPERATING POINT WITH GIVEN LIMITS AND DISTRIBNS:
BEST CPK OBTAINED:1.519854
BEST YIELD OBTAINED:99.99974%
THIS CPK IS OBTAINED AT:
NPN BETA = 487.5
AND IMPL SR = 1700
SPEC LIMIT RECOMMENDATIONS
ENTER NUMBER OF SIGMAS (DEFAULTS TO 6):?
SOFT START T
REGULATION V
LAMP RATIO
100 - 200
13.5 - 15.5
1.08 - 1.19
99.038 - 201.363
14.267 - 15.038
1.127 - 1.134
36.21 - 48.573
HIT [ENTER] TO CONTINUE
ENTER NUMBER OF RESPONSE VARIABLES:4
RESISTOR EXAMPLE
FIGURE 2. INFORMATION FOR RESISTOR EXAMPLE
RESISTOR EXAMPLE
ENTER NUMBER OF RESPONSE VARIABLES:2
UPPER
2
PROCESSINFORMATION for LENGTH
ENTER PROCESS MEAN:
2
ENTER PROCESS STANDARD DEVIATION:
.01
PLOTTINGINFORMATION for LENGTH
PROCESSINFORMATION for RADIUS
ENTER PROCESS MEAN:
.5
ENTER PROCESS STANDARD DEVIATION:
PLOTTINGINFORMATION for RADIUS
For Response:RESISTOR
USING AN EQUATION OF THE FORM:
Y = A+B * LENGTH+C * RADIUS
+D * LENGTH^2+E * RADIUS^2+F *LENGTH * RADIUS
ENTERA:3068
ENTERB:-12266
ENTERC:1529
ENTERD:12259
ENTERE:.01
ENTERF:-2039
For Response:WEIGHT
USING AN EQUATION OF THE FORM:
Y = A+B * LENGTH+C * RADIUS
+D * LENGTH^2+E * RADIUS^2+F *LENGTH * RADIUS
ENTERA:1.57
ENTERB:-6.28
ENTERC:-.785
ENTERD:6.28
ENTERE:0
ENTERF:3.14
SELECT THE SURFACE TO VIEW.