charge, Qax are cleaning steps and the test location on the wafer where the charge was measured. The results summarized in Table 5. Table 5 Test Location Oxide Charge, Qox Cleaning Method Right (R) Left (L) (x 10" q/cm?) L 1.66 R 1.62 1.90 Complete Spin-Rinse-Dry R 1.84 1.92

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In an experiment to investigate oxide charge, Qax on a silicon wafer. The factors thought to induce oxide
charge, Qax are cleaning steps and the test location on the wafer where the charge was measured. The
results summarized in Table 5.
Table 5
Test Location
Oxide Charge, Qox
Cleaning Method
Right (R)
Left (L)
(x 10" q/cm?)
1.66
R
1.62
1.90
Complete
Spin-Rinse-Dry
1.84
1.92
R
1.84
L.
-4.21
R
-7.58
-1.35
By pass Rinse
Cycle
R
-2.20
-2.08
R
-5.36
Evaluate the significance of each factor using t-test. Show formulas and calculation steps of the
statistical analysis method.
Transcribed Image Text:In an experiment to investigate oxide charge, Qax on a silicon wafer. The factors thought to induce oxide charge, Qax are cleaning steps and the test location on the wafer where the charge was measured. The results summarized in Table 5. Table 5 Test Location Oxide Charge, Qox Cleaning Method Right (R) Left (L) (x 10" q/cm?) 1.66 R 1.62 1.90 Complete Spin-Rinse-Dry 1.84 1.92 R 1.84 L. -4.21 R -7.58 -1.35 By pass Rinse Cycle R -2.20 -2.08 R -5.36 Evaluate the significance of each factor using t-test. Show formulas and calculation steps of the statistical analysis method.
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