Optics: measuring and testing – By polarized light examination
Reexamination Certificate
2011-08-02
2011-08-02
Punnoose, Roy (Department: 2886)
Optics: measuring and testing
By polarized light examination
Reexamination Certificate
active
07990534
ABSTRACT:
An improved procedure for calibrating the azimuth angle in a metrology module for use in a metrology system that is used for measuring a target on a wafer, and the metrology modules can include oblique Spectroscopic Ellipsometry (SE) and unpolarized or polarized spectroscopic reflectometer devices.
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Punnoose Roy
Tokyo Electron Limited
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