Radiation imagery chemistry: process – composition – or product th – Including control feature responsive to a test or measurement
Reexamination Certificate
2011-06-07
2011-06-07
Young, Christopher G (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Including control feature responsive to a test or measurement
Reexamination Certificate
active
07955765
ABSTRACT:
An adjustment method for adjusting an illumination condition in illuminating an original plate using an illumination optical system and projecting an image of a pattern formed on the original plate onto a substrate through a projection optical system includes measuring a polarization state of light that has passed through the illumination optical system, the original plate, and the projection optical system in a state where the original plate is located on an object plane of the projection optical system, and adjusting the polarization state based on the measured polarization state.
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Canon Kabushiki Kaisha
Canon USA Inc. IP Division
Young Christopher G
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