Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Reexamination Certificate
2007-06-20
2010-06-29
Verbitsky, Gail (Department: 2855)
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
C374S167000, C374S141000, C438S308000
Reexamination Certificate
active
07744274
ABSTRACT:
Provided is an apparatus for substrate processing. The apparatus may include a radiation source emitting a photonic beam, an optical system to form a beam image, a scanning stage, a temperature monitoring means, an output signal generator that compares the monitored temperature with a preset temperature, and a controller coupled to the radiation source and the stage. The stage may be adapted to scan the substrate so the beam image heats a region of the substrate surface, and the temperature monitoring means may collect and analyzes p-polarized radiation of at least three different spectral regions emitted from one or more places on the heated substrate region. The controller in response to a temperature error signal may be programmed to alter the beam intensity and/or to provide changes in the scanning velocity between the stage and the beam. Other apparatuses and temperature monitoring systems are provided as well.
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Grek Boris
Markle David A.
Weitzel Michael
Jones Allston L.
Peters Verny LLP
Ultratech, Inc.
Verbitsky Gail
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