Optics: measuring and testing – Position or displacement – Position transverse to viewing axis
Reexamination Certificate
2009-01-28
2011-10-25
Toatley, Gregory J (Department: 2877)
Optics: measuring and testing
Position or displacement
Position transverse to viewing axis
C356S603000, C356S400000, C356S622000, C702S081000, C702S083000
Reexamination Certificate
active
08045184
ABSTRACT:
A method for making a sample for evaluation of laser irradiation position and evaluating the sample, and an apparatus which is switchable between a first mode of modification of semiconductor and a second mode of making and evaluating the sample. Specifically, a sample is made by irradiating a semiconductor substrate for evaluation with a pulse laser beam while the semiconductor substrate is moved for evaluation at an evaluation speed higher than a modifying treatment speed, each relative positional information between pulse-irradiated regions in the sample is extracted, and stability of the each relative positional information between pulse-irradiated regions is evaluated. The evaluation speed is such a speed that separates the pulse-irradiated regions on the sample from each other in a moving direction.
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Kawakami Ryusuke
Masaki Miyuki
Alli Iyabo S
Husch & Blackwell LLP
Semiconductor Energy Laboratory Co,. Ltd.
Toatley Gregory J
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