Method and system for scanning an object
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Apr 20, 2016
filing date -
Apr 20, 2016
priority date (Note) -
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Abstract
A method for scanning an object with a charged particle beam, the method may include repeating, for each pair of scan lines out of multiple pairs of scan lines, the stages of: (i) deflecting the charged particle beam along a first direction, thereby scanning the object along a first scan line of the pair of scan lines; (ii) collecting electrons emitted from the object during the scanning of the object along a majority of the first scan line; (iii) deflecting the charged particle beam along a second direction that is normal to the first direction; (iv) deflecting the charged particle beam along a third direction that is opposite to the first direction, thereby scanning the object along a second scan line of the pair of scan lines; (v) collecting electrons emitted from the object during the scanning of the object along a majority of the second scan line; and (vi) deflecting the charged particle beam along the second direction that is normal to the third direction.
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