Defect review using image segmentation
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United States of America Patent
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Sep 7, 2010
Grant Date -
N/A
app pub date -
Feb 22, 2010
filing date -
May 25, 2006
priority date (Note) -
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Abstract
One embodiment pertains to a method for reviewing a potential defect on a substrate from one electron image. An image of an area containing the potential defect is obtained using a charged-particle apparatus. At least three image segments within the image are determined. The three segments are transformably identical to each other, and one of said three segments includes the potential defect. Another embodiment pertains to a method for reviewing a potential defect on a substrate by obtaining an electron-beam image of a relatively large field of view containing a first image segment. The first image segment is substantially smaller than the field of view and includes a location of the potential defect. A comparison image segment within the field of view is determined. The comparison image segment is transformably identical to the first image segment. Other embodiments and features are also disclosed.
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