Method of forming a sample image and charged particle beam...

Details Method of forming a sample image and charged particle beam... Method of forming a sample image and charged particle beam...

2007-01-16

2007-01-16

Wells, Nikita (Department: 2881)

Radiant energy

Inspection of solids or liquids by charged particles

Electron probe type

C250S306000, C250S307000

Reexamination Certificate

active

10359236

ABSTRACT:
An object of the present invention is to provide a sample image forming method and a charged particle beam apparatus which are suitable for realizing suppressing of the view area displacement with high accuracy while the influence of charging due to irradiation of the charged particle beam is being suppressed.In order to attain the above object, the present invention provide a method of forming a sample image by scanning a charged particle beam on a sample and forming an image based on secondary signals emitted from the sample, the method comprising the steps of forming a plurality of composite images by superposing a plurality of images obtained by a plurality of scanning times; and forming a further composite image by correcting positional displacements among the plurality of composite images and superposing the plurality of composite images, and a charged particle beam apparatus for realizing the above method.

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