The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 08, 2011

Filed:

Oct. 03, 2008
Applicant:

Tsuyoshi Ohnishi, Hitachinaka, JP;

Inventor:

Tsuyoshi Ohnishi, Hitachinaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/304 (2006.01);
U.S. Cl.
CPC ...
Abstract

When a sample includes repeated cells, a scale pattern corresponding to the repeated cells is generated. Next, the scale pattern generated is superimposed on the image of the repeated cells of the sample, thereby identifying a destination cell. Moreover, disposition of the repeated cells of the sample is determined based on positions of at least three ends of the repeated cells. Then, the position of the destination cell is identified from this disposition of the repeated cells. Furthermore, a zoom image is generated by a combination of a zoom based on beam deflection function and a zoom based on software. Then, the image shift is performed by software without displacing a sample stage.


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