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:
Aug. 17, 2004

Filed:

Jan. 29, 2003
Applicant:
Inventors:

Isao Nagaoki, Hitachinaka, JP;

Hiroyuki Kobayashi, Mito, JP;

Takafumi Yotsuji, Hitachinaka, JP;

Toshiyuki Ohyagi, Mito, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 3/726 ;
U.S. Cl.
CPC ...
H01J 3/726 ;
Abstract

Automatically corrected is a movement of a field of view caused upon changing a magnification. A field of view is searched for with a first magnification. A sample stage coordinate of a designated subject of recording is computed, for storage, on a transmission electron beam image of a sample displayed on an image display section. A subject-of-recording image is cut out of the transmission electron beam image of the sample in the first magnification and stored as a first image. The magnification of the transmission electron microscope is set to a magnification twice a magnification in the recording mode, to move the sample stage to the stored sample stage coordinate of the subject of recording. The transmission electron beam image in the second magnification is captured with the same number of pixels as the first image to compute a movement amount of between the two images from a correlation intensity of the first and second images. Then, the transmission electron beam image in the second magnification is corrected in position with respect to imaging means such that the movement amount is zero, to store an obtained transmission electron beam image (S ).


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