CROSS-SECTION PROCESSING-AND-OBSERVATION METHOD AND CROSS-SECTION PROCESSING-AND-OBSERVATION APPARATUS
First Claim
1. A cross-section processing-and-observation method comprising:
- a cross-section exposure step of irradiating a sample with a focused ion beam to expose a cross-section of the sample;
a cross-sectional image acquisition step of irradiating the cross-section with an electron beam to acquire a cross-sectional image of the cross-section; and
a step of repeatedly performing the cross-section exposure step and the cross-sectional image acquisition step along a predetermined direction of the sample at a setting interval to acquire a plurality of cross-sectional images of the sample,wherein in the cross-sectional image acquisition step, a cross-sectional image is acquired under different condition settings for a plurality of regions of the cross-section.
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Abstract
A cross-section processing-and-observation method includes: a cross-section exposure step of irradiating a sample with a focused ion beam to expose a cross-section of the sample; a cross-sectional image acquisition step of irradiating the cross-section with an electron beam to acquire a cross-sectional image of the cross-section; and a step of repeatedly performing the cross-section exposure step and the cross-sectional image acquisition step along a predetermined direction of the sample at a setting interval to acquire a plurality of cross-sectional images of the sample. In the cross-sectional image acquisition step, a cross-sectional image is acquired under different condition settings for a plurality of regions of the cross-section.
15 Citations
18 Claims
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1. A cross-section processing-and-observation method comprising:
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a cross-section exposure step of irradiating a sample with a focused ion beam to expose a cross-section of the sample; a cross-sectional image acquisition step of irradiating the cross-section with an electron beam to acquire a cross-sectional image of the cross-section; and a step of repeatedly performing the cross-section exposure step and the cross-sectional image acquisition step along a predetermined direction of the sample at a setting interval to acquire a plurality of cross-sectional images of the sample, wherein in the cross-sectional image acquisition step, a cross-sectional image is acquired under different condition settings for a plurality of regions of the cross-section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A cross-section processing-and-observation apparatus comprising:
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a sample stage on which a sample is to be placed; a focused ion beam column configured to irradiate the sample with a focused ion beam; an electron beam column configured to irradiate the sample with an electron beam; one of a secondary electron detector and a backscattered electron detector configured to detect one of secondary electrons and backscattered electrons generated from the sample; and a control unit configured to repeatedly perform a cross-section exposure step in which the sample is irradiated with a focused ion beam emitted from the focused ion beam to expose a cross-section of the sample, and a cross-sectional image acquisition step in which the cross-section is irradiated with an electron beam emitted from the electron beam column to acquire a cross-sectional image of the cross-section, along a predetermined direction of the sample at a setting interval to acquire a cross-sectional image under different conditions for a plurality of regions of the cross-section in the cross-sectional image acquisition step. - View Dependent Claims (16, 17, 18)
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Specification