Charged Particle Beam Apparatus

Charged Particle Beam Apparatus

A charged particle beam apparatus that forms a probe with a charged particle beam and scans a specimen with the probe to acquire a scanning image. The charged particle beam apparatus includes an optical system for scanning the specimen with the probe; a detector that detects a signal generated from...

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Hauptverfasser: Ikita, Konomi, Uchida, Tatsuya, Tsutsumi, Kenichi, Ikeo, Nobuyuki, Yokouchi, Kazushiro
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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creator Ikita, Konomi
Uchida, Tatsuya
Tsutsumi, Kenichi
Ikeo, Nobuyuki
Yokouchi, Kazushiro
description A charged particle beam apparatus that forms a probe with a charged particle beam and scans a specimen with the probe to acquire a scanning image. The charged particle beam apparatus includes an optical system for scanning the specimen with the probe; a detector that detects a signal generated from the specimen through the scanning of the specimen with the probe; and a control unit that controls the optical system. The control unit performs correction processing of acquiring a reference image obtained by the scanning of the specimen with the probe, comparing the reference image to a criterion image to determine a drift amount, and correcting a displacement of an irradiation position with the probe on the specimen based on the drift amount; and processing of setting a frequency with which the correction processing is to be performed based on the drift amount.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
title Charged Particle Beam Apparatus
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