Patent ID: 8658987
Filing Date: 2014-02-25
Classification: H01J,H01L

Abstract:
1. A circuit-pattern inspection device for inspecting a circuit pattern formed on a substrate by obtaining an image of an area for inspection in a swath that is formed virtually by a predetermined width of electron-beam movement and by continuous stage-movement, the circuit-pattern inspection device comprising: a stage for moving the substrate on which the circuit pattern is formed; an electron-beam scanning unit for applying an electron beam over the substrate for scanning; a stage controller for controlling movement of the stage; and a beam scanning controller for controlling the electron-beam scanning unit; wherein an image of any area for inspection that is set within the swath is obtained by employing a combination of an electron-beam-deflection control in a first direction parallel to a direction of the movement of the stage and an electron-beam-deflection control in a second direction intersecting the first direction.