Patent ID: 7259832
Filing Date: 2007-08-21
Classification: G03F,H01F,H02K,H02N

Abstract:
1. A lithographic apparatus comprising: (a) an illumination system configured to condition a beam of radiation; (b) a support structure configured to support a patterning device, the patterning device serving to impart the beam of radiation with a pattern in its cross-section; (c) a substrate table configured to hold a substrate; (d) a projection system configured to project the patterned beam of radiation onto a target portion of the substrate, and (e) an actuator configured to position a first part of the lithographic apparatus relative to a second part of the apparatus in a first direction, the actuator comprising: wherein said at least two coils are spaced apart in said first direction so as to define a space between them in which said permanent magnet of said first assembly is at least partly located.