Patent ID: 7382440

Claim:
A lithographic apparatus comprising: an illumination system constructed and arranged to condition radiation; a support constructed and arranged to support a patterning device, the patterning device being configured to impart the radiation with a pattern in its cross-section; a substrate table constructed and arranged to hold a substrate; a projection system constructed and arranged to project the patterned radiation onto a target portion of the substrate; and a transporter constructed and arranged to move the substrate relative to the patterning device or the patterning device relative to the substrate, the transporter comprising a beam, a driver, and a slide, the slide being supported by the beam, and the driver being disposed to move the slide relative to the beam in a transport direction, wherein the beam has an interior having a concave interior surface transverse to the transport direction, and the slide is at least partially enclosed in the interior of the beam and is supported against the concave interior surface in at least two directions transverse to the transport direction.