Patent ID: 6597433
Filing Date: 2003-07-22
Classification: G03F

Abstract:
A lithographic projection apparatus, comprising:a radiation system constructed to supply a projection beam of radiation; a first object table provided with a first object holder for holding a mask, and provided with a first positioning component; a second object table provided with a second object holder for holding a substrate, and provided with a second positioning component; and a projection system constructed and arranged to image a portion of the mask onto a target portion of the substrate, wherein at least one of said first and second positioning components comprises: a first stage having a first range of motion relative to a frame of reference; a second stage supported by said first stage and having a second range of motion relative to said first stage, said second range of motion being smaller than said first range of motion; and a third stage supported by said second stage and having a third range of motion, said third range of motion being smaller than said second range of motion, said third stage supporting a respective one of said object holders.