Patent ID: 7069114
Filing Date: 2006-06-27
Classification: F16F,G05D

Abstract:
1. An exposure apparatus comprising: a projection lens for projecting a pattern onto a substrate; a stage being movable while carrying the substrate thereon; and a supporting apparatus for supporting said stage, said supporting apparatus comprising: (i) a supporting member configured to support a movable member; (ii) an acceleration sensor configured to detect acceleration of said supporting member; (iii) an actuator configured to drive said supporting member; (iv) a memory configured to memorize offset data for said acceleration sensor; (v) an offset unit configured to offset an output of said acceleration sensor in accordance with the offset data in said memory; (vi) a discrimination unit configured to discriminate whether the offset data should be renewed or not on the basis of an output of said acceleration sensor; and (vii) a renewing unit configured to renew the offset data on the basis of the result of the discrimination made by said discrimination unit.