Patent ID: 8724079

Claim:
An exposure apparatus that exposes a substrate with an energy beam via a projection optical system and a liquid, the apparatus comprising: a first stage that is capable of moving while the substrate is mounted thereon; a second stage that is capable of moving independently from the first stage, the second stage having a measuring member configured to detect the energy beam via the projection optical system and the liquid; a liquid immersion system configured to supply the liquid to form an immersion area below the projection optical system; and a drive system configured to replace one of the first stage and the second stage arranged opposite to the projection optical system with another of the first stage and the second stage by moving the first stage and the second stage relative to the immersion area below the projection optical system so as to transit from one of a first state and a second state to another of the first state and the second state, the first state being a state in which the immersion area is maintained between the projection optical system and the first stage, the second state being a state in which the immersion area is maintained between the projection optical system and the second stage, wherein the apparatus is configured such that, in a transition from the one of the first state and the second state to the other of the first state and the second state, the immersion area is maintained below the projection optical system, and wherein the apparatus is configured such that, in the exposure, the substrate is moved relative to the immersion area by the first stage.