Patent ID: 8189168
Filing Date: 2012-05-29
Classification: G03F

Abstract:
1. An exposure apparatus which exposes a substrate with an exposure light through an exposure liquid, the exposure apparatus comprising: an optical element from which the exposure light exits; a movable member which is movable on a light-exit side of the optical element; a certain member which is provided on the movable member, a gap being formed between the movable member and the certain member; and a vibration generator which vibrates the certain member to apply vibration to a cleaning liquid on the certain member, wherein at least a part of a surface of the certain member is liquid-repellent with respect to at least one of the exposure liquid and the cleaning liquid, and the surface of the certain member is capable of making contact with the at least one of the exposure liquid and the cleaning liquid; and the movable member has a recovery port which recovers the at least one of the exposure liquid and the cleaning liquid in the gap.