Patent ID: 8724077
Filing Date: 2014-05-13
Classification: G03F

Abstract:
1. An exposure apparatus that exposes a substrate via a first liquid filled in an optical path space of exposure light from an optical member, the apparatus comprising: an immersion space forming member having an opening through which the exposure light passes, by which an immersion space is formed to fill the optical path space with the first liquid, the immersion space forming member having a first supply inlet from which the first liquid is supplied, the immersion space forming member having a recovery outlet and a recovery flow passage, the first liquid supplied from the first supply inlet being collected to the recovery flow passage through the recovery outlet, the immersion space forming member having a second supply inlet from which a second liquid is supplied to the recovery flow passage not through the recovery outlet; a liquid supply path through which the second liquid is supplied to the recovery flow passage: a flow rate controller provided on the liquid supply path, by which an amount of the second liquid to be supplied to the recovery flow passage is controlled; and a heater attached to the immersion space forming member, the heater being capable of changing a temperature of the immersion space forming member.