Patent ID: 9268231
Filing Date: 2016-02-23
CPC Classification: G03F

Claim Text:
1. A liquid immersion member that forms a liquid immersion space on an object which is movable below an optical member so that an optical path of exposure light emitted from an emitting surface of the optical member is filled with liquid, the liquid immersion member comprising: a first member that is disposed at at least a portion of a surrounding of the optical member, and that comprises a first lower surface and a first recovery part which is disposed at outside of the first lower surface with respect to the optical path; and a second member that is disposed at at least a portion of a surrounding of the optical path below the first member, that comprises a second upper surface which faces the first lower surface via a gap and a second lower surface to which the object is able to face, and that is movable with respect to the first member, wherein: