Patent ID: 8064039
Filing Date: 2011-11-22
Classification: G03F

Abstract:
1. An exposure apparatus that exposes an object by irradiating an exposure beam on the object via an optical member and a liquid and forms a predetermined pattern on the object, the apparatus comprising: a sensor that comprises a member placed on a light emitting side of the optical member, and receives a light that has a same wavelength as the exposure beam via a liquid repellent film on a surface of the member and a liquid on the liquid repellent film; and a liquid immersion device that has a mixing device in which a predetermined substance that adjusts specific resistance of the liquid supplied onto the liquid repellent film is mixed and dissolved in the liquid, and supplies the liquid in which the predetermined substance is dissolved onto the liquid repellent film so as to form a liquid immersion area, wherein the predetermined substance is a gas.