Patent ID: 8773635
Filing Date: 2014-07-08
Classification: G03F

Abstract:
1. An exposure apparatus that exposes an object with an energy beam, the apparatus comprising: a holding member which holds the object, and is also movable at least within a two-dimensional plane including a first axis and a second axis that are orthogonal to each other; an exposure station in which an exposure processing to irradiate the energy beam on the object is performed, the exposure station having a first measurement system that irradiates at least one first measurement beam from below on the holding member, receives a return light of the first measurement beam and measures positional information of the holding member within the two-dimensional plane when the holding member is in a first area; and a measurement station which is placed away from the exposure station on one side in a direction parallel to the first axis and in which a measurement processing on the object is performed, the measurement station having a second measurement system that irradiates at least one second measurement beam from below on the holding member, receives a return light of the second measurement beam and measures positional information of the holding member within the two-dimensional plane when the holding member is in a second area, wherein the measurement station includes a plurality of mark detection systems, which has detection areas placed apart in a direction parallel to the second axis, and detects different marks, respectively, on the object.