Patent ID: 7593100
Filing Date: 2009-09-22
Classification: G03F

Abstract:
1. A measuring method, comprising: pre-obtaining, before carrying an object into an exposure apparatus that performs exposure using the object held by a predetermined holding unit, information related to a degree of flatness of the object in a state equivalent to a state held by the predetermined holding unit, wherein the pre-obtaining includes: (a) measuring information related to the degree of flatness of the object in a state where the object is held by a first holding unit; and (b) computing, based on a relation between information related to the degree of flatness of the object held by the first holding unit and information related to the degree of flatness of the object in a state held by a second holding unit in the exposure apparatus and on measurement results of information related to the degree of flatness of the object in a state held by the first holding unit, information related to the degree of flatness of the object in a state equivalent to a state held by the second holding unit, wherein the predetermined holding unit is the second holding unit.