Control method of movable body, exposure method, device manufacturing method, movable body apparatus, and exposure apparatus
AssigneeNikon Corporation
InventorAkihiro Ueda
Life of this patent
Estimating the term…
Loading patent…
AssigneeNikon Corporation
InventorAkihiro Ueda
Estimating the term…
In a beam irradiation apparatus in which a movable body holds an object, a mark detection system detects a first mark on the movable body while moving the movable body in a first direction and changing an irradiation position of a measurement beam in the first direction, the mark detection system detects a second mark while moving the movable body in the first direction and changing the irradiation position of the measurement beam in the first direction, a controller controls a position of the movable body in a second direction intersecting he first direction during a time period between the detection of the first mark and the detection of the second mark, and the controller controls the movement of the movable body to adjust a positional relation between the object on the movable body and a processing beam, based on results of the detection of the first and second marks.
A movable body apparatus, comprising:
Dependencies are inferred from the claim text.