Patent ID: 8223319

Claim:
An exposure device comprising: an alignment stage unit comprising: an alignment stage that holds a workpiece having workpiece marks thereon; at least one first alignment microscope that detects the workpiece marks of the workpiece; and a first moving mechanism that relatively moves the alignment stage and the first alignment microscope in only a 1-axis direction by a width of the workpiece; an exposure processing unit comprising: a mask stage that holds a mask having mask marks thereon; a second aligmnent microscope that detects the mask marks of the mask; and an exposure stage that holds the workpiece; and a workpiece moving mechanism that moves the workpiece from the alignment stage unit to the exposure processing unit, wherein the workpiece marks and the mask marks are aligned with each other so as to be in a given positional relationship, and then the workpiece is irradiated with exposure light through the mask, and wherein the alignment stage unit further comprises: a second moving mechanism that moves the first alignment microscope in a direction perpendicular to the 1-axis direction.