Patent ID: 7535552
Filing Date: 2009-05-19
Classification: G03F,Y10T

Abstract:
1. A moving/guiding apparatus comprising: a first movable body and a second movable body guided to move in intersecting directions, arranged at vertically different positions, and restrained in a vertical direction; first and second actuators for driving said first and second movable bodies in the intersecting directions; a third movable body guided to be movable on a surface plate in a moving direction of said first movable body and in a moving direction of said second movable body, and driven in two intersecting directions upon reception of forces from guide surfaces in a horizontal direction of said first and second movable bodies; first and second radial bearings for guiding one side of said first movable body and one side of said second movable body, respectively, and restraining said first and second movable bodies, respectively, in all directions, except for the movable direction; and third and fourth bearings for guiding the other side of said first movable body and the other side of said second movable body, respectively, and restraining said first and second movable bodies in the vertical direction.