Patent ID: 6175404
Filing Date: 2001-01-16
Classification: G03F,Y10T

Abstract:
An exposure apparatus comprising:an exposure device disposed between a mask and an object, the exposure device exposes a pattern of the mask onto the object;a movable mask stage to hold the mask;a movable object stage to hold the object;a mask drive to move the mask stage;an object drive to move the object stage; anda reaction frame dynamically isolated from the exposure device, the mask drive includes a first portion connected to a first portion of the reaction frame and a second portion connected to the mask stage, the object drive includes a first portion connected to a second portion of the reaction frame and a second portion connected to the object stage, wherein a reaction force caused by the movement of the mask stage is transferred to the first portion of the reaction frame and a reaction force caused by the movement of the object stage is transferred to the second portion of the reaction frame.