Patent ID: 7030964

Claim:
A stage system, comprising: a first fixed guide having a first guide surface being parallel to a first direction and a second direction being orthogonal to the first direction; a first movable guide to be guided by said first fixed guide and having three freedoms of straight motions in the first and second directions and a motion in a rotational direction about a third direction being orthogonal to the first and second directions, said first movable guide extending in the second direction; a second fixed guide having a second guide surface being parallel to the first and second directions; a second movable guide to be guided by said second fixed guide and having three freedoms of straight motions in the first and second directions and a motion in a rotational direction about the third direction, said second movable guide having a second guide extending in the first direction; and a movable member to be guided in the first and second directions by means of said first and second movable guides.