Patent ID: 7852034
Filing Date: 2010-12-14
Classification: G03F,H01L

Abstract:
1. A drive method of a moving body in which a first moving body that moves in at least a first axis direction and a second moving body that moves in an opposite direction of the first moving body due to a reaction force of a drive force in the first axis direction of the first moving body are driven, the method comprising: moving the first moving body with a first drive unit in a first direction out of two directions in the first axis direction; and giving an initial velocity in the first direction to the second moving body with a second drive unit when the first moving body moves in the first direction, wherein a mass of a system including the first moving body and the second moving body performs a movement in the first axis direction which does not include a second direction out of two directions in the first axis direction by giving the initial velocity to the second moving body.