Patent ID: 7893642
Filing Date: 2011-02-22
Classification: B82Y,G11B

Abstract:
1. A driving apparatus comprising: a base portion; a stage portion on which a driven object is mounted and which can be displaced; an elastic portion which connects the base portion and the stage portion and which has elasticity to displace the stage portion in one direction; a first applying device for applying, to at least one of the base portion and the elastic portion, an excitation force for displacing the stage portion such that the stage portion is resonated in the one direction at a resonance frequency determined by the stage portion and the elastic portion; and a second applying device for applying a driving force for displacing, in a stepwise manner or in a continuous manner, the stage portion or the driven object mounted on the stage portion in other direction which is substantially perpendicular to the one direction, wherein the stage portion or another stage portion mounted on the stage portion as the driven object is divided into a plurality of stage fractions.