摘要 |
<p>There is disclosed an article positioning apparatus for positioning an article composed of an electric conductive material over a predetermined base, the apparatus comprising: levitating means for levitating the article over the base; driving force generating means including current generating means for inducing a current in the article and magnetic field generating means for generating a magnetic field in a direction perpendicular to the current induced by the current generating means, and the driving force generating means being for generating a driving force composed of Lorentz force to the article in the direction perpendicular to the current and the magnetic field; and displacement detecting means for detecting a displacement of the article, wherein the article is positioned through the driving force generating means in accordance with a result detected by the displacement detecting means. <IMAGE></p> |