Patent ID: 7194818
Filing Date: 2007-03-27
Classification: G01B

Abstract:
1. A mount table comprising: a table main body having a mount surface on which a workpiece to be measured or worked is mounted, a support unit disposed beneath the table main body that supports the table main body so as to permit the table main body to float above a surface plate and freely move in X and Y planes and rotate about a Z axis on the surface plate during positioning of the workpiece into a prescribed attitude and wherein, when the workpiece is at the prescribed attitude, the support unit causes the table main body to suck onto the surface plate and thereby prevent movement in the X and Y planes and prevent rotation about the Z axis so as to permit measurement or working of the workpiece at the prescribed attitude, and a plurality of artifacts for measuring a plurality of attitudes of the mount table, wherein the plurality of the artifacts are directly provided on the table main body and extend outwardly therefrom.