Patent ID: 6545492
Filing Date: 2003-04-08
Classification: G01Q,Y10S

Abstract:
A local probe measuring device for effecting local measurements referring to a sample, comprising:a first local probe for local measurements with respect to a sample or a reference surface; a second local probe for local measurements with respect to the sample or the reference surface; a rigid mechanical coupling between the first local probe and the second local probe; a positioning arrangement adapted to commonly adjust distance relations of the probes with respect to the sample or the reference surface to commonly adjust a first measurement condition of the first local probe with respect to the sample or the reference surface, and a second measurement condition of the second local probe with respect to the sample or the reference surface; a detection arrangement comprising a first detection arrangement associated with the first local probe and adapted to independently detect first measurement data referring to local measurements effected by said first local probe, and a second detection arrangement associated with the second local probe and adapted to independently detect second measurement data referring to local measurements effected by said second local probe; and a controller adapted to control via said positioning arrangement said distance relations on the basis of at least one of said first and second measurement data, wherein at least one of said first and second measurement conditions is roughly adjusted on the basis of one of said first and second measurement data and is finely adjusted on the basis of the other of said first and second measurement data.