Patent ID: 8689359

Claim:
Apparatus for investigating surface properties of different materials using atomic force microscopy (AFM) with the shear force method, comprising at least one base ( 1 ), to which at least one cantilever ( 2 ) is attached, with an integrated sensor ( 4 ), an integrated actuator ( 5 ) deflecting the cantilever ( 2 ) at right angles to its vertical axis, and at least one measuring tip ( 3 ), wherein the cantilever ( 2 ) is attached virtually at right angles to the base ( 1 ), pointing downwards, the measuring tip ( 3 ) forms a coaxial extension of the lower end of the cantilever ( 2 ) resulting in an angle between a test surface ( 11 ) and the cantilever ( 2 ) including its measuring tip ( 3 ) is virtually 90Â° when at rest and that the integrated sensor ( 4 ) and the integrated actuator ( 5 ) are subject to galvanic isolation in the form of a gap ( 6 ).