Microdrive apparatus

Details Microdrive apparatus Microdrive apparatus

1991-05-03

1993-07-20

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

052296792

ABSTRACT:
A microdrive apparatus of a micromanipulator according to the present invention is such that a piezoelectric/electrostrictive element having an inertial member mounted at its tip is attached to a moving member supported on a frictional surface of a support member, and a miniature instrument for manipulation is attached to the moving member. By applying an electric field to the piezoelectric/electrostrictive element, the miniature instrument for manipulation is controlled for fine movement by utilizing this kinetic energy, the inertial effect of the inertial member, and the reaction force acting upon the moving member. In addition, the miniature instrument for manipulation can be controlled to assume a predetermined position and predetermined attitude by a micropositioning device having an articulated portion in which an inertial member is attached to an arm via a piezoelectric/electrostrictive element.

REFERENCES:
patent: 3808488 (1974-04-01), Massa
patent: 3813022 (1974-05-01), Radobenko
patent: 3835338 (1974-09-01), Martin
patent: 3957162 (1976-05-01), Sodergvist
patent: 4484854 (1984-11-01), Chitayat
patent: 4709183 (1987-11-01), Lange
patent: 4894579 (1990-01-01), Higuchi et al.

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