University of California

University of Illinois

Fei Comapny

Thomas Duden

Hendrik Nicolaas Slingerland

Jan Willem Bruggers

Ivan Petrov

Andreas Karl Schmid

Todor I Donchev

Raymond Wagner

Eric Olson

Johannes Van Den Oetelaar

Adriaan Huibert Dirk Ottevanger

Jeroen Van De Water

Methods and apparatus for generating an image of a specimen with a microscope (e.g., TEM) are disclosed. In one aspect, the microscope may generally include a beam generator, a stage, a detector, and an image generator. A plurality of crystal parameters, which describe a plurality of properties of a crystal sample, are received. In a display associated with the microscope, an interactive control sphere based at least in part on the received crystal parameters and that is rotatable by a user to different sphere orientations is presented. The sphere includes a plurality of stage coordinates that correspond to a plurality of positions of the stage and a plurality of crystallographic pole coordinates that correspond to a plurality of polar orientations of the crystal sample. Movement of the sphere causes movement of the stage, wherein the stage coordinates move in conjunction with the crystallographic coordinates represented by pole positions so as to show a relationship between stage positions and the pole positions.

Apparatus and methods for controlling electron microscope stages

A position measuring sensor formed from opposing sets of capacitor plates measures both rotational displacement and lateral displacement from the changes in capacitances as overlapping areas of capacitors change. Capacitances are measured by a measuring circuit. The measured capacitances are provided to a calculating circuit that performs calculations to obtain angular and lateral displacement from the capacitances measured by the measuring circuit.

Lateral displacement and rotational displacement sensor

A manipulator for use in e.g. a Transmission Electron Microscope (TEM) is described, said manipulator capable of rotating and translating a sample holder (). The manipulator clasps the round sample holder between two members (A,B), said members mounted on actuators (A,B). Moving the actuators in the same direction results in a translation of the sample holder, while moving the actuators in opposite directions results in a rotation of the sample holder.

Manipulator for rotating and translating a sample holder

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Kensington, CA, United States of America

Thomas Duden