Specimen moving device for electron microscope

Details Specimen moving device for electron microscope Specimen moving device for electron microscope

1985-12-11

1987-12-01

Fields, Carolyn E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

2504401, H01J 3720

Patent

active

047106336

ABSTRACT:
A specimen moving or manipulating apparatus for an electron beam apparatus which comprises a specimen holder extending slideably in the direction orthogonal to the electron beam axis and mounted on a lens column or barrel defining an electron beam path rotatably relative to the lens column in a plane orthogonal to the electron beam axis, and a lever mounted on the lens column at a position in the vicinity of the distal end of the specimen holder and extending in the direction intersecting the specimen holder, the lever being adapted to move slideably the specimen holder, and a coupling member interposed between the lever member and the specimen holder for rotatable engagement with both of them to thereby operatively coupling together the lever member and the specimen holder. The coupling member has a sharp apex edge and a bottom surface and is so disposed that the apex edge bears against a lateral side of the lever member while the bottom surface is rollingly engaged with the tip end of the specimen holder. The bottom surface of the rolling coupler is curved or rounded in the direction in which the specimen holder is rotated. On the other hand, the associated end face of the specimen holder may be curved or alternatively formed flatly.

REFERENCES:
patent: 3612863 (1971-10-01), Suzuki
patent: 3896314 (1975-07-01), Nukui et al.

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