Apparatus and method for specimen fabrication

Radiant energy – Irradiation of objects or material – Irradiation of semiconductor devices

Reexamination Certificate

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Details

C250S492100, C250S307000, C250S309000, C250S310000, C250S311000

Reexamination Certificate

active

07989782

ABSTRACT:
A specimen fabricating apparatus comprises: a specimen stage, on which a specimen is placed; a charged particle beam optical system to irradiate a charged particle beam on the specimen; an etchant material supplying source to supply an etchant material, which contains fluorine and carbon in molecules thereof, does not contain oxygen in molecules thereof, and is solid or liquid in a standard state; and a vacuum chamber to house therein the specimen stage. A specimen fabricating method comprises the steps of: processing a hole in the vicinity of a requested region of a specimen by means of irradiation of a charged particle beam; exposing the requested region by means of irradiation of the charged particle beam; supplying an etchant material, which contains fluorine and carbon in molecules thereof, does not contain oxygen in molecules thereof, and is solid or liquid in a standard state, to the requested region as exposed; and irradiating the charged particle beam on the requested region as exposed.

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