The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2014
Filed:
Oct. 15, 2009
Seiichiro Kanno, Iwaki, JP;
Hiroyuki Kitsunai, Kasumigaura, JP;
Masaru Matsushima, Hitachinaka, JP;
Toru Shuto, Naka, JP;
Kazuyuki Ikenaga, Tachikawa, JP;
Seiichiro Kanno, Iwaki, JP;
Hiroyuki Kitsunai, Kasumigaura, JP;
Masaru Matsushima, Hitachinaka, JP;
Toru Shuto, Naka, JP;
Kazuyuki Ikenaga, Tachikawa, JP;
Hitachi High-Technologies Coporation, Tokyo, JP;
Abstract
It is an object of the present invention to provide an electron microscope for properly applying a retarding voltage to a sample which is brought into electrical conduction. In order to accomplish the above-described object, the following electron microscope is proposed: The electron microscope including a negative-voltage applying power-supply for applying the negative voltage to the sample, and thereby forming a decelerating electric field to be exerted onto the electron beam, an electrostatic-chuck mechanism for providing a potential difference among a plurality of its internal electrodes, and thereby generating an adsorption force to be exerted onto the sample, and a contact terminal which is so configured as to come into contact with the sample when the sample is deployed on a sample-supporting stage, the electrostatic-chuck mechanism causes the potential difference to occur among the internal electrodes in the state where the contact terminal comes into contact with the sample, the negative-voltage applying power-supply being operated to apply the negative voltage to the contact terminal after the potential difference has been caused to occur.