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.

Date of Patent:
Mar. 08, 2016

Filed:

May. 30, 2014
Applicant:

Sen Corporation, Tokyo, JP;

Inventor:

Masateru Sato, Ehime, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/08 (2006.01); H01J 37/02 (2006.01); H01J 27/02 (2006.01); H01J 37/317 (2006.01);
U.S. Cl.
CPC ...
H01J 37/08 (2013.01); H01J 27/024 (2013.01); H01J 37/3171 (2013.01); H01J 2237/022 (2013.01); H01J 2237/026 (2013.01); H01J 2237/0213 (2013.01); H01J 2237/032 (2013.01); H01J 2237/036 (2013.01); H01J 2237/038 (2013.01); H01J 2237/08 (2013.01); H01J 2237/31701 (2013.01);
Abstract

An insulation structure provided among a plurality of electrodes for extraction of an ion beam from a plasma generating section is provided. The insulation structure includes an insulation member including a first part connected to a first electrode and a second part connected to a second electrode and configured to support the first electrode to the second electrode, a first cover surrounding at least a part of the first part to protect the first part from contamination particles, and a second cover surrounding at least a part of the second part to protect the second part from contamination particles. At least one of the first part and the second part is made of a machinable ceramic or a porous ceramic.


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