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:
Oct. 06, 2015

Filed:

Dec. 24, 2014
Applicant:

Sen Corporation, Tokyo, JP;

Inventor:

Masateru Sato, Ehime, JP;

Assignee:

SEN CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 27/02 (2006.01); H01J 27/08 (2006.01); H01J 37/08 (2006.01);
U.S. Cl.
CPC ...
H01J 27/08 (2013.01); H01J 27/022 (2013.01);
Abstract

An ion generator includes: an arc chamber; a repeller that includes a repeller plate provided within the arc chamber and a repeller extension portion inserted through a through hole communicating the inside and the outside of the arc chamber; and a supporting structure that is provided outside the arc chamber and that supports the repeller so that a gap is ensured between the repeller extension portion and an inner wall of the through hole. The supporting structure includes a cover member that forms, outside the arc chamber, a small chamber communicating with the gap, and an insulation member that electrically insulates the arc chamber and the repeller from each other.


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