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:
Jul. 02, 2013
Filed:
Dec. 13, 2010
Applicants:
Dan Nicolaescu, Kyoto, JP;
Masao Naito, Kyoto, JP;
Inventors:
Dan Nicolaescu, Kyoto, JP;
Masao Naito, Kyoto, JP;
Assignee:
Nissin Ion Equipment Co., Ltd., Kyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 37/143 (2006.01);
U.S. Cl.
CPC ...
H01J 37/143 (2013.01);
Abstract
A magnet used in an ion beam irradiation apparatus includes a pair of magnetic poles arranged facing each other on an inner side of the magnet across an ion beam; a plurality of magnetic field concentrating members that are arranged on each of the opposing surfaces of the magnetic poles and that perform a function of trapping electrons between the magnetic poles; and a protective member that covers opposing surfaces of the magnetic field concentrating members.