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:
May. 17, 2016
Filed:
Feb. 29, 2012
Applicants:
Kotoko Urano, Tokyo, JP;
Takeshi Kawasaki, Tokyo, JP;
Noboru Moriya, Tokyo, JP;
Tomonori Nakano, Tokyo, JP;
Inventors:
Kotoko Urano, Tokyo, JP;
Takeshi Kawasaki, Tokyo, JP;
Noboru Moriya, Tokyo, JP;
Tomonori Nakano, Tokyo, JP;
Assignee:
HITACHI HIGH-TECHNOLOGIES CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 3/14 (2006.01); H01J 37/153 (2006.01);
U.S. Cl.
CPC ...
H01J 37/153 (2013.01); H01J 2237/1534 (2013.01);
Abstract
In order to realize a multiple assembled easily with high accuracy, a multipole having assembly accuracy within 10 micrometer and within several seconds of angle is achieved by fixing multipole elements by being guided by grooves provided on an inner side of a cylindrical housing to form the multipole.