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. 28, 2017
Filed:
Jun. 30, 2014
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/34 (2006.01); C23C 14/35 (2006.01); H01F 7/02 (2006.01);
U.S. Cl.
CPC ...
H01J 37/3452 (2013.01); C23C 14/35 (2013.01); H01F 7/0278 (2013.01); H01J 37/3405 (2013.01); H01J 37/345 (2013.01); H01J 37/3455 (2013.01);
Abstract
Provided is a magnetic field generation apparatus including: two or more main magnetic pole portions configured to generate a main magnetic field; one or more secondary magnetic pole portions including a plurality of first divisional magnets obtained by a division, that generate a secondary magnetic field for adjusting the generated main magnetic field; and a yoke portion including one or more first yokes opposing the plurality of first divisional magnets in correspondence with the one or more secondary magnetic pole portions.