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:
Aug. 27, 2013
Filed:
Mar. 05, 2012
Applicants:
Masafumi Nakada, Tokyo, JP;
Mizuki Iwanami, Tokyo, JP;
Keishi Oohashi, Tokyo, JP;
Norio Masuda, Tokyo, JP;
Inventors:
Masafumi Nakada, Tokyo, JP;
Mizuki Iwanami, Tokyo, JP;
Keishi Oohashi, Tokyo, JP;
Norio Masuda, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/04 (2006.01); H01J 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic field sensor fabrication method of directly forming, with an aerosol deposition method, at a tip of an optical fiber, a magnetooptical layer having a refractive index that changes depending on a magnetic field, the method includes establishing a relationship of dc≦d≦dr among a diameter d of the magnetooptical layer, a diameter dc of a core of the optical fiber, and a diameter dr of a clad thereof.