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. 07, 2017
Filed:
Aug. 05, 2015
Applicant:
Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;
Inventor:
Sumio Hoshino, Yokohama, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/036 (2006.01); G02B 6/028 (2006.01); G02B 6/12 (2006.01);
U.S. Cl.
CPC ...
G02B 6/03694 (2013.01); G02B 6/0288 (2013.01); G02B 6/03627 (2013.01); G02B 2006/1209 (2013.01);
Abstract
An embodiment of the invention relates to a BI-MMF with OH group concentrations controlled along a radial direction. In the BI-MMF, an OH group concentration distribution along the radial direction has a shape in which a concentration peak is located in a concentration control interval provided between an outer periphery of a core and a trench part, including an interface between the core and trench part.