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:
Nov. 06, 2007
Filed:
Apr. 16, 2004
Applicants:
Kazuyuki Miyake, Hyogo, JP;
Syunichiro Yamaguchi, Hyogo, JP;
Tetsuya Yamamoto, Hyogo, JP;
Inventors:
Assignee:
Mitsubishi Cable Industries, Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/032 (2006.01); G02B 6/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A connection end portion of a PC fiberis fused by heating to provide a sealing portionwhich seals holesof a cladding. Length L of the sealing portionis determined by calculation based on the conditions such as an incident angle θ [°] of signal lightwith respect to the PC fiber, an outer diameter D [μm] of the fiber, a diameter a [μm] of the core of the fiber and a refractive index n of the sealing portion