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:
Jul. 15, 2025
Filed:
Nov. 30, 2023
Applicant:
Swcc Corporation, Kawasaki, JP;
Inventors:
Takeshiro Nagai, Kawasaki, JP;
Takehiko Yamamoto, Kawasaki, JP;
Assignee:
SWCC Corporation, Kawasaki, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01);
U.S. Cl.
CPC ...
G02B 6/448 (2013.01); G02B 6/4482 (2013.01);
Abstract
An optical fiber ribbon including a grating formed by a simple method is provided. The optical fiber ribbon includes a plurality of single-core coated optical fibers disposed parallel to each other, and a tape layer that covers the single-core coated optical fibers and partially connects adjacent single-core coated optical fibers. The single-core coated optical fibers include a grating part based on a plurality of strained parts formed in the tape layer at regular intervals in the longitudinal direction of the single-core coated optical fibers.