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.

Date of Patent:
Mar. 24, 2020

Filed:

Feb. 17, 2017
Applicant:

Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;

Inventors:

Fumiaki Sato, Yokohama, JP;

Yoshiaki Nagao, Yokohama, JP;

Nobuyuki Suzuki, Yokohama, JP;

Assignee:

SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka-shi, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01); G02B 6/36 (2006.01);
U.S. Cl.
CPC ...
G02B 6/448 (2013.01); G02B 6/3636 (2013.01); G02B 6/44 (2013.01); G02B 6/441 (2013.01); G02B 6/4403 (2013.01); G02B 6/4405 (2013.01); G02B 6/4482 (2013.01);
Abstract

There is provided an intermittent connection type optical fiber ribbon in which at least a part of a plurality of optical fibers that are arranged to be in parallel come into contact with each other, and between a part or the entirety of the optical fibers, a connection portion at which the adjacent optical fibers are connected to each other with an adhesive resin, and a non-connection portion at which the adjacent optical fibers are not connected to each other with the adhesive resin, are intermittently provided in the longitudinal direction, in which an outer diameter dimension of the optical fiber is equal to or less than 0.22 mm, and an inter-center distance of the adjacent optical fibers is 0.20±0.02 mm, and in which at least a part of the outer periphery of the optical fiber has no adhesive resin attached thereto.


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