Optical fiber ribbon

Patent metadata

Field	Value
Publication number	US-2022382007-A1
Application number	US-202217826727-A
Country	US
Kind code	A1
Filing date	May 27, 2022
Priority date	May 31, 2021
Publication date	Dec 1, 2022
Grant date	—

Abstract

An optical fiber ribbon includes a plurality of optical fiber cores arranged in parallel in a direction orthogonal to a longitudinal direction of the optical fiber cores, and a coupling member configured to couple the plurality of optical fiber cores. In the optical fiber ribbon, a plurality of coupled sections and a plurality of separate sections are alternately provided in the longitudinal direction. Each of the plurality of coupled sections is in a state in which all of the adjacent optical fiber cores are coupled by the coupling member. Each of the plurality of separate sections is in a state in which at least two of the optical fiber cores adjacent to each other are not coupled by the coupling member.

First claim

What is claimed is:

1 . An optical fiber ribbon comprising:
a plurality of optical fiber cores arranged in parallel in a direction orthogonal to a longitudinal direction of the optical fiber cores; and a coupling member configured to couple the plurality of optical fiber cores, wherein a plurality of coupled sections and a plurality of separate sections are alternately provided in the longitudinal direction, each of the plurality of the coupled sections being in a state in which all of the adjacent optical fiber cores are coupled by the coupling member, each of the plurality of separate sections being in a state in which at least two of the optical fiber cores adjacent to each other are not coupled by the coupling member.

2 . The optical fiber ribbon according to claim 1 ,
wherein, in the separate sections, the plurality of optical fiber cores are divided into a plurality of groups each including at least two optical fiber cores, wherein, in the groups, the optical fiber cores adjacent to each other are coupled to each other in a state of being in contact with each other, and wherein the groups adjacent to each other are not coupled to each other.

3 . The optical fiber ribbon according to claim 2 ,
wherein the plurality of optical fiber cores includes 12 optical fiber cores, and wherein, in the separate sections, the plurality of optical fiber cores is divided into three groups.

4 . The optical fiber ribbon according to claim 2 ,
wherein the plurality of optical fiber cores includes 16 optical fiber cores, and wherein, in the separate sections, the plurality of optical fiber cores is divided into four groups.

5 . The optical fiber ribbon according to claim 1 , wherein a length of each of the coupled sections in the longitudinal direction is 5 mm to 50 mm.

6 . The optical fiber ribbon according to claim 1 , wherein a length of each of the separate sections in the longitudinal direction is 20 mm to 100 mm.

7 . The optical fiber ribbon according to claim 1 , wherein an outer diameter of each of the optical fiber cores is 200 μm or less.

8 . The optical fiber ribbon according to claim 1 , wherein, in the separate sections, the number of optical fiber cores to which an optical fiber core located at a first end of the optical fiber ribbon in an arrangement direction of the optical fiber cores orthogonal to the longitudinal direction is coupled differs from the number of optical fiber cores to which an optical fiber core located at a second end of the optical fiber ribbon in the arrangement direction of the optical fiber cores is coupled.

9 . An optical fiber ribbon comprising:
a plurality of optical fiber cores arranged in parallel in a direction orthogonal to a longitudinal direction of the optical fiber cores; and a coupling member configured to couple the plurality of optical fiber cores, wherein a plurality of coupled sections and a plurality of separate sections are alternately provided in the longitudinal direction, one of the plurality of the coupled sections being in a state in which all adjacent optical fiber cores of the plurality of optical fiber cores are coupled by the coupling member, one of the plurality of separate sections being in a state in which at least two of the optical fiber cores adjacent to each other are not coupled by the coupling member.

10 . An optical fiber ribbon comprising:
a plurality of optical fiber cores arranged in parallel in a direction orthogonal to a longitudinal direction of the optical fiber cores; and a coupling member configured to couple the optical fiber cores, wherein a coupled section and a separate section are formed to be arranged in the longitudinal direction, the coupled section being in a state in which the optical fiber cores are coupled by the coupling member, the separate section being in a state in which at least two of the optical fiber cores adjacent to each other are not coupled by the coupling member.

Assignees

• Sumitomo Electric Industries
• Sumitomo Electric Optifrontier Co Ltd

Inventors

• Shimazu Takayuki
• Otsuka Kenichiro
• Shimoda Yuuki
• Yamane Shinji

Classifications

• G02B6/4404 Primary

  Multi-podded · CPC title

• G02B6/4403

  with ribbon structure (G02B6/4429, G02B6/4439, G02B6/4479 take precedence) · CPC title