Title:
OPTICAL FIBER RIBBON AND SUB-TAPE-TYPE OPTICAL FIBER RIBBON
Document Type and Number:
WIPO Patent Application WO/2022/059654
Kind Code:
A1
Abstract:
This intermittently-connected-type optical fiber ribbon (1A) has a plurality of optical fiber core wires (10) disposed in parallel and intermittently has connection units (20) formed by connecting portions between adjacent optical fiber core wires (10) by means of a resin, wherein, in the connection units (20), the resin is provided to one side surface and the other side surface of the optical fiber ribbon (1A), and D/4≤TFave≤D/2 when the average maximum value of the thicknesses TF of the connection units (20) on the one side surface is TFave, and the outer diameter of the optical fiber core wire (10) is D, and TBave
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Inventors:
SATO TOSHIHISA (JP)
FUJII TAKASHI (JP)
FUJII TAKASHI (JP)
Application Number:
PCT/JP2021/033606
Publication Date:
March 24, 2022
Filing Date:
September 13, 2021
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
G02B6/44
Foreign References:
CN111175887A | 2020-05-19 | |||
JP2019523460A | 2019-08-22 | |||
JP4049154B2 | 2008-02-20 | |||
JP2017062431A | 2017-03-30 | |||
US20200355882A1 | 2020-11-12 | |||
JP2020155584A | 2020-09-24 | |||
JP2016133607A | 2016-07-25 | |||
JP2019049617A | 2019-03-28 | |||
JP2017062431A | 2017-03-30 | |||
JP2016146003A | 2016-08-12 |
Other References:
See also references of EP 4215965A4
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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