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:
Jun. 16, 2015
Filed:
Sep. 23, 2011
Shinji Hinoshita, Hitachi, JP;
Tetsuya Sukegawa, Hitachi, JP;
Tomokazu Hiyama, Hitachi, JP;
Shigeto Kobayashi, Kitaibaraki, JP;
Natsuki Kamiya, Hitachi, JP;
Bing Yao, Hitachi, JP;
Shinji Hinoshita, Hitachi, JP;
Tetsuya Sukegawa, Hitachi, JP;
Tomokazu Hiyama, Hitachi, JP;
Shigeto Kobayashi, Kitaibaraki, JP;
Natsuki Kamiya, Hitachi, JP;
Bing Yao, Hitachi, JP;
HITACHI METALS, LTD., Tokyo, JP;
Abstract
The invention provides a resin-coated optical fiber, including at least: a glass optical fiber composed of a core and a clad for coating the core; a primary layer made of UV-curing resin in contact with the glass optical fiber; and a secondary layer made of the UV-curing resin disposed on an outer periphery of the primary layer, wherein the primary layer has a two-layer structure of an inner layer in contact with a surface of the clad, and an outer layer for coating the inner layer, wherein the UV-curing resin of the inner layer has a Young's modulus of 0.9 MPa or more and 3.0 MPa or less at room temperature in a film state based on JIS standard K7113, and the UV-curing resin of the outer layer has a Young's modulus of 0.1 MPa or more and 0.7 MPa or less at room temperature in a film state based on JIS standard K7113.