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:
Oct. 03, 2006

Filed:

Sep. 02, 2004
Applicants:

Young-seok Kim, Gumi-si, KR;

Sung-koog OH, Gumi-si, KR;

Inventors:

Young-Seok Kim, Gumi-si, KR;

Sung-Koog Oh, Gumi-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical fiber includes a core as a light signal transmission medium, a clad surrounding the core, a first coating layer which surrounds the clad and is formed of an UV-cured polymer material, and a second coating layer which surrounds the first coating layer and is formed of an UV-cured polymer material. The difference between the refraction index of the first coating layer and that of the second coating layer ranges from 0 (excluding 0) to 0.06.


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