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:
Jul. 31, 2001
Filed:
Apr. 29, 1999
Applicant:
Inventors:
Kenji Yagi, Yokohama, JP;
Tomotaka Murase, Sagamihara, JP;
Keiko Shiraishi, Machida, JP;
Ken-ichi Muta, Kawasaki, JP;
Yuichi Morishita, Yokohama, JP;
Takashi Yoshida, Mito, JP;
Masaru Kobayashi, Mito, JP;
Koichi Arishima, Mito, JP;
Shin Sumida, Tsukuba, JP;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/44 ;
U.S. Cl.
CPC ...
G02B 6/44 ;
Abstract
An optical fiber ribbon includes a plurality of optical fibers arranged in a row and an outer coating formed around the optical fibers. Each of the optical fibers has a core, a cladding, and a non-strippable thin coating made of synthetic resin with a Young's modulus of 50 kg/mm,to 250 kg/mm,at room temperature and coated around the cladding. The concentricity of the core to the diameter of the non-strippable thin coating is 1 &mgr;m or less.