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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.:

US 4264131 B1

PDFFull Text
Date of Patent:
Apr. 28, 1981

Filed:

May. 08, 1979

Optical fiber of high durability prepared from multicomponent glass

Applicant:
Inventors:

Kunihide Sawamura, Yokohama, JP;

Mituo Kasori, Kawasaki, JP;

Takeshi Takano, Samukawa, JP;

Hironori Maki, Kawasaki, JP;

Assignee:

Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;

Attorney:

Oblon, Fisher, Spivak, McClelland & Maier

Primary Examiner:

John K Corbin

Assistant Examiner:

John D Lee

Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9634 ; 106 / ; 106 50 ;
Abstract

An optical fiber which consists of a multicomponent core glass member which is formed of SiO.sub.2, Al.sub.2 O.sub.3 and an alkali metal oxide and preferably contains CaO, MgO and B.sub.2 O.sub.3 ; and a multicomponent cladding glass member which is prepared from SiO.sub.2, Al.sub.2 O.sub.3, an alkali metal oxide and at least one component selected from the group consisting of ZnO, ZrO.sub.2 and TiO.sub.2, and preferably contains CaO, MgO and B.sub.2 O.sub.3 ; and consequently reduces transmission loss of light and exhibits prominent durability.

Find Patent Forward Citations

Sawamura, Kunihide. (1981). Optical fiber of high durability prepared from multicomponent glass (U.S. Patent No. 4264131). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4264131

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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