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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 5790742 B1

PDFFull Text
Date of Patent:
Aug. 04, 1998

Filed:

Sep. 30, 1996

Optical fiber

Applicant:
Inventors:

Kenji Tsubaki, Katano, JP;

Tsuneyoshi Kamae, Tokyo, JP;

Hiroshi Yokogawa, Hirakata, JP;

Masaru Yokoyama, Yao, JP;

Kenji Sonoda, Shijonawate, JP;

Assignee:

Matsushita Electric Works, Ltd., Osaka, JP;

Attorney:

Greenblum & Bernstein P.L.C.

Primary Examiner:

Akm E Ullah

Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385144 ;
Abstract

An optical fiber comprises a core 1 extending in a longitudinal direction and a cladding 3 of silica aerogel preferably having a hydrophobic property to provide a high optical transmission efficiency. The silica aerogel of the cladding is prepared by polymerizing a hydrolyzed alkoxysilane before a supercritical drying treatment and is subjected to a hydrophobic treatment before or during the supercritical drying.

Find Patent Forward Citations

Tsubaki, Kenji. (1998). Optical fiber (U.S. Patent No. 5790742). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5790742

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

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