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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 11046608 B1

PDFFull Text
Date of Patent:
Jun. 29, 2021

Filed:

Aug. 13, 2013

Optical fiber preform and method for manufacturing such optical fiber preform from a primary preform

Applicant:

Draka Comteq Bv, Amsterdam, NL;

Inventors:

Cédric Gonnet, Paris, FR;

Emmanuel Petitfrere, Villeneuve d'Ascq, FR;

Laurent Calvo, Carvin, FR;

Olivier Delwal, Orchies, FR;

Assignee:

DRAKA COMTEQ BV, Amsterdam, NL;

Attorney:

Shumaker, Loop & Kendrick, LLP

Primary Examiner:

Holly Rickman

Assistant Examiner:

Lisa Chau

Int. Cl.
CPC ...
C03C 13/04 (2006.01); C03C 25/1065 (2018.01); C03B 37/018 (2006.01); C03B 37/012 (2006.01); C03C 3/06 (2006.01);
U.S. Cl.
CPC ...
C03B 37/018 (2013.01); C03B 37/01291 (2013.01); C03C 3/06 (2013.01); C03C 13/045 (2013.01); C03C 25/1068 (2018.01); C03B 2201/03 (2013.01); C03B 2201/32 (2013.01); C03B 2201/50 (2013.01); C03B 2203/22 (2013.01); C03C 2201/02 (2013.01); C03C 2201/32 (2013.01); C03C 2201/50 (2013.01);
Abstract

The invention relates to an optical fiber preform () comprising a primary preform () and one or more purified silica-based overclad layers () surrounding said primary preform (), the purified silica-based overclad layers () comprising lithium and aluminium, and having a ratio between lithium concentration [Li] and aluminium concentration [Al] satisfying the following inequality:1×10≤[Li]/[Al]≤20×10.

Find Patent Forward Citations

Gonnet, Cédric. (2021). Optical fiber preform and method for manufacturing such optical fiber preform from a primary preform (U.S. Patent No. 11046608). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11046608

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

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