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:
Mar. 30, 2010
Filed:
Mar. 27, 2009
Pieter Matthijsse, Hapert, NL;
Frans Gooijer, Eindhoven, NL;
Ivo Flammer, Paris, FR;
Elise Regnier, Bievres, FR;
Gerard Kuyt, Boxtel, NL;
Pieter Matthijsse, Hapert, NL;
Frans Gooijer, Eindhoven, NL;
Ivo Flammer, Paris, FR;
Elise Regnier, Bievres, FR;
Gerard Kuyt, Boxtel, NL;
Draka Comteq B.V., Amsterdam, NL;
Abstract
A single mode optical transmission fiber comprises a depressed core having at least 0.41 weight percent fluorine and an index difference (|Δn|) with pure silica greater than 1.5×10, a depressed cladding having at least 1.2 weight percent fluorine and an index difference (|Δn|) with pure silica greater than 4.5×10and an index difference (|Δn|−|Δn|) with the depressed core greater than or equal to 3×10.