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:
Apr. 27, 2010
Filed:
Apr. 05, 2006
Jacques Jolly, Chatou, FR;
Virginie Herchuelz, Andresy, FR;
Rémi Fauche, Acheres, FR;
Eric Tutin, Montigny les Cormeilles, FR;
Jean-florent Campion, Conflans St Honorine, FR;
Jacques Jolly, Chatou, FR;
Virginie Herchuelz, Andresy, FR;
Rémi Fauche, Acheres, FR;
Eric Tutin, Montigny les Cormeilles, FR;
Jean-Florent Campion, Conflans St Honorine, FR;
Draka Comteq B.V., Amsterdam, NL;
Abstract
The present invention provides an installation for fabricating or overcladding an optical fiber preform, which installation includes an inductive torch for producing a plasma from a plasma generating gas and material feed means and is characterized in that said plasma generating gas is a mixture of a first gas chosen from diatomic gases and mixtures of at least two gases and argon in a proportion by volume from 0.5% to 10%.