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. 11, 2014
Filed:
Jun. 01, 2011
Applicants:
Igor Milicevic, Helmond, NL;
Mattheus Jacobus Nicolaas Van Stralen, Tilburg, NL;
Eugen Aldea, Eindhoven, NL;
Inventors:
Igor Milicevic, Helmond, NL;
Mattheus Jacobus Nicolaas Van Stralen, Tilburg, NL;
Eugen Aldea, Eindhoven, NL;
Assignee:
Draka Comteq B.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B 37/012 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for manufacturing a primary preform for optical fibers, using an internal vapor deposition process, wherein a gas flow of doped undoped glass-forming gases is supplied to the interior of a hollow substrate tube having a supply side and a discharge side via the supply side thereof, wherein deposition of glass layers on the interior of the substrate tube is effected as a result of the presence of a reaction zone.