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:
Aug. 14, 2007
Filed:
Mar. 31, 2005
Daniel Homa, Bloomsbury, NJ (US);
John W. Guarniere, Annapolis, MD (US);
Paul Zerwekh, Shawsville, VA (US);
Brooks Childers, Christiansburg, VA (US);
Justin Crusse, Manchester, MD (US);
Daniel Homa, Bloomsbury, NJ (US);
John W. Guarniere, Annapolis, MD (US);
Paul Zerwekh, Shawsville, VA (US);
Brooks Childers, Christiansburg, VA (US);
Justin Crusse, Manchester, MD (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
An optical fiber resistant to hydrogen-induced attenuation losses at both relatively low and relatively high temperatures includes a substantially pure silica core and a hydrogen retarding layer. The hydrogen retarding coating may be made of carbon, metal, or silicon nitride. The fiber may also include a cladding layer, a second silica layer, and a protective outer sheath.