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. 26, 2005
Filed:
Jul. 22, 2002
Applicants:
George E. Berkey, Pine City, NY (US);
David T. Marlowe, Wilmington, NC (US);
Douglas G. Neilson, Wilmington, NC (US);
Jeffrey C. Nelson, Burgaw, NC (US);
Inventors:
George E. Berkey, Pine City, NY (US);
David T. Marlowe, Wilmington, NC (US);
Douglas G. Neilson, Wilmington, NC (US);
Jeffrey C. Nelson, Burgaw, NC (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B037/018 ;
U.S. Cl.
CPC ...
Abstract
The method of fabricating an optical waveguide fiber from a preform having a centerline aperture which includes reducing the pressure in the centerline aperture, then increasing the pressure in the centerline aperture to a pressure in order to improve uniformity, circularity, and/or symmetry around the centerline aperture region.