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:
Jul. 31, 2012
Filed:
Sep. 23, 2009
Xin Chen, Corning, NY (US);
Timothy Leonard Hunt, Wilmington, NC (US);
Joohyun Koh, Painted Post, NY (US);
Ming-jun LI, Horseheads, NY (US);
Daniel Aloysius Nolan, Corning, NY (US);
Xin Chen, Corning, NY (US);
Timothy Leonard Hunt, Wilmington, NC (US);
Joohyun Koh, Painted Post, NY (US);
Ming-Jun Li, Horseheads, NY (US);
Daniel Aloysius Nolan, Corning, NY (US);
Corning Incorporated, Corning, NY (US);
Abstract
A method for making low PMD fiber comprising the steps of: (i) making an initial fiber preform; (ii) modifying said initial fiber preform to introduce higher birefringence than that of the initial fiber preform into modified preform; and (iii) drawing an optical fiber from the modified preform and bi-directionally spinning the drawn fiber during draw.