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:
Nov. 23, 2021
Filed:
Apr. 23, 2019
Corning Incorporated, Corning, NY (US);
Kevin Wallace Bennett, Hammondsport, NY (US);
Scott Robertson Bickham, Corning, NY (US);
Pushkar Tandon, Painted Post, NY (US);
Ruchi Tandon, Painted Post, NY (US);
CORNING INCORPORATED, Corning, NY (US);
Abstract
An optical fiber comprising: a core having an outer radius r; a cladding having an outer radius r≤31 microns; a primary coating surrounding the cladding having an outer radius r, a thickness t>10 microns, in situ modulus Eof 0.5 MPa or less, and a spring constant χ<1 MPa, where χ=2Er/t; and a secondary coating surrounding said primary coating, the secondary coating having an outer radius r, a thickness t=r-r, in situ modulus Eof 1200 MPa or greater; tgreater than 9.5 microns, wherein ris 50 to 67.5 microns. The fiber has a mode field diameter MFD greater than 8.2 microns at 1310 nm; a fiber cutoff wavelength of less than 1310 nm; and a bend loss at a wavelength of 1550 nm, when wrapped around a mandrel having a diameter of 10 mm, of less than 1.0 dB/turn.