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:
Oct. 29, 2002
Filed:
Nov. 28, 2001
Applicant:
Inventors:
Robert A. Norwood, West Chester, PA (US);
Chia-Chi Teng, Piscataway, NJ (US);
Assignee:
Photon-X, Inc., Malvern, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/10 ;
U.S. Cl.
CPC ...
G02B 6/10 ;
Abstract
An optical waveguide comprising a first polymeric layer and a second polymeric layer adjacent to the first polymeric layer and a method for making the optical waveguide are disclosed. The first polymeric layer has a refractive index of n and solubility S in a first solvent. The second polymeric layer has a refractive index of n and solubility S in the first solvent. In the optical waveguide, n ≠n and S /S is at least 5.