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:
May. 14, 2002
Filed:
Sep. 07, 1999
Applicant:
Inventor:
Ephraim Suhir, Randolph, NJ (US);
Assignee:
Agere Systems Optoelectronics Guardian Corp., Miami Lakes, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 1/10 ;
U.S. Cl.
CPC ...
G02B 1/10 ;
Abstract
The present invention is directed to a planar optical waveguide comprising a waveguide core layer interposed between upper and lower cladding layers, characterized in that a so-called “effective” coefficient of thermal expansion of the layer containing the waveguide core is approximately the same as that of the substrate supporting the optical waveguide.
Suhir, Ephraim. (2002). Strain free planar optical waveguides (U.S. Patent No. 6389209). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6389209
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile