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.:

US 6987895 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 17, 2006

Filed:

Jul. 02, 2002
Applicant:

Kjetil Johannessen, Trondheim, NO;

Inventor:

Kjetil Johannessen, Trondheim, NO;

Assignee:

Intel Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/295 (2006.01);
U.S. Cl.
CPC ...
Abstract

A planar lightwave circuit comprises a waveguide that is thermally-compensating. The waveguide comprises a cladding and a core that comprises two regions running lengthwise through the core. One region has a negative thermo-optic coefficient; the other region has a positive thermo-optic coefficient.


Find Patent Forward Citations

Johannessen, Kjetil. (2006). Thermal compensation of waveguides by dual material core having positive thermo-optic coefficient inner core (U.S. Patent No. 6987895). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6987895

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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