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. 12, 2002
Filed:
Jun. 17, 1999
Applicant:
Inventors:
Robert McLemore Fleming, Chatham, NJ (US);
Rafael Nathan Kleiman, New York, NY (US);
Jueinai Raynien Kwo, Watchung, NJ (US);
John William Osenbach, Kutztown, PA (US);
Gordon Albert Thomas, Princeton, NJ (US);
Assignee:
Agere Systems Inc., Orlando, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/035 ;
U.S. Cl.
CPC ...
G02F 1/035 ;
Abstract
An electro-optic device comprising an electro-optic crystal substrate, an optical waveguide path in the crystal adjacent the substrate surface and an electrode spaced from the surface by a buffer layer is provided with enhanced operating stability by forming the buffer layer of a transparent electronically conductive material. Preferred buffer materials are electronically conductive gallium-indium-oxide and electronically conductive zinc-indium-tin-oxide.