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 7532776 B1

PDF
Full Text
Expired
Date of Patent:
May. 12, 2009

Filed:

Feb. 23, 2005
Applicants:

Keisuke Sato, Kawasaki, JP;

Masao Kondo, Kawasaki, JP;

Masatoshi Ishii, Kawasaki, JP;

Inventors:

Keisuke Sato, Kawasaki, JP;

Masao Kondo, Kawasaki, JP;

Masatoshi Ishii, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Int. Cl.
CPC ...
G02F 1/035 (2006.01); G02F 1/295 (2006.01); G02B 6/26 (2006.01); G02B 6/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

A core layer of an optical waveguide is grown as a film comprised of an electro-optic material with a rhombohedral structure and grown above a substrate with (100) crystal orientation on a major face.


Find Patent Forward Citations

Sato, Keisuke. (2009). Optical element and optical switch (U.S. Patent No. 7532776). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7532776

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

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