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:
Dec. 15, 2009
Filed:
Aug. 21, 2007
Sohmei Endoh, Tokyo, JP;
Kazuya Hayashibe, Tokyo, JP;
Tooru Nagai, Tokyo, JP;
Ikuhiro Hideta, Tokyo, JP;
Shirasagi Toshihiko, Tokyo, JP;
Kimitaka Nishimura, Tokyo, JP;
Tadao Suzuki, Tokyo, JP;
Sohmei Endoh, Tokyo, JP;
Kazuya Hayashibe, Tokyo, JP;
Tooru Nagai, Tokyo, JP;
Ikuhiro Hideta, Tokyo, JP;
Shirasagi Toshihiko, Tokyo, JP;
Kimitaka Nishimura, Tokyo, JP;
Tadao Suzuki, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Sony Disc & Digital Solutions Inc., Tokyo, JP;
Abstract
In an optical device, a number of structures having higher portions or lower portions are arranged at a fine pitch equal to or shorter than a wavelength of visible light on a surface of a base. Each of the structures is arranged to form a plurality of arc track rows on the surface of the base, and to form a quasi-hexagonal lattice pattern, and the structure has an elliptical cone or truncated elliptical cone shape having a major axis in a circumferential direction of the arc tracks.