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:
Mar. 04, 2014
Filed:
Jan. 11, 2008
Applicants:
Sohmei Endoh, Miyagi, JP;
Kazuya Hayashibe, Miyagi, JP;
Inventors:
Sohmei Endoh, Miyagi, JP;
Kazuya Hayashibe, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2013.01);
U.S. Cl.
CPC ...
Abstract
An optical device, a method of manufacturing the optical device, a replica substrate for manufacturing the optical device, and a method of producing the replica substrate are disclosed. The optical device includes a base, and a plurality of structures arranged at a fine pitch equal to or shorter than a wavelength of visible light on a surface of the base. Each of the structures is composed of protuberance. The structures have a depth distribution.