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. 22, 2011
Filed:
Oct. 15, 2009
Syougo Horinouchi, Fukuoka, JP;
Taiichi Mori, Fukuoka, JP;
Hideaki Horio, Fukuoka, JP;
Shohei Inoue, Fukuoka, JP;
Syougo Horinouchi, Fukuoka, JP;
Taiichi Mori, Fukuoka, JP;
Hideaki Horio, Fukuoka, JP;
Shohei Inoue, Fukuoka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
Then, in order to achieve the above-described object, in the optical disk of the present invention, while micro-hologram layersandmade of plural layers are provided in an inner portion of a plate bodyalong a thickness direction of the plate body, dimensions of micro-hologramsalong the thickness direction of the plate body, which configure the micro-hologram layerformed on the side of one surface of the plate bodywithin the micro-hologram layersandconstructed of the plural layers, are made smaller than dimensions of micro-hologramsalong the thickness direction of the plate body, which configure a micro-hologram layerformed on the side of an inner layer of the plate body