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:
Apr. 01, 2014
Filed:
Apr. 06, 2011
Takeshi Miki, Tokyo, JP;
Manami Miyawaki, Tokyo, JP;
Yuki Tauchi, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Kabushiki Kaisha Kobe Seiko Sho, Hyogo, JP;
Abstract
[Object] To provide an optical recording medium that can be applied to a write-once optical recording medium having a high capacity of about 25 GB per one layer, and has good recording properties when a multilayered recording layer configuration is provided. [Solving Means] It includes a substrateand two to four recording layersandAt least one or more of these recording layersandare specific recording layers with a composition containing PdO and PdOas well as at least one of completely oxidized In, Zn, Al and Sn (in other words, InO, ZnO, AlOand SnO). Adjacent to the specific recording layers, dielectric layersandof In/Al oxide layers containing at least either of In or Al as a main component are disposed.