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. 30, 2014
Filed:
Feb. 06, 2012
Haruhiko Habuta, Osaka, JP;
Kazuya Hisada, Okayama, JP;
Teruhiro Shiono, Osaka, JP;
Shigeru Furumiya, Kyoto, JP;
Haruhiko Habuta, Osaka, JP;
Kazuya Hisada, Okayama, JP;
Teruhiro Shiono, Osaka, JP;
Shigeru Furumiya, Kyoto, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An information recording medium () of the present invention includes a substrate () and a recording layer provided on the substrate () and having optical properties that can be changed by irradiation with a laser beam. The recording layer is formed of a plurality of arrayed minute recording regions (e.g., phase-change particles ()). A part or all of the recording region is made of a recording material containing Te and O. The recording region has a length of 30 nm or less in an information recording direction. Preferably, the recording material further contains an element M, where M is at least one element selected from the group consisting of Pd, Au, and Pt.