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. 28, 2010
Filed:
Sep. 29, 2004
Takashi Nishihara, Hirakata, JP;
Yukako Doi, Takatsuki, JP;
Rie Kojima, Kadoma, JP;
Noboru Yamada, Hirakata, JP;
Takashi Nishihara, Hirakata, JP;
Yukako Doi, Takatsuki, JP;
Rie Kojima, Kadoma, JP;
Noboru Yamada, Hirakata, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An information recording medium includes a substrate and an information layer formed on the substrate. The information layer includes a recording layer whose phase can be changed between a crystalline phase and an amorphous phase by irradiation with a laser beam or application of electric energy; a Cr-containing layer including at least Cr and O, arranged in contact with a first surface of the recording layer; and a Ga-containing layer including at least Ga and O, arranged in contact with a second surface of the recording layer.