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:
May. 08, 2012
Filed:
Jun. 09, 2008
Rie Kojima, Osaka, JP;
Noboru Yamada, Osaka, JP;
Tosiyuki Matunaga, Osaka, JP;
Takashi Nishihara, Osaka, JP;
Rie Kojima, Osaka, JP;
Noboru Yamada, Osaka, JP;
Tosiyuki Matunaga, Osaka, JP;
Takashi Nishihara, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An information recording medium () of the present invention is an information recording medium that allows information to be recorded thereon by being irradiated with an optical beam or by being applied with electrical energy, and includes at least a recording layer () whose phase can change. The recording layer () contains antimony (Sb), carbon (C), and a light element (L) having an atomic weight of less than 33. The light element (L) preferably is at least one element selected from B, N, O, Mg, Al, and S. For example, the recording layer () may be composed of a material represented by a composition SbCL, where the subscripts 100-x-y, x, and y denote composition ratios of Sb, C, and the L in atomic percentage, respectively, and x and y satisfy x+y≦50.