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. 11, 2008
Filed:
Sep. 12, 2003
Takashi Nishihara, Hirakata, JP;
Rie Kojima, Kadoma, JP;
Noboru Yamada, Hirakata, JP;
Takeshi Sakaguchi, Ibaraki, JP;
Takashi Nishihara, Hirakata, JP;
Rie Kojima, Kadoma, JP;
Noboru Yamada, Hirakata, JP;
Takeshi Sakaguchi, Ibaraki, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An information recording medium of the present invention includes a substrate and an information layer arranged on the substrate. The information layer includes a recording layer that is changed in phase reversibly between a crystalline phase and an amorphous phase by at least one of optical means and electrical means, and at least one crystalline nucleation layer that contains at least one element selected from Bi and Te and at least one element (M1) selected from Sc, Y, La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Yb, and Lu and is provided in contact with the recording layer.