Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Reexamination Certificate
2003-09-12
2008-11-11
Mulvaney, Elizabeth (Department: 1794)
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
C428S064500, C428S064600, C430S270130
Reexamination Certificate
active
07449225
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.
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Kojima Rie
Nishihara Takashi
Sakaguchi Takeshi
Yamada Noboru
Hamre Schumann Mueller & Larson P.C.
Mulvaney Elizabeth
Panasonic Corporation
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