Stock material or miscellaneous articles – Circular sheet or circular blank
Reexamination Certificate
2005-03-07
2008-08-05
Mulvaney, Elizabeth (Department: 1794)
Stock material or miscellaneous articles
Circular sheet or circular blank
C428S064400, C428S064500, C428S064600, C430S270130
Reexamination Certificate
active
07407697
ABSTRACT:
An information recording medium is provided that has high recording sensitivity for recording information and superior repeated rewriting performance. The information recording medium has at least a recording layer that is changeable between a crystalline phase and an amorphous phase by applying a laser beam or electric current and a dielectric layer. The dielectric layer contains at least C, Si, Sn and O. Alternatively, the information recording medium includes at least two information layers with at least one of the information layer including at least a recording layer that is changeable between a crystalline phase and an amorphous phase by applying a laser beam or electric current and a dielectric layer. The dielectric layer contains at least C, Si, Sn and O.
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Chinese Office Action issued Jan. 4, 2008 in corresponding Chinese application.
Doi Yukako
Kojima Rie
Nishihara Takashi
Yamada Noboru
Matsushita Electric - Industrial Co., Ltd.
Mulvaney Elizabeth
Wenderoth , Lind & Ponack, L.L.P.
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