发明名称 |
Information recording medium and method for producing the same, and method for recording/reproducing information thereon |
摘要 |
An information recording medium includes a first information layer and a second information layer. The first information layer includes a first recording layer in which a reversible phase change is caused between a crystalline phase and an amorphous phase by irradiation of a laser beam or application of current. The second information layer includes a second recording layer in which a reversible phase change is caused between a crystalline phase and an amorphous phase by the irradiation of the laser beam or the application of the current. The first recording layer is made of a first material, the second recording layer is made of a second material, and the first material is different from the second material.
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申请公布号 |
US7002896(B2) |
申请公布日期 |
2006.02.21 |
申请号 |
US20030637842 |
申请日期 |
2003.08.08 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
NISHIHARA TAKASHI;KOJIMA RIE;YAMADA NOBORU |
分类号 |
G11B7/24;G11B7/0045;G11B7/125;G11B7/24038;G11B7/243;G11B7/253;G11B7/2531;G11B7/2533;G11B7/2534;G11B7/26 |
主分类号 |
G11B7/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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