发明名称 |
Information recording medium |
摘要 |
A method of measuring reliability of an information recording medium which comprises an information recording thin film. The method comprises the steps of heating said film at least once to its melting point, rapidly cooling said film after heating, measuring a transition temperature of said film after cooling, and comparing said transition temperature with a predetermined reference temperature.
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申请公布号 |
US4908835(A) |
申请公布日期 |
1990.03.13 |
申请号 |
US19890373666 |
申请日期 |
1989.06.29 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
NISHIUCHI, KENICHI;AKAHIRA, NOBUO;YAMADA, NOBORU;OHNO, EIJI |
分类号 |
G11B7/24;G11B7/0037;G11B7/0045;G11B7/241;G11B7/26;G11C13/04 |
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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