发明授权
- 专利标题： Information recording medium
- 专利标题（中）： 信息记录介质
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申请号： US373666申请日： 1989-06-29
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公开(公告)号： US4908835A公开(公告)日： 1990-03-13
- 发明人: Kenichi Nishiuchi , Nobuo Akahira , Noboru Yamada , Eiji Ohno
- 申请人： Kenichi Nishiuchi , Nobuo Akahira , Noboru Yamada , Eiji Ohno
- 申请人地址： JPX Kadoma
- 专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人地址： JPX Kadoma
- 优先权： JPX59-148801 19840718
- 主分类号： G11B7/24
- IPC分类号： G11B7/24 ; G11B7/0037 ; G11B7/0045 ; G11B7/241 ; G11B7/26 ; G11C13/04
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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