Invention Grant
- Patent Title: Information recording material
- Patent Title (中): 信息记录材料
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Application No.: US611394Application Date: 1984-05-18
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Publication No.: US4531183APublication Date: 1985-07-23
- Inventor: Isao Morimoto , Masafumi Nakao , Koichi Mori
- Applicant: Isao Morimoto , Masafumi Nakao , Koichi Mori
- Applicant Address: JPX Osaka
- Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
- Current Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
- Current Assignee Address: JPX Osaka
- Priority: JPX56-24218 19810223
- Main IPC: B41M5/26
- IPC: B41M5/26 ; G11B7/243 ; G01D15/34
Abstract:
An information recording material comprising a substrate and a metallic recording layer, the metallic recording layer comprising a Bi film containing at least one rare earth element. The information recording material exhibits a remarkably increased sensitivity while maintaining a high S/N ratio. Where the information recording material further comprises at least one stabilizing layer of a metal oxide and/or at least one mixture layer of a metallic compound and a metal, further improvements can be attained with respect to S/N ratio, storage stability and archivability.
Public/Granted literature
- US4023974A Unburnt lead refill for writing and drawing pencils Public/Granted day:1977-05-17
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