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公开(公告)号：EP0182367B1
公开(公告)日：1990-04-18
申请号：EP85114737.1
申请日：1985-11-19
Applicant: Hitachi Maxell Ltd.
Inventor： Ichijo, Minoru , Ohiwa, Tsunemi , Kokai, Fumio , Kubota, Takashi , Wakai, Kunio
CPC classification number: G11B5/722 , G11B5/84 , Y10S428/90 , Y10T428/31663
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公开(公告)号：EP0253401B1
公开(公告)日：1991-11-21
申请号：EP87110343.8
申请日：1987-07-17
Applicant: Hitachi Maxell Ltd.
Inventor： Gotoh, Akira , Shimizu, Mitsuru , Yamazaki, Katsunobu , Kokai, Fumio
CPC classification number: G11B7/252 , G11B7/24 , G11B7/241 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2575 , G11B2007/24316
Abstract: l. In an optical recording disc comprising a triggering layer formed on a disc substrate through an adiabatic layer and a recording layer formed on the triggering layer, the triggering layer is made of material to be meltable or decomposable at a temperature lower than the melting point or decomposition point of the material of the recording layer. a
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Patent Agency Ranking
公开(公告)号：EP0230911A2
公开(公告)日：1987-08-05
申请号：EP87100431.3
申请日：1987-01-15
Applicant: Hitachi Maxell Ltd.
Inventor： Kokai, Fumio , Ichijo, Minoru , Wakai, Kunio
CPC classification number: G11B5/72 , Y10S428/90 , Y10T428/265 , Y10T428/30
Abstract: A magnetic recording medium which comprises a substrate, a magnetic layer on the substrate and a protective layer which is formed directly on the magnetic layer or on an undercoat layer formed on the magnetic layer, the protective layer comprising a carbonaceous material essentially consisting of carbon, hydrogen and oxygen, which has improved traveling properties and abrasion resistance.
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公开(公告)号：EP0182367A3
公开(公告)日：1987-12-02
申请号：EP85114737
申请日：1985-11-19
Applicant: Hitachi Maxell Ltd.
Inventor： Ichijo, Minoru , Ohiwa, Tsunemi , Kokai, Fumio , Kubota, Takashi , Wakai, Kunio
CPC classification number: G11B5/722 , G11B5/84 , Y10S428/90 , Y10T428/31663
Abstract: A magnetic recording medium comprising a substrate, a magnetic layer and a protective layer which consists of an organic polymeric material comprising carbon atom, hydrogen atom and oxygen atom, the content of the oxygen atom increasing towards the outer surface of the protective layer, which has improved durability and corrosion resistance.
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公开(公告)号：EP0182367A2
公开(公告)日：1986-05-28
申请号：EP85114737.1
申请日：1985-11-19
Applicant: Hitachi Maxell Ltd.
Inventor： Ichijo, Minoru , Ohiwa, Tsunemi , Kokai, Fumio , Kubota, Takashi , Wakai, Kunio
CPC classification number: G11B5/722 , G11B5/84 , Y10S428/90 , Y10T428/31663
Abstract: A magnetic recording medium comprising a substrate, a magnetic layer and a protective layer which consists of an organic polymeric material comprising carbon atom, hydrogen atom and oxygen atom, the content of the oxygen atom increasing towards the outer surface of the protective layer, which has improved durability and corrosion resistance.
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公开(公告)号：EP0230911B1
公开(公告)日：1992-04-15
申请号：EP87100431.3
申请日：1987-01-15
Applicant: Hitachi Maxell Ltd.
Inventor： Kokai, Fumio , Ichijo, Minoru , Wakai, Kunio
CPC classification number: G11B5/72 , Y10S428/90 , Y10T428/265 , Y10T428/30
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公开(公告)号：EP0253401A1
公开(公告)日：1988-01-20
申请号：EP87110343.8
申请日：1987-07-17
Applicant: Hitachi Maxell Ltd.
Inventor： Gotoh, Akira , Shimizu, Mitsuru , Yamazaki, Katsunobu , Kokai, Fumio
CPC classification number: G11B7/252 , G11B7/24 , G11B7/241 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2575 , G11B2007/24316
Abstract: l. In an optical recording disc comprising a triggering layer formed on a disc substrate through an adiabatic layer and a recording layer formed on the triggering layer, the triggering layer is made of material to be meltable or decomposable at a temperature lower than the melting point or decomposition point of the material of the recording layer.
Abstract translation: 湖 在包括通过绝热层形成在盘基片上的触发层和形成在触发层上的记录层的光记录盘中，触发层由在低于熔点或分解的温度下可熔化或可分解的材料制成 点的材料的记录层。 一个
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