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    • 1. 发明授权
    • Magneto-optical recording medium
    • 磁光记录介质
    • US06319623B1
    • 2001-11-20
    • US09497712
    • 2000-02-04
    • Etsuro IkedaHiroshi Miura
    • Etsuro IkedaHiroshi Miura
    • G11B566
    • G11B11/10582G11B11/10591Y10S428/90
    • A magneto-optical recording medium is disclosed with which magneto-optical recording is performed by a magnetic-field modulation method and which enables stable recording characteristics to be realized even if the intensity of the recording magnetic field is somewhat changed. When a magneto-optical recording medium incorporating a signal recording layer made of TbFeCoCr and arranged such that a magneto-optical recording operation is performed with respect to the signal recording layer by the magnetic-field modulation method is manufactured, the signal recording layer is formed such that the total quantity of Tb and Cr contained in the signal recording layer is 24±1 at %. After the signal recording layer has been formed, exposure to stem by 30×10−6 Torr·sec to 10000×10−6 Torr·sec or exposure to oxygen by 10×10−6 Torr·sec to 50×10−6 Torr·sec is performed to oxidize the surface of the signal recording layer.
    • 公开了一种磁光记录介质,通过磁场调制方法进行磁光记录,即使记录磁场的强度稍微改变,也能够实现稳定的记录特性。 当制造包含由TbFeCoCr制成的信号记录层并且通过磁场调制方法相对于信号记录层进行磁光记录操作而布置的磁光记录介质时,形成信号记录层 使得信号记录层中包含的Tb和Cr的总量为24±1at%。 在形成信号记录层之后,进行30×10 -6 Torr.sec暴露于10000×10 -6 Torr.sec或暴露于氧气10×10 -6 Torr.sec至50×10 -6 Torr.sec以氧化表面 的信号记录层。