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    MAGNETO-OPTICAL RECORDING MEDIUM
    2.
    发明授权
    MAGNETO-OPTICAL RECORDING MEDIUM 有权
    光磁记录介质

    公开(公告)号：EP1521254B1

    公开(公告)日：2009-08-26

    申请号：EP03741199.8

    申请日：2003-07-04

    申请人： Sony Corporation

    发明人： MIKI, Takeshi ,  FUJITA, Goro

    IPC分类号： G11B11/105

    CPC分类号： G11B11/10584 ,  G11B7/24076 ,  G11B7/24079 ,  G11B11/10578

    摘要： A magneto-optical recording medium of domain wall motion detection type in the form of groove recording for recording a signal in a signal recording area within a groove formed along a recording track. The radius of curvature R1 of the shoulder portion, adjacent to a groove, of the land between grooves in the cross section taken perpendicularly to the recording track is 30 nm or less, and the radius of curvature R2 of the inner edge portion, adjacent to the land, of the groove where a signal is recorded in the cross section taken perpendicularly to the recording track is 20 nm or more. The recording power margin is increased, the jitter is improved, and the error rate is also improved.

    OPTICAL RECORDING MEDIUM
    3.
    发明授权
    OPTICAL RECORDING MEDIUM 有权
    光学记录介质

    公开(公告)号：EP1398770B1

    公开(公告)日：2009-07-29

    申请号：EP02738659.8

    申请日：2002-06-12

    申请人： Sony Corporation

    发明人： Nakayama, Hiroshi, Sony Corporation ,  Takeuchi, Atsushi, Sony Corporation ,  Arima, Mitsuo, Sony Corporation

    IPC分类号： G11B7/007 ,  G11B7/24

    CPC分类号： G11B7/00745 ,  G11B7/00718 ,  G11B7/0079 ,  G11B7/24012 ,  G11B7/24085 ,  G11B7/268 ,  G11B11/10526 ,  G11B11/10578 ,  G11B11/10584 ,  G11B11/10597

    摘要： An optical recording medium which has a spiral track or concentric tracks and on which data is optically recorded. A data recording/reproducing area of the optical recording medium is radially divided into zones. Each zone is divided into sectors each having an address portion including a pit having address information and a data portion composed of only grooves. The numbers of sectors of the zones are different from one another. The relation between the average reflectance Iadd of the address portion and the average reflectance Idata of the data portion is given by 0.7 ≤ (Iadd/Idata) ≤ 1.3 or given by 0.8 ≤ (Iadd/Idata) ≤ 1.2.

    摘要翻译： 一种光学记录介质，其具有螺旋形轨道或同心轨道并且在其上光学记录数据。 光记录介质的数据记录/再现区域被径向分成区域。 每个区域被分成多个扇区，每个扇区具有地址部分，该地址部分包括具有地址信息的凹坑和仅由凹槽组成的数据部分。 区域的扇区数量彼此不同。 地址部分的平均反射率Iadd与数据部分的平均反射率Idata之间的关系由0.7≤（Iadd / Idata）≤1.3给出或由0.8≤（Iadd / Idata）≤1.2给出。

    OPTICAL STORAGE MEDIUM, OPTICAL STORAGE MEDIUM MANUFACTURING METHOD, AND OPTICAL STORAGE
    8.
    发明公开
    OPTICAL STORAGE MEDIUM, OPTICAL STORAGE MEDIUM MANUFACTURING METHOD, AND OPTICAL STORAGE 审中-公开
    光学存储介质，方法用于制造光存储介质和光存储

    公开(公告)号：EP1818922A1

    公开(公告)日：2007-08-15

    申请号：EP04801654.7

    申请日：2004-12-03

    申请人： Fujitsu Ltd.

    发明人： AOYAMA, Nobuhide, c/o FUJITSU LIMITED,

    IPC分类号： G11B11/105 ,  G11B7/24 ,  G11B7/26

    CPC分类号： G11B11/10582 ,  G11B7/00736 ,  G11B7/0079 ,  G11B7/268 ,  G11B11/10513 ,  G11B11/10517 ,  G11B11/10543 ,  G11B11/10578 ,  G11B11/10584 ,  G11B11/10597

    摘要： Recording density is improved by performing anneal processing on an optical storage medium (4). Anneal management information (40) is recorded in the optical storage medium (4) without performing anneal processing, and is provided to a user. Anneal processing is performed and high density recording and reproducing is enabled by the effect of annealing on an area between recording tracks based on the choice of the user. Since initialization processing (anneal processing) by a storage medium manufacturer can be omitted, the medium can be provided at low price. Also a deep groove medium need not be used because of the effect of annealing, thereby the manufacturing of a substrate used for a medium is easy. It is preferable that advertisement information is recorded in a pit section (4-1) as content information, so that the content can be reproduced automatically during anneal processing, and the medium price can be reduced due to advertisement fees.

    摘要翻译： 记录密度是由上到光存储介质（4）进行退火处理的改善。 退火管理信息（40）被记录在光存储介质（4）不进行退火处理，并且被提供给用户。 退火处理中进行和高密度记录和再现是通过在基于用户的选择的记录磁道之间的面积上进行退火的效果启用。 由于可以省略初始化处理（退火处理）通过存储介质的制造商，该介质可在低的价格来提供。 因此，一个deepGroove介质不必由于退火的效果的使用，由此用于介质的基板的制造是容易的。 优选所做的广告信息被记录在坑部（4-1）作为内容信息，所以也可以将内容自动退火处理过程中再现，并且该介质的价格可以降低由于广告费用。