4.
    发明专利
    未知

    公开(公告)号:DE602004010897D1

    公开(公告)日:2008-02-07

    申请号:DE602004010897

    申请日:2004-03-10

    Applicant: SONY CORP

    Abstract: An optical recording medium using Sn as the recording material to improve the jitter is provided, in which on the surface of a disc substrate 11 where a concave and convex shape dividing a track area is formed, are formed on the surface of the concave and convex shape a first protective layer 31 for protecting at least an optical recording layer 31, an optical recording layer 12 using a chemical compound at least composed of tin (Sn), nitrogen (N) and oxygen (O), formed on the first protective layer, a second protective layer 32 for protecting this optical recording layer, formed on this optical recording layer, and a light-transmittable layer 13 formed on the second protective layer; with this structure, the optical recording layer 12 under high temperature and high humidity can be stabilized by means of the first and second protective layers 31 and 32.

    REWRITABLE OPTICAL INFORMATION RECORDING MEDIUM AND RECORDING/REPRODUCING METHOD, RECORDING/REPRODUCING DEVICE
    7.
    发明公开
    REWRITABLE OPTICAL INFORMATION RECORDING MEDIUM AND RECORDING/REPRODUCING METHOD, RECORDING/REPRODUCING DEVICE 审中-公开
    AUFZEICHNUNGS- / REPRODUZIERVORRICHTUNG的AUFZEICHNUNGS- / REPRODUZIERVERFAHREN日前宣布的最新消息

    公开(公告)号:EP1484191A4

    公开(公告)日:2005-03-02

    申请号:EP03743454

    申请日:2003-02-14

    CPC classification number: G11B7/00452 G11B7/244 G11B7/248 G11B7/249

    Abstract: A rewritable optical information recording medium including a recording layer composed of an organic dye film is provided, in which recording and erasing information can be performed reversibly by laser light irradiation. A rewritable optical information recording medium including at least one organic dye film which is substantially made of only at least one kind of organic dye compounds as a recording film is provided. The recording and erasure of information are performed by a reversible physical change of the organic dye film substance caused by laser light irradiation. Specifically, data recording is performed by a physical change locally caused by the irradiation of recording laser light, data reproduction is performed by detecting change in intensity of returned light of reproducing laser light having less power than the recording laser light, and data erasure is performed by applying at least once continuous light or pulse light having laser power more than the reproducing laser light and less than the recording laser light. The physical change is a change in shape.

    Abstract translation: 提供了包括由有机染料膜组成的记录层的可重写光学信息记录介质,其中可以通过激光照射可逆地进行记录和擦除信息。 提供了包括至少一种仅由至少一种作为记录膜的有机染料化合物制成的有机染料膜的可重写光学信息记录介质。 通过激光照射引起的有机染料膜物质的可逆物理变化来进行信息的记录和擦除。 具体地,通过由记录激光的照射局部引起的物理变化来进行数据记录,通过检测具有比记录激光的功率更小的再现激光的返回光的强度的变化来执行数据再现,并且执行数据擦除 通过施加至少一次具有比再现激光更多的激光功率并小于记录激光的连续光或脉冲光。 物理变化是形状的变化。

    8.
    发明专利
    未知

    公开(公告)号:BRPI1002361A2

    公开(公告)日:2011-07-26

    申请号:BRPI1002361

    申请日:2010-01-12

    Applicant: SONY CORP

    Abstract: An optical information recording medium includes a recording layer in which a recording mark formed of a cavity is formed in accordance with a light for recording, and which contains therein a compound having a skeleton expressed by the general formula (1): where R 1 , R 2 , R 3 , and R 4 are either hydrogen atoms or substituents.

    9.
    发明专利
    未知

    公开(公告)号:DE602006003358D1

    公开(公告)日:2008-12-11

    申请号:DE602006003358

    申请日:2006-03-09

    Applicant: SONY CORP

    Abstract: A write once optical recording medium has an inorganic recording film, the inorganic recording film includes an oxide film (3) of which principal component is germanium oxide GeO and a metal film (2) adjacent to this oxide film (3), the metal film (2) having a principal component of titanium/silicon alloy TiSi. According to this arrangement, it is possible to construct an inexpensive write once optical recording medium with large strength capable of high density recording by using a short wavelength light source and an optical system with a high numerical aperture having excellent characteristics.

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