Digital information reproduction method
    1.
    发明授权
    Digital information reproduction method 失效
    数字信息再现方法

    公开(公告)号:US08095844B2

    公开(公告)日:2012-01-10

    申请号:US12153328

    申请日:2008-05-16

    IPC分类号: G06F11/00

    摘要: An optical disc using super-resolution effects that achieves higher-density recording exceeding the optical resolution suffers from the signal-quality degradation caused by the normal resolution component included in the reproduction signal. To address this problem, a data reproduction method is provided. In the method, characteristic error patterns are identified and parity check codes in conformity with run-length limited coding are used to carry out efficient and reliable error correction. Error patterns caused by the normal resolution crosstalk are localized in the leading edges of a mark following a long space and in the trailing edges of a long mark. Whether an error exists in the data is determined by use of the parity check codes. When an error occurs, a pattern in which an error is most likely to occur is selected from the above-mentioned patterns by taking account of the edge shift direction, and then the error therein is corrected.

    摘要翻译: 使用实现超过光学分辨率的更高密度记录的超分辨率效果的光盘遭受由再现信号中包括的正常分辨率分量引起的信号质量劣化。 为了解决这个问题,提供了一种数据再现方法。 在该方法中,识别特征误差模式,并且使用符合游程长度限制编码的奇偶校验码进行有效和可靠的纠错。 由正常分辨率串扰引起的误差图案位于长间隔后面的标记的前边缘以及长标记的后缘。 通过使用奇偶校验码来确定数据中是否存在错误。 当发生错误时,通过考虑边缘移位方向从上述模式中选择出现错误最可能发生的模式,然后校正其中的错误。

    Information reproduction method and information recording medium
    3.
    发明申请
    Information reproduction method and information recording medium 审中-公开
    信息再现方法和信息记录介质

    公开(公告)号:US20060040088A1

    公开(公告)日:2006-02-23

    申请号:US10931085

    申请日:2004-09-01

    IPC分类号: B32B3/02

    摘要: Disclosed are an information reproduction method and an information recording medium that allow reproducing information below a diffraction limit. A recording layer formed with recording marks consisting of a nucleation inducer and a reading layer are provided. When a reading beam is irradiated, a predetermined area of the reading layer is crystallized based on the recording mark of the recording layer such that the area is magnified to a size larger than the recording mark, and information is thus reproduced. Information of the recording marks below the diffraction limit can be reproduced without using a special information reproduction apparatus.

    摘要翻译: 公开了一种信息再现方法和允许在衍射极限以下再现信息的信息记录介质。 提供了由成核诱导剂和读取层组成的记录标记形成的记录层。 当照射读取光束时,读取层的预定区域基于记录层的记录标记结晶,使得该区域被放大到大于记录标记的尺寸,并因此再现信息。 可以在不使用特殊信息再现装置的情况下再现低于衍射极限的记录标记的信息。

    Optical disk medium and tracking method
    4.
    发明授权
    Optical disk medium and tracking method 有权
    光盘介质和跟踪方法

    公开(公告)号:US07990817B2

    公开(公告)日:2011-08-02

    申请号:US11882915

    申请日:2007-08-07

    IPC分类号: G11B7/00

    摘要: A super-resolution material is formed in only a data pit, in a low temperature state of the super-resolution material, reflectivity of each of a pit portion and a space portion and an optical phase difference therebetween are set to be sufficiently small, in a high temperature state, and at least the optical phase difference between the pit and the space is set to be larger than the aforementioned value in an absolute value. Accordingly, by conducting irradiation with an appropriate read power by which substantially only one data track width can be heated to a high temperature state, a good push-pull signal can be obtained even with a track pitch being less than a diffraction limit. At the same time, by an optical device having functions such as a switching means with a DPP type, an offset correcting means of the push-pull signal due to lens shift, a shaping means of the push-pull signal, a learning means of read power, and the like, there is provided an optical disk device that corresponds to the optical disk medium of the present invention and achieves an increase in capacity.

    摘要翻译: 仅在数据凹坑中形成超分辨率材料,在超分辨率材料的低温状态下,凹坑部分和空间部分的每一个的反射率以及它们之间的光学相位差被设置为足够小,在 高温状态,并且凹坑和空间之间的至少光学相位差被设定为大于上述绝对值的值。 因此,通过以基本上只有一个数据磁道宽度可以被加热到高温状态的适当的读取功率进行照射,即使轨道间距小于衍射极限,也可以获得良好的推挽信号。 同时,通过具有诸如DPP型切换装置的功能的光学装置,由于透镜移位引起的推挽信号的偏移校正装置,推挽信号的整形装置,学习装置 读取功率等,提供了对应于本发明的光盘介质的光盘装置,并且实现了容量的增加。

    Method of fabricating devices and observing the same
    6.
    发明申请
    Method of fabricating devices and observing the same 审中-公开
    制造器件并进行观察的方法

    公开(公告)号:US20050106508A1

    公开(公告)日:2005-05-19

    申请号:US10933215

    申请日:2004-09-03

    摘要: In fabricating process using a light beam or electron beam, reactivity is determined by the total amounts of photons or electrons absorbed by resist and consequently, fine fabrication cannot be achieved. On the other hand, thermal recording has been proposed but in the thermal recording, miniaturization of the fabrication size depends on a spot size of light beam or electron beam used for recording and is limited. Under the circumstance, to ensure a fine uneven pattern to be produced with high reproducibility, only crystal of a recording film used in a phase-change optical disk is peeled off by using an alkaline solution or pure water to leave only an amorphous portion on the sample surface and as a result, crystalline and amorphous patterns are converted into an uneven pattern.

    摘要翻译: 在使用光束或电子束的制造工艺中,反应性由抗蚀剂吸收的光子或电子的总量确定,因此不能实现精细的制造。 另一方面,已经提出了热记录,但是在热记录中,制造尺寸的小型化取决于用于记录的光束或电子束的光点大小,并且是有限的。 在这种情况下,为了确保以高再现性产生精细的不均匀图案,只有使用碱性溶液或纯水才能将相变光盘中使用的记录膜的晶体剥离,才能在 样品表面,结果,晶体和非晶形式转变成不均匀的图案。

    Optical disc medium and optical disc device
    7.
    发明授权
    Optical disc medium and optical disc device 有权
    光盘介质和光盘设备

    公开(公告)号:US07746757B2

    公开(公告)日:2010-06-29

    申请号:US11704963

    申请日:2007-02-12

    IPC分类号: G11B3/70

    摘要: Provided are a medium structure which allows track narrowing onto a three-dimensional pit selection type disc, and its corresponding optical disc device. Multiple data pit strings are formed between track guide grooves, and a phase-change recording film is formed only in the data pit strings. Thereby, a disc configuration is achieved. Reflectivity and a phase of each of a space portion and a mark portion are appropriately set. Thereby, normal resolution signal cancel is implemented to prevent deterioration in data crosstalk and a push-pull signal. An optical disc medium of the present invention is supported by an optical disc device having a configuration in which a signal is selected from a push-pull signal of a main beam and push-pull signals of sub-beams to read out wobble address information.

    摘要翻译: 提供了允许轨道变窄到三维凹坑选择型盘及其对应的光盘装置的中等结构。 在轨迹引导槽之间形成多个数据凹坑串,并且仅在数据凹坑串中形成相变记录膜。 由此,实现了盘配置。 适当地设定空间部分和标记部分的反射率和相位。 因此,实现正常分辨率信号消除以防止数据串扰和推挽信号的劣化。 本发明的光盘介质由具有从主波束的推挽信号中选择信号和子波束的推挽信号的配置的光盘装置支持,以读出摆动地址信息。

    Optical disk medium and tracking method
    8.
    发明申请
    Optical disk medium and tracking method 有权
    光盘介质和跟踪方法

    公开(公告)号:US20080285431A1

    公开(公告)日:2008-11-20

    申请号:US11882915

    申请日:2007-08-07

    IPC分类号: G11B7/26

    摘要: A super-resolution material is formed in only a data pit, in a low temperature state of the super-resolution material, reflectivity of each of a pit portion and a space portion and an optical phase difference therebetween are set to be sufficiently small, in a high temperature state, and at least the optical phase difference between the pit and the space is set to be larger than the aforementioned value in an absolute value. Accordingly, by conducting irradiation with an appropriate read power by which substantially only one data track width can be heated to a high temperature state, a good push-pull signal can be obtained even with a track pitch being less than a diffraction limit. At the same time, by an optical device having functions such as a switching means with a DPP type, an offset correcting means of the push-pull signal due to lens shift, a shaping means of the push-pull signal, a learning means of read power, and the like, there is provided an optical disk device that corresponds to the optical disk medium of the present invention and achieves an increase in capacity.

    摘要翻译: 仅在数据凹坑中形成超分辨率材料,在超分辨率材料的低温状态下,凹坑部分和空间部分的每一个的反射率以及它们之间的光学相位差被设置为足够小,在 高温状态,并且凹坑和空间之间的至少光学相位差被设定为大于上述绝对值的值。 因此,通过以基本上只有一个数据磁道宽度可以被加热到高温状态的适当的读取功率进行照射,即使轨道间距小于衍射极限,也可以获得良好的推挽信号。 同时,通过具有诸如DPP型切换装置的功能的光学装置,由于透镜移位引起的推挽信号的偏移校正装置,推挽信号的整形装置,学习装置 读取功率等,提供了对应于本发明的光盘介质的光盘装置,并且实现了容量的增加。

    Optical disc medium and optical disc device
    10.
    发明申请
    Optical disc medium and optical disc device 有权
    光盘介质和光盘设备

    公开(公告)号:US20080159119A1

    公开(公告)日:2008-07-03

    申请号:US11704963

    申请日:2007-02-12

    IPC分类号: G11B7/24

    摘要: Provided are a medium structure which allows track narrowing onto a three-dimensional pit selection type disc, and its corresponding optical disc device. Multiple data pit strings are formed between track guide grooves, and a phase-change recording film is formed only in the data pit strings. Thereby, a disc configuration is achieved. Reflectivity and a phase of each of a space portion and a mark portion are appropriately set. Thereby, normal resolution signal cancel is implemented to prevent deterioration in data crosstalk and a push-pull signal. An optical disc medium of the present invention is supported by an optical disc device having a configuration in which a signal is selected from a push-pull signal of a main beam and push-pull signals of sub-beams to read out wobble address information.

    摘要翻译: 提供了允许轨道变窄到三维凹坑选择型盘及其对应的光盘装置的介质结构。 在轨迹引导槽之间形成多个数据凹坑串,并且仅在数据凹坑串中形成相变记录膜。 由此,实现了盘配置。 适当地设定空间部分和标记部分的反射率和相位。 从而,实现正常分辨率信号消除以防止数据串扰和推挽信号的劣化。 本发明的光盘介质由具有从主波束的推挽信号中选择信号和子波束的推挽信号的配置的光盘装置支持,以读出摆动地址信息。