公开(公告)号：US07423939B2

公开(公告)日：2008-09-09

申请号：US10779337

申请日：2004-02-13

Applicant: Takeshi Miki ,  Kazuhiko Fujiie ,  Yasuhito Tanaka ,  Goro Fujita ,  Tetsuhiro Sakamoto

Inventor： Takeshi Miki ,  Kazuhiko Fujiie ,  Yasuhito Tanaka ,  Goro Fujita ,  Tetsuhiro Sakamoto

IPC: G11B11/00 ,  C23C14/35 ,  C23C16/00

CPC classification number: G11B11/10582 ,  G11B11/10517 ,  G11B11/10584

Abstract: A method for manufacturing a magneto-optical recording medium in which reading of recorded information is performed through domain wall displacement in a reproduction layer is provided, in which magnetic separation of groove side-wall portions is performed more reliably; as a result a magneto-optical recording medium with satisfactory recording and reproduction characteristics can be provided. The method is to manufacture a magneto-optical recording medium in which on a substrate 1 having grooves 12 at least a reproduction layer and a recording layer, each of which is formed of magnetic layers, are deposited and recorded information is reproduced through domain wall displacement in the reproduction layer; and the method includes a first annealing process in which, after depositing at least the reproduction layer and recording layer on the substrate 1 on which are formed lands 11 and grooves 12, only side-wall portions 13 between adjacent lands 11 and grooves 12 are irradiated with laser light L1, and a second magnetization annealing process in which regions including adjacent side-wall portions 13 and lands between side-wall portions 13 are irradiated with laser light L2 having a spot diameter greater than the spot diameter of the laser light in the first annealing process, while applying an external magnetic field Hex.

Abstract translation: 提供了一种制造磁光记录介质的方法，其中通过再现层中的畴壁位移进行记录信息的读取，其中槽侧壁部分的磁分离更可靠地进行; 结果，可以提供具有令人满意的记录和再现特性的磁光记录介质。 该方法是制造磁光记录介质，其中在至少具有由磁层形成的再生层和记录层的凹槽12的基板1上沉积，并通过畴壁位移再现记录信息 在复制层; 并且该方法包括第一退火处理，其中在至少将再生层和记录层沉积在其上形成有焊盘11和凹槽12的基板1上之后，仅在相邻焊盘11和槽12之间照射侧壁部分13 激光L 1和第二磁化退火处理，其中包括相邻的侧壁部分13和侧壁部分13之间的区域的区域被照射具有大于激光的光斑直径的光点直径的激光L 2 在第一退火过程中，同时施加外部磁场H 。

公开(公告)号：US20070206449A1

公开(公告)日：2007-09-06

申请号：US11800532

申请日：2007-05-07

Applicant: Nobuhide Aoyama

Inventor： Nobuhide Aoyama

IPC: G11B11/00 ,  G11B7/24

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

Abstract: 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.

Abstract translation: 通过在光存储介质（4）上进行退火处理来提高记录密度。 退火管理信息（40）被记录在光存储介质（4）中，而不进行退火处理，并被提供给用户。 基于用户的选择，执行退火处理并且通过对记录轨道之间的区域进行退火的效果来实现高密度记录和再现。 由于可以省略由存储介质制造商进行的初始化处理（退火处理），所以可以以低价格提供介质。 由于退火的效果，因此不需要使用深沟槽介质，因此用于介质的基板的制造容易。 优选地，作为内容信息将广告信息记录在凹坑部分（4-1）中，使得可以在退火处理期间自动再现内容，并且可以通过广告费来降低中等价格。

公开(公告)号：US07072250B2

公开(公告)日：2006-07-04

申请号：US11182103

申请日：2005-07-15

Applicant: Tetsuo Hosokawa

Inventor： Tetsuo Hosokawa

IPC: G11B11/00

CPC classification number: G11B11/10584 ,  G11B11/10504 ,  G11B11/10515 ,  G11B11/10517 ,  G11B11/10582 ,  G11B11/10586

Abstract: A magneto-optical storage medium that protects against the effects of cross-talk, making it possible to further reduce the level of track density, and which also makes it possible to conduct high-density recording/playback with a reduced magnetic field for erasure and a favorable level of playback signal quality. More specifically, a magneto-optical storage medium, which includes at least the following laminated layers, in the following order: a playback layer, a non-magnetic layer, a transfer layer, a cut-off layer, and a recording layer. The playback layer preferably displays easy in-plane magnetization characteristics within the monolayer at room temperature, and the transfer layer and the recording layer each have easy magnetization characteristics in the vertical direction of the monolayers at room temperature when each layer is considered as a monolayer. In addition, if the Curie temperature for the cut-off layer is designated as Tcs, and the Curie temperature for the recording layer is designated as Tck, then Tcs

Abstract translation: 一种磁光存储介质，其防止串扰的影响，使得可以进一步降低磁道密度的水平，并且还可以用减小的磁场进行高密度记录/重放以进行擦除和 有利的回放信号质量水平。 更具体地说，一种磁光存储介质，其至少包括以下层叠层，按照以下顺序：回放层，非磁性层，转印层，截止层和记录层。 回放层优选在室温下在单层内显示容易的面内磁化特性，并且当每层被认为是单层时，转移层和记录层在室温下在单层的垂直方向各自具有容易的磁化特性。 此外，如果将切断层的居里温度设为Tc s，将记录层的居里温度设为Tc> k，则Tc < TC> 。

公开(公告)号：US06888781B2

公开(公告)日：2005-05-03

申请号：US09948222

申请日：2001-09-07

Applicant: Masatoshi Nishino ,  Junichi Horigome

Inventor： Masatoshi Nishino ,  Junichi Horigome

IPC: G11B7/0045 ,  G11B7/0055 ,  G11B7/006 ,  G11B7/125 ,  G11B7/26 ,  G11B11/105 ,  G11B11/00

CPC classification number: G11B11/10517 ,  G11B7/00454 ,  G11B7/00458 ,  G11B7/00557 ,  G11B7/006 ,  G11B7/268 ,  G11B11/10508 ,  G11B11/10526 ,  G11B11/10595

Abstract: There are provided an optical disk, a magneto-optical disk, a disk apparatus therefor, and a data recording method which can provide improved recording/reproducing characteristics and record durability without linear velocity dependency even if the data access speed is increased by increasing the channel clock frequency. In a disk device for recording data on an optical disk by using a phase change recording scheme, erasing means for erasing data on the optical disk, and recording means for recording other data on the optical disk after the data is erased are provided.

Abstract translation: 提供了一种光盘，磁光盘，其盘装置和数据记录方法，即使通过增加通道来增加数据访问速度，也可以提供改进的记录/再现特性和记录耐久性而不具有线速度依赖性 时钟频率。 在用于通过使用相变记录方案在光盘上记录数据的盘装置中，提供了用于擦除光盘上的数据的擦除装置，以及用于在数据被擦除之后在光盘上记录其它数据的记录装置。

公开(公告)号：US20030210489A1

公开(公告)日：2003-11-13

申请号：US10253241

申请日：2002-09-24

Applicant: YEC CO., LTD.

Inventor： Tomoaki Hirakata ,  Masaru Igarashi ,  Hiroshi Takahashi

IPC: G11B005/02 ,  G11B005/03

CPC classification number: G11B20/10 ,  G11B5/012 ,  G11B5/024 ,  G11B7/0055 ,  G11B11/10517

Abstract: A data eraser for erasing data recorded on a data recording medium, where data recorded on the recording medium can be erased in a short time period. Data produced in the CPU of the controller is stored in the memory as a random unit data; the unit data are repeatedly and continuously written in the memory to constitute record data for erasing purpose; the thus produced recording data for erasing are written on the hard disc to erase the data memorized in the hard disc. Since the time for producing random data, which normally takes time, is shortened, the time for proceeding as a whole can be shortened.

Abstract translation: 用于擦除记录在数据记录介质上的数据的数据擦除器，其中记录在记录介质上的数据可以在短时间内被擦除。 在控制器的CPU中产生的数据作为随机单元数据存储在存储器中; 单元数据被重复地连续地写入存储器中以构成用于擦除目的的记录数据; 将由此产生的用于擦除的记录数据写入硬盘以擦除存储在硬盘中的数据。 由于缩短通常需要时间的随机数据的生成时间，所以可以缩短进行整体的时间。

公开(公告)号：US5956295A

公开(公告)日：1999-09-21

申请号：US672483

申请日：1996-06-26

Applicant: Teruji Yamakawa ,  Kiyomi Ogino ,  Takehiko Numata

Inventor： Teruji Yamakawa ,  Kiyomi Ogino ,  Takehiko Numata

IPC: G11B20/10 ,  G11B7/125 ,  G11B11/10 ,  G11B11/105 ,  G11B19/12 ,  G11B11/00

CPC classification number: G11B7/126 ,  G11B11/10597 ,  G11B19/12 ,  G11B11/10517 ,  G11B11/10519

Abstract: A magneto-optical recording system which is compatible the write-after-erase magneto-optical media and the directly-over-write magneto-optical media. The magneto-optical recording system provided by the present invention includes a detector used for detecting the type of the medium and a controller coupled to the detector and controlling a write-after-erase operation or a direct-over-write operation with respect to the medium responsive to the medium type.

Abstract translation: 一种兼容擦写后磁光介质和直写写磁光介质的磁光记录系统。 由本发明提供的磁光记录系统包括用于检测介质类型的检测器和耦合到检测器的控制器，并且控制相对于该检测器的擦除后擦除操作或直接重写操作 介质响应介质类型。

公开(公告)号：US5949747A

公开(公告)日：1999-09-07

申请号：US868070

申请日：1997-06-03

Applicant: Akira Miyashita ,  Takaaki Ashinuma

Inventor： Akira Miyashita ,  Takaaki Ashinuma

IPC: G11B7/00 ,  G11B7/0045 ,  G11B7/0055 ,  G11B7/007 ,  G11B7/125 ,  G11B11/105

CPC classification number: G11B7/126 ,  G11B11/10517 ,  G11B11/10595 ,  G11B7/0055 ,  G11B7/00718

Abstract: A test recording method is provided to determine an optimum power of a light output from a light source in erasing pieces of information recorded on a land and a groove of a recording medium. A predetermined signal is recorded on a predetermined track of the medium. Data on a track adjacent to the track where the signal is recorded is erased with different erasing powers. The signal recorded on the track is reproduced to detect a reproduction signal. An optimum erasing power is set on the basis of the reproduction signal and the different erasing powers.

Abstract translation: 提供一种测试记录方法，用于在擦除记录在记录介质的台面和凹槽上的信息中确定从光源输出的光的最佳功率。 预定信号被记录在介质的预定轨道上。 与记录信号的轨道相邻的轨道上的数据以不同的擦除功率被擦除。 记录在磁道上的信号被再现以检测再现信号。 基于再现信号和不同的擦除功率设置最佳擦除功率。

公开(公告)号：US5859815A

公开(公告)日：1999-01-12

申请号：US357643

申请日：1994-12-15

Applicant: Hiraku Inoue ,  Yuji Arataki

Inventor： Hiraku Inoue ,  Yuji Arataki

IPC: G11B11/10 ,  G11B11/105 ,  G11B20/10 ,  G11B20/12 ,  G11B27/00 ,  G11B27/02 ,  G11B27/034 ,  G11B27/036 ,  G11B27/10 ,  G11B27/11 ,  G11B27/19 ,  G11B27/24 ,  G11B27/30 ,  G11B27/32 ,  G11B27/34 ,  G11B17/22 ,  G11B3/90

CPC classification number: G11B27/11 ,  G11B11/10595 ,  G11B20/10527 ,  G11B20/1251 ,  G11B27/036 ,  G11B27/329 ,  G11B11/10504 ,  G11B11/10517 ,  G11B2020/10592 ,  G11B2220/2525 ,  G11B2220/2529 ,  G11B2220/2545 ,  G11B2220/65 ,  G11B27/034 ,  G11B27/19 ,  G11B27/24 ,  G11B27/3027 ,  G11B27/34

Abstract: The present invention provides a method for recording digital data utilizing a digital recording system having a recording area. The method includes a recording step and an erasing step. The recording step includes recording a first digital sequence in the recording area. The first digital sequence is then both preceded by and followed by a non-recordable area. The erasing step includes erasing the first digital sequence, as well as both non-recordable areas from the recording area, pursuant to a command to erase the first digital sequence. A start address and an end address is kept in a management area of the recording medium for each digital sequence stored in the recording area. When a command to erase the first digital sequence is received, a magnetic head and an optical pick-up sequentially erase from an address following an end address of a preceding sequence to an address preceding a start address of a succeeding sequence. Information on start and end addresses of digital sequences and their positions with respect to each other both physically on the disk and as they are read pursuant to a read command is stored in tabular form in the management area. An apparatus for performing the above operations is also provided.

Abstract translation: 本发明提供了利用具有记录区域的数字记录系统来记录数字数据的方法。 该方法包括记录步骤和擦除步骤。 记录步骤包括在记录区域中记录第一数字序列。 然后，第一个数字序列都在不可记录区域之前和之后。 擦除步骤包括根据擦除第一数字序列的命令擦除第一数字序列以及从记录区域的两个不可记录区域。 开始地址和结束地址保存在记录区中存储的每个数字序列的记录介质的管理区域中。 当接收到擦除第一数字序列的命令时，磁头和光拾取器从先前序列的结束地址之后的地址顺序擦除到后续序列的起始地址之前的地址。 关于数字序列的开始和结束地址及其在磁盘上的物理位置以及根据读取命令读取的位置的信息以表格形式存储在管理区域中。 还提供了一种用于执行上述操作的装置。

公开(公告)号：US5715424A

公开(公告)日：1998-02-03

申请号：US763876

申请日：1996-12-11

Applicant: Leonard George Jesionowski ,  John Edward Kulakowski ,  Rodney Jerome Means

Inventor： Leonard George Jesionowski ,  John Edward Kulakowski ,  Rodney Jerome Means

IPC: G06F3/06 ,  G06F12/08 ,  G11B7/006 ,  G11B11/105 ,  G11B20/18 ,  G11B27/36 ,  G06F12/00

CPC classification number: G06F3/0611 ,  G06F12/0866 ,  G06F3/0613 ,  G06F3/0652 ,  G06F3/0655 ,  G06F3/0677 ,  G11B11/10517 ,  G11B11/10595 ,  G11B20/1879 ,  G11B27/36 ,  G11B7/006 ,  G11B2020/10916

Abstract: An apparatus and method are provided for amortizing the adverse performance impact of an erase-write-verify process for rewritable optical disks, with its numerous delays, over multiple sectors. A block of data to be written to a sector on a particular track of the disk is transferred from the host to a cache storage device. When a predetermined number of blocks to be written to the track have accumulated in the cache, destaging will occur. Those sectors to which the blocks will be written are erased in a single pass. Then the blocks are written to the erased sectors in the next pass. Verification of the written data, if desired, can be performed in a third pass. Consequently, only two passes per track (or three, if verification is desired) are required to record data from the host to the disk instead of two passes (or three) per block using conventional methods and the seek and latency delays are also reduced. Multiple tracks can be destaged in an order established by a controller. Immediate destaging can occur if an event occurs requiring destaging which would otherwise jeopardize the integrity of the blocks of data retained in the cache.

Abstract translation: 提供了一种装置和方法，用于在多个扇区上对其进行擦除写入验证的擦除写入验证过程的不利性能影响，以及其许多延迟。 要写入到盘的特定轨道上的扇区的数据块从主机传送到高速缓存存储设备。 当要写入轨道的预定数量的块已累积在高速缓存中时，将发生分级。 这些块将被写入的扇区将在一次通过中被擦除。 然后在下一遍中将块写入已擦除的扇区。 如果需要，可以在第三遍中执行写入数据的验证。 因此，每个磁道（或三个，如果验证是期望的）只需要两次传递，以便使用常规方法将数据从主机记录到磁盘，而不是每个块的两遍（或三个），并且寻求和延迟延迟也减少。 多个轨道可以按照控制器建立的顺序进行转储。 如果发生事件需要降级，否则会危及缓存中保留的数据块的完整性，可能会立即发生故障。

公开(公告)号：USRE35630E

公开(公告)日：1997-10-14

申请号：US269395

申请日：1994-06-30

Applicant: Jun Saito ,  Masatoshi Sato ,  Hiroyuki Matsumoto

Inventor： Jun Saito ,  Masatoshi Sato ,  Hiroyuki Matsumoto

IPC: G11B5/02 ,  G11B11/10 ,  G11B11/105 ,  G11B11/00

CPC classification number: G11B11/10591 ,  G11B11/10506 ,  G11B11/10517 ,  G11B11/10519 ,  G11B11/10532 ,  G11B11/10552 ,  G11B11/10534 ,  Y10S428/928 ,  Y10T428/12465

Abstract: A multi-layered magnetooptical recording medium that satisfies predetermined formulas is over write capable when used, in a recording method and apparatus, with a jointing field, i.e., a magnetic field the intensity of which decreases continuously from an initial field to a bias field having the same direction as the initial field, permitting greater freedom in the choice of media compositions. In a two-layer structure including magnetically coupled recording and reference layers, recorded data may advantageously be reproduced from the reference layer.

Abstract translation: 满足预定公式的多层磁光记录介质在使用时具有过写能力，在记录方法和装置中具有连接场，即其强度从初始场连续减小到具有 与初始场相同的方向，允许在选择媒体作品时更大的自由度。 在包括磁耦合记录和参考层的两层结构中，可以有利地从参考层再现所记录的数据。