Alumina fiber structure
    3.
    发明授权
    Alumina fiber structure 失效
    氧化铝纤维结构

    公开(公告)号:US4752515A

    公开(公告)日:1988-06-21

    申请号:US800026

    申请日:1985-11-20

    摘要: An alumina fiber structure of a flat shape composed of alumina fibers having an alumina content of at least 65% by weight, the majority of said fibers being oriented substantially in parallel with the flat surfaces of the structure, and a number of fiber strands composed of the same alumina fibers extending inwardly from the flat surfaces of the structure, said structure having a thickness of at least 10 mm, a density of from 0.07 to 0.3 g/cm.sup.3, a tensile strength of at least 0.5 kg/cm.sup.2 and a peeling strength of at least 0.5 kg/m.

    摘要翻译: 由氧化铝含量为至少65重量%的氧化铝纤维构成的平坦形状的氧化铝纤维结构体,大部分所述纤维的取向基本上平行于该结构的平坦表面,以及多个由 相同的氧化铝纤维从结构的平坦表面向内延伸,所述结构具有至少10mm的厚度,0.07至0.3g / cm 3的密度,至少0.5kg / cm 2的拉伸强度和剥离强度 至少0.5kg / m。

    Recording power determination method and device
    5.
    发明授权
    Recording power determination method and device 有权
    记录功率确定方法和装置

    公开(公告)号:US08270258B2

    公开(公告)日:2012-09-18

    申请号:US13010222

    申请日:2011-01-20

    IPC分类号: G11B11/00

    摘要: A recording power determination method for determining a recording power of an optical beam for recording data on an information storage medium includes the steps of recording test data on the information storage medium at a plurality of test recording powers; reading the test data recorded at each test recording power, generating a signal, and measuring a modulation factor of the signal corresponding to each test recording power; calculating a product of an n'th power of each test recording power and the corresponding modulation factor, thereby obtaining a plurality of products corresponding to the plurality of test recording powers, where n is a value of exponent and is a real number other than 1; calculating a first recording power based on the correlation between the plurality of test recording powers and the plurality of products; and calculating the recording power based on the first recording power.

    摘要翻译: 用于确定用于在信息存储介质上记录数据的光束的记录功率的记录功率确定方法包括以多个测试记录功率将测试数据记录在信息存储介质上的步骤; 读取在每个测试记录功率下记录的测试数据,产生信号,并测量与每个测试记录功率对应的信号的调制因子; 计算每个测试记录功率的第n次功率的乘积和相应的调制因子,由此获得与多个测试记录功率对应的多个产品,其中n是指数值,并且是除1之外的实数 ; 基于所述多个测试记录功率与所述多个产品之间的相关性来计算第一记录功率; 以及基于第一记录功率计算记录功率。

    INFORMATION RECORDING MEDIUM, METHOD FOR RECORDING INFORMATION ON INFORMATION RECORDING MEDIUM, METHOD FOR REPRODUCING INFORMATION FROM INFORMATION RECORDING MEDIUM, AND METHOD FOR MANUFACTURING INFORMATION RECORDING MEDIUM
    6.
    发明申请
    INFORMATION RECORDING MEDIUM, METHOD FOR RECORDING INFORMATION ON INFORMATION RECORDING MEDIUM, METHOD FOR REPRODUCING INFORMATION FROM INFORMATION RECORDING MEDIUM, AND METHOD FOR MANUFACTURING INFORMATION RECORDING MEDIUM 审中-公开
    信息记录介质,用于记录信息记录介质的信息的方法,从信息记录介质再现信息的方法以及用于制造信息记录介质的方法

    公开(公告)号:US20110107134A1

    公开(公告)日:2011-05-05

    申请号:US13000178

    申请日:2010-03-05

    IPC分类号: G06F1/04

    摘要: The present invention provides a measure for getting read/write control information stored within a space of a predetermined size in a format that ensures compatibility with media of a lower order or an older generation even if the size of the read/write control information increases significantly as the storage densities of information storage media rise in the near future. On an information storage medium, a data sequence is writable as a combination of marks and spaces. The medium has at least one information storage layer, which has an information storage area to store information and a control information area for use to perform a read/write operation on the at least one information storage layer. The control information area stores at least one set of control information, which includes a first kind of write pulse information including information to be used as a reference value and a second kind of write pulse information including information to be used as an offset value. If the pulse width or pulse position of a write pulse is definable with a precision of 1T/n (where T is a channel clock pulse width and n is a positive integer), the size of the offset value is large enough to define at least an n/2 range.

    摘要翻译: 本发明提供一种用于获得存储在预定大小的空间内的读/写控制信息的措施,即使读/写控制信息的大小显着增加,也可以确保与较低级别或较老版本的媒体兼容的格式 随着信息存储媒体的存储密度在不久的将来上升。 在信息存储介质上,作为标记和空格的组合可写入数据序列。 介质具有至少一个信息存储层,其具有用于存储信息的信息存储区域和用于对至少一个信息存储层执行读/写操作的控制信息区域。 控制信息区域存储至少一组控制信息,该组控制信息包括包括要用作参考值的信息的第一种写入脉冲信息和包括要用作偏移值的信息的第二种写入脉冲信息。 如果写入脉冲的脉冲宽度或脉冲位置以1T / n的精度定义(其中T是通道时钟脉冲宽度,n是正整数),则偏移值的大小足够大以至少定义 一个n / 2范围。

    Information recording medium and information recording apparatus
    10.
    发明授权
    Information recording medium and information recording apparatus 有权
    信息记录介质和信息记录装置

    公开(公告)号:US07885171B2

    公开(公告)日:2011-02-08

    申请号:US12536627

    申请日:2009-08-06

    IPC分类号: G11B7/24

    摘要: An information storage medium according to the present invention has n information storage layers (where n is an integer and n≧3), on which data can be written with a laser beam and which are stacked one upon the other. Each of the n storage layers has a test write zone for determining the recording power of the laser beam. When those n layers are counted from the one that is located most distant from the surface of the medium on which the laser beam is incident, there is a bigger radial location difference between the outer peripheral end of the inner one of the test write zones of ith and (i+1)th information storage layers (where i is an integer that satisfies 2≦i≦n−1) and the inner peripheral end of the other outer test write zone than between the outer peripheral end of the inner one of the test write zones of jth and (j+1)th information storage layers (where j is an integer that satisfies 1≦j≦i−1) and the inner peripheral end of the other outer test write zone.

    摘要翻译: 根据本发明的信息存储介质具有n个信息存储层(其中n是整数且n≥3),可以用激光束写入数据并且彼此堆叠。 n个存储层中的每一个具有用于确定激光束的记录功率的测试写入区域。 当这些n层从距激光束入射介质表面最远的位置计数时,在内部一个测试写入区的外周端之间存在较大的径向位置差, 第i个和第(i + 1)个信息存储层(其中i是满足2≦̸ i≦̸ n-1的整数)和另一个外部测试写入区的内周端比内部 第j和第(j + 1)个信息存储层(其中j是满足1≦̸ j≦̸ i-1的整数)的测试写入区域和另一个外部测试写入区域的内部周边端部。