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    • 2. 发明申请
    • Method for Multilevel Recording Information on a Record Carrier a Record Carrier and a Recording Device
    • 用于记录载体上记录载体和记录装置的多级记录信息的方法
    • US20080285416A1
    • 2008-11-20
    • US11571538
    • 2005-06-23
    • Erwin Rinaldo MeindersAndrei Mijiritskii
    • Erwin Rinaldo MeindersAndrei Mijiritskii
    • G11B7/00
    • G11B7/00455
    • A record carrier comprises three layers that react with each other when irradiated to form a mark on the record carrier. The three layers are separated by a two separating layers that prevent direct contact of the three layers thus providing stability to the record carrier. By irradiating one or both separating layers a region of those separating layers is destroyed or altered whereby an opening is created and the reaction of the layers adjacent to the separating layer is no longer prevented in that region and a mark can be formed. Since either one or two reactions can take place if one or both separating layers are destroyed or altered multiple reflection levels for a mark can be obtained, thus enabling multilevel recording where a single mark can represent more information compared to the situation where only two reflection levels can be obtained. The size of the resulting opening determines the size of the mark and can thus be used to create a very small mark allowing high density recordings.
    • 记录载体包括三层,当被照射时彼此反应以在记录载体上形成标记。 这三层由两个隔离层隔开,防止三层的直接接触,从而为记录载体提供稳定性。 通过照射一个或两个分离层,这些分离层的区域被破坏或改变,由此产生开口,并且在该区域中不再防止与分离层相邻的层的反应,并且可以形成标记。 由于如果一个或两个分离层被破坏或改变,则可以获得一个或两个反应的一个或两个反应,因此可以获得标记的多个反射水平,从而能够进行多级记录,其中单个标记可以表示更多的信息,与仅仅两个反射水平 可以获得。 所得到的开口的尺寸决定了标记的尺寸,因此可以用于产生允许高密度记录的非常小的标记。
    • 3. 发明申请
    • Writable optical record carrier
    • 可写光学记录载体
    • US20060210757A1
    • 2006-09-21
    • US10539361
    • 2003-11-20
    • Andrei MijiritskiiErwin Meinders
    • Andrei MijiritskiiErwin Meinders
    • B32B3/02
    • G11B7/244G11B7/246G11B7/2531G11B7/2533G11B7/2534G11B7/254G11B7/2578
    • The present invention relates to a writable optical record carrier and a method of writing information on such a writable optical record carrier. The record carrier comprises a substrate carrying a recording stack which recording stack comprises, in this order, a recording layer and an absorption layer. The recording layer is essentially transparent for an incident light beam, and comprises material which changes its optical characteristics when heated. The first absorption layer converts the incident beam to heat thereby indirectly changing the optical characteristics of the recording layer material. The method comprises the steps: positioning a writing unit at a predetermined position, generating the beam by means of the writing unit, at least partially absorbing the beam in the first absorption layer, thereby producing a first spot of heat, conducting the heat towards the recording layer, and thereby locally changing the optical characteristics of the recording layer material.
    • 本发明涉及一种可写入光学记录载体和在这种可写入的光学记录载体上写入信息的方法。 记录载体包括承载记录堆叠的基板,记录堆叠依次包括记录层和吸收层。 记录层对于入射光束基本上是透明的,并且包括当加热时改变其光学特性的材料。 第一吸收层将入射光束转换成热,从而间接改变记录层材料的光学特性。 该方法包括以下步骤:将写入单元定位在预定位置,通过书写单元产生光束,至少部分地吸收第一吸收层中的光束,从而产生第一热点,将热量传导到 记录层,从而局部地改变记录层材料的光学特性。
    • 9. 发明申请
    • Optical Data Storage Medium and Manufacturing Methods Therefor
    • 光学数据存储介质及其制造方法
    • US20080056111A1
    • 2008-03-06
    • US11570625
    • 2005-06-23
    • Erwin MeindersAndrei Mijiritskii
    • Erwin MeindersAndrei Mijiritskii
    • G11B7/24
    • G11B7/266
    • An optical data storage medium is described. It comprises at least a substrate, having a surface with data stored in pits that are embossed into the substrate and in spaces separating the pits, a reflective layer covering the surface and having an intrinsic optical reflectivity R at a wavelength λ, a transparent cover stack formed on the reflective layer, the pattern of pits being readable through the cover stack by means of the focused radiation beam having the wavelength λ. The value of R on the spaces separating the pits is substantially different from the value of R on the bottom of the pits. An improved signal quality is achieved, e.g for BD-ROM discs. Further methods for manufacturing such a medium are described, e.g. inclined sputtering or selective etching.
    • 描述光学数据存储介质。 它包括至少一个衬底,其表面具有存储在凹坑中的数据,凹坑被压印到衬底中,并且在分隔凹坑的空间中,覆盖表面的反射层具有波长为λ的固有光学反射率R,透明盖层叠 形成在反射层上,凹坑的图案通过具有波长λ的聚焦辐射束通过盖层叠可读。 分离凹坑的空间上的R值与凹坑底部的R值大致不同。 实现了改进的信号质量,例如BD-ROM光盘。 描述制造这种介质的其它方法,例如。 倾斜溅射或选择性蚀刻。