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    • 9. 发明授权
    • System for producing optical recording medium
    • 光学记录介质的制造系统
    • US08127820B1
    • 2012-03-06
    • US11170021
    • 2005-06-28
    • Kai Leung FanMing Sang Yeung
    • Kai Leung FanMing Sang Yeung
    • B29C65/00
    • B29C66/452B29C45/006B29C45/2632B29C65/1406B29C65/483B29C65/4845B29C65/521B29C65/7858B29C66/1162B29C66/342B29C66/71B29C66/8322B29C2045/0063B29L2017/001B32B37/12B32B38/1808B32B2429/02G11B7/24038G11B7/263G11B7/268Y10T156/1744B29K2069/00
    • Techniques for producing optical medium that can be read at substantially high speeds with greater stability and accuracy are disclosed. According to one aspect of the techniques, a molding station includes an optimized stampler which does not have an exact inverse image of a replica. To account for an inherent distortion in a substrate after being stamped, a stampler is pre-distorted so that the pit geometry in the stamped substrate becomes nearly perfect after the inherent distortion. In one embodiment, the injection of a molten material, the mold position and compression are respectively controlled to account for possible non-uniform density distribution of the material. To provide an effective bonding process, a bonding station is employed with what is referred to as index bonding technique and/or pulse bonding technique. The index bonding is provided to ensure that non-flatness of substrates is compensated when two substrates are bonded together so as to minimize possible dynamic imbalance of a disc. The pulse bonding is provided to eliminate bubbles from a type of glue used to bond two substrates, wherein a high voltage used to generate a pulse of electromagnetic field is programmable in accordance with the substrates and the characteristics of the glue.
    • 公开了用于制造可以以更高的速度以更高的稳定性和精度读取的光学介质的技术。 根据技术的一个方面,成型台包括不具有复制品的精确反转图像的优化的采样器。 为了解决冲压后衬底的固有变形,采样器被预变形,使得冲压衬底中的凹坑几何形状在固有失真之后变得几乎完美。 在一个实施例中,分别控制熔融材料的注入,模具位置和压缩以考虑材料的可能的不均匀密度分布。 为了提供有效的接合工艺,使用称为折射率键合技术和/或脉冲粘合技术的接合台。 提供分度接合以确保当两个基板结合在一起时基板的非平坦度得到补偿,以便最小化可能的盘的动态不平衡。 提供脉冲结合以从用于结合两个基板的胶水类型中消除气泡,其中用于产生电磁场脉冲的高电压可根据基板和胶的特性进行编程。