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    • 1. 发明授权
    • Optical data recording medium and method of manufacturing the same
    • 光学数据记录介质及其制造方法
    • US5085910A
    • 1992-02-04
    • US550016
    • 1990-07-09
    • Seiichi MatsushimaMasahide YagiMasahiro SuzukiYasuyuki Mori
    • Seiichi MatsushimaMasahide YagiMasahiro SuzukiYasuyuki Mori
    • G11B7/24G11B7/26
    • G11B7/24G11B7/26Y10S428/913Y10S430/146Y10T428/31Y10T428/31504Y10T428/31678
    • Disclosed is an optical data recording medium provided with a glass substrate and a recording layer carried by the glass substrate, wherein the glass substrate is composed of a glass plate having a mixed layer of metallic tin or a tin compound formed on at least one surface thereof, a content of the metallic tin or tin compound on the surface of the glass substrate being regulated to 1.3 wt % or less and the entire surface of the glass plate being subject to a chemically reinforcing treatment, and also disclosed is a method of manufacturing an optical data recording medium provided with a glass substrate and a recording layer carried by the glass substrate, which comprises the steps of making a glass plate by a float method using melted metallic tin for the glass substrate, cutting the glass plate to a desired configuration and size, polishing at least one surface of the glass plate which is in contact with the melted metallic tin when making the glass plate to regulate a content of tin in the polished surface to 1.3 wt % or less, and subjecting the polished glass plate to a chemically reinforcing treatment.
    • 公开了一种设置有由玻璃基板和由玻璃基板承载的记录层的光学数据记录介质,其中玻璃基板由在其至少一个表面上形成的金属锡或锡化合物的混合层的玻璃板 将玻璃基板表面上的金属锡或锡化合物的含量调节至1.3重量%以下,并且对玻璃板的整个表面进行化学强化处理,并且还公开了制造 设置有玻璃基板的光学数据记录介质和由玻璃基板承载的记录层,其包括以下步骤:使用熔融金属锡制造玻璃板,使用熔融的金属锡作为玻璃基板,将玻璃板切割成所需的形状, 在制造玻璃板以调节含量的情况下,研磨与熔融的金属锡接触的玻璃板的至少一个表面 n在1.3重量%以下,对抛光后的玻璃板进行化学强化处理。