optical crown
美 [ˈɑːptɪkl kraʊn]英 [ˈɒptɪkl kraʊn]
- 网络光学冕玻璃
optical crown-
A lens made of optical crown glass .
用冕光学玻璃制成的透镜。
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The properties of all kinds of material of which the floor plates of optical disk are made are compared . The process of a 133.35mm cleanable floor plate of optical disk made of crown plate glass and the characteristics that products reached are presented .
本文对制备光盘的各种材料的性能做了比较，叙述了采用白冕平板玻璃研制直径为133.35mm可擦除光盘基片的工艺过程，以及产品达到的性能指标。