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1 引言在上一篇文章(“可记录光盘槽内和岸上的染料层厚度分布研究”,记录媒体技术,2003,No.2),我们分析了可记录光盘(特别是DVD-R)的染料层厚度分布控制。文中可知染料层厚度分布控制的意义:控制岸上的染料层厚度分布从而控制盘片的光密度,控制染料层在槽内的厚度分布(包括槽的宽度、深度、槽内染料层厚度,其中最主要是染料层在槽内的厚度)从而确保电信号参教符合规范。染料层的岸上厚度、槽内厚度、槽内染料分布的槽宽和槽深作为染料层厚度分布的4个基本物理参数,许
1 INTRODUCTION In the last article (“Study of the distribution of dye layer thickness in and around recordable optical discs”, Recording Media Technology, 2003, No. 2), we analyzed the dyestuffs of recordable optical discs, especially DVD- Layer thickness distribution control. The paper shows the significance of dye layer thickness distribution control: controlling the thickness distribution of the dye layer on the shore to control the optical density of the disk, controlling the thickness distribution of the dye layer in the groove (including the width and depth of the groove, the thickness of the dye layer in the groove, Mainly the thickness of the dye layer in the groove) to ensure that the electrical signal is consulted to the specification. Dye thickness on the shore, the thickness of the tank, the slot width and groove depth of the dye distribution as the thickness of the dye layer distribution of four basic physical parameters, Xu