本文件规定了120mm可记录电缆的机械、物理和光学特性 容量为25.0 GB或50.0 GB的光盘。它规定了记录和记录的数据的质量 未记录的信号、数据格式和记录方法，从而允许 通过这种磁盘进行交换。用户数据可以使用不可逆的 方法该磁盘被标识为BD可记录磁盘。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies mechanical, physical and optical characteristics of a 120 mm recordable optical disk with a capacity of 25,0 Gbytes or 50,0 Gbytes. It specifies the quality of the recorded and unrecorded signals, the format of the data and the recording method, thereby allowing for information interchange by means of such disks. User data can be written once and read many times using a nonreversible method. This disk is identified as BD recordable disk.All current amendments available at time of purchase are included with the purchase of this document.