Optical recording medium and method manufacturing thereof
摘要
An optical disk and method of preparing it in which a macromolecular substrate has information bits mechanically formed on its surface and a reflective metallic reflective film is deposited thereover. The grain size of the metallic reflective film is kept to less than 50 nanometers by depositing at a rate of no more than 1.5 nanometers per second.
申请公布号
US4950520(A)
申请公布日期
1990.08.21
申请号
US19860947304
申请日期
1986.12.29
申请人
PIONEER ELECTRONIC CORPORATION;PIONEER VIDEO CORPORATION