公开(公告)号：US5644555A

公开(公告)日：1997-07-01

申请号：US376943

申请日：1995-01-19

Applicant: Terry Wayne McDaniel ,  Harris Anthony Notarys ,  Hal Jervis Rosen ,  Kurt Allan Rubin

Inventor： Terry Wayne McDaniel ,  Harris Anthony Notarys ,  Hal Jervis Rosen ,  Kurt Allan Rubin

IPC: G11B11/10 ,  G11B7/135 ,  G11B11/105 ,  G11C13/06

CPC classification number: G11B7/1365 ,  G11B11/10543 ,  G11B11/10584 ,  G11B11/10597

Abstract: An optical data storage system comprises an optical disk drive and a multiple data surface magneto-optical medium. The medium comprises a substrate, a first dielectric layer, a first magneto-optical data layer, a second dielectric layer, a transmissive member, a third dielectric layer, a second magneto-optical data layer, a fourth dielectric layer, and a reflector layer. The thicknesses of the magneto-optical and dielectric layers are selected to maximize the magneto-optical read out signal received from the data layers. The disk drive includes a phase retarder for improving the signal from the magneto-optical data layers.

Abstract translation: 光学数据存储系统包括光盘驱动器和多数据表面磁光介质。 介质包括基板，第一介电层，第一磁光数据层，第二电介质层，透射构件，第三介电层，第二磁光数据层，第四介电层和反射层 。 选择磁光和介电层的厚度以使从数据层接收的磁光读出信号最大化。 磁盘驱动器包括用于改善来自磁光数据层的信号的相位延迟器。