发明名称 |
A magneto-optical disc system and a magneto-optical disc. |
摘要 |
<p>A magneto-optical disc system (2,3) and a medium used therewith are disclosed in which a magneto-optical disk (1) having a magneto-optical recording layer (8) on one major surface with a protective film (6) formed on said magneto-optical recording layer (8), on which a magnetic head is sliding, and an optical system having a focus servo mechanism on the other surface. The focus servo mechanism of the optical system satisfies a certain condition to avoid any focal blank. <IMAGE></p> |
申请公布号 |
EP0535577(A2) |
申请公布日期 |
1993.04.07 |
申请号 |
EP19920116578 |
申请日期 |
1992.09.28 |
申请人 |
SONY CORPORATION |
发明人 |
SUZUKI, ITARU;YANO, HAJIME;WAKASUGI, HIROYUKI;NAKAJIMA, KAORU |
分类号 |
G11B11/10;G11B11/105 |
主分类号 |
G11B11/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|