发明名称 |
Amorpher magnetooptischer Aufzeichnungsträger. |
摘要 |
A magneto optical thin film recording medium is disclosed having very high carrier-to-noise ratios and high rotation angles. A transmission electron microscope photomicrograph (at 200,000x) of one such medium is shown in FIG. 1. These are multi-phase amorphous materials having magnetic anisotropy perpendicular to the plane of the thin film. They are produced in a triode vacuum sputtering process at vacuums in the range of 4x10-3 to 6x10-4 Torr. By adjusting process parameters such as substrate temperature, anode bias and deposition rate, the properties of the thin film can be altered. |
申请公布号 |
DE3486172(T2) |
申请公布日期 |
1993.11.25 |
申请号 |
DE19843486172T |
申请日期 |
1984.05.09 |
申请人 |
MINNESOTA MINING AND MFG. CO., SAINT PAUL, MINN., US |
发明人 |
GARDNER, RICHARD N. C/O MINNESOTA MINING AND, ST. PAUL MINNESOTA 55133, US |
分类号 |
H01F41/18;G02F1/00;G11B5/64;G11B5/72;G11B5/851;G11B7/24;G11B11/10;G11B11/105;G11C11/14;G11C13/06;H01F10/12;H01F10/13 |
主分类号 |
H01F41/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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