发明名称 |
Gadolinium iron alloy for thermomagnetic recording - with high sensitivity for use with gallium arsenide laser |
摘要 |
<p>Carrier for thermo-magnetic recording has a substrate made of an electrically-insulating material, e.g. glass, coated with a working layer of iron-gadolinium strip with the direction of easy magnetisation perpendicular to the surface of the substrate. The strip contains 65 plus-or-minus 5 wt.% gadolinium, the remainder being iron. The gadolinium iron strip is pref. applied to the substrate by thermal evapn. in a vacuum of 10-6 torr. The working layer requires no coating and works for >=2 years at room temp.; only weak recording and erasing fields (ca 90 0) are required. The high sensitivity of the Gd-Fe permits the use of a GaAs semiconductor laser for data recording so that an economic magneto-optic memory store of high capacity is achievable using this carrier.</p> |
申请公布号 |
FR2327606(A1) |
申请公布日期 |
1977.05.06 |
申请号 |
FR19750030829 |
申请日期 |
1975.10.08 |
申请人 |
IRKUTSKY GOSUDARSTVENNY PEDAGOGI |
发明人 |
V. F. BOCHKAREV, V. A. BURAVIKHIN, V. T. SUKHOMLIN, O. P. BUDANOV, B. A. BALKAEV, A. K. ZVEZDIN ET A. F. POPKOV;BURAVIKHIN V A;SUKHOMLIN V T;BUDANOV O P;BALKAEV B A;ZVEZDIN A K;POPKOV A F |
分类号 |
G03G5/16;(IPC1-7):11B5/70 |
主分类号 |
G03G5/16 |
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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