COMPOSITE PERPENDICULAR RECORDING MEDIUM WITH MULTILAYERED PERMALLOY FILM.

被引:0
|
作者
Sugita, R. [1 ]
Honda, K. [1 ]
Noda, K. [1 ]
Tohma, K. [1 ]
Nanbu, T. [1 ]
Sakamoto, Y. [1 ]
机构
[1] Matsushita Electric Industrial Co, Jpn, Matsushita Electric Industrial Co, Jpn
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MAGNETIC DEVICES; THIN FILM;
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摘要
Summary form only given. To prevent increases in the coercivity (H//c ) and reductions of recording/reproduction sensitivity when the permalloy underlayer of double-layer perpendicular recording media is made thicker than about 2000 angstrom, the authors tried fabricating multilayer permalloy layers. It was found that by forming a thin Ti layer between two permalloy layers, a thick underlayer film with low H//c could be obtained. Such an underlayer film also resulted in a better c-axis orientation in the Co-Cr layer formed on top than when a single permalloy layer was used.
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页码:303 / 304
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