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发明授权
US07323259B2 Multilayer perpendicular media with high-boron or high-carbon additives to CoCr films 有权
多层垂直介质与高硼或高碳添加剂CoCr膜

Multilayer perpendicular media with high-boron or high-carbon additives to CoCr films
摘要：
Carbon or boron is added into the CoCr layers of a multiplayer perpendicular magnetic media structure to reduce media noise. The perpendicular magnetic media structure has sharp interfaces between Co-alloy layers and Pd or Pt layers and significantly reduced exchange coupling. In accordance with one embodiment of the invention, the perpendicular magnetic media structure with carbon or boron additives is 700 Å FeCo30.8B12/20 Å TaOx/700 Å FeCo30.8B12/20 Å TaOx/700 Å FeCo30.8B12/20 Å TaOx/158 Å FeCo30.8B12/17 Å Ta/49 Å ITO/33 Å CoCr37Ru10/2.5 Å COy/2.5 Å C/[(CoCr9)C6.8/Pd]19/50 Å CHN. [(CoCr9)C6.8/Pd]19 means 19 layers of the bi-layer stack (CoCr9)C6.8/Pd. TaOx stands for surface-oxidized Ta and COy stands for C oxides. ITO stands for Indium Tin Oxide and consists of In2O3 and Sn2O5 at 80 and 20 molecular percent respectively. CHN refers to hydrogenated and nitrogenated carbon.
摘要（中）：

将碳或硼添加到多玩家垂直磁性介质结构的CoCr层中以降低介质噪声。 垂直磁介质结构在Co合金层和Pd或Pt层之间具有明显的界面，并显着降低了交换耦合。 根据本发明的一个实施方案，具有碳或硼添加剂的垂直磁性介质结构是700埃，30.8×12/20埃， 30/100FeCo 30.8 B 12/20Åx xÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅB B B B B B B B B B B B > 12/20ÅTaO x / 158ÅFeCo 30.8 B 12/17Å/ 49ITO / 33Å CoCr / / / / / / / /（（C）Cr C > 6.8 / Pd] 19/50埃。 [（CoCr 9）C 6.8 / Pd] 19表示19层双层堆叠（CoCr 9 / / SUB >）C 6.8 / Pd。 TaO x代表表面氧化的Ta，CO 2代表C氧化物。 ITO代表氧化铟锡，由80和20组成的In 2 N 2 O 3和Sn 2 O 5 O 5组成。 分子百分比。 CHN是指氢化和氮化的碳。

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