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发明授权
US08711663B1 Plasmon generator includes three metal layers for thermally-assisted magnetic recording 有权
等离子体发生器包括用于热辅助磁记录的三个金属层

Plasmon generator includes three metal layers for thermally-assisted magnetic recording
摘要：
A plasmon generator has a front end face located in a medium facing surface of a magnetic head. The plasmon generator includes a first layer formed of a first metal material, a second layer formed of a second metal material, and a third layer formed of a third metal material. Each of the second and third layers has an end portion constituting part of the front end face. The first layer does not have any portion constituting part of the front end face. The first and second metal materials are higher in electrical conductivity than the third metal material. The third metal material is higher in Vickers hardness than the first and second metal materials. The first layer has a plasmon exciting part.
摘要（中）：

等离子体发生器具有位于磁头的介质面向表面中的前端面。 等离子体发生器包括由第一金属材料形成的第一层，由第二金属材料形成的第二层和由第三金属材料形成的第三层。 第二层和第三层中的每一层具有构成前端面的一部分的端部。 第一层没有构成前端面的一部分的任何部分。 第一和第二金属材料的电导率高于第三金属材料。 第三种金属材料的维氏硬度高于第一和第二种金属材料。 第一层具有等离子体激元部分。

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