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    • 9. 发明授权
    • Thermally-assisted magnetic recording head
    • 热辅助磁记录头
    • US08300503B2
    • 2012-10-30
    • US12997201
    • 2009-06-03
    • Satoshi AraiNaoki MatsushimaIrizo NaniwaJunichiro Shimizu
    • Satoshi AraiNaoki MatsushimaIrizo NaniwaJunichiro Shimizu
    • G11B11/10
    • G11B5/314G11B5/4833G11B5/4866G11B2005/0005G11B2005/0021
    • In a thermally assisted magnetic recording head having a light source and a waveguide to lead a laser beam radiated from the light source to a front end of the magnetic head, while blocking an adverse effect of heat generated in the light source and securing a good floating characteristic, the light source and the magnetic head are optically coupled with high efficiency and the magnetic head itself is reduced in size. This invention provides a reflection mirror that is formed of a part or whole of one inclined end surface of the semiconductor laser mounted on the first submount. Near one end surface of the slider is provided the optical waveguide that pierces through the slider in a direction of the thickness thereof. The slider is mounted on the second submount and the positions of the first submount and the second submount are adjusted to practically align the light axis of the beam emitted from the mirror with the light axis of the optical waveguide, thereby realizing a novel thermally assisted magnetic recording head.
    • 在具有光源和波导的热辅助磁记录头中,将从光源辐射的激光束引导到磁头的前端,同时阻挡在光源中产生的热的不利影响并确保良好的浮动 特性,光源和磁头的光学耦合效率高,磁头本身尺寸减小。 本发明提供一种由安装在第一基座上的半导体激光器的一个倾斜端面的一部分或全部形成的反射镜。 在滑块的一个端面附近设置有穿过滑块的厚度方向的光波导。 滑块安装在第二基座上,并且调整第一基座和第二基座的位置以实际地将从反射镜发射的光束的光轴与光波导的光轴对准,从而实现新颖的热辅助磁 录音头。