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首页> 外文期刊>Japanese journal of applied physics >Study of Flying Stability of a Thermally Assisted Magnetic Recording System with Laser Diode Mount Light Delivery
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Study of Flying Stability of a Thermally Assisted Magnetic Recording System with Laser Diode Mount Light Delivery

机译：具有激光二极管安装光传输的热辅助磁记录系统的飞行稳定性研究

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摘要

The laser diode (LD) is a key component in thermally assisted magnetic recording (TAMR) systems. However, heating from the LD can induce thermal deformation of the slider assembly, and change the gap separation between the slider and disk medium. In this paper, we analyzed the relationship between the slider-medium gap and the optical efficiency of the TAMR head, by considering the thermal effects of epoxy, the adhesive layer, and the near-field transducer (NFT) on the TAMR slider. The epoxy effect was modeled by using finite element (FE) analysis. Five different epoxy models were simulated, and the optimal epoxy model was selected, on the basis of its thermal performance. FE analysis was also carried out to simulate the TAMR slider assembly, which consisted of the LD, NFT, adhesive layer, epoxy, and TAMR head. On the basis of iterative analysis, an FE model was constructed with optimized representation of the epoxy, TAMR head component, and NFT. Thermal analysis of the simulation representation indicated that the epoxy, adhesive layer, and NFT played a significant role in the performance of the TAMR system.
机译：激光二极管（LD）是热辅助磁记录（TAMR）系统中的关键组件。但是，来自LD的热量会引起滑块组件的热变形，并改变滑块和磁盘介质之间的间隙。在本文中，我们通过考虑TAMR滑块上的环氧树脂，粘合剂层和近场换能器（NFT）的热效应，分析了滑块-介质间隙与TAMR头的光学效率之间的关系。环氧效应通过使用有限元（FE）分析进行建模。模拟了五个不同的环氧树脂模型，并根据其热性能选择了最佳的环氧树脂模型。还进行了有限元分析以模拟TAMR滑块组件，该组件由LD，NFT，粘合层，环氧树脂和TAMR磁头组成。在迭代分析的基础上，构建了具有环氧树脂，TAMR喷头组件和NFT的优化表示的有限元模型。对仿真表示的热分析表明，环氧树脂，粘合剂层和NFT在TAMR系统的性能中起着重要作用。

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  • 来源
    《Japanese journal of applied physics》 |2013年第9issue3期|09LF02.1-09LF02.6|共6页
  • 作者

    Jonghak Choi; No-Cheol Park; Kyoung-Su Park; Young-Pil Park;

  • 作者单位

    Department of Mechanical Engineering, Yonsei University, Seoul 120-749, Korea;

    Department of Mechanical Engineering, Yonsei University, Seoul 120-749, Korea;

    Department of Mechanical Engineering, Yonsei University, Seoul 120-749, Korea;

    Department of Mechanical Engineering, Yonsei University, Seoul 120-749, Korea;

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