Verification of the Mechanism of the Head-Positioning Error Caused by Disk Flutter and Slider Supporting Structure for Reducing Head-Positioning Error.

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  • ディスクフラッタに起因するヘッド位置決め誤差メカニズムの検証と位置決め誤差低減のためのヘッド支持機構の検討
  • ディスクフラッタ ニ キイン スル ヘッド イチギメ ゴサ メカニズム ノ ケンショウ ト イチギメ ゴサ テイゲン ノ タメ ノ ヘッド シジ キコウ ノ ケントウ

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Abstract

In magnetic disk drives, disk flutter due to high-rotational speed causes the increase of the head-positioning error. It is important to clear the mechanism of the head-positioning error caused by flutter. This paper verified the proposed mechanism experimentally and its error was within 10%. The effectiveness of decreasing the transfer function of the head off-track by flutter was also verified experimentally. This paper proposes a slider supporting structure to decrease the transfer function.

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