Measuring High Frequency Magnetic Field of Recording Head with the Magnetic Force Microscope

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概要

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• We propose a novel method for imaging the high frequency (HF) magnetic field of a recording head with the high frequency magnetic force microscope (AC-phase HF-MFM). Spatial resolution of this method was higher than that of the deflection detection method previously proposed. By the AC-phase method, dynamic HF magnetic fields at the poles of the recording heads were clearly imaged. HF magnetic field leakage was observed along the P2 pole shape on the air-bearing surface. The frequency dependence of the recording head dynamics up to 350 MHz was also investigated.

• 社団法人電子情報通信学会の論文
• 2002-02-01

著者

• Abe Masayuki

  Storage Development Center Toshiba Corporation

• TANAKA Yoichiro

  Storage Development Center,Toshiba Corporation

• Tanaka Yoichiro

  Storage Development Center Toshiba Corporation

関連論文

• Measuring High Frequency Magnetic Field of Recording Head with the Magnetic Force Microscope

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