Abstract
Ultra high-density-recording states were observed in magneto-optical (MO) and magnetic recording media, using particles prepared by sputtering. We clearly observed recording bits as small as 0.3μm in diameter for MO media,and also visualized the influence of the recording laser power on high-density recording states. The observation method also made it possible to observe ultra-high-density recording states (with a bit length of 0.08μm) in obliquely evaporated Co-CoO magnetic recording media. According to these experimental results, the resolution of the present method was estimated to be finer than 0.08μm.
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