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MAGNETIC RECORDING MEDIUM, AND METHOD OF MANUFACTURING THE SAME

2025-06-19 22:054120下载
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PROBLEM TO BE SOLVED : To provide a magnetic recording medium including a protective layer, capable of being made thin while improving its durabilities, such as the sliding resistance and corrosion resistance, and also to provide a method of manufacturing the same. SOLUTION : This perpendicular magnetic recording medium 100 has at least a magnetic recording layer 122 and a protective layer 126 formed in this order on a base 110. The protective layer 126 contains rare gas atoms on its surface side, and its measured results in the Raman spectroscopy shows that Dh/Gh is 0.78-0.96, and B/A is 1.31-1.34, when making Gh represent the G peak height of the protective layer in the Raman spectroscopy of the protective layer 126, Dh the D peak height, B the intensity of the background containing G peak fluorescence, and A the peak intensity excluding G peak fluorescence. Thus it is clear that this protective layer can be made thin. COPYRIGHT : (C)2011, JPO&INPIT


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