| 摘要 |
PURPOSE:To improve the durability of the titled magnetic recording medium and a magnetic head without deteriorating vertical magnetic recording characteristics by forming an amorphous thin film contg. Si, Zr, and O on a recording magnetic layer having vertical magnetic anisotropy. CONSTITUTION:A recording magnetic layer 12 of Co-Cr, etc. having vertical magnetic anisotropy is formed on a base body 11 such as a plastic film, and an Si-Zr-O amorphous thin film 13 is formed in 60-100 Angstrom thickness on the layer 12 by high-frequency sputtering with silicon nitride and ZrO2 as the targets to obtain a protective layer. A lubricating layer 14 of a fluorocarbon lubricant can be further formed on the layer 3. The protective layer 13 has excellent resistance to abrasion and corrosion, and is durable even with thin thickness. The layer is also firmly adhered to the magnetic layer 12, and the lubricating layer 14 can be held surely. Consequently, an excellent magnetic recording medium having small spacing loss can be obtained.
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