| US 7,601,444 B2 | ||
| Perpendicular magnetic recording medium | ||
| Chih-Huang Lai, Hsinchu (Taiwan); David Vokoun, Hsinchu (Taiwan); Yu-Yi Liao, Hsinchu (Taiwan); and Meng-Shian Lin, Hsinchu (Taiwan) | ||
| Assigned to National Taiwan University, Taipei (Taiwan) | ||
| Filed on Oct. 30, 2006, as Appl. No. 11/590,641. | ||
| Claims priority of application No. 95114274 A (TW), filed on Apr. 21, 2006. | ||
| Prior Publication US 2007/0247756 A1, Oct. 25, 2007 | ||
| Int. Cl. G11B 5/66 (2006.01) | ||
| U.S. Cl. 428—831.2 [428/826; 428/828; 428/831] | 8 Claims |
| 1. A perpendicular magnetic recording medium comprising:
a substrate;
a soft magnetic film formed on said substrate;
a non-magnetic film including an amorphous interlayer formed on said soft magnetic film and made from a first metallic material
selected from the group consisting of terbium, gadolinium, dysprosium, hafnium, and combinations thereof, a buffer layer formed
on said amorphous interlayer and having a face-centered cubic structure, and a seed layer formed on said buffer layer and
having a hexagonal crystal structure; and
a granular magnetic recording film formed on said seed layer.
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