| US 7,572,528 B2 | ||
| Magnetic recording medium, method of manufacturing the same, and magnetic recording/reproduction apparatus | ||
| Takayuki Yamamoto, Ome (Japan); Masatoshi Sakurai, Tokyo (Japan); and Yoshiyuki Kamata, Tokyo (Japan) | ||
| Assigned to Kabushiki Kaisha Toshiba, Tokyo (Japan) | ||
| Filed on May 24, 2005, as Appl. No. 11/135,258. | ||
| Claims priority of application No. 2004-183933 (JP), filed on Jun. 22, 2004. | ||
| Prior Publication US 2005/0282038 A1, Dec. 22, 2005 | ||
| Int. Cl. G11B 5/66 (2006.01); G11B 5/82 (2006.01); G11B 23/03 (2006.01) | ||
| U.S. Cl. 428—833.2 [428/833.1; 360/135] | 4 Claims |
| 1. A magnetic recording medium comprising:
a nonmagnetic substrate;
stacked bodies including a magnetic recording layer formed on the nonmagnetic substrate and a silicon based protective layer
formed on the magnetic recording layer, and patterned into a track shape or dot shape; and
a carbon based protective layer formed on said stacked bodies and the nonmagnetic substrate in at least one part of a region
except for the regions where the magnetic recording layer is formed.
|