| US 7,388,729 B2 | ||
| Magnetic recording device and medium having mask pattern | ||
| Hiroaki Nakamura, Kanagawa (Japan) | ||
| Assigned to Kabushiki Kaisha Toshiba, Tokyo (Japan) | ||
| Filed on Mar. 16, 2007, as Appl. No. 11/687,078. | ||
| Claims priority of application No. 2006-089281 (JP), filed on Mar. 28, 2006. | ||
| Prior Publication US 2007/0230016 A1, Oct. 04, 2007 | ||
| Int. Cl. G11B 5/596 (2006.01) | ||
| U.S. Cl. 360—77.08 | 15 Claims |
| 1. A magnetic recording device comprising:
a composite magnetic head that includes a recording head and a reproduction head; and
a magnetic recording medium having
a data region configured to store data, wherein the recording head records data in the data region;
a mask pattern region having a first magnetic area and a first nonmagnetic area formed in a predetermined pattern, wherein
servo information can be magnetically recorded in the first magnetic area and information cannot be magnetically recorded
in the first nonmagnetic area; and
an initial positioning region having a second magnetic area and a second nonmagnetic area, wherein information for positioning
at least one of the recording head and the reproduction head at a desired location in the mask pattern region is stored in
the second magnetic area.
|