| US 7,486,460 B2 | ||
| Disk drive with enhanced storage capacity increase ratio | ||
| Hiroyuki Tsuchinaga, Tokyo (Japan); Naoki Satoh, Kanagawa (Japan); and Terumi Takashi, Kanagawa (Japan) | ||
| Assigned to Hitachi Global Storage Technologies Netherlands B.V., Amsterdam (Netherlands) | ||
| Filed on Apr. 13, 2006, as Appl. No. 11/404,156. | ||
| Claims priority of application No. 2005-115681 (JP), filed on Apr. 13, 2005. | ||
| Prior Publication US 2006/0232874 A1, Oct. 19, 2006 | ||
| Int. Cl. G11B 20/12 (2006.01) | ||
| U.S. Cl. 360—48 [360/75; 711/112] | 16 Claims |
| 1. A disk drive comprising:
a recording medium that includes concentric or spiral data tracks, which are partly overwritten by an inner or outer neighboring
data track, each of the data tracks being provided with a plurality of circumferentially arranged sectors; and
a control section, which, upon receipt of instructions for writing into a plurality of sectors, rearranges the data to be
written into each sector into groups of N pieces of write data as specified, and writes the data into N data tracks.
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