Formation of servo information and method for servo control ther

Details Formation of servo information and method for servo control ther Formation of servo information and method for servo control ther

1997-06-05

2000-08-22

Kim, W. Chris

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

G11B 509

Patent

active

061081507

ABSTRACT:
A technique for the formation of servo information and its servo control capable of enlarging a total available area for data regions by reducing a servo region for servo information in a hard disk drive is used in a disk drive recording apparatus having at least one disk having tracks provided thereon with a plurality of servo sectors for recording the servo information and a plurality of data sectors, the servo sector and the data sectors each being arranged in sequence in a track of the disk in an alternate manner, and a transducer for reading out data from the data sectors as well as writing data onto the data sectors. The technique includes dividing a series of servo information into a plurality of subsections of servo information, the servo information being usable for positioning the transducer on a selected data sector in a target track, and respectively recording the divided subsections of servo information onto the same number of servo sectors as the number of the plurality of subsections.

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