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US 7,023,644 B2Granted
Method of recording servo data
AssigneeSamsung Electronics Co., Ltd.
InventorWoo-cheol Jeong
Life of this patent
Estimating the term…
Abstract
A method of recording servo data on a high-density disc while an actuator head rotates within a predetermined skew angle. The servo data is recorded on the hard disc by varying the rotation angle of the actuator head according to the predetermined skew angle of the actuator head.
Claims4
A method of recording servo data on a high-density disc while rotating an actuator head within a predetermined skew angle of the disc, comprising:
- varying the rotation angle of the actuator head according to the skew angle of the actuator head;
- dividing the high-density disc into a plurality of intervals in the direction of a radius of the high-density disc and calculating an optimum track density (tracks per inch;
- TPI) at each interval;
- determining the rotation angle of the actuator head at each interval such that the track density at each interval coincides with the calculated optimum track density;
- and
- rotating the actuator head at the determined rotation angle and recording the servo data at each interval.
3 more elements
A method of recording servo data on a high-density disc while rotating an actuator head within a predetermined skew angle of the disc, comprising:
- decreasing the rotation speed of the actuator head as the actuator head moves from the outer part of the high-density disc to the inner part of the high-density disc;
- dividing the high-density disc into a plurality of intervals in the direction of a radius of the high-density disc and calculating an optimum track density (tracks per inch;
- TPI) at each interval;
- determining the rotation angle of the actuator head at each interval such that the track density at each interval coincides with the calculated optimum track density;
- and
- rotating the actuator head at the determined rotation angle and recording the servo data at each interval.
3 more elements
Dependencies are inferred from the claim text.