Magnetic disk drive using a nonvolatile solid state memory to st

Details Magnetic disk drive using a nonvolatile solid state memory to st Magnetic disk drive using a nonvolatile solid state memory to st

1998-04-17

2000-02-15

Kim, W. Chris

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 48, 360 53, G11B 5596

Patent

active

06025971&

ABSTRACT:
A magnetic head drive of the present invention comprises a composite magnetic head structured by integrally combining a write head into a record head and a magnetic disk having a servo area where position information of the composite magnetic head is recorded and a data area where data is recorded, and the servo area includes a positioning data area having head positioning information, and the head has an erased area generated by recording an AC signal having a frequency higher than a burst pattern in an area other than the burst pattern including information of positioning the composite magnetic head of said positioning data area.

REFERENCES:
patent: 4780808 (1988-10-01), Moreno et al.
patent: 4796113 (1989-01-01), Hayakawa
patent: 5041926 (1991-08-01), Ockerse et al.
patent: 5453974 (1995-09-01), Minoda et al.
patent: 5740358 (1998-04-01), Geldman et al.

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