Magnetic disk device using non-aligned read and write heads with

Details Magnetic disk device using non-aligned read and write heads with Magnetic disk device using non-aligned read and write heads with

1994-09-02

1998-07-28

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

369 47, G11B 5596

Patent

active

057869570

ABSTRACT:
A magnetic head drive including 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. 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: 3838457 (1974-09-01), Palmer
patent: 4746998 (1988-05-01), Robinson et al.
patent: 4914530 (1990-04-01), Graham et al.
patent: 4967298 (1990-10-01), Mowry
patent: 5341255 (1994-08-01), Starr et al.
patent: 5367652 (1994-11-01), Golden et al.
IEEE Transactions on Magnetics, vol. 25, No. 5, James L. Su, et al., "Track Edge Phenomena in Thin Film Longitudinal Media", pp. 3384-3386.
IEEE Transactions On Magnetics, vol. 28 No. 5. Sep. 1992 Track Density Constraints in the Application of MR Head Technology Kiran Chopra, Gerald M. GRammens and Robert E. Weinstein pp. 2728-2730.

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