Diagnostic disk for checking the head alignment of magnetic disk

Details Diagnostic disk for checking the head alignment of magnetic disk Diagnostic disk for checking the head alignment of magnetic disk

1986-02-10

1987-09-15

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 556

Patent

active

046943595

ABSTRACT:
A method and apparatus for checking the azimuthal alignment of the magnetic head of a disk drive with respect to a standard head alignment by use of diagnostic disk having plural sectors along a checking track. The sectors include an identification field, a data field and noise areas adjacent to the data field. The patterns recorded in the respective data field and adjacent noise fields being at relative azimuthal angles.

REFERENCES:
patent: 4513331 (1985-04-01), Baker et al.
patent: 4513333 (1985-04-01), Young et al.

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