System and method of encoding for identifying a given surface am

Details System and method of encoding for identifying a given surface am System and method of encoding for identifying a given surface am

1997-11-18

2000-01-25

Letscher, George J.

Dynamic information storage or retrieval

Storage medium structure

Specific disc profile

G11B 370

Patent

active

060185120

ABSTRACT:
A system and method is disclosed for assembling a pre-formatted top half and a pre-formatted bottom half of a disk platter, and for further assembling pre-formatted disk platters into a multi-platter MO disk drive, with the servo sectors in a predetermined rotational alignment and with the tracks in good radial alignment. Because of the known rotational alignment of the servo sectors, it is possible to have independent verification of the operation of the flying MO head switch. This independent verification prevents data corruption due to an unreliable flying MO head switch.

REFERENCES:
patent: 4390912 (1983-06-01), Hertrich et al.
patent: 4670803 (1987-06-01), DeMoss et al.
Patent Abstracts of Japan, vol. 010, No. 215 (P-481), Jul. 26, 1986 & JP 61 054055 A (Toshiba Corp.) Mar. 18, 1986.

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