Magneto-optic recording/erasing system with simultaneous dual he

Details Magneto-optic recording/erasing system with simultaneous dual he Magneto-optic recording/erasing system with simultaneous dual he

1989-04-14

1990-05-15

Richardson, Robert L.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

360114, 369 13, G11B 700

Patent

active

049264087

ABSTRACT:
A magneto-optic recording/erasing system uses two heads, one for writing formatted information into sectors along a track of a magneto-optical disk and a second head working simultaneously with the first head to read formatted information and detect defects. The system also writes information during formatting to indicate damaged disk track sectors and eliminate reference to them during formatting to produce a more reliable disk.

REFERENCES:
patent: 4712203 (1987-12-01), Saito et al.

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