Optical test disk having a plurality of different formats

Details Optical test disk having a plurality of different formats Optical test disk having a plurality of different formats

1996-11-20

1998-04-14

Dinh, Tan

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 58, G11B 724

Patent

active

057401519

ABSTRACT:
A test disk for testing operation of a disk drive is disclosed. In the test disk, a plurality of data types necessary for various testing operations of the disk drive are sequentially recorded on the disk at divided track portions. Accordingly, there is no need to exchange a plurality disk when the operation of the disk drive is tested. Thus, the productivity of manufacturing the disk drives is increased.

REFERENCES:
patent: 4725968 (1988-02-01), Baldwin et al.
patent: 4969139 (1990-11-01), Azumatani et al.
patent: 4991162 (1991-02-01), Tabe
patent: 5434837 (1995-07-01), Haneda et al.
patent: 5463766 (1995-10-01), Schieve et al.
patent: 5530687 (1996-06-01), Yamaguchi
patent: 5530960 (1996-06-01), Parks et al.

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