Magneto-optical disk inspecting method and apparatus

Details Magneto-optical disk inspecting method and apparatus Magneto-optical disk inspecting method and apparatus

1992-04-16

1993-12-14

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

General recording or reproducing

Thermomagnetic recording or transducers

360 86, 360 55, 369 13, 369 58, G11B 502, G11B 1100, G11B 390

Patent

active

052708799

ABSTRACT:
This invention relates to a magneto-optical disk inspecting apparatus in which n pairs of a write head and a read head, and the area of the magneto-optical disk to be inspected is divided in n zones, the respective n pairs being assigned to the respective n zones so that the respective read heads read the data written in the magneto-optical disk by the respective write heads, whereby characteristics of the magneto-optical disk can be inspected. An inspection is conducted by n pairs of a write head and a read head assigned to n zones of the area of the magneto-optical disk to be inspected, whereby the inspection time can be shortened.

REFERENCES:
patent: 4802021 (1989-01-01), Makagawa et al.
patent: 4841502 (1989-06-01), Murakami
patent: 4972396 (1990-11-01), Rafner

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