Information recording/reproduction apparatus using probe

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Electrical modification or sensing of storage medium

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Details

250306, G11B 900, G01N 2300, G21K 700, G03G 1300

Patent

active

055351859

ABSTRACT:
An information recording/reproduction is performed as follows on a recording medium using a probe. A distance between the probe and a recording layer of the recording medium is controlled, and relative movement of the probe and the medium is effected so that the probe scans a surface of the recording layer. Recording bits corresponding to information is recorded or erased on the recording layer under a predetermined recording/erasing condition. The information is reproduced from the recording bits produced on the recording layer upon detection of a physical quantity such as a tunneling current, an electric field radiation current and the like generated between the probe and the recording layer. A characteristic/state such as an electrical characteristic, a surface state and the like of the recording layer is detected. The recording/erasing condition is corrected on the basis of the detected characteristic/state of the recording layer.

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