Information recording/reproducing apparatus for performing recor

Details Information recording/reproducing apparatus for performing recor Information recording/reproducing apparatus for performing recor

1993-05-03

1995-07-11

Epps, Georgia Y.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Electrical modification or sensing of storage medium

369107, 369124, 250306, 250307, 359 3, G11B 900

Patent

active

054327717

ABSTRACT:
A recording/reproduction of information is effected using a probe electrode arranged to oppose a recording medium. A distance between the probe electrode and the recording medium is controlled by applying a voltage therebetween. A current flowing through the probe electrode upon application of the voltage is detected while the scanning is performed with the probe electrode over the recording medium. A correlation between a signal output according to the current detection and a reference signal is obtained to produce a reproduction signal from which a noise component due to an influence of an atomic step present on a surface of the recording medium is removed. The reproduction of information is effected in accordance with the generated reproduction signal.

REFERENCES:
patent: 5255259 (1993-10-01), Hatanaka et al.
G. Binning, et al., "Surface Studies by Scanning Tunneling Microscopy," Physical Review Letters, vol. 94, No. 1, pp. 57-61 (Jul. 5, 1982).

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