Information recording/reproducing apparatus using probe

Details Information recording/reproducing apparatus using probe Information recording/reproducing apparatus using probe

1993-03-03

1994-12-06

Hannaher, Constantine

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Electrical modification or sensing of storage medium

G11B 900

Patent

active

053717287

ABSTRACT:
An information recording/reproducing apparatus effects recording of information by moving a probe close to a recording medium and scanning a surface of the medium parallelly with the probe, reading out information by using a micro signal obtained from a physical phenomenon occurring in the scan. The apparatus is provided with plate electrodes and a capacity detecting device. One of the plate electrodes is formed on a substrate which supports the probe. The other plate electrode is formed on a substrate which supports the recording medium. A capacity between the plate electrodes is detected by the capacity detecting device. A gap between the probe and the recording medium is controlled in accordance with the detection result.

REFERENCES:
patent: 5015850 (1991-05-01), Zdeblick et al.
patent: 5187367 (1993-02-01), Miyazaki et al.
G. Binning et al., "Surface Studies by Scanning Tunneling Microscopy", Phys. Rev. Lett., vol. 49, p. 57 (1982).
K. E. Peterson, "Silicon as a Mechanical Material", Proceedings of the IEEE, vol. 70, p. 420 (1982).
G. Binning et al., "Tunneling through a controllable vacuum gap", Appl. Phys. Lett., vol. 40, p. 178 (1982).

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