Dynamic information storage or retrieval – Specific detail of information handling portion of system – Electrical modification or sensing of storage medium
Patent
1992-12-09
1993-10-19
Berman, Jack I.
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Electrical modification or sensing of storage medium
G11B 900
Patent
active
052552594
ABSTRACT:
A method of access of a probe electrode to a recording medium having on the surface thereof an edge portion having a level difference larger than a recording recess-projection or having an electron state different from a recording electron state includes steps of detecting the edge portion; causing the probe electrode to scan at a certain angle to the edge portion; and moving the recording medium in a direction along the edge portion. A method for processing information including recording, reproducing, and erasing of information by access of a probe electrode to a recording medium having on the surface thereof an edge portion having a level difference larger than a recording recess-projection or having an electron state different from a recording electron state includes steps of detecting the edge portion; causing the probe electrode to scan at a certain angle to the edge portion; and applying a pulse voltage for recording, or erasing, or a bias voltage for reproducing information between the recording medium and the probe electrode.
REFERENCES:
patent: 4575822 (1986-03-01), Quate
patent: 4829507 (1989-05-01), Kazan et al.
patent: 4878213 (1989-10-01), Kazan et al.
Binning, et al., "Surface Studies by Scanning Tunneling Microscopy," Physical Review Letters, vol. 49, No. 1, Jul. 1982, pp. 57 through 60.
Hatanaka Katsunori
Kuroda Ryo
Miyazaki Toshihiko
Nose Hiroyasu
Takamatsu Osamu
Berman Jack I.
Canon Kabushiki Kaisha
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