Information storage apparatus

Details Information storage apparatus Information storage apparatus

1992-03-09

1994-06-21

Dzierzynski, Paul M.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Electrical modification or sensing of storage medium

365151, G11B 908

Patent

active

053233751

ABSTRACT:
An information storage apparatus in which one unit (or one bit) of information is stored by bringing a fine tip electrode with a tip portion of a dimension on the order of an inter-atomic distance (or several angstroms) in proximity to an atom on a flat surface of a material (for example, a semiconductor) with a gap on the order of an inter-atomic distance being provided between the tip electrode and the atom, and applying a voltage to the tip electrode so that the alignment of a dimer (or a pair of atoms) on the material surface in the vicinity of the tip electrode is changed by virtue of a tunnelling effect which is a quantum mechanical effect.

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patent: 5015850 (1991-05-01), Zdeblick et al.
patent: 5038322 (1991-08-01), Van Loenen
patent: 5043578 (1991-08-01), Guethner et al.
patent: 5144148 (1992-09-01), Eigler
patent: 5144581 (1992-09-01), Toda et al.
Hamers et al. "Scanning tunneling microscopy of Si(001)" vol. 34, No. 8, pp. 5343-5357, 1986.
Eigler et al. "Positioning single atoms with a scanning tunnelling microscope" vol. 344, pp. 524-526, Apr., 1990.

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