Method and means for data storage using tunnel current data read

Details Method and means for data storage using tunnel current data read Method and means for data storage using tunnel current data read

1983-02-15

1986-03-11

Hecker, Stuart N.

Static information storage and retrieval

Systems using particular element

Semiconductive

365114, 369126, G11C 700, G11C 1134

Patent

active

045758220

ABSTRACT:
Disclosed is a digital memory in which data is stored by establishing perturbations in a surface of a substrate and thereafter identifying the perturbations by establishing a tunnel electron current between the surface of the substrate and a movable probe. The perturbations can be physical, electrical, or magnetic, for example, such that the tunneling electron current is affected thereby. Storage area for a bit of data can be reduced to the order of 10.sup.-4 square microns, and the volume of a 100 megabyte mass storage can be reduced to the order of a cubic centimeter.

REFERENCES:
patent: 3072543 (1963-01-01), Lubow et al.
patent: 3761895 (1973-09-01), Ellis et al.
patent: 3920930 (1975-11-01), Sobczyk
patent: 4106107 (1978-08-01), Goodman
patent: 4340953 (1982-07-01), Iwamura et al.
Binning et al, "Surface Studies by Scanning Tunneling Microscopy", Physical Review Letters, vol. 49, No. 1, Jul. 5, 1982, pp. 57-61.
"Microscopy by Vacuum Tunneling", Physics Today Apr. 1982, pp. 21-22.

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