Dynamic information storage or retrieval – Specific detail of information handling portion of system – Electrical modification or sensing of storage medium
Patent
1989-08-30
1991-09-24
Levy, Stuart S.
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Electrical modification or sensing of storage medium
365151, 365118, 369101, G11C 1100, G11C 1300, G11B 900
Patent
active
050519778
ABSTRACT:
Provided is a method of reading information contained in an information medium by utilizing a scanning, tunneling microscope in conjunction with a substrate layer which fluoresces when high energy electrons pass into contact therewith. The method comprises providing an information medium comprised of an information layer which contains a track of information bits and the fluorescing substrate layer. A tip of a scanning tunneling microscope is then passed over the information layer, with the resulting fluorescence being measured. By utilizing the unique resolution available from the scanning tunneling microscope and the fluorescence of the substrate layer in order to read the information recorded, a surprisingly accurate and efficient method is achieved for reading highly densified information.
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Surface Modification With The Scanning Tunneling Microscope by Abraham et al., 9-86.
Hoechst Celanese Corp.
Kalyanaraman P. S.
Levy Stuart S.
Rhoa Joseph A.
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