Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Patent
1989-08-30
1992-11-03
Envall, Jr., Roy N.
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
369126, 250307, G11B 700, G01N 2300
Patent
active
051611473
ABSTRACT:
Provided is a method for recording information utilizing a scanning tunneling microscope in conjunction with a modulated light source. The method comprises providing an information medium having an information layer as its topmost layer, and passing the tip of a scanning tunneling microscope over the surface of the information medium in conjunction with the tip of the scanning tunneling microscope and/or the surface of the information medium being irradiated with light from a focused light source. The irradiation is modulated in accordance with the information to be recorded such that a detectable change, e.g., a chemical or physical change is induced in the information layer of the medium to create a track of recorded bits of information. The method provides one with the ability to record information with the spatial resolution permitted by a scanning tunneling microscope and with the speed of an optical recording system.
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Goldberg Harris A.
Reifenberger Ronald G.
Envall Jr. Roy N.
Ferrell Michael W.
Hindi Nabil
Hoechst Celanese Corp.
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