G - Physics – 11 – B
Patent
G - Physics
11
B
352/32.1
G11B 7/00 (2006.01)
Patent
CA 1292066
METHOD FOR PHOTOTHERMAL INFORMATION RECORDING, READING AND ERASING ABSTRACT A method for photothermal information recording, reading and erasing consists in that the surface of a recording medium is charged prior to the photothermal re- cording process and then exposed, during photothermal information recording and erasing, to a modulated electro- magnetic beam localized to a spot size of the order of one information unit with the energy exceeding the energy required for softening the material of the recording medium, and, during information readout, with the energy less than that for softening the material of the recording medium, the surface of the recording medium being discharged before erasing information.
535916
Antonov Alexandr A.
Grinko Dmitry A.
Krjuchin Andrei A.
Petrov Vyacheslav V.
Antonov Alexandr A.
Grinko Dmitry A.
Institut Problem Modelirovania V. Energetike Akademii Nauk Ukrai
Krjuchin Andrei A.
Petrov Vyacheslav V.
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