Information recording method and information recording...

Details Information recording method and information recording... Information recording method and information recording...

2007-08-28

2007-08-28

Hindi, Nabil (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S276000

Reexamination Certificate

active

10817863

ABSTRACT:
An information recording method and information recording apparatus is capable of resolving the trade-off relation between recording density and transmittance, wherein either the reproduction (playback) signal quality or the recording sensitivity is lowered. For this purpose, a voltage is applied by way of ball bearings or slip rings to a specified layer of a medium having multiple layers. The light transmittance of the recording layer is changed by application of this voltage. The tradeoff relationship between recording density and transmittance is eliminated thereby, and the recording density and transmittance levels are both improved, so as to enhance the recording reliability.

REFERENCES:
patent: 6977883 (2005-12-01), Terao et al.
patent: 2003/0218941 (2003-11-01), Terao et al.
patent: 2000-54012 (2000-02-01), None
patent: 2001-344807 (2001-12-01), None
patent: 2003-346378 (2003-12-01), None
Sun, et al., “Polymer Mediated Self-Assembly of Magnetic Nanoparticles”, J. Am. Chem. Soc., vol. 124, No. 12, 2002, pp. 2884-2885.

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