Information processing apparatus, and electrode substrate...

G - Physics – 11 – B

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G11B 9/00 (2006.01) C30B 7/00 (2006.01) G11C 13/02 (2006.01)

Patent

CA 2074914

An electrode substrate includes a substrate and an electrode layer of a noble metal crystal formed on the substrate, the noble metal crystal exhibiting a substantially linear domain boundary and a plane orientation dispersion angle in X-ray analysis of 1° or less. An information recording medium includes an electrode substrate as described above and a recording layer provided on the electrode layer. An information processing apparatus includes: an information recording medium as described above; a probe electrode arranged in close proximity to this medium; and a voltage applying circuit for applying a pulse/bias voltage between the medium and the probe electrode, information being written/read onto/from the medium by the application of the pulse/bias voltage. An information processing method includes the steps of: preparing an information recording medium as described above; arranging a probe electrode in close proximity to the medium; and applying a pulse/bias voltage between the medium and the probe electrode so as to write/read information onto/from the medium.

Substrat d'électrode comprenant un substrat sur lequel est formée une couche électrode en cristal de métal noble. Ledit cristal présente une limite de domaine essentiellement linéaire et un angle de dispersion dans le plan d'analyse aux rayons X de 1.degré. ou moins. Un support d'enregistrement d'information comprend un substrat d'électrode conforme à la description précitée et une couche d'enregistrement recouvrant la couche électrode. Un appareil de traitement d'information comprend : un support d'enregistrement d'information conforme à la description précitée; une électrode sonde disposée très près dudit support; et un circuit de mise sous tension pour appliquer entre le support et l'électrode sonde une tension d'impulsion/de polarisation permettant l'écriture/lecture d'information sur le support. Une méthode de traitement d'information comprend les étapes suivantes : produire un support d'enregistrement d'information conforme à la description précitée; disposer une électrode sonde très près du support; et appliquer entre le support et l'électrode sonde une tension d'impulsion/de polarisation permettant l'écriture/lecture d'information sur le support.

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