Process for preparing an electrode substrate and process for preparing a recording medium

A process for preparing an electrode substrate, comprising the step of forming an electrode layer containing a conductive material on a smooth matrix with a surface unevenness of 1 nm or less and a size of 1 μm/or more and the step of separating said electrode layer from the matrix.

A recording medium, having a smooth surface with surface unevenness of 1 nm or less and a size of 1 μm/or more.

A process for preparing a recording medium, comprising the step of forming an electrode layer containing a conductive material on a smooth surface matrix with a surface unevenness of 1 nm or less and a size of 1 μm/or more, the step of separating said electrode layer from the matrix and the step of forming a recording layer on said electrode layer.

An information processing device, equipped with a smooth recording medium with a surface unevenness of 1 nm or less and a size of 1 μm/or more, an electroconductive probe arranged approximate to said recording medium and a pulse voltage application circuit for recording.

An information processing device, equipped with a smooth recording medium with a surface unevenness of 1 nm or less and a size of 1 μm/or more, an electroconductive probe arranged approximate to said recording medium, a pulse voltage application circuit for recording and a bias voltage application circuit for reproduction.

An information processing device, equipped with a smooth recording medium with a surface unevenness of 1 nm or less and a size of 1 μm/or more, and comprising an information recorded thereon, an electroconductive probe arranged approximate to said recording medium and a bias voltage application circuit for reproduction.

An information processing method which comprises approaching an electroconductive probe to a smooth recording medium having a recording layer on an electrode substrate and with a surface unevenness of 1 nm or less and a size of 1 μm/or more, and performing recording of an information by applying a pulse voltage between the electrode substrate and the electroconductive probe.

An information processing method which comprises approaching an electroconductive probe to a smooth recording medium having a recording layer on an electrode substrate and with a surface unevenness of 1 nm or less and a size of 1 μm/or more, and performing recording of an information by applying a pulse voltage between the electrode substrate and the electroconductive probe and performing reproducing of the recorded information by applying a bias voltage.

An information processing method which comprises approaching an electroconductive probe to a smooth recording medium having a recording layer on an electrode substrate and with a surface unevenness of 1 nm or less and a size of 1 μm/or more, performing recording of an information by applying a first pulse voltage between the electrode substrate and the electroconductive probe, performing reproducing of the recorded information by applying a bias voltage and performing erasing of the recorded information by further applying a second pulse voltage.

An embedded electrode, which is an electrode embedded in a supporting substrate, a part of the surface of said electrode being exposed, and the difference of height of unevenness of said exposed surface being 1 nm or less, and the exposed surface and the surface of the supporting substrate being the same plane.

A process for preparing an embedded electrode, which comprises forming a metal thin film and an insulating thin film on a smooth matrix, further backing it with a supporting substrate and then peeling off said smooth matrix to form a smooth surface electrode with the smooth surface of said smooth matrix formed thereon.

A process for preparing a peeled film, which comprises forming a metal film on a smooth matrix and peeling off said metal film to obtain a film with smooth surface, or further forming a metal film on said metal film surface after peeled off and peeling off said metal film to form a metal film with smooth surface, wherein the film to be peeled formed on the matrix or the surface of the metal film is formed by use of the Langmuir-Blodgett's method.

An electrode substrate, having a smooth surface with surface unevenness of 1 nm or less and a size of 1 μm/or more and a groove for tracking.

A process for preparing an electrode substrate, comprising the step of providing a smooth matrix with a surface unevenness of 1 nm and a size of 1 μm/or more, having a concave or convex shape the step of forming an electrode layer containing a conductive material on said matrix and the step of separating said electrode layer from the matrix.

A recording medium, having a smooth surface with surface unevenness of 1 nm or less and a size of 1 μm/or more and a groove for tracking.

A process for preparing a recording medium, comprising the step of providing a smooth matrix with a surface unevenness of 1 nm or less and a size of 1 μm/or more, having a concave or convex shape the step of forming an electrode layer containing a conductive material on said matrix, the step of separating said electrode layer from the matrix and the step of forming a recording layer on said electrode layer.

An information processing device, equipped with a smooth recording medium with a surface unevenness of 1 nm or less and a size of 1 μm/or more and a groove for tracking, an electroconductive probe arranged approximate to said recording medium and a pulse voltage application circuit for recording.

An information processing device, equipped with a smooth recording medium with a surface unevenness of 1 nm or less and a size of 1 μm/or more and a groove for tracking, an electroconductive probe arranged approximate to said recording medium, a pulse voltage application circuit for recording and a bias voltage application circuit for reproduction.

An information processing device, equipped with a smooth recording medium with a surface unevenness of 1 nm or less and a size of 1 μm/or more, and a groove tracking, comprising an information recorded thereon, an electroconductive probe arranged approximate to said recording medium and a bias voltage application circuit for reproducing.

An information processing method which comprises approaching an electroconductive probe to a smooth recording medium having a recording layer on an electrode substrate and with a surface unevenness of 1 nm or less and a size of 1 μm/or more and a groove for tracking, and performing recording of an information by applying a pulse voltage between the electrode substrate and the electroconductive probe.

An information processing method which comprises approaching an electroconductive probe to a smooth recording medium having a recording layer on an electrode substrate with a surface unevenness of 1 nm or less and a size of 1 μm/or more and a groove for tracking, performing recording of an information by applying a pulse voltage between the electrode substrate and the electroconductive probe and performing reproducing of the recorded information by applying a bias voltage.

An information processing method which comprises approaching an electroconductive probe to a smooth recording medium having a recording layer on an electrode substrate with a surface unevenness of 1 nm or less and a size of 1 μm/or more and a groove for tracking, performing recording of an information by applying a first pulse voltage between the electrode substrate and the electroconductive probe, performing reproducing of the recorded information by applying a bias voltage and performing erasing of the recorded information by further applying a second pulse voltage.

An electrode substrate having a concave-shaped groove for tracking on the surface, said groove having a depth which can detect of the tunnel current from the bottom of said groove by a probe electrode for scanning the surface.

A recording medium having a concave-shaped track groove on the surface, said groove for tracking having a depth which can detect the tunnel current from the bottom of said groove by a probe electrode for scanning the surface.

An information processing device, comprising a recording medium having a concave-shaped groove for tracking on the surface, said groove having a depth which can detect the tunnel current from the bottom of said groove by a probe electrode for scanning the surface, a probe electrode arranged approximate to said recording medium and a pulse voltage application circuit for recording.

An information processing device, comprising a recording medium having a concave-shaped groove for tracking on the surface, said groove having a depth which can detect the tunnel current from the bottom of said groove by a probe electrode for scanning the surface, a probe electrode arranged approximate to said recording medium and a pulse voltage application circuit for recording and a bias voltage application circuit for reproducing.

An information processing device, comprising a recording medium having a concave-shaped groove for tracking on the surface, said groove having a depth which can detect the tunnel current from the bottom of said groove by a probe electrode for scanning the surface, a probe electrode arranged approximate to said recording medium a pulse voltage application circuit for recording/erasing and a bias voltage application circuit for reproducing.

An information processing device, comprising a recording medium having a concave-shaped groove for tracking on the surface, said groove having a depth which can detect the tunnel current from the bottom of said groove by a probe electrode for scanning the surface and also having an information recorded thereon, a probe electrode arranged approximate to said recording medium, a bias voltage application circuit for reproducing.

An information processing method, which comprises approximating a probe electrode to a recording medium comprising a recording layer provided on an electrode substrate having a concave-shaped groove for tracking on the surface, said groove on the recording surface having a depth which can detect the tunnel current from the bottom of said groove by a probe electrode for scanning the surface, applying a bias voltage between the probe electrode and the electrode surface to distinguish the recording surface and the track portion by the tunnel current, and applying a pulse voltage between the probe electrode and the electrode substrate to perform recording of an information on the recording surface.

An information processing method, which comprises approximating a probe electrode to a recording medium comprising a recording layer provided on an electrode substrate having a concave-shaped groove for tracking on the surface, said groove on the recording surface having a depth which can detect the tunnel current from the bottom of said groove by a probe electrode for scanning the surface, applying a bias voltage between the probe electrode and the electrode surface to distinguish the recording surface and the track portion by the tunnel current, applying a pulse voltage between the probe electrode and the electrode substrate to perform recording of an information on the recording surface, and applying a bias voltage between the probe electrode and the electrode substrate to reproduce the recording of the information.

An information processing method, which comprises approximating a probe electrode to a recording medium comprising a recording layer provided on an electrode substrate having a concave-shaped groove for tracking on the surface, said groove on the recording surface having a depth which can detect the tunnel current from the bottom of said groove by a probe electrode for scanning the surface, applying a bias voltage between the probe electrode and the electrode surface to distinguish the recording surface and the track portion by the tunnel current, applying a pulse voltage between the probe electrode and the electrode substrate to perform recording of an information on the recording surface, applying a bias voltage between the probe electrode and the electrode substrate to reproduce the recording of the information, and applying a pulse voltage between the probe electrode and the electrode substrate to perform erasing of the recorded information.

A process for preparing an electrode substrate, comprising the step of forming an organic thin film on a substrate having 1 μm/or more of a surface with unevenness of 1 nm or less, the step of irradiating an electron beam on said thin film followed by developing to form a pattern of said thin film, the step of forming an electrode layer comprising an electroconductive material on the substrate having said pattern, and the step of separating said substrate from the electrode layer, thereby obtaining an electrode substrate having a concave-shaped groove for tracking on the surface.

A process for preparing a recording medium, comprising the step of forming an organic thin film on a substrate having 1 μm/or more of a surface with unevenness of 1 nm or less, the step of irradiating an electron beam on said thin film followed by developing to form a pattern of said thin film, the step of forming an electrode layer comprising an electroconductive material on the substrate having said pattern, the step of separating said substrate from the electrode layer, and the step of forming a recording layer on the surface of the electrode layer faced to said substrate, thereby obtaining a recording medium having a concave-shaped groove for tracking on the surface.