Abstract: The present invention discloses a carbon nanotube device comprising a support having a conductive surface and a carbon nanotube, one of whose terminus binds to the conductive surface so that conduction between the surface and the carbon nanotube is maintained, wherein a root of the carbon nanotube where the carbon nanotube binds to the conductive surface is surrounded by a wall. Such a carbon nanotube device, having carbon nanotubes with a uniform direction of growth, can generate a large quantity of emitted electrons when it is used as an electron emission device.

Abstract: The present invention provides a magnetic device to be used by flowing an electric current in the direction of depth of pores comprising a porous layer on a substrate, ferromagnetic layers and a non-magnetic layer being laminated within all or a part of pores, a first ferromagnetic layer, and a second ferromagnetic layer having a smaller coercive force than the first ferromagnetic layer, the first ferromagnetic layer being laminated on the second ferromagnetic layer by being separated with the non-magnetic layer, wherein the first ferromagnetic layer contains the same elements as in the second ferromagnetic layer, the proportion of each element being different between the two ferromagnetic layers.

Abstract: A photoelectric conversion device comprising at least an electron acceptive charge transfer layer, an electron donative charge transfer layer, and a light absorption layer existing between the charge transfer layers, wherein either one of the charge transfer layers comprises a semiconductor acicular crystal layer comprising an aggregate of acicular crystals or a mixture of an acicular crystal and another crystal, and a method of producing the device are disclosed. Consequently, a photoelectric conversion device being capable of smoothly carrying out transfer of electrons and having high photoelectric conversion efficiency is provided.

Abstract: With regard to a function device formed by filling a porous structure with a functional material and a method for manufacturing the functional device, a technique for realizing a structure on a nanometer scale is not fully established. However, a method for manufacturing a function device characterized by including a step of providing a structure including columnar members and an area surrounding the columnar members, a step of removing the columnar members from the structure to form a porous body and a step of filling the porous body with a functional material allows various types of function device to be provided.

Abstract: There are provided a porous material and a process for producing the same. The porous material has a plurality of columnar pores and an area surrounding the pores, and the area is an amorphous area containing C, Si, Ge or a combination thereof.

Abstract: A nanostructure is a porous body comprising a plurality of pillar-shaped pores and a region surrounding them, said region being an oxide amorphous region formed so as to contain C, Si, Ge or a material of a combination of them. Such a nanostructure can be used as functional material that can be used for light emitting devices, optical devices and microdevices. It can also be used as filter.

Abstract: A method of manufacturing a nonostructure, which enables cylindrical pores arrayed according to any periodic pattern to be easily made on a substrate over a large area at a low cost in a short period of time. The method of manufacturing a structure having such pores includes the steps of preparing a substrate having recesses in its surface, providing a film on the surface of the substrate and anodizing the film.

Abstract: An electrodeposition display device comprises a first substrate, a second substrate facing the first substrate, walls for sealing off the substrates, plating liquid sealed in between the substrates so as to form a cell, a first electrode disposed on at least a part of the first substrate, and a second electrode disposed within the cell. Display is performed by applying signals corresponding to image information to the first electrode and the second electrode, so as to change the state thereof to a state wherein electrodeposition of metal has occurred on at least part of the first electrode, and a state wherein at least a part of metal on the first electrode has become disassociated.

Abstract: A photoelectric conversion device comprising at least an electron acceptive charge transfer layer, an electron donative charge transfer layer, and a light absorption layer existing between the charge transfer layers, wherein either one of the charge transfer layers comprises a semiconductor acicular crystal layer comprising an aggregate of acicular crystals or a mixture of an acicular crystal and another crystal, and a method of producing the device are disclosed. Consequently, a photoelectric conversion device being capable of smoothly carrying out transfer of electrons and having high photoelectric conversion efficiency is provided.

Abstract: The present invention discloses a carbon nanotube device comprising a support having a conductive surface and a carbon nanotube, one of whose terminus binds to the conductive surface so that conduction between the surface and the carbon nanotube is maintained, wherein a root of the carbon nanotube where the carbon nanotube binds to the conductive surface is surrounded by a wall. Such a carbon nanotube device, having carbon nanotubes with a uniform direction of growth, can generate a large quantity of emitted electrons when it is used as an electron emission device.

Abstract: A structure having recesses and projections is provided. A method of manufacturing the structure comprises the steps of preparing a first substrate having a projection, forming a first layer on the projection, transferring the first layer to a second substrate, and forming a recessed/projected surface structure in the second substrate by using the first layer.

Abstract: The invention provides a magnetic recording medium and a method of manufacturing the magnetic recording medium, in which a high density and good storage stability can be achieved by giving anisotropy in shape to a magnetic substance. A plan shape of the magnetic substance in the magnetic recording medium, which appears on the recording surface side, is an ellipse that is present within a rectangle and has a minor axis with a length equal to a short side of the rectangle. A quadrilateral defined by four intersects of two adjacent vertical rows and two adjacent horizontal rows, each of these rows comprising a plurality of pores, has a rectangular or rhombic shape.

Abstract: A structure having projections is provided. The structure having projections comprises a first projection formed on a first layer containing a first material, and a plurality of second projections formed around the first projection and containing a material capable of being subjected to anodic oxidation.

Abstract: The present invention discloses a carbon nanotube device comprising a support having a conductive surface and a carbon nanotube, one of whose terminus binds to the conductive surface so that conduction between the surface and the carbon nanotube is maintained, wherein a root of the carbon nanotube where the carbon nanotube binds to the conductive surface is surrounded by a wall. Such a carbon nanotube device, having carbon nanotubes with a uniform direction of growth, can generate a large quantity of emitted electrons when it is used as an electron emission device.

Abstract: A structure having a hole, including a substrate, a first layer including an alumina hole, and a second layer disposed between the substrate and the fist layer, wherein the second layer contains silicon, and has a smaller hole than the alumina hole.

Abstract: A magnetic recording medium includes a cylindrical substrate and pores embedded with a magnetic substance that are provided on the outer circumferential surface of the cylindrical substrate and aligned in tracks that are in parallel with one another along the center axis of the cylindrical substrate. The tracks have as their center the center axis of the cylindrical substrate, and form circular orbits defined by planes perpendicular to the center axis. Alternatively, the tracks are in a spiral orbit or in spiral orbits whose center is the center axis of the cylindrical substrate. The pores at intersections of vertical and horizontal rows are aligned in quadrilaterals such as squares, rectangles or rhombi.

Abstract: A magnetic device which has a layer having pores on a substrate and is to be used by applying electric current in the direction of depth of the pores includes a laminated structure in which a first ferromagnetic layer, a second ferromagnetic layer having a smaller coercive force than the first ferromagnetic layer and a non-magnetic layer are laminated within a part or all of the pores, wherein a hard layer having the first ferromagnetic layer, and a free ferromagnetic layer including the second ferromagnetic layer are laminated through the non-magnetic layer, and the hard layer further has a laminated structure in which a plurality of first ferromagnetic layers form antiferromagnetic coupling through the non-magnetic layer. A solid-state magnetic memory has the magnetic device.

Abstract: A method of manufacturing a nanostructure which enables cylindrical pores arrayed according to any periodic pattern to be easily made on a substrate through a large area at a low cost in a short time. The method of manufacturing a structure having such pores has the steps of preparing a substrate having recesses in its surface, providing a film on a surface of the substrate, and anodizing the film.

Abstract: A method of producing oxide whiskers is provided which comprises heating a source material comprised of a metal or an inorganic compound at a first temperature to be vaporized and depositing a crystal constitutive material vaporized from the source material on a substrate heated at a second temperature lower than the first temperature.

Abstract: Provided is a method for producing regularly ordered narrow pores excellent in linearity, and a structure with such narrow pores. A method for producing a narrow pore comprises a step of radiating a particle beam onto a workpiece, and a step of carrying out anodic oxidation of the workpiece having been irradiated with the particle beam, to form a narrow pore in the workpiece.