Abstract: A process for producing a patterned structure comprises imprinting a first pattern by pressing a stamper having a projection-depression configuration on the surface against an imprint-work layer, and imprinting a second pattern by displacing relatively the stamper from the position of the first pattern to another position on the imprint-work layer and then pressing the stamper against the imprint-work layer.

Abstract: A process for producing a structure having a porous layer is provided. The process forms the porous layer with high thickness-controllability. The process comprises steps of preparing a layered product having, on a substrate, a first nonporous layer and a second nonporous layer different in constituting material composition from the first layer; anodizing the layered product to form pores in the first nonporous layer and the second nonporous layer; and removing the second nonporous layer having pores formed therein from the layered product.

Abstract: A novel mold is provided. The mold is prepared through steps of forming concavo-convex pattern on substrate, forming a film by embedding material of a composition having shape-memory in the concavo-convex pattern, and forming mold having the concavo-convex pattern by separating the film from the concavo-convex pattern after the film formation in the film formation step.

Abstract: A liquid application material that is capable of forming an oxidized insulator as a result of baking is applied onto a support substrate to produce an object of processing. Then, a mold having projection structures with intervals of nanometers is pressed against the applied liquid material to produce corresponding recess structures. Thereafter, the applied liquid material is baked in oxygen-containing gas or oxidized in ozone or oxygen plasma to make it electrically highly resistive. Subsequently, a layer to be anodized is formed on said oxidized insulator. Then, the layer to be anodized is actually anodized in an acidic solution to form fine holes that are aligned with the respective recess structures in the anodized layer. Accordingly, fine recess structures can be manufactured with ease.

Abstract: An anodized coating suitable for formation of highly regulated pores is provided. A method for production of a structure having pores characterized by including the steps of: forming starting points at predetermined intervals in an aluminum alloy formed on a substrate; and forming pores by anodization with the starting points as origins.

Abstract: The present invention relates to a process for producing a structure having holes at prescribed positions. The structure is produced through steps of (A) providing an impressing member having protrusions, and a substrate, (B) forming a layer, on the substrate, from a material having a less strength than the impressing member, (C) forming depressions by impressing the impressing member on the layer corresponding to protrusions of the impressing member, (D) etching the layer to bare at least a part of the surface of the substrate, and (E) anodizing the substrate to form holes on the substrate.

Abstract: A process for producing a nano-structure is provided which enables control of the pore diameters and the pore intervals by film formation conditions. The process produces a nano-structure of an aluminum-silicon-germanium mixed film containing silicon and germanium at a content of 20 to 70 atom % relative to aluminum, the mixed film being constituted of a matrix composed mainly of silicon and germanium in a composition ratio of SixGe1-x (0?X?1), and cylindrical portions mainly composed of aluminum having a diameter of not larger 30 nm in the matrix. In the process, the mixed film is formed at a film-forming rate of not higher than 150 nm/min.

Abstract: A nano structure having pore array structures in which a plurality of periodic arrays are formed adjacent to one another and a method of manufacturing the nano structure are provided. A nano structure having periodic array structures of pores formed in an anodized oxide film with a plurality of types of the periodic array structures arranged adjacent to one another is provided. Furthermore, a method of manufacturing a nano structure in which a plurality of periodic array structures formed in an anodized oxide film having different periods are arranged adjacent to one another, including (1) a step of forming pore starting points made up of a plurality of types of periodic arrays on the surface of a substrate comprised of aluminum as a principal component and (2) a step of anodizing the substrate simultaneously at the same anodization voltage is provided.

Abstract: A process of a porous body comprises the steps of disposing a first material in which pores are formed by anodization on a substrate to form a first layer, disposing on the first layer a second material which has a hardness lower than that of the first material and an oxide of which is dissolved by an anodization step to form a second layer, forming a concave structure on a surface of the second layer, oxidizing the second layer, and subjecting the first layer to anodization to dissolve the second layer. A magnetic recording medium or a light-emitting element comprises a first layer which is comprised of an oxide of aluminum and comprises a porous portion on a substrate, and a second layer on the first layer which has a hardness lower than that of the first layer and is comprised of a metal element, wherein the pores are packed with a magnetic substance or a light-emitting material.

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: A process for producing a structure having a porous layer is provided. The process forms the porous layer with high thickness-controllability. The process comprises steps of preparing a layered product having, on a substrate, a first nonporous layer and a second nonporous layer different in constituting material composition from the first layer; anodizing the layered product to form pores in the first nonporous layer and the second nonporous layer; and removing the second nonporous layer having pores formed therein from the layered product.

Abstract: A surface optical device apparatus includes a surface optical device capable of emitting or receiving light through a surface thereof and a thick layer formed of a radiation-curable or electron-beam-curable material, such as a polymerizable resist. In the thick layer, a guide hole for inserting an end portion of a light-transmission member, such as an optical fiber, and a plastic optical fiber with a flat end face or a lens-shaped end face, therein is formed at a position corresponding to the surface of the surface optical device such that the surface optical device can be optically coupled to the light-transmission member inserted in the guide hole. The guide hole is formed in the thick layer by performing a patterning on the thick layer using photolithography to selectively harden the thick layer and developing the thick layer.

Abstract: A method of manufacturing a structure is provided. This method include a 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 removing at least apart of the second substrate.

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: A liquid application material that is capable of forming an oxidized insulator as a result of baking is applied onto a support substrate to produce an object of processing. Then, a mold having projection structures with intervals of nanometers is pressed against the applied liquid material to produce corresponding recess structures. Thereafter, the applied liquid material is baked in oxygen-containing gas or oxidized in ozone or oxygen plasma to make it electrically highly resistive. Subsequently, a layer to be anodized is formed on said oxidized insulator. Then, the layer to be anodized is actually anodized in an acidic solution to form fine holes that are aligned with the respective recess structures in the anodized layer. Accordingly, fine recess structures can be manufactured with ease.

Abstract: A plastic optical fiber with a lens of the present invention includes a plastic optical fiber including a core and a cladding, and a lens having a function of controlling light rays. The lens is formed of a material with a thermally-softening temperature higher than a thermally-softening temperature of the core of the plastic optical fiber, and the lens is integrated with the plastic optical fiber by heating and pressing the lens against an end face of the plastic optical fiber.

Abstract: A plastic optical fiber with a lens portion includes a plastic optical fiber with a concave portion formed on its end face, and a lens portion having a function of controlling light rays. The lens portion is formed of a refractive index adjusting material filled in the concave portion and having a refractive index different from a refractive index of the plastic optical fiber.

Abstract: A plastic optical fiber with a lens portion includes a plastic optical fiber with a concave portion formed on its end face, and a lens portion having a function of controlling light rays. The lens portion is formed of a refractive index adjusting material filled in the concave portion and having a refractive index different from a refractive index of the plastic optical fiber.

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: 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.