Abstract: A magnetic memory according to an embodiment includes: a plurality of groups of magnetic nanowires extending in a direction, each group of magnetic nanowires including at least one magnetic nanowire, each magnetic nanowire having a first terminal and a second terminal; a plurality of recording and reproducing elements corresponding to the groups of magnetic nanowires, each recording and reproducing element writing data to and reading data from magnetic nanowires of a corresponding group of magnetic nanowires, and connecting to the first terminals of the magnetic nanowires of the corresponding group of magnetic nanowires; and an electrode to which the second terminals of the magnetic nanowires of the groups of magnetic nanowires are connected.

Abstract: According to one embodiment, a magnetic memory element comprises a first magnetic unit, a second magnetic unit, a first insulating unit, a first electrode, a second electrode, and a third electrode. The first magnetic unit includes a plurality of magnetic domains. The second magnetic unit includes a first region and a second region. The first region includes a conductive material. The second region includes an insulating material. At least one of the first region or the second region is magnetic. The first insulating unit is provided between the first magnetic unit and the second magnetic unit. The first electrode and the second electrode are connected to the first magnetic unit. A part of the second magnetic unit and a part of the first insulating unit are provided between the third electrode and a part of the first magnetic unit.

Abstract: According to one embodiment, a magnetic memory includes a first magnetic unit, a first magnetic layer, a first recording/reproducing element, a first electrode, and a second electrode. The first magnetic unit extends in a first direction. The first magnetic unit includes a plurality of magnetic domains arranged in the first direction. The first magnetic unit has a columnar configuration having a hollow portion. The first magnetic layer is connected to a first end portion of the first magnetic unit, the first magnetic layer extends in a direction intersecting the first direction. The first recording/reproducing element is provided in contact with the first magnetic layer. The first electrode is electrically connected to the first magnetic layer. The second electrode is connected to a second end portion of the first magnetic unit on a side opposite to the first end portion.

Abstract: According to one embodiment, a magnetic memory element includes a first magnetic unit, a second magnetic unit, a third magnetic unit, a read/write unit, a first electrode, a second electrode, a third electrode, a first current source, the second current source. The third magnetic unit is connected to one end in the first direction of the first magnetic unit and one end in the first direction of the second magnetic unit. The read/write unit includes a nonmagnetic layer and a pinned layer. The nonmagnetic layer is connected to the third magnetic unit. The pinned layer is connected to the nonmagnetic layer. The first current source causes a current to flow between the third electrode and at least one of the first electrode or the second electrode. The second current source causes a current to flow between the first electrode and the second electrode.

Abstract: According to one embodiment, a magnetic memory including a first magnetic unit, a first nonmagnetic unit, a first fixed magnetic unit, a second fixed magnetic unit, a first electrode, a second electrode, and a third electrode. The first magnetic unit extends in a first direction. The first magnetic unit includes a plurality of magnetic domains arranged in the first direction. The first nonmagnetic unit contacts one end of the first magnetic unit. The first fixed magnetic unit is separated from the first magnetic unit. The first fixed magnetic unit contacts the first nonmagnetic unit. The second fixed magnetic unit is separated from the first magnetic unit and the first fixed magnetic unit. The second fixed magnetic unit is in contact with the first nonmagnetic unit. The second fixed magnetic unit is magnetized in a direction different from a magnetization direction of the first fixed magnetic unit.

Abstract: According to one embodiment, a magnetic memory includes a first magnetic unit, a first magnetic layer, a first recording/reproducing element, a first electrode, and a second electrode. The first magnetic unit extends in a first direction. The first magnetic unit includes a plurality of magnetic domains arranged in the first direction. The first magnetic unit has a columnar configuration having a hollow portion. The first magnetic layer is connected to a first end portion of the first magnetic unit, the first magnetic layer extends in a direction intersecting the first direction. The first recording/reproducing element is provided in contact with the first magnetic layer. The first electrode is electrically connected to the first magnetic layer. The second electrode is connected to a second end portion of the first magnetic unit on a side opposite to the first end portion.

Abstract: A magnetic memory according to an embodiment includes: a plurality of groups of magnetic nanowires extending in a direction, each group of magnetic nanowires including at least one magnetic nanowire, each magnetic nanowire having a first terminal and a second terminal; a plurality of recording and reproducing elements corresponding to the groups of magnetic nanowires, each recording and reproducing element writing data to and reading data from magnetic nanowires of a corresponding group of magnetic nanowires, and connecting to the first terminals of the magnetic nanowires of the corresponding group of magnetic nanowires; and an electrode to which the second terminals of the magnetic nanowires of the groups of magnetic nanowires are connected.

Abstract: A magnetic memory includes a magnetic thin line including a plurality of magnetic domains, a reference layer having a magnetization, a nonmagnetic layer, a first fixed magnetization part having a magnetization, a second fixed magnetization part having a magnetization, a first electrode, a second electrode, and a third electrode.

Abstract: A stamper of an embodiment includes: a base portion having a main surface; and a plurality of guides arranged on the main surface in mutually different first and second directions and serving as references of arrangement of a plurality of self-assembled dots. A distance between the guides in a third direction is within a range of an integer m1 ±0.05 times of a pitch of the plural self-assembled dots. The third direction corresponds to a third vector obtained by combining a first vector corresponding to the arrangement of the guides in the first direction and a second vector corresponding to the arrangement of the guides in the second direction. A distance between the plural guides in the first direction falls out of a range of an integer m2 ±0.15 times of the pitch of the plural self-assembled dots.

Abstract: An imprint method according to this embodiment includes preparing a mold having a recessed portion, filling the recessed portion with a mold non-reactive material, pressing the mold against a resist which is applied on a base material, curing the resist in a state that the mold is pressed, and separating the mold from the base material. The mold non-reactive material is a material which does not chemically react with a material of the mold. By curing of the resist, the resist and the mold non-reactive material are coupled. When the mold is separated from the base material, the resist and the mold non-reactive material are left on the base material.

Abstract: In one embodiment, a method of manufacturing a mold includes: forming a first layer having an affinity to a second polymer on a substrate having an affinity to a first polymer; forming first and second openings in the first layer; filling a resist in the second openings and hardening the resist to obtain a hardened resist; and forming a second layer containing a block copolymer and causing it to self-assemble.

Abstract: A stamper of an embodiment includes: a base portion having a main surface; and a plurality of guides arranged on the main surface in mutually different first and second directions and serving as references of arrangement of a plurality of self-assembled dots. A distance between the guides in a third direction is within a range of an integer m1±0.05 times of a pitch of the plural self-assembled dots. The third direction corresponds to a third vector obtained by combining a first vector corresponding to the arrangement of the guides in the first direction and a second vector corresponding to the arrangement of the guides in the second direction. A distance between the plural guides in the first direction falls out of a range of an integer m2±0.15 times of the pitch of the plural self-assembled dots.

Abstract: A pattern forming method according to an embodiment includes: forming a pattern film on a first substrate, the pattern film having a concave-convex pattern, the pattern film being made of a material containing a first to-be-imprinted agent; forming a material film on a second substrate, the material film containing a second to-be-imprinted agent having a higher etching rate than an etching rate of the first to-be-imprinted agent; transferring the concave-convex pattern of the pattern film onto the material film by applying pressure between the first substrate and the second substrate, with the pattern film being positioned to face the material film, and by curing the second to-be-imprinted agent; detaching the first substrate from the pattern film; and removing the material film by etching, to leave the pattern film on the second substrate.

Abstract: An embodiment of the invention, to provide a recording method and a storage medium for BCA data with high reliability for a storage medium and a method for reproducing BCA data from the storage medium, and an information recording apparatus and an information reproducing apparatus. In a conventional optical disk, low reliability data is recorded in a data area of BCA. Thus, the thickness of a film material for use in a recording layer oriented to BCA data or close to the inner periphery of the storage medium in the vicinity thereof is formed in uniform thickness by using a substrate of the storage medium, the substrate being formed by being suctioned by means of adsorbing mechanisms formed in an arc shape so as to integrated two of the adsorbing mechanisms to be adjacent to each other.

Abstract: An imprint method according to this embodiment includes preparing a mold having a recessed portion, filling the recessed portion with a mold non-reactive material, pressing the mold against a resist which is applied on a base material, curing the resist in a state that the mold is pressed, and separating the mold from the base material. The mold non-reactive material is a material which does not chemically react with a material of the mold. By curing of the resist, the resist and the mold non-reactive material are coupled. When the mold is separated from the base material, the resist and the mold non-reactive material are left on the base material.

Abstract: An embodiment of the invention, to provide a recording method and a storage medium for BCA data with high reliability for a storage medium and a method for reproducing BCA data from the storage medium, and an information recording apparatus and an information reproducing apparatus. In a conventional optical disk, low reliability data is recorded in a data area of BCA. Thus, the thickness of a film material for use in a recording layer oriented to BCA data or close to the inner periphery of the storage medium in the vicinity thereof is formed in uniform thickness by using a substrate of the storage medium, the substrate being formed by being suctioned by means of adsorbing mechanisms formed in an arc shape so as to integrated two of the adsorbing mechanisms to be adjacent to each other.

Abstract: According to one embodiment, a write-once type information storage medium comprises an organic dye based recording material having sensitivity at a 5 wavelength of 405 nm and at a recording wavelength in the range of 600 nm to 700 nm, wherein, when absorbance of a maximum absorption wavelength in the vicinity of 405 nm is defined as 1, the absorbance is 5% or more at any wavelength in the range of 600 nm to 700 nm.

Abstract: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting layer and which is disposed on a side closer to a light receiving surface, and a second recording part which includes a second recording layer and a second light reflecting layer and which is disposed on a side farther from the light receiving surface, the first recording part and the second recording part being stacked, wherein the thickness of the first light reflecting layer is smaller than the thickness of the second light reflecting layer.

Abstract: According to one embodiment, a write-once type information storage medium comprises an organic dye based recording material having sensitivity at a wavelength of 405 nm and at a recording wavelength in the range of 600 nm to 700 nm, wherein, when absorbance of a maximum absorption wavelength in the vicinity of 405 nm is defined as 1, the absorbance is 5% or more at any wavelength in the range of 600 nm to 700 nm.

Abstract: According to an embodiment, a storage medium includes a transparent resin substrate having a concentric or spiral groove and a recording film formed on the groove on the transparent resin substrate, a recording mark being formed by irradiation of a laser beam, wherein a reproduction durability count in a case where reproduction is continuously carried out by a laser beam is 1,000,000 or more.