Abstract: A pattern forming method is provided, which includes forming, above a substrate, a layer of a diblock copolymer composition containing at least PS and PEO, subjecting the layer to phase separation to obtain a phase-separated layer, thereby forming an easy-to-etch region constituted by PS and having a cylindrical or lamellar configuration extending in a first direction, forming an imprinting resist layer on the phase-separated layer, subjecting the imprinting resist layer to imprinting to form, on the imprinting resist layer, an uneven pattern consisting of projections and recesses extending in a second direction intersecting with the first direction, selectively removing, from the imprinting resist layer, the recesses, thereby leaving only the projections and, at the same time, selectively removing the PS from the phase-separated layer to obtain an etching resistive pattern containing PEO, and etching the substrate using, as a mask, not only the projections but also the etching resistive pattern.

Abstract: It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.

Abstract: According to one embodiment, a magnetic recording medium includes a data region and a servo region adjacent to the data region and including a magnetic recording layer, the magnetic recording layer including first and second patterned regions adjacent to each other, the first patterned region including a first nonmagnetic matrix and first magnetic particles dispersed in the first nonmagnetic matrix and having magnetization oriented in a first direction, the second patterned region includes a second nonmagnetic matrix and second magnetic particles dispersed in the second nonmagnetic matrix and having magnetization oriented in a second direction opposite to the first direction, sizes of the first magnetic particles being smaller than sizes of the second magnetic particles.

Abstract: In an example magnetic recording medium substrate, a plurality of recording tracks are formed on a substrate, each recording track being formed of a magnetic material. Non-recording sections are formed on the substrate, each non-recording section separating adjacent recording tracks. Each recording track includes a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section has a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.

Abstract: It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.

Abstract: There is provided a method for pattern formation, including a step of coating a composition comprising a block copolymer, a silicon compound, and a solvent for dissolving these components onto an object to form a layer of the composition on the object, a step of subjecting the layer of the composition to self-organization of the block copolymer to cause phase separation into a first phase, in which the silicon compound is localized, having higher etching resistance by heat treatment or/and oxygen plasma treatment, and a second phase comprising a polymer phase and having lower etching resistance by heat treatment or/and oxygen plasma treatment, and thereby forming a pattern layer with a fine pattern, and a step of etching the object using as a mask the thus formed pattern layer.

Abstract: It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.

Abstract: A simulation method includes obtaining an execution log generated while a predetermined processing is executed by simulating a series of operations in a test model that is a modeled version of a test target device by causing a predetermined processing to be executed in the test model, extracting a processing unit log constituted by a predetermined processing unit from the execution log obtained in the obtaining, and simulating an operation in which processing corresponding to the processing unit log extracted in the extracting is executed in a test model in which a part of function of the test target device is modified, the operation being simulated on the basis of a setting condition set by a user.

Abstract: It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.

Abstract: A magnetic recording media has recording cells formed of two-dimensionally arrayed magnetic material, a nonmagnetic layer surrounding the recording cells, an adhesive film formed on each of the recording cells, and a lubricant directly adhered to the adhesive film.

Abstract: It is made possible to manufacturing a magnetic recording medium capable of high-density recording at low cost. A method for manufacturing a magnetic recording medium, includes: forming a magnetic film on a substrate; and forming a pattern transfer film, into which a concavo-convex pattern of a magnetic recording medium is to be transferred by imprinting, by vapor-depositing a material for forming the pattern transfer film onto the magnetic film while heating the material at a temperature of 100° C. to 400° C. in a vacuum of 1×10?3 Torr or less.

Abstract: The present invention relates to a technique for executing performance evaluation simulation of a system to be implemented by software or hardware. A simulation apparatus includes a first acquisition section for executing existing tentative software to acquire a first execution log, a division section for dividing the first execution log into a plurality of basic processing units, a basic processing execution log production section for modifying some of the plural basic processing units to produce a basic processing execution log to be used for simulation, and a simulation execution section for inputting the basic processing execution log to a hardware model to execute the simulation to acquire information required for the performance evaluation.

Abstract: The present invention provides a pattern forming method using phase separation structure of self-assembling block copolymer and minimizing variations in pattern. A substrate having groove structure pre-formed thereon, is coated with a solution of the block copolymer comprising at least one block having a mesogen group. The block copolymer is caused to self-assemble in the groove to form block copolymer assemblies, which are regularly arrayed. The invention also relates to a processing method of processing a substrate by the use of the pattern obtained by the pattern forming method as a template.

Abstract: It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.

Abstract: A performance evaluation simulation apparatus divides a process into basic process units based on an execution log, calculates a throughput of each basic process unit from information held in the execution log, changes an arrangement structure so that a basic process unit with the calculated throughput exceeding a predetermined threshold is disposed in a hardware model, and performs a performance evaluation simulation on the hardware model and a software model to generate statistical information on which performance evaluation is based.

Abstract: A magnetic recording medium includes a disk substrate, and recording cells arrayed on the disk substrate in a track direction, the recording cells includes a ferromagnetic pattern and a magnetic pattern formed on one of two sidewalls of the ferromagnetic pattern in the track direction and having a lower crystalline magnetic anisotropy constant Ku than that of the ferromagnetic pattern.

Abstract: A pattern forming method is provided, which includes forming, above a substrate, a layer of a diblock copolymer composition containing at least PS and PEO, subjecting the layer to phase separation to obtain a phase-separated layer, thereby forming an easy-to-etch region constituted by PS and having a cylindrical or lamellar configuration extending in a first direction, forming an imprinting resist layer on the phase-separated layer, subjecting the imprinting resist layer to imprinting to form, on the imprinting resist layer, an uneven pattern consisting of projections and recesses extending in a second direction intersecting with the first direction, selectively removing, from the imprinting resist layer, the recesses, thereby leaving only the projections and, at the same time, selectively removing the PS from the phase-separated layer to obtain an etching resistive pattern containing PEO, and etching the substrate using, as a mask, not only the projections but also the etching resistive pattern.

Abstract: There is provided a method for pattern formation, including a step of coating a composition comprising a block copolymer, a silicon compound, and a solvent for dissolving these components onto an object to form a layer of the composition on the object, a step of subjecting the layer of the composition to self-organization of the block copolymer to cause phase separation into a first phase, in which the silicon compound is localized, having higher etching resistance by heat treatment or/and oxygen plasma treatment, and a second phase comprising a polymer phase and having lower etching resistance by heat treatment or/and oxygen plasma treatment, and thereby forming a pattern layer with a fine pattern, and a step of etching the object using as a mask the thus formed pattern layer.

Abstract: A magnetic recording medium which allows high density recording and has excellent durability can be obtained. A magnetic recording medium includes: a plurality of ferromagnetic material dots arranged on a soft magnetic layer formed on a non-magnetic substrate so as to be separated from one another; and carbon films which are formed on the respective ferromagnetic material dots, each carbon film having a smooth film face shape in a section passing through the center of each ferromagnetic material dot and a film thickness gradually decreasing from the center of the ferromagnetic material dot toward an outer edge thereof.

Abstract: A recording medium includes a substrate, and a recording layer formed on the substrate having (a) a recording track band, and (b) recording cells regularly arrayed in the recording track band to form a plurality rows of sub-tracks. The recording cells included in each sub-track are formed apart from each other at a pitch P in the track direction. Nearest neighboring two recording cells, each positioned on adjacent two sub-tracks in the track band, are formed apart from each other at a pitch P/n in the track direction, where 2?n?5.