Patent application number | Description | Published |
20090078673 | Method of forming a pattern - 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. | 03-26-2009 |
20090135519 | Magnetic recording medium, method and apparatus for manufacturing magnetic recording apparatus - 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. | 05-28-2009 |
20090273858 | SUBSTRATE FOR MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING AND REPRODUCING APPARATUS - 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. | 11-05-2009 |
20110164337 | SUBSTRATE FOR MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING AND REPRODUCING APPARATUS - 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. | 07-07-2011 |
20110255193 | Magnetic recording medium and method of manufacturing the same - 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. | 10-20-2011 |
20130069272 | METHOD OF MANUFACTURING MOLD AND METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM - 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. | 03-21-2013 |
20130075361 | PATTERN FORMING METHOD - 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. | 03-28-2013 |
20130230742 | MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME - 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. | 09-05-2013 |
20130256263 | PATTERN FORMING METHOD AND IMPRINT MOLD MANUFACTURING METHOD - In one embodiment, a pattern forming method includes: forming a functional layer having a functional group to cross-link a first polymer on a substrate; forming a diblock copolymer layer having the first polymer and a second polymer on the functional layer; self-assembling the diblock copolymer layer to form a self-assembled layer, the self-assembled layer having a first domain corresponding to the first polymer, and a plurality of second domains corresponding to the second polymer and surrounded by or interposed in the first domain; cross-linking the first polymer in the self-assembled layer with the functional group in the functional layer to form a bonding layer disposed in the self-assembled layer and bonded to the functional layer; and washing or etching the self-assembled layer to remain the bonding layer. | 10-03-2013 |
20130258523 | MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING/REPRODUCING APPARATUS, AND METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM - A magnetic recording medium of an embodiment includes: a substrate; a nonmagnetic base layer disposed on the substrate; a perpendicular magnetic recording layer disposed on the nonmagnetic base layer, having a hard magnetic recording layer, a nonmagnetic intermediate layer, and a soft magnetic recording layer, and divided into mutually separated plural regions; and a protective layer disposed on the perpendicular magnetic recording layer. The hard magnetic recording layer has an easy magnetization axis directed to a stack direction of the hard magnetic recording layer. The nonmagnetic intermediate layer contains one of C, ZnO, a carbide of Si, Ti, Ta or W, and a nitride of Si, Ti, Ta or W. | 10-03-2013 |
20140030554 | MAGNETIC RECORDING MEDIUM AND METHOD OF FABRICATING THE SAME - In one embodiment, there are provided: a substrate; a data area disposed on the substrate and having a plurality of first magnetic dots arrayed in lines in mutually different first, second, and third directions; and a boundary magnetic part having a plurality of first magnetic portions arrayed in a line in the third direction and each having a length longer than that of the first magnetic dot in the third direction, and a second magnetic dot disposed between the first magnetic portions and disposed on extensions in the first and second directions of the first magnetic dots, and disposed along with the data area on the substrate. | 01-30-2014 |
20140097152 | SELF-ASSEMBLED PATTERN FORMING METHOD - A self-assembled pattern forming method in an embodiment includes: forming a guide pattern on a substrate; forming a layer of a first polymer; filling a first block copolymer; and phase-separating the first block copolymer. The guide pattern includes a first recessed part having a depth T and a diameter D smaller than the depth T, and a second recessed part having a width larger than double of the diameter D. The first block copolymer has the first polymer and a second polymer which are substantially the same in volume fraction. By phase-separating the first block copolymer, a cylinder structure and a lamellar structure are obtained. | 04-10-2014 |
20140106065 | MANUFACTURING METHOD OF MAGNETIC RECORDING MEDIUM - A method for manufacturing a patterned medium of an embodiment includes forming a perpendicular magnetic recording layer on a substrate, forming a mask on the perpendicular magnetic recording layer, milling the perpendicular magnetic recording layer, and depositing a protective layer on the perpendicular magnetic recording layer. The perpendicular magnetic recording layer includes a first element selected from Fe and Co and a second element selected from Pt and Pd, and has a hard magnetic alloy material having an L1 | 04-17-2014 |
20150102008 | MAGNETIC RECORDING MEDIUM AND METHOD OF FABRICATING THE SAME - In one embodiment, there are provided: a substrate; a data area disposed on the substrate and having a plurality of first magnetic dots arrayed in lines in mutually different first, second, and third directions; and a boundary magnetic part having a plurality of first magnetic portions arrayed in a line in the third direction and each having a length longer than that of the first magnetic dot in the third direction, and a second magnetic dot disposed between the first magnetic portions and disposed on extensions in the first and second directions of the first magnetic dots, and disposed along with the data area on the substrate. | 04-16-2015 |
Patent application number | Description | Published |
20080238570 | Spst Switch, Spdt Switch and Mpmt Switch - A single pole single throw switch for controlling propagation of a high frequency signal between an input terminal ( | 10-02-2008 |
20100045348 | OSCILLATOR, TRANSMITTER-RECEIVER AND FREQUENCY SYNTHESIZER - An output terminal | 02-25-2010 |
20110267141 | MULTIPORT AMPLIFIER AND WIRELESS DEVICE USING THE SAME - A multiport amplifier and a wireless device using the same are obtained in which isolation among output terminals is improved, whereby the quality of communication is improved. The multiport amplifier includes an input hybrid, an output hybrid, a plurality of amplifiers and a plurality of gain and phase control circuits that are inserted between the input hybrid and the output hybrid, a plurality of output coupling circuits that are inserted between the output hybrid and a plurality of output terminals so that they receive output extraction signals corresponding to a plurality of output signals, and a feedback circuit including a frequency selection circuit that is inserted between the plurality of output coupling circuits and the plurality of gain and phase control circuits. | 11-03-2011 |
20120128106 | RECEPTION CIRCUIT - A reception circuit is provided which can detect the beginning of data regardless of a preamble or a unique word contained or not in a received signal and regardless of coding systems for received signals. The reception circuit includes a correlation operation portion that performs a correlation operation to generate a correlation signal while sliding one symbol of reference signal in relation to a received signal. The reference signal goes to a high level during a first half symbol period and goes to a low level during a second half symbol period. The reception circuit further includes: a delay portion that outputs a delay signal by delaying the reference signal for a half symbol period in relation to the received signal; and a data beginning timing detection portion that detects a beginning peak timing for the correlation signal as a beginning timing of data contained in the delay signal. | 05-24-2012 |
20120319746 | ARRAY ANTENNA APPARATUS - An array antenna apparatus in which an SN ratio is improved. Antenna elements having transmission modules, respectively, are arranged in plurality, wherein the plurality of transmission modules respectively have transmission signal generators that each output a transmission intermediate frequency signal, local oscillation signal generators that each output a local oscillation signal, and transmission mixers that each mix the transmission intermediate frequency signal and the local oscillation signal with each other, thereby to carry out frequency conversion to a transmission high frequency signal. A reference signal source inputs a reference signal to the transmission signal generators and the local oscillation signal generators. The transmission intermediate frequency signal and the local oscillation signal are synchronized with each other by the reference signal. | 12-20-2012 |
20120326781 | TRANSMISSION MODULE AND PHASED ARRAY ANTENNA APPARATUS - A transmission module including a power supply voltage control unit that sets a power supply voltage to the high frequency amplifier in a variable manner, and a control circuit that controls an amplitude control unit, a phase control unit and the power supply voltage control unit. The control circuit and the power supply voltage control unit control the power supply voltage in accordance with an output power of the high frequency amplifier. The transmission module can carry out not only phase control but also amplitude control in a continuous manner, while suppressing amplitude and phase variation, and a high frequency amplifier in the transmission module is made highly efficient. In addition, a large directional gain, a low side lobe level and a low power consumption are achieved, as a phased array antenna apparatus using a transmission module. | 12-27-2012 |
20130214836 | FREQUENCY SYNTHESIZER - A phase difference detecting circuit | 08-22-2013 |
20140103996 | FRONT-END AMPLIFIER - A front-end amplifier has an impedance detector that detects an impedance seen looking into an antenna side from a power amplifier from a radio-frequency signal output from the power amplifier and a radio-frequency signal reflected from the antenna, in which a control circuit decides on whether the impedance detected by the impedance detector belongs to a specific region or not, and controls, if the impedance belongs to the specific region, at least one of the bias condition of the power amplifier and the impedance of a variable-matching circuit. | 04-17-2014 |
20140232467 | HIGH-FREQUENCY AMPLIFIER MODULE AND HIGH-FREQUENCY AMPLIFIER MODULE UNIT - A high-frequency amplifier module includes a driver-stage amplifier | 08-21-2014 |
20140300420 | ANALOG FEEDBACK AMPLIFIER - An analog feedback amplifier is capable of suppressing extraneous phase fluctuations and broadening a bandwidth by preventing effects of a group delay element by using an amplitude regulator | 10-09-2014 |
20150048887 | AMPLIFIER CIRCUIT - An amplifier circuit is configured in such a manner that the withstand voltage between the terminals of a FET | 02-19-2015 |
20150207476 | ANALOG FEEDBACK AMPLIFIER - A comparator | 07-23-2015 |
Patent application number | Description | Published |
20080222366 | MEMORY SHARING SYSTEM - A memory-use-information memory area stores therein a program ID, a request-source memory address, a request memory size which configure information for uniquely identifying a program file loaded into a storage area for virtual machine-A or storage area for virtual machine-B in association with a physical memory address. A memory reservation section uses, as the retrieval key, the program ID, request-source memory address, and request memory size of a program file corresponding to a memory reservation request to retrieval the memory-use-information memory area. When a entry that matches said retrieval key exists, the memory reservation section allows sharing of the memory area between a plurality of virtual machines. | 09-11-2008 |
20090055840 | ACCESS RIGHT CHECKING SYSTEM, ACCESS RIGHT CHECKING METHOD, AND ACCESS RIGHT CHECKING PROGRAM - A first problem is that information on a subject executed on a requestor OS cannot be referred to from a request destination OS. A second problem is that an access right check cannot be conducted on the requestor OS based on the information on the subject executed on the requestor OS. When the subject that is an access main body on the requestor OS issues an access request to access an object that is an access target on the request destination OS, the access right check is conducted according to the right of the subject executed on the requestor OS by acquiring the subject information on the subject from the request destination OS, by adding the subject information to the access request, or by notifying the request destination OS of subject information after switching when switching of the executed subject occurs on the requestor OS. | 02-26-2009 |
20100106479 | CPU EMULATION SYSTEM, CPU EMULATION METHOD, AND RECORDING MEDIUM HAVING A CPU EMULATION PROGRAM RECORDED THEREON - A CPU emulation system includes; a plurality of virtual CPUs each operating on a different physical CPU; an instruction sequence selecting section for selecting an instruction sequence to be optimized; a virtual CPU selecting section for selecting one of the plurality of virtual CPUs, which is to perform optimization processing of the selected instruction sequence, based on usage rates of the plurality of virtual CPUs; and an optimization level selecting section for determining an optimization level of the optimization processing that is to be executed by the selected one of the plurality of virtual CPUs, and giving a direction to perform the optimization processing to the selected one of the plurality of virtual CPUs. | 04-29-2010 |
20110317701 | Communication system, control device, processing rule setting method, packet transmission method, and program - A communication system comprises control devices, and forwarding nodes each includes packet processing unit that performs processing of a received packet based on a processing rule set in advance or received from control device associated with the node. First control device among the control devices, in response to a predetermined trigger, refers to correspondence between forwarding nodes and control devices, and transmits, among forwarding path information, at least forwarding path information that includes a forwarding node associated with the first control device, to second control device associated with a forwarding node that is not associated with first control device, among forwarding nodes on a forwarding path of the received packet. Second control device generates and sends the processing rule to a forwarding node on the forwarding path, among forwarding nodes associated with the second control device, based on the forwarding path information. | 12-29-2011 |
20120017070 | COMPILE SYSTEM, COMPILE METHOD, AND STORAGE MEDIUM STORING COMPILE PROGRAM - To provide a compile system, a compile method, and a compile program capable of improving the execution speed of a program. A compile system according to the present invention includes a primary arithmetic unit | 01-19-2012 |
20120170477 | Computer, communication system, network connection switching method, and program - A computer comprises: a virtual network interface device; a first virtual switch connected to a first physical network interface device; a second virtual switch connected to a second physical network interface device; a communication analysis unit (or path control unit) that, based on a result of communication with a packet transmission destination obtained by analyzing a packet transmitted from the virtual network interface device, selects to which of the first virtual switch and the second virtual switch the virtual network interface device is to be connected; and a connection setting unit that holds a connection between the virtual switch selected by the communication analysis unit (or path control unit) and the virtual network interface device. | 07-05-2012 |
20130132062 | CPU EMULATION SYSTEM, CPU EMULATION METHOD, AND RECORDING MEDIUM HAVING A CPU EMULATION PROGRAM RECORDED THEREON - A CPU emulation system includes; a plurality of virtual CPUs each operating on a different physical CPU; an instruction sequence selecting section for selecting an instruction sequence to be optimized; a virtual CPU selecting section for selecting one of the plurality of virtual CPUs, which is to perform optimization processing of the selected instruction sequence, based on usage rates of the plurality of virtual CPUs; and an optimization level selecting section for determining an optimization level of the optimization processing that is to be executed by the selected one of the plurality of virtual CPUs, and giving a direction to perform the optimization processing to the selected one of the plurality of virtual CPUs. | 05-23-2013 |
20130311425 | DATABASE UPDATE NOTIFICATION METHOD - An information processing device includes an access requesting unit, an access type determination unit, a notified party information acquisition unit, and a notifying unit. The information processing device is able to access a notified party information storage unit that stores information of a notified party in association with location information of particular data stored in a database server. The access type determination unit determines whether or not an access request issued by the access requesting unit is an access request relating to updating. If the issued access request is an access request relating to updating, the notified party information acquisition unit acquires information of a notified party corresponding to location information of data to be updated by the access request, from the notified party information storage unit. The notifying unit gives notice to a notified party specified in the acquired information of the notified party. | 11-21-2013 |
20150049764 | Distributed Storage System, Control Apparatus, Client Terminal, Load Balancing Method and Program - A distributed storage system includes: a plurality of servers that store data that is associated with key information, respectively; a packet forwarding apparatus that, on receipt of a new packet that contains the key information and is addressed to one of the plurality of servers, requests a control apparatus to decide a forwarding destination from among the plurality of servers; and the control apparatus. The control apparatus includes: a forwarding destination selection section that decides a forwarding destination of the packet based on key information in a header part of the packet; and an entry setting section that sets, in a packet forwarding apparatus(es) on a path to the forwarding destination, a flow entry for forwarding a subsequent packet(s) with same key information to the forwarding destination. The packet forwarding apparatus(es) forwards a packet(s) with the same key information to the forwarding destination using the set flow entry. | 02-19-2015 |