Patent application number | Description | Published |
20150024761 | MOBILE COMMUNICATION SYSTEM, COMMUNICATION SYSTEM, CONTROL NODE, CALL-PROCESSING NODE, AND COMMUNICATION CONTROL METHOD - A mobile communication system includes a plurality of call-processing servers, a call processing management database that holds data necessary for call processing, and a network manager. The network manager comprises a node state recognition unit that recognizes states of the call-processing servers, and a control unit that determines the call-processing node that processes a call processing request based on the states. The call-processing server comprises a call processing request accepting unit that accepts a call processing request, an acquisition unit that acquires information of a mobile communication terminal related to the call processing request from the database, a call processing unit that performs call processing using the acquired information; and a call processing result storage unit that stores information of a result of the call processing in the database. | 01-22-2015 |
20150142958 | CONTROL NODE AND COMMUNICATION CONTROL METHOD - A network manager is included in a mobile communication system including virtual call processing servers realized on any of one or more physical servers in association with an area in which a mobile communication terminal is present, and performing a communication process of the mobile communication terminal. The network manager includes a detection unit that detects processing load of a communication process of each physical server, a node generation unit that generates a virtual call processing server for each area based on the detected processing load of the communication process, and a control unit that performs control to transmit a signal related to the communication process from the mobile communication terminal to the virtual call processing server generated in association with the area in which the mobile communication terminal is present. | 05-21-2015 |
20150156336 | MOBILE COMMUNICATION NETWORK DISTRIBUTION SYSTEM AND MOBILE COMMUNICATION NETWORK DISTRIBUTION METHOD - An object of the invention is to provide a communication service with high utilization efficiency. A mobile communication network distribution system includes: an acquisition unit that acquires condition information; a determination unit that determines a degenerate mobile communication network which provides a function satisfying a functional requirement based on the condition information acquired by the acquisition unit among a plurality of mobile communication networks to be a connection destination mobile communication network which is a connection destination of the UE; and a distribution unit that distributes the connection destination of the mobile communication terminal to the connection destination mobile communication network determined by the determination unit. | 06-04-2015 |
Patent application number | Description | Published |
20090027809 | THIN-FILM MAGNETIC HEAD COMPRISING SHIELD/MAGNETIC-POLE LAYER HAVING SURFACE WITHOUT RIGHT NOR SHARP ANGLE - Provided is a thin-film magnetic head in which the concentration of magnetic flux in the shield layer and the magnetic pole layer is suppressed. The thin-film magnetic head comprises a plurality of magnetic layers that have front surfaces reaching a head end surface on the ABS side. Further in this head, at least one of the plurality of magnetic layers has a shape in which: each of edges corresponding to both side surfaces extends so as to spread obliquely rearward with each other from an end of a straight edge in a track width direction corresponding to the front surface; and the front surface reaching the head end surface has a shape in which upper and lower corner portions in each of both end portions in the track width direction form obtuse angles or rounded shapes. | 01-29-2009 |
20090039056 | PLANARIZING METHOD - Provided is a planarizing method in which a planarization with high flatness can be performed, without being restricted by the distribution of film thickness in the applied resist film. The planarizing method comprises the steps of: forming a resist film on a film to be planarized formed on a substrate; exposing the resist film with the amounts of exposure light in respective sections into which an area in which the film to be planarized is formed is divided, the amounts of exposure light being determined so as to realize film thicknesses to be left for planarization of the resist film in the respective sections; developing the exposed resist film, to form a resist film pattern with a controlled distribution of film thickness; and etching the resist film pattern and the film to be planarized, until eliminating the thickness amounts to be eliminated of the film to be planarized. | 02-12-2009 |
20090170274 | METHOD OF FORMING METAL TRENCH PATTERN IN THIN-FILM DEVICE - A method of forming a metal trench pattern in a thin-film device includes a step of depositing an electrode film on a substrate or on a base layer, a step of forming a resist pattern layer having a trench forming portion used to make a trench pattern, on the deposited electrode film, a step of forming a metal layer for filling spaces in the trench forming portion and for covering the trench forming portion, by performing plating through the formed resist pattern layer using the deposited electrode film as an electrode, a step of planarizing at least a top surface of the formed metal layer until the trench forming portion of the resist pattern layer is at least exposed, and a step of removing the exposed trench forming portion of the resist pattern layer. | 07-02-2009 |
20090284719 | ALIGNMENT METHOD AND APPARATUS OF MASK PATTERN - An alignment method of mask patterns in patterning processes includes forming a first layer by transferring a first mask pattern onto a wafer or a layer formed on the wafer, and forming a second layer by transferring a second mask pattern onto the first layer. The method particularly includes a first alignment step of performing, when forming the first layer, alignment for minimizing offset between a center position of the wafer and a center position of the first mask pattern and a residual rotation error between the wafer and the first mask pattern, and alignment based on an amount of deviation of superposition of the second layer pattern on the first layer pattern. The deviation is caused by linear expansion and contraction of a wafer and caused by an orthogonal error between a wafer and a mask pattern, and also the deviation is obtained by measuring in advance in pattering processes successively performed for a plurality of wafers. The method also includes a second alignment step of performing, when forming the second layer, only alignment for minimizing offset between a center position of the first layer pattern and a center position of the second mask pattern and a residual rotation error between the first layer pattern and the second mask pattern. | 11-19-2009 |
20090294403 | Method of forming mask pattern, method of forming thin film pattern and method of forming magnetoresistive element - In the present invention, provided is a method of forming a mask pattern by which a fine thin film pattern may be formed more easily with higher resolution and precision. In the method of forming a mask pattern, a photoresist pattern having an opening is formed on a substrate, then, an inorganic film is formed so as to cover the upper surface of the photoresist pattern and the inside of the opening, then the inorganic film on the upper surface of the photoresist pattern is removed by a dry etching process. Subsequently, an inorganic mask pattern is formed by removing the photoresist pattern. The inorganic mask pattern thus formed hardly produces an issue of deformation such as physical displacement even when it is heated in the dry etching process. | 12-03-2009 |
20090311424 | METHOD FOR FORMING MICROPATTERN - The micropattern formation of the invention comprises forming a resist pattern, and then forming a carbon-containing film on the surface of the resist pattern, followed by ashing of the carbon-containing film and a portion of the resist surface constituting the resist pattern. Thus, the discharge state of ashing just after the initiation of discharge is so stabilized that the ashing rate distribution can be improved, and sensitive pattern slimming can be implemented with ease and high precision. | 12-17-2009 |
20110090595 | Magnetic head for perpendicular magnetic recording and method of manufacturing same - A main magnetic pole includes a first part extending from a medium facing surface to a point at a predetermined distance from the medium facing surface, and a second part other than the first part. An accommodation part for accommodating the main magnetic pole includes: a first layer having a groove; a second layer lying between the first layer and the main magnetic pole in the first layer's groove; and a third layer interposed in part between the second layer and the main magnetic pole in the first layer's groove. The second layer is formed of a metal material different from a material used to form the first layer. The third layer is formed of an inorganic insulating material. The second and third layers lie between the first layer and the first part. The second layer lies between the bottom of the first layer's groove and the second part, but the third layer does not. The distance between the bottom of the first layer's groove and the second part is smaller than that between the bottom and the first part. | 04-21-2011 |
20110240593 | METHOD OF FORMING MAGNETIC POLE SECTION OF PERPENDICULAR MAGNETIC RECORDING TYPE THIN-FILM MAGNETIC HEAD AND MANUFACTURING METHOD OF PERPENDICULAR MAGNETIC RECORDING TYPE THIN-FILM MAGNETIC HEAD - A method of forming a magnetic pole section of a perpendicular magnetic recording type thin-film magnetic head and a method of manufacturing a perpendicular magnetic recording type thin-film magnetic head that include forming on an under layer a resist pattern having an opening, forming a first nonmagnetic layer, forming a first magnetic layer, forming a magnetic layer pattern, removing the resist pattern and then applying a resist layer onto a first nonmagnetic layer and a magnetic layer pattern, developing or ashing partway the applied resist layer and baking the remaining resist layer, removing the first nonmagnetic layer from at least a side surface of the magnetic layer pattern by etching with the baked resist layer being left, removing all of the resist layer and then forming a second nonmagnetic layer on at least the magnetic layer pattern, and forming a second magnetic layer on the formed second nonmagnetic layer. | 10-06-2011 |
20120026629 | MAGNETIC HEAD, MANUFACTURING METHOD THEREFOR, HEAD ASSEMBLY, AND MAGNETIC RECORDING/REPRODUCING APPARATUS - The present invention relates to a magnetic head, a manufacturing method therefor, a head assembly, and a magnetic recording/reproducing apparatus. According to the present invention, it includes a magnetic pole layer, a non-magnetic layer, a trailing gap layer, and a trailing shield layer. The magnetic pole layer has a pole tip exposed on a magnetic medium-facing surface. The non-magnetic layer is laid on the magnetic pole layer. The trailing shield layer is exposed on the magnetic medium-facing surface and laid over the magnetic pole layer and the non-magnetic layer with the trailing gap layer between. The magnetic pole layer and the non-magnetic layer have a continuous tapered face opposed to a lower side of the trailing shield layer. Moreover, the tapered face extends from a trailing edge of the pole tip at a constant inclination angle. | 02-02-2012 |
20130010390 | THIN FILM MAGNETIC HEAD, THIN FILM MAGNETIC HEAD DEVICE, MAGNETIC RECORDING/REPRODUCING APPARATUS, AND METHOD FOR MANUFACTURING THIN FILM MAGNETIC HEAD - A thin-film magnetic head includes a slider substrate and a write element. The slider substrate has an air bearing surface at one side thereof. The write element has a recording magnetic pole film. The recording magnetic pole film is disposed on a plane crossing the air bearing surface over the slider substrate and has a large-width portion and a small-width portion continuously arranged in the named order toward the air bearing surface. The small-width portion has a smaller width than the large-width portion. Of the large-width portion and the small-width portion, at least the small-width portion has a first portion and a second portion. The second portion is continuous with an upper end of the first portion and has both side faces inclined in such a direction as to increase the width. An external angle of the first portion formed by a plane parallel to a bottom face and the side face is larger than an external angle of the second portion formed by a plane parallel to the bottom face and the side face. | 01-10-2013 |
20130062307 | METHOD OF MAKING A MASK, METHOD OF PATTERNING BY USING THIS MASK AND METHOD OF MANUFACTURING A MICRO-DEVICE - The present invention relates to a method of making a mask for patterning a thin film The method includes a step of forming an inorganic material, which is resolvable into alkali solution, on a substrate; a step of forming the inorganic material in a predetermined pattern; and a step of narrowing the inorganic material with the alkali solution to form the mask. | 03-14-2013 |
Patent application number | Description | Published |
20110242860 | POWER SEMICONDUCTOR DEVICE AND POWER CONVERSION SYSTEM USING THE DEVICE - In some aspects of the invention, a power semiconductor module is applied to a multi-level converter circuit with three or more levels of voltage waveform. A first IGBT, a diode whose cathode is connected to the emitter of the first IGBT, and a second IGBT having reverse blocking voltage whose emitter is connected to the emitter of the first IGBT, are housed in one package, and each of the collector of the first IGBT, the collector of the second IGBT, the connection point of the emitter of the first IGBT and the emitter of the second IGBT, and the anode of the diode, is an external terminal. | 10-06-2011 |
20120044728 | ELECTRIC POWER CONVERTER - In aspects of the invention, first and second series circuits of switching devices and a series circuit of capacitors are connected in parallel. Between the connection point in the first series circuit of switching devices and the connection point in the series circuit of capacitors, a first bidirectional switch is connected and, between the connection point in the second series circuit of switching devices and the connection point in the series circuit of capacitors, a second bidirectional switch is connected. The connection point in the first series circuit of switching devices is connected through a reactor to an input-output common connection line connected to one end of an AC power supply and the other end of the AC power supply is connected to the connection point in the series circuit of capacitors. | 02-23-2012 |
20140098587 | MULTILEVEL CONVERTER CIRCUIT - In some aspects of the invention, a number of semiconductor switches through which output current passes can be reduced between a direct current power source side, which is an input, and an alternating current output, thus achieving loss reduction, and enabling higher efficiency, price reduction, and miniaturization of a device. In some aspects, a direct current power source, formed of a series connection circuit of single power sources, which has three mutually different voltage levels including zero can be provided with first, second, third, and fourth arm pairs, each configured by connecting two arms formed of semiconductor switches in series, an alternating current switch configured by combining semiconductor switches. As such, a plurality of voltage levels can be to be selected from and output by an on and off control of these switch elements. | 04-10-2014 |
Patent application number | Description | Published |
20090002871 | METHOD AND APPARATUS FOR HEAD POSITIONING USING SPIRAL SERVO PATTERNS IN A DISK DRIVE - According to one embodiment, a disk drive having a disk, a read head, a servo controller, and a CPU. In the disk, a multi-spiral servo pattern is recorded. The read head reproduces a hexagon-shaped detection signal from the multi-spiral servo pattern. The servo controller generates amplitudes values for respective frames, from the multi-spiral servo pattern. The CPU performs positional-error calculation by using the amplitude values for the frames. Upon detecting a positional change of the head is detected, the CPU performs the positional-error calculation by using the amplitude values generated at the time of replacing the frames with other frames, and corrects the positional error by adding an offset determined from the positional change of the head, to the result of the positional-error calculation. | 01-01-2009 |
20110317308 | MAGNETIC RECORDING APPARATUS - According to one embodiment, a magnetic recording apparatus includes a magnetic recording medium for perpendicular magnetic recording system, a magnetic head including a read head to read data from the magnetic recording medium, and an actuator to actuate the magnetic head on the magnetic recording medium. The magnetic recording medium includes a first magnetic pattern recorded in a servo area by applying a magnetic field horizontally to a disk surface, and the first magnetic pattern corresponding to positioning data used for positioning the magnetic head. The magnetic recording medium further includes a second magnetic pattern recorded in the servo area by applying a magnetic field perpendicularly to the disk surface, and the second magnetic pattern corresponding to position correction data used for correcting the positioning data. The position correction data is derived from modulated original position correction data. The original position correction data is created for correcting the positioning data. | 12-29-2011 |
Patent application number | Description | Published |
20130183076 | CUTTING DEVICE AND RECORDING APPARATUS - A cutting device includes a cutting blade configured to cut a recording medium; a support unit that supports the cutting blade to be movable in an inclined direction with respect to a surface of the recording medium such that the cutting blade is moved toward the recording medium while moving in a width direction of the recording medium; and a movable unit that causes the cutting blade supported by the support unit to be moved in the inclined direction to cut the recording medium. | 07-18-2013 |
20140145805 | RELAY - A relay includes: a fixed terminal on which a fixed contact is provided; a movable terminal on which a movable contact is provided; a cam that has an elliptical circumference shape, and is rotatable while a portion of the circumference shape is contacting a surface of the movable terminal; and a driving unit that rotates the cam so that respective portions located at one ends of a major axis and a minor axis of the elliptical circumference shape alternately contact the surface of the movable terminal; wherein when the portion located at one end of the major axis of the elliptical circumference shape of the cam contacts the surface of the movable terminal, the movable terminal is deformed elastically so that the movable contact contacts the fixed contact. | 05-29-2014 |
20140192273 | INPUT DEVICE - An input device includes: an operation panel including: a plurality of first conductive patterns that extend in a first direction, and are arranged in a second direction crossing the first direction; and a plurality of second conductive patterns that extend in the second direction, and are arranged in the first direction; an indicator that includes a charge unit charged with electric charges; and a position detection unit that, when the indicator comes close to the operation panel, measures electric potentials by electric charges which arise in the first conductive patterns and the second conductive patterns by the charge unit of the indicator, and detects a position of the indicator based on a measurement result of the electric potentials. | 07-10-2014 |
20140240065 | ELECTROMAGNETIC RELAY - An electromagnetic relay which is provided with an armature, a moving electrode which has a moving plate and a moving contact and a fixed electrode which faces the moving electrode and has a fixed plate and a fixed contact. At least a portion of the moving plate onto which the moving contact is arranged and at least a portion of the fixed plate onto which the fixed contact is arranged are inclined in width direction. | 08-28-2014 |
20150054907 | PRINTER - Provided is a printer capable of enhancing the cutting efficiency of printing paper. A printer, includes a printing unit; a fixed blade; a movable blade provided to be movable relative to the fixed blade, and cut the printing medium with the fixed blade; and a tension mechanism applying a tensional force to the printing medium. The tension mechanism includes a receiving member disposed on the discharge side of the fixed blade; and a pressing member extending from the movable blade toward the discharge side, moving with the movable blade. The pressing member includes a pressing part configured to press the printing medium against the receiving member and move toward the discharge side while holding the printing medium between the pressing part and the receiving member, as the movable blade moves toward the fixed blade. | 02-26-2015 |
20150303015 | ELECTROMAGNETIC RELAY - An electromagnetic relay includes a coil, an armature, an iron core, a card, a first contact, and a second contact. The card is connected to the armature and formed of an insulating material. The first contact and the second contact are in contact when there is no flow of electric current through the coil. The first contact and the second contact are separated with the armature being attracted to the iron core to interpose the card between the first contact and the second contact when there is a flow of electric current through the coil. | 10-22-2015 |
Patent application number | Description | Published |
20090109149 | Image display device - An image display device having a plurality of pixel, a plurality of signal lines for inputting an image voltage to each of the plurality of pixels, and a pixel selecting unit for selecting from the plurality of pixels a pixel into which the image voltage is to be written, in which each of the pixels has a light emitting device of a current driving-type, a driving transistor connected between a power line and the light emitting device, and a capacitance device having one end connected to a gate electrode of the driving transistor, the image voltage is input to the other end of the capacitance device during the writing period, an inclined wave voltage which changes a voltage level thereof according to time is input to the other end of the capacitance device during a light emission period following the writing period. | 04-30-2009 |
20090201267 | Display device having touch panel - The present invention realizes the reduction of cost of a display device having a touch panel. The display device having a touch panel includes a display panel, and a touch panel which is arranged on the display panel in an overlapping manner in plane. The touch panel includes a first substrate and a second substrate which are arranged to face each other with spacers sandwiched therebetween, and a first semiconductor chip which is mounted on the first substrate. The first substrate includes, on a surface side thereof which faces the second substrate, a plurality of first lines which is arranged parallel to each other in the first direction, a first chip mounting region on which the first semiconductor chip is mounted, and a plurality of first connection portions each of which is constituted of a portion of each line in the plurality of first lines, the first semiconductor chip includes a plurality of first bump electrodes which is arranged in one direction, the plurality of first connection portions are arranged in the arrangement direction of the plurality of first bump electrodes within the first-chip mounting region, and an arrangement pitch of the plurality of first bump electrodes is set larger than an arrangement pitch of the plurality of first connection portions. | 08-13-2009 |
20100039454 | DISPLAY DEVICE - In an image display device, each pixel includes a drive transistor for driving a light emitting element, a capacitive element which is connected between a signal line and a control electrode of the drive transistor, and a reset switching element. The reset switching elements of all pixels are turned off within a light emission period, and a PWM signal is supplied to a signal line from a drive circuit. A cycle of the PWM signal in a low brightness display mode is shorter than a cycle of the PWM signal in a standard brightness display mode. Due to such a constitution, the constitution of a drive circuit can be simplified, and it is possible to control light emission brightnesses of respective pixels of red, green and blue over a wide range from high brightness to low brightness while taking a balance among the light emission brightnesses. | 02-18-2010 |
20110234568 | DISPLAY DEVICE - A display device includes: scanning lines for selecting a group of pixels out of pixels; control lines to which a pulse signal is supplied to control selection of at least one of the plurality of scanning lines to which a scanning signal is input; a scanning circuit which includes transistors controlled with the pulse signal, the scanning circuit being connected to the plurality of scanning lines and being disposed outside a display area; and a conductive mesh including conductive wires running in intersecting directions. The conductive mesh is placed above the transistors and the plurality of scanning lines except the display area. Above the plurality of scanning lines, the plurality of conductive wires constituting the conductive mesh intersect each other three-dimensionally in a manner that does not make the plurality of conductive wires parallel to the plurality of scanning lines. | 09-29-2011 |