Patent application number | Description | Published |
20130207499 | ROTOR ASSEMBLY FOR MOTOR AND SPINDLE MOTOR INCLUDING THE SAME - There are provided a rotor assembly for a motor and a spindle motor including the same. The rotor assembly includes: a rotor case including a rotor hub fixed to a shaft, a rotor extension part extended from the rotor hub in an outer radial direction, and a magnet coupling part extended from the rotor extension part in a downward axial direction; and a magnet provided on an inner surface of the magnet coupling part, wherein a thickness of the magnet in a radial direction may correspond to 8.5 to 20% of a distance from a center of rotation of the rotor case to an edge of the rotor case in the outer radial direction. | 08-15-2013 |
20130207869 | SIDE-FACE RADIATION ANTENNA AND WIRELESS COMMUNICATION MODULE - Disclosed herein are a side-face radiation antenna and a wireless communication module. According to an embodiment of the present invention, there is provided the side-face radiation antenna including a via patch part formed at a side portion of a module substrate including laminated substrates to perform a side-face radiation, and formed by metal filled in a plurality of vias arranged at a predetermined interval in the side portion and connected, and a feed line part inserted between intermediate layers of the module substrate, and connected to the via at a center portion of the via patch part. In addition, there is provided the wireless communication module including the side-face radiation antenna. | 08-15-2013 |
20130208050 | INKJET PRINT HEAD - There is provided an inkjet print head including: an ink discharging unit including a plurality of actuators; a connection substrate disposed on the ink discharging unit and having a first circuit pattern electrically connected to the plurality of actuators; and a switching board having a second circuit pattern connected to the first circuit pattern and including a plurality of driving integrated chips (ICs) controlling the plurality of actuators. | 08-15-2013 |
20130208400 | CHIP TYPE LAMINATED CAPACITOR - There is provided a chip type laminated capacitor, including: a ceramic body including a dielectric layer having a thickness equal to 10 or more times an average particle diameter of a grain included therein and being 3 □m or less; first and second outer electrodes formed on both ends of the ceramic body in a length direction; first and second band parts formed to extend inwardly of the ceramic body in the length direction on a length-width (L-W) plane from the first and second outer electrodes and having different lengths; and third and fourth band parts formed to extend inwardly of the ceramic body in the length direction on a length-thickness (L-T) plane from the first and second outer electrodes and having different lengths. | 08-15-2013 |
20130213695 | METHOD OF MANUFACTURING FLYING TAIL TYPE RIGID-FLEXIBLE PRINTED CIRCUIT BOARD AND FLYING TAIL TYPE RIGID-FLEXIBLE PRINTED CIRCUIT BOARD MANUFACTURED BY THE SAME - The present invention relates to a method of manufacturing a flying tail type rigid-flexible printed circuit board and a flying tail type rigid-flexible printed circuit board manufactured by the same and implement a flying tail type rigid-flexible printed circuit board with improved filling property by providing a method of manufacturing a flying tail type rigid-flexible printed circuit board including: providing a base substrate having a first inner circuit pattern layer on both surfaces; laminating a first insulating layer on a rigid domain R of the base substrate; laminating at least one circuit layer, which extends over the entire domain of the base substrate, on the first insulating layer; and removing a portion of the circuit layer, which corresponds to a flexible domain F, wherein the circuit layer includes a second insulating layer and a flying tail type rigid-flexible printed circuit board manufactured by the same. | 08-22-2013 |
20130214889 | MULTILAYER TYPE INDUCTOR AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are a multilayer type inductor and a method of manufacturing the same. The multilayer type inductor includes a multilayer body in which a plurality of sheets having internal electrodes formed thereon are bonded to each other, and each of the internal electrodes is connected to each other through a via to form a coil; and a pair of external electrode terminals each formed at the both ends of the multilayer body and connected to one ends of the internal electrodes at the uppermost layer and the lowermost layer, wherein in the plurality of the sheets configuring the multilayer body, a first sheet and a second sheet made of different materials are alternately multi-layered, thereby increasing reliability and productivity of the product. | 08-22-2013 |
20130215917 | LASER SCANNING DEVICE AND LASER SCANNING METHOD - Disclosed herein is a laser scanning device including: a laser emitting unit that emits a laser beam; a first optical unit that condenses the laser beam; a second optical unit that transmits the laser beam passing through the beam extending unit; and a third optical unit that scans the laser beam passing through the second optical unit to a measure object. | 08-22-2013 |
20130216697 | METHOD OF MANUFACTURING INSULATING FILM STRUCTURE - A method of manufacturing an insulating film structure, including: forming a release layer on one side of a carrier film layer; forming a surface-treated layer formed on the other side of the carrier film layer; and casting an insulating film on the carrier film layer with the release layer formed thereon. | 08-22-2013 |
20130217181 | METHOD OF MANUFACTURING SEMICONDUCTOR PACKAGE - A method of manufacturing a semiconductor package, the method including: disposing a plurality of semiconductor chips; forming a sealing part sealing the plurality of semiconductor chips; forming a substrate part on at least one surface of the sealing part; and forming an antenna part on the sealing part or the substrate part. | 08-22-2013 |
20130220535 | METHOD OF MANUFACTURING RIGID-FLEXIBLE PRINTED CIRCUIT BOARD - The present invention relates to a method of manufacturing a rigid-flexible printed circuit board including: providing a first flexible film having a first metal layer on one or both surfaces; forming a circuit pattern by patterning the first metal layer; forming a second flexible film, which has a second metal layer on one surface, on one or both surfaces of the first flexible film; forming a circuit pattern by patterning the second metal layer in a rigid domain R; providing an anti-oxidation protective layer on the second metal layer in a flexible domain F; laminating at least one circuit layer on the second flexible film; and removing the circuit layer in the flexible domain F. | 08-29-2013 |
20130221882 | MOTOR DRIVING CIRCUIT, MOTOR DRIVING APPARATUS HAVING THE SAME, AND MOTOR DRIVING METHOD - Disclosed herein is a motor driving circuit including: a duty ratio detection unit that detects a duty ratio of input pulse-width-modulation applied to control a speed of a motor; a speed detection unit that detects the speed of the motor; and a driving control unit that detects a targeted speed corresponding to the duty ratio of the input pulse-width-modulation by using relationship data between the duty ratio of the input pulse-width-modulation and the targeted speed that are previously stored and controls a driving of the motor so that the speed of the motor is equal to the targeted speed. By this configuration, a speed of the motor can be accurately controlled. | 08-29-2013 |
20130221883 | MOTOR DRIVING CIRCUIT, MOTOR DRIVING APPARATUS HAVING THE SAME, AND MOTOR DRIVING METHOD - Disclosed herein is a motor driving circuit including: a duty ratio detection unit that detects a duty ratio of input pulse-width-modulation applied to control a speed of a motor; and a driving control unit that detects an output duty ratio corresponding to the duty ratio of the input pulse-width-modulation by using relationship data between the duty ratio of the input pulse-width-modulation and an output duty ratio that are previously stored and controls a duty ratio of a driving signal applied to the motor according to the output duty ratio. By this configuration, a speed of the motor can be accurately controlled. | 08-29-2013 |
20130221889 | MULTI-PHASE SWITCHED RELUCTANCE MOTOR APPARATUS AND CONTROL METHOD THEREOF - Disclosed herein is a multi-phase switched reluctance motor apparatus including: a multi-phase switched reluctance motor; a position sensing sensor provided at one side of the multi-phase switched reluctance motor; and a controller connected to the multi-phase switched reluctance motor and the position sensing sensor and controlling power in a multi-phase excitation scheme according to a detection angle of the position sensing sensor to supply the power to the multi-phase switched reluctance motor. The multi-phase switched reluctance motor may generate a reluctance torque while reducing torque pulsation, noise, and vibration. | 08-29-2013 |
20130222193 | METHOD OF MANUFACTURING CASE FOR MOBILE COMMUNICATIONS TERMINAL, CASE FOR MOBILE COMMUNICATIONS TERMINAL AND MOBILE COMMUNICATIONS TERMINAL HAVING THE SAME - A method of manufacturing a case for a mobile communications terminal, includes disposing an antenna pattern inside a mold having a shape of a case for a mobile communications terminal, the mold including one or more magnets, and injecting a molding material into the mold and molding a case for a mobile communications terminal in which the antenna pattern is embedded. The antenna pattern is fixed by a magnetic force of the one or more magnets formed within the mold, and prevented from being deformed or moved while the molding material is injected. | 08-29-2013 |
20130256023 | PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a printed circuit board, including: a base substrate having an outer layer circuit; an insulating layer formed partially on the base substrate; and a circuit layer formed on the insulating layer. | 10-03-2013 |
20130314843 | MULTILAYER CERAMIC ELECTRONIC PART AND METHOD OF MANUFACTURING THE SAME - There is provided a multilayer ceramic electronic part, including: a ceramic element having a plurality of dielectric layers laminated therein; a plurality of first and second internal electrodes each formed on at least one surface of each of the plurality of dielectric layers within the ceramic element, the first and second internal electrodes respectively including first and second lead parts extended therefrom to be exposed through one surface of the ceramic element; and first and second external electrodes formed on one surface of the ceramic element, and electrically connected to the first and second internal electrodes through exposed portions of the first and second lead parts, respectively, wherein a ratio of a width of the first or second lead part to a width of the first or second external electrode is | 11-28-2013 |
20140118859 | SPINDLE MOTOR AND HARD DISK DRIVE INCLUDING THE SAME - There are provided a spindle motor and a hard disk drive including the same. The spindle motor includes a shaft fixedly installed on a base member and including an upper thrust member, a sleeve rotatably supported by the shaft, a hub extended from the sleeve in an outer diameter direction, and a sealing cap mounted on the hub, wherein the upper thrust member and the sleeve or the hub include a liquid-vapor interface formed therebetween, wherein a gap between facing surfaces of the sealing cap and the upper thrust member in the axial direction is narrow enough to form a labyrinth seal, and wherein the sealing cap includes a curved part curved so that a gap between the sealing cap and the upper thrust member at a portion of the sealing cap facing the upper thrust member in the axial direction is varied in a radial direction. | 05-01-2014 |
20140118956 | ALL-IN-ONE POWER SEMICONDUCTOR MODULE - Disclosed herein is an all-in-one power semiconductor module including a plurality of first semiconductor devices formed on a substrate; a housing molded and formed to include bridges formed across upper portions of the plurality of first semiconductor devices; and a plurality of lead members integrally formed with the housing and electrically connecting the plurality of first semiconductor devices and the substrate. | 05-01-2014 |
20140132209 | CHARGING APPARATUS AND WIRELESS CHARGING APPARATUS - There is provided a charging apparatus and a wireless charging apparatus that facilitate display of a fully charged state using a monochromatic display device. The charging apparatus and the wireless charging apparatus include a power supply unit supplying a charging power, a charging unit supplying the charging power to an external charging target device, a charging control unit controlling a charging state of the charging unit, a display unit that displays the charging state under the control of the charging control unit and, when the charging target device is in a fully charged state, stops an operation of displaying the charging state, and a delay unit that delays stopping the operation of the display unit that displays the charging state, for a previously set period of time, when the charging target device in the fully charged state is recharged. | 05-15-2014 |
20140145776 | HIGH FREQUENCY SWITCH - There is provided a high frequency switch including: a first signal transferring unit including a plurality of first switching devices; a second signal transferring unit including a plurality of second switching devices; a first shunting unit including a plurality of third switching devices; and a second shunting unit including a plurality of fourth switching devices. | 05-29-2014 |
20140152126 | HORIZONTAL LINEAR VIBRATOR - The present invention provides a horizontal linear vibrator which can reduce the thickness but increase vibration strength while at the same time guaranteeing a sufficiently long lifetime and satisfactory responsivity. The horizontal linear vibrator includes a casing, a bracket, a vibration unit and springs. The casing defines an internal space therein. The bracket is disposed under the casing. A cylindrical coil is provided on the bracket. The vibration unit has a magnet, a yoke and a weight. The yoke contains the magnet therein and is open on the lower end thereof. The weight is coupled to the outer surface of the yoke. The springs are coupled to sidewall plates of the casing or the bracket. The springs elastically support the vibration unit to allow the vibration unit to vibrate in the horizontal direction. | 06-05-2014 |
20140176089 | PHASE SHIFT CIRCUIT AND POWER FACTOR CORRECTION CIRCUIT INCLUDING THE SAME - There are provided a phase shift circuit and a power factor correction circuit including the same. The phase shift circuit includes a ramp generation unit charging or discharging a capacitor connected to a switch device to generate a ramp signal, a reference signal generation unit generating a predetermined reference signal from the ramp signal, and a comparison unit comparing the ramp signal with the reference signal to generate a clock signal, wherein at least one of the reference signal generation unit and the comparison unit changes a negative or positive value of offset components included in the reference signal or the ramp signal within every operating period of the switch device. | 06-26-2014 |
20140178793 | SOLID OXIDE FUEL CELL - Disclosed herein is a unit cell including: an internal electrode including a flat upper surface and a lower surface arranged in parallel to face each other and a plurality of internal channels having a flat lower side disposed between the upper surface and the lower surface; an interconnector seated on the upper surface of the internal electrode; an electrolyte laminated on an outer circumferential surface of the internal electrode, except for the interconnector; and an external electrode laminated on an outer circumferential surface of the electrolyte. | 06-26-2014 |
20140178814 | DRY FILM PHOTORESIST HAVING OXYGEN PERMEABLE BARRIER LAYER AND MANUFACTURING METHOD THEREOF - There is provided a dry film photoresist including: a base film having an oxygen permeable barrier layer formed thereon; a photosensitive resin layer formed on the oxygen permeable barrier layer; and a protective film formed on the photosensitive resin layer. According to the present invention, the dry film photoresist includes the oxygen permeable barrier layer formed on the base film to prevent a curing reaction from being deteriorated by oxygen permeation in the dry film photoresist, such that residue that is not peeled off may be decreased, thereby significantly decreasing process defects. | 06-26-2014 |
20140190256 | VIBRATORY GYRO SENSOR SYSTEM - Disclosed herein is a vibratory gyro sensor system, including: a driving unit shifting a signal output from a first sensing element of a gyro sensor by a preset shift phase, amplifying the phase shifted signal to a preset gain, and self-oscillates the amplified signal to generate and feedback a driving signal; an automatic gain control unit converting and amplifying capacitance output from a second sensing element of a gyro sensor into voltage; and a signal detection unit converting and amplifying the capacitance output from the first sensing element and the second sensing element into voltage. | 07-10-2014 |
20140193656 | METHOD OF MANUFACTURING FINE METAL POWDER AND FINE METAL POWDER MANUFACTURED BY USING THE SAME - There are disclosed a method of manufacturing fine metal powder and fine metal powder manufactured by using the same. The method of manufacturing fine metal powder includes forming a pattern having a predetermined size and shape on a base substrate, forming a metal film on the pattern, and separating the metal film from the pattern to obtain individual metal particles having a predetermined size and shape. The fine metal powder manufactured by the method has a uniform shape and a uniform particle size distribution. The fine metal powder is in the form of flakes, having a large ratio of particle diameter to thickness. | 07-10-2014 |