Patent application number | Description | Published |
20090155452 | THIN FILM DEPOSITION APPARATUS AND METHOD THEREOF - A thin film deposition apparatus including a substrate mounting error detector, a chamber and a substrate support positioned in the chamber. The substrate support is configured to support a substrate. The substrate mounting error detector includes: a light source configured to provide a light beam to the substrate, such that the substrate reflects the light beam; a collimator configured to selectively pass at least a portion of the light beam reflected by the substrate; and an optical sensor configured to detect the at least a portion of the reflected light beam passed by the collimator. The detector is positioned and oriented to detect substrate position on a lowered support prior to raising the support into contact with an upper cover of a clamshell reactor arrangement. This configuration allows a thin film deposition process only if the substrate is correctly mounted on the substrate support. Thus, abnormal deposition due to a substrate mounting error is prevented in advance. | 06-18-2009 |
20100089320 | PLASMA PROCESSING MEMBER, DEPOSITION APPARATUS INCLUDING THE SAME, AND DEPOSITING METHOD USING THE SAME - A deposition apparatus according to an exemplary embodiment of the present invention includes a plurality of reaction spaces, a plurality of plasma electrodes respectively disposed in the reaction spaces, a first plasma processor connected to at least two plasma electrodes, and a first plasma power source connected to the first plasma processor. The first plasma processor may include a plasma distributor or a plasma splitter. | 04-15-2010 |
20110020545 | LATERAL-FLOW DEPOSITION APPARATUS AND METHOD OF DEPOSITING FILM BY USING THE APPARATUS - A deposition apparatus according to an exemplary embodiment of the present invention is a lateral-flow deposition apparatus in which in which a process gas flows between a surface where a substrate is disposed and the opposite surface, substantially in parallel with the substrate. The lateral-flow deposition apparatus includes: a substrate support that moves up/down and rotates the substrate while supporting the substrate; a reactor cover that defines a reaction chamber by contacting the substrate support; and a substrate support lifter and a substrate support rotator that move the substrate support. | 01-27-2011 |
20140072726 | DEPOSITION APPARATUS AND METHOD OF DEPOSITING THIN FILM USING THE SAME - A deposition apparatus and a method of depositing a thin film using the same are provided. By maintaining pressure of an external chamber between a reaction space and an outer wall slightly lower than pressure of the reaction space by supplying a charge gas to an external chamber of a space between the reaction space and an outer wall, parasitic plasma can be prevented from being generated within the external chamber. When loading or unloading a substrate, a charge gas of the external chamber can be prevented from flowing backward to the reaction space, and by supplying nitrogen gas as a charge gas, even if high plasma power is supplied, parasitic plasma can be effectively prevented from being generated in the external chamber. | 03-13-2014 |
20140109832 | DEPOSITION APPARATUS - In a deposition apparatus, as a plurality of plasma connection terminals that transfer plasma power to a plasma electrode are coupled in parallel to the plasma electrode, resistance caused by the plurality of plasma connection terminals is reduced and a current is distributed such that heat generated in the plurality of plasma connection terminals can be distributed. Therefore, even if high RF power is used, by preventing the plurality of plasma connection terminals from being oxidized, plasma is stably supplied and thus, stability of a deposition apparatus and the accuracy of a process can be enhanced. | 04-24-2014 |
Patent application number | Description | Published |
20090122804 | MEDIA ACCESS CONTROL APPARATUS AND METHOD FOR GUARANTEEING QUALITY OF SERVICE IN WIRELESS LAN - A media access control (MAC) apparatus and corresponding methods for guaranteeing quality-of-service in a wireless local area network (LAN) are presented. The MAC method includes the steps of extracting, performing, determining, a first transmitting step, and a second transmitting step. The extracting step includes extracting a user priority from a frame received from an upper layer and separately storing a voice frame and a non-voice frame according to an access category (AC). The performing step includes independently performing backoff operations for the voice frame and the non-voice frame. The determining step includes determining whether the backoff operations for the voice frame and the non-voice frame have simultaneously ended. The first transmitting step includes transmitting the voice frame having a higher priority first and performing the backoff operation for the non-voice frame if the backoff operations have simultaneously ended. The second transmitting step includes transmitting a frame whose backoff operation ends if the backoff operations have not simultaneously ended. | 05-14-2009 |
20090207825 | MEDIA ACCESS CONTROL APPARATUS AND METHOD FOR GUARANTEEING QUALITY OF SERVICE IN WIRELESS LAN - A media access control (MAC) apparatus and corresponding methods for guaranteeing quality-of-service in a wireless local area network (LAN) are presented. The MAC method includes the steps of extracting, performing, determining, a first transmitting step, and a second transmitting step. The extracting step includes extracting a user priority from a frame received from an upper layer and separately storing a voice frame and a non-voice frame according to an access category (AC). The performing step includes independently performing backoff operations for the voice frame and the non-voice frame. The determining step includes determining whether the backoff operations for the voice frame and the non-voice frame have simultaneously ended. The first transmitting step includes transmitting the voice frame having a higher priority first and performing the backoff operation for the non-voice frame if the backoff operations have simultaneously ended. The second transmitting step includes transmitting a frame whose backoff operation ends if the backoff operations have not simultaneously ended. | 08-20-2009 |
20110122786 | AUDIO CODEC BIT-RATE CONTROL METHOD FOR ASSURING QoS OF VOICE IN WLAN - A method and apparatus for controlling voice quality in WLAN is provided. The codec bit rate of wireless terminals is adjusted by collecting channel state information for determining a channel occupation time of wireless terminals connected to an access point, adjusting the codec bit rate of the wireless terminals based on channel occupancy of the wireless terminals with respect to total channel capacity, which is determined using the channel state information, and transmitting the adjusted codec bit rate to each of the wireless terminals. | 05-26-2011 |
20120213065 | MEDIA ACCESS CONTROL APPARATUS AND METHOD FOR GUARANTEEING QUALITY OF SERVICE IN WIRELESS LAN - A media access control (MAC) apparatus and corresponding methods for guaranteeing quality-of-service in a wireless local area network (LAN) are presented. The MAC method includes extracting, performing, determining, a first transmitting step, and a second transmitting step. The extracting includes extracting a user priority from a frame received from an upper layer and separately storing a voice frame and a non-voice frame according to an access category (AC). The performing includes independently performing backoff operations for the voice frame and the non-voice frame. The determining includes determining whether the backoff operations for the voice frame and the non-voice frame have simultaneously ended. The first transmitting includes transmitting the voice frame having a higher priority first and performing the backoff operation for the non-voice frame if the backoff operations have simultaneously ended. The second transmitting includes transmitting a frame whose backoff operation ends if the backoff operations have not simultaneously ended. | 08-23-2012 |
Patent application number | Description | Published |
20110047397 | POWER GATING DEVICE - A power gating device may include a control unit that generates a first interrupt signal based on a mode change signal when a mode of a system is changed from a normal operation mode to a stand-by mode, and generates a second interrupt signal based on the mode change signal when the mode is changed from the stand-by mode to the normal operation mode, a memory unit that stores data of a function block based on the first interrupt signal, and restores the stored data to the function block based on the second interrupt signal, and a power source unit that provides a normal operation power to the function block and the memory unit based on a power down signal in the normal operation mode, and provides a stand-by power to the memory unit based on the power down signal in the stand-by mode. | 02-24-2011 |
20110063945 | APPARATUS AND METHOD FOR PROCESSING AN ULTRASOUND SPECTRUM IMAGE - There is provided a method of processing an ultrasound spectrum image. According to such method, a spectrum image is formed based on ultrasound data and then the noise is removed from the spectrum image. The noise-removed spectrum image is matched with one or more spectrum models representing specific spectrum types. Then, whether or not the noise-removed spectrum image contains an aliasing is checked. If the noise-removed spectrum image contains the aliasing, then the aliasing is removed from the noise-removed spectrum image to provide a noise-removed spectrum image without the aliasing. Thereafter, contour tracing is performed on the noise-removed spectrum image without the aliasing to detect contour points. Further, peak tracing is performed on the noise-removed spectrum image without the aliasing to detect peaks. | 03-17-2011 |
20130222049 | METHODS OF CONTROLLING STANDBY MODE BODY BIASING AND SEMICONDUCTOR DEVICES USING THE METHODS - A semiconductor device includes a semiconductor element; a body bias controller configured to generate a standby mode body bias control signal in a standby mode; and a body bias voltage generator configured to receive the standby mode body bias control signal from the body bias controller, generate a standby mode body bias voltage, and apply the standby mode body bias voltage to a body of the semiconductor element. The semiconductor device is capable of retaining data stored in a semiconductor element and blocking leakage current in the standby mode by controlling a body bias voltage, thereby increasing the integration degree of the semiconductor device. | 08-29-2013 |
Patent application number | Description | Published |
20110316524 | APPARATUS FOR DIAGNOSING DC-DC CONVERTER AND METHOD THEREOF - A diagnosis device and method of a voltage transformer can include a current transformer disposed at one side of an output port for generating a current variation according to an on/off operation of a power switch element; a first current detector configured to detect a forward direction current from the current transformer; a second current detector configured to detect a reverse direction current from the current transformer; a first voltage transformer configured to transform the forward direction current detected from the first current detector to a forward direction voltage; a second voltage transformer configured to transform the reverse direction current detected from the second current detector to a reverse direction voltage; and a diagnosis portion for comparing the forward direction voltage with the reverse direction voltage to determine whether or not an offset is formed. | 12-29-2011 |
20120292989 | CONTROL OF A CONVERTER FOR AN ELECTRIC VEHICLE - Control of a converter for an electric vehicle may control the converter of the electric vehicle where the converter is adapted to drop voltage and a counting unit is adapted to count a signal generated by the converter. The control includes inputting a signal generated by the converter to the counting unit during operation of the converter; counting the signal by the counting unit; determining whether a counting result of the counting unit corresponds to a predetermined interval; and deciding that the converter is out-of-order in a case that the counting result does not correspond to the predetermined interval. | 11-22-2012 |
20140188315 | SYSTEM AND METHOD OF DETECTING FUSE DISCONNECTION OF DC-DC CONVERTER - A system and method that compares an input voltage value through the input terminal of the LDC with a setting voltage in an ignition on-state and an on-state of a main relay for connection of a high-voltage battery Then a verification is made whether the main relay is in the on-state and whether the voltage of an input capacitor in an inverter is in a normal voltage range. As a result a diagnosis is made whether the disconnection of the input fuse has occurred in a low-voltage state when the input voltage is no more than the setting voltage and the on-state of the main relay and the state in which the voltage of the input capacitor in the inverter is in the normal voltage range. | 07-03-2014 |
20140222266 | INTEGRATED ELECTRONIC POWER CONTROL UNIT OF ENVIRONMENTALLY-FRIENDLY VEHICLE - An integrated electronic power control unit of an environmentally-friendly vehicle that may reduce costs and enhance structure and space utilization by integrally configuring at least two or more electronic power control units (EPCUs) disposed within the environmentally-friendly vehicle. The integrated electronic power control unit (EPCU) includes a plurality of EPCUs such as a motor control unit (MCU), a low voltage DC-DC converter (LDC), or a hybrid control unit (HCU), wherein at least one or more components of the plurality of EPCUs are integrated. In addition, the integrated electronic power control unit includes a hardware failure management unit (HFM) that is configured to detect and manage a failure of hardware including the at least one or more integrated components. | 08-07-2014 |
20150063417 | TEMPERATURE SENSING CIRCUIT FOR IGBT MODULE - A temperature sensing circuit for an insulated gate bipolar transistor (IGBT) module, which enables a temperature of the IGBT module to be sensed by a pulse width modulation (PWM) method, using a photo coupler, etc., is provided. In the temperature sensing circuit for the IGBT module, a voltage value between both terminals of a diode is measured, the measured voltage value is converted into a digital signal, using a pulse width modulation (PWM) technique, and the converted digital signal is easily transmitted to a controller such as a microcomputer (MICOM), using a photo coupler for electrical insulation, so that it is possible to analyze the duty of the digital signal, thereby sensing an accurate temperature. | 03-05-2015 |
20150070078 | CIRCUIT AND METHOD FOR CONDUCTING SOFT TURN-OFF OF A DRIVING CIRCUIT OF SEMICONDUCTOR SWITCHING DEVICE - A circuit for conducting soft turn-off includes a semiconductor switching device, a resistor and a sink pin. The second semiconductor switching device has a current inflow terminal connected to a current control terminal of a first semiconductor switching device, and a current outflow terminal connected to a ground. The resistor has a first terminal connected to the current inflow terminal of the second semiconductor switching device, and a second terminal connected to a current control terminal of the first semiconductor switching device. The sink pin applies a value lower than a previous applied value (i.e., a low value) to the current control terminal of the second semiconductor switching device. | 03-12-2015 |