Abstract:
PURPOSE: An apparatus for generating plasma and a method thereof are provided to supply a small vacuum chamber using atmospheric pressure plasma by using metal tunneling of an electronic beam. CONSTITUTION: An apparatus for generating plasma includes a vacuum container(110) and an electron emission unit(120) generating electronics inside the vacuum container. The apparatus for generating plasma includes an acceleration part(130) accelerating an emitted electronics in the electron emission unit inside the vacuum container and a metal foil(140) tunneling accelerated electronics. The electronics tunneling the metal foil forms plasma outside the vacuum container. The vacuum container is able to be formed into metal or a dielectric.
Abstract:
PURPOSE: A device and a method for measuring an alternating current signal and a recording medium thereof are provided to obtain direct current value by accurately measuring the waveform of an alternating current signal. CONSTITUTION: An alternating current generating source(100) generates an alternating current signal to measured. A reference direct current generating source(200) is electrically connected to the alternating current generating source and generates a reference direct current signal. A direct current converter(300) generates a synchronizing signal and a trigger signal. A digital-analog converter varies the reference location of the reference direct current signal. A control unit(400) produces effective value of an obtained alternating current signal waveform.
Abstract:
PURPOSE: An optical detector, and a sample analysis system and method using the same are provided to expand a solid angle by including a window and a micro-channel plate as a wafer shape. CONSTITUTION: A window(60) is composed of SrF2 which transmits light and emits transmission light. The transmission light is entered on a micro-channel plate. The micro-channel plate emits a secondary electron of a pulse shape. A detection means(90) detects the secondary electron of the pulse shape emitted from the micro-channel plate. A voltage applying part(80) applies voltage to the micro-channel plate and accelerates the secondary electron. A coating layer is included in one side of the micro-channel plate and induces the emission of the secondary electron.
Abstract:
PURPOSE: An apparatus for measuring current and power using magnetic field is provided to accurately measure the current supplied to the load side. CONSTITUTION: A housing(110) holds a magnetic field shielding unit(150) which is formed by wrapping a coil(120), a magnetic field sensor(130), a temperature sensor(140), and a pair of coil voltage measuring terminals with an electromagnetic wave shielding agent. The magnetic field shielding unit shields external magnetic field affecting the coil. A measurement controlling unit(160) converts the change of magnetic field inside the coil detected by the magnetic sensor to the current provided to the load side while the current is provided to the load side The measurement controlling unit displays a converted current on a display unit by compensating the current according to the temperature change inside the coil.
Abstract:
PURPOSE: An inductor evaluation system with a current comparator and evaluating method using the same are provided to accurately evaluate an inductor by applying the rated voltage and the rated current of the inductor with a 60Hz power. CONSTITUTION: An inductor evaluation system with a current comparator includes a reference current transformer(120) and a measurement current transformer(130). A current, which is identical to an applied current to the first side of the reference current transformer, is applied to the first side of the measurement current transformer. A load(125) is serially connected to the second side of the reference current transformer. A resistive unit(140) is parallelly connected to the second side of the measurement current transformer. An inductor(150), which is serially connected to the measurement current transformer, is evaluated with the current comparator.
Abstract:
A metal conductivity measurement electrode and a temperature controller using van der pauw are provided to precisely estimate various metal conductivities by implementing a temperature control device to control temperature within a measurement chamber. A temperature chamber(100) includes a temperature control unit, which generates cool and hot air in order to reach a predetermined temperature condition. Plural test jigs are freely moved between a test piece and the corner of a support plate(30) within the temperature chamber, and fixed on the support plate according to the size of the test piece. Plural test piece measuring units are formed on the test jigs, and contacted to the test piece in order to measure voltage from the corner of the test piece. A test piece height control unit controls the height of the test piece according to the thickness of the test piece.
Abstract:
본 발명은 정전기 부양 결정 성장 장치 및 정전기 부양 결정 성장 방법을 제공한다. 이 정전기 부양 결정 성장 장치는 상부 전극; 상기 상부 전극과 수직으로 이격되어 배치된 하부 전극; 상기 상부 전극과 상기 하부 전극 사이에 수직 정전기장을 인가하는 전원부; 및 상기 상부 전극과 상기 하부 전극 사이에 용액을 방출하여 용액 방울(solution droplet)을 형성하는 방울 디스펜서(droplet dispenser)를 포함한다. 상기 용액 방울은 하전 상태(cahrged state)로 유지되고 중력에 반하여 상기 수직 정전기장에 의하여 정전기 부양된다. 상기 용액 방울은 상기 정전기 부양된 상태에서 증발하고, 상기 용액에 용해된 용질은 결정으로 성장한다.
Abstract:
본 발명은 휴대용 열전 충전장치 및 그 제조방법에 관한 것이다. 본 발명의 일예와 관련된 열전 충전장치는 열에너지를 전기 에너지로 변환하는 열전부; 및 상기 열전부의 일측에 위치하고, 상기 열전부와 전기적으로 연결되어 상기 전기 에너지를 출력하는 출력부;를 포함하되, 상기 열전부는, 복수의 제 1 열전부재가 증착된 제 1 기판 및 상기 복수의 제 1 열전부재와 열전쌍을 이루는 복수의 제 2 열전부재가 증착된 제 2 기판을 포함하되, 상기 복수의 제 1 열전부재가 증착된 면과 상기 복수의 제 2 열전부재가 증착된 면이 접하도록 상기 제 1 기판과 상기 제 2 기판은 융착되고, 상기 복수의 제 1 열전부재는 상기 제 1 기판의 일단으로부터 타단을 향한 방향으로 증착되고, 상기 복수의 제 2 열전부재는 상기 제 2 기판의 일단으로부터 타단을 향한 방향으로 증착되며, 상기 복수의 제 1 열전부재 및 상기 복수의 제 2 열전부재는, 교대로 직렬 연결되되, 상기 복수의 제 1 열전부재 중 n번째 열전부재의 일단과 n+1번째 열전부재의 타단을 상기 제 2 열전부재가 연결하도록 증착되고, 상기 출력부는, 상기 직렬연결된 제 1 열전부재 및 제 2 열전부재의 일단과 타단에 전기적으로 연결되며, 상기 제 1 기판 및 상기 제 2 기판은 유연성 기판일 수 있다.
Abstract:
PURPOSE: A potential transformer measuring system, an evaluation method using the same, and a recording media are provided to offer an evaluation method by producing an uncalibrated factor and a phase error at the third burden. CONSTITUTION: A primary side of a mobile potential transformer(120) is parallely wired with a high voltage generating source(110). A voltage comparator(140) is serially wired with a secondary side of the mobile potential transformer. A primary side of an industry potential transformer(130) is parallely wired with the high voltage generating source. A secondary side of the industry potential transformer is serially wired with the voltage comparator. A first burden is parallely wired with the secondary side of the industry potential transformer.