baber/WOPTO huggingface dataset:
Patent KR-100776578-B1 (KR)
Title: Cover guide apparatus for greenhouse internal plural tunnel
Inventor: LA BYUNG RYEOL
IPC: A01G9/24
Filed: 2006-07-20
Granted: 2007-11-15
Abstract: A tunnel cover guide apparatus for safely guiding a tunnel cover and a take-up roll is provided to prevent the danger of falling and sagging of the take-up roll into a furrow between tunnels of the take-up roll by the weight of the take-up roll. In a tunnel-type greenhouse(1) with a frame(1a), a tunnel cover opening and closing apparatus(10) and a tunnel cover guide apparatus(20), the tunnel cover guide apparatus comprises: a support(21) fixedly installed on the ground between frames of a central tunnel(2); a guide device rotatively installed at the upper of the support to support a take-up roll(17) taken up with a cover(18) and to guide it to a right and left tunnel from the central tunnel while being rotated along the movement direction of the take-up roll; a rotating device for connecting the guide device to the support to be rotated along the movement direction of the take-up roll; a weight(25) connected to the lower of the guide device with wire to guide the taken-up roll to be returned to an initial position while guiding the take-up roll when the cover is taken up on the take-up roll. The guide device contains a roller(23) and a rotating bar(22).
Patent KR-100697935-B1 (KR)
Title: Bucket for Planting in Slope Stabilization Structure
IPC: A01G1/00
Filed: 2006-07-25
Granted: 2007-03-20
Abstract: A bucket for planting on a slope reinforced by shotcrete is provided to construct the eco-friendly slope stably by constructing concrete on the slope and planting grass on the slope. A bucket(100) includes a body(110) recessed and contacted to a surface of a ground, a flange(120) extended outward from an edge of the body, contacted to the ground and provided with a penetration hole in which an anchor is installed, and an inlet part(130) formed by cutting parts of the body and the flange. Plural protruded ribs(140) are formed in the surface of the body to reinforce the body and to space the surface of the body from a tension intensifier. Plural assembling holes(141) are formed in the protruded ribs to combine the bucket with the tension intensifier, and a sleeve(150) is formed in the inlet part to extend the inlet part from the body.
Patent KR-100788745-B1 (KR)
IPC: B08B9/08
Filed: 2006-08-19
Granted: 2007-12-26
Abstract: 본 발명은 각종 주류, 식음료의 액상식품을 담는 유리용기인 신병을 정밀세정과 함께 살균건조를 할 뿐 아니라 회수고병의 세정후처리공정으로서 정밀세정과 함께 살균건조를 할 수 있는 위생처리기능을 가진 유리병 정밀세정시스템을 제공하고자 한다. 
     	본 발명에 따른 위생처리기능을 가진 유리병 정밀세정시스템은 고온, 고압의 과습포화증기를 제조하는 과습포화증기 발생장치(100)와; 상기 과습포화증기를 고속 스트림 상태로 공급받아 유리병 내부에 분사시키는 로터리식 살균세정장치(300)를 포함하되, 상기 과습포화증기 발생장치(100)는, 절대압력 5~7bar의 건포화증기를 제조하는 증기발생기(110)와; 상기 건포화증기를 공급받아 과열건증기를 제조하는 과열기(120)와; 상기 건포화증기와 상기 과열건증기 중 어느 하나에 냉각제를 혼합하여 절대압력 3~5bar를 갖는 과습포화증기를 제조하는 과열억제기(140)를 갖고 있는, 정밀세정, 초고온 순간멸균 및 응축잠열 이용에 따른 건조 효과를 제공한다. 
       
     	유리병, 과습포화증기, 과열억제기, 살균세정장치, 초고온 순간살균, 정밀세정
Patent KR-100829787-B1 (KR)
IPC: G06F11/28
Filed: 2006-08-28
Granted: 2008-05-16
Abstract: 온 다이 터미네이션 테스트에 적합한 반도체 메모리 장치 및 메모리 테스트 시스템이 개시된다. 메모리 테스트 시스템은 반도체 메모리 장치, 결합 회로, 및 테스터를 구비한다. 반도체 메모리 장치는 온 다이 터미네이션 테스트 모드에서, 온 다이 터미네이션 테스트가 수행되지 않는 제 1 온 다이 터미네이션 회로들이 결합된 제 1 출력 노드들을 고 임피던스 상태로 유지하고, 온 다이 터미네이션 테스트가 수행되는 제 2 온 다이 터미네이션 회로들은 테스트 전압들을 발생시키고 상기 테스트 전압들을 상기 제 2 온 다이 터미네이션 회로들이 결합된 제 2 출력 노드들에 제공한다. 결합 회로는 제 1 출력 노드들과 제 2 출력 노드들을 통신 채널들에 결합시킨다. 테스터는 테스터 전압들에 대응하는 통신 채널들의 전압의 로직 상태를 테스트한다.
Patent KR-100754725-B1 (KR)
Title: Head set device
Inventor: KANG HYO SUNG
IPC: H04R1/10
Filed: 2006-08-28
Granted: 2007-09-03
Abstract: A head-set apparatus is provided to enable a user to wear the head-set on a left/right side ear selectively by rotatably coupling a speaker housing with an antenna housing using a hinge device. A head-set apparatus(100) includes an antenna housing(101), a speaker housing(102), a hinge device(200), a cover(115), and a switch button(119). The speaker housing(102) is coupled with one surface of the antenna housing(101) in a state of being protruded. The hinge device(200) rotatably couples the speaker housing(102) with the antenna housing(101). The hinge device(200) rotates in the center of a rotary axis extended in a direction of being protruded from one surface of the antenna housing(101). The cover(115) is attached to the other surface of the antenna housing(101). The switch button(119) is attached to the other surface of the antenna housing(101).
Patent KR-101275558-B1 (KR)
IPC: D06F39/00
Filed: 2006-09-01
Granted: 2013-06-20
Abstract: 본 발명에 따른 전기전자기기의 컨트롤러는 키입력부와 정전용량센서 사이에 설치된 스위치가 상기 키입력부에 밀착되도록 탄성부재가 구비됨으로써, 컨트롤 패널의 형상에 관계없이 키입력부와 정전용량센서사이의 간극 발생이 방지되어, 정전용량 센서의 무감지현상이 방지될 수 있는 효과가 있을 뿐만 아니라, 상기 스위치가 통형상으로 이루어지고, 상기 탄성부재가 원통형의 코일 스프링으로 이루어짐으로써, 인쇄회로기판에 설치된 발광소자의 빛의 발광효율이 증대될 수 있는 효과가 있다.  
       
     컨트롤러, 세탁기, 컨트롤 패널, 인쇄회로기판, 키입력부, 접촉, 정전, 센서, 스위치, 탄성부재, 가이드
Patent KR-100849033-B1 (KR)
IPC: C07C35/16
Filed: 2006-09-07
Granted: 2008-07-29
Abstract: 본 발명은 생체막 투과성이 우수한 분자 수송체 화합물에 관한 것으로, 알디톨 또는 이노시톨 골격구조에 구아니딘기를 도입하여 제조된 본 발명의 분자 수송체 화합물은 적절한 수준의 수용성과 지용성을 갖고 있어서 세포막, 핵막, 또는 혈관-뇌 장벽 (BBB) 등과 같은 생체막 장벽에 대한 투과성이 높아, 특히 상기 혈관-뇌 장벽에 의해 뇌종양 치료에 사용될 수 없었던 독소루비신 (doxorubicin), 파클리탁셀 (Paclitaxel) 등의 항암제를 비롯한 생리활성을 갖는 다양한 종류의 치료용 또는 진단용 의약품을 세포내로 수송하는데 유용하게 사용될 수 있다.  또한, 지방산 또는 아미노산을 추가로 가진 분자 수송체는 핵산과 결합하여 이온결합체로서 세포 또는 핵내로 전달될 수 있고, 리포좀의 표면처리제로 활용될 수 있어서 유전자 전달에 사용될 수 있다.
Patent KR-100765725-B1 (KR)
Title: Air conditioning apparatus using accumulator for automobile
Inventor: LEE WON SUK
IPC: B60H1/32
Filed: 2006-09-12
Granted: 2007-10-12
Abstract: A cold storage air conditioning system for an automobile is provided to enhance efficiency of a driving apparatus of the automobile and extend duration of cold air by storing cold air in a heat exchanger inside an air duct temporarily and utilizing the surplus cold air for cooling operation after a compressor is deactivated. A cold storage air conditioning system for an automobile comprises a compressor(10), an evaporator(40), a refrigeration circuit, a heat exchanger(100), and a thermistor(150). The compressor is connected and operated by a driving device for the automobile. The evaporator is provided with refrigerant being compressed from the compressor and expanded after passing a condenser(20) and an expansion valve(30), and is installed inside an air duct(50). The refrigerant circuit is for the circulation of the refrigerant being heat-exchanged in the evaporator to the compressor. The heat exchanger is disposed between the evaporator and the expansion valve inside the air duct, having an evaporation unit where the refrigerant passes therein and cold air generated by the vaporization of the refrigerant is dissipated, and a cold storage unit having a cold storage material for temporarily storing cold air. The thermistor is disposed inside the air duct, capable of controlling the operation of the compressor by sensing temperature of air passing from the evaporator. The heat exchanger having the cold storage unit is disposed adjacent the evaporator.
Patent KR-100804010-B1 (KR)
Title: Mobile devices for voip communication based on platform and recording medium
Inventor: PARK HEN SUH
IPC: H04L12/66
Filed: 2006-09-13
Granted: 2008-02-18
Abstract: A mobile terminal for platform-based VoIP(Voice over Internet Protocol) communication and a recording medium are provided to allow a platform operating system to provide one or more terminal programs to a mobile terminal located in a hot spot providing system and charge a fee for the providing and the use of the terminal program, to thus make a profit. A voice call unit(1350) connects to a certain broadband communication network by a broadband communication unit and provides a traffic channel for a voice call service. A call channel changing unit(1355) changes the traffic channel for the voice call service to a traffic channel for a VoIP-based voice call service through a local area wireless communication unit. An interrupt unit(1360) interrupts voice call resources corresponding to a sound input unit and a sound output unit used by the voice call unit(1350) when the traffic channel for the voice call service is changed to the traffic channel for the VoIP-based voice call service. A VoIP call unit(1365) provides a VoIP-based voice call service in association with a VoIP gateway through a wireless AP(Access Point) based on the interrupted voice call resources.
Patent KR-100798849-B1 (KR)
IPC: H04L27/26
Filed: 2006-09-14
Granted: 2008-01-28
Abstract: 본 발명은 직교주파수분할다중접속 방식의 이동통신 시스템에서 채널 선택적 스케줄링(scheduling) 장치 및 방법에 관한 것으로, 특히 데이터 전송에 대한 역방향 채널 선택적 스케줄링을 지원하기 위해 단말의 SNR 측정 파일럿 전송을 스케줄링하는 장치 및 방법에 관한 것이다.  
     본 발명의 실시 예에 따른 방법은 직교주파수분할다중접속 방식의 이동통신 시스템의 기지국에서 채널 선택적 스케줄링 방법에 있어서, 단말에게 소정의 파일럿 전송을 요구하는 과정과, 상기 단말로부터 상기 파일럿을 수신하는 과정과, 상기 수신된 파일럿을 이용하여 데이터 전송을 위해서 적어도 하나의 채널을 선택적으로 스케쥴링하는 과정과, 상기 단말에게 상기 스케쥴링된 채널을 통해서 데이터 전송을 요청하는 과정과, 상기 스케쥴링된 채널을 통해서 상기 데이터를 상기 단말로부터 수신하는 과정을 포함함을 특징으로 한다. 
       
     SNR, OFDM, 스케쥴링
Patent KR-100798605-B1 (KR)
Title: Purification method of biodiesel using heterogenous adsorbent in biodiesel producing process from colored crude oi
Inventor: PARK DON HEE
IPC: C10G3/00
Filed: 2006-09-18
Granted: 2008-01-28
Abstract: A bio-diesel purification method using a heterogeneous adsorbent in producing bio-diesel from colored crude oil is provided to remove coloring matter and to produce bio-diesel of high purity by purifying crude bio-diesel through the heterogeneous adsorbent and to reduce the generation amount of waste water and environmental pollution. During a process for purifying bio-diesel from colored crude oil, crude bio-diesel that an excessive quantity of alcohol is removed and glycerin is separated is decolorized by a heterogeneous adsorbent, foreign materials are removed, and the content rate of fatty acid alkylester is increased. The heterogeneous adsorbent of 1~5wt.% is used for the weight of crude bio-diesel. The heterogeneous adsorbent purifies the crude bio-diesel with reacting in a batch reactor or a tubular reactor at the reaction temperature of 30~120deg.C for 0.1~10 hours.
Patent KR-100790475-B1 (KR)
Title: Method and apparatus for data communication using a ac power line
Inventor: NOH SI YUL
IPC: H04B3/54
Filed: 2006-09-22
Granted: 2008-01-02
Abstract: A data communication method using a power line and an apparatus for the same are provided to prevent signals from being unnecessarily propagated to adjacent devices by cutting AC voltage waveforms in the shape of square-wave pulses under a closed circuit condition between a transmitting block and a control part in transmitting and receiving data using a power line. A transmitting block in a data communication apparatus comprises a power supply part(10), a data window detection part(20), a microcomputer(30), a data modulation part(40), a pulse level adjustment part(50), and a detection part(60). The power supply part(10), supplied power from a power line(N), generates DC power. The data window detection part(20) clamps a voltage signal of the power line(N), compares it with a reference voltage, and detects a period to load data. The microcomputer(30) transmits data at a voltage period, based on a signal from the data window detection part(20), and executes data transmission control according to a feedback signal received from a receiving block. The data modulation part(40) loads data, transmitted from the microcomputer(30), on the power signal waveforms of the power line(N) in the form of pulses. The pulse level adjustment part(50) detects the pulse level of the output port of the data modulation part(40), compares it with a preset level, and adjusts the driving voltage of the data modulation part(40) according to the difference voltage, and stably regulates the pulse level of data transmission. The detection part(60) transmits the output of the data modulation part(40) to the power line(N), and feeds reception status information back to the microcomputer(30) by detecting a change of current based on the reception status of a receiving side.
Patent KR-100774657-B1 (KR)
Title: Power train of a hybrid vehicle
Inventor: HWANG KYUNG WON
IPC: B60K17/04
Filed: 2006-10-13
Granted: 2007-11-08
Abstract: A powertrain of a hybrid vehicle is provided to operate a motor at a low speed while supplying a high torque to a transmission by installing an engine clutch between the motor and an engine to regulate the output of the motor, thereby increasing the distance in which the vehicle can be driven only with the motor. A powertrain of a hybrid vehicle comprises a motor(5) installed between an engine(1) and a transmission(3), an engine clutch(7) installed between the motor and the engine, a planetary gear set(9) having a sun gear connected to a rotor of the motor and having a carrier connected to an input shaft(15) of the transmission, a brake(11) capable of fixing a ring gear of the planetary gear set or regulating the rotation of the ring gear, and a contact clutch(13) for connecting or disconnecting the ring gear to the sun gear. The engine clutch is a dry clutch installed between a flywheel of the engine and the rotor of the motor.
Patent KR-100792781-B1 (KR)
Title: Thermoplastic polyphenylene ethers / partially aromatic polyamides resin composition and process for preparing the same
Inventor: HWANG JIN TAEK
IPC: C08L71/12
Filed: 2006-10-18
Granted: 2008-01-11
Abstract: A conductive thermoplastic resin composition based on polyphenylene ether/partial aromatic polyamide is provided to improve moisture resistance, dimensional stability, conductivity and surface properties. A conductive thermoplastic resin composition based on polyphenylene ether/partial aromatic polyamide comprises: 100 parts by weight of a resin blend containing 5-95 w% of a polyphenylene ether resin grafted with an unsaturated carboxylic acid or anhydride thereof and obtained by grafting 0.01-3 parts by weight of reactive monomers comprising an unsaturated carboxylic acid or anhydride thereof to 100 parts by weight of a polyphenylene ether resin in the presence of an organic peroxide, and 5-95 wt% of a partial aromatic polyamide resin obtained by polycondensation of a linear aliphatic diamine with a linear aliphatic dicarboxylic acid and an aromatic dicarboxylic acid (wherein the aromatic dicarboxylic acid is used in an amount of 0.1-10 moles per mole of the linear aliphatic dicarboxylic acid); and 0.1-10 parts by weight of acid-treated carbon nanotubes.
Patent KR-100729701-B1 (KR)
IPC: C07C229/22
Filed: 2006-10-24
Granted: 2007-06-19
Abstract: 본 발명은 (±)2-(디메틸아미노)-1-{[O-(m-메톡시페네틸)페녹시]메틸}에틸 수소 숙시네이트 염산염의 신규한 결정을 제공하는 것이다.   
     본 발명에 따라 분말 X선 회절 스펙트럼에 있어서의 특정한 회절 피크, 시차 주사 열량 측정에 있어서의 특정 흡열 피크, 고체  13 C-NMR 스펙트럼에 있어서의 특정 피크 및 적외 흡수 스펙트럼에 있어서의 특정 피크로부터 선택되는 1종 이상의 물리 화학적 성질에 의해 특징지어지는 (±)2-(디메틸아미노)-1-{[O-(m-메톡시페네틸)페녹시]메틸}에틸 수소 숙시네이트 염산염의 II형 결정 및 I형 결정이 제공된다.   
       
     결정, (±)2-(디메틸아미노)-1-{[O-(m-메톡시페네틸)페녹시]메틸}에틸 수소 숙시네이트 염산염, 분말 X선 회절, 시차 주사 열분석, 적외 흡수 스펙트럼, 화학적 안정성
Patent KR-100689263-B1 (KR)
Title: Drive apparatus operated with hand
Inventor: KIM WANG KYU
IPC: F03G3/00
Filed: 2006-10-27
Granted: 2007-03-02
Abstract: A manual driving apparatus is provided to generate torque even under the condition where power supply is unstable or cut. A manual driving apparatus(10) comprises a housing(11); a power transmission unit(20) shaft-coupled in the housing so as to transmit torque applied to a driving shaft(15) by a manual torque applying unit to a slave shaft(17); and a torque adding unit(30) which receives torque of the slave shaft and rotates in one direction, and rotates the power transmission unit for a predetermined time in accordance with the inertia action resulting from the torque. The power transmission unit includes a driving gear(21) coupled to one end of the driving shaft; a first connection gear(22) shaft-coupled in the housing and engaged with the driving gear; a second connection gear(23) formed integrally with the other end of the first connection gear; a third connection gear(24) engaged with the second connection gear; a fourth connection gear(25) formed integrally with the other end of the third connection gear; and a slave gear(26) engaged with the fourth connection gear.
Patent KR-100803060-B1 (KR)
Title: Immobilizer system using body auth module and method thereof
Inventor: LEE DAE YUB
IPC: B60R25/24
Filed: 2006-10-30
Granted: 2008-02-18
Abstract: A system and a method for enhancing security of a vehicle by adding a body authorization module welded to the frame of vehicle body structure to avoid a vehicle from being stolen by a thief having an assembly of an engine ECU, an ignition key set, and an ignition key. A system for enhancing security of a vehicle fitted with an immobilizer with a body authorization module includes a transponder(10a) which is embedded in a key(10) to transmit identification and encrypted code of an ignition key, an immobilizer(30) which allows communication between the transponder and an engine ECU(40) to exchange information, a body authorization module(50) which stores an encrypted code and generates random numbers for authorization by using a random number generated by an engine ECU at the time of starting an engine and the stored encrypted code of a body as variables in order to transmit the generated random number, and an engine ECU which applies signals for starting an engine when a key is verified as a valid key by passing both a first ignition key authorization routine exchanging and comparing data with the body authorization module and a second ignition key authorization routine exchanging and comparing data with the transponder. A method for enhancing security of a vehicle fitted with an immobilizer with a body authorization module includes a step of activating the body authorization module by applying electrical power from the engine ECU when a key is inserted to ignition/starting switch, a step of processing a first body authorization routine which exchanges and compares data with a body authorization module, a step of activating a transponder by supplying electricity to the transponder when an ignition switch is on, a step of processing a first body authorization routine which exchanges and compares data with the transponder, and a step of transmitting engine start signals after passing the second body authorization routine or prohibiting start of an engine if any of the first or the second body authorization routine is failed.
Patent KR-101225343-B1 (KR)
IPC: B44C7/02
Filed: 2006-11-08
Granted: 2013-01-23
Abstract: 다리의 개폐작업이 용이하고, 나아가 다리를 개각상태 및 폐각상태에서 각각 확실하게 잠글 수 있는 벽지 호부기를 제공한다. 
     다리(2)의 지지점 하방에서 계지용 돌기(5)를 설치하고, 예를 들어 제1노치(6)를 갖는 제1잠금레버(8)와 제2노치(9)를 갖는 제2잠금레버(11)를 설치해서, 핸들봉(14)의 조작에 의해 제1잠금레버(8)와 제2잠금레버(11)를 연동시켜서 회동시키도록 잠금기구를 구성하고, 제1잠금레버(8)의 일방향으로의 회동에 의해 제1노치(6)가 계지용 돌기(5)와 계합해서 다리(2)가 개각상태로 잠겨지고(a), 제1잠금레버(8)의 타방향으로의 회동에 의해 잠금해제로 되어 다리(2)를 닫을 수 있어[(b)~(d)], 폐각상태에서의 제1잠금레버(8)의 잠김방향으로의 회동에 의해 제2노치(9)가 계지용 돌기(5)와 계합해서 폐각상태에서 잠김상태로 이루어지도록 한다(f). 
       
     잠금레버, 계지용 돌기, 개각상태, 폐각상태, 잠금기구
Patent KR-100826179-B1 (KR)
Title: Refrigerator and the controlling method thereof
Inventor: LEE NAM GYO
IPC: F25D11/00
Filed: 2006-11-14
Granted: 2008-04-30
Abstract: A refrigerator and a control method thereof are provided to recovery refrigerant according to the stroke of a compressor in a load detecting section of the refrigerator, thereby reducing the mode conversion frequency and stroke change of the compressor due to the mode conversion to improve the operation reliability and efficiency of the compressor. A method for controlling a refrigerator includes the steps of closing refrigerant paths of freezer and refrigerator compartments and driving a compressor for detecting loads(S110), and recovering refrigerant from the paths(S120). As the refrigerant recovery is finished, maximum stroke of the compressor is detected after opening the path of the refrigerator compartment(S130). The detected maximum stroke is compared with a preset cooling capacity of the refrigerator compartment to operate an evaporator of the refrigerator compartment by a stroke of the compressor corresponding to the cooling capacity of the refrigerator compartment(S140). The maximum stroke is compared with a preset cooling capacity of the freezer compartment to operate an evaporator of the freezer compartment by a stroke of the compressor corresponding to the cooling capacity of the freezer compartment after closing the path of the refrigerator compartment and opening that of the freezer compartment(S150). If the temperature sensed in the freezer compartment by a temperature sensor is lower than the preset temperature thereof, the paths are closed and the compressor is stopped operating to finish cooling operation(S160).
Patent KR-100795849-B1 (KR)
Title: Nature stone engineering method use self drilling nail
Inventor: JEONG SUNG PIL
IPC: F42D1/00
Filed: 2006-11-15
Granted: 2008-01-21
Abstract: A method for constructing a cut slope surface with natural stone texture using self-drilling nails is provided to perform drilling of nails and fixing of blocks through one process and restore the surrounding environment of the cut slope surface by forming protrusions and depressions on surfaces of blocks, coloring the surfaces of the blocks, and fixing the blocks with natural stone texture to the cut slope surface using the self-drilling nails. A method for constructing a cut slope surface(10) with natural stone texture using self-drilling nails comprises the processes of: forming protrusions and depressions on surfaces of blocks(20) in the form of natural stone and coloring the formed blocks to form blocks with natural stone texture, forming drilling holes(21) in the center of the blocks, installing the blocks on a cut slope surface, and penetrating and grouting self-drilling soil nails(50) into the drilling holes, thereby rotationally nailing self-drilling soil nails into the ground of the cut slope surface through the drilling holes; clamping ends of the nails to pressure plates by nuts to joining the blocks with the nails; and fixing a plurality of the blocks onto the cut slope surface through the foregoing processes, injecting a grout into a filling space(11) between the blocks and the cut slope surface, and hardening the grout.
Patent KR-100980295-B1 (KR)
IPC: H01L21/8247
Filed: 2006-11-16
Granted: 2010-09-06
Abstract: 본 발명은 상변환 기억 소자 및 그의 제조방법을 개시한다. 개시된 본 발명의 방법은, 다수의 상변환 셀 영역을 갖는 반도체기판 상에 제1절연막과 제2절연막을 형성하는 단계와, 상기 제2절연막을 식각하여 하부전극 형성 영역을 한정하는 홈을 형성하는 단계와, 상기 상변환 셀 영역이 노출되도록 상기 제1절연막을 식각하여 콘택플러그를 형성 영역을 한정하는 콘택홀을 형성하는 단계와, 상기 콘택홀 내에 콘택플러그를 형성하는 단계와, 상기 홈 내에 하부전극을 형성하는 단계와, 상기 하부전극을 리세스하는 단계와, 상기 홈 내의 하부전극 상에 제3절연막을 형성하는 단계와, 상기 제3절연막을 식각하여 하부전극의 중심부를 노출시키는 홀을 형성하는 단계와, 상기 홀 내에 하부전극 콘택을 형성하는 단계 및 상기 하부전극 콘택 상에 상변환막과 상부전극을 형성하는 단계를 포함한다.
Patent KR-100844904-B1 (KR)
IPC: H03F3/20
Filed: 2006-11-21
Granted: 2008-07-09
Abstract: 본 발명은 전력 결합기를 이용한 전력 증폭기에 관한 것으로서, 무선 통신 시스템에서 사용되는 다수개의 전력 증폭기에서 발생되는 전력을 전송선 변압기를 이용하여 결합함으로써 전력 손실을 최소화할 뿐만 아니라 큰 출력전력으로 전력 증폭기의 효율을 향상시킬 수 있는 이점이 있다.  
       
     전송선, 변압기, 전력 증폭기, 전력 결합기