baber/WOPTO huggingface dataset:
Patent KR-20080110306-A (KR)
Title: Sectional water tank
Inventor: BYUN MOO WON
IPC: B65D88/52
Filed: 2007-06-15
Abstract: A fabricated water tank is provided, which gives the flexibility to the use of the crosspiece since the exterior solidly supports the wall plate material. A fabricated water tank comprises: a bottom part arranged in the bottom; a wall part in which the lower part is fixed to the bottom part and is extended to the top; a lid part(20) covering the top of the wall part; a vertical strut(31) having the cross-sectional shape of the H-steel in which a fitting groove of the wall part is secured in the right and left; crosspieces(32) which are inserted in the fitting groove of the vertical struts and are fixed and supported; and synthetic resin wall plate material(33) supported by the crosspiece.
Patent KR-20070122143-A (KR)
Title: Semiconductor memory device and method of operating the semiconductor memory device
Inventor: HASHIMOTO SHINGO
IPC: G11C11/41
Filed: 2007-06-19
Abstract: A semiconductor memory device and a method of operating the semiconductor memory device are provided to implement high SER(Soft Error Rate) resistance as satisfying an operation speed of the semiconductor memory device. A memory circuit includes a pair of memory nodes(11). A capacitor(C1,C2) has a first end and a second end, and the first end is connected to the memory node. A switch(4) is connected to the second end, and changes the state of the second end when a semiconductor memory device operates in a speed above a predetermined speed.
Patent KR-20090002772-A (KR)
Title: 바둑게임의 바둑돌 커서 이동 방법 및 그를 프로그램화하여수록한 기록매체
Inventor: LEE SANG WON
IPC: G06Q50/10
Filed: 2007-07-04
Abstract: 본 발명은 바둑게임의 바둑판에서 바둑돌 커서를 원하는 지점으로 효율적으로 옮기는 바둑게임의 바둑돌 커서 이동 방법 및 그를 프로그램화하여 수록한 기록매체에 관한 것으로, 리모콘에 설정된 번호 키 중 특정 번호 키를 바둑 게임자가 선택함에 따라 특정 화점으로 바둑돌 커서를 이동시키고, 리모콘에 설정된 방향키가 선택됨에 따라 커서가 현재 지점으로부터 인접하는 상,하,좌,우 지점으로 이동되는 바둑게임의 바둑돌 커서 이동 방법을 제공한다. 아울러, 상기 바둑 게임의 바둑돌 커서 이동방법을 프로그램화하여 수록한 기록매체를 제공한다. 
     이에, 본 발명은 1에서 9까지의 번호 키 중 선택된 특정 번호 키에 의해 특정 화점으로 바둑돌 커서를 이동시키고 방향키에 의해 상기 특정 화점으로부터 인접하는 지점으로 바둑돌 커서를 자유롭게 이동시킴으로써 번호 키와 방향키를 구비하는 입력장치만으로 바둑을 효율적으로 둘 수 있는 효과가 있다. 
       
     셋탑 박스, 리모콘, 바둑 게임, 화점
Patent KR-20090002789-A (KR)
Title: 인터넷 대전 게임을 이용한 언어 학습 장치 및 그 방법
Inventor: KIM YEON HO
IPC: G06Q50/10
Filed: 2007-07-04
Abstract: 본 발명은 인터넷 대전 게임을 통해 습득하고자 하는 언어의 어휘 학습 효과를 향상시키도록 한 인터넷 대전 게임을 이용한 언어 학습 장치 및 그 방법에 관한 것으로서, 이러한 본 발명은, 어휘 학습용 대전 게임을 인터넷 사이트를 통해 제공해주는 사업자 게임 서버와; 인터넷 사이트를 통해 제공되는 어휘 학습용 대전 게임을 실행하고, 이용자가 입력하는 어휘 의미를 통해 실행한 어휘 학습 게임을 진행하는 게임 이용자가 사용하는 게임 이용자 단말기와; 사업자 게임 서버와 연계하여 상기 어휘 학습용 대전 게임에 사용될 어휘 정보를 추출 및 등록하고, 등록한 어휘 정보를 상기 게임 이용자 단말기로 전달해주어 어휘 학습을 제공해주며, 상기 어휘 학습용 대전 게임의 실행시 상기 게임 이용자 단말기를 통해 입력되는 어휘 의미와 미리 등록된 어휘 의미의 비교를 통해 게임 캐릭터의 기술 발동 여부를 결정하는 어휘 데이터 서버를 구비한다. 
       
     인터넷 대전 게임, 언어 학습, 어휘 입력 인터페이스
Patent KR-20090002799-A (KR)
Title: Portable butane gas container
Inventor: JEON YUNG HO
IPC: F17C13/04
Filed: 2007-07-04
Abstract: A portable butane gas container is provided to increase the evaporation efficiency and improve user convenience and safety by evaporating liquid butane through a plurality of evaporation tanks. A portable butane gas container comprises a container part including a cavity(112) for storing butane gas and a supply port equipped with a supply valve(114) for controlling the gas supply by the operation of a valve system; an evaporation part(120) which is connected with the supply valve of the container part through a supply pipe(123), and in which evaporation tanks including a gas storage space are connected through a connection pipe and a flow pipe in which the gas of the storage space is circulated is formed in the evaporation tank; and a flow part which is formed on the flow pipe of the evaporation part by a flow regulation partition in order to regulate the flow rate of butane gas.
Patent KR-20090002876-A (KR)
Title: Torque sensor and electronic power steering apparatus having same
Inventor: KANG RAE CHEONG
IPC: G01L3/00
Filed: 2007-07-04
Abstract: A torque sensor and an electric-powered power steering apparatus including the torque sensor are provided to minimize the influence of the external magnetism applied in the torque sensor by measuring amount of the external magnetism using a hall sensor. A torque sensor comprises a torque rotor comprised of the body portion, with the input shaft insertion hole, with a presser, a pressing ring; a position rotor in which the second magnetic material and 3 magnetic material by turns repeat according to the circumference of the torque rotor insertion part and which is arranged; a quantity of magnetism detection unit comprised of concentrator; a substrate which is arranged so that the first and the second Hall integrated circuit chip be positioned between the concentrator equipped to phase; an ECU computing the output of the first and the second Hall integrated circuit chip; and a housing surrounding the position rotor and quantity of magnetism detection unit and is separated from the top Housing and lower housing.
Patent KR-20090009430-A (KR)
Title: Extraction method of body recognition for voice information
Inventor: CHO DONG UK
IPC: A61B5/00
Filed: 2007-07-20
Abstract: An extracting method of figure recognition is provided to extract new features about a figure by analyzing generation structure of voice with an anatomical method and a morphological method. Voice is recorded(110). Noises are removed from the recorded voice(120). An LPC(Linear Prediction Coding) analysis is performed(130). Language information included in the voice is extracted(141). Non-language information included in the voice is extracted(140). Vocal cord oscillation frequency is analyzed(150). Fundamental frequency is detected(160). Formant frequency is detected through formant abstraction algorithm(170). Formant shows vertex of energy generated in the voice. The size of voice occurrence part by sound ring steps is calculated(180).
Patent KR-20090011659-A (KR)
Title: Apparatus for removing over coating part from edge part of plated strip
Inventor: KIM KI DONG
IPC: C25D17/00
Filed: 2007-07-27
Abstract: An apparatus for removing an over-coated part from an edge of a plated steel sheet is provided to remove an over-coated powder from an edge of a plated steel sheet using an edge over-coating removal apparatus in order to prevent inferior products. An apparatus for removing an over-coated part from an edge of a plated steel sheet comprises the following units. A moving unit(30) is formed and moved on a rail member(10). An edge over-coating removal apparatus(50) is installed and rotated on the moving unit. The rail member is installed across the plated steel sheet. The edge over-coating removal apparatus removes over-coated part from the edge of the plated steel sheet while moved by the moving unit along the rail member.
Patent KR-20090016810-A (KR)
Title: Method for fabricating capacitor with cylinder type storage node
Inventor: LEE SANG DO
IPC: H01L27/108
Filed: 2007-08-13
Abstract: A method of manufacturing a capacitor including a cylinder bottom electrode is provided to use an amorphous carbon layer in order to support the top of a bottom electrode. A second insulating layer(22B) is formed on a substrate(21) including a word line, a bit line and a first insulating layer(22A). An etching barrier film(24) and a third insulating layer are laminated on the second insulating layer. An open pattern, which opens a part surface of a storage node contact plug(23) by etching the third insulating layer, the etching barrier film and the second insulating layer, is formed. A conductive film used as a bottom electrode(27) is evaporated at a front side including the open pattern. The conductive film is divided with a CMP(Chemical Mechanical Polishing) or a dry etch back process. A part of the third insulating layer is removed by performing a wet etch process. A third insulating layer between bottom electrodes is removed by performing the wet dip-out process. A sacrificing layer is evaporated to the thickness of 500~1500Å in the front side including the upper part of the exposed bottom electrode. A hard mask film is formed on the sacrificing layer. A photosensitive pattern is formed on the hard mask film. At the same time, the third insulating layer pattern and hard mask film are removed by performing a full-dip out process.
Patent KR-20090019332-A (KR)
Title: Steam exhausting apparatus for electric rice cooker
Inventor: SON JUNG CHUL
IPC: A47J27/092
Filed: 2007-08-20
Abstract: A vapor discharge device of an electric pressure rice-cooker is provided to reduce noise of steam exhaust by flowing high temperature and high pressure vapor with exhaust flow path guiding the vapor zigzag. A vapor discharge device of an electric pressure rice-cooker comprises an automatic vapor exhaust flow path discharging the steam vapor of an inner pot outside and a solenoid valve opening and closing the automatic steam exhaust flow path. The high temperature and high-pressure steam of the rice cooker inside, flowing in into a lower cover(410) of the vapor discharge device, losses energy by colliding with several partitions(413,422) which is crossed between the lower cover and a top cover. The steam vapor passing through the exhaust flow path formed as zigzag reduces steam exhaust noise by becoming a state where pressure is very low when the steam vapor is ejected from a vapor outlet(421).
Patent KR-20090019396-A (KR)
Title: Pharmaceutical compositions for preventing and treating allergy comprising small black soybean
Inventor: SHIN TAE YONG
IPC: A61P27/14
Filed: 2007-08-21
Abstract: A pharmaceutical composition comprising the extract of small black soybean is provided to reduce the production of IL-8(interleukin 8) and TNF-alpha(tumor necrosis factor alpha) in the cell, thereby preventing and treating systemic allergic response and topical allergic response. The pharmaceutical composition for preventing and treating allergy comprises 5-90 wt.% of the water extract of small black soybean(Glycine max Merr.) and has a formulation selected from oral formulation which is granule, tablet, capsule, pill, suspension, emulsion or syrup, external application formulation which is ointment, lotion or aerosol and injection.
Patent KR-20090024003-A (KR)
Title: Steam generator and washing/drying machine having the same
Inventor: LEE KYU WON
IPC: D06F37/04
Filed: 2007-09-03
Abstract: A steam generating device and a cloth treatment device including the same are provided to prevent harmful materials from generating in a cabinet of the cloth treatment device. A steam generating device comprises cases(210,220) including an opening unit(221) formed in one side, a heating unit(231) installed through the opening unit, and a fixing unit assembly sealing up the opening unit and supporting the heating unit. The fixing unit assembly includes: an outer bracket formed on the case in order to fix the heating unit; a sealing member adherently installed in one side of the outer bracket; and an inner bracket connected to the outer bracket while adhering closely to the sealing member.
Patent KR-20090025853-A (KR)
Title: Cinnamate 4-hydroxylase cdna clones from rehmannia glutinosa
Inventor: YUN SONG JOONG
IPC: C12N15/10
Filed: 2007-09-07
Abstract: A protein derived from Rehmanniae Radix is provided to have resistivity for herbicide paraquat and to supply information very useful in herbicide resistance crop breeding. A protein derived from Rehmanniae Radix is RgC4H-1 protein derived from the Rehmanniae Radix. The RgC4H-1 protein derived from the Rehmanniae Radix is made of amino acid sequence indicated as a sequence number 3 and engages in herbicide resistant by promoting changing trans-cinnamic acid to p-coumaric acid.
Patent KR-20090025906-A (KR)
Title: Charger for battery of farming machines using household electric power
Inventor: KIM SANG JO
IPC: H02J7/14
Filed: 2007-09-07
Abstract: A battery charger for farming machines is provided to make the rectifying efficiency promoted by setting up the fast switch circuit in the converting circuit part changing the AC power supply to the DC power supply. The domestic alternating current is input to an AC voltage input part through the home plug. A converting circuit part(40) is connected to the AC voltage input part. The converting circuit part converts the domestic alternating current inputted from the AC voltage input part into the DC power supply through a direct current converter(54). The voltage transformed by a voltage conversion portion(58) is preserved after a regulator(72) by the specified voltage. A charge circuit(60) charges a battery(110) by outputting the specified voltage to the output unit.
Patent KR-20090003082-A (KR)
Title: An advertisement method for inserting advertisement of moving picture into cartoon content and system thereof
Inventor: KIM DO SUNG
IPC: G06Q30/02
Filed: 2007-09-11
Abstract: An advertisement inserting method and system are provided to maximize advertising effect for cartoon contents users and provide cartoon contents free or at a discounted price by using an advertisement fee paid by an advertise for an advertisement to a cartoon contents provider. An advertisement inserting system(100) includes a determination unit(111) for determining whether an advertisement output condition is satisfied while cartoon contents are output through a terminal, an advertisement output window generator(113) for generating an advertisement output window which outputs a moving-picture advertisement prior to cartoon contents when the determination unit determines that the advertisement output condition is satisfied, an output unit(115) outputting the moving-picture advertisement through the advertisement output window, and a deleting unit(117) for deleting the advertisement output window after the output of the advertisement is finished.
Patent KR-20090029488-A (KR)
Title: Method of forming chalcogenide layer including te, and method of fabricating phase-change memory device
Inventor: BAE BYOUNG JAE
IPC: H01L27/115
Filed: 2007-09-18
Abstract: A method of forming a chalcogenide layer including Te, and a method of fabricating a phase-change memory device are provided to improve the electrical characteristic of the phase change memory device by using the phase change material layer which fills up the via hole to be conformal. A method of forming a chalcogenide layer including Te comprises the step of radicalizing the source which contains Te; the step of forming the chalcogenide layer(150) on a substrate(100). The source becomes radical before being injected into the reaction chamber. The chalcogenide layer is formed on the top of the substrate by injecting the source into the reaction chamber. The chalcogenide layer is formed at the temperature of deposition between 200 and 300°C.
Patent KR-20070097018-A (KR)
Title: Radio communication apparatus and wireless communication equipment
Inventor: SAKUSABE KENICHI
IPC: H03C3/40
Filed: 2007-09-19
Abstract: A wireless communication apparatus and a wireless communication equipment are provided to increase the number of channels capable of being allocated within a given area and to minimize a possibility that the communication link between a base station terminal and a portable terminal can be interrupted due to an external factor. A wireless communication apparatus is comprised of a baseband processor(72), a front end part(73), and a frequency change-over selector. The baseband processor(72) modulates data to be transmitted into an intermediate frequency signal. The front end part(73) receives the intermediate frequency signal from the baseband processor(72), converts the received intermediate frequency signal into a radio frequency signal, and transmits it. Also the front end part(73) receives a radio frequency signal from a remote place, converts the received radio frequency signal into an intermediate frequency signal, and supplies it to the baseband processor(72). The frequency change-over selector selects a frequency channel to transmit and receive data so as to avoid a disturbance which can exist in an initially selected frequency channel.
Patent KR-20090030890-A (KR)
Title: Complex imaging system for dental
Inventor: LEE SANG CHUL
IPC: A61B6/14
Filed: 2007-09-21
Abstract: A complex imaging system for a dental service is provided to give convenience to a patient and a doctor by performing a computer tomography, a panorama photography, and a cephalography without moving a photographer and a subject through one device. A base(110) is installed in the ground. A subject waits for photography in a chair unit(120). A post(130) is installed in the base to be adjacent to the chair unit. A support unit(140) is extended from the upper part of the post to the subject. An expansion and contract unit(150) is rotatably coupled to the bottom part of the support unit. A radiation emitting unit(160) moves according to the extension and contract of the expansion and contract unit. The radiation emitting unit emits the radiation according to the computer tomography, the panorama photography, and cephalography. A radiation detection unit(170) detects the emitted radiation. A controller reads the photographing information detected in the radiation detection unit.
Patent KR-20070111413-A (KR)
Title: Fast metadata generation using indexing audio-visual programs and graphical user interface, and resuing segmentation metadata
Inventor: SULL SANG HOON
IPC: H04N5/93
Filed: 2007-09-27
Abstract: A method for re-using segmentation meta data is provided to index and transmit meta data with respect to a broadcast AV(Audio-Visual) program using a segment mark and a bookmark at a high speed. A time-index of a segmentation meta data with respect to an AV program is adjusted. The segmentation meta data is transmitted. A particular position of the AV program in the segmentation meta data is expressed as the time-index. In adjusting the time-index, the time-index is converted into a broadcast time or converted into a media time relative to a start time expressed as the broadcast time of the AV program.
Patent KR-20090037041-A (KR)
Title: Gasket reclamation type culvert and producing method
Inventor: LEE SANG SUP
IPC: E02D29/045
Filed: 2007-10-11
Abstract: A gasket-buried culvert and a manufacturing method thereof are provided to improve construction efficiency by omitting a gasket assembling process, and to increase the watertightness. In a gasket-buried culvert, a cavity is longitudinally formed by a wall, and a culvert is consecutively connected to the other culvert through a gasket(20) for watertightness. The gasket is composed of a buried unit(21) and a watertight unit(25) protruded from the cross section of the wall and compressed with the other culvert to perform the watertight function.
Patent KR-20090037195-A (KR)
Title: The wavelength control system and the method for tunable laser diode in wavelength division multiplex passive optical network
Inventor: PARK SOO JIN
IPC: H04B10/00
Filed: 2007-10-11
Abstract: A method for a tunable laser diode in a wavelength division multiplex passive optical network is provided to adjust the wavelength supplied to a tunable laser diode by using frequency difference of a light provided from an OLT and the output light of the tunable laser diode. A diffracting grating(315) reflects the light provided from an OLT(Optical Line Terminal), and a gain medium(311) generates/amplifies light with the diffraction grating. A photo diode(330) combines a first light reflected by the diffracting grating with a second light generated/amplified by the gain medium. The photo diode detects the light having a frequency corresponding to the frequency difference between the frequencies of the first and second lights.
Patent KR-20080096346-A (KR)
Title: System and method to provide location based services in a mobile communication system
Inventor: KIM JUN HYUNG
IPC: H04W4/02
Filed: 2007-10-26
Abstract: A system and a method for providing location based services in a mobile communication system are provided to offer an LBS(Location Based Service) in a mobile communication system using WiMAX Forum Network Working Group. An LBS system comprises an MS(Mobile Station)(100), an ASN(Access Service Network), and a CSN(Connectivity Services Network)(300). The ASN comprises a BS(Base Station)(210), and an ASN gateway(220). The CSN comprises the position information server(LS: Location Server)(310) and an AAA(Authority, Authentication, and Accounting) server(320). An ASN GW comprises the anchor authenticator(224) having the information of the mobile terminals, and the location information controller(222).
Patent KR-20090044140-A (KR)
Inventor: LEE JANG YEON
IPC: H04L12/28
Filed: 2007-10-31
Abstract: 본 발명은 에드-혹 네트워크 환경에 있어서 통신의 최적화를 달성할 수 있는 네트워크 코딩 방법 및 이를 이용한 효율적인 전력제어 방법에 관한 것이다. 
     본 발명에 따른 네트워크 코딩 방법은 최적의 NC Density를 구하여 네트워크 코딩을 수행하는 것을 특징으로 하고, 본 발명에 따른 에드-혹 네트워크의 전력제어 방법은 상기 최적의 NC Density에 해당하는 타겟 SIR를 결정하여 전송 전력을 정하는 것을 특징으로 한다. 
     본 발명에 따르면, 네트워크 내의 통신 경로의 최적화 및 통신 혼잡이나 통신 지연을 최소화할 수 있는 에드-혹 환경을 구축할 수 있고, 에드-혹 네트워크의 전력 사용의 효율을 높일 수 있다. 
       
     에드-혹 네트워크, 네트워크 코딩, 전력제어, 전력관리
Patent KR-20090045651-A (KR)
Inventor: IM DUK BIN
IPC: E06B7/082
Filed: 2007-11-02
Abstract: 본 발명은 다수개의 가림 구조물이 포함되어 설치된 가림 구조물 자동 개폐 장치에 있어서, 다수개의 가림 구조물을 에워싸는 형태로 설치된 고정 프레임과, 다수개의 가림 구조물을 관통하고 고정 프레임의 내부에 수직방향으로 상호 이격되어 연장설치된 다수개의 회전 축과, 고정 프레임의 상측 일부분에 설치되어 다수개의 회전 축중 하나 이상의 회전 축을 회전시키도록 구동력을 발생시키는 구동 부재와, 고정 프레임의 하측 일부분에 위치한 다수개의 회전 축과 각각 연결되어 구동 부재의 구동력에 의해 좌·우방향으로 수평운동하는 다수개의 연결 부재와, 다수개의 연결 부재와 상호 연결되어 구동 부재의 구동력에 의해 좌·우방향으로 수평운동하여 다수개의 가림 구조물를 개폐시키는 연결 바 및 고정 프레임의 외측 일부분에 위치되고 구동 부재와 유선으로 연결되어 구동 부재를 작동 또는 해제시키는 유선용 작동 부재를 포함하는 가림 구조물 자동 개폐 장치를 제공한다. 
     또한, 본 발명은 다수개의 가림 구조물이 포함되어 설치된 가림 구조물 자동 개폐 장치에 있어서, 다수개의 가림 구조물을 에워싸는 형태로 설치된 고정 프레임과, 다수개의 가림 구조물을 관통하고 고정 프레임의 내부에 수직방향으로 상호 이격되어 연장설치된 다수개의 회전 축과, 고정 프레임의 상측 일부분에 설치되어 다수개의 회전 축중 하나 이상의 회전 축을 회전시키도록 구동력을 발생시키는 구동 부재와, 고정 프레임의 하측 일부분에 위치한 다수개의 회전 축과 각각 연결되어 구동 부재의 구동력에 의해 좌·우방향으로 수평운동하는 다수개의 연결 부재와,  다수개의 연결 부재와 상호 연결되어 구동 부재의 구동력에 의해 좌·우방향으로 수평운동하여 다수개의 가림 구조물을 개폐시키는 연결 바 및 고정 프레임의 외측 일부분에 위치되고 구동 부재와 무선으로 통신하여 구동 부재를 작동 또는 해제시키는 무선용 작동 부재를 포함하는 가림 구조물 자동 개폐 장치를 제공한다. 
       
     연결 부재, 연결 바, 유선용 작동 부재, 무선용 작동 부재
Patent KR-20090048034-A (KR)
Inventor: HONG SUNG WON
IPC: E03B11/02
Filed: 2007-11-09
Abstract: 보일러 공급 순수 탱크 내 미생물 번식 및 증식을 방지하고 미생물 번식에 따라 수반되는 보일러 급수라인의 관리와 순수 탱크 청소작업의 횟수를 감소시켜 보일러 수질을 향상시킬 수 있는 순수 탱크의 미생물 생성 방지장치를 제공한다. 순수 탱크의 미생물 생성 방지장치는 순수 탱크, 순수 탱크 상부에 설치되는 벤트 라인, 벤트 라인에서 순수 탱크 내부까지 연장 형성되는 실링 배관, 및 실링 배관 내부에 설치되어 벤트 라인을 통해 순수 탱크 내부로 유입되는 대기를 차단하는 실링 부재를 포함하며, 실링 부재는 순수 탱크 내부에 저장되는 순수의 비중보다 작은 비중으로 형성되어 순수 탱크 내에 저장되는 순수의 양에 따라 실링 배관 내에서 해당되는 방향으로 이동한다. 
       
     보일러, 순수, 벤트 라인, 미생물, 실링 부재
Patent KR-20080063057-A (KR)
Title: Method for manufacturing thin film transistor
Inventor: CHANG WEI LIU
IPC: H01L29/786
Filed: 2007-11-12
Abstract: A method for manufacturing a thin film transistor is provided to increase the aperture ratio of a TFT(Thin Film Transistor) by forming a small channel between a source and a drain of the TFT. A method for manufacturing a thin film transistor comprises the steps of: providing a substrate(30); sequentially forming a patterned first metal layer(32) including a gate, a patterned semiconductor layer(34), a second metal layer on the substrate; fabricating a patterned first photoresist film whose portion is positioned at one side of the first metal layer on the second metal layer; forming a patterned second photoresist layer whose portion is positioned at the other side of the metal layer on the second metal layer; manufacturing a patterned second metal layer by removing a second metal layer part which is not covered by the first and second photoresist layers; and fabricating a source and a drain(52,54) by eliminating the first and second photoresist layers to expose the patterned second metal layer.