baber/WOPTO huggingface dataset:
Patent KR-20010032079-A (KR)
Title: 폐가스 조성 감지용 방법 및 장치
IPC: G01N21/39
Filed: 1998-07-10
Abstract: 제강 공정에서의 폐가스 데이터의 비침입성 수집을 위한 장치 및 방법은, 제강로(100)에 의해 생성된 폐가스을 통과하도록 레이저 비임(300)을 투과시키고 동조 범위에서 다수의 파장을 통해 레이저 비임을 반복적으로 주사하도록 그 투과 정도를 조절하고 아울러 폐가스를 통해 투과된 레이저 비임을 검출(400)하여 검출된 레이저 비임을 전기 신호로 변환(600)시키는 장치 및 단계를 포함한다.  이 전기 신호는 제강 공정의 분석 및/또는 제어에 사용되는 폐가스의 특성을 판단하기 위해 처리된다.
Patent KR-20010034472-A (KR)
Title: 다양한 제어를 가지며 수평과 수직 편향기들을 따라전극들을 집속하는 필드 이미션 디스플레이 음극선관
IPC: H01J29/04
Filed: 1999-01-29
Abstract: 다수의 필드 이미션 캐소드(601)는 전자들의 방출을 만들어내고, 전자들의 방출은 전자 빔을 생성하기 위해 다양한 전극들(602,603,604)을 사용하여 제어되고 집속된다.  음극선관 내에서 사용되는 기술들과 유사한 수평 및 수직 편향 기술들(605,606,각각)은 영상을 생성하기 위해 인광물질 스크린(401)의 부분위에 개개의 전자 빔들을 주사하도록 동작한다.  다수의 필드 이미션 캐소드의 사용은 종래의 음극선관으로 가능한 것보다 더 평평한 스크린 깊이를 위해 제공된다.
Patent KR-20010041350-A (KR)
IPC: C10N30/04
Filed: 1999-02-16
Abstract: A description is given of products obtainable by reacting components a), b), c) and, if desired, d), where component a) is a compound of formula (I) or a mixture of compounds of formula (I), component b) is a compound of formula (II) or a mixture of compounds of formula (II), component c) is a component of formula (IIIa) and/or of formula (IIIb) or a mixture of compounds of formula (IIIa) and/or (IIIb), and component d) is a compound of formula (IV) or a mixture of compounds of formula (IV), in which general symbols are as defined in claim 1, where the compound of formula (I) is pentaerythritol, thiodiethylene glycol, 1,4-butanediol, 1,2- propanedil, diethylene glycol, triethylene glycol, 1,1,1,- tris(hydroxymethyl)ethane, 2,2-dimethyl-1,3-propanediol or glycerol, the compound of formula (II) is methyl 3-(3',5'-di-tert-butyl-4'- hydroxyphenyl)propionate or methyl 3-(3'-tert-butyl-4'-hydroxy-5'- methylphenyl)propionate, the compound of formula (IIIa) is methyl pelargonate or methyl laurate and the compound of formula (IIIb) is 2- dodecenylsuccinic anhydride, and the compound of formula (IV) is, for example, C8 -C 30 alkylbenzene or an alkane of 12 to 30 carbon atoms. These products can be employed as liquid antioxidants in fuels and polymers and as antifriction additives in lubricants.
Patent KR-20010042785-A (KR)
Title: 서멀 프린트헤드 및 그 제조방법
IPC: B41J2/335
Filed: 2000-02-02
Abstract: 서멀 프린트헤드(A)는, 상면(10a) 및 측면(10b)을 갖는 절연성기판(10)과, 이 기판(10)위에 형성된 축열용 글레이즈층(11)을 포함하고 있다. 
     글레이즈층(11)위에는, 발열저항체(13)가 형성되어 있다. 또한, 공통전극(12) 및 복수의 개별전극을 포함하고 있다. 공통전극(12)은, 발열저항체(13)에 접속하는 복수의 이(12a)와, 이 이(12a)를 연계시키는 연결부(12b)를 가지고 있다. 연결부(12b)위에는, 보조전극층(14)이 형성되어 있다. 발열저항체(13)나 보조전극층(14)은, 오버코트층(16)에 의해 덮여있으며, 이 오버코트층(16)은, 보호층으로 덮여있다. 공통전극(12)의 연결부(12b)는, 글레이즈층(11) 및 상기 기판의 상면(10a)의 쌍방에 직접 접하고 있다.
Patent KR-20010071610-A (KR)
Title: 단속적인 강화 비드가 구비된 뚜껑을 가지는 용기
IPC: B65D43/06
Filed: 1999-06-11
Abstract: 탄성의 전자 오븐용 용기(10)는 그릇(12)과 선택적으로 스냅되는 뚜껑(14)을 구비한다. 뚜껑은 외측으로 연장되는 강성의 탭 부재(40)를 구비한 밀봉 립과, 탭 부재에 근접하여 단속되는(92) 실질적으로 고리형인 강화 비드(90)를 구비하는 본체(30)를 구비한다. 단속된 고리형 비드와 조화되는 강성의 탭 부재의 조합은 필요할때 적은 분리력으로써 뚜껑을 그릇으로부터 용이하게 분리될 수 있게 한다.
Patent KR-20010082727-A (KR)
Inventor: KANDA KOICHIRO
IPC: F15B15/14
Filed: 2001-02-17
Abstract: PURPOSE: To provide an inexpensive and easily manufacturable fluid pressure cylinder having a piston and a rod nonrotatable to a body block in the fluid pressure cylinder using air bearings. CONSTITUTION: The body block 1 is provided with the first air bearing 6 for supporting the piston 12 and the second air bearing 9 for supporting the rod 13 having a square cross section, and the piston 12 and the rod 13 formed as a separate body are fixed by an adhesive 25 in a state of being supported by the air bearings 6, 9 of the body block 1.
Patent KR-20020067950-A (KR)
Title: full automation type washing machine
Inventor: AHN IN GEUN
IPC: D06F37/40
Filed: 2001-02-19
Abstract: PURPOSE: A fully automated washing machine is provided to stably switch the rotation power transmission path to a pulsator or a dehydration tub in a short time by a driving part having a stator and a rotor. CONSTITUTION: A fully automated washing machine includes a dehydration tub rotatively mounted in an outer tub, a pulsator mounted in the dehydration tub and rotatively independently from the dehydration tub, a dehydration shaft(5) rotatively supported in a shaft supporting bearing case(20) for transmitting rotation force to the dehydration tub, a washing shaft(6) for transmitting the rotation force to the pulsator, a motor(7) of which rotor(7b) rotates as a stator(7a) is supplied with power, and a clutch element for converting the power transmission path of the motor to the washing shaft or the dehydration shaft according to the washing or dehydration stroke.
Patent KR-20010087198-A (KR)
Title: Removable coating composition and preparative method
Inventor: VAN RHEENEN PAUL RALPH
IPC: C09D201/00
Filed: 2001-02-21
Abstract: PURPOSE: Provided are a removable coating composition and a method for preparing the same to produce a protective film able to continuously keep its protection property unless it is removed to expose surface not damaged when applied the composition on a substrate. CONSTITUTION: The composition comprises an aqueous dispersion material made of at least one polymer having Tg of 0-40deg.C; at least one amphoteric release agent having equipotential point at pH3-8; 0.20-2.00moles/100g polymer of at least one base to keep the coating composition to have pH8-11; and at least one multi-valent metallic cation and, provided that total amount of the base and the metallic cation is ranged of 0.20-2.00moles/100g polymer. The polymer is a polymeric unit containing 0.1-6wt.% of at least one carboxylic reactive monomer based on total weight of the polymer. The amphoteric release agent is one selected from amino carboxylic acid, amphoteric imidazoline derivative, betaine, fluorocarbon and silonic acids thereof and/or a combination of two or more. The base is one selected from a group consisting of calcium carbonate, zinc oxide, magnesium oxide and, calcium hydroxide and/or a combination of two or more.
Patent KR-20020068866-A (KR)
Title: method of calculating an automobile estimated value based on internet
Inventor: YANG SEUNG OK
Filed: 2001-02-23
Abstract: PURPOSE: A car price estimate calculation method is provided to prevent a prearrangement of a car price among sellers, or a jump of the price caused by a purchase competition and to reduce a purchase time by estimating a car price over the internet. CONSTITUTION: The method comprises steps of an auction manager of a reverse auction site checking if an accessing client is an authenticated member(100), the auction manager enabling the accessing client to subscribe for the reverse auction site as a seller or buyer member(102), the auction manager checking if the accessing client is a seller or a buyer(104), in a case of the seller, the auction manager enabling the seller member to offer a car price estimate(106), in a case of the buyer, the auction manager checking if the buyer inputs a purchase condition at a purchase management database(108), and the auction manager enabling the buyer to input the purchase condition at the database in a case that the buyer does not input the purchase condition(110, 112), the auction manager notifying the buyer of a proper one among the estimates offered by the sellers(114), the auction manager checking if the buyer is satisfied with the offered estimate(116), and the buyer making a payment for the car in a case that the buyer is satisfied with the offered estimate(118).
Patent KR-20010085725-A (KR)
Title: Semiconductor device and method for fabricating same
Inventor: KATO YOSHIMASA
IPC: H01L23/29
Filed: 2001-02-28
Abstract: PURPOSE: To provide a semiconductor device which can be reduced in cost by reducing the number of components, processes, and jigs and tools and which can be increased in yield by reducing damages to a chip or package, and also to provide a method of manufacturing the same. CONSTITUTION: An LSI chip 1 having a bare chip structure is formed with bumps 3 on its surface. At least a side wall of the chip 1 is applied with protective resin 4. The protective resin 4 applied on the side wall of the chip 1 prevents the chipping or clacking of the chip 1.
Patent KR-20020074627-A (KR)
Title: Hinge Assembly for Hood panel Fixing of Car
Inventor: LEE SEUNG
IPC: B62D25/12
Filed: 2001-03-21
Abstract: PURPOSE: A hinge assembly for fixing a hood panel of a vehicle is provided to facilitate opening and shutting of a hood panel without performing additional work in fixing and releasing a fixing rod. CONSTITUTION: An upper bracket(32) and a lower bracket(31) are fixed each to a hood panel(12) and a vehicle panel(13). A fixing rod(33) coupled by an upper hinge(38) and a lower hinge(37) to the upper bracket and lower bracket, to be moved. An elongated hole(34) for moving the lower hinge is formed in the middle of the lower part of the fixing rod. A spring(40) elastically supporting is inserted in the elongated hole. A projection for fitting(35) is formed to a side of the lower part of the fixing rod. A fixing pin(39) for coupling the projection for fitting is coupled to the lower bracket. A supporting piece(36) for supporting the hood panel is formed to the lower part of the fixing rod in one. Therefore, the hood panel is raised up when opening the hood panel.
Patent KR-20010095056-A (KR)
Title: Network game system, network game apparatus, network game method, and a network game program recorded & readable medium
Inventor: GOTO KATSUHIRO
IPC: A63F13/825
Filed: 2001-03-28
Abstract: PURPOSE: To provide a net game transmitting the prescribed data according to a game result to a player via a two-way network and applying flexibility and a developing property to the game result. CONSTITUTION: This character growing game system comprises a web (worldwide web) server 1 and a cellular phone 20. The server 1 has a character growing game device 10. The game device 10 is provided with the hardware and software for a character growing game, e.g. at least a growth process part 100 and a transmission/reception controller 112 controlling the transmission/ reception process of data for the internet. A network center 30 intermediates the connection between the cellular phone 20 and the internet. The game image from the game device 10 is displayed on the monitor of the cellular phone 20, and the game is progressed by operating a key to return response data. The growth result is transmitted to the cellular phone 20 from the server 1.
Patent KR-20020078138-A (KR)
Title: Thread for stitching geotextile
Inventor: JEON HAN YONG
IPC: D02G3/28
Filed: 2001-04-06
Abstract: PURPOSE: A sewing thread made by doubling and twisting of a polyamide multifilament yarn and an aromatic polyester multifilament yarn to be used in civil engineering and construction is provided which has physical property and a construction for preventing distortion of a joint portion of a woven mat and maintains structural stability. CONSTITUTION: This sewing thread is a plied yarn of a polyamide multifilament yarn and an aromatic polyester multifilament yarn, wherein the polyamide multifilament yarn comprises 100 to 5,000 filaments of a monofilament having a single yarn fineness of 1 to 10 denier and the aromatic polyester multifilament yarn comprises 100 to 5,000 filaments of a monofilament having a single yarn fineness of 1 to 10 denier. The sewing thread has an increased tensile strength and decreased tensile elongation, thereby improving stitch performance.
Patent KR-20020078146-A (KR)
Title: A food preparation table with food container holding refrigerated foodstuffs and refrigeration method thereof
Inventor: LEE HO JIN
IPC: F25D15/00
Filed: 2001-04-06
Abstract: PURPOSE: Provided are a table for preparing meals, having a device for refrigerating food material, which is excellent in refrigerating efficiency, and a refrigerating method thereof. CONSTITUTION: The table for preparing meals contains: at least one container(12) in which the food material(43) is put; a container-placing rack(13) capable of forming a space(S) above the container(12); a cooling device for cooling air; a heat-absorbing device for absorbing the heat of the food material(43) by the cooled air; a device for forming an almost stagnant membrane between the food material(43) and the atmosphere by the cooled air, which contains an air chamber(41) pushing out the cool air at a velocity of almost 0.
Patent KR-20010098506-A (KR)
Title: 비휘발성 메모리에 핀 교정 데이터를 기억하는 이벤트에근거한 테스트 시스템
IPC: G01R31/3193
Filed: 2001-04-11
Abstract: 이벤트에 근거한 테스트 시스템은 내부에 사용되는 모든 핀 카드에 대해 비용면에서 효율적이며, 에러가 없고, 안전하고 간단한 교정 데이터 관리 방법을 갖는다.  이 테스트 시스템은 테스트 채널을 통해 DUT의 장치 핀에 테스트 패턴을 인가하고 DUT의 응답 출력을 조사함으로써 테스트중인 반도체 장치(DUT)를 테스팅하기 위한 다수의 테스트 채널을 갖는다.  테스트 시스템은 테스트 채널의 일부를 만들도록 내부에 복수의 핀 유닛을 각각 갖는 복수의 핀 카드, 각 핀 카드 내에 설치되어 대응하는 핀 카드에 장착된 핀 유닛에 관련한 에러 팩터를 보상하는 교정 데이터를 기억하기 위한 비휘발성 메모리, 및 각 핀 카드 내에 설치되어 대응하는 핀 카드의 모든 핀 유닛에 대해 교정 데이터를 관리하고 교정 과정을 실행하기 위한 마이크로프로세서를 포함하고, 각 핀 유닛은, 테스트 패턴이나 스트로브 신호가 이전의 이벤트로부터의 시차에 관련한 모든 변경을 정의하는 이벤트 메모리에 기억된 이벤트 데이터에 근거하여 직접 생성되고 있는 이벤트 테스터로 구성된다.
Patent KR-20020079247-A (KR)
Title: Oil Cleaner
Inventor: JANG SE DONG
IPC: F01M11/03
Filed: 2001-04-14
Abstract: PURPOSE: An oil regenerating device is provided to improve the performance of lubrication and extends the life time of lubricating oil by removing impurities from the lubricating oil. CONSTITUTION: A solid filter is installed at the bottom of a casing, and removes solid impurities from oil supplied from an oil pan. A gas exhaust port is formed at the top of a liquid filter installed at the top of the casing, and exhausts gas vaporized from liquid impurities remains in the oil. A partition having a through hole for the oil is formed at the casing, and separates the solid filter and liquid filter.
Patent KR-20020082644-A (KR)
Title: Electrical Jet-injection Apparatus
Inventor: JUNG GANG HUN
IPC: B05B3/02
Filed: 2001-04-25
Abstract: PURPOSE: An electric-powered injection apparatus is provided which not only protects the motor, but also extends life cycle of the motor by installing a temperature sensing sensor at one side of the motor so that load is prevented from being loaded on the motor. CONSTITUTION: The electric-powered injection apparatus comprises a power generation means which comprises a temperature sensing sensor to regulate a power supply when temperature is increased an arbitrary set value or more by detecting exothermic temperature for a coiled coil(12) on a core(11) for securing durability and reliability of an internal equipment by prevention of overheating and impress a power supply when temperature is decreased to the arbitrary set value or less; a driving plate(30) into which magnets are inserted in the state that the driving plate(30) is fixed to the end part of a driving shaft of the power generation means; an impeller(50) which is adsorbed to the magnets of the driving plate(30) to maintain rotation force equivalent to the driving shaft(18); a flat plate(40) having a certain thickness which is interposed between the driving plate(30) and the impeller(50); and a casing(70) on which an eccentric guide is formed so that rotation force increased water flown into the casing from the outside is discharged by an impeller(50) in the state that the impeller(50) is installed inside the casing(70).
Patent KR-20020084850-A (KR)
Title: ELISA kit for diagnosis of clonorchiasis, paragonimiasis, cysticercosis and sparganosis
Inventor: CHAE JONG IL
IPC: G01N33/96
Filed: 2001-05-02
Abstract: PURPOSE: An enzyme-linked immunosorbent assay kit of Clonorchis sinensis., Paragonimus westermani, Cysticerus cellulosae and Sparganum infection syndrome is provided, thereby rapidly and correctly diagnosing the infection of main tissues with parasites. CONSTITUTION: The enzyme-linked immunosorbent assay kit of Clonorchis sinensis., Paragonimus westermani, Cysticerus cellulosae and Sparganum infection syndrome comprises a multi-well microplate or strip containing antigens of Clonorchis sinensis. Paragonimus westermani, Cysticerus cellulosae and Sparganum; a human serum which doesn't react with the antigens of Clonorchis sinensis. Paragonimus westermani, Cysticerus cellulosae and Sparganum as a negative standard serum; and a human serum which specifically and independently reacts with the antigens of Clonorchis sinensis., Paragonimus westermani, Cysticerus cellulosae and Sparganum as a positive standard serum.
Patent KR-20020085262-A (KR)
Title: Vacuum interrupter for vacuum circuit breaker
Inventor: AHN HUI IL
IPC: H01H33/60
Filed: 2001-05-07
Abstract: PURPOSE: A vacuum interrupter of a vacuum breaker is provided to improve an insulating resistance without increasing a volume of the vacuum interrupter. CONSTITUTION: An insulating tube member(11) is formed with the first tube(12a) and the second tube(12b) in order to form vacuum. A fixing electrode(15) has a fixing contact(16). The fixing electrode(15) is exposed to the outside of the first tube(12a). A movable electrode(17) has a movable contact(18). The movable contact(18) is contacted with the fixing contact(16). A large-scaled aperture portion(22a) is arrayed around the fixing electrode(15) and the movable electrode(17). A small-scaled aperture portion(22b) is formed at one side of the large-scaled aperture portion(22a). A shield member(21) is formed with the large-scaled aperture portion(22a) and the small-scaled aperture portion(22b). A shield support member(25) is used for supporting the shield member(21).
Patent KR-20020086016-A (KR)
Title: kim-chi refrigerator using thermo-element
Inventor: LEE SEUNG HO
IPC: F25D11/00
Filed: 2001-05-10
Abstract: PURPOSE: A kimchi storage using thermoelement is provided to eliminate or minimize variation of temperature between an upper part and a lower part of a storage compartment. CONSTITUTION: A thermoelement(60) connected with a controller box(12) by an electric wire(13) is installed so that a heat radiating part, an upper side(61) of the thermoelement, is exposed to the outside and a heat absorbing part, a bottom side(62) of the thermoelement, is exposed to a storage compartment(3). The thermoelement helps cooling of an upper part of the storage compartment. An aluminum board(70) is installed to contact with the bottom side of the thermoelement to expand area for heat exchange.
Patent KR-20020032281-A (KR)
Inventor: SUZUKI HISAO
IPC: H02M3/07
Filed: 2001-05-11
Abstract: PURPOSE: A level shift circuit and a semiconductor device is provided to have a charge pump circuit with a quick response and satisfactory step up efficiency. CONSTITUTION: A level shift circuit(10) includes a capacitor(C1), a charge control circuit connected to the capacitor(C1) for providing a voltage(VD) of a high potential power supply to the capacitor(C1) and controlling charging of the capacitor(C1) and a current limiting circuit(21) connected to the high potential power supply and the charge control circuit for limiting the voltage provided to the capacitor(C1) from the high potential power supply before the charge control circuit stops providing the voltage(VD) of the high potential power supply to the capacitor(C1).
Patent KR-20020087518-A (KR)
Title: Novel bioactive substance extracted from actinomycetes, method of extracting same, and pharmaceutical composition containing same
Inventor: CHO GI UNG
IPC: C07D493/08
Filed: 2001-05-11
Abstract: PURPOSE: Provided are a biostimulating material derived from Actinomyces, an extracting method thereof and a pharmaceutical composition containing the same. The biostimulating material has toxicity to various cancer cells, so that it can be useful as an anticancer drug. CONSTITUTION: The biostimulating material derived from Actinomyces is represented by formula(1), in which R1 and R2 are the same or different, and hydrogen, methyl, ethyl, propyl or isopropyl. The method for extracting the biostimulating material derived from Actinomyces comprises the steps of: culturing Streptomyces sp. in a broth; filtering the cultured medium to isolate a mycelium; extracting the mycelium with at least one of methanol, ethanol, chloroform, acetone and dichloromethane; evaporating the crude extract solution under reduced pressure to obtain a residue; fractionating the residue according to its polarity; evaporating a polar fraction under reduced pressure to obtain a polar organic concentrate; and subjecting the polar organic concentrate to chromatography.
Patent KR-20020087270-A (KR)
Title: Asymmetric Transfer Hydrogenation of Aromatic Ketones
Inventor: JUNG YEONG GEUN
IPC: C07D207/14
Filed: 2001-05-15
Abstract: PURPOSE: An asymmetric hydrogen transfer reducing method of aromatic ketone compounds is provided, therefore the cost for reduction can be decreased because L-proline as a ligand is cheap, and the optical purity and reduction yield of aromatic ketone compounds can be maximized. CONSTITUTION: The asymmetric hydrogen transfer reducing method of aromatic ketone compounds is carried out in the presence of a ligand of formula(2), ruthenium(II) catalysts, and a reducing agent of formic acid or alkoxy metal salt. In the formula, R is phenyl, 1 or 2 fluoro or methoxy group substituted phenyl, or naphthalene; the ruthenium(II) catalyst is selected from (RuCl2Ph)2, (RuCl2(p-cvm))2 and (RuCl2(Me6C6))2; the mole ratio of ligand to ruthenium(II) used is 1:1 to 4:1; the volume ratio of formic acid to triethylamine is 1:2 to 2:1; the alkoxy metal salt is methoxy alkali metal salt, ethoxy alkali metal salt or propoxy alkali metal salt; the reducing solvent is selected from dimethylformaldehyde, dichloroethane and acetonitrile; and temperature of the reduction reaction is 20 to 50 deg. C.
Patent KR-20020013374-A (KR)
Title: barbeque machine for indoor use scarcely producing smoke
Inventor: HAN DONG JIN
IPC: A47J37/07
Filed: 2001-05-16
Abstract: PURPOSE: A smokeless barbecue grill is provided to keep rich flavor of meat by minimizing the loss of juice, to evenly grill the meat by keeping uniform temperature, and to improve the flavor of barbecue by using the smoke of fuel. CONSTITUTION: A smokeless barbecue grill comprises a heating unit and a rotating grill unit. The heating unit includes a burner(3) placed inside(2) a burner casing(1), rotating guides(5) installed above the burner, and a joint unit(6). The rotating grill unit has two round supporting units having many insertion holes(10a). A central shaft penetrates through the centers of the supporting units. Both ends of the central shaft are hung on a rotating guide unit. One end of the rotating grill unit is connected with a joint unit and disconnected from the joint unit. Power is transmitted to the joint unit via a speed reduction device of a motor(7). A switch unit(9) controls rotation of the joint unit. Sides of a cover unit are inclined to embed the rotating unit in the heating unit. Both sides of the cover unit is made with an opaque plate. An upper face(24) of the cover unit is for preheating meat. A fuel loading unit or cabinet(3c) is prepared on the burner to burn aromatic fuels such as hickory, oak sticks, and charcoal. Therefore, meat having excellent flavor is prepared without smoke.
Patent KR-20020090427-A (KR)
Title: Process for crystallizing amorphous silicon and its application - fabricating method of thin film transistor and TFT-LCD
Inventor: HWANG GWANG JO
IPC: G02F1/136
Filed: 2001-05-25
Abstract: PURPOSE: A poly crystallizing method and method for fabricating a thin film transistor and a liquid crystal display device are provided to obtain characteristics of a high temperature poly crystalline silicon thin film via fast and stable crystallization of amorphous silicon by blocking the heat capacitance generated by the electric field applying and the heat processing with first and second buffer layers of a low heat conductivity. CONSTITUTION: A poly crystallizing method includes the steps of forming a first buffer layer(202) on a substrate(201), forming an amorphous silicon layer(203) on the first buffer layer, forming a second buffer layer(202a) on the amorphous silicon layer with a predetermined distance, forming a metal thin film layer(204) on the entire surface of the substrate including the second buffer layer, and crystallizing the amorphous silicon layer to a poly crystalline silicon by heating the substrate simultaneously with applying electric fields to the surface resistance heating material via electrodes(205).