baber/WOPTO huggingface dataset:
Patent KR-20030030634-A (KR)
Title: Method for analysing surface defect of a wafer
Inventor: AHN JEONG HUN
IPC: H01L21/66
Filed: 2001-10-12
Abstract: PURPOSE: A method for analyzing the surface defect of a wafer is provided to fundamentally prohibit the generation of crystal defects with the wafer processing by making correct defect morphology for the wafer. CONSTITUTION: A bare wafer is prepared(20). An oxide layer is formed on the bare wafer by performing a thermal oxidation process(22). An electrolytic material is attached to the defect surface area of the wafer with an oxide layer(24). The electrolytic material is removed from the wafer such that the morphology for the defect area is detected(34). In order to make the attachment of the electrolytic material to the wafer, after the wafer is dipped into a vessel with the electrolytic material, electric fields are formed at the front and the rear sides of the wafer while breaking the insulating layer at the defect area of the wafer. The electrolytic material is methanol containing copper ions. The electric field applied to the wafer is in the range of 3-10MV/cm¬2.
Patent KR-20030034712-A (KR)
Title: Hydorgen purification module
Inventor: CHOI GEUN SEOP
IPC: H01M8/06
Filed: 2001-10-26
Abstract: PURPOSE: Provided is a hydrogen purification module without heat loss, having a compact size, and capable of preventing leakage of purified hydrogen, being easily assembled, and producing highly purified hydrogen. CONSTITUTION: The module comprises a plurality of unit modules which are arranged in parallel with each other, wherein the unit module includes a plurality of cells(100) joined together by coupling fittings(40), and wherein the cell includes two metal films(10) for selectively transmitting hydrogen, a metal supporting ring(20) interposed between the two metal films(10), wherein the metal films(10) are joined to both sides of the metal ring(20) by a diffused junction method, thereby forming a closed space inside the metal ring(20), a porous plate(30) inserted between the two metal films(10) inside the metal ring(20) for collecting hydrogen transmitted through the metal films(10), and a fitting(40) having a hydrogen passage passing through a hole(21) formed in the metal ring(20) and being in contact with to the porous plate(30) at one end thereof so as for the collected hydrogen to be transferred therethrough.
Patent KR-20030035125-A (KR)
Title: A new alkaloid and the preparation method thereof
Inventor: LEE SANG HYUN
IPC: C07D405/12
Filed: 2001-10-30
Abstract: PURPOSE: Alkaloid compounds and a preparation process thereof are provided, thereby the novel alkaloid compound having various biological activity can be prepared. CONSTITUTION: The alkaloid compounds represented by formula(1) and derivatives thereof, isomers thereof and salts thereof are provided. The process for preparing the alkaloid compounds comprises the steps of: extracting Acanthopanax sessiliflorus with a solvent selected from the group consisting of C1-C4 lower alcohol, hexane, chloroform and ethylacetate; and subjecting the extracted fraction to chromatography, wherein the extraction fraction is a butanol fraction; the chromatography is carried out by passing the butanol fraction through the silica gel column using chloroform and methanol as solvents, and the alkaloid compounds include 6,7-dimethoxycourmarin, 3,4-dihydroxybenzoic acid, ursolic acid and hyperin.
Patent KR-20030035445-A (KR)
Title: Width Automatic Control Apparatus for Billet Guide in Continuous Wire Rolling Facilities
Inventor: KANG MYEONG GWON
IPC: B21B37/16
Filed: 2001-10-31
Abstract: PURPOSE: A width automatic control apparatus for guiding billet in continuous wire rod rolling facility is provided to improve actual yield of product by not only guiding billet in rolling process, but also guiding the billet smoothly as width of guide is being automatically adjusted even during backward movement of the billet for billet reloading. CONSTITUTION: The width automatic control apparatus comprises a guide(120) installed on the upper surface of a base to guide the billet (B); guide rollers(130,131) installed at the end of the guide(120) and base to guide transfer of the billet (B); an eccentricity cam(140) fixed to the outer surface of the guide(120) to adjust width of the guide(120) and rotated to a certain angle centering around a shaft(141) on the upper surface of the base; an elastic member(150) installed at the end of the shaft(141) to elastically restore position of the guide(120); and a guide position control means(160) for controlling position of the guide(120) by selectively stopping rotation of the shaft(141), wherein the guide position control means(160) comprises a fixed plate(161) which is fixed to the shaft(141), and on the outer circumferential surface of which a locking groove(161a) is formed; a stopper(162) which is rotated centering around a hinge(162a) on the base, and the end of which is selectively inserted into the locking groove(161a), and an air cylinder(163) which is installed on the base and selectively rotates the stopper(162), and wherein the elastic member(150) is a lamella spring(150).
Patent KR-20030037783-A (KR)
Title: device for opening and closing lid in washing machine
Inventor: CHOI SEONG BONG
IPC: D06F39/14
Filed: 2001-11-05
Abstract: PURPOSE: A lid opening apparatus for a washing machine is provided to improve convenience and to output the laundry conveniently by automatically opening a lid with operating a lid opening button without bending the wrist. CONSTITUTION: A washing machine comprises an outer case(1), a top cover(2) formed on the outer case, a lid(4) placed on the top cover, an outer tub and a washing tub(3). A lid opening device of the washing machine is composed of the flexible lid moving along a guide groove on the top cover and moving down along the rear wall of the outer case by bending, a storage part(7) containing the lid in opening the washing tub inside the top cover and the outer case, and a lid driving unit automatically storing the lid in the storage part in opening the washing tub and drawing the lid out of the storage part in closing the washing tub. The convenience is improved by opening the lid of the washing machine easily with operating the button.
Patent KR-20030038237-A (KR)
Title: Construction establishment method and the structure for underground tunnel formation
Inventor: KIM JEONG YOON
IPC: E21D9/00
Filed: 2001-11-10
Abstract: PURPOSE: An installation method of a structure for underground tunnel formation is provided to execute a tunnel stably and safely and to form a tunnel economically and firmly. CONSTITUTION: The installation method of a structure for underground tunnel formation comprises the steps of: measuring the appropriate position exactly according to a plane to be tunneled before jacking a steel tube, forming a lagging plate inlet on the front end of a steel tube, coupling a leading tube provided with a jacking directional control device; locating a steel tube on the driving location exactly, then jacking in stages using a hydraulic jack and an auxiliary thrust pipe, and taking a positional measurement at intervals of 1 meter to install within the minimum limit of an error using a jacking directional control device; digging up earth through a lagging plate inlet, then placing and connecting lagging plates in order; grouting around a lagging plate through a grouting injection valve to prevent the outflow of soil and to cut off water; forming a pipe fitting hole on the side of steel tubes, interposing a steel tube connecting pipe and fixing with a structure not to move or fall off; installing a form in the steel tube according to the size of a tunnel formation part and a structure; arranging reinforcing bars in the steel tube; placing concrete in the steel tube; after curing the concrete surface in the steel tube, excavating a tunnel in the steel tube; and cutting off the inside of the steel tube along a tunnel face.
Patent KR-20020040559-A (KR)
Inventor: HSU SHENG TENG
IPC: H01L21/3205
Filed: 2001-11-15
Abstract: PURPOSE: A semiconductor structure is provided to be capable of enduring an annealing at a high temperature without damaging conductivity and perfection. CONSTITUTION: The semiconductor structure includes a substrate selected among substrates of a group of silicon, polysilicon, silicon dioxide, and silicon germanium, and an electrode located on the substrate. The electrode contains a layer of a composition of Ir-M-O. Where, M is a metal selected from one among metals of a group of Ta, Ti, Nb, Al, Hf, Zr, and V. The semiconductor structure is constructed and arranged so as to endure the annealing at a temperature of 600°C or more without damaging conductivity and perfection.
Patent KR-20030039863-A (KR)
Title: Detectable warning tape for buried pipes
Inventor: LEE GYU CHANG
IPC: G01V15/00
Filed: 2001-11-16
Abstract: PURPOSE: A buried pipeline detecting tape is provided to be capable of adjusting a thickness easily and simplifying a fabrication process. CONSTITUTION: A plurality of metal deposition layers(4) are interposed between a plastic film(1) and a transparent plastic film(3), and are spaced apart from one another. The plurality of metal deposition layers consists of aluminum, zinc, brass and copper metals. The plastic film(1) and the transparent plastic film(3) are one selected from a group of polyethylene, polypropylene, polyethylene terephthalate and nylon films. A thickness of the metal deposition layer is about 10-150 micrometers.
Patent KR-20020000856-A (KR)
Inventor: CHA HYUN O
IPC: A23P1/08
Filed: 2001-11-23
Abstract: PURPOSE: A process of preparing a dumpling and dumpling soup by using deep-fried bean curd as the main material of a dumpling skin is provided. Whereby, the dumpling has a good taste as compared to a stuffing using glutinous rice flour or corn flour. CONSTITUTION: The skin of a dumpling made of deep-fried bean curd is pulled up around a stuffing, closed in the shape of a cup and steamed to produce a dumpling, which is added with a seasoning liquid and subjected to quick cooling. The stuffing comprises 10% by weight of Chinese noodles, 10% by weight of beef, 5% by weight of pork, 5% by weight of onion, 5% by weight of a leek, 5% by weight of mushroom, 5% by weight of egg, 5% by weight of cuttlefish, 5% by weight of shrimps, 5% by weight of boiled fish paste, 5% by weight of bean curd, 5% by weight of razor clam flesh, 5% by weight of cabbage, 3 by weight of spinach, 2% by weight of carrot, 5% by weight of green bean sprout, 2.5% by weight of kimchi, 5% by weight of blue crab fresh, 5% by weight of vegetable, 3% by weight of thin red pepper, 1% by weight of sesame seed oil, 0.2% by weight of seasoning or the like.
Patent KR-20030042997-A (KR)
Title: A method for manufacturing high carbon wire rod for stay cable steel wire having superior strength
Inventor: SEO IL GWON
IPC: C21D8/06
Filed: 2001-11-26
Abstract: PURPOSE: A method for manufacturing high carbon wire rod hypereutectoid steel for stay cable steel wire having superior strength of greater than 180 kgf/mm¬2 is provided, which can draw high carbon wire rod to a final diameter of 4.0 to 5.5 Φmm. CONSTITUTION: The method includes the steps of preparing a molten steel comprising C 0.70 to 0.90 wt.%, Si 0.8 to 1.2 wt.%, Mn 0.20 to 0.90 wt.%, 0.020 wt.% or less of P, 0.020 wt.% or less of S, Al 0.01 to 0.06 wt.%, a balance of Fe and incidental impurities; continuous casting the molten steel at a rate of 0.70 to 0.80 m/min while spraying cooling water onto the molten steel in an amount of 0.20 to 0.30 L/kg, followed by hot rolling into steel billet; grinding the whole surface of the steel billet to remove decarburized layer generated during hot rolling; reheating the steel billet to the temperature range of 1000 to 1100°C for 90 to 150 min, followed by rolling it into steel wire; coiling the steel wire in the temperature range of 750 to 900°C; and cooling the steel wire to the temperature range of 300 to 400°C at a cooling rate of 15 to 25°C/sec.
Patent KR-20030053955-A (KR)
Title: Compressed Natural Gas Compression System
Inventor: KWON DO HYEON
IPC: F17C5/00
Filed: 2001-12-24
Abstract: PURPOSE: A high-pressure natural gas compression system is provided to reduce installation area, facilitate stable construction through a blow down vessel, and remove dangerous elements by smoothly cooling a cooler and the machinery and tools and quickly ventilating the circumference. CONSTITUTION: Natural gas is compressed, passing through a cylinders in order. A blow down vessel(16) is formed in a ring shape, and brackets(17) are formed to the inner upper part of the blow down vessel, to be stably supported on the ground. Support pieces(18) are formed to the outer lower part of the blow down vessel. A compression device(11) is installed to the upper side of the blow down vessel. The brackets and the compression device are fastened and a cooler(24) is disposed on the bracket and the compression device. An exhaust unit(19) with a cooling exhaust fan(21) inside a duct(20) is fastened to the upper side of the compression device and the cooler.
Patent KR-20030055845-A (KR)
Title: Shift resister and liquid crystal display device having the same
Inventor: LEE HYEONG GON
IPC: G02F1/133
Filed: 2001-12-27
Abstract: PURPOSE: A shift register and an LCD(Liquid Crystal Display Device) are provided to secure the reliability and to minimize the size and the power consumption. CONSTITUTION: A gate driving circuit(150) feeds scan pulses to plural gate lines sequentially by integrating on an LCD panel. The gate driving circuit comprises one shift register. The shift register comprises a pull-up unit, a pull-up driving unit and a pull-down unit. The pull-up unit offers a clock signal to the gate lines. The pull-up driving unit drives the pull-up unit by responding to an output signal of a former stage. The pull-down unit offers a power voltage to an output terminal by responding to an output signal of a next stage. Therefore, the LCD secures the reliability and minimizes the size and the power consumption.
Patent KR-20020014785-A (KR)
Inventor: BAEK SEUNG MIN
IPC: G06K9/00
Filed: 2001-12-27
Abstract: PURPOSE: A network security method using the iris and face recognition is provided to check authorized passenger by checking the passenger listed at a blacklist and identifying the passenger with the check-in person through the iris and face examination. CONSTITUTION: The iris and face information is stored in an iris/face information database by inputting the iris and face information at the check-in procedure. After judging that the person processing the boarding procedure is listed at the blacklist by equipping a blacklist database as a list of the persons limiting the departure and entrance due to the legal regulation, the issuance of a boarding pass is decided by the judgment. When the passenger presents the boarding pass at boarding, the identification of the passenger is confirmed by searching the iris/face information database and the boarding is decided by the confirmation.
Patent KR-20010081985-A (KR)
Title: Starch debranching enzymes
IPC: C12N15/09
Filed: 1999-07-02
Abstract: The invention relates to a genetically engineered variant of a parent starch debranching enzyme, i.e. a pullulanase or an isamylase, the enzyme variant having an improved thermostability at a pH in the range of 4-6 compared to the parent enzyme and/or an increased activity towards amylopectin and/or glycogen compared to the parent enzyme, to methods for producing such starch debranching enzyme variants with improved thermostability and/or altered substrate specificity, and to a method for converting starch to one or more sugars using at least one such enzyme variant.
Patent KR-20010101522-A (KR)
Title: 단일 웨이퍼 어닐링 오븐
IPC: H01L21/00
Filed: 2000-11-29
Abstract: 본 발명은 처리하는 동안 반도체장치 또는 웨이퍼상의 온도를 등온 분포하기 위한 가열장치에 관한 것으로, 단일 반도체 웨이퍼를 수용하도록 구성된 챔버를 포함하고, 상기 챔버내에는 가열부재 또는 가열판이 내장되어 있으며, 상기 가열부재의 가장자리에는 열원이 배치되어 있고, 상기 열원으로부터 방사되는 열에너지는 상기 가열부재상의 등온 분포를 형성하기 위해 상기 가열부재를 통해 도전되며, 가열판에 근접한 웨이퍼를 지지하는 상기 가열판에 웨이퍼 지지수단이 포함되어, 상기 가열판의 온도가 상기 웨이퍼의 온도를 설정하도록 하고, 이러한 구성은 유리하게도 상기 웨이퍼상에서의 온도가 균일하게 등온으로 분포되도록 하는 것을 특징으로 한다.
Patent KR-20010108103-A (KR)
IPC: H05K13/04
Filed: 2000-01-12
Abstract: 본 발명은 캐리어 기판(12)의 단자부(28, 29)에 접촉 기판(11)의 단자부(26, 27)를 열적으로 접합하는 방법에 관한 것으로 상기 기판들(11, 12)은,상기 접합을 위해, 접합면에서 단자부들(26, 28;27, 29)끼리 서로 대향하도록 하는 접합점에 배열되며, 상기 접촉 기판(11)은 상기 접합면에서 접합 온도에 도달할 수 있도록 상기 단자부들(26, 27)과 대향하게 위치한 상기 접촉 기판의 후면으로부터 접합온도로 가열되며, 상기 접촉 기판(11)은 레이저 에너지에 노출됨으로써 가열되는 것을 특징으로 한다.
Patent KR-20010108167-A (KR)
Title: 테트라히드로이소퀴놀린알칸올 유도체 및 이를 함유하는약학적 조성물
Inventor: CHOI YONG MUN
Filed: 1999-02-04
Abstract: 본 발명은 다음 화학식 I로 표시되는 신규한 1,2,3,4-테트라히드로이소퀴놀린 카바메이트 및 티오카바메이트 유도체 및 그것의 약학적으로 허용가능한 무독성 염에 관한 것이다.  이 화합물은 우울증을 포함하는 중추신경계 질병 치료에 유용하다. 
     화학식 I 
     
       
     
     상기 식에서 
     X 1 및 X 2 는 서로 동일하거나 상이하고, 독립적으로 수소, 알킬, 알콕시, 티오알콕시, 할로겐, 히드록시, 니트로 및 트리플루오로카본으로 이루어지는 군으로부터 선택되는 일원이고; 
     Y는 산소 및 황으로 이루어지는 군으로부터 선택되는 일원이고; 
     R 1 은 수소, 알킬, 아릴알킬, 및 CONHR'로 이루어지는 군으로부터 선택되는 일원이고, 여기서 R'는 수소, 알킬, 아릴알킬 및 아릴로 이루어지는 군으로부터 선택되고; 
     R 2 및 R 3 은 서로 동일하거나 상이하고, 독립적으로 수소, 알킬, 아릴알킬, 및시클로알킬로 이루어지는 군으로부터 선택되는 일원이거나, 또는 R 2 및 R 3 은 이에 결합되는 질소원자와 함께 5 내지 7원 고리를 형성할 수 있고; 
     R 4 는 수소 또는 저급 알킬로 이루어지는 군으로부터 선택되는 일원이다.
Patent KR-20020007322-A (KR)
Title: An electrical coil module, an electrical coil comprising such modules, an actuation mechanism including such a coil and a circuit breaker comprising such an actuation mechanism
IPC: H01F5/00
Filed: 2000-03-08
Abstract: An electrical coil module of planar type manufactured by printed circuit techniques on a generally flat substrate (21) has a first layout (20) of conducing material constituting a first electrical conductor having an input terminal (23), arranged on one side of the substrate (21). A second layout (20') of conducting material constituting a second electrical conductor having an output terminal (24), is arranged on the opposite side of the substrate. The first and second conductors are connected by an electrical connection (22) through the substrate (21), so that an electrical voltage connected between the input and output terminals of the coil module will drive a current from one terminal through the conductor on one side of the substrate via connection (22) through the substrate and the conductor on the other side of the substrate to the other terminal.
Patent KR-20010111275-A (KR)
Title: 가압수 원자로 용기의 헤드용 안내 튜브를 연결하기 위한장치
IPC: G21C13/036
Filed: 2000-02-25
Abstract: 본 발명은 커버를 관통하는 원통형 몸체(3a)와 수나사(3c)과 함께 제공되는 헤드(3b)를 포함하는 안내 튜브(3)에 관한 것이다.  그에 따른 가압수 원자로 용기의 헤드용 안내 튜브 연결 장치는 상기 안내 튜브(3)의 헤드(3b) 상에 조립될 수 있고 상기 튜브 헤드(3b)로 밀봉하기 위한 수단(24)과 함께 제공되는 하우징(20)과, 상기 하우징을 안내 튜브(3)의 헤드 상으로 가압하는 힘을 제공하는, 상기 하우징(20)과 독립된 클램핑 수단(40)을 포함한다.
Patent KR-20020050755-A (KR)
Title: Multifunctional additive composition for cold process treatment of middle distillates
IPC: C10L1/22
Filed: 2000-04-21
Abstract: The invention concerns a composition of mulifunctional additives for cold process treatment obtained by reacting carboxylic compounds with amine compounds, characterized in that it contains at least 50 wt. % of a mixture consisting of 10 to 90 wt. % of an additive (AB) of a carboxylic compound (A) selected among maleic and succinic anhydrides, corresponding acids and esters with a polyalkylamine (B) and 90 to 10 wt. % of an additive (CD) obtained by reacting a copolymer (C) obtained by reacting a first unsaturated carboxylic acid with an alkylated ester of a second unsaturated carboxylic acid, identical to or different from the first, of general formula (II) R1R2C=CR3COOR4 wherein R1 and R2, identical or different, being hydrogen, a linear or branched C1-C20 alkyl radical; R3 is hydrogen or a linear or branched alkyl group with not more than three carbon atoms and R4 is hydrogen or a C1-C25 radical, with N-alkylpolyalkylenepolyamine (D).
Patent KR-20020012246-A (KR)
Title: Slurry composition and method of chemical mechanical polishing using same
IPC: C09K3/14
Filed: 2000-05-01
Abstract: The present invention provides a slurry composition for chemical mechanical polishing comprising spinel particles having the formula AO.xZ2O3 wherein A is at least one divalent cation, Z is at least one trivalent cation, and 0.01<=x<=100. The present invention also includes a method of chemical mechanical polishing the surface of a substrate using slurry compositions that include these spinel particles. The slurry compositions of the present invention provide the desired level of planarization and selectivity for both metal and oxide surfaces. In addition, the slurry compositions of the invention can be prepared such that they are substantially free of alpha phase alumina particles and other high hardness particles to produce a scratch-free polished surface.
Patent KR-20030063010-A (KR)
Title: GAS container management system using the RF label
Inventor: TAK CHUNG SIL
IPC: G06Q50/06
Filed: 2002-01-22
Abstract: PURPOSE: A system for managing a gas container is provided to realize safe distribution of a gas container, manage stocks, and computerize an inventory management using information recorded in an RF label by attaching the RF label capable of storing container specification information, charging information, and managing information on each gas container. CONSTITUTION: An RF label(20) is attached on a gas container(10). A selling store system includes an RF terminal(31) and a selling store computer(30) for reading and writing the RF label(20). A charging store system includes a charging store RF terminal(41), a charging system(42), and a charging store computer(40) for reading and writing the RF label(20). An inspection store system includes an inspection store RF terminal(51), an inspection system(52), and an inspection store computer(50) for reading and writing the RF label(20). A consumer group receives a gas container through the selling store system and possesses a meter(60) for measuring a usage of gas as the unit of volume.
Patent KR-20030064177-A (KR)
Title: A method of preparing copper powder from waste etchant
Inventor: WON CHANG HWAN
IPC: C25C5/02
Filed: 2002-01-26
Abstract: PURPOSE: A method for recovering high purity copper powder of fine particles from waste etchant containing copper using electrolyzer is provided. CONSTITUTION: The method comprises a step (S10) of agitating waste etchant (α-etchant); a step (S20) of adjusting concentration of copper contained in the waste etchant to 13.5 g/L; a step (S30) of injecting the waste etchant into electrolysis reaction container; a step (S40) of proceeding electrolysis collecting reaction as maintaining temperature inside the reaction container to 28 deg.C, pH to 8.6, current density to 6 A/cm¬2 and agitation speed of agitator to 150 rpm; a step (S50) of precipitating copper powder under the cathode by proceeding reaction so that electrolysis rate inside the reaction container is maintained to 1 g/h or more; a step (S60) of taking out and filtering the precipitates; and a step (S70) of drying the washed precipitates after washing the precipitates with water.
Patent KR-20030064216-A (KR)
IPC: G11B21/21
Filed: 2002-02-15
Abstract: 본 발명은 접촉면을 구비하는 디스크와 특징부 패턴을 갖는 표면을 구비하는 슬라이더를 포함하는 디스크 드라이브 시스템에 관한 것이다.  디스크 접촉면은 표면을 거칠게 하는 돌출부로 텍스처링된다.  디스크상의 돌출부 사이의 거리는 슬라이더 표면상의 특징부 사이의 거리보다 작다.