baber/WOPTO huggingface dataset:
Patent KR-20000000900-A (KR)
Title: Encoding method of preestimating conversion coefficient
Inventor: HAM CHEOL HUI
IPC: H03M7/40
Filed: 1998-06-05
Abstract: PURPOSE: An encoding method of preestimating conversion coefficient is provided to increase efficiency of data compression. CONSTITUTION: The method comprises steps of determining, selecting and outputting. In the determining step, a preestimating direction of conversion coefficient to be encoded is determined utilizing a difference among conversion coefficients quantized around a current block. In the selecting step, a conversion coefficient nearest the conversion coefficient of the current block to be encoded to the determined preestimating direction is selected. In the outputting step, a difference among conversion coefficients quantized to the determined preestimating direction is acquired, the acquired difference is added to the selected conversion coefficient, and the adding result is outputted as a preestimated value.
Patent KR-20000001102-A (KR)
Title: Exchangeable sacrificial anode rod for hot water boiler
Inventor: CHOI BYUNG IL
IPC: F24H9/00
Filed: 1998-06-08
Abstract: PURPOSE: An exchangeable sacrificial anode rod for a hot water boiler is provided to prevent a main body of a boiler or a hot-water supplier from corrosion caused by missing an exchanging time of a sacrificial anode rod. CONSTITUTION: An exchangeable sacrificial anode rod for a hot water boiler comprises:an exchangeable or a disposable magnesium rod(1) having a high ionization tendency installed in a main body of a boiler or a hot-water supplier; a magnesium rod cover(2) fixing on one side of the magnesium rod for a fixing rod(3) connecting a flange(6) to be installed; a packing(4) and an O-ring(5) installed for preventing leaking; the flange fixing firmly the magnesium rod in the main body of the boiler or the hot-water supplier; and the flange containing a loose preventing nut(7) preventing the magnesium rod from being loosed, the O-ring, a leakage checking bolt(9) for checking the life span of the magnesium rod according to the leaking condition by loosening from external.
Patent KR-20000002215-A (KR)
Title: Electrode for measuring device of water conductivity
Inventor: YUN SE WON
IPC: A24D3/16
Filed: 1998-06-17
Abstract: PURPOSE: An electrode for a measuring device of the water conductivity is provided to improve the accuracy and to easily assemble and repair the device. CONSTITUTION: The electrode is composed of:a housing(10) having a taper screw(11) for a pipe; an electrode installing unit consisted to make an outer electrode(20) and an inner electrode(30) to maintain a certain interval in an insulated state; and a guide(60) and a finishing material(70) for leading the electrode installing unit to be fixed and installed inside of the housing(30).
Patent KR-20000002226-A (KR)
Title: Transparent copolyester plate sheet
Inventor: KIM GYUNG A
IPC: C08G63/189
Filed: 1998-06-08
Abstract: PURPOSE: A copolyester plate sheet is provided which has transparency and excellent physical properties such as light transmittance and Hase characteristic. CONSTITUTION: The copolyester sheet, useful as transparent sound insulation wall and windowpane of high-rise building is prepared. For example, a mixture of terephthalic acid and ethylene glycol is melt-copolymerized with 3 mole % of 2,6-naphthalene dicarboxylate, 3 mole % of isophthalic acid and 3 mole % of 1,4-cyclohexanedimethanol based on the total acid component to give copolyester resin having intrinsic viscosity of at least 0.80, which is melted and extruded to give transparent sheet having light transmittance of 87% and Hase value of 3.1%.
Patent KR-20000007240-A (KR)
Title: Axial flow fan
Inventor: CHOI DONG GYU
IPC: F04D29/38
Filed: 1998-07-01
Abstract: PURPOSE: An axial flow fan is provided to improve the flow-increasing efficiency according to the input power as well as to reduce the noise. CONSTITUTION: The axial flow fan is formed by:a cylindrical hub(50) connected to a shaft of a motor and the like to accept the turning force; and plural wings(51) aligned with a specific interval on the outer circumference of the hub(50) to perform the ventilation, and formed so the central extension line of the wing toward the horizontal face to constitute the circular arc shape in a state of having a specific thickness.
Patent KR-20000008240-A (KR)
Title: Automatic locking device of vehicle door and method thereof
Inventor: PARK CHAN HONG
IPC: E05B77/44
Filed: 1998-07-10
Abstract: PURPOSE: An automatic locking device of a vehicle door is provided to prevent a vehicle and valuables from steal. CONSTITUTION: The automatic locking device comprises:a data processing unit(200) outputting after exchanging an input analog signal from a receiving unit(100) to a digital signal; a switching unit(300) turning on and off to inform the state of a vehicle door and handle; and a microcomputer(500) outputting a control signal by inputting the output signal from the data processing unit.
Patent KR-20000008549-A (KR)
Title: Semiconductor chip pad and fabricating method thereof
Inventor: LEE JIN SEO
IPC: H01L23/48
Filed: 1998-07-14
Abstract: PURPOSE: A semiconductor chip pad is provided to prevent crack of a metal open or an interlayer insulating film by not forming a contact in a center section of the pad. CONSTITUTION: The pad, connected to each pin of a semiconductor chip, receiving and transmitting a signal from/to a main chip region comprises a first conductive layer connected to the main chip region; an insulating layer formed on the first conductive layer; a second conductive layer stacked on the insulating layer, wherein a conductive wire is contacted with a center section of the second conductive layer; and many contact plugs formed to be arranged along an edge of the pad in a signal line, wherein an edge of the second conductive layer is downwardly extended to be simultaneously connected to the contact plugs, so that an insulating layer under the center of the second conductive layer is thicker than the insulating layer under the edge thereof.
Patent KR-20000008942-A (KR)
Title: Coloring method of aluminium kitchen ware
Inventor: KIM KI SEOB
IPC: C25D11/02
Filed: 1998-07-14
Abstract: PURPOSE: A coloring method of an aluminum kitchen ware by forming an anodized film on the surface is provided which can produce a harmless kitchen ware having various kinds of colors and tones on the internal surface. CONSTITUTION: The oxide coating of a porous layer(2) having many fine holes(3) is formed by anodizing the surface(1) of an aluminum kitchen ware in an electrolytic bath, and then the fine holes(3) are magnified at its lower part to form an expanded space section(4) in the same electrolytic bath by an electric wave, a metal electrodeposition(5) is formed on the expanded space section(4) by electrocoloring in a metal salt solution to form a semipermeable colored film on the fine holes(3). The process can form an innocuous electrolytic film having various kinds of colors and tones on the surface of the aluminum kitchen ware without using harmful dyes.
Patent KR-19980072083-A (KR)
Title: 투명부를 가진 전구의 알루미늄 증착장치
Filed: 1998-07-14
Abstract: (1) 청구범위에 기재된 발명이 속한 기술분야. 
     투명부를 가진 전구의 알루미늄 증착장치에 관한 분야. 
     (2) 발명이 해결하고자 하는 기술적과제. 
     종래에는 알루미늄을 전구내부 전체에 증착시킨후, 불산을 전구 하단부에 넣어 증착된 알루미늄을 용융시킨 뒤, 세척하여 투명부를 가진 전구를 형성하였으므로 수질오염을 야기시키면서 공정, 인력, 재료값이 많이 들어 원가상승을 초래하였음. 
     (3) 발명의 해결방법의 요지. 
     본 발명은 전구삽입부(4) 상단에 투명부형성용 갓(8)을 씌워 투명부와 증착부를 동시에 형성하고, 불산을 전혀 사용하지 않아 환경오염예방과 원가절감효과를 극대화시키려는데 요지가 있음. 
     (4) 발명의 중요한 용도. 
     투명부를 가진 전구를 생산하는 라인에 사용되는 장치임.
Patent KR-20000013379-A (KR)
Title: Hexahydro-1,2-benzisoxazol derivative
Inventor: YOO EUNG GUL
IPC: C07D261/20
Filed: 1998-08-07
Abstract: PURPOSE: A hexahydro-1,2-benzisoxazol derivative is excellent in weeding activity and innoxious to paddy rice. CONSTITUTION: A hexahydro-1,2-benzisoxazol derivative represented by the following formula, wherein Xn is a hydrogen, a C1-C3 alkyl group, a C2-C4 alkenyl group, a C2-C4 alkynyl group, a C1-C3 alkoxyl group, a C1-C3 haloalkyl group, a C1-C3 thioalkyl group, a C1-C3 alkylsulfenyl group, a C1-C3 alkylsulfonyl group, a halogen group, a nitro group, a nitrile group, or a composite substituent thereof; Yn is a hydrogen, a C1-C6 alkyl group, a halogen group, a nitro group, a nitrile group, or a composite substituent thereof; Yn is a hydrogen, a C1-C3 alkyl group, a halogen group, a nitro group, a nitrile group, or a composite substituent thereof; and R is a hydrogen or a methyl group.
Patent KR-19990076486-A (KR)
Title: 광강도 변환 소자, 광학 장치 및 광디스크장치
IPC: G11B7/1381
Filed: 1998-08-18
Abstract: 본 발명은 광강도 변환 소자 및 그와 같은 광강도 변환 소자를 사용한 광학 장치 및 광디스크 장치에 관한 것이며, 간단한 구성이며, 박형으로서 광강도 분포를 변환하여 출사할 수 있도록 하는 것을 목적으로 한다. 
     중심축선(12)과, 상기 중심축선에 대해 가로 방향으로 뻗는 제 1 곡면 표면(16)과, 상기 중심축선에 대해 가로 방향으로 뻗는 제 2 곡면 표면(18)과, 상기 제 1 곡면 표면과 상기 제 2 곡면 표면 사이에 뻗는 외주면(20)을 갖는 보디(14)를 구비하며, 상기 제 1 곡면 표면으로부터 입사한 입사광이 상기 제 1 곡면 표면으로부터 상기 보디에 입사할 때의 굴절에 의해 상기 보디 내의 일부 영역에서는 발산하고 상기 보디의 다른 영역에서는 수속하여, 입사광의 광강도 분포와는 다른 광강도 분포로서 상기 제2 곡면 표면으로부터 출사하도록 한 구성으로 한다.
Patent KR-20000014683-A (KR)
Title: Magnetic field generating device of sputtering system
Inventor: CHOI WON-KYOO
IPC: H01L21/203
Filed: 1998-08-24
Abstract: PURPOSE: A magnetic field generating device of sputtering system is provided to extend the exchange period of a target because erosion area is enlarged by preventing the concentration of the plasma, and to realize high density plasma and improve the thin film deposition efficiency. CONSTITUTION: In the magnetic field generating device of sputtering system generating magnetic field on the rear part of a thin film target by using plural magnets in order to promote the thin film deposition on a substrate by accelerating the plasma, said plural magnets is mounted on the rear end of said target to have different polarities in its both ends, and its same polarities are opposite each other on the rear center of said target and its different polarities are disposed on both rear sides of said target.
Patent KR-20000019159-A (KR)
Title: Manufacturing method of trench for separating semiconductor device
Inventor: JO GYEONG SU
IPC: H01L21/76
Filed: 1998-09-09
Abstract: PURPOSE: A manufacturing method of a trench is provided to prevent an upper angled corner of an oxidation layer pattern of the trench from being a particle source in a CMP(Chemical Mechanical Polishing) process. CONSTITUTION: A manufacturing method of a trench comprises the steps of: forming a pad oxidation layer and a nitride layer on a silicon wafer and forming a nitride layer and a pad oxidation layer pattern for a trench by a photo lithography; forming a trench by etching to a predetermined depth the silicon wafer exposed by using the nitride layer and the pad oxidation layer pattern as a barrier; evaporating a thick trench oxidation layer on the entire surface on which the trench is formed and patterning a trench oxidation layer pattern so that only the trench oxidation layer in the trench region is left by a photo lithography; planarizing the trench oxidation layer patten by a CMP process and eliminating the nitride layer and the pad oxidation layer pattern; and rounding both angled corners on the upper portion of the trench oxidation layer pattern before planarizing the trench oxidation layer pattern by a CMP process.
Patent KR-20000021056-A (KR)
Title: Method for forming solder bump
Inventor: KWON YONG HWAN
IPC: H01L21/60
Filed: 1998-09-25
Abstract: PURPOSE: A method of forming a solder bump is provided to improve a uniformity of size and to reduce manufacturing costs by using polyimide or BCB(Benzo Cyclo Butene) dam and thin photoresist layer. CONSTITUTION: A method comprises the steps of preparing a wafer formed a plurality of semiconductor devices having electrode pads(14), forming a metal layer(18) on the wafer, forming a polyimide or BCB dam(31) on the electrode pads to expose the metal layer, coating a photoresist layer on the polyimide dam(31) and the metal layer, filling a copper and solder plating layers(34,36) into the polyimide dam(31), removing the photoresist layer, and forming a solder bump(38) by reflowing the solder plating layer.
Patent KR-20000021942-A (KR)
Title: Automatic control method of relief pressure of construction machine
Inventor: LEE JEONG CHEOL
IPC: E02F9/20
Filed: 1998-09-30
Abstract: PURPOSE: An automatic control method is provided to improve a work efficiency by securing a continuous work by continuously operating as overcoming an overload of a work machine when an operation speed of the work machine is remarkably decreased due to the generation of the overload in a construction heavy equipment having a boom, an arm and a bucket and so on. CONSTITUTION: An automatic control method is performed in a controller for controlling an operation of a work machine by operating the signal inputted by being connected to an operator and a detection sensor. While working with a work machine consisted of multi-joints, if the operation speed of the work machine is decelerated under an established reference value due to the generation of the overload over a main relief pressure previously established in the work machine, the controller enables for the work machine to perform the continuous work by overcoming the overload of a present state by automatically increasing the main relief pressure by sensing.
Patent KR-20000024976-A (KR)
Title: Preparation method of neodymium halogen complex suitable to continuous 1, 3-butadiene polymerization
Inventor: KWAG GWANG HOON
IPC: C08F136/06
Filed: 1998-10-07
Abstract: PURPOSE: A preparation method of a neodymium halogen complex by dispersing in a non polar solvent is provided which raises the activity of a catalyst by increasing the number of an active part of a catalyst per the unit area of particles and inhibits the occurrence of sediments. CONSTITUTION: A method for the production of a neodymium halogen complex which is used for the polymerization of 1,3-butadiene for preparing 1,4-is polybutadiene includes the steps of pouring a non polar solvent into a neodymium halogen complex of the formula NDX3.Y in which Y is an electron donor compound; X is Cl, Br or I, stirring, heating and removing an organic complex. The complex is produced in a colloidal state of below 200 nm in size. Preferably the concentration of the colloidal solution is 0.01-1% Nd.
Patent KR-20000026386-A (KR)
Title: Pyramid type sauna facility
Inventor: O JOONG SE
IPC: E04H1/12
Filed: 1998-10-20
Abstract: PURPOSE: A sauna facility is provided to solve the problem of breathing due to vapor with high temperature not to get burned by establishing a heater at the center of a construction for heating the emitter of far infrared rays. CONSTITUTION: A construction of a sauna facility contains the steps of: installing bathes(33) by forming a floor(32) at the height of 1/3(H) of a pyramid typed construction(30) having an illumination window(31) and a ventilating opening(40), establishing a heating furnace(34) which is a heat source of the sauna facility at the floor of the center of a construction to be 1/2-2/3 of 1/3 height of the pyramid typed construction of the height of the heating furnace, establishing many pipes(37) in the heating furnace and filling with yellow soil and bio-ceramic(38) around the pipes, and equipping a hexagonal structure(39) supported at the rim of the opening in the floor(36) formed at the position(2H) of 2/3 of the pyramid typed construction.
Patent KR-20000031464-A (KR)
Title: Method for forming silicide of semiconductor device
Inventor: KIM JONG CHAE
IPC: H01L21/24
Filed: 1998-11-06
Abstract: PURPOSE: A method for forming a silicide is provided to prevent a loss of an oxide film around a trench region, and to secure a size forming a silicide layer. CONSTITUTION: A forming method of silicide is equipped processes of: forming a well(12), a trench region(13) and a gate(14) on a semiconductor substrate(11); depositing an isolating film in upper a front face of the semiconductor substrate after doping a dopant ion of low concentration on the well with the gate and the trench region as a mask, and forming a side wall (17) in the gate by over-etching until a region doped the dopant ion of low concentration; forming a polysilicon side wall around both sides of the region doped the dopant ion of low concentration by depositing and etching back a polysilicon in the upper front face of the semiconductor substrate; forming a source/drain by doping a dopant ion of high concentration on the well with the gate, the trench region, and the side wall as the mask; and forming a silicide layer(19) on the polysilicon side wall and the source/drain through a self-aligned silicide process. A deterioration of a junction leakage and of an insulation characteristic is prevented by cutting the form of the silicide layer until an exposed region of the semiconductor substrate according to the loss of the oxide film around the trench region, and a size forming the silicide layer is secured in a high integrated device.
Patent KR-20000031610-A (KR)
Title: Pll am/fm tuner capable of compensating temperature
Inventor: KANG SEOK WON
IPC: H04B1/18
Filed: 1998-11-07
Abstract: PURPOSE: A phase locked loop AM/FM tuner capable of compensating a temperature is provided to minimize a tracking error in case of equalizing a received radio signal, by maintaining the output level of the tuner to be a maximum and compensating the variance of a temperature around the tuner to output an equalizing signal. CONSTITUTION: An antenna(10) is connected sequentially to a first tuning circuit(30), a radio signal amplifying circuit(32), a second tuning circuit(34), a mixer(36), an intermediate frequency amplification circuit(38) and a quad detector(40). The first tuning circuit(30), the second tuning circuit(34) and the mixer(36) are connected respectively to a first digital/analog converter(42), a second digital/analog converter(44) and a third digital/analog converter(46). A controller(50) is also connected to the first digital/analog converters(42),(44) and (46). The controller(50) is further connected to a signal meter terminal of the quad detector(40). The mixer(36) is connected to a local oscillator(48), which is coupled to the controller(50) to form a phase locked loop. A temperature sensor(52) is installed in a location close to a tuner.
Patent KR-20000032935-A (KR)
Title: Electric field emmiter and method for manufacturing the same
Inventor: KIM TAE YOUNG
IPC: H01J1/30
Filed: 1998-11-18
Abstract: PURPOSE: An electric field emitter and a method for manufacturing the same is provided to increase the number of materials used as an emitter for cheaper boards, to simplify the production steps, and to enable a mass production by way of using emitters with uniform characteristics. CONSTITUTION: An electric field emitter includes a common cathode(34), a gate pattern(36), an emitter layer(40) and an insulator layer(38). The cathode is formed on a board(32). The gate pattern(36) is formed on the cathode(34) in order to attain a predetermined inclined surface. The emitter layer(40) is formed with a predetermined distance from the gate pattern and assumes an edge shape. The insulator layer(38) is formed between the common cathode(34) and the emitter layer(40).
Patent KR-19990045678-A (KR)
Title: 차량 바퀴용 타이어
IPC: B60C9/02
Filed: 1998-11-28
Abstract: 탄성재료 층(13b)에 포함된 종방향의 실모양 부재(13a)를 구비하는 스트립모양 부재(13)를 토로이달 서포트(11)상에 부착함으로써 적어도 하나의 카커스 플라이(3)가 형성된다.  스트립모양 부재(13)는 두 개의 방사상으로 연장된 측부(23a, 24a, 23c, 24c) 및 외부 위치에서 방사상으로 연장된 왕관부(23b, 24b)를 구비하는 교대 부착 부분(23, 24)에서 부착된다.  상기 각 부착 부분(23, 24)의 측부는 인접한 부착 부분에 속한 측부와 적어도 일부 겹치게 된다.  앵커 부재(31)의 외부에 축방향으로 원주방향으로 연장불가능한 환상 인서트(a circumferentially inextensible annular insert)(32)를 구비하는 환상 구조(4)는 카커스 플라이(3)와 결합된다.  벨트 구조(5), 트레드 밴드(8) 및 측벽(9)은 그와같이 형성된 카커스 구조(2)와 합해져서 가황 단계를 거치게 되는 타이어(1)를 정의한다.
Patent KR-20000034687-A (KR)
Title: Method for forming fluorescent layer of plasma display panel
Inventor: SIN GYEONG SEOK
IPC: H01J9/22
Filed: 1998-11-30
Abstract: PURPOSE: The fluorescent layer of plasma display panel is provided by which the fluorescent layer is formed continuously till the side of a separation wall for the surface area enlargement of the fluorescent layer, and then, after forming the separation walls, the print will be done thereon. CONSTITUTION: The method of forming the fluorescent layer of a plasma display panel consists of the following processes: After putting the printing mask on the top surface of the separation walls on which the resin layer being able to remove were layered, the paste of a fluorescent substance is printed therebetween, and then the resin layer is removed. According to this method, the following problems are inhibited that the paste of the fluorescent substance stays behind on the top of the separation wall and overcoats the adjacent pixel, and the print paste flows in the space between a print mask and a separation wall.
Patent KR-20000037548-A (KR)
Title: Method for manufacturing taxol using yew tree
Inventor: RHO MUN JONG
IPC: C12P17/02
Filed: 1998-12-01
Abstract: PURPOSE: A method for manufacturing taxol of formula (1) is provided which accumulates high concentration of taxol in the culture broth by culturing Pestalotia heterocornis in the medium including the powder or the extract of yew tree. CONSTITUTION: A taxol-producing bacteria such as Pestalotia heterocornis KCTC 0340BP are cultured in the medium including the powder or the extract of yew tree during the production of taxol. The production of taxol is increased from 30 μg to 3.7 mg based on 1 liter of medium by adding 0.5-100 g of yew tree into 1 liter of media. Any parts of yew tree such as root, stem, leaf, and so forth are available. The extract of yew tree is obtained by the extraction at 30-70°C for 1- 10 hours using methanol.
Patent KR-20000038642-A (KR)
Title: Brake system for freight train
Inventor: AHN YOUN GI
IPC: B61H11/00
Filed: 1998-12-08
Abstract: PURPOSE: A brake system for a freight train is provided to prevent misoperation and defect owing to air leakage and to enhance safety and braking force. CONSTITUTION: In emergency braking, a sudden fall of air in a braking air pipe(100) causes a sudden fall of pressure to an upper chamber(K) of a piston(12'). The pressure air in a lower chamber(O) raises the piston suddenly to open an emergency feed valve(6'). Then, the pressure air in an air container(BR) is supplied to a lower chamber(21) of a piston(28) and a working air container(KR). Therefore, braking force is obtained as high as the increased amount of a pressure air container(PR).
Patent KR-20000039270-A (KR)
Title: Reflection plate of reflection type liquid crystal display
Inventor: LEE JONG HOON
IPC: G02F1/1335
Filed: 1998-12-11
Abstract: PURPOSE: A reflection plate of reflection type liquid crystal display is provided to improve the reflection ratio, to prevent the reflection electrode from being disconnected, to simplify the operation of bump patterning process, and to equalize the bump pattern. CONSTITUTION: A reflection plate of reflection type liquid crystal display includes a substrate(21), a sealant(30) and a reflection electrode(31). The sealant(30) is formed on the substrate(21) and includes a plurality of balls and conduction powder. The reflection electrode(31) is formed on the sealant(30). The sealant further has at least one half of the diameter of the balls.
Patent KR-20000039443-A (KR)
Title: Method of oxy-fuel coating of mold with high-temperature abrasion-resisting oxy-fuel alloy
Inventor: KIM SEON BOK
IPC: C23C4/04
Filed: 1998-12-14
Abstract: PURPOSE: A spray coating method of a mold with a high-temperature abrasion-resisting alloy is provided to lengthen the life span of the mold. CONSTITUTION: A thermal spraying alloy is prepared by mixing clad tungsten carbide(WC-20Co) with cobalt thermal spraying alloy at a ratio of 2:8-5:5. The thermal spraying ally is used in coating a mold by having excellent mechanical characteristic. That is, the rupture strength and toughness increases and Young's modulus is reduced totally depending on the adding amount of the cobalt thermal spraying alloy. The thermal spraying alloy excellent in durability and toughness is obtained by adding 40wt% of cobalt thermal spraying alloy.