baber/WOPTO huggingface dataset:
Patent KR-20000025715-A (KR)
Title: Process for chromium carbide powder using self-propagating high-temperature synthesis
Inventor: WON CHANG WHAN
IPC: C04B35/057
Filed: 1998-10-14
Abstract: PURPOSE: A process for chromium carbide powder is characterized by manufacturing pure chromium carbide(Cr3C2) from chromium oxide(Cr2O3), magnesium(Mg) and carbon(C) powder by using self-propagating high-temperature synthesis. And a process for chromium carbide powder is simple manufacturing process, have a high energy efficiency and is economical because of proceeding burning reaction of reactant automatically by self-calorific value. CONSTITUTION: A process for chromium carbide powder comprises the following steps of: mixing chromium oxide(Cr2O3), magnesium(Mg) and carbon(C); drying firstly the mixture; forming first dried mixture to pellet; burning the pellet by charging in reactor chamber of self-propagating high-temperature reactor; leaching magnesium oxide(MgO) as intermediate state from the burning product by bleeding the burning product from the reactor chamber; and drying secondary the product after washing sufficiently.
Patent KR-20000026868-A (KR)
Title: Bolometer absorbing infrared rays
Inventor: KIM DONG GYUN
IPC: H01L31/09
Filed: 1998-10-23
Abstract: PURPOSE: A bolometer absorbing infrared rays is provided to increase a mass stiff moment of a connected part of an absorber, so that an influence of a lead unit transformation does not greatly affect a transformation of the absorber. CONSTITUTION: A bolometer absorbing infrared rays comprises a lower level(10) and a detecting level(11). The lower level(10) has an IC(Integrated Circuit) on a silicone substrate. The detecting level(11) is composed of an absorber(11a) including a spiral-typed resistance line and a lead unit(11b) supporting the absorber(11a), and is rising on the lower level(10). The bolometer narrowly forms the width of a connected part, joined from the lead unit(11b) to the absorber(11a), and widely forms the width of a connected part, joined from the absorber(11a) to the lead unit(11b).
Patent KR-20000027105-A (KR)
Title: Expanding device for sizing middle shell of rotary type compressor of air conditioner
Inventor: LEE YEONG JE
IPC: F04C29/00
Filed: 1998-10-27
Abstract: PURPOSE: An expanding device for sizing a middle shell of a rotary compressor of an air conditioner having a simple structure is provided to expand the diameter of an inner and an outer faces precisely at first and second expanding steps. CONSTITUTION: An expanding device(200) forms shells(50,90) over a certain roundness by expanding the diameter of an inner face and compressing to make the inner face to be precise. The shells are expanded by inserting the shells to the outer face of jaws(210) at a shrinking position, descending a connecting rod(201) by operating a reciprocating tool such as a fluid cylinder, descending a cone(220) and a divided cone(220') with a shaft(203) and moving each jaw while being guided by the inner faces of an upper supporting block(250) and a lower supporting block(240) at a supporting guide part(212) by the interaction of a slide inclined face(225) of the divided cone and a slide inclined face(215) of the jaws.
Patent KR-20000028300-A (KR)
Title: Selection method of referential mixing amount of recycled asphalt mixture for heating site
Inventor: MOON JAE SIK
IPC: E01C7/18
Filed: 1998-10-30
Abstract: PURPOSE: A selection method of a referential mixing amount is provided to quickly use pavement material of waste asphalt taken off after cutting a paved road to install various kinds of underground facilities while producing the mixture by heating and mixing. CONSTITUTION: A selection method of a referential mixing amount contains the steps of: dividing waste asphalt paving material collected from each area into three groups by aging years, classifying waste asphalt concrete or RAP(Reclaimed Asphalt Pavement) as a surface layer and a base layer to analyze the characteristic of aging of asphalt, deciding an addition rate for obtaining an objective intrusion degree(60-70) or an objective viscosity(1600-2400ps) with asphalt emulsion or rejuvenator, combining a particle size of optimum aggregate, and adding old asphalt of RAP and new asphalt to examine a viscosity and an intrusion degree. Herein, if the viscosity and the intrusion degree do not satisfy a regulation, a combination rate of the RAP and the new aggregate are controlled, and if the regulation is satisfied, the amount of optimum asphalt is obtained through a combination design.
Patent KR-20000004864-A (KR)
Title: Mobile computer
Inventor: TOYOSATO KAZYUKI
IPC: G06F1/20
Filed: 1998-11-06
Abstract: PURPOSE: A mobile computer is provided, which can operate by a hands-free method. CONSTITUTION: A mobile computer comprises: a computer housing (26), wherein includes entire components of conventional computer having a front portion, rear portion, upper portion, lower portion, and side portion section; a hands-free active means; and an attaching means for attaching the computer housing (26) to user, wherein the rear portion section has a means for attaching a cable to itself and the lower portion section is positioned on the body of user when the computer is attached, and wherein the side section having an upper-side portion section and a lower-side section, which the upper-side section is formed as a heat conduction material and the lower-side section is formed as a heat insulation material. Therefore, the heat occurred by CPU positioned in the computer housing is efficiently processed.
Patent KR-20000032261-A (KR)
Title: Device for deposition on the chemical substrate under low pressure for manufacturing semiconductor element
Inventor: PARK HOON SOON
IPC: C23C16/00
Filed: 1998-11-13
Abstract: PURPOSE: A device for deposition on the chemical substrate is provided, which prevents gas nozzle from bending. CONSTITUTION: The load-lock chamber(L/C) is located under the outer tube(OT), flange(F)is placed between OT and L/C, a first seal ring is placed between an opened part of OT: an opened part over the flange and a second seal ring(SR2) are placed between an opened part under the flange and an opened part over the L/C. The processing chamber comprises outer tube and inner tube, wafer boat(B) is loaded in the inner tube and the bottom of the boat is suspended by the boat supporter. The gas-injecting part(Pi) and outlet(Po) are placed beside the flange, Pi is connected to the nozzle and upper part of the nozzle is suspended by the hole.
Patent KR-20000033815-A (KR)
Title: Apparatus for reducing fuel using ionized foam state
Inventor: CHO SANG YEUN
IPC: F02M27/00
Filed: 1998-11-26
Abstract: PURPOSE: An apparatus for reducing fuel using an ionized foam state is provided to smoothly operate a vehicle and to save fuel, exhaust gas and engine noise by mixing ionized fuel with foam generated in an inverted triangular screw. CONSTITUTION: An apparatus for reducing fuel has the structure of a long screw form to mix ionized fuel with foam when the fuel passes an inverted triangular screw apparatus(2) after the fuel is ionized through strong magnetic force(1). An apparatus for introducing fuel generates foam to fill up the difference between the introduced and discharged amount of fuel. The fuel rotates along the long inverted triangular screw to mix itself with the foam. Therefore, the apparatus for reducing fuel saves fuel and exhaust gas.
Patent KR-20000034328-A (KR)
Title: Discontinuity measurement apparatus of metal plate using impact tester
Inventor: KIM PAN SOO
IPC: G01N29/04
Filed: 1998-11-30
Abstract: PURPOSE: A discontinuity measurement apparatus of metal plate using impact tester is provide so that the quality of welding part can measure easily by impacting an exchangeable ball metal with a driving device. CONSTITUTION: A discontinuity measurement apparatus of metal plate using impact tester includes a microprocessor. The microprocessor changes a frequency and a pulse width and detects conditions which become maximum the information. A Ball metal is suspended at the end of lever and a harmonic bouncing is brought out by the operation at the other end of the lever. Since the ball metal is worn out, frequently it is to be changed.
Patent KR-19990062864-A (KR)
Title: 용량 제어를 위한 펄스 유동
IPC: F25B40/02
Filed: 1998-12-07
Abstract: 냉동 또는 공조 회로의 용량 조정에 있어서의 단계적 제어는 통과 유량비를 조정하는 밸브의 개방 시간 비율로 흡입 라인, 이코노마이저 회로 또는 바이패스에서의 솔레노이드 밸브를 신속하게 순환시킴으로써 이루어진다.  압축기에서의 공통 포트는 이코노마이저 유동 및 바이패스를 위해 사용된다.
Patent KR-20000038906-A (KR)
Title: Reflection plate of reflection type liquid crystal display device
Inventor: LEE JAE YOON
IPC: G02F1/1335
Filed: 1998-12-10
Abstract: PURPOSE: A reflection plate of a reflection type liquid crystal display device is provided to prevent hill lock due to high temperature heat manipulation for better performance of the reflection plate. CONSTITUTION: A reflection plate of a reflection type liquid crystal display device includes a substrate, gate electrodes(22,25), a gate pad electrode(29), a dielectric layer(32), and a reflection electrode(31). The liquid crystal display device is formed on the substrate. The gate electrodes(22,25) is formed on the substrate and includes AlNd. The gate wiring or the gate pad electrode(29) are also formed on the substrate and include AlNd. The dielectric layer(32) is formed on the gate electrodes, the gate wiring, and the gate pad electrodes. The reflection electrode(31) is formed on the dielectric layer and includes the reflection electrode.
Patent KR-20000041420-A (KR)
Title: Full cmos sram cell having power electrode
Inventor: HONG SEONG TAEK
IPC: H01L21/8244
Filed: 1998-12-22
Abstract: PURPOSE: A full CMOS SARM cell is provided to prevent a latch-up occurred in a cell effectively. CONSTITUTION: A full CMOS SRAM cell comprises a power supply electrode(17) which is contacted with an n+ well pickup region(15) through a p+ active region(12) form at a surface of an n-type well(11). Between the power supply electrode(17) and a semiconductor substrate(10) are interposed a poly interlayer oxide film(13), a borophospho silicate glass(BPSG) film(14) and a barrier metal film(16). A reflection prevention film(18) is formed on the power supply electrode(17).
Patent KR-20000042382-A (KR)
Title: Acquisition method of full reflection conditions for detecting micro amount of metal impurity on surface of wafer
Inventor: KIM HEUNG RAK
IPC: H01L21/66
Filed: 1998-12-24
Abstract: PURPOSE: An acquisition method of full reflection conditions for detecting micro amount of metal impurity on surface of wafer is provided to capture and compare the light reflected on the surface of the wafer with incident light, thereby inducing the full reflection conditions. CONSTITUTION: An acquisition method of full reflection conditions for detecting micro amount of metal impurity on surface of wafer comprises steps of: radiating radiant light from a radiant light accelerator on a silicon wafer by passing the light through slits for adjusting the light; capturing and comparing the light reflected on the surface of the wafer with the radiant light; and acquiring the full reflection conditions by using the ratio of elapsed time and detection strength.
Patent KR-20000042832-A (KR)
Title: Semiconductor memory
Inventor: CHO SEONG HO
IPC: G11C29/00
Filed: 1998-12-28
Abstract: PURPOSE: A semiconductor memory having a redundant column select line is provided to relieve defect bit lines existed in two banks by using one redundant bit line. CONSTITUTION: First/second fuse sets(228,230) contain the column address of a defect bit line. Herein, the column addresses of defect bit lines in different banks are stored. When column address(ADD) is inputted to the fuse sets, the column address is compared with the stored column address of defect bit line. If the addresses are identified, redundant column select enabling signals(RYSEN1,RYSEN2) are activated for inactivating a column decoder(226). First and second redundant column select signals(RYS) are generated in the fuse sets for reading/writing data on a memory cell connected to a redundant bit line(BLR). The first and second redundant column select signals are transferred to the banks as a redundant column select signal. Herein, the defect bit line in any bank is relieved.
Patent KR-20000043849-A (KR)
Title: Method for producing oxidized zinc powders using generated heat at synthetic reaction
Inventor: LEE JUN GEUN
IPC: C22B19/38
Filed: 1998-12-29
Abstract: PURPOSE: A method is provided to produce oxidized zinc powders by generating a zinc gas with reducing or evaporating a raw material mixed with an oxidized zinc and a zinc in a rotary kiln and by oxidizing again. CONSTITUTION: Cokes is mixed in a raw material mixed with an oxidized zinc, a zinc and other impurities. The prepared raw material is continuously inputted in a rotary kiln heated over 900°C by burning a raw material such as a LPG, a liquefied propane gas and a coal with air. A degree to convert to a zinc gas is decided by measuring a weight reduction of raw material generated due to a progress of reaction. The generated zinc gas is oxidized by contacting with air inside the same rotary kiln. The air is supplied in a regular part inside the rotary kiln through a separated inlet.
Patent KR-20000045299-A (KR)
Title: Method for manufacturing semiconductor device
Inventor: KIM JEONG HO
IPC: H01L21/76
Filed: 1998-12-30
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to improve an electric feature of the semiconductor device by forming an isolation film using a wet etching and by reducing the stress in a side wall of a trench. CONSTITUTION: A pad oxide layer(21) and a nitride layer(22) are sequentially formed on a semiconductor substrate(20). A non-active area of the semiconductor substrate(20) is exposed by etching the pad oxide layer(21) and the nitride layer(22). A trench(23) is formed by etching the exposed semiconductor substrate(20). Then, a surface of the trench(23) is firstly oxidized so as to form a first thermal oxide layer on the surface of the trench(23). After removing the first oxide layer, the surface of the trench(23) is secondly oxidized so as to form a second thermal oxide layer(24) on the surface of the trench(23). An insulation film(25) is filled in the trench(23). The insulation film(25) is etched until the nitride layer(22) is exposed. After removing the nitride layer(22), an isolation film(25A) is formed. Ions are implanted into the isolation film(25A), so a nitrogen ion injection layer is formed in the isolation film(25A) and the semiconductor substrate(20).
Patent KR-20000045691-A (KR)
Title: Dual chip package
Inventor: YEOM JIN SEON
IPC: G11C16/20
Filed: 1998-12-30
Abstract: PURPOSE: A dual chip package is provided to singularize a manufacturing line of the dual chip, thereby simplifying a fabricating and assembling process of a memory device and thus increasing a productivity. CONSTITUTION: A dual chip package comprises a first memory chip having a first optional pad and a second memory chip having a second optional pad. The first and second memory chips are respectively connected through the first and second optional pads to each power source which is different each other. The first and second memory chip comprise a memory cell array with memory cells, a page buffer for detecting a data of the memory cell, a global buffer for receiving and transferring an outer address and a command, a data input/output buffer for inputting and outputting the data, a command register for receiving the command and a pulse signal and generating a master signal to control a program, and a chip-selecting and mode controlling circuit which determines whether a chip is selected and by which the data input/output buffer is non-activated when the chip is not selected.
Patent KR-20000046174-A (KR)
Title: Voice processing system having 2 tuners
Inventor: LEE JOON HO
IPC: H04N5/60
Filed: 1998-12-31
Abstract: PURPOSE: A voice processing system having 2 tuners is provided to implemented a CANAL+(premiere) system having 2 tuners for TVCR of PAL/SECAM types. CONSTITUTION: A voice processing system having 2 tuners includes a first tuner(121), a second tuner(122), a first intermediate frequency modulator(130), a second intermediate frequency modulator(150), a first switch(180), a second switch(170) and a signal demodulator(210). The first tuner(121) receives first channel broadcasting signal. The second tuner(122) receives second channel broadcasting signal. The first intermediate frequency modulator(130) converts the output of the first tuner to a middle band signal. The second intermediate frequency modulator(150) converts the output of the second tuner to a middle band signal. The first switch(180) generates a first and a second signals. The signal demodulator(210) demodulates the first signal from the first switch.
Patent KR-20000046498-A (KR)
Title: Extruder for copolymer polyester resin
Inventor: NO JAE KYEONG
IPC: B29C47/00
Filed: 1998-12-31
Abstract: PURPOSE: An extruder for copolymer polyester resin is provided which installs an additional quantitative pump at the front of stand and suggests a suitable standard setting of stand, so it improves an extrusion molding property and a fusion(melting) stability, minutes the standard of ROD, reinforces the self-hardness of ROD, and increases the cutting-proof of ROD. CONSTITUTION: An extruder for copolymer polyester resin is comprised of stand(1) having a fixed diameter(D) of standhole(2) and a length(L); a tube(5) having a fixed internal diameter(D') and a length(L') which is attached to the standhole(2) of stand(1); and a quantitative pump(6) installed at the opposite part of standhole(2) to the tube(5) and supplying the copolymer polyester resin in a uniform amount.
Patent KR-19990064185-A (KR)
Title: 조절가능한 토오크를 갖는 구동 유니트
IPC: H02K7/116
Filed: 1996-10-14
Abstract: 본 발명은 초점이 동일하며 서로 마주보는 평행한 제 1부와 제 2부를 구비하면서 포물선형 횡단형상을 갖는 중공 광 가이드에 관한 것으로서, 이 광가이드는 프리즘 광 가이드나, 금속 미러 광 가이드 또는 다중층 절연 광가이드같은 다른 중공의 광가이드가 될 수도 있으며, 그 횡단형상은 그 형상의 초점길이의 3배(바람직하기로 약 2.5배)를 초과하지 않는 거리로 분리된 정점들을 갖게 된다.
Patent KR-20000064466-A (KR)
IPC: C03B20/00
Filed: 1996-12-12
Abstract: The present invention is directed to a method for making fused silica glass. A liquid, preferably halide-free, silicon-containing compound capable of being converted by thermal oxidative decomposition to SiO2 is provided and introduced directly into the flame of a combustion burner, thereby forming finely divided amorphous soot. The amorphous soot is deposited on a receptor surface where, either substantially simultaneously with or subsequently to its deposition, the soot is consolidated into a body of fused silica glass. The invention further relates to an apparatus for forming fused silica from liquid, preferably halide-free, silicon-containing reactants which includes: a combustion burner which, in operation, generates a flame; an injector for supplying a liquid silicon-containing compound to the flame to convert the compound by thermal oxidative decomposition to a finely divided amorphous soot; and a receptor surface on which the soot is deposited.
Patent KR-20000010602-A (KR)
Title: Deicing composition and method
Inventor: JEANC JOJI A
IPC: C09K3/00
Filed: 1997-03-19
Abstract: PURPOSE: Disclosed is a new and improved, environmentally acceptable and negligibly corrosive deicing composition comprising by-products from the production of cheese from various milks. CONSTITUTION: The active ingredients of the present invention are the liquids that remain after the coagulated cheese has been removed from the milks, the liquids being commonly known in the cheese making industry as whey. The invention also relates to the use of a deicing composition in a manner that helps to reduce the buildup of snow and ice on roads, bridges and other outdoor surfaces.
Patent KR-20000016462-A (KR)
Title: Method and apparatus for three-dimensional photography
Inventor: NEMIROVSKIY YEVEGENIY
IPC: H04N13/349
Filed: 1996-06-03
Abstract: PURPOSE: An improved method and apparatus for the production of three-dimensional images utilizing a multi-lens camera and a multi-lens enlarger configured according to a standard of arrangements is disclosed. CONSTITUTION: The number of lenses used in the camera and printer is selected to be greater than the resolution capabilities of the human eye and the lenticular print system. The width of a zone of the lineform image is determined by the distance between two adjacent images on the focal plane of the lenticular screen (10) of a point projected from a distance at or beyond the distance limit through adjacent projecting apertures of the enlarger. The projecting (182, 186, 188) apertures of the enlarger are linearly arrayed and equally spaced within the unique accepting angle corresponding to the distance limit to construct a lineform image without gaps between zones and without gaps between lines. Accordingly, a three-dimensional image having orthoscopic effect, and without stroboscopic effect, is produced in a one-step imaging and one-step composing process.
Patent KR-19990068006-A (KR)
Title: 금속 산화물 반도체내에 사용되는 적층 스택 및 그 제조 방법과, 상보형 금속 산화물 반도체 소자
IPC: H01L29/49
Filed: 1999-01-20
Abstract: 본 발명은 금속 산화물 반도체에 사용될 수 있는 적층 스택을 제공하는 것으로서, 적층 스택은 상보형 금속 산화물 반도체(CMOS) 소자와 같은 반도체 소자에서 사용될 수 있는 게이트 스택일 수 있고, 서로 접촉하고 있는 제 1 도핑 영역과 제 2 도핑 영역을 구비한 이중 도핑층과 이 이중 도핑층 상부에 위치하여 제 1 및 제 2 도핑 영역들과 겹쳐진 장벽층을 포함하되, 장벽층이 질화된 금속 규화물을 포함하도록 할 수도 있으며, 장벽층 상부에 위치하고 보조 전도층 금속 규화물을 구비한 보조 전도층(ancillary conductive layer)을 추가로 포함할 수도 있다.
Patent KR-20000051256-A (KR)
Title: Cathode ray tube
Inventor: PYEON DO HUN
IPC: H01J29/86
Filed: 1999-01-20
Abstract: PURPOSE: A cathode ray tube is provided to minimize screen distortion caused by intensity and deflection of a shadow mask, by optimizing a ratio of a thickness in a peripheral portion of a panel to a thickness in a diagonal portion. CONSTITUTION: A cathode ray tube comprises a panel(8), a shadow mask, and a neck. The panel has a flat internal surface and an external surface having a constant curvature. The shadow mask has a curvature corresponding to the internal surface of the panel. The neck includes a funnel connected to the panel and an electron gun connected to the funnel. The panel satisfies the following mathematical formula 1 and 2 when Tv is a thickness of a long side encountering a vertical axis(V1), Th is a thickness of a short side encountering a horizontal axis(H1), and Td is a thickness in a diagonal direction. The formula 1 is that Tv/Td is not less than 0.75 and is not more than 0.93. The formula 2 is that Th/Td is not less than 0.75 and is not more than 0.85.
Patent KR-19990037882-A (KR)
Title: 차량용리프트
IPC: B60S9/00
Filed: 1999-02-10
Abstract: 본 발명은 리프트의 동조바의 구성을 생략할 수 있도록 된 새로운 구조의 차량용 리프트에 관한 것이다. 
     본 발명에 따르면,  다수개의 유압실린더를 이용하여 차량을 들어올릴 수 있도록 된 차량용 리프트에 있어서, 상기 유압실린더는 유압펌프에 연결된 복동실린더(24)와, 이 복동실린더(24)에 직렬연결된 단동실린더(26)로 구성된 것을 특징으로 하는 차량용 리프트가 제공된다.
Patent KR-19990072972-A (KR)
Title: 반도체메모리장치
IPC: G11C11/41
Filed: 1999-02-26
Abstract: 반도체 메모리장치는,  메모리셀 어레이,  판독/기입(read/write) 제어회로,  신호발생기,  그리고 기입오류 방지회로를 포함한다.     메모리셀 어레이에서,  복수의 메모리셀은 복수의 워드선 및 비트선의 교점에 형성된다.     판독/기입 제어회로는,  판독/기입모드를 나타내는 모드설정신호,  데이터 입력신호,  그리고 어드레스신호에 따라 메모리셀 어레이로부터의 데이터판독 및 메모리셀 어레이로의 데이터기입을 제어한다.     신호발생기는,  모드설정신호가 기입모드를 나타낼 때 원샷펄스신호(one-shot pulse signal)를 발생시킨다.     기입오류 방지회로는,  신호발생기로부터의 원샷펄스신호에 의해 메모리셀 어레이의 비트선을 프리차지한다.
Patent KR-20000059863-A (KR)
Inventor: LEE YEONG JAE
IPC: G07B11/00
Filed: 1999-03-09
Abstract: PURPOSE: A parking charge automatic calculator is provided to enhance a usage convenience and prevent a user's error. CONSTITUTION: A card recognizing apparatus(120) is installed in an engaging section(S2) of a main body casing(110) sectioned by a plurality of engaging sections(S) on a lower portion of an inner space for reading a parking card. The main body casing(110) has a certain size and is formed of plates having certain thickness and is formed in a box shape. A plurality of engaging sections(S) are formed at a lower portion of the rectangular box and has a predetermined distance in a vertical direction. The card recognizing apparatus(120) is installed in an upper portion of the second engaging section(S2). A bill discharging apparatus(130) is installed at a lower portion of the card recognizing apparatus(120) for discharging bill.