baber/WOPTO huggingface dataset:
Patent KR-20000061842-A (KR)
Inventor: LEE SANG DON
IPC: H01L21/328
Filed: 1999-03-31
Abstract: PURPOSE: A method for manufacturing a MOS(metal oxide semiconductor) transistor is to form an oxide prevention film on the side surface of a metal gate, to form a polycrystalline silicon gate and to form a reoxidation film for restoring the damage for the side surface of the polycrystalline silicon gate, thereby improving the property of device using the previous process. CONSTITUTION: A method comprises the steps of: forming a metal gate(6); forming an oxide prevention film(13) on the side surface of the metal gate; forming a polycrystalline silicon gate(4) with a process of etching using a metal gate mask; and forming a reoxidation film(14) for restoring the damage for the side surface of the polycrystalline silicon gate, thereby allowing to improve the property of MOS transistor without using additional gas.
Patent KR-20000061896-A (KR)
Title: Repair circuit of memory device
Inventor: HAN YEONG SEONG
IPC: G11C29/00
Filed: 1999-03-31
Abstract: PURPOSE: A repair circuit of a memory device is provided which can maximize the efficiency and the area usage of a chip and also can perform the repair even in a package level. CONSTITUTION: A repair circuit of a memory device reduces the number of redundancy word lines and controls one redundancy word line through two fuse boxes and forms the fuse box with an anti-fuse(AF). The repair circuit comprises: a plurality of word lines formed on a number of cell blocks constructing a cell array block; a number of word line control circuit controlling one redundancy word line formed on the cell blocks and also controlling another redundancy word line of the adjacent cell block selectively; a first and a second fuse boxes controlling the operation of the adjacent redundancy word line by seletively share a redundancy word line controlling circuit.
Patent KR-19990082854-A (KR)
Title: 음성 인식 잡음 제거 장치 및 음성 인식 잡음 제거 방법
IPC: G10L15/20
Filed: 1999-04-01
Abstract: 음성 입력부는 음성 인식 장치를 이용하여 사람의 발성 또는 주변 영역에서 발생되는 잡음의 음성을 입력하여 음성 신호를 출력한다.  단어 사전부는 음성 단어 데이타를 저장하는 음성 단어 저장부와 잡음 단어 데이타를 저장하는 잡음 단어 저장부를 포함하여 사전 데이타를 출력한다.  표준 패턴 저장부는 표준 패턴 데이타를 출력한다.  음성 인식부는 단어 사전부로부터의 사전 데이타 및 표준 패턴 데이타에 의해 입력 음성 신호의 인식 처리를 실행하여 음성 인식 데이타를 출력한다.  음성 인식 데이타를 수신하여, 음성 인식 출력부는 음성 인식 결과를 출력한다.
Patent KR-20000067526-A (KR)
Inventor: KIM GI BEOM
IPC: H04B1/40
Filed: 1999-04-29
Abstract: PURPOSE: An apparatus for controlling a radio frequency(RF) terminal receiving gain attenuator of a mobile communication terminal is provided to use resistance characteristics changed according to a current when a forward voltage is applied to a diode by an OP amplifier to satisfy receiving inter modulation distortion(IMD) characteristics, so as to increase a selectivity in a base band ASIC(BBA) chip to improve a frame erasure rate(FER). CONSTITUTION: A duplexer(10) transceives signals through an antenna. A diode(D1) connected between condensers(C2,C3) connects or intercepts radio frequency(RF) signals. A low noise amplifier(LNA)(20) amplifies outputted signals of the duplexer to predetermined levels. The condensers intercept direct current(DC) levels among the outputted signals of the LNA. A saw filter(30) filters signals through the condenser(C3), and transmits the filtered signals to a down converter.
Patent KR-20000073456-A (KR)
Inventor: KIM HAK CHOUL
IPC: H04R1/08
Filed: 1999-05-11
Abstract: PURPOSE: A mike having decoration means is provided which is substituted for a part of decorations which is laid on a rostrum. CONSTITUTION: The mike (18) is installed into a flower leaf (16) of artificial flowers, an electric wire is installed into a trunk (14) of the artificial flowers and connected with the outside through a pot. The decorations may be a doll in human or an animal shape.
Patent KR-20000074492-A (KR)
Title: 유체 혼합 장치
Filed: 1999-05-21
Abstract: 본 발명은 각방향(角方向)을 따라 소정 간격으로 배설되고 축방향으로 연장되는 복수의 블레이드(5)를 포함하는 유체 혼합 장치(1)를 제공한다.  각각의 블레이드(5)는 나선형으로 형성된 복수의 가이드부(53) 및 상기 가이드부(53)에 연결되고 가이드부(53)에 의해 축방향으로 이격되는 복수의 내충격부(耐衝擊部)(51)를 포함한다.  각 블레이드(5)의 내충격부(51)는 블레이드(5) 중 하나에 인접한 비꼬인 가이드부(53)와 함께 원주방향으로 정렬된다.  상기 각각의 비꼬인 가이드부(53)는 비꼬인 표면을 가진다.  각 블레이드(5)의 내충격부(51)는 원주방향을 따라 블레이드 중 인접한 것의 비꼬인 표면(531)에 대면하는 평탄면(512)을 가진다.
Patent KR-20010001579-A (KR)
Inventor: KIM TAE OH
IPC: A41B11/00
Filed: 1999-06-07
Abstract: PURPOSE: Provided is a pair of socks that contains mugwort extract for preventing eczema and athlete's foot. Mugwort has 0.2 wt.% of terpineol comprising cineol, thujong, sesquiter-pen, adenine, chorine. CONSTITUTION: To prepare the mugwort extract, first dried mugwort is boiled in water at 100 deg.C and this is mixed with dyeing composition in a ratio of 2:8. With this mixture, socks are dyed.
Patent KR-20010008523-A (KR)
Inventor: KIM NAM SIK
IPC: H01L21/28
Filed: 1999-07-01
Abstract: PURPOSE: A method for making a metal contact of a semiconductor device is provided to make a metal wiring of a low contact resistance at a metal contact hole of a small aspect ratio, by directly forming a titanium-silicide without a heat treatment on a diffusion layer through CVD method having a superior step coverage. CONSTITUTION: A gate oxide layer(30) and a polysilicon layer(40) are deposited on a semiconductor substrate(10) so as to form a gate electrode, and a spacer(50) and a diffusion layer(60) are formed. a barrier oxide layer(70) for preventing a silicide generation is deposited on a part not forming a silicide. A metal layer(80) for forming a silicide is formed on the resultant structure, thus the first metal silicide layer(90) is formed by the first heat treatment. The metal layer is removed by a selective wet-etching method, and then the second heat treatment is performed. An interfacial insulating layer is deposited on the resultant structure, and a contact hole is patterned. The second metal silicide layer(95) is formed on a lower part of the contact hole.
Patent KR-20010009279-A (KR)
Inventor: LEE BYEONG YONG
IPC: C21D8/02
Filed: 1999-07-08
Abstract: PURPOSE: A method for manufacturing a flat mask for a shadow mask is provided to prevent two layers from being separated in the forming process, effectively prevent doming of a shadow mask according to thermal expansion, and form a uniformly thick composite sheet consisting of a double layer, thereby uniformly forming holes through which electronic beams pass by joining with strong cohesion a flat mask and a double layer consisting of a layer comprised of a material having a low thermal expansion coefficient and a layer comprised of a material having a low yield strength. CONSTITUTION: A composite sheet in which the first layer formed of Al-Killed(AK) steel and the second layer formed of Invar steel are combined is first annealed at a temperature of 900 to 1000 deg.C. The first annealed composite sheet is first rolled. The rolled composite sheet is second annealed at a temperature of 900 to 950 deg.C. The second annealed composite sheet is second rolled. The second rolled composite sheet is etched.
Patent KR-20010009509-A (KR)
Inventor: KIM SEONG GYO
IPC: H01L21/265
Filed: 1999-07-10
Abstract: PURPOSE: An arc chamber of ion implant equipment for semiconductor manufacturing process is provided to improve a structure of an arc chamber of ion implant equipment. CONSTITUTION: An arc chamber of an ion implant equipment for semiconductor manufacturing process comprises a wall body(2), a filament(3), a cathode tube(4), and a reflector(5). The wall body(2) of a rectangular shape comprises a gas implant hole(6) formed on one wall face. The filament(3) is formed with a coil shape. The filament(3) has a structure penetrating both side walls of the wall body(2). The cathode tube(4) is installed around the filament(3) in order to cover each filament(3) penetrating both side walls of the wall body(2). The reflector(5) is installed at an outer side of the cathode tube(4) within the wall body(2).
Patent KR-20010009997-A (KR)
Title: Reticle stage
Inventor: PARK GANG SEOK
IPC: H01L21/68
Filed: 1999-07-15
Abstract: PURPOSE: A reticle stage is provided to prevent an exposure defect generated by an align defect and a tilt phenomenon of a reticle, by driving up and down a pin fixing the reticle, and by making the pin control a leveling of the reticle. CONSTITUTION: A reticle stage comprises a reticle chuck(310), the first pin(308), the second pin(315), a sensor(322) and a driver(320). The first pin is established on an upper surface of the reticle chuck. The second pin is established inside the first pin, and controls a leveling of the reticle while being driven upward and downward. The sensor senses a distance that the second pin moves up and down, established in the second pin. The driver supplies a driving power to the second pin.
Patent KR-20010011027-A (KR)
Inventor: BAE GYEONG JEONG
IPC: B01D53/74
Filed: 1999-07-24
Abstract: PURPOSE: Disclosed is a control system for the toxic flue gas from the wafer fabrication. A subsidiary scrubber is devised as another treatment system during change of main scrubber, which the exhausted gas commonly erodes wafer-manufacturing utility due to its emission to atmosphere without treatment. According to this method, the devised scrubber plays an assistant and the same role as main scrubber timely even the canister of main scrubber is changed, thereby improving the flue gas control. CONSTITUTION: The flue gas treatment system comprises the following parts: a cylindrical canister (210) shaped narrowly toward the inlet; the first resin (230) located at the lower of the canister; the first gas line (220) and the second gas line (240); a sensor (270) for detecting pressure in the second gas line for monitoring the changing time of the first resin; the third gas line (260) playing an assistant role when replacing exhausted first resin with new one. Whereas the first valve (220) is closed in case of replacing exhausted canister with new one, the second valve (298) is opened to divert flue gas to the third gas line (250) that is connected with the second resin (260).
Patent KR-20010011245-A (KR)
Inventor: LEE SE HYEON
IPC: G09F25/00
Filed: 1999-07-27
Abstract: PURPOSE: A broadcasting device for a subway is provided, whose ouput level is adjusted according to the noise level of the circumstance automatically while sending out messages. CONSTITUTION: A broadcasting device for a subway is composed of the following parts : (i) a speaker(110) that generates electrical output correspondent to the noise level of the circumstance by an electric-sound transfer device after a diaphragm is vibrated by noise, and then emits sound waves correspondent to the electrical input which flowed into the electric-sound transfer device ; (ii) a signal converter(130) that converts the electrical output into signals for a computer ; (iii) a controlling part(150) that determines the output level of the broadcasting according to the noise level judged by the saved program and/or the signal converter, and runs the whole device by sending controlling signals ; (iv) a sound signal part(140) that generates the electric input from the separated sound source, and changes the output level in multi-stages ; (v) a circuit part(120) that connects the speaker part, signal converter, and sound signal part, and is switched by the controlling part.
Patent KR-20000030065-A (KR)
Inventor: PARK SUNG BUM
IPC: C08K3/00
Filed: 1999-08-02
Abstract: PURPOSE: Reclaimed ascon with fluid resistance, wear resistance, crack resistance and good durability is provided by adding polymer modifier, waste powder, limestone powder and fly ash to waste ascon. CONSTITUTION: Waste ascon consists of waste asphalt 5.4 wt%: with penetration of 36,ductility of 32cm, softening point of 49°C and new asphalt; with penetration of 67, softening point of 49°C. Reclaimed additive for increasing quality of waste asphalt has specific gravity of 1.075, sulfur content of 1.25% and its composition is saturated hydrocarbon of 7.4%, aromatic of 78.6%, resin of 11.6% and asphaltine. SBR latex is used as rubber modifier and EVA, SBS, SIS are used as thermoplastic modifier. Reclaimed modifier binder is manufactured by adding polymer modifier and waste tire to new asphalt after recovering the doping rate of waste asphalt to the level of new asphalt using reclaiming additive. Reclaimed ascon mixture is prepared by incorporating heated mixture of waste ascon, fly ash and limestone powder with Modifier binder.
Patent KR-20010018420-A (KR)
Inventor: KIM SANG MUN
IPC: H01J9/20
Filed: 1999-08-19
Abstract: PURPOSE: A component of an electron reflection layer in a shadow mask for color cathode ray tube and a method for forming the same are provided to form an improved electronic reflective layer by improving a doming characteristic of a shadow mask. CONSTITUTION: An electron reflection layer comprises an organic binder, a lubricant, a carbon black, an electronic reflective material, and an inorganic binder. The electron reflection material is formed with one or more of a bismuth oxide and a lead oxide. The electron reflection material is formed with one or more of a tungsten oxide, the bismuth oxide, and the lead oxide. A size of the electron reflection material is 0.5 to 5 micro meters. A size of the carbon black is less than 1 micro meter.
Patent KR-19990078971-A (KR)
Title: 자동차 브레이크 안전장치(사이드 브레이크 이중 고정 장치)
Filed: 1999-08-25
Abstract: 사이드 브레이크 이중 고정장치이며 현 차량에 장착한 사이드 레버는 선단 누름버튼을 무의식중에 힘을 가하거나 어린이들이 차 내에서 잘못 사이드레버를 만져 힘이 가해질 때 사이드 레버가 해제되어 특히 경사로 주차시는 예측 못하는 상황이 발생하여 인명피해와 물적 피해를 가져오고 있음에 주차의 안전성을 확보하기 위해 고안 발명 출원 했으며 그 원리 구조는 종전 사이드레버 구조에 도1에서와 같이 보조 안전레버를 두어서 사이드레버 해제시는 도2와 같이 후단의 안전레버가 풀리어서만 사이드 누름 버튼을 누를 수 있어 사이드가 풀릴 수 있는 구조로 되어 있음. 
     따라서 사이드를 해제하기 위해서는 안전레버를 풀고 선단에 보턴을 눌러야 해제되고 사이드 레버 당길 때는 종전과 같음. 
     여기서 안전레버는 당겨 있을 때나 해제시 향상 누름버튼을 고정하고 있음.
Patent KR-20010020068-A (KR)
Inventor: KIM SUN JA
IPC: A23B9/08
Filed: 1999-08-27
Abstract: PURPOSE: A method for drying and polishing rice is provided to enhance nutritional value and taste of cooked rice by drying rice to an optimum state and polishing. CONSTITUTION: The method is characterized by drying harvested rice to have a water content of less than 14% in natural drying environment; and polishing the dried rice using a conventional dry-type rice-polishing machine. This polished rice has a weight of 80kg per a straw bag.
Patent KR-20000022998-A (KR)
Inventor: JELLER BERRI RIN
IPC: A23F5/36
Filed: 1999-09-09
Abstract: PURPOSE: A flavor and color enhanced soluble coffee and its preparation method are provided which enhances the flavor and color of coffee by heat-treating the soluble coffee without deteriorating the coffee flavor. CONSTITUTION: The method for enhancing the flavor of the soluble coffee comprises the following steps of: (i) heating the soluble coffee at an enough temperature not to induce the hydrolysis of a carbohydrate and to enhance the flavor of the soluble coffee for enough hours; and (ii) cooling the heated soluble coffee. The flavor added instant coffee product comprises an instant coffee prepared by the method for enhancing the flavor of the soluble coffee, a sweetener and an optional seasoning.
Patent KR-20010027395-A (KR)
Inventor: CHO SEONG UK
IPC: B01D39/16
Filed: 1999-09-13
Abstract: PURPOSE: An air purifying filter material and a method for manufacturing the same are provided not only to increase dust filtering efficiency and dust maintenance capability in automobile but also extend the life cycle of a filter without blinding by heat fusing synthetic fibers not using resin adhesives, thereby forming the filter material. CONSTITUTION: The filter material is comprised of thermoplastic synthetic fiber materials such as polyester and polypropylene having a fiber diameter of 0.5 to 15 deniers and a weight of 100 to 500 g/m2 in an air purifying filter material applied to automobile. The method for manufacturing the filter material comprises the processes of first combining with needle punching the synthetic fibers in which thermoplastic synthetic fiber materials such as polyester and polypropylene having a fiber diameter of 0.5 to 15 deniers and a weight of 100 to 500 g/m2 are lain up in a multi-layered structure, and heat fusing the needle punched synthetic fibers.
Patent KR-20010028249-A (KR)
Inventor: CHOI EUN JU
IPC: H04L12/40
Filed: 1999-09-20
Abstract: PURPOSE: A device for communication between a control board and a subscriber board in a basic subscriber interface block of ISDN and a method thereof are provided to reduce the prices of a memory by materializing a common memory in a subscriber board as the serial bus type by using a HDLC controlling portion and to improve the efficiency by reducing the unnecessary load of a CPU CONSTITUTION: A device for communication between a control board and a subscriber board in a basic subscriber interface block of ISDN and a method thereof include a control board(300) and many subscriber boards(400). The control board(300) is composed of a HDLC(High-level Data Link Control) portion(310), a CPU(320), a local receiving cue(330), a local receiving buffer(340), a primitive buffer(350), a LAPD(Link Acess Procedure D-Channel)(360), an operating system(370) and a debugger(380) and inputs the data of the HDLC type through a serial bus in order and manages those data and outputs only real message to the upper step. The subscriber boards(400) are composed of a HDLC portion(410) and a CPU(420) and output the data of the HDLC type through the serial bus in order.
Patent KR-20010028927-A (KR)
Inventor: KANG GU HONG
IPC: H04L12/28
Filed: 1999-09-28
Abstract: PURPOSE: An ATM(Asynchronous Transfer Mode) switching system using a cell flow control device is provided to firstly control buffers of an input terminal, and to intercept a cell flow incoming to shared buffers of an output terminal. CONSTITUTION: Many input buffers(311-31N) receive cells inputted from many input lines, and temporally store the received cells. A nonblocking self rooting unit(320) receives the cells to root the cells as a switch output. A shared buffer(330) prevents a cell loss caused by an output blocking. Many output line interfaces(341-34N) interface the cells outputted from an exterior. A cell flow controller(350) receives input/output cells from the many input buffers(311-31N) and the shared buffer(330), and controls a cell flow control signal to the many input buffers(311-31N).
Patent KR-20010036072-A (KR)
Inventor: LEE MYEONG GYU
IPC: H04L29/02
Filed: 1999-10-05
Abstract: PURPOSE: A circuit of a modem is provided to smooth the transceiving of data between different lines by allowing connections in various signal methods. CONSTITUTION: In a circuit of a modem, a modem controller(21) processes and delivers data corresponding to the transceiving timing between a serial or parallel interface and a modem(22). The controller(21) also controls the operations of all other parts(24,26,27,28,29,30,32). A memory(23) stores a program needed to operate the whole circuit. The modem(22) modulates digital data into analog data or demodulates analog data into digital data between the modem controller(21) and a PSTN via first and second impedance matchers(25,31). A DTMF generator(24) generates a DTMF signal and sends the signal to the PSTN. A loop resistance/dial pulse generator(26) makes an OFF HOOK status and sends a dial pulse to the PSTN. A ring detector(27) detects a ring signal from the PSTN. The first and second impedance matchers(25,31) conduct an impedance matching with the PSTN. A ring generator(28) generates a ring signal and sends the signal to the PSTN. A polarity inverter/detector(30) detects sends a polarity-inverting signal to the PSTN responding to a final private switch.
Patent KR-20010038008-A (KR)
Title: Mos capacitor
Inventor: JUNG SEUNG HO
IPC: H01L27/04
Filed: 1999-10-21
Abstract: PURPOSE: A MOS capacitor is to reduce an area where a capacitor occupies in a chip by vertically forming an additional capacitor on the MOS capacitor without a special area for ensuring a large capacitance. CONSTITUTION: The first gate is disposed on a predetermined part of an active region above a substrate in the state of interposing a gate insulating layer between the substrates. A source/drain is formed on both sides of the first gate at a predetermined depth from the surface of the substrate. The second gate surrounds the first gate in the form of opening one side of the first gate. The first gate is extended in the direction of one side of the opened second gate. The first contact electrically connects the second gate with the source/drain. The first interconnection is formed on an end of the first gate to apply a gate voltage to the first gate, and electrically is connected to the first gate through the second contact. The second interconnection is formed on an end of the first interconnection. The first and second interconnections are electrically connected to each other through the fourth contact. The fourth contact is electrically connected with the fourth gate. The first dielectric is disposed between the source/drain and the first gate.
Patent KR-20000047588-A (KR)
Inventor: SUDO HIROAKI
IPC: H04L27/26
Filed: 1999-11-03
Abstract: PURPOSE: A communication apparatus for OFDM(orthogonal frequency division multiplexing) is provided to improve the detection accuracy of a frequency offset in a multi-pass environment. CONSTITUTION: An inputted signal through an antenna become a base band signal after a regular wireless receiving process by a wireless receiving part. This base band signal divided into an I component and Q component after an orthogonal detection process by an orthogonal detector(401). I and Q components that orthogonal detection processed by an orthogonal detector(401) are converted into a digital signal and become a digital base band signal by an A/D converter(404) and A/D converter(405) after unnecessary frequency component eliminated by a LPF(402) and LPF(403) respectively. I and Q components of digital base band signal produced from an A/D converter(404) and A/D converter(405) can get a signal assigned on each sub-carrier with an FFT process by an FFT circuit(406) respectively. I and Q components produced from an FFT circuit(406) are demodulated by a demodulator(407). The signals demodulated by demodulator(407) are determined by determination section(408), and become demodulation signal.
Patent KR-20000035350-A (KR)
Title: Process for producing an n-alkoxycarbonyl-n-cyanoethyl amino acid alkyl ester
Inventor: HIRANO NAOKI
IPC: C07C269/04
Filed: 1999-11-09
Abstract: PURPOSE: A preparation method of N-alkoxycarbonyl-N-cyanoethyl amino acid alkyl ester is provided, which are useful as pharmaceutical intermediates, at a high yield. CONSTITUTION: The N-alkoxycarbonyl-N-cyanoethyl amino acid alkyl ester is produced at a high yield by reacting a mineral acid salt of amino acid alkyl ester with acrylonitrile ia an alcohol medium in the presence of an inorganic base to form an N-cyanoethyl amino acid alkyl ester and then reacting the N-cyanoethyl amino acid alkyl ester with a dialkyl dicarbonate.
Patent KR-20000012273-A (KR)
Inventor: BAE HWA MYUNG
IPC: A01G9/02
Filed: 1999-11-13
Abstract: PURPOSE: The pot is provided not to generate the waste, to promote the growing of a plant, not to damage the root of a plant. CONSTITUTION: The pot(10) for plant seeding is produced as a pulp formed using waste paper, and is produced by mixing with adding a growth promoting agent, nutritional agent, sesame dregs necessary to grow a plant in a specific ratio. The plural seeding depression part(11) is the depression of a specific shape which has a specific size and depth, the upper end horizontally connected to a connection unit(14) by being separated, forming with penetrating a specific diameter of drain hole(12) at each lower face. The cutting line(13) is formed on the connection unit(14) without an additional cutter when transplanting by each cutting plural seeding depression part(11) to plant the depression(11) on the ground(16).