baber/WOPTO huggingface dataset:
Patent KR-20040002277-A (KR)
Title: Manufacturing method storage node of semiconductor device
Inventor: HAN DONG HUI
IPC: H01L21/8242
Filed: 2002-06-29
Abstract: PURPOSE: A method for forming a storage node of a semiconductor device is provided to increase the surface area of the storage node by forming a bitline of a spacer type and by forming a broad storage node contact hole so that even the surface of the storage node contact hole is used as the storage node. CONSTITUTION: The first interlayer dielectric(47) is formed on a semiconductor substrate(41), including a landing plug(45) connected to a portion reserved for a bitline(55) and a storage node contact. The second interlayer dielectric pattern(49) is formed on the resultant structure, exposing the landing plug reserved for a bitline contact. A nitride layer spacer(51) is formed on the sidewall of the second interlayer dielectric pattern. The bitline of the spacer type is formed on the sidewall of the nitride layer spacer. A stack structure of the first etch barrier layer(57), the third interlayer dielectric(59), the second etch barrier layer(61) and a core insulation layer(63) is formed on the resultant structure. The stack structure or the stack structure/the second interlayer dielectric pattern is etched to form a trench exposing the landing plug through a photolithography process using a storage node mask. The storage node connected to the landing plug is formed on the trench.
Patent KR-20030007189-A (KR)
Title: Constant-temperature liquid circulating apparatus
Inventor: SUEOKA YOSHIAKI
IPC: F25B1/00
Filed: 2002-07-15
Abstract: PURPOSE: To provide an energy-saving constant-temperature liquid circulating device that can reach a target temperature in a short time, is high in controllability even against disturbances, and can be reduced in size. CONSTITUTION: This constant-temperature circulating device 1 is provided with a constant-temperature liquid circuit section 4, a refrigerating circuit section 3, and a control section 5. The constant-temperature liquid circuit section 4 is provided with a main circuit section 50 composed of a compressor 7 which is controlled for number of revolutions by electric power supplied from an inverter, a condenser 8, an electronic expansion valve 56, and an evaporator 10 and a hot gas circuit section 58 which by-passes the condenser 8 and has an electronic expansion valve 59. The constant-temperature liquid circuit section 4 is provided with a heat exchanger 25, a temperature sensor 37, and a circulating means 28. The control section 5 controls the temperature of a constant- temperature liquid supplied to a load to a prescribed value by controlling the valve travel of the expansion valves 56 and 59 and the number of revolutions of the compressor 7 based on a signal from the temperature sensor 37.
Patent KR-20040008422-A (KR)
Title: A method for manufacturing of a Magnetic random access memory
Inventor: LEE SEUNG SEOK
IPC: H01L21/00
Filed: 2002-07-18
Abstract: PURPOSE: A method for fabricating a magnetic RAM is provided to improve characteristics and reliability of the device by controlling the amount of added impurity and controlling electrical conductivity. CONSTITUTION: According to the method for fabricating a magnetic RAM, a magnetic pinned layer(35) is formed on an upper part of a connection layer(33). A tunnel barrier layer(37) is formed on an upper part of the magnetic pinned layer with a semiconductor thin film which is thin film of intrinsic semiconductor. And a MTJ(Magnetic Tunnel Junction) cell is formed with a process of forming a magnetic free layer(39) on an upper part of the tunnel barrier layer.
Patent KR-20040009531-A (KR)
Title: Digital tuner with adjacent channel interference improvement circuit
Inventor: BANG SEUNG IN
IPC: H04N5/50
Filed: 2002-07-24
Abstract: PURPOSE: A digital tuner having a circuit for removing interference between adjacent channels is provided to add a trap circuit to the digital tuner to remove interference between adjacent channels so as to improve the digital broadcasting receiving state. CONSTITUTION: A digital tuner includes an automatic gain control unit(10), an RF amplifier(11), an RF band pass filter(12), a mixer(15) and an RF AGC detecting circuit(19). The digital tuner further includes an LC trap circuit(110) located between the mixer and RF AGC detecting circuit. The LC trap circuit is composed of an inductor(L) and a capacitor(C) and traps an N+1 channel signal higher than the digital broadcasting signal currently being received by one channel.
Patent KR-20040011289-A (KR)
Title: Device for heating fuel/air of fuel cell
Inventor: CHO TAE HUI
IPC: H01M8/04
Filed: 2002-07-30
Abstract: PURPOSE: Provided is a fuel/air heating apparatus of a fuel cell, which preheats fuel and humidifies air by using waste heat generated from an electric energy output part, therefore can improve the efficiency of the fuel cell. CONSTITUTION: The fuel cell comprises a fuel cell stack comprising a fuel electrode and an air electrode, a fuel supply part comprising a fuel supply pipe(121) and a fuel tank, an air supply part comprising an air supply pipe(131) and a humidifier, and the electric energy output part(140) having a plurality of radiating pins(141), wherein the end of the fuel supply pipe(121) or the air supply pipe(131) connected to the inlet of the fuel electrode or the air electrode passes through the radiating pins(141).
Patent KR-20040012135-A (KR)
Title: Water treatmrnt composition, preparation method of the same and water treatment method using the same
Inventor: CHOI DONG JIN
IPC: C02F5/14
Filed: 2002-08-01
Abstract: PURPOSE: A water treating agent composition which obtains superior metal corrosion and scale suppressing effects in water quality, and easily controls pH and is simply used in an open circulation cooling system is provided, a method for preparing the same is provided, and a water treating method using the same is provided. CONSTITUTION: The water treating agent composition comprises (a) 0.5 to 40 wt.% of phosphonate selected from the group consisting of hydroxy ethylidene diphosphonic acid, hydroxy phosphono carboxylic acid, amino trimethylene phosphonic acid, phosphono butane tricarboxylic acid and ethylene diamine tetramethylidene phosphonic acid; (b) 0.1 to 30 wt.% of acrylate polymer represented by formula I; (c) 0.1 to 10 wt.% of azole class compound selected from the group consisting of tolyltriazole, mercapto benzothiazole, benzotriazole and imidazole; (d) 0.1 to 20 wt.% of alcohol selected from the group consisting of methyl alcohol, ethyl alcohol and isopropyl alcohol; and (e) a balance of water. The method for preparing the water treating agent composition comprises the step of mixing a mixture of phosphonate, acrylate polymer and water with a mixture of azole class compound, alcohol and water in a weight ratio of 99:1 to 70:30. The water treating method comprises the process of suppressing metal corrosion and scale formation in water by injecting the water treating agent composition into cooling tower, heat exchanger and/or various drain pipes.
Patent KR-20030013316-A (KR)
Title: Substrate processing apparatus
Inventor: KURODA OSAMU
IPC: B05D3/10
Filed: 2002-08-02
Abstract: PURPOSE: To provide a substrate processing apparatus and method which can perform its stable processing and can increase the resist processing throughput even when the apparatus is rotated at a low speed. CONSTITUTION: In the substrate processing apparatus for processing a substrate W by relatively moving a plurality of supply means 61, 62 and 63 for supplying different processing fluids along the periphery of the substrate W; the plurality of supply means 61, 62 and 63 are positioned as arranged in a row directed from the periphery of the substrate W inwardly thereof.
Patent KR-20030014148-A (KR)
Title: Mobile station apparatus, mobile communication system and method for detecting carrier
Inventor: NAKAMURA TAKEHIRO
IPC: H04W64/00
Filed: 2002-08-09
Abstract: PURPOSE: To provide a mobile station device wherein consumption power is reduced, and as a result, continuous waiting time can be prolonged, by effectively performing carrier search, reducing time for detecting service carrier, and reducing the number of times of useless cell search. CONSTITUTION: When service carrier is detected, receiving power is measured first by using a receiving power measuring part 16 in an allocated frequency band in a system. In a frequency restricting part 22, a frequency range in which the service carrier is searched is restricted in the vicinity of a frequency in which the measured receiving power exceeds a threshold level. In the frequency range, receiving power of a frequency in which the service carrier can exist is measured by using the receiving power measuring part 16. In a control unit 24, a frequency in which the measured receiving power is large is made a frequency which becomes a candidate of the service carrier. In a cell search execution part 18, cell search is executed first to the candidate frequency.
Patent KR-20040016193-A (KR)
Inventor: HAN JAE BEOM
IPC: H01J29/70
Filed: 2002-08-16
Abstract: PURPOSE: A correction circuit for miss-convergence correction device of deflection yoke is provided to control a BING phenomena of a miss convergence by adjusting variably current quantity flowing in a coma free coil. CONSTITUTION: A correction circuit for miss-convergence correction device of deflection yoke comprises a first top part and bottom part coma free coils and a second a top part and bottom part coma free coils connected electrically in series to a vertical coil main part, a YHC miss convergence adjustment part connected in parallel to the first top part and bottom part coma free coils and controlling a relative current quantity flowing at the first top part and bottom part coma free coils and adjusting a miss convergence of a screen, a YV miss convergence adjustment part connected in parallel to the second top part and bottom part coma free coils and controlling a relative current quantity flowing at the second top part and bottom part coma free coils and adjusting a vertical miss convergence of a screen, a top side YH variable resistor connected in serial between a connection point of the first top part and a connection point of the second top part coma free coil for controlling current quantity flowing at the top part coma free coils, and a bottom side YH variable resistor connected in serial between a connection point of the first bottom part and a connection point of the second bottom part coma free coil for controlling current quantity flowing at the bottom part coma free coils.
Patent KR-20040017606-A (KR)
Inventor: BAE SEONG WON
IPC: H05K5/02
Filed: 2002-08-22
Abstract: PURPOSE: A plasma display device is provided to achieve improved user satisfaction by maintaining the temperature of the upper portion of the back case uniform. CONSTITUTION: A plasma display device comprises a plasma display panel; a chassis base(22) on which the plasma display panel and a circuit unit for driving the plasma display panel are mounted; and control members(32) arranged in the vicinity of the circuit unit, on the surface of the chassis base mounted with the circuit unit in such a manner that the control members control the air flow formed around the chassis base.
Patent KR-20040018030-A (KR)
Title: Controller for driving a blower motor
Inventor: KIM DONG OK
IPC: H02P1/00
Filed: 2002-08-24
Abstract: PURPOSE: A driving controller for blower motor is provided to reduce the generation of errors due to the noise in a high-speed switching process by using a MOSFET for a power transistor module. CONSTITUTION: A driving controller for blower motor includes a triangular wave generator(140), a sine wave generator(130), a processor(110), a PWM generator(100), and a MOSFET. The triangular wave generator(140) is used for generating a triangular wave of a predetermined period. The sine wave generator(130) is used for generating a sine wave of a predetermined period. The processor(110) is used for deciding periods of waves generated from the triangular wave generator(140) and the sine wave generator(130). The PWM generator(100) is used for generating PWM pulses without harmonics. The MOSFET is used for forming a current conducting path of the blower motor.
Patent KR-20040019414-A (KR)
Title: Deslipping agent auto throwing device for converter
Inventor: JUNG DONG HAN
IPC: C21C5/46
Filed: 2002-08-26
Abstract: PURPOSE: A device for automatically throwing tranquilizer into converter is provided to prevent safety accident of operators, shorten time required for throwing tranquilizer into the converter and safely handle tranquilizer formed of a fragile material by automatically throwing the tranquilizer into the converter using mechanical force. CONSTITUTION: The device comprises a body part comprising a base(100), a thrower frame(200) rotationally mounted on the base, and a rotational driving means mounted on a lower part of the thrower frame so that the rotational driving means is rotated to a certain angle centering around a shaft perpendicular to an upper surface of the base; a tranquilizer supply part in which a large quantity of tranquilizers(600) are stored, and which moves the tranquilizer to a position capable of being loaded on a loading frame(300) from the inside of the thrower frame; and a mounting part which is mounted on an upper part of the thrower frame, and on which the tranquilizer moved to the position capable of being loaded on the loading frame from the thrower frame is mounted, wherein the mounting part is vertically moved so that discharge inclination angle is controlled through an up down adjusting driving unit connected from a lower side through the body part, and the body part is rotated side to side so that left and right rotation angles are adjusted through the rotational driving means to throw the tranquilizer to a fixed position of converter, wherein the mounting part comprises loading frame, mounting rod(320), loading cylinder(310), spring(330), clamp unit, supporting plate, tranquilizer inserting plate(510) and inserting cylinder(500), and wherein the tranquilizer supply part comprises tranquilizer storage box(610), cylinder and resting block.
Patent KR-20040018822-A (KR)
Title: Tumble of prevention device for Truck
Inventor: PARK JAE SU
IPC: B60P1/16
Filed: 2002-08-27
Abstract: PURPOSE: A device for preventing a truck from being turned over is provided to prevent the overturn of the truck in loading and unloading cargo with a control device for controlling operations of a door and a hydraulic cylinder and the pneumatic pressure of an air suspension. CONSTITUTION: In a device for preventing a truck from being turned over, a safety device controlled by pneumatic pressure to prevent the overturn of the truck in loading and unloading cargo is composed of a switch(10) for operating the safety device; a door chamber device(20) for receiving operations of the switch and operating and intermitting the opening and closing of a door of a tray; a tipping operating device(30) for interlocking with the door chamber device and controlling the lifting-up and -down of the tray; and an air suspension operating device(40) for interlocking with the door chamber device and controlling height of a tire and a lower side of the tray in lifting down the tray.
Patent KR-20030023479-A (KR)
Title: Method and apparatus for changing received streaming content channels
Inventor: RICHARDSON JOHN WILLIAM
IPC: H04L49/9023
Filed: 2002-08-28
Abstract: PURPOSE: A method and an apparatus for changing received streaming content channels are provided to supply de-jittering streaming contents, and to change channels substantially and momentarily by transmitting content channel signals faster than the play rate with the first content stream. CONSTITUTION: A buffer receives a first content stream(201) carrying a content channel signal. The first content stream carries the content channel signal at a rate substantially greater than the streaming content playout rate, for initially loading the buffer. The buffer switches the reception of the content channel signal from the first content stream to a second content stream(202). The second content stream is at a rate substantially the same as the streaming content playout rate. Generally, the switch occurs when some predefined threshold of the content channel signal is buffered.
Patent KR-20020072272-A (KR)
Inventor: YOO BYONG SEOP
IPC: B21F99/00
Filed: 2002-09-03
Abstract: PURPOSE: A rolling apparatus for hardening a wire rod is provided which rolls the surface of the wire rod to improve roughness and hardness of the surface of the wire rod and continuously harden the wire rod at the same time. CONSTITUTION: The rolling apparatus for hardening a wire rod comprises a first head stock(40) which is arranged on the upper part of a frame(10) forming an outward shape of the rolling apparatus, rotated by a driving means, and inclined to the rear in certain degrees of an angle on the basis of a vertical plane; a first roll dies(50) which is rotationally coupled to the first head stock(40), and a circumferential surface of which is smoothly formed; a second head stock(60) which is installed in a row so that it is spaced apart from the first head stock(40) in a certain distance, and inclined to the front in certain degrees of an angle on the basis of a vertical plane; a second roll dies(70) which is rotationally coupled to the second head stock(60) so that the second roll dies(70) transfers the wire rod to the rear as rolling the surface of the wire rod that is rotationally entered in the same direction with being spaced apart from the first roll dies(50) in a certain distance; and a supporting blade(90) which is arranged at the lower part between the first roll dies(50) and the second roll dies(70) to support the wire rod that is entered between the first and second roll dies(50,70).
Patent KR-20040021906-A (KR)
Title: air cooling system of the gas oven range with infrared burner
Inventor: YANG DAE BONG
IPC: F24C15/20
Filed: 2002-09-05
Abstract: PURPOSE: An air cooling system of a gas oven range with infrared burners is provided to protect components of a top burner part. CONSTITUTION: A plurality of back guard ducts(10a,10b) are installed in the rear of a main body to be communicated with a grill part(2) and an oven part(3) respectively, thereby guiding heat generated from the grill part and the oven part to be discharged to the outside. A plurality of rear ducts(20) are installed in the rear of the main body for guiding flow of the sucked air. A plurality of suction devices(22a) are installed in the rear ducts for sucking the air into the rear ducts. An upper duct(30) is installed in a top burner part(1) and is connected with the rear ducts and the back guard ducts. The upper duct guides the air sucked from the rear ducts to be discharged to the back guard ducts with cooling components of the top burner part.
Patent KR-20040023275-A (KR)
Title: Method for manufacturing of reflective plate of reflective liquid crystal display
Inventor: KIM SEONG JU
IPC: G02F1/1335
Filed: 2002-09-11
Abstract: PURPOSE: A method for fabricating a reflecting plate of a reflective liquid crystal display is provided to simplify a process of forming protrusions and depressions on the reflecting plate. CONSTITUTION: A passivation layer(25) is formed on an insulating substrate(21) including predetermined elements and interconnection lines(23). A photoresist film is formed on the passivation layer. The photoresist film is exposed and developed to form a photoresist pattern having an opening with a predetermined width that exposes the passivation layer. A protrusion nucleus generating material is coated on the photoresist pattern including the opening and, simultaneously, a conic protrusion nucleus(33) is formed at the bottom of the opening according to overhang at the top corner of the opening. The photoresist pattern and protrusion nucleus generating material are removed and the protrusion nucleus is left on the passivation layer. An overcoat layer(35) is formed on the passivation layer and protrusion nucleus. A metal is deposited on the overcoat layer to form a reflecting plate(37).
Patent KR-20030025194-A (KR)
Title: Process for producing sulfonated solid particles
Inventor: KOISO HIDEYUKI
IPC: C09B67/14
Filed: 2002-09-18
Abstract: PURPOSE: Provided is a process for producing a sulfonated solid particle which is conducted under mild conditions without using solvents and whose reactions are readily controlled. CONSTITUTION: The process for producing a sulfonated solid particle includes the steps of: burning sulfur to yield gaseous sulfur dioxide; catalytically oxidizing the gaseous sulfur dioxide to yield gaseous sulfur trioxide; and sulfonating a dry powdery or granular solid particle with the gaseous sulfur trioxide in a gas phase-solid phase reaction. In the sulfonating step, a gaseous mixture of the gaseous sulfur trioxide with a gas inert to the gaseous sulfur trioxide and the solid particle is used. The solid particle is at least one selected from the group consisting of organic pigments, carbon black pigments, conductive carbon black, carbon black for use in batteries, carbon black for use in rubber, water-insoluble dyes, and resinous fine particles.
Patent KR-20040028347-A (KR)
Title: Cover for License Plate of a Car
Inventor: KIM DEOK HYEON
IPC: B60R13/10
Filed: 2002-09-30
Abstract: PURPOSE: A device for shielding a license plate of a vehicle is provided to completely shield the license plate without additional manpower and automatically shield the license plate in parking or stopping the vehicle. CONSTITUTION: A device for shielding a license plate of a vehicle comprises a first rotating unit having a first projection(402) formed to the outer peripheral surface of a first roller(302) forming a first rotating shaft(304), and a footboard(308) obliquely attached to the first rotating shaft; a second rotating unit having a second projection(404) formed to the outer peripheral surface of a second roller(310) forming a second rotating shaft(312), and a license plate screen(316); and a power transmission unit transmitting power to the first rotating unit and the second rotating unit. Thus, the device for shielding the license plate of the vehicle automatically shields the license plate of the vehicle.
Patent KR-20040029509-A (KR)
Title: Measurement method of amount of slag in ladle
Inventor: CHOI JU
IPC: B22D46/00
Filed: 2002-10-01
Abstract: PURPOSE: A method for measuring quantity of slag in ladle is provided which calculates quantity of the slag by collecting slag, analyzing elements of the collected slag and substituting the element analysis results for a suitable numerical formula after adding tracer elements to the ladle. CONSTITUTION: The method for measuring quantity of slag in ladle comprises a step of adding tracer elements to the ladle; a step of analyzing elements of the collected slag by collecting slag from the ladle; and a step of calculating quantity of slag by substituting the element analysis results for a suitable numerical formula, wherein the ladle is an arrival ladle for the secondary refining, and wherein the ladle is a departure ladle for the continuous casting process.