baber/WOPTO huggingface dataset:
Patent KR-20030096671-A (KR)
Title: Fabricating method of contact hole in semiconductor device
Inventor: KIM SU GON
IPC: H01L21/28
Filed: 2002-06-17
Abstract: PURPOSE: A method for forming a contact hole of a semiconductor device is provided to be capable of effectively controlling striation phenomenon for exactly controlling the CD(Critical Dimension) of the contact hole. CONSTITUTION: After forming a predetermined lower layer at the upper portion of a semiconductor substrate(201), an interlayer dielectric(202) is formed at the upper portion of the resultant structure. Then, a photoresist layer(203) is coated on the entire surface of the interlayer dielectric, a photoresist pattern is formed by selectively patterning the photoresist layer. A contact hole is formed at the inner portion of the interlayer dielectric by carrying out an etching process at the resultant structure using C4F8, O2, and CO gas as a main reaction gas. At this time, the photoresist pattern is used as an etching mask.
Patent KR-20040005525-A (KR)
Title: VSB receiver capable of controlling ghost that occurring by multipath
Inventor: JANG YONG DEOK
IPC: H04N7/015
Filed: 2002-07-10
Abstract: PURPOSE: A VSB receiver for removing ghosts caused by multiple paths is provided to prevent equalization performance from being deteriorated due to large pre-ghosts generated in a multi-path environment. CONSTITUTION: A VSB receiver for processing an input signal having a plurality of ghosts caused by multiple paths includes a multi-path controller(150) and an equalizer(160). The multi-path controller controls the magnitudes of the plurality of ghosts such that the magnitudes of the ghosts become less than a magnitude of a main ghost. The equalizer compensates a distortion of the input signal. The multi-path controller includes a channel estimator(152) that estimates relative magnitude and position of the plurality of ghosts, a multiplier(156) that multiplies the input signal by the first coefficient, a delay(155) that delays the multiplied input signal by a time distance between a pre-ghost and a main ghost among the plurality of ghosts, an adder(158) that adds the input signal to the delayed input signal, and a divider(159) that dividing the added input signal by the second coefficient.
Patent KR-20040009104-A (KR)
Title: An apparatus for controlling the charging distribution of charging materials charged in a melting furnace
Inventor: KIM DEUK CHAE
IPC: F27B1/26
Filed: 2002-07-22
Abstract: PURPOSE: An apparatus for controlling the burden distribution of charging materials such as iron ore and coal charged into melter gasifier from reduction furnace in hot metal manufacturing facility for manufacturing hot metal using reduction furnace and melter gasifier is provided. CONSTITUTION: In an apparatus(1) for controlling the burden distribution of charging materials which is installed at down pipe(130) to a lower side of drop box between reduction furnace and melter gasifier(140), the apparatus comprises a frame(10) connected to a lower side of the down pipe(130) by flange and connected thus fixed to one side of an upper part of the melter gasifier(140); a chute means(30) which is installed inside the frame(10), and through which charging materials pass; a flap means(50) rotationally installed inside the chute means(30) to control the burden distribution of charging materials in the melter gasifier; and a shaft rotation means connected to shaft(52) of the flap means(50) to rotationally drive the flap shaft(52).
Patent KR-20040010954-A (KR)
Title: Transport Demultiplexor
Inventor: LEE JEONG HYE
IPC: H04N21/434
Filed: 2002-07-25
Abstract: PURPOSE: A transport demultiplexer is provided to freely realize a wanted application by freely mapping an input source and an output port with each channel. CONSTITUTION: A transport demultiplexer includes a plurality of input and output ports for processing a plurality of channels. A single input interface block receives a plurality of input sources for selecting two input sources and outputting the corresponding stream. Two input buffers receive two streams from the single input interface block respectively and download the corresponding stream to a storage medium. Two system decoders decode the inputted stream of each channel to output the decoded stream. A single output interface block outputs the data inputted from the system decoders according to decision of a user.
Patent KR-20020075836-A (KR)
Inventor: MATSUOKA AKIHIKO
IPC: H04L27/18
Filed: 2002-08-28
Abstract: PURPOSE: To improve the estimate precision of a frequency offset and amplitude distortion between a transmitter and a receiver in the case of application of quasi-synchronization detection at a demodulator side and to enhance a bit error rate characteristic in a carrier power versus noise power ratio when this system is applied to radio communication. CONSTITUTION: A pilot symbol is periodically inserted in a signal for a multi- value (octal or over) modulation system employing the pilot symbol insertion system. A peak versus average transmission power ratio is not affected by placing a signal point 102 of the pilot symbol to a position different from any signal point 101 of the multi-value modulation system at which the signal provides a maximum amplitude and also the amplitude at the pilot symbol signal point is selected larger than the maximum signal point amplitude in the multi-value (octal or over) modulation system to improve the estimate accuracy of a frequency offset and amplitude distortion between a transmitter and a receiver in the case of application of quasi-synchronization detection at a demodulator side and to enhance a bit error rate characteristic in a carrier power versus noise power ratio.
Patent KR-20020074437-A (KR)
Inventor: OH KYENG JA
IPC: A23B7/10
Filed: 2002-08-23
Abstract: PURPOSE: Kelp Kimchi obtained by soaking Korean cabbage in a kelp extract two times after salting and then mixing conventional Kimchi materials is provided which extends a Kimchi maturing period and removes various tastes of pickled fish. CONSTITUTION: Vegetables are salted for a specified time, washed and hydrated. Kelp is extracted in water at 60 to 70deg.C for 4hr. The salted vegetables are soaked in the kelp extract about two times for 30 to 50min, hydrated and mixed with kelp power, seasonings or the like.
Patent KR-20040020450-A (KR)
Title: Assembly steel frame with fixing element
Inventor: KIM SEONG TAE
IPC: E02B7/10
Filed: 2002-08-30
Abstract: PURPOSE: A prefabricated steel frame provided with a fixture is provided to prevent the transformation of a screen of a steel frame. CONSTITUTION: The prefabricated steel frame provided with a fixture, which connects/fixes steel frames(10) of a hexahedral structure formed by connecting section steels in a line, contains: fixed section steels(60) whose each end is fixed to a vertical section steel located correspondingly to a vertical side of the steel frame(10) and located parallel; and a connecting piece(80) connecting another fixed section steel(60) extended from other steel frames(10a,10c) arranged on the side of one steel frame(10b) and a fixed section steel(60) fixed to one steel frame(10b).
Patent KR-20040022304-A (KR)
Title: Complex fertilizer containing soil-conditioning elemeuts and manufacturing method therefor
Inventor: KIM JAE YONG
IPC: C05D9/00
Filed: 2002-09-05
Abstract: PURPOSE: A method of producing compound fertilizer using siliceous fertilizer and urea as main materials is provided, which is characterized by granulating and coating siliceous fertilizer on urea particles with water and heat generated from the reaction, respectively. Accordingly, the resultant fertilizer with good surface strength promotes growth of rice and improves soil. CONSTITUTION: The compound fertilizer is produced by the following steps of: mixing 30wt.% of siliceous fertilizer obtained from blast furnace slag, 40wt.% of urea, 24wt.% of KCl, 2wt.% of MgO and 1wt.% of ulexite; putting raw materials into a granulator; adding 3wt.%(purity more than 45%) of sulfuric acid which reacts with CaO and MgO in siliceous fertilizer to generate heat and water, wherein the water replaces the water for granulating and the heat melts the surface of urea for coating siliceous fertilizer on the surface of urea particles; granulating and drying secondarily by passing through the granulator, keeping the temperatures of 200-250deg.C in the input range of 5mm and 60-80deg.C in the output range of 25mm; cooling to the temperature of 60deg.C or lower; sorting out granules with 3-5mm size and putting granules with different size into the mixer again. The resultant fertilizer has moisture content of less than 0.5%, high surface strength and easy storage.
Patent KR-20040021981-A (KR)
Title: Air spraying device of metal thermal spray gun
Inventor: JANG TAE YEONG
IPC: B05B7/22
Filed: 2002-09-06
Abstract: PURPOSE: An air blast apparatus of a metal thermal spraying gun for painting is provided to provide excellent coating area, distribution and adhesion force on the surface of a preform by maximizing a blast force. CONSTITUTION: The apparatus comprises: a first air feeding portion(100); and a second air feeding portion(200). In the first air feeding portion(100), a plurality of metal rod wires(1,1') are fed through a main body(10) and guide tubes(12,12') by a feed appliance(30), an air chamber(15) is connected to an air passage(13), and a plurality of nozzles(16,17) are penetrated through the rear centers of the guide tubes(12,12') and on the circumferences thereof. In the second air feeding portion(200), a nozzle coupling element(20) is coupled to the outer sides of the guide tubes(12,12'), an induction pipe(26) is spaced from an outer tubular body, a partition(28) is disposed between the outer tubular body(25) and the induction pipe(26), and front and rear air spaces(25a,25b) are formed separately.
Patent KR-20040022028-A (KR)
Inventor: HAN CHANG SU
IPC: B23Q3/00
Filed: 2002-09-06
Abstract: PURPOSE: A fine motion driving device is provided to precisely move an object to a desired position, and to improve dynamic stability. CONSTITUTION: In a fine motion driving device including a base(100) and an object(9), a linear driving unit(8) is located in the base, and finely operates a lever(13). A first joint(10) transmits the displacement of the linear driving unit to the lever. The lever is located at one side of the base, and amplifies the displacement of the linear driving unit according to the motion of the first joint. A second joint(11) is located at the top of the lever, is fixed to the base, and transmits power to the object through a third joint(12) according to the motion of the lever. A supplementary weight body(14) supplements the function of the linear driving unit. Spring guides(15a,15b,15c,15d) transmits power or displacement to the object in one way. A sensor(16) measures the feed rate of the object.
Patent KR-20040024102-A (KR)
Inventor: ITO ICHIO
IPC: F16K3/00
Filed: 2002-09-13
Abstract: PURPOSE: A gate valve is provided to prevent foreign materials from entering the inside of a processing chamber and to make an arm drive device and an arm with simplified structure and small size. CONSTITUTION: A gate valve comprises a valve housing(1) having the inner space, and first and second openings(2) facing each other; a valve seat(4) arranged in the inner space around the edge of the first opening; a valve disk(5) sealing up the first opening while engaging with the valve seat, in moving to a closed position; a pivot arm(6) having a base part fixed to the valve housing by a main shaft; an arm drive device(8) moving the end of the pivot arm between a first position where the valve disk is at a completely opened position and a second position where the valve disk is at a completely closed position; and a power transmission device(9) transmitting the movement of the pivot arm to the valve disk. The power transmission device includes first roller guide grooves formed to the valve disk; valve disk support units fixed to the end of the pivot arm by the main shaft; second roller guide grooves formed to the valve disk support units; third roller guide grooves formed to the valve disk support units; support plates; fourth roller guide grooves formed to the support plate; first rollers engaging with the first and second roller guide grooves; and second rollers engaging with the third and fourth roller guide grooves. The first and second roller guide grooves are each extended downward obliquely to be separated from the valve disk. The third and fourth roller guide grooves are each extended downward obliquely to approach the valve disk.
Patent KR-20040025300-A (KR)
Title: Voltage regulation circuit for a m0nitor
Inventor: SUK SANG MUN
IPC: H04N3/185
Filed: 2002-09-19
Abstract: PURPOSE: A circuit for stabilizing a voltage of a high voltage/deflection separation-type video display apparatus is provided to enable a PWM(Pulse Width Modulation) control circuit to control a PWM control signal according to a level of a voltage fed back from a regulation compensation coil, and to output the controlled PWM control signal, thereby reducing the number of components. CONSTITUTION: A PWM control circuit(200) outputs a PWM control signal. A base terminal of a transistor(Q1) inputs the PWM control signal in connection with an output terminal of the PWM control circuit(200), and the transistor(Q1) is switched according to the PWM control signal. The first coil of an SMPS(Switching Mode Power Supply) transformer(T1) is connected to a collector terminal of the transistor(Q1), and the SMPS transformer(T1) is switched according to the outputted PWM control signal and transmits a voltage of the first coil to the second coil. A regulation compensation coil(210) is connected to one end of the first coil of the SMPS transformer(T1) connected with the collector terminal of the transistor(Q1), receives a voltage of the second coil, and feeds back the voltage to the PWM control circuit(200). The PWM control circuit(200) controls the PWM control signal according to a level of the fed back voltage.
Patent KR-20040026253-A (KR)
Title: Recombinant bioluminescent/fluorescent bacteria for the detection oxidative damage and DNA damage simultaneously
Inventor: KOO MAN BOK
IPC: C12N15/70
Filed: 2002-09-23
Abstract: PURPOSE: Recombinant bioluminescent/fluorescent bacteria for detecting oxidative damage and DNA damage simultaneously are provided, thereby detecting at least two kinds of toxic chemicals simultaneously. CONSTITUTION: A recombinant bioluminescent/fluorescent bacterium Escherichia coli RFM443/pACRG43, pDK1 (EBDUAL22) (KCTC 10292BP) is produced by transforming Escherichia coli RFM443 with a recombinant plasmid pACRG43, which is produced by fusion of a gene damage protein RecA-expressing promoter with a fluorescent protein gene GFPuv4, and a recombinant plasmid pDK1, which is produced by fusion of an oxidative damage protein KatG-expressing promoter katG with a bioluminescent gene lux CDABE. A method for detecting oxidative damage and DNA damage simultaneously is characterized by using Escherichia coli RFM443/pACRG43, pDK1 (EBDUAL22) (KCTC 10292BP).
Patent KR-20040035921-A (KR)
Title: Blind Device for Automobile
Inventor: KOO YOUNG MO
IPC: B60J11/00
Filed: 2002-10-12
Abstract: PURPOSE: A blinding device for a vehicle is provided to facilitate the use by mounting the blinding device to a vehicle body, protect a glass of the vehicle from snow or rain, and prevent ice from being formed on the glass. CONSTITUTION: A blinding device for a vehicle comprises a cover(20) having predetermined width and length capable of covering a glass of the vehicle; an upper support(22) and a lower support(24) combined to the upper and lower parts of the cover; and fixing brackets(36,36') fixed to a vehicle roof body, to fit the upper support. The upper support is longer than the width of the cover. Fixing projections fitted into fixing grooves of the fixing brackets are formed to the longitudinal ends of the upper support, to fix the cover to the fixing brackets. A hinge(26) is foldably combined to the middle part of the upper support, to facilitate keeping.
Patent KR-20030041095-A (KR)
Inventor: YAMASHITA TAKATOSHI
IPC: B01J19/12
Filed: 2002-11-15
Abstract: PURPOSE: To increase extracted amount of polyvalent ion by increasing the ratio of polyvalent ion in plasma and also in ion beam. CONSTITUTION: A positive electrode 26 and a bias electric power source 32 are added on the ion source called as a burnous type ion source. The positive electrode 26 is provided in a plasma generating vessel 2 electrically insulated from the same and has openings totally at least three positions of both sides of a direction X along a magnetic field 20 generated by a magnetic field generator 18 and an ion extraction opening 4 side (an ion beam extraction direction Z side). The bias electric power source 32 applies positive bias voltage VB against the plasma generating vessel 2 on the positive electrode 26. An ion push back action in plasma 14 by the positive electrode 26 and a secondary electron absorption action in plasma 14 by the positive electrode 26 occur with this structure to increase polyvalent ion 14.
Patent KR-20030015173-A (KR)
Title: The principle of safing wing for horizontal flying and arriving
Inventor: BAE JAE SEUG
IPC: B64C3/00
Filed: 2002-12-06
Abstract: PURPOSE: Horizontal takeoff and landing-safety wing principal is provided to facilitate stable design of wings of a plane. CONSTITUTION: In horizontal takeoff and landing-safety wing principal, design of an aircraft of a streamline shape is possible and much lighter materials can be used. In the horizontal takeoff and landing-safety wing principal, a computer is not needed because of special aerodynamics weight principal and therefore, development of a giant computer is achieved.
Patent KR-20040050632-A (KR)
Title: Method for forming isolation of semiconductor device
Inventor: YOON CHANG JUN
IPC: H01L21/76
Filed: 2002-12-10
Abstract: PURPOSE: A method for forming an isolation layer of a semiconductor device is provided to roundly form the upper corner of a trench by using a sidewall spacer having a round upper corner. CONSTITUTION: A pad oxide and a nitride layer(101,102) are deposited on a silicon substrate(100). An active and an isolation region are defined by selectively patterning the pad nitride and oxide layer. An oxide layer is deposited on the upper surface of the resultant structure. A spacer(103') having a round corner is formed at both sidewalls of the pad nitride and oxide layer. A trench is formed by carrying out an etching process on the resultant structure. Then, the trench is filled with an isolation layer.
Patent KR-20040053905-A (KR)
Title: Chamber system for semiconductor manufacturing process including the wafer drop prevention jig
Inventor: KIM EUN SEOK
IPC: H01L21/68
Filed: 2002-12-16
Abstract: PURPOSE: A semiconductor manufacturing chamber system having a jig for preventing wafer falling is provided to restrain the damage of a wafer and improve productivity. CONSTITUTION: A semiconductor manufacturing chamber system is provided with a process chamber(20) for carrying out a predetermined process on a wafer(30) and a transfer chamber(25) for supplying the wafer to the process chamber. The semiconductor manufacturing chamber system further includes a jig(28) installed at the common end portion of the transfer and process chamber for being used as a protrusion for preventing the falling of the wafer. At this time, the jig has a tilt surface.
Patent KR-20030051389-A (KR)
Inventor: NAKAO SAYAKO
IPC: B41C1/14
Filed: 2002-12-18
Abstract: PURPOSE: A heat sensitive stencil sheet is provided to obtain a high-quality image free from white missing portions and inconsistencies in density even at high resolution. CONSTITUTION: A heat sensitive stencil sheet comprises: a thermoplastic resin film and a porous substrate permitting ink permeability, wherein a dispersion index of reflected light obtained by irradiating the substrate with light is at least 13, the dispersion index being defined as h/(L x 100) wherein h represents a maximum peak frequency in a histogram obtained by classifying the density of a reflected light image read on an area of (10 cm)¬2 with a 787-by-787-pixel resolution of 64 levels, and L is (highest level which exceeds 500 frequencies in the histogram) - (lowest level which exceeds 500 frequencies in the histogram) + 1.
Patent KR-20040055828-A (KR)
Title: Composition method of tobacco it contains the healthy cadence foodstuffs type.
Inventor: SONG WAN GEUN
IPC: A24B15/16
Filed: 2002-12-23
Abstract: PURPOSE: A cigarette case with health care products is provided to improve the health of a smoker and remove the bad smell generated from the mouth of the smoker. CONSTITUTION: Generally, the space of a cigarette case have 10 or 20 piece's cigarettes. The Cigarette case has few cigarettes such as 1 or 2 pieces cigarettes and many health care products shaping as a real cigarette such as 18 or 19 pieces cigarettes. One cigarette type of the health care products made of a vinyl tube including the vitamin granulation or various health care products, while the other cigarette type of the health care products made of a bar using gum, the vitamin granulation, or other health care products. Therefore, smokers can naturally reduce their smoking due to an imitation cigarette.
Patent KR-20040034313-A (KR)
Title: Semiconductor device and method of manufacturing the same
Inventor: KOBAYASI MASAO
IPC: H01L23/29
Filed: 2002-12-23
Abstract: PURPOSE: A semiconductor device having a high heat-radiating characteristic and a fabricating method thereof are provided to prevent wiring constraints from being imposed on a mounted substrate by improving the heat-radiating characteristic. CONSTITUTION: A semiconductor device includes a semiconductor chip(1) which is sealed with a resin(4). The semiconductor chip is mounted on a bottom face of a heat-radiating part(5). The radiating part is used as a die pad. A top face of the radiating part is exposed to an outer side of the resin. An insulating layer(6) is formed on the top face of the exposed radiating part. A terminal(2) arranged on the same face as the bottom face of the resin and the electrode of the semiconductor chip are connected through a wire(3).
Patent KR-20040057053-A (KR)
Title: Method for controlling electrode melt-rate in Electro-Slag Remelting process
Inventor: KIM YONG DEOK
IPC: C22B9/18
Filed: 2002-12-23
Abstract: PURPOSE: A method for controlling electro melt rate in electro-slag remelting process is provided to obtain uniform and good quality of refined steel by measuring electrode melt rate, thereby stably controlling electrode melt rate in the electro-slag remelting process. CONSTITUTION: The method comprises a step of setting reference electrode melt rate and reference voltage change width and reference over-change frequency according to the reference electrode melt rate; a step of measuring actual over-change frequencies exceeding the set reference voltage change width in the actual electro-slag remelting process, and judging whether the measured actual over-change frequencies are included in the range of the set reference over-change frequency or not; and a step of lowering voltage if the measured actual over-change frequencies are not included in the range of the set reference over-change frequency, wherein the method comprises a step of measuring actual electrode melt rates if the measured actual over-change frequencies are included in the range of the set reference over-change frequency, and comparing magnitude of the actual electrode melt rates with that of the set reference electrode melt rate; a step of lowering voltage and lowering reference electrode transfer speed at the same time if the actual electrode melt rates are higher than the set reference electrode melt rate; and a step of rising the voltage and increasing the reference electrode transfer speed at the same time if the actual electrode melt rates are lower than the set reference electrode melt rate.