baber/WOPTO huggingface dataset:
Patent KR-20040013300-A (KR)
Title: MOS Transister and Method of manufacturing semiconductor device comprising the same
Inventor: CHOI SI YEONG
IPC: H01L21/8234
Filed: 2002-08-05
Abstract: PURPOSE: A metal-oxide-semiconductor(MOS) transistor is provided to improve the capacity by minimizing a defect like punch-through caused by extension of a depletion layer in a drain region and by reducing the resistance with a pad electrode in contact with the drain region. CONSTITUTION: The first silicon layer(100) is formed. A silicon germanium layer(101) is partially formed on the first silicon layer. The second silicon layer(102) is formed on the silicon germanium layer. A gate electrode is formed on the second silicon layer by interposing a gate insulation layer. A source region formed of impurities of the first density is formed under the second silicon layer extended from one side surface of the gate electrode. A drain region formed of impurities of the second density is formed under the second silicon surface extended from the other side surface of the gate electrode, confronting the source region. A blocking layer pattern(108) for controlling the generation of the depletion layer comes in contact with the side surface of the silicon germanium layer, corresponding to the bottom of the drain region.
Patent KR-20030014656-A (KR)
Title: Base board for electronical chip-container board and container board using same
Inventor: AZUMAKAWA YOSHIHIRO
IPC: C09J7/04
Filed: 2002-08-08
Abstract: PURPOSE: A paper material for using as a chip-type electronic component storage mount has good peeling strength and is free from fluff even if a cover tape or a bottom tape is glued to the chip-type electronic component storage mount by heat-sealing with a high gluing speed. A storage mount using the same is provided. CONSTITUTION: An adhesive moderator having 6.5-14.0 of solubility parameter is distributed on at least one side of front and rear surfaces of the paper material. A distribution quantity of the adhesive moderator is 0.005-2.0g/m¬2.
Patent KR-20040018718-A (KR)
Title: Soldering flux for Pb-free alloy solder
Inventor: SUNG BAEK GI
IPC: B23K35/363
Filed: 2002-08-26
Abstract: PURPOSE: A soldering flux of a lead-free alloy is provided to prevent a welding fault by improving a dispersion property of the soldering flux in match with a melting point and fluidity of a lead-free solder. CONSTITUTION: A soldering flux of a lead-free alloy includes 0.01 to 5.0 weight percent of pyridine bromine salt, 0.01 to 5.0 weight percent of guanidine bromine salt, 0.1 to 8.0 weight percent of gum rosin, 0.01 to 5.0 weight percent of synthetic rosin, 0.01 to 5.0 weight percent of fatty acid, industrial alcohol, 0.1 to 8.0 weight percent of disproportionated rosin, 0.01 to 5.0 weight percent of maleic degenerated rosin, and 0.01 to 5.0 weight percent of ethyl amine bromine salt. An Sn-Cu-Ni-P based lead-free alloy solder is used for the soldering flux.
Patent KR-20020079657-A (KR)
Inventor: PARK SEONG GU
IPC: F16L59/00
Filed: 2002-09-03
Abstract: PURPOSE: A cover for keeping warmth of an elbow pipe is provided to improve a working efficiency with increasing an insulation effect for the elbow pipe by forming a central angle of the cover corresponding to an angle of the elbow pipe. CONSTITUTION: A cover(100) for keeping warmth of an elbow pipe includes cutting sections having a reverse-V shape. The cutting sections are arranged at a peripheral portion of the cover(100). At this time, a central angle of the cover(100) is one of 45, 60, and 90 degrees. When the central angle of the cover(100) is 90 degrees, three cutting sections having an angle of 30 degrees are arranged at the peripheral portion of the cover(100). When the central angle of the cover(100) is 60 degrees, three cutting sections having an angle of 20 degrees are arranged at the peripheral portion of the cover(100). When the central angle of the cover(100) is 45 degrees, two cutting sections having an angle of 22.5 degrees are arranged at the peripheral portion of the cover(100).
Patent KR-20040024287-A (KR)
Title: Method for manufacturing high-strength cathode for molten carbonate fuel cell and high-strength cathode made from the same method
Inventor: CHO EUN AE
IPC: H01M4/88
Filed: 2002-09-13
Abstract: PURPOSE: Provided are a process for producing a high strength cathode for a molten carbonate fuel cell(MCFC) by using an alkali metal and/or an alkali earth metal component as a sintering aid and the cathode produced by the process. CONSTITUTION: The process for producing the high strength cathode for the MCFC comprises the steps of: preparing slurry for tape casting by injecting 0.01-15mol%(based on nickel) of the alkali metal and/or the alkali earth metal component as the sintering aid into the nickel powder; molding the slurry by the tape casting method; drying and sintering. The sintering aid is a salt or alkoxide of at least one alkali metal and/or at least one alkali earth metal, wherein the salt is nitrate, acetate, sulfate, hydroxide, chloride, or phosphate and the alkoxide is methoxide, ethoxide, propoxide, or butoxide.
Patent KR-20040025792-A (KR)
Title: Semiconductor device having buried gate electrode and method for fabricating the same
Inventor: LEE DO YEONG
IPC: H01L21/336
Filed: 2002-09-17
Abstract: PURPOSE: A semiconductor device with a buried gate electrode and a method for manufacturing the same are provided to restrain short-channel effect without adding ion-implantation processing. CONSTITUTION: A trench(25) is formed on a semiconductor substrate(21). A gate insulating layer(26a) is coated on the trench. A gate electrode(29a) is filled in the trench and protruded on the surface of the substrate. The first active region and the second active region are isolated by the trench(25). At this time, the bottom of the trench(25) is operated as a channel.
Patent KR-20030024620-A (KR)
Title: A semiconductor device and method of manufacturing the same
Inventor: MASUDA MASACHIKA
IPC: H01L21/56
Filed: 2002-09-17
Abstract: PURPOSE: To prevent generation of defects caused by the outflow of an adhesive in semiconductor device fabrication by a collective molding method wherein a semiconductor chip is fixed on a wiring board via the adhesive. CONSTITUTION: The semiconductor device comprises (a) a wiring board which comprises a principal plane, an insulation film formed on the principal plane, and an electrode formed on the principal plane so as to be exposed from the insulation film, (b) a semiconductor chip fixed on the insulation film formed on the principal plane of the wiring board via an adhesive, (c) a conductive wire for connecting the electrode on the principal plane of the wiring board and the electrode of the semiconductor chip, and (d) a sealing material which coats the semiconductor chip, the principal plane of the wiring board, and the electrodes. (e) Recesses are formed between the semiconductor chip and the electrodes, and (f) the sealing material and the wiring board have side faces cut by dicing. An outflow part of the adhesive (insulating resin) is gathered in the recesses without overflowing, and therefore does not reach the electrodes. The recesses are formed by removing a part of the insulation film in the full depth.
Patent KR-20040027141-A (KR)
Title: Organic Waste Disposing Apparatus
Inventor: BYUN KANG IK
IPC: B09B5/00
Filed: 2002-09-27
Abstract: PURPOSE: An organic waste treating apparatus is provided which stably treats organic waste without pollution of soil, air and water and is capable of recycling gases generated when treating the organic waste as a heat source. CONSTITUTION: In an ordinary organic waste treating apparatus comprising acid fermentation tank(30), methane fermentation tank(40) and alkali fermentation tank(50) dividingly formed in treating tank reclaimed underground, the apparatus comprises a gas-water separator connected to a gas outlet(42) for exhausting methane gas generated in the methane fermentation tank to separate gas and water; a deodorizer for removing malodor in the methane gas flown in the deodorizer from the gas-water separator; a methane gas tank for storing methane gas flown in the methane gas tank from the deodorizer; a hot water boiler for heating water by burning the methane gas supplied from the methane gas tank; and a heating plate(32) comprising a heating pipe(33) for heating the bottom of the acid fermentation tank using hot water heated in the hot water boiler.
Patent KR-20040028057-A (KR)
Title: Subscriber ring-back tone length adjustment method
Inventor: KO YEONG SU
IPC: H04W4/16
Filed: 2002-09-28
Abstract: PURPOSE: A method is provided to efficiently use the wireless resource by permitting subscribers to have different time durations of the ring back tone in a radio communication system. CONSTITUTION: A method comprises a first step(301,302) of setting ring back tone duration time information in the subscriber profile; a second step(303) of permitting the calling exchange to provide the ring back tone duration time information to the destination exchange when the calling party has made a request on a call connection; a third step(304 to 306) of permitting the destination exchange to call the destination subscriber, setting a ring back timer based on the ring back tone duration time information, and transmitting a ring back tone to the calling party; and a fourth step(307 to 313) of transmitting a ring back tone within the range of ring back tone duration time and stopping the transmission upon elapse of the ring back tone duration time.
Patent KR-20040028165-A (KR)
Title: Apparatus for selecting antenna matching circuit
Inventor: MIN JEONG DONG
IPC: H04B1/48
Filed: 2002-09-30
Abstract: PURPOSE: An antenna matching selection apparatus is provided to obtain the optimum receiving sensitivity with respect to the changes of frequencies. CONSTITUTION: An antenna matching selection apparatus comprises an antenna(310) for performing a wireless communication between a base station and a terminal; a control unit(320) for sensing a communication frequency and outputting a control voltage in accordance with the sensed frequency; a switch unit(330) for turning on/off a switch in accordance with the control of the control voltage; a first matching unit(340) for matching the optimum voltage standing wave ratio for a predetermined frequency when connected to the antenna through the switching unit; and a second matching unit(350) for matching the optimum voltage standing wave ratio for another predetermined frequency when connected to the antenna through the switching unit.
Patent KR-20040027238-A (KR)
Inventor: KIM YEONG CHI
IPC: B60B35/16
Filed: 2002-09-26
Abstract: PURPOSE: A producing method for a steel casting product of an axle housing is provided to produce the axle housing of the steel casting without casting defect. CONSTITUTION: A pattern is chosen after checking a lot number and an item number. A mold is produced. Upper and lower molds are united after removing foreign materials and checking coating and chill(20). Melted liquid is poured into the mold. Molding sand is removed after cooling the mold. A gate system is removed and repair of welds is performed when defect is checked after removing the gate system. An unnecessary portion is removed by a grinder. A heat treatment is performed when a grinding operation is finished. A painting operation is performed after checking appearance. Thereby, the axle housing of the steel casting is made without casting defect.
Patent KR-20040029870-A (KR)
Title: Method for adjusting ion injection angle in semiconductor device
Inventor: KWON YEONG MIN
IPC: H01L21/265
Filed: 2002-10-02
Abstract: PURPOSE: A method for controlling an ion implantation angle of a semiconductor device is provided to obtain correctly the ion implantation angle by monitoring a setting state of the ion implantation angle of an ion implantation unit. CONSTITUTION: A photoresist pattern is formed on a silicon wafer(1) on which polysilicon(3) is deposited. An ion implantation angle of an ion implantation unit is determined. Phosphorus is implanted onto the photoresist pattern by using the ion implantation unit. The photoresist pattern is removed therefrom. A concavo-convex part is formed on the polysilicon(3) by performing a wet-etch process using a hydrofluoric acid solution. An incident angle between an inner wall of a groove(9) and an imaginary line perpendicular to the inner wall of the groove(9) is measured by performing a tomography for the silicon wafer(1). An ion implantation angle of the phosphorus is obtained by using the incident angle. The ion implantation angle of the ion implantation unit is reset if the incident angle is not 0 degree.
Patent KR-20040033332-A (KR)
Title: Functionalized organic compound coated particles for electrophoretic displays and method for forming the same
Inventor: AHN SEONG DEOK
IPC: G02F1/167
Filed: 2002-10-09
Abstract: PURPOSE: Charged particles for an electrophoresis display coated with a functional organic compound, and a method for manufacturing the same are provided to easily manufacture charged particles having the high mobility, the reflexibility, and the bistability. CONSTITUTION: A colloid solution formed of dispersed inorganic oxide particles is formed in a solvent(10). A uniform mixture is formed by mixing a functional organic compound with the colloid solution(20). A temperature of the mixture is decreased while being agitated so that crystals are formed by coating the inorganic oxide particles with the crystallized organic particles(30). The formed crystals are dividedly purified(40). A control agent for electric charges is attached to surfaces of the crystals(50).
Patent KR-20040032403-A (KR)
Title: Economical And Scalable Sort-Last System Using PC Cluster
Inventor: JIN JONG UK
IPC: G06T17/00
Filed: 2002-10-09
Abstract: PURPOSE: A post-sorting system for processing a three-dimensional graphic using a personal computer is provided to accurately process a three-dimensional image and reduce construction costs. CONSTITUTION: A first pipe(100) and a second pipe(200) are personal computers installed to divide one graphic data for rendering the graphic data. An alpha(300) is another personal computer installed to process a boundary region of the divided graphic data to generate data for synthesizing the images divided and rendered by the first pipe and the second pipe. A graphic synthesizer(400) synthesizes the graphic images output from the first pipe, the second pipe, and the alpha for generating a complete three-dimensional graphic and outputting the generated three-dimensional graphic. A master(500) synchronizes the first pipe, the second pipe, and the alpha with one another.
Patent KR-20040033108-A (KR)
Title: An apparatus for removing floated sludge of sedimentation tank
Inventor: JUN IN YONG
IPC: C02F1/24
Filed: 2002-10-11
Abstract: PURPOSE: Provided is a sludge scraper for compulsively and completely collecting and eliminating floating sludge in a sedimentation tank for preventing overflow of sludge to a treated water discharge pipe. CONSTITUTION: The sludge scraper rotating on a center pillar(102) fixed at the center of a sedimentation tank for eliminating floating sludge, comprises a sludge collection unit with a sludge collection plate(14) which is fixed to a cylinder(12) installed in a side of a lower portion of a scrapper body, located to face a scraper arm(204), and vertically moves for eliminating sludge floated on the surface of water between the scraper arms(204); and a sludge discharge unit with a rail(32) provided in the scraper body, a moving object sliding along the rail(32), and a sludge skimmer(36) provided under the moving object for discharging the collected sludge to a sludge discharge box.
Patent KR-20040034026-A (KR)
Title: A Plate type fuel processor for fuel cell
Inventor: AHN SEONG JIN
IPC: H01M8/04
Filed: 2002-10-17
Abstract: PURPOSE: A plate-type fuel modifier for a fuel cell is provided, to reduce a size and weight to allow it to be suitable for the residential fuel cell system. CONSTITUTION: The plate-type fuel modifier comprises a preheater(10) for preheating the water supplied from the exterior; a mixing preheater(20) for mixing the preheated water with the hydrocarbon gas supplied from the exterior and preheating the mixture; a vapor modification reactor(30) where the preheated reaction gas absorbs heat and generates hydrogen by vapor modification reaction; and a burner(40) for supplying the heat for the endothermic reaction of the vapor modification reactor, wherein the preheater, the mixing preheater and the vapor modification reactor are set in plate-type so as to be inter-layered in the inside of an insulation-treated modifier body(50). Preferably the preheater, the mixing preheater and the vapor modification reactor are layered in turns, and the burner is placed below the vapor modification reactor.
Patent KR-20020090962-A (KR)
Inventor: KIM TAE HUI
IPC: H04B1/7136
Filed: 2002-10-22
Abstract: PURPOSE: A frequency hopping device is provided to down a frequency outputted from a VCO(Voltage Controlled Oscillator), and to feedback the downed frequency to a PLL, thereby improving a phase noise and operating the PLL in a system using a high frequency. CONSTITUTION: A crystal oscillator(300) generates a reference frequency signal. A VCO(320) generates a frequency signal in accordance to a control voltage from a PLL(331). A frequency generator(330) generates a phase-locked frequency signal on the basis of the reference frequency. A mixer(350) mixes the frequency signal of the VCO(320) with the frequency signal of the frequency generator(330), to down a frequency, and outputs the downed frequency. The PLL(331) divides the frequency signals of the mixer(350) at a predetermined dividing rate by a given frequency setting value, and compares the divided frequency signals with a phase of the frequency signal from the crystal oscillator(300), then generates the control voltage in accordance with phase differences.
Patent KR-20040040911-A (KR)
Title: method of forming a porous material layer in a semiconductor device
Inventor: JUNG HYEON DAM
IPC: H01L21/316
Filed: 2002-11-08
Abstract: PURPOSE: A method for forming a porous material layer of a semiconductor device is provided to be capable of originally preventing the generation of carbon residues and generating porosities in an impurity containing inorganic material layer. CONSTITUTION: A predetermined material layer is formed on a substrate(31). At this time, the predetermined material layer contains predetermined impurities to react with H2O molecules. A plurality of porosities are generated in the predetermined material layer by heating the resultant structure using vapor under a high pressure(37). Preferably, an insulating layer is used as the predetermined material layer. Preferably, the insulating layer is made of one selected from a group consisting of the first BPSG layer, the first BSG layer, the second BPSG containing PSG and fluorine atoms, or the second BSG layer containing fluorine atoms. Preferably, the predetermined impurities are boron atoms or phosphor atoms.
Patent KR-20040043696-A (KR)
Inventor: MIN BYUNG EE
IPC: F16L9/12
Filed: 2002-11-19
Abstract: PURPOSE: A culvert drain passage for a road is provided to prevent the introduction of a landslide with a filter structure to facilitate the drainage of the culvert drain passage. CONSTITUTION: A hollow hole consists of an upper surface(22), an inner surface(25) and side walls. The hollow hole rotating in a spiral manner is integral with an attach support having drain holes(27) at the inner surface to form a culvert drain passage. An outer wall having drain holes is formed to attach a side surface formed at the half height of the hollow hole to a melting support at the upper surface having a half height of the side walls in an integral manner.
Patent KR-20040043996-A (KR)
Title: Improved compositions for the treatment of Male Erectile Dysfunction
Inventor: PODOLSKI JOSEPH S
IPC: A61K31/5575
Filed: 2002-11-20
Abstract: PURPOSE: A composition for treatment of male erectile dysfunction containing phentolamine and alprostadil in a buffer containing L-arginine and glycine is provided. It helps cause, promote and maintain an erection and increases or recovers human sexual reaction when injected into the corpora cavernosa of the penis. CONSTITUTION: The composition for treatment of male erectile dysfunction contains phentolamine and alprostadil in a buffer containing a substrate for nitric oxide synthesis. The phentolamine is phentolamine mesylate, phentolamine hydrochloride or phentolamine salts which meet pharmaceutical standards. The composition contains phentolamine mesylate and alprostadil in a weight ratio of abut 5:0.005 and in a concentration of about 0 to 10mg/ml and about 0 to 40mg/ml respectively. The substrate for nitric oxide synthesis is a mixture of L-arginine and glycine.
Patent KR-20040044698-A (KR)
Title: An apparatus for preventing sealing-cloth breakage and covering a sleeve in a charging car for a coke oven
Inventor: JUNG HYO SEUNG
IPC: C10B31/00
Filed: 2002-11-21
Abstract: PURPOSE: An apparatus for preventing damage of sealing cloth and covering sleeve in coke oven charging car is provided to prevent wearing of the sealing cloth by installing sealing cloth inner encircling body at lower part of inner sleeve and prevent generation of gap between lower part of the drop sleeve and charging door frame by installing sleeve cover body on the outer wall of drop sleeve. CONSTITUTION: In a coke over charging car comprising a drop sleeve(150) connected to an inner sleeve(160) at the outer wall side of charging chute(110) on main body by sealing cloth(170) to charge coal into coke oven chamber, the apparatus(1) for preventing damage of the sealing cloth and covering sleeve in the coke oven charging car comprises a sealing cloth inner encircling body(10) perpendicularly fixed to the bottom of the inner sleeve adjacently to the sealing cloth to prevent bending of the sealing cloth; and a sleeve cover body(30) installed at the outer side of the drop sleeve so that the sleeve cover body cooperates with the drop sleeve as the sleeve cover body is being vertically moved by cross bar(130) to charge coal into the charging door without formation of gap on charging door, wherein the sealing cloth inner encircling body comprises connection rod(12) and ring shaped encircling body(14), wherein the sleeve cover body comprises ring shaped plate, cylindrical heat resistant cover and cylindrical cover(36), and wherein guide(38) and fixing block(40) are respectively installed upper and lower parts of the outer circumferential surface of the drop sleeve.
Patent KR-20040045116-A (KR)
Title: device for detecting amount of microbe for cleaning tub in washing machine and method for cleaning tub by using the same
Inventor: CHO SEONG JIN
IPC: D06F33/02
Filed: 2002-11-22
Abstract: PURPOSE: A microbe detecting device for cleaning a tub of a washing machine and a tub cleaning method are provided to wash the tub sanitarily and cleanly, and to prevent lowering of washing efficiency from remaining microbes by automatically detecting the pollution level of the inner tub and the outer tub. CONSTITUTION: An infrared gas sensor(15) is formed in a washing machine in which an outer tub(1) and an inner tub are installed vertically to the ground, mounted horizontally in the ground, or inclined to the ground. The infrared gas sensor detects the amount of carbon dioxide from microbes attached to the inner tub and the outer tub in the washing machine. The detected amount of carbon dioxide in the tub is compared with the reference value, and the amount of carbon dioxide over the reference value is alarmed to a user. Water is supplied and a tub cleaner is put for cleaning the tub, and soaking is performed for the predetermined time. The tub is washed according to algorithm for cleaning the tub, and water is drained.