baber/WOPTO huggingface dataset:
Patent KR-20030086837-A (KR)
Title: Method of manufacture contact hole in semiconduct device
Inventor: PARK GEUN JU
IPC: H01L21/60
Filed: 2002-05-07
Abstract: PURPOSE: A method for forming a contact hole of a semiconductor device is provided to be capable of preventing the damage of an isolation region when forming a borderless contact hole by previously forming a silicon nitride layer at the upper portion of an active region. CONSTITUTION: After sequentially forming a pad oxide layer(102a) and the first silicon oxide layer(104a) at the upper portion of a silicon substrate(100a), a shallow trench isolation groove is formed by carrying out a dry etching process at the resultant structure. An oxide layer(110b) is deposited on the entire surface of the resultant structure by carrying out a PECVD(Plasma Enhanced Chemical Vapor Deposition) for filling the groove enough. After exposing the upper surface of the first silicon nitride layer by carrying out a CMP(Chemical Mechanical Polishing) process, the oxide layer is partially removed by carrying out the first plasma etching process. Then, the second silicon nitride layer(112) is formed on the entire surface of the resultant structure.
Patent KR-20030087824-A (KR)
Title: Optical Module for Small Form Pluggable
Inventor: SHIN GI CHEOL
IPC: G02B6/42
Filed: 2002-05-10
Abstract: PURPOSE: A small-sized feature element type optical module is provided to minimize the size of a package and easily connect the package with a substrate by protruding pins from one side of the package to the external horizontally and laying the horizontally protruded pins at more than 2 layers. CONSTITUTION: An optical transmit module comprises an integrated module package(115), a substrate(101), a light-emitting element(103), and a light-receiving element(104). A condensing unit is provided on the front side of the package(115). Also the package(115) has a structure of pins laid at more than 2 layers and protruded to the external from its rear side horizontally. The substrate(101) is attached to the low surface of the inner chamber of the package(115). The light-emitting element(103) is fixed to the upper part of the substrate(101). The light-receiving element(104) is provided as a sensor to control the optical output of the light-emitting element(103). The condensing unit comprises a lens inserting slot(122), a transmitting lens(116), and a transmitting guide pipe(118). The lens inserting slot(122) and the transmitting lens(116) are formed at the front side of the package(115). The transmitting guide pipe(118) has a hollow part, which a transmitting ferrule(112) is inserted into.
Patent KR-20030089046-A (KR)
Title: A support for an aqueduct
Inventor: CHOI SEONG JU
IPC: E02B13/00
Filed: 2002-05-16
Abstract: PURPOSE: A channel pipe holder is provided to prevent the damage of a channel by fixing a cylindrical channel pipe firmly and to prevent the overflow of agricultural water by using a cylindrical channel pipe for a channel. CONSTITUTION: The channel pipe holder(100) comprises: a channel pipe support unit(110) composed of a semicircular support plate(112) to fix a channel pipe, a supporter(111) supporting the support plate(112) from the lower part, and a band coupler(114) formed on both ends of the supporter(111); and a band unit(120) composed of a band(121), a perforated hole(121a) perforated on the end of the band(121) and a fastening bolt(130).
Patent KR-20030089608-A (KR)
Inventor: HAN IN CHEOL
IPC: B60H1/00
Filed: 2002-05-16
Abstract: PURPOSE: A heating system for a fuel cell vehicle and a heating method using the same are provided to efficiently heat a car room using waste heat generated in a fuel cell without deteriorating efficiency of generation of electric power of the fuel cell vehicle. CONSTITUTION: A heating system(10) includes a main heater(16) supplying heated air into a car room; an auxiliary heater(18) installed near the main heater to selectively supply heated air depending on heating temperature of the main heater; a radiator(21) connected with the main heater, and installed on a channel of a first circulation tube(19) in which first heat exchange medium flows; a fuel cell stack(27) installed on a channel of a second circulation tube(28) in which second heat exchange medium flows; and a heat exchanger(26) installed on a boundary between the first circulation tube and the second circulation tube, and allowing the first heat exchange medium and the second heat exchange medium to exchange heat with each other to supply heat generated in the fuel cell stack to the main heater.
Patent KR-20020091786-A (KR)
Inventor: ONO YASUSHI
IPC: D05B3/14
Filed: 2002-05-28
Abstract: PURPOSE: To provide a sewing machine with wind thread enabling button capa ble of separately carrying a button and a cloth and coping with various kinds of sewing. CONSTITUTION: The sewing machine 1 is provided with a needle vertical movement mechanism 10 vertically driving a needlebar 9 provided with a sewing needle 5 on a lower end part by an almost horizontally installed main shaft 7, a needle swing mechanism 11 swinging the needlebar in an X direction, a lower Y feed mechanism 50 driving a lower plate 56 to almost horizontally mount a lower button and a sewing material on an upper surface in a Y direction orthogonal to the X direction, an upper Y feed mechanism 30 driving a chuck part 90 holding an upper button in the Y direction, a button differential mechanism 70 driving an upper button holding part in a direction parallel to the X direction and a CPU 102 controlling the respective driving means. By the sewing machine 1, the upper button and the cloth (lower button) are respectively independently driven in the X and Y directions.
Patent KR-20030092326-A (KR)
Title: Method for setting highlight window using remote controller and apparatus thereof
Inventor: HUH JAE CHEOL
IPC: G06F3/048
Filed: 2002-05-29
Abstract: PURPOSE: A method and a device for setting a highlighted region using a remote controller are provided to easily highlight a constant region on a screen in a remote place as setting up the highlighted region by using the remote controller. CONSTITUTION: A remote control sensor(120) detects a function button code wirelessly generated from the remote controller(110). A controller(130) checks the change of a highlight setting value on a highlight-on state if the code detected by the remote control sensor is the highlight function selection information. A video processor(140) generates a window according to the highlight setting value checked by the controller on the screen, and decodes a video signal. A highlight signal converter(150) adjusts a parameter for the video data of the window region generated from the video processor.
Patent KR-20030006989-A (KR)
Title: Corrosion Resistant Rare Earth Magnet and Its Preparation
Inventor: HAMADA RYUJI
IPC: H01F41/02
Filed: 2002-06-12
Abstract: PURPOSE: Provided is an R-T-M-B rare earth permanent magnet such as a neodymium magnet which can withstand use under rigorous conditions, and more particularly, a corrosion resistant rare earth magnet which is arrived at by providing the magnet with a corrosion and heat-resistant coating. CONSTITUTION: A corrosion resistant rare earth magnet includes a rare earth permanent magnet represented by R-T-M-B and a composite coating. In the R-T-M-B, R is at least one rare earth element(which may be yttrium), T is Fe or Fe and Co, M is at least one element selected from the group consisting of Ti, Nb, Al, V, Mn, Sn, Ca, Mg, Pb, Sb, Zn, Si, Zr, Cr, Ni, Cu, Ga, Mo, W, and Ta, and B is boron. The contents of the respective elements are 5 wt% ≤ R s 40 wt%, 50 wt% ≤ T ≤ 90 wt%, 0 wt% ≤ M ≤ 8 wt%, and 0.2 wt% ≤ B ≤ 8 wt%. The composite coating is formed on a surface of the permanent magnet by treating the permanent magnet with a solution comprising at least one flake fine powder selected from the group consisting of Al, Mg, Ca, Zn, Si, Mn and alloys thereof and a silicone resin, followed by heating.
Patent KR-20030097360-A (KR)
Filed: 2002-06-20
Abstract: 본 발명은 일종의 에틸렌 비닐 아세테이트(EVA;Ethylene-Vinyl Acetate) 바깥창의 제조공정에 관한 것으로서, 그 공정은 다음과 같다. 제 1 공정은 혼합정련으로 EVA(에틸렌 비닐 아세테이트)의 재료와 발포제를 균일하게 섞어 충분한 혼합상태에 이르게 한다. 제 2 공정은 롤러 회전으로 혼합된 재료를 롤러를 이용해 평평한 판체로 추출하고, 제 3 공정은 판체절단으로 판체를 적당한 길이의 작은 판체로 절단하며, 제 4 공정은 중량측정으로 이미 작은 조각으로 절단된 판체를 쌓아 적당한 중량에 이르게 한다. 제 5 공정은 입체 꽃무늬 모형의 일차 발포성형으로 사전 측량된 적당한 중량의 판체를 미리 설정한 소형 모형틀에 넣고 엄밀히 밀폐시킨후, 이 판체를 입체의 꽃무늬 모형의 성형틀에 넣어 발포성형하여 소형 모형틀을 열 때 발포성형된 신발무늬의 완성품 바깥창이 되는 것이다. 제 6 공정은 정리단계로, 소형 모형틀내에서 발포성형된 완성품의 바깥창을 손질하여 신발 밑창으로 완성시킨다. 이러한 공정을 통해 재료와 에너지의 낭비를 줄일 수 있고 더욱 좋은 신발 품질을 유지할 수 있다.
Patent KR-20040003844-A (KR)
Title: Disc tray of disc drive having resonator and disc drive comprising the same
Inventor: CHOI MYEONG RYEOL
IPC: G11B17/04
Filed: 2002-07-04
Abstract: PURPOSE: A disk tray for a disk drive for adopting resonators, and a disk drive having the same are provided to efficiently reduce or remove the most dominant resonant noise frequency in which a peak value of sound pressure appears. CONSTITUTION: A disk tray(110) is installed at a front part of a disk drive for loading and unloading a disk. A disk driving part(120) is formed of a turntable for securing the disk, and a spindle motor for rotating the turntable to rotate the disk at a predetermined speed. A disk chucking device includes a magnetic substance for fixing the disk at a rotary shaft. An optical pickup device(140) applies a laser beam for writing data on a disk recording surface and reading data from the disk recording surface. An optical pickup device driving part(150) slides the optical pickup device to the rotating disk. At least one or more resonators(170) are installed on a bottom surface of the disk drive for selectively reducing or removing a noise of specific noise frequency.
Patent KR-20040005212-A (KR)
Title: Compressor control device
Inventor: LEE BYEONG JUN
IPC: F16D27/112
Filed: 2002-07-09
Abstract: PURPOSE: A control unit for a compressor is provided to early detect slip between a disc clutch and a pulley and stop the compressor and accordingly to prevent the stick and burning of the compressor. CONSTITUTION: A control unit for a compressor(1) is composed of first and second holes(10,11), third and fourth holes(12,13), a bracket(20), first and second light emitters(21,22), first and second light receivers, and an ECU(Electronic Control Unit). The first and second holes are penetrated at inner and outer rings of a disc clutch(5) at regular intervals. The third and fourth holes are penetrated at inter and outer rings of a pulley(3) to face the first and second holes. The bracket is extended from the upside of the compressor toward the front side thereof. The first and second light emitters are combined to the tips of the bracket to output laser to the first and second holes of the disc clutch. The first and second light receivers are mounted to the tips of the third and fourth holes to receive light output from the first and second light emitters and supply a correspondent pulse signal to the ECU. The ECU receives the pulse signal input from the light receivers in turn-on operations of an air conditioner and compares the pulse with a predetermined reference point. When a start point of the pulse doesn't conform to the reference point, the ECU decides that slip is generated between the disc clutch and the pulley and turns off the compressor.
Patent KR-20040006360-A (KR)
Title: Epoxy molding compound for encapsulaing semiconductor
Inventor: KIM JAE SIN
IPC: C08L63/04
Filed: 2002-07-12
Abstract: PURPOSE: Provided is an epoxy resin composition for sealing a semiconductor device, which solves the problem of the separation between a wafer chip surface and the epoxy packaging material and does not cause package cracks at a high soldering temperature. CONSTITUTION: The epoxy resin composition comprises 2-10 wt% of an ortho-cresol novolac epoxy resin, 1-10 wt% of a diglycidyl ether bisphenol-modified epoxy resin, 2.0-10.5 wt% of a curing agent, 0.05-0.40 wt% of a curing accelerator, 70-90 wt% of an inorganic filler, 0.1-2.0 wt% of a coupling agent, and 0.8-1.2 wt% of a flame retarding agent and a flame retarding aid.
Patent KR-20030011544-A (KR)
Inventor: FUJIYOSHI TATSUMI
IPC: G09F9/35
Filed: 2002-07-18
Abstract: PURPOSE: To provide a display device which dispenses with a scrambling circuit, is small-sized and low-priced and can display colored natural image. CONSTITUTION: The display device has a display part 1a in which a plurality of data lines and scanning lines crossing each other in a matrix shape are provided on one substrate among a pair of substrates, a first group of data lines among the data lines are drawn out onto a first side being one side among sides of the substrates, a second group of data lines except the first group of data lines among a plurality of data lines are drawn out onto a second side at a position facing the first side among the sides of the substrate, a surface of the substrate is divided into a plurality of dots by a plurality of the data lines and scanning lines and a group of prescribed number of adjacent dots constitute a pixel Ga1, Ga2,.... The data lines connected with prescribed number of dots constituting a pixel on the display part are all drawn out to the same side among sides of the substrate.
Patent KR-20040009178-A (KR)
Title: Flip Chip On Film And The Fabricating Method Thereof
Inventor: PARK JAE SOON
IPC: H01L21/60
Filed: 2002-07-22
Abstract: PURPOSE: A method for fabricating a flip chip-on-film is provided to fabricate a flip chip-on-film capable of being adapted to a product of a fine pitch by forming a fine pattern. CONSTITUTION: A two-layer flexible printed circuit composed of electrolysis foil or rolling foil is prepared. A tin plating layer(6) of a fine pitch is formed on the flexible printed circuit. A chip is prepared which has a bump layer in a position corresponding to the plating layer. The chip is pressed to contact the bump layer with the plating layer so that an alloy layer(8) is formed on the interface between the bump layer and the plating layer. Resin is filled between the chip and the two-layer flexible printed circuit.
Patent KR-20030011695-A (KR)
Title: Liquid crystal display device and method for fabricating the same
Inventor: LEE DONG HO
IPC: G02F1/1335
Filed: 2002-07-30
Abstract: PURPOSE: A liquid crystal display device and a method for fabricating the same are provided to control the viewing angle in a predetermined range by using the reflection characteristics of external light and the characteristics of transmission light. CONSTITUTION: A liquid crystal display device includes first and second substrates, and a liquid crystal layer implanted between the substrates. The first substrate includes thin film transistors disposed on the substrate in the shape of matrix, an organic insulating film(205) for insulating the thin film transistors and having contact holes for exposing output terminals of the respective thin film transistors and viewing angle changing protrusions(205b) formed in the different shapes according to viewing positions for changing the viewing angles according to the viewing positions, and first electrodes(204a,204b) formed on the organic insulating film in the shape of matrix with different light reflectivity according to the viewing positions, some of the first electrodes being connected to the output terminals to be applied with a first power and the others covering the viewing angle changing protrusions. The second substrate is formed with color filters facing the first electrodes and second electrodes for covering the color filters.
Patent KR-20040013478-A (KR)
Title: Data Download Method for Mobile Communication Terminal
Inventor: HONG JI HOON
IPC: H04W8/24
Filed: 2002-08-06
Abstract: PURPOSE: A method for downloading data of a mobile communication terminal is provided to enable the mobile communication terminal to receive a transmitted bell melody, and to set a bell sound by a user, then to output the set melody if a ring signal is sensed, thereby implementing a differentiated bell melody. CONSTITUTION: A system connects with a bell melody provider through a terminal, and transmits bell melody selecting information to the bell melody provider through a communication network(ST100). The system receives information inputted by the terminal from the bell melody provider, selects a corresponding bell melody in a database, and transmits the selected bell melody to the terminal(ST110). The terminal displays the transmitted bell melody, and retransmits selected information of a user to the bell melody provider(ST120,ST130). If the selected information is transmitted, the bell melody provider transmits a bell melody for a corresponding section to the terminal. The terminal receives the bell melody, sets a bell sound, and outputs the set bell melody when a ring signal is sensed.
Patent KR-20020089221-A (KR)
Inventor: LIM JAE WOO
IPC: E03D9/08
Filed: 2002-08-21
Abstract: PURPOSE: A bidet provided with a rotary washing nozzle is provided to have excellent washing effects by washing off impurities in fan-shaped wrinkles of the anus. CONSTITUTION: In the bidet provided with a rotary washing nozzle, the washing nozzle rotates clockwise and counterclockwise by setting the rotational frequency of a motor and a timer to wash off the impurities in the anus without moving the hips.
Patent KR-20040018020-A (KR)
Title: A advance sewage treatment plant system
Inventor: KIM GI UNG
IPC: C02F3/30
Filed: 2002-08-24
Abstract: PURPOSE: Provided is an advanced sewage treatment system for treating sewage with high efficiency in a small land area by operating a single reaction tank under different conditions and in different modes alternatively and repeatedly and using media with attached microorganisms. CONSTITUTION: The system comprises an equalization basin(10), an anaerobic tank(20) for settling solids in wastewater transferred from the equalization basin(10) and denitrifying, a reaction tank(30) which is operated under aerobic condition and anaerobic condition, alternatively and repeatedly, and in upflow mode and downflow mode, alternatively and repeatedly, for removing organic material, nitrogen and phosphorous, and a treated water tank(40) for storing treated water and supplying back washing water and sidestreams, wherein forward stream of wastewater is formed through the anaerobic tank(20), a supply pipe(210), the reaction tank(30), the pipe(410) and the treated water tank(40) in turn, and backward stream of treated water is formed through the treated water tank(40), the pump(410), the reaction tank(30), a reverse transfer pipe(340) and the anaerobic tank(20) in turn, and wherein the forward stream and the backward stream are alternatively repeated to perfectly treat wastewater.
Patent KR-20040019778-A (KR)
Inventor: AHN HYU NAM
IPC: F04B39/12
Filed: 2002-08-29
Abstract: PURPOSE: A compressor is provided to reduce the pressure pulsation of discharged gas and noise without increasing the total volume of the compressor and to reduce the pressure drop of compression refrigerant discharged from the compressor. CONSTITUTION: A compressor for sucking in, compressing, and discharging refrigerant gas from an outer refrigerant circuit is composed of a cylinder(21) having a plurality of bores formed in a line at the inside; a front housing(23) combined to the front end of the cylinder to form a crank chamber(22); a driving shaft(28) supported to freely rotate for the cylinder and the front housing; a piston(36) coupled to an inclined plate element mounted to the driving shaft to rectilinearly reciprocate in the bore of the cylinder; and a rear housing(25) combined to the cylinder to close the rear of the cylinder. The rear housing comprises a discharge chamber(26) in which discharged gas flowed from the cylinder stays before the gas is discharged to the outer refrigerant circuit, formed in the center; a suction chamber(27) in which refrigerant gas sucked from the outer refrigerant circuit stays before the refrigerant gas is induced to the cylinder, to surround the discharge chamber; and a discharging pipe(48) formed at the rear end of the rear housing and passed through with gas discharged from the discharge chamber to the outer refrigerant circuit. An inlet(49) of the discharging pipe is positioned at the same distance from each discharge outlet(43) through which discharged gas flowed from the cylinder to the discharge chamber passes.
Patent KR-20040020551-A (KR)
Title: Oil furnishing structure of trust-face for hermetic compressor
Inventor: KIM YEONG JO
IPC: F04B39/02
Filed: 2002-08-30
Abstract: PURPOSE: An oil supply structure is provided to allow the oil to be smoothly supplied to the friction surface between the crank shaft and the frame of the compressor. CONSTITUTION: An oil supply structure comprises a frame(30) having a boss(32) penetrating in a vertical direction; a crank shaft(40) mounted on the boss of the frame in such a manner that the crank shaft is rotatable, wherein the crank shaft has oil channels(45,47,49); and a frame thrust surface(34) formed on the top surface of the frame corresponding to the edge of the inlet of the boss, wherein the frame thrust surface has first and second oil supply grooves(36,36') for supplying oil through the oil channels. The first and second oil supply grooves are extended in the centrifugal direction of the rotating center of the crank shaft.
Patent KR-20030022044-A (KR)
Inventor: PARKER GARTH ROCKWOOD JR
IPC: C02F1/42
Filed: 2002-09-05
Abstract: PURPOSE: A method for neutralizing both the surface charges of the anion exchanging component and the cation exchanging component of the mixed bed system by treatment with an anionic polyelectrolyte and a cationic polyelectrolyte is provided. CONSTITUTION: The non-agglomerating readily separable mixed bed ion exchange system comprises (a) a strong base quaternary ammonium anion exchange resin wherein the anion exchange resin is pretreated with 10 to 800 milligrams of water-soluble sulfonated poly(vinylaromatic) polyelectrolyte per liter of anion exchange resin; wherein the number average molecular weight of the sulfonated poly(vinylaromatic) polyelectrolyte is from 5,000 to 1,000,000; and (b) a strong acid sulfonated cation exchange resin wherein the cation exchange resin is pretreated with 10 to 800 milligrams of a water soluble cationic polyelectrolyte selected from the group of polymers consisting of poly(vinylaromatic) quaternary amine salts, poly(vinylaromatic) tertiary amine acid salts, or poly(vinylpyridines) acid salts, wherein the number average molecular weight of said polymers is from 5,000 to 1,000,000.
Patent KR-20040022477-A (KR)
Title: Method for forming storage node of capacitor
Inventor: AHN TAE HYEOK
IPC: H01L21/768
Filed: 2002-09-07
Abstract: PURPOSE: A method for forming a lower electrode of a capacitor is provided to improve process efficiency by forming various constitution elements by a small number of processes, and to prevent the lower electrode from being fallen and increase capacitance by supporting the lower portion of the lower electrode. CONSTITUTION: A predetermined region of an insulation layer on a semiconductor substrate(300) is etched to form the first opening. A passivation layer is formed on the entire insulation layer in such a manner that the passivation layer is thinner on the bottom of the first opening than on the side surface of the first opening and the top of the insulation layer. The passivation layer is so etched to expose only the bottom of the first opening. The first opening is buried by the first oxide to form a buried layer. The second oxide is deposited on the substrate including the buried layer to form an interlayer oxide. A part of the interlayer oxide is anisotropically etched to expose the top of the buried layer so that the second opening is formed. A wet etch process is performed on the buried layer exposed to the bottom of the second opening so as to expose the first opening again. A conductive layer is uniformly formed on the interlayer oxide including the first and second openings. The conductive layer formed on the interlayer oxide is removed to form a conductive layer pattern formed along the first and second openings. The interlayer oxide is eliminated.