baber/WOPTO huggingface dataset:
Patent KR-20030066893-A (KR)
Title: Method for improving reflectivity of optical switch for optical cross connector
Inventor: JUN CHI HUN
IPC: G02B26/00
Filed: 2002-02-05
Abstract: PURPOSE: A method for improving reflectivity of a mirror side of an optical switch for optical cross connector is provided to prevent the attenuation of signal beam by improving the reflectivity of a side section of a mirror portion. CONSTITUTION: A mirror portion(62) having a scallop formed on a side section(62a) is provided. A high reflective layer(70) is deposited on the side section of the mirror portion in order to bury the scallop. The high reflective layer is recrystallized. In the process for providing the mirror portion, an SOI substrate is formed by depositing sequentially a buried layer and a silicon layer on a substrate. The silicon layer is etched by using a deep-RIE method and the mirror portion is formed thereby. The scallop is formed on the side section of the mirror portion by performing the deep-RIE process.
Patent KR-20020069125-A (KR)
Inventor: AMANO HIDEHARU
IPC: G06F9/54
Filed: 2002-02-20
Abstract: PURPOSE: To obtain a cache memory system device in which a cache miss does not occur and which can execute non-synchronous operation in a multiprocessor system, etc. CONSTITUTION: A software control mode controlled by software is added, a DTC 8 being a processor for managing data transfer in a software control mode is also added, algorithm for managing line information of a cache memory 6 is added to a compiler in preparing a program to the DTC 8, and the DTC 8 preliminarily prepares data to be needed by a processor CPUm in the memory 6 according to a code generated by the compiler when static prediction of the compiler is possible, and dynamically prepares data in the memory 6 by receiving information from the processor CPUm and calculating an address when the static prediction of the compiler is impossible.
Patent KR-20030070331-A (KR)
Title: Recovery of Gold and Silver from Acidic Thiourea Solution with Iron Powder
Inventor: KIM SEONG GYU
IPC: C22B11/00
Filed: 2002-02-25
Abstract: PURPOSE: A method for recovering gold and silver from acidic thiourea aqueous solution using iron powder is provided to environment friendly and efficiently recover and separate gold and silver from the acidic thiourea aqueous solution containing gold, silver and other trace of impurities by using iron powder as precipitant. CONSTITUTION: The method for recovering gold and silver from acidic thiourea aqueous solution using iron powder comprises the steps of adding iron powder as precipitant to the acidic thiourea aqueous solution as injecting nitrogen gas into an acidic thiourea aqueous solution in which gold ore is leached; and selectively precipitating gold and silver in the acidic thiourea aqueous solution by stirring the acidic thiourea aqueous solution as continuously injecting the nitrogen gas into the acidic thiourea aqueous solution, wherein the nitrogen gas is injected into the acidic thiourea aqueous solution at a flux of 200 to 400 mL/min, wherein size of the iron powder corresponds to a sieve size of 100 to 200 meshes, and the iron powder is added to the acidic thiourea aqueous solution in an amount of 3 to 5 g/L, wherein temperature of the precipitation is maintained to 20 to 30 deg.C, wherein speed of the stirring is maintained to 200 to 300 rpm, and wherein time of the precipitation is maintained to 30 to 40 minutes.
Patent KR-20030070659-A (KR)
Title: A fire fighting nozzle for sensing ultraviolet rays
Inventor: LEE JEONG GYU
IPC: A62C31/02
Filed: 2002-02-26
Abstract: PURPOSE: A fire-fighting nozzle is provided to correctly find out possibly residual flame and/or spark after suppressing fire on the spot and to completely eliminate the flame and/or spark by endowing UV sensing function. CONSTITUTION: The nozzle is produced by connecting connection bodies applied with connection nut(3a) together at front side of a projection bottom between a body for the nozzle and a rear part body by means of coupling nuts. The connection nut(3a) has a sensing device(10) consisting of a front end cap(12) having UV flow passage of a sensor(17) through it and a protruded switch(13), and sensing LEDs(14) at front top/bottom portions. The sensing device(10) is connected to a cylindrical housing by a connection screws(11a). The sensor(17) is constructed with a rechargeable battery, constant voltage circuit and amplification circuit and a sensing LED.
Patent KR-20030072542-A (KR)
Title: Rotary head structure of head- drum in VCR
Inventor: YOEN UI JEONG
IPC: G11B5/53
Filed: 2002-03-04
Abstract: PURPOSE: A rotating head structure for magnetic recorder head drum is provided to minimize vibration generated in an initial contact of a tape with a rotating head, thereby accurately writing or reproducing video signals. CONSTITUTION: A head main body(56) is installed in a rotating drum(52) of a head drum(50). A first contact part(57) and a second contact part(58) are formed at a front end of the head main body to be exposed to an outer peripheral surface of the head drum and be contacted to a tape traveling surrounding the outer peripheral surface. At this time, the first contact part is contacted to the tape before the second contact part. The width(B) of the first contact part is narrower than the width(A) of the second contact part.
Patent KR-20030072902-A (KR)
Title: The synthetic method of guanidyl polymers
Inventor: KIM SEUNG SU
IPC: C08F2/46
Filed: 2002-03-07
Abstract: PURPOSE: Provided is a method for more economically producing a high molecular weight guanidine-based polymer having excellent adsorption, washing resistance, and antibacterial property, in a more ecofriendly mode. CONSTITUTION: The method is useful for producing a guanidine-based polymer in polymerization reaction system using a microwave as heating medium and water as solvent. The microwave is an electric wave having a frequency of 2450±50 MHz. The temperature of the polymerization is 120-160 deg.C. The polymer is a polyalkylene guanidine or polyalkylene biguanidine. The method can reduce environmental pollution without using an organic solvent, and provides high reaction rate and reaction yield.
Patent KR-20030073784-A (KR)
Inventor: LEE JUNG YONG
IPC: G07G1/00
Filed: 2002-03-13
Abstract: PURPOSE: A money receiving and paying apparatus is provided, which sends out coins to be paid accurately. CONSTITUTION: The money receiving and paying apparatus receives money and sends out coins automatically as change. At least more than one tray(30) receives coins per kind, and its side is formed to be inclined, and its bottom and top have an open shape. A rotation pillar is attached on the bottom of the above tray and sends out coins as being rotated by a driving force, and its top is shaped as a circular cone. And the above coins are dropped into at least more than one drop hole(35) and then are sent out.
Patent KR-20030077204-A (KR)
Title: Demodulator for europe digital television system for terrestrial broadcasting signal and cable broadcasting signal
Inventor: KIM MIN HO
IPC: H04N5/46
Filed: 2002-03-25
Abstract: PURPOSE: A demodulator of an European digital television system used in common for both ground wave and cable is provided to reduce an area of hardware of the European digital television system. CONSTITUTION: A locking detector(614) obtains a symbol rate of a demodulated signal by using a detecting signal of a QAM(Quadrature Amplitude Modulation) timing error detecting unit(605) to discriminate a ground wave broadcasting signal and a cable broadcasting signal. A selecting element(616) selects one of the detecting signal of the QAM timing error detecting unit and a detecting signal of an OFDM(Orthogonal Frequency Division Modulation) timing error detecting unit(609). A frequency synchronizing unit(608) generates a frequency control signal according to a result of the discrimination of the locking detector. An output signal of a frequency compensating unit is inputted to one of a fast fourier transformer(611) and a QAM equalizer. The ground wave broadcasting signal is inputted to an FEC(Forward Error Correction)(615) via the fast fourier transformer and an OFDM equalizer. The cable broadcasting signal is inputted to the FEC via the QAM equalizer.
Patent KR-20030077880-A (KR)
Title: A coupler device for sintering
Inventor: PARK CHAN YONG
IPC: C03B37/018
Filed: 2002-03-27
Abstract: PURPOSE: A coupler for sintering optical preforms produced by outside vapor deposition(OVD) is provided to enable automatic arrangement due to gravity, and to prevent the bending of preforms in a sintering process. CONSTITUTION: The coupler is characterized by comprising the parts of: a rotating rod(axis,10) having a rotating rod ball(12), on its end; a preform rod(20) having a preform rod ball(22), on its end; a hollow coupler(30), connecting the preform rod and the rotating rod, which has a rugby ball or cylinder shape, a ball-inlet formed vertically on the side of the coupler, and extrusions on its top and bottom for catching the ball. The gap between the rotating axis and the preform rod enables flexibility with the coupler, resulting in automatic arrangement to the direction of gravity of preforms. The coupler, the rotating rod, and the preform rod are made of quartz.
Patent KR-20030079468-A (KR)
Title: Method for confirming the telomere looping by employing 2d gel electrophoresis
Inventor: KIM SEUNG HYUN
IPC: C12Q1/68
Filed: 2002-04-04
Abstract: PURPOSE: A method for detecting the telomere looping by using 2D gel electrophoresis is provided, thereby easily detecting the telomere looping. Therefore, disorder of telomere can be rapidly analyzed. CONSTITUTION: A method for detecting the telomere looping comprises subjecting the telomere to 2D gel electrophoresis and determining the telomere looping based on the difference of the electrophoresis-developed rate, wherein the 2D gel electrophoresis is carried out by carrying out the first electrophoresis of DNA, vertically cutting the gel containing DNA, and carrying out the second electrophoresis of the first developed DNA on a gel containing a DNA intercalating agent such as ethidium bromide in an opposite direction, wherein the electrophoresis pattern of telomere is analyzed by using southern hybridization.
Patent KR-20030067444-A (KR)
Title: Liquid crystal display device having reflective electrode and method of manufacturing the same
Inventor: KIM BONG JU
IPC: G02F1/1343
Filed: 2002-04-04
Abstract: PURPOSE: A liquid crystal display having a reflective electrode and a method for manufacturing the same are provided to completely cover a second metal film of a wire layer terminal with a passivation film, thereby preventing a cell reaction between a pad electrode and the second metal film due to infiltration of chemicals or moisture. CONSTITUTION: A substrate(100) includes a display area(D) and a pad area(P). A wire layer includes a wire layer terminal(115) placed at the pad area, and is formed of a first metal film(102) and a second metal film(104) accumulated on the first metal film. A passivation film(155) is formed on the wire layer and the substrate, completely covering a side wall of the second metal film of the wire layer terminal while having pad contact holes(160,165) exposing the first metal film of the wire layer terminal. Pad electrodes(172,175) formed of a transparent conductive film are continuously formed on the side walls and bottom surfaces of the pad contact holes, and part of the passivation film. An organic insulating film(180) is formed on the display area. A reflective electrode(190) is formed on the passivation film.
Patent KR-20030084315-A (KR)
Title: A complementary apparatus for rotation of tire wheel and method using it
Inventor: KIM JONG UK
IPC: B60B29/00
Filed: 2002-04-26
Abstract: PURPOSE: A device and method for compensating the rotation balancing of tire wheels is provided to reduce wrong operations and improve working efficiency by automatically selecting the specification and the mounting position of mass body with a value measured from a material detecting sensor and a tire wheel balancing device. CONSTITUTION: A device(100) for compensating the rotation balancing of tire wheels(13) is composed of a material detecting sensor(10) for discriminating the material of the tire wheel transferred to a conveyor(11); a tire wheel balancing device(20) for measuring the unbalance of mass distribution of the tire wheel by measuring mass rotation inertia by rotating the tire wheel; a control unit(30) receiving a material detecting signal from the material detecting sensor and a unbalance value of mass distribution measured by the tire wheel balancing device, and selecting the mounting position and weight of mass body corresponding to the material of the tire wheel; and a display unit(40) for indicating the specification of the mass body selected from the control unit.
Patent KR-20030086844-A (KR)
Inventor: KIM SEON UNG
IPC: B21B37/00
Filed: 2002-05-07
Abstract: PURPOSE: A controlling method of reel tension and speed of skin pass mill is provided to reduce slip inside coil, reduce slipping defects and improve actual yield of products accordingly by controlling initial operation tension in multistep for the top part of the coil and controlling rolling speed in multistep for the end part of the coil. CONSTITUTION: In a reel tension and speed control method applied to a skin pass mill which performs temper rolling by transferring coil coiled on payoff reel to work rolls through pressure roll and winds the coil as the top part of the coil is being gripped by tension reel, the method comprises first step (S61) in which when the coil arrives at the work rolls by advancing the coil mounted on the payoff reel, the work rolls are pushed up to turn on tension, and tension of the work rolls is increased to a set tension; second step (S62) in which when the tension of the work rolls reaches the set tension, tension control of the payoff reel is started, and tension of the payoff reel is increased and controlled stepwise at set time intervals from control time point; third step (S63) in which when the top part of the coil passing through the work rolls is gripped by the tension reel, output side tension and trading are turned on, and recoiling is started to perform operation at a normal operation speed of 270 to 400 m/min; fourth step (S64) of judging whether residual amount of the coil come to a set residual amount or not by continuously computing the residual amount of the coil of the payoff reel while performing operation of the third step (S63), and proceeding operation process at the normal operation speed of the third step (S63) before the residual amount of the coil come to the set residual amount; and fifth step (S65) of reducing speed of the payoff reel stepwise according to the preset residual amount if current residual amount of the coil come to a set residual amount in the fourth step (S64).
Patent KR-20030088550-A (KR)
Title: manufacturing method of oxidized copper plate for construction materials
Inventor: KIM BU HYON
IPC: C23F1/18
Filed: 2002-05-13
Abstract: PURPOSE: Provided is a method for manufacturing copper plates whose upper surface is oxidized in order to produce copper plates of which upper surface is etched to exhibit beautiful colors for used as roofing material in a short period of time. CONSTITUTION: The method comprises prominence and depression forming process of forming an irregular surface on the copper plate by rotating a brush roller on which sandpaper is radially installed of prominence and depression forming unit(10) in a direction opposite to a proceeding direction of the copper plate (CP) so that the upper surface of the copper plate is scratched by the brush roller when etching the copper plate by transferring the copper plate using transfer driving roller and transfer rollers in sequential transfer process as supplying and winding a roll type copper plate using supply roller(1a) and winding roller(1b); first washing process of washing the copper plate by spraying water onto the copper plate from water spray nozzles as removing foreign materials on the copper plate using the transfer driving roller and foreign material removing roller formed of cotton flannel vertically engaged with each other in first washing vat to remove foreign chips generated in the prominence and depression forming process; second washing process of washing the copper plate by spraying high pressurized water onto the copper plate from water spray nozzles slantly installed with being oppositely directed to each other on a pair of water supply pipes at the upper side as transferring the copper plate using the transfer rollers; etching treatment process of spraying etchant onto the upper surface of the copper plate (CP) through etchant spray nozzles installed on etchant pipes at the upper side of the copper plate as transferring the copper plate using the transfer rollers inside etching treatment vat(26); third washing process of washing the etchant out from the copper plate by spraying water onto the copper plate using water spray nozzles slantly installed with being oppositely directed to each other on a pair of the water supply pipes at the upper side as transferring the etched copper plate in third washing vat using the transfer rollers; and drying process of heating and drying the copper plate using a heater installed at the lower side of the copper plate as transferring the washing completed copper plate using the transfer rollers installed at drying part(29) so that brown oxidizing treated copper plate is manufactured by sequential transfer and etching treatment.
Patent KR-20030089020-A (KR)
Title: Red Luminescent Film for Anode Plate of Field Emission Display and Method for Making the Same
Inventor: LEE SEONG HUN
IPC: H01J1/30
Filed: 2002-05-15
Abstract: PURPOSE: A Gd2O3 based red luminescent film and a method for manufacturing the same are provided to achieve improved luminous efficiency and stable physical properties even in a high vacuum. CONSTITUTION: A red luminescent film is deposited on a quartz glass or ITO glass, and expressed in the chemical formula of Gd2-aO3:aEu, wherein 0.01<=a<=0.15. A method for manufacturing a red luminescent film comprises a step of producing a material target by doping 0.12 to 0.15 mole ratio Eu2O3 serving as an activator to Gd2O3; and a step of scanning a laser beam on the material target under the oxygen pressure of 100 to 150mtorr, and depositing the read luminescent film on the quartz glass or ITO glass arranged around the target.
Patent KR-20020060115-A (KR)
Inventor: BOK SEONG HAE
IPC: A61K31/335
Filed: 2002-05-17
Abstract: PURPOSE: A pharmaceutical composition containing hematein which is obtainable by extraction of Heartwood of Caesalpinia sappan or commercially as an active ingredient is provided. Because the hematein exhibits LDL-antioxidant activity, remarkably reduces cholesterol in blood and strongly inhibits liver microsome ACAT activity, the composition can be effectively used in prevention and therapeutic treatment of atherosclerosis and hyperlipidemia. CONSTITUTION: The composition for preventing and treating atherosclerosis and hyperlipidemia in mammals contains an effective amount of hematein and a pharmaceutically acceptable carrier as an active component. The hematein inhibits the activity of acyl-CoA : cholesterol acyltransferase or acts as LDL-antioxidant to give an effect on preventing and treating hyperlipidemia.
Patent KR-20030091107-A (KR)
Title: Tub for drum type washing machine
Inventor: KIM YONG SIK
IPC: D06F37/04
Filed: 2002-05-22
Abstract: PURPOSE: A washing tub for a drum type washing machine is provided to increase the productivity, to cut down manufacturing cost, to improve the quality of the product, and to minimize the failure rate by forming the washing tub through curling process. CONSTITUTION: A washing tub is composed of a cylindrical body(40) opening the front and connecting both sides by curling, and a washing tub base(50) fastened around the front opening of the body by curling. A sealing member(44) is inserted between the washing tub body and the base to prevent leakage in the connection portion of the body and the base. The front of the body is mounted to the rear end of the base by curling. The curling end is formed by turning between fixing rollers with the jig in contacting the front of the body to the rear part of the base.
Patent KR-20020092205-A (KR)
Inventor: RICHTER FRANK
IPC: H01L27/108
Filed: 2002-05-30
Abstract: PURPOSE: A memory cell arrangement is provided to make layered select transistors and memory capacitors easily come in contact with each other while occupying a smaller area. CONSTITUTION: A contact hole is formed in a semiconductor layer(12) in a region between two adjacent memory cells. Each contact hole exposes a part of a conductive trench filling material(21) of two relative trench capacitors and a conductive region in a semiconductor layer of each select transistor. The contact hole is filled with a conductive layer(41a). An insulation opening is formed in the contact hole to the upper edge of at least the trench capacitor. The conductive layer is divided into two partial regions(40a,40b) in the contact hole. The conductive trench filling material of each trench capacitor is coupled to a conductive region(31b) of the relative select transistor through the two partial regions. The insulation opening is filled with an insulation layer so that the two partial regions of the conductive layer are electrically insulated from each other in the contact hole.
Patent KR-20020095090-A (KR)
Inventor: KAZAMA TAKASHI
IPC: B23K13/00
Filed: 2002-06-03
Abstract: PURPOSE: To prevent displacement of a squeeze roll. CONSTITUTION: A rotating shaft 34 of a squeeze roll 8 is supported rotatably by shaft bearings 36a, 36b in a through-hole 35 of bearing boxes 23a, 23b. The rotating shaft 34 is supported by taper rollers 37 installed on the shaft bearings 36a, 36b. Both flanks 28a, 29a of the bearing boxes 23a, 23b are formed into a taper shape and fixed by pressure of side plates 24a, 24b. A pair of spacers 32 to adjust the height of the squeeze roll are installed between an upper enlarged-diameter part 34a of the rotating shaft 34 and the squeeze roll 8. The rotating shaft 34 of the squeeze roll 8 is tightly inserted into the bearing boxes by use of double nuts and thereby becomes adjustable in accordance with abrasion of the taper rollers 37 and taper surfaces 34b, 34c of the rotating shaft 34.
Patent KR-20030095106-A (KR)
Title: A Fiber Softener Composition Containing Insect Resistant Microcapsule
Inventor: CHO YEONG SIK
IPC: C11D7/40
Filed: 2002-06-11
Abstract: PURPOSE: Provided is a fabric softener with anti-insect(especially mosquito) functional microcapsule. The anti-insect function persists after several times of laundry. The fragrance of citronella as natural oil gives the effect of aroma therapy. CONSTITUTION: The composition comprises 1-30wt.% of micro capsule containing effective ingredients such as 25-50wt.% of citronella, 10-30wt% of geraniol, 2-10wt.% of citral, 2-10wt.% of nerol; 10-30wt% of eucalyptus and further 0.03-1.0wt.% of pyrethrum. The material for exterior wall of the capsule is selected from the group of condensation products such as melamine-glutaraldehyde, melamine-formalin, urea-formalin, urea-glutaraldehyde, melamine-urea-formalin and epoxy-urethane.