baber/WOPTO huggingface dataset:
Patent KR-20020019406-A (KR)
Inventor: KOSHIYAMA JUN
IPC: H01L21/304
Filed: 2001-09-04
Abstract: PURPOSE: To provide a cleaning liquid supplying system for suitably exhausting a cleaning liquid while using it carefully. CONSTITUTION: The cleaning liquid used in a first cleaning station is sent to a spent liquid tank 2 through a sending pipe 12. The spent cleaning liquid in the tank 2 is sent to a second cleaning station through a supply pipe 21 and used for cleaning the edge part of a substrate or the inside of a cup. The cleaning liquid used in the second cleaning station is sent to another spent liquid tank 3 through a return pipe 30 and a pipe 32 branched from the pipe 30 and recovered.
Patent KR-20020050088-A (KR)
Inventor: KIM BYEONG SEON
IPC: C08L25/12
Filed: 2001-09-18
Abstract: PURPOSE: Provided is a glass fiber-reinforced styrene thermoplastic composite material excellent in impact strength and flexural modulus, which contains an amino silane-based coupling agent to improve the interfacial adhesive force between the resin and the glass fiber. CONSTITUTION: The glass fiber-reinforced styrene thermoplastic composite material comprises: 50-95pts.wt. of styrene-based copolymers or a mixture thereof obtained by copolymerizing 50-95pts.wt. of styrene, alpha-methylstyrene, halogen or alkyl substituted styrene, or a mixture thereof and 5-50pts.wt. of acrylonitrile, methacrylonitrile, C1-C8 alkyl methacrylate ester, C1-C8 alkyl acrylate ester, maleic anhydride, C1-C4 alkyl or phenyl N-substituted maleimide, or a mixture thereof; 5-50pts.wt. of the glass fiber; 0.01-5pts.wt. of the amino silane-based coupling agent selected from the group consisting of gamma-amino propyltriethoxy silane, gamma-amino propyltrimethoxy silane, gamma-aminopropyl-tris(2-methoxy-ethoxy)silane, and etc.
Patent KR-20030027977-A (KR)
Title: Drag reducing apparatus for vehicle
Inventor: KIM GU HYEON
IPC: B62D25/10
Filed: 2001-09-18
Abstract: PURPOSE: A device for reducing drag force for a vehicle is provided to improve accelerating ability, to give full play to performance of the vehicle, and to reduce fuel consumption ratio. CONSTITUTION: A device for reducing drag force for a vehicle comprises a fixed member(110) with an orifice(111) to bring in and exhaust air through a trunk lid(200); a vibration plate(120) producing vibration to a side or the other side by the air brought in and exhausted through the orifice; and a space part(130) to bring in and exhaust the air vibrating the vibration plate. The device for reducing drag force is installed on the inner surface of the trunk lid. Accordingly, the difference of pressure between the front and the rear of the vehicle is reduced and therefore, the accelerating ability is improved and the maximum speed is improved.
Patent KR-20020022593-A (KR)
Inventor: MOHR WINFRIED
IPC: E01B3/32
Filed: 2001-09-18
Abstract: PURPOSE: A two block concrete railroad tie for a fixed rail carriageway is provided to make the casting of a rail grid achieved in one step without the danger of air inclusions even in case of simultaneous casting of adjacent railroad tie sections. CONSTITUTION: The two-block concrete railroad tie for a fixed rail carriageway with an at least partially continuous reinforcement, which is exposed between the blocks and, after alignment, engages the sealing compound over a supporting layer, becoming anchored in it, and the blocks(1) are provided with a mounting surface(11), which is shortened in the longitudinal direction and from which slanting side surfaces(12) extend upward at least at the front side.
Patent KR-20030025604-A (KR)
Title: Apc of duplication apparatus
Inventor: LEE SEONG GEUN
IPC: H04L12/50
Filed: 2001-09-21
Abstract: PURPOSE: A duplexing device of an APC(ATM Port Controller) is provided to interface an optical signal link with an external system, in order to perform duplexing, and to automatically maintain a board without correcting software or logic, thereby reducing a cost. CONSTITUTION: APCs(23c,24c) process inputted data, and output an active or a standby signal. AOTAs(ATM Optical Transceiver Board Assemblies)(21,22) assign links by inputting information of the APCs(23c,24c) and information on with which APC the AOTAs(21,22) are connected, and output data to the APCs(23c,24c) by selecting a port. The AOTAs(21,22) comprise as follows. CPUs(21a,22a) input link shaping information. Controllers(21b,22b) input outputs of the CPUs(21a,22a) and APC information, and collect two kinds of information to output control signals. Port selectors(21c,22c) select active and standby A and B ports(23a,23b,24a,24b), and output data. A and B port transceivers(21d,22d) input the selected signal to transmit data to the A ports(23a,24a) or the B ports(23b,24b). A and B port transformers(21f,22f,21g,22g) input output signals of the transceivers(21d,22d), and output the signals by controlling a transmission rate through multiplexing.
Patent KR-20020026843-A (KR)
Inventor: HAJIME INOUE
IPC: H01J11/24
Filed: 2001-09-28
Abstract: PURPOSE: A plasma display device is provided to improve luminance intensity having a discharge-cell structure which increase conductance at the time of exhaust and increase the surface area of a phosphor. CONSTITUTION: A plasma display panel(10) has a structure in which a front glass substrate(11) and a back glass substrate(21) are placed opposing to each other. The discharge space is formed between the front glass substrate(11) and the back glass substrate(21) by hermetic sealing in the periphery of the front glass substrate(11) and the back glass substrate(21). A mixed gas or a single gas of neon, xenon or the like is filled into the discharge space as a discharge gas. The discharge space is divided into discharge cells by a plurality of barrier ribs(24). The barrier ribs(24) have a periodic structure in which each of the side walls is formed with curved surfaces in a corrugation. The barrier ribs(24) are provided on the back glass substrate(21) and the extending direction is parallel to address electrodes(22). On the back glass substrate(21) side, a plurality of address electrodes(22) arranged parallel to each other are provided on the back glass substrate(21), and a dielectric layer(23) is provided so as to cover the address electrodes(22), and a plurality of barrier ribs(24) are provided thereon. Between the adjacent barrier ribs(24), phosphors(25) in the three primary colors, red, green and blue are periodically arranged from the exposed surface of the dielectric layer(23) to the side face of the barrier ribs(24).
Patent KR-20010106332-A (KR)
Inventor: PARCK SANG KU
IPC: H05H1/00
Filed: 2001-10-19
Abstract: A power amplifier circuit is provided which comprises an input terminal for receiving an input signal and an output terminal for providing an output signal, and at least one transistor for amplifying the input signal to provide the output signal, and means for controlling the input signal received at the input terminal, and means for generating a control signal which substantially follows the temperature of the at least one transistor at least in a selected temperature range. The means for controlling the input signal controls the input signal such that the control signal is prevented from exceeding a predetermined level. The level corresponds to a predetermined temperature of the at least one transistor which is equal to or below a specified maximum temperature for the at least one transistor.
Patent KR-20030033562-A (KR)
Inventor: KIM CHANG GEUN
IPC: D21H23/34
Filed: 2001-10-24
Abstract: PURPOSE: A doctor blade is provided to secure improved quality and productivity by forming a middle layer based on a quasi-crystal material while making an anti-abrasion effect with increased life span. CONSTITUTION: A doctor blade is made by forming a middle layer(3) on a steel strip(1), and coating the middle layer with a ceramic film(2). The middle layer(3) is formed with an alloy containing aluminum as a main component for forming thermodynamically stable quasi-crystals, such as Al-Cu-Fe-Si, and Al-Cu-Fe-Si-B. Specifically, the middle layer(3) is formed with 50 wt.% of Al, 20 wt.% of Cu, 15 wt.% of Fe, and 15 wt.% of Si. Alternatively, the middle layer(3) may be formed with 50 wt.% of Al, 20 wt.% of Cu, 15 wt.% of Fe, 12 wt.% of Si, and 3 wt.% of B.
Patent KR-20020032402-A (KR)
Title: Oxidation process for the production of alkenes and carboxylic acids
Inventor: ELLIS BRIAN
IPC: C07C67/04
Filed: 2001-10-26
Abstract: PURPOSE: Provided is a process for the oxidation of a C2 to C4 alkane to produce the corresponding alkene and carboxylic acid and to integrated processes in which the alkene and carboxylic acid are further used as reactants. CONSTITUTION: The process for the oxidation of a C2 to C4 alkane to produce the corresponding alkene and carboxylic acid comprises contacting in an oxidation reaction zone, the alkane, molecular oxygen-containing gas, and optionally, at least one of the corresponding alkene and water, in the presence of at least two catalysts each active, with different selectivities, for the oxidation of the alkane to the corresponding alkene and carboxylic acid, to produce a product stream comprising the alkene, carboxylic acid and water, wherein the molar ratio of alkene to carboxylic acid produced in the oxidation reaction zone is adjusted or maintained at a pre-determined value by controlling the relative proportions of the at least two catalysts in the oxidation reaction zone.
Patent KR-20030034642-A (KR)
Title: a regulator vane of air-conditioner
Inventor: PARK DAE SAM
IPC: F24F13/08
Filed: 2001-10-26
Abstract: PURPOSE: A regulator vane of an air-conditioner is provided to control discharge wind direction in vertical direction. CONSTITUTION: A regulator vane comprises a discharge grill main body having a drain pan part in which condensed water dripping from a heat exchanger is collected, and an outlet formed on a lower side of the drain pan part to discharge heat exchanged air; a first horizontal vane(74a) and a second horizontal vane(74b) installed on an upper side and a lower side of the outlet, respectively, and having both ends supported to rotate so as to open and close the outlet; a first supporting part(72a) detachably placed on the lower side of the drain pan part to support the ends of the first horizontal vane to rotate; a second supporting part(72b) fixed to the lower side of the drain pan part to support the ends of the second horizontal vane to rotate; and a driving part(76) moving the first horizontal vane and the second horizontal vane.
Patent KR-20030039668-A (KR)
Title: Mobile phone for remote control of electronic device
Inventor: KIM YEON HUI
IPC: H04B1/40
Filed: 2001-11-14
Abstract: PURPOSE: A mobile communication terminal for remote controlling of electronic instruments is provided to transmit a control signal in accordance with a user's instruction through infrared wireless communication, and to remotely control electronic instruments, thereby increasing efficiency of the mobile communication terminal. CONSTITUTION: A receiving processor(111) receives a protocol necessary for controlling various electronic instruments through a wireless communication network. A remote control button(112) sets a remote control mode according to user selection. A controller(114) sets the remote control mode according to user's instructions through the remote control button(112), and remotely controls the electronic instruments according to the user's command inputted through a keypad(113). An infrared transmitter(116) converts the control signal of the electronic instruments transmitted from the controller(114) into infrared transmitting data, and transmits the data through an infrared communication port(115).
Patent KR-20030040900-A (KR)
Title: Gas discharge structure of rotary twin compressor
Inventor: CHO HAN JONG
IPC: F04C29/00
Filed: 2001-11-16
Abstract: PURPOSE: A gas discharge structure is provided to reduce parts count and manufacturing costs by eliminating the necessity of using a lower muffler. CONSTITUTION: A hermetic rotary twin compressor comprises a closed container(101); a stator(103) fixed in the closed container; a rotor(102) arranged in the stator; a rotating shaft(105) press fit into the shaft hole formed at the rotor; an upper eccentric part(106) and a lower eccentric part(107) formed at the lower end of the rotating shaft; an upper rolling piston(108) and a lower rolling piston(109) surrounding the upper and lower eccentric parts, respectively; an upper cylinder(112) and a lower cylinder(113) having upper and lower compression spaces for permitting the upper and lower eccentric parts coupled with the upper and lower rolling pistons to rotate and compress refrigerant vapor; an upper bearing(115) and a lower bearing for supporting the lower end of the rotating shaft and supporting the compression spaces of the upper and lower cylinders; an accumulator(119) arranged outside of the closed container and communicated to the inlet ports of the upper and lower cylinders; and a discharge pipe(120) mounted at the top of the closed container, which discharges the compressed refrigerant vapor to the outside of the closed container. The refrigerant vapor compressed in the upper compression space is discharged into a muffler(118) mounted on the upper bearing, and the refrigerant vapor compressed in the lower compression space is discharged into the muffler through a discharge passage(130).
Patent KR-20030046685-A (KR)
Title: The water saving cartridge of a water faucet
Inventor: KIM JONG KOO
IPC: F16K21/00
Filed: 2001-12-06
Abstract: PURPOSE: A water saving cartridge of a gate valve is provided to prevent water from wasting unnecessarily by maintaining an amount of exhausting water with a drain hole adjusted according to hydraulic pressure and flow and by stopping supply of water when the gate valve opens completely in high hydraulic pressure. CONSTITUTION: A water saving cartridge of a gate valve includes an inner cover(12) and a moving plate(13). The inner cover has a space portion(12') inside to be moved back and forth and rotated by an operation of an adjusting lever(11). A water supply hole(13-1) and a drain hole(13-2) penetrate the moving plate vertically. A spring(15) and a shut-off plate(16) are installed to a rear portion of the drain hole of the moving plate. Therein, the shut-off plate moves back and forth to open the drain hole by rebound of the spring according to hydraulic pressure supplied from the water supply hole. Therefore, an amount of drain water is maintained regularly by the shut-off valve.
Patent KR-20030047237-A (KR)
Title: Method for manufacturing a fiber plate utilizing disuse synthetic fibers
Inventor: KANG SHIN BAI
IPC: B27N3/04
Filed: 2001-12-08
Abstract: PURPOSE: A preparation method of fiberboard using the waste synthetic fibers is provided which does not need a separate binder such as phenol resin, has the simple manufacturing process and the excellent productivity, and produces goods having the uniform quality. CONSTITUTION: The preparation method of fiberboard using the waste synthetic fibers includes a first fibers cutting step wherein the first fibers to be melted at the first temperature range are cut in the range of a first length, a second fiber cutting step wherein the second fibers to be melted at the second temperature range are cut in the range of a second length, the second temperature range is higher than the first temperature range, the second length is longer than the first length, a cotton beating step wherein the cut first and second fibers are mixed and beaten to make a cotton wool form, a heating step wherein the first and second fibers of the cotton wool form are heated at the first temperature range to melt the first fibers and infiltrate the melted first fibers into the second fibers, a pressing step to press the first and second fibers and a cooling step to cool the first and second fibers.
Patent KR-20030047415-A (KR)
Title: A talking blood pressure gauge with artificial intelligence
Inventor: YOUN DUCK KI
IPC: A61B5/02
Filed: 2001-12-10
Abstract: PURPOSE: A hemadynamometer is provided to search analysis data corresponding to a blood pressure diagnosis result and then output the searched analysis data by a voice. CONSTITUTION: A cuff(23) is configured such that an inner air pressure is varied according to a variation of blood pressure. A pressure sensor(25) converts a pressure variation of the cuff(23) into an electric signal. An amplifier(27) amplifies an output signal of the pressure sensor, and a pulse wave amplifier(29) amplifies a pulse wave signal of an output signal of the pressure sensor. An analog-digital converter(31) converts analog output signals of the amplifiers(27,29) into digital signals. A diagnosis SW DB(33) parses output signals of the converter(31) to find a diagnosis result. A JAT voice output device(37) converts a result of the diagnosis SW DB into a voice output. A display(35) displays a measured blood pressure and a measured result. A driver(15) supplies a drive signal to the cuff, and a pump(17) supplies a compressed air to the cuff. An exhaust valve(19) exhausts the compressed air to the cuff. A pressure disappearance valve(21) exhausts the compressed air minutely. A control part(13) remembers and controls a measured result.
Patent KR-20030047493-A (KR)
Title: Method for cleaning of silicon wafer after grinding process
Inventor: JI DONG UK
IPC: H01L21/304
Filed: 2001-12-11
Abstract: PURPOSE: A method for cleaning a semiconductor silicone wafer is provided to be capable of removing the chuck mark of the wafer caused by a grinding process. CONSTITUTION: An impurity removing process is carried out at a silicone wafer completed with a grinding process(S1). At this time, the silicone wafer is cleaned by removing the impurities of the silicone wafer using a basic cleaning solution for 5 minutes, wherein the impurities are caused by the grinding process. The basic cleaning solution remaining on the surface of the silicone wafer, is removed by carrying out the first rinsing process using deionized water(S2). A chuck mark removing process is then carried out at the silicone wafer(S3). At this time, the chuck mark of the silicone wafer is removed by cleaning the silicone wafer using potassium hydroxide cleaning solution for 3 minutes. The potassium hydroxide cleaning solution remaining on the surface of the silicone wafer, is removed by carrying out the second rinsing process using the deionized water(S4).
Patent KR-20030048763-A (KR)
Title: Plastic surface reforming method
Inventor: OH JEONG MUK
IPC: C08J7/04
Filed: 2001-12-13
Abstract: PURPOSE: A process for modifying plastic surface is provided to increase the strength of plastic surface, to prevent scratch, to improve thermal stability, and to modify electric and optical properties of plastics. CONSTITUTION: The process for modifying plastic surface comprises forming molten plastics into a desired shape and coating a fine hollow body on the plastic surfaces wherein the fine hollow body is coated in a single layer, has the diameter greater than two times of the surface roughness, and is embedded into the plastics in the depth of greater than 1/3D in which the distance between the hollow bodies is 5D to 15D. The fine hollow body is selected from glasses, metals, ceramics and plastics.
Patent KR-20020062679-A (KR)
Inventor: UETSUKI MASAO
IPC: B65G39/07
Filed: 2001-12-14
Abstract: PURPOSE: To improve a configuration of an egg conveyor for further efficiently performing drying treatment of eggs. CONSTITUTION: This egg conveyor constituted such that many egg conveyance rollers 33 are rotatably supported between a pair of endless chains 30 in the direction of conveyance width to dry washed eggs 5 loaded on the egg conveyance rollers 33 is provided with a hollow part 33b formed inside the egg conveyance roller 33 and slits 33c, 33d formed on a surface of the egg conveyance roller 33 so that water on a surface of the eggs loaded on the egg conveyance roller 33 is sucked by a sucking device through the slits 33c, 33d and the hollow part 33b.
Patent KR-20030049750-A (KR)
Title: a measuring device of roll diameter
Inventor: YANG JAE YUN
IPC: G01B11/08
Filed: 2001-12-17
Abstract: PURPOSE: A roll diameter measuring apparatus is provided to precisely measure the diameter of a roll from a remote place without cutting a middle part of a strip to remove the strip. CONSTITUTION: A roll diameter measuring apparatus includes supporting stand(4a) arranged in an axial direction of a roll(1) to be measured. A slide guide(5) is fixed to the supporting stand(4a) in such a manner that height of the slide guide(5) is adjustable. A slide bar(11) is inserted into the center portion of the slide bar. One end of the slide bar(11) is screw-coupled with a screw nut(6) so that the slide bar(11) moves forward and backward within a slide guide(5) as the screw nut(6) rotates. A light transceiver(7) is fixedly installed at one side of a slide guide(5). A reflection section(9) is attached to a side of the roll(1). A measuring wheel makes contact with a surface of the roll(1) to measure a diameter of the roll(1). A control section(10) is provided to display the diameter of the roll(1) by using an R.P.M of the measuring wheel.
Patent KR-20030050420-A (KR)
Title: Whell for vehicle tire
Inventor: HWANG DU SUN
IPC: B60B19/00
Filed: 2001-12-18
Abstract: PURPOSE: A wheel for a vehicle is provided to keep the performance of a tire and the riding comfort optimum by regularly maintaining the pneumatic pressure of the inside of the tire. CONSTITUTION: A wheel(1) for a vehicle has a volume-variable device(3), varying the admissible volume of the inside of a tire(2), to a rim plate(10) of the wheel to which the tire is mounted. The volume-variable device comprises plural vent holes(11) and a shock-absorbing member(30) installed inside the vent hole. The manufacturing cost is minimized by the simplified structure of a device maintaining optimum pneumatic pressure of the tire and functional failure of the device is prevented. Accordingly, the performance of the tire and riding comfort are kept optimum.
Patent KR-20030053987-A (KR)
Title: Apparatus for dressing a polishing pad
Inventor: LEE BYEONG HO
IPC: H01L21/304
Filed: 2001-12-24
Abstract: PURPOSE: A polishing pad dresser for silicon wafer is provided to remove effectively particles from a nap layer of a polishing pad by using the oscillation and the frictional force. CONSTITUTION: A polishing pad dresser(10) for silicon wafer includes a circular plate(12) and a concavo-convex portion(14). The circular plate is in contact with a nap layer of a polishing pad used in a polishing process of a silicon wafer. The concavo-convex portion is continuously formed on one side of the circular plate. Particles are removed from the nap by using the friction force between the concavo-convex portion and the nap layer. The concavo-convex portion has a section including a vertical portion and a slope portion. A plurality of concave portions and a plurality of convex portions are formed in a constant interval on the concavo-convex portion.
Patent KR-20020055406-A (KR)
Inventor: NISHIMURA TETSUYA
IPC: H01L31/0232
Filed: 2001-12-27
Abstract: PURPOSE: To provide a structure and a method that enable an optical module to be easily mounted without alignment. CONSTITUTION: A surface light-receiving and emitting type optical element 11 is mounted on a substrate 13, on which a fiber array 18 with a guide hole connectable to a guide pin-attached optical connector is mounted through a spacer. The light receiving part (receiving/emitting part) 12 of the optical element 11 and the fiber 22 end face of the fiber array 18, which are opposite to each other, are aligned through a picture recognizing system. There is no need of installing a high-precision marker on the substrate 13 as conventionally done. High precision for mounting is needed only for one process of mounting the fiber array 18.