baber/WOPTO huggingface dataset:
Patent KR-20030089333-A (KR)
Title: Method for forming a film of a semiconductor device
Inventor: KIM HYEONG SU
IPC: H01L21/31
Filed: 2002-05-17
Abstract: PURPOSE: A method for fabricating a layer of a semiconductor device is provided to form a vertically uniform profile inside the layer in etching a predetermined region of the layer or forming a contact hole by forming the first, second and third layers wherein the second layer has an impurity density relatively higher than that of the first layer and the third layer contains the same impurity density as the first layer. CONSTITUTION: The first layer(205a) containing impurities of a predetermined density is deposited on a substrate(200). The surface of the first layer is evenly processed. The second layer(220a) containing an impurity density relatively higher than that of the first layer to compensate for the varied impurity density of the surface of the first layer. The third layer(230a) containing the same impurity density as the first layer is deposited on the second layer.
Patent KR-20030091147-A (KR)
Title: Liquid crystal display device
Inventor: BAE HYEON CHEOL
IPC: G02F1/1335
Filed: 2002-05-24
Abstract: PURPOSE: A liquid crystal display is provided to form a container, a first chassis, and a second chassis of a thin and strong metal material, thereby reducing the thickness and size of a liquid crystal display and radiating heat generated from a lamp assembly. CONSTITUTION: A container(100) includes a bottom surface and side walls extended from edges of the bottom surface to form a containing space. A light guide plate(200) includes sides corresponding to the side walls, and a light reflecting surface opposite to the bottom surface, and a light exit surface opposite to the light reflecting surface. A first chassis(300) is combined with external surfaces of the side walls while pressing edges of the light exit surface. A liquid crystal display panel assembly(400) is secured at an edge of the first chassis to be opposite to the light exit surface. A second chassis(500) is combined with external surfaces of the side walls while pressing edges of the liquid crystal display panel assembly.
Patent KR-20030077914-A (KR)
Title: Bioceramic
Inventor: KIM KYU TAE
IPC: C04B35/01
Filed: 2002-05-27
Abstract: PURPOSE: Ball or chip-shaped bioceramics including several minerals are provided to remove heavy metals or agricultural medicines in fruits and agricultural products, to prevent the propagation of fungi, and to enrich oxygen in water. CONSTITUTION: The bioceramics excellent in adsorbing and removing heavy metals or agricultural medicines such as Pb, Cr, Hg, Cd, etc. are produced by grinding minerals emitting far infrared rays to a very fine size(200mesh), forming them to balls or chips, and sintering them at 1300deg.C. The minerals contain 67.4wt.% of SiO2, 16.2wt.% of Al2O3, 0.59wt.% of MgO, 1.63wt.% of CaO, 4.28wt.% of K2O, 2.8wt.% of Fe2O3, 0.27wt.% of TiO2, 0.06wt.% of Se and 0.52wt.% of Ge.
Patent KR-20020092804-A (KR)
Inventor: GOTOU TATSUYA
IPC: H01J11/34
Filed: 2002-05-31
Abstract: PURPOSE: To provide a barrier rib material for plasma display panel capable of forming barrier ribs having a low dielectric constant and high strength. CONSTITUTION: The barrier rib material for plasma display panel contains glass powder and a powder of silica filler consisting of quartz glass powder and α-quartz powder, wherein part or the whole of the powder of silica filler has spherical shape.
Patent KR-20030097473-A (KR)
Title: A return control apparatus of eps system
Inventor: JUNG SEONG JUN
IPC: B62D6/00
Filed: 2002-06-21
Abstract: PURPOSE: A restoration control device of an EPS(Electronic Power Steering) system is provided to improve the restoring performance and on-center feel by applying an additional restoration control current if fine steering action at very low speed is decided. CONSTITUTION: A restoration control device of an EPS system comprises a torque sensor(11) detecting torque of a steering wheel; a vehicle speed sensor(12) detecting the vehicle speed; a steering angle sensor(13) detecting the steering angle of the steering wheel; an assist current calculation part(14) calculating an assist current by using the torque detected from the torque sensor; a restoration control current calculation part(15) calculating a restoration control current by using the vehicle speed detected from the vehicle speed sensor; a fine steering decision and calculation part(16) deciding fine steering by using the detected torque, vehicle speed, and steering angle, calculating a fine steering index if fine steering action is decided, and calculating a fine steering compensation current by multiplying the fine steering index by gain; an adder(17) adding the calculated assist current, restoration control current, and fine steering compensation current, to output a desired current; and a motor(18) operating according to the desired current output from the adder.
Patent KR-20030097498-A (KR)
Title: A Pail Pack and A Welding Wire Package using it
Inventor: BAE HYO YEONG
IPC: B23K37/00
Filed: 2002-06-21
Abstract: PURPOSE: A container for receiving welding wires and a welding wire receiving member by using the same are provided to easily treat the container and the welding wire receiving member after a welding work is finished by fabricating the container and the welding wire receiving member using paper. CONSTITUTION: A welding wire receiving container(200) includes an outer casing(110) and a bottom plate(120). A lid(210) is provided at an upper portion of the outer casing(110). Welding wires are accommodated in the welding wire receiving container(200). An upper protrusion(220) is formed at an upper end of the outer casing(110) in order to reinforce an upper portion of the outer casing(110). The upper protrusion(220) is made of paper and a ring member is bonded to the upper protrusion(220). The lid(210) is made of paper and has a flange(212) making contact with an upper edge of the casing(110).
Patent KR-20030004057-A (KR)
Title: Radiation Sensitive Composition for Protrusion Material of Vertically Aligned Color Liquid Crystal Display Panel
Inventor: ABE SHIGERU
IPC: C08L33/08
Filed: 2002-06-26
Abstract: PURPOSE: To provide a radiation sensitive composition for a protrusion material of a perpendicular alignment type color liquid crystal display panel having high film hardness and excellent smoothness of the surfaces of protrusions, less liable to produce residue and surface stain on a substrate in an unexposed area and less liable to cause seizing and defective display such as uneven display. CONSTITUTION: The radiation sensitive composition gives a cured body having <=10¬12 Ω.cm electric resistance and preferably contains (A) electrically conductive particles, (B) an alkali-soluble resin, (C) a polyfunctional monomer and (D) a photopolymerization initiator.
Patent KR-20040001630-A (KR)
Title: Optical connector for plastic optical fiber
Inventor: AHN JEONG GYUN
IPC: G02B6/36
Filed: 2002-06-28
Abstract: PURPOSE: A plastic optical cable connector is provided to be capable of reducing the size of the connector, securing the reliability of the connector, and being connected with a variety of optical cable connectors. CONSTITUTION: A plastic optical cable connector is provided with an optical plug(30) having a ferrule at the inner portion for drawing an optic fiber included in a plastic optical cable(40) to one predetermined direction and a boot(10) for covering the drawn optical cable toward the other predetermined direction of the optical plug. At this time, the optical plug includes a case, a boot stopper, an attaching/detaching key, a stopper, and an adaptor guide. At the time, the boot includes an attaching/detaching key groove connected with the attaching/detaching key and a stopper groove connected with the boot stopper. The plastic optical cable connector further includes an adaptor(20) connected with the end portion of the optical plug.
Patent KR-20040004845-A (KR)
Title: Bobbin Chucking Apparatus
Inventor: HWANG SUNG IL
IPC: D01H9/00
Filed: 2002-07-05
Abstract: PURPOSE: Provided is a bobbin chucking device which automatically grips the bobbin wound with yarns by air pressure and loads it to the palette, thereby performing the loading operation very conveniently and speedily. CONSTITUTION: A bobbin chucking device comprises: a housing(10) having a plurality of guide holes(12) at its circumference, a cylinder(20) installed at the one-sided end of the housing such that a piston rod(24) can be inserted into the housing; a plunger(40) connected to the frontal end of the piston rod such that it can move in the housing back and forth, and having guide grooves corresponding to the guide holes of the housing; and jaws(50) fitted to the guide grooves of the plunger such that they can pass through the guide holes of the housing, and slide along the housing in accordance with the back and forth movement of the plunger to pressurize and hold the inner diameter portion of the bobbin.
Patent KR-20040004963-A (KR)
Title: Method of ETC accounting with wireless public key infrastructure
Inventor: WOO JEONG GI
IPC: H04W12/06
Filed: 2002-07-08
Abstract: PURPOSE: An approval method of an ETC(Electronic Toll Collection) system using a wireless public key is provided to miniaturize a size of an OBU(On Board Unit) by collecting toll without using a smart card. CONSTITUTION: An initialization process is performed when a vehicle having an OBU(On Board unit) approaches a tollgate(S301,S302). The credit card information, the private information, and the authentication information are transmitted to a roadside equipment(S303,S304). The roadside equipment transmits the credit card information, the private information, and the authentication information to an ETC system server and compares the received authentication information with the stored authentication information(S305-S307). Approval information is transmitted to the OBU if the received authentication information corresponds to the stored authentication information(S308). The ETC system stores the approval information and completes an approval process by using the credit card information and the private information(S309-S315).
Patent KR-20040005187-A (KR)
Title: Transflective type liquid crystal display device
Inventor: LEE DONG HO
IPC: G02F1/1335
Filed: 2002-07-08
Abstract: PURPOSE: A transflective liquid crystal display is provided to improve the transmissivity and optical efficiency of the liquid crystal display. CONSTITUTION: A transflective liquid crystal display includes the first substrate(110), the second substrate(130) one side of which faces the first substrate, and a liquid crystal layer(150) formed between the first and second substrates. The transflective liquid crystal display further includes the first polarizer(155) formed on the back side of the first substrate, and the second polarizer(165) formed on the other side of the second substrate. The transflective liquid crystal display also has a back light(170) located behind the first polarizer, and a transparent semi-transmission layer(160) that is formed between the first polarizer and the back light to reflect some of incident lights and transmit some of the incident lights.
Patent KR-20030007115-A (KR)
Inventor: ADANIYA TAKU
IPC: F16D41/067
Filed: 2002-07-11
Abstract: PURPOSE: To provide a one-way clutch unit capable of reducing the number of part items, shortening axial size, reducing cost, and realizing compactness. CONSTITUTION: In this one-way clutch unit, a first outer ring part 6 for a one- way clutch 1 is integrated with a second outer ring part 7 for a deep groove bearing 2 to be an integrated outer ring 3, and a first inner ring part 8 for the one-way clutch is integrated with a second inner ring part 10 for the deep groove bearing to be an integrated inner ring 5. The number of part items can be reduced, and the axial size can be shortened, so that cost reduction and compactness can be achieved. Between a taper surface 18 existing between a decagonal outer circumferential cam surface 8A of the first inner ring part 8 and an outer circumferential surface of the second inner ring part 10, and an inner circumferential surface of the integrated outer ring 3, a circular part 17A of a crown-shaped holder 17 is disposed. The increase of the axial size caused by the crown-shaped holder 17 can thus be restricted, thereby the axial size can be shortened.
Patent KR-20040006392-A (KR)
Title: Method of driving 3-electrode plasma display apparatus minimizing addressing power
Inventor: EO YUN PIL
IPC: G09G3/293
Filed: 2002-07-12
Abstract: PURPOSE: A method of driving a three electrode plasma display panel for minimizing addressing power is provided to reduce the generation of unnecessary addressing power by controlling an operation of a power recovery circuit according to display data signals applied to address electrode lines. CONSTITUTION: A method of driving a three electrode plasma display panel for minimizing addressing power includes a process for controlling an operating state of a power recovery circuit according to display data signals applied to address electrode lines. The method of driving the three electrode plasma display panel for minimizing addressing power further includes a reset process, an address process, and a display sustain process. The reset process is to form uniformly charging states of display cells. The address process is to set up the states of charges of the display cells. The display sustain process is to perform a display discharge process of the display cells.
Patent KR-20040009677-A (KR)
Title: Repeater management system and method using portable terminal
Inventor: KIM JUN HUI
IPC: H04B17/40
Filed: 2002-07-24
Abstract: PURPOSE: A system and a method for managing a repeater by a portable terminal is provided to scan various information of the repeater by the portable terminal which scans a bar-code and transmit scanned information to a repeater management server through a short message. CONSTITUTION: A repeater(100) has an intrinsic bar-code. A bar-code scanner(200) scans the bar-code of the repeater(100) according to a driving signal inputted from the outside. A portable terminal(300) outputs the driving signal to the bar-code scanner(200) according to the request of a user, extracts information of the repeater(100) from the bar-code inputted from the bar-code scanner(200), and generates repeater maintenance information. The portable terminal(300) transmits generated repeater maintenance information through a call line generated by the user. A repeater management server(400) receives repeater information transmitted from the portable terminal(300).
Patent KR-20040013899-A (KR)
Title: Method for makng ceramic spheres
Inventor: CHUNG DONG TEAK
IPC: B24B11/02
Filed: 2002-08-09
Abstract: PURPOSE: A method for manufacturing a ceramic ball is provided to easily manufacture the ceramic sphere, and to improve the sphericity and precision of the ceramic ball. CONSTITUTION: A method for manufacturing a ceramic ball comprises the steps of: providing a cylindrical core(S10); locating the core on a couple of rotary units arranged horizontally(S20); rotating the rotary units(S30); moving a core drill down, and contacting the core drill with the core(S40); and rotating the core drill, and machining the core(S50).
Patent KR-20040014038-A (KR)
Title: Air conditioning system for automobile
Inventor: SEO JAE UK
IPC: B60H1/00
Filed: 2002-08-09
Abstract: PURPOSE: An air-conditioning system for an automobile is provided to reduce unpleasantness due to odor at initial stage of driving by discharging odor generated in an evaporator or a heater core to the outside. CONSTITUTION: A system includes a case(31) having a main channel(32) in which a cooling heat exchanger(100) and a heating heat exchanger(200) are installed, a first channel(33) formed between the cooling heat exchanger and the heating heat exchanger, a second channel(34) connected with an outlet of the heating heat exchanger, a console channel(39) connected with the outlet of the heating heat exchanger, and a plurality of branching channels(35) connected with the first channel and the second channel for setting modes; a first temperature door(61) and a second temperature door(62) which selectively opens and closes the first channel and the second channel, respectively; a console door(66) opening and closing the console channel; and an odor discharge unit(50) installed on the console channel of the case to discharge odor discharged from the cooling heat exchanger and the heating heat exchanger at initial stage of driving.
Patent KR-20040015907-A (KR)
Title: A OCB mode liquid crystal display and a driving method of the same
Inventor: LEE CHANG HUN
IPC: G02F1/13363
Filed: 2002-08-14
Abstract: PURPOSE: An OCB(Optical Compensated Bend) mode liquid crystal display and a driving method thereof are provided to improve contrast ratio. CONSTITUTION: The OCB liquid crystal display includes the first insulation substrate, and a gate line formed on the first insulation substrate, and a data line(171) defining a pixel area by being isolated from the gate line. A pixel electrode is formed at every pixel area. A thin film transistor is connected to the gate line and the data line and the pixel electrode. The second insulation substrate faces the first insulation substrate. A reference electrode is formed on the second insulation substrate. A liquid crystal layer(3) is injected between the first and the second insulation substrate and is aligned in an OCB mode. The first and the second compensation film(13,23) are arranged out of the first and the second insulation substrate. The first and the second polarization film(12,22) are arranged out of the first and the second compensation film.
Patent KR-20040015942-A (KR)
Title: Welding jig for pipe nut used for mounting vehicle's sub frame
Inventor: LIM YUN MUK
IPC: B23K37/04
Filed: 2002-08-14
Abstract: PURPOSE: A pipe nut welding tool for mounting a sub-frame of a vehicle is provided to control a pipe nut such that the pipe nut is welded to a precise position by preventing a position of the pipe nut from being inclined. CONSTITUTION: A pipe nut welding tool(10) includes a first locater(20) in a form of a pin and a second locater(30) having a screw section. The first locater(20) and second locater(30) are separately fabricated and assembled with each other. An assembling plate(51) is positioned on a base(40) and a pipe nut(50) is located on the assembling plate(51). The first locater(20) is inserted into a lower hole of a pipe nut(50) so that a position of the pipe nut(50) is restricted. The screw section of the second locater(30) is screw-coupled with a nut section of the pipe nut(50) so that the pipe nut(50) is securely fixed. Then, the pipe nut(50) is welded to the assembling plate(51).
Patent KR-20040016472-A (KR)
Inventor: HWANG GWANG SEON
IPC: A47L15/37
Filed: 2002-08-17
Abstract: PURPOSE: A washer is provided to easily wash a vessel by rotating a washing brush by water pressure and using jetted water. CONSTITUTION: A washer(600) is composed of a main case(100) having a fitting unit, upper and lower covers(120,130) fit into the top and bottom of the main case respectively and sealing the main case up, a rotary force generating unit installed in the main case and operated by water introduced through a water pipe connected to the upper cover, an auxiliary case(300) supported by the lower cover, a sponge rotating shaft(400) mechanically connected to the rotary force generating unit and installed in the auxiliary case, and a washing unit. The washing unit is detachably coupled to the end of the sponge rotating shaft.
Patent KR-20030017403-A (KR)
Title: Substrate having buried structure, display device including the substrate, method of making the substrate and method for fabricating the display device
Inventor: FUJINO KIMIAKI
IPC: G02F1/1335
Filed: 2002-08-22
Abstract: PURPOSE: To provide a substrate having an embedding structure and a display device using the same and a method of manufacturing the same. CONSTITUTION: This method includes a process step for preparing a glass substrate having a main surface, a process step of forming grooves by using a wet etching method on the main surface of the glass substrate and a process step of forming the embedding structure having a surface approximately flush with the main surface by depositing a first material within the grooves, in which the process step of forming the grooves is executed by using an etchant containing a hydrofluoric acid, ammonium fluoride, hydrochloric acid or oxalic acid.
Patent KR-20040020521-A (KR)
Inventor: WEE HEUNG DEOK
IPC: F27B3/10
Filed: 2002-08-30
Abstract: PURPOSE: An electrode of an electric furnace is provided to prevent electrode assembling defective phenomenons and enable continuous scrap iron melting operation. CONSTITUTION: The electrode of an electric furnace comprises: a safe arrival frame(13) whose center has a guide groove and where a close groove(19) is formed at the top circumference of the guide groove, and closed at one end of a support by a screw; a closing unit(15) including an inserting plate fixed at the other side of the support, a closing part(29) supported to elastically rotate toward the outside of the inserting plate on a basis of a rotating pin fixed at a plurality of proper places of the inserting plate, a locking key(31) supported at the inserting plate to elastically rotate, and for selectively holding the closing part(29), and a safe arrival cap(37) elastically supported and fixed in the vertical direction of the support, whose external surface is formed corresponding to the guide groove, and having a pusher(37a) for rotating the locking key(31) in the reverse elastic direction.
Patent KR-20040022045-A (KR)
Title: Apparatus and method for hot docking in portable terminal
Inventor: CHO WI DEOK
IPC: G06F15/02
Filed: 2002-09-06
Abstract: PURPOSE: A device and a method for hot-docking of a portable terminal are provided to stably attach or detach the portable terminal on a docking station without an excess current on a state that the power of the portable terminal is turned on. CONSTITUTION: The docking station(200) includes a power converter(210) converting the AC power into the DC power used in the portable terminal(100) and generating an interrupt request signal, a power buffer(220) supplying the DC power of the power converter to the portable terminal, and an I/O(Input/Output) bus(240) transmitting the data in the docking state. The portable terminal includes a power supply(110) supplying operation power to each part of the portable terminal by receiving the power from the power buffer, an interrupt controller(150) generating an interrupt by the interrupt request signal, a bus buffer(160) connecting the I/O bus(120) of the portable terminal with the I/O bus of the docking station, and a CPU(130). The CPU makes the power buffer of the docking station pass the power by generating the first control signal and operates the bus buffer by generating the second control signal.
Patent KR-20040025376-A (KR)
Title: Ultra small size SOI MOSFET and method of fabricating the same
Inventor: CHO WON JU
IPC: H01L21/336
Filed: 2002-09-19
Abstract: PURPOSE: An ultra small size SOI(Silicon On Insulator) MOSFET and a method for manufacturing the same are provided to be capable of improving reliability and integration degree. CONSTITUTION: An SOI substrate with a single crystalline silicon layer is prepared. A doped first insulating layer(40) is formed on the substrate. The single crystalline silicon layer is exposed by selectively etching the first insulating layer(40). A channel region(72) is formed by implanting dopants into the exposed silicon layer. A source and drain region(32,34) are formed on the silicon layer by diffusing the dopants using annealing. A gate insulating layer(80) and a gate electrode(92) are sequentially formed on the channel region. The second insulating layer(110) is formed on the resultant structure. Contact holes are formed to expose the gate electrode, the source and drain region by selectively etching the second insulating layer. Metal lines(130,132,134) are filled in the contact holes, respectively.