baber/WOPTO huggingface dataset:
Patent KR-20040079728-A (KR)
Title: Cutting apparatus and mathod for semiconductor package
Inventor: CHO MIN HYEON
IPC: H01L21/78
Filed: 2003-03-10
Abstract: PURPOSE: An apparatus and a method for cutting a semiconductor package are provided to cut easily a resin-molded assembly of the semiconductor package by using a water jet method. CONSTITUTION: An X-axis transfer table is moved to an X-axis. The first and the second chuck tables(16,17) are rotatably installed at the X-axis transfer table. The first and the second rotary drivers(22,23) are installed at the X-axis transfer table. The first and the second vacuum chucks are installed at the first and the second chuck tables. A water jet nozzle unit(20) injects water by using a water jet method. The first Y-axis unit(12) transfers the water jet nozzle unit to the Y-axis. The first Z-axis unit(14) elevates the first Y-axis unit. A pickup plate(18) is used for absorbing and elevating targets on the first and the second vacuum chucks. The second Y-axis unit transfers the pickup plate to the Y-axis. The second Z-axis unit(15) elevates the second Y-axis unit. A vision unit(19) is installed at one side of the first Y-axis unit. The third Z-axis unit is fixed to one side of the first Y-axis unit. An upper tank and a lower tank are used for storing the water injected from the water jet nozzle unit.
Patent KR-20040080303-A (KR)
Inventor: CHOI SEUNG CHUL
IPC: C04B35/622
Filed: 2003-03-12
Abstract: PURPOSE: Provided is a preparation method of ceramic ferrite powder with nano size and crystallinity at room temperature without calcination by applying ultrasonic waves to a ceramic slurry prepared by coprecipitation. CONSTITUTION: The nano-sized ceramic powder, especially Ni-Cu ferrite powder, is prepared by the following steps of: adding KOH solution as a precipitant to a solution of raw materials measured on the corresponding composition until the solution is pH 10 at room temperature; applying ultrasonic waves(38.5kHz and 270W) to precipitates in the solution; filtering and washing; drying precipitates, ferrites. The resultant ferrite powder obtained by ultrasonic wave emission for 25hrs has less than 30nm of size and crystalline structure without calcination.
Patent KR-20040082259-A (KR)
Inventor: KIM GWANG SU
IPC: A63B22/02
Filed: 2003-03-19
Abstract: PURPOSE: A treadmill for weight reduction is provided to enable a user to freely adjust the degree of exercise according to his/her weight. CONSTITUTION: The treadmill is designed to allow a user to freely adjust the operating speed as well as inclination of a running plate during exercise. A screw type bolt is connected to a weight adjustable driving motor attached to the front side of a weight control unit(12). A guide and a connection device, to which a connection strip attached with rollers is connectable, is coupled to the bolt. A load cell is attached to the rear side of the weight control unit, and the connection strip is fixed to the load cell. A vest type fixing strip(17) is connected to the connection device.
Patent KR-20030078788-A (KR)
Inventor: JUBRAN NUSRALLAH
IPC: C07D403/14
Filed: 2003-03-28
Abstract: PURPOSE: A novel charge transfer compound, an electrophotographic organic photoconductor having the charge transfer compound, an electrophotography formation device using the photoconductor and an electrophotographic image formation method are provided, to improve the chemical and mechanical properties and the electric conductivity of the photoconductor and to allow the quality of image to be obtained even after repeated cycle. CONSTITUTION: The electrophotographic organic photoconductor comprises a charge transfer compound represented by the formula 1; a charge generation compound; and a conductive substrate where the charge transfer compound and the charge generation compound are coated, wherein R1 is H, a linear or branched alkyl group of C1-C30, a linear or branched unsaturated hydrocarbon group, an ether group or an aryl group of C6-C14; and R2 and R3 are independently a group represented by the formula 2.
Patent KR-20040074572-A (KR)
Title: Porous concrete block and manufacturing method thereof
Inventor: KIM KAB JUNG
IPC: E02B3/14
Filed: 2003-04-02
Abstract: PURPOSE: A porous concrete block is provided to heighten structural stability and to form an eco-friendly building structure. CONSTITUTION: The porous concrete block contains a body(10) provided with lateral grooves(12) formed on four sides, projections(13) formed on the corners and many central grooves(11) formed to the center of the body(10). The manufacturing method for a porous concrete block comprises the steps of: preparing a mortar mixture by mixing aggregate such as gravel, sand, etc., 13¯18 weight percent blast furnace cement of the aggregate, 25¯35 weight percent AE water-reducing agents of the blast furnace cement, adhesives and water; mixing 2¯3 percent stiffener to the prepared mortar mixture; placing the mortar mixture to a polygonal block frame, then shaping; after shaping the mortar mixture, spraying powdered charcoal or loess; and hardening by supplying steam of 50¯60 deg.C to the shaped material for 30 minutes ¯ 2 hours.
Patent KR-20030079804-A (KR)
Title: 차량용 등기구 설계 방법 및 설계 시스템
IPC: G06F17/50
Filed: 2003-04-04
Abstract: 본 발명은 차량용 등기구로서 요구되는 성능 조건과, 등기구마다 주어지는 제약 조건을 포함하는 설계 조건을 충족시키며 등기구의 설계 효율을 향상시키는 차량용 등기구 설계 방법, 설계 시스템, 프로그램 및 프로그램을 기록한 기록 매체를 제공하는 것을 목적으로 한다. 
     차량용 등기구 설계 시스템(1)은, 등기구의 표준 데이터가 등록된 표준 데이터 베이스(21) 및 기술 데이터가 등록된 기술 데이터 베이스(22)를 갖는 데이터 베이스부(2)와, 표준 데이터 선택부(31) 및 모핑 제어부(32)를 갖는 등기구 작성부(3)에 의해서 구성된다.  표준 데이터 선택부(31)는 주어진 설계 조건에 기초하여, 표준 데이터 베이스(21)로부터 표준 데이터를 선택하여 설계 데이터를 생성한다.  모핑 제어부(32)는 기술 데이터 베이스(22)의 기술 데이터를 이용하여 설계 데이터 중 필요한 데이터 부분을 갱신한다.
Patent KR-20040092954-A (KR)
Inventor: CHO GWANG U
IPC: B23K26/04
Filed: 2003-04-30
Abstract: PURPOSE: A method of calibrating an X-Y stage of a laser system and an apparatus are provided to measure and calibrate a movement error of the X-Y stage through an on-line. CONSTITUTION: A laser system includes an X-Y stage(30) for moving a workpiece used for laser processing work. The layer system has an x-axis linear guide(131) and a y-axis linear guide(141), which are horizontally installed on a surface of the X-Y stage(30) from the upper portion of the X-Y stage(30). A vision camera(135) is installed on each of the x-axis linear guide(131) and the y-axis linear guide(141) so as to photograph the X-Y stage(30) while moving in an x-axis direction or a y-axis direction. A driving unit is provided to drive the vision camera.
Patent KR-20040095032-A (KR)
Inventor: HA SEONG UK
IPC: F25D17/04
Filed: 2003-05-06
Abstract: PURPOSE: A damper installation structure is provided to simply reduce noise produced from a driving motor of a damper without a change of design. CONSTITUTION: A damper has a damper body(12), a driving motor(20), and a baffle(30) combined to the damper body in an opening and shutting state. The baffle opens and shuts the flowing of chill by opening and shutting by the driving motor. A damper installation structure is installed to a flow passage of chill. The damper installation structure has an insertion groove in which the damper is inserted and supported. Projected ribs(42), on which the damper is supported in a contact state, are oppositely formed to the inner periphery of the insertion groove.
Patent KR-20040036521-A (KR)
Inventor: TSUJII SHIGEKI
IPC: G01D11/24
Filed: 2003-05-09
Abstract: PURPOSE: A magnetic detection device for detecting a change of magnetic field is provided to enhance the productivity by improving a structure of the magnetic detection device. CONSTITUTION: The first block(9) includes a magnetic detector(2) for detecting a change of a magnetic field, an electronic component(3) for controlling an output signal of the magnetic detector, the first lead frame(4) connected electrically to the electronic component, and the first base(5). The electronic component, the first lead frame, and the magnetic detector are sealed with a resin. The second block(12) includes a magnetic field generator(1) for generating the magnetic field, the second lead frame(7) connected electrically to the first lead frame, and the second base(8). The second lead frame is sealed with the resin. The first block and the second block are covered by an exterior resin.
Patent KR-20040098839-A (KR)
Inventor: AHN KYUNG MIN
IPC: A61K36/48
Filed: 2003-05-16
Abstract: PURPOSE: Provided is a water or alcohol extract of Lespedeza cuneate G. Don having anticancer activity. And the extract of Lespedeza cuneate G. Don has anticancer activity but has no cytotoxicity, and is thus used as an active ingredient of pharmaceutical compositions and functional foods for preventing and treating cancer. CONSTITUTION: A water extract of Lespedeza cuneate G. Don is obtained by heating Lespedeza cuneate G. Don in water, followed by filtration; and concentrating the filtrate under reduced pressure, followed by freeze-drying. An alcohol extract of Lespedeza cuneate G. Don is obtained by adding alcohol, preferably ethanol, to Lespedeza cuneate G. Don, followed by heating in water and filtration; and concentrating the filtrate under reduced pressure, followed by freeze-drying. The pharmaceutical composition and functional food for preventing and treating cancer contain the extracts of Lespedeza cuneate G. Don as active ingredient.
Patent KR-20040104040-A (KR)
Inventor: JANG GEUN HA
IPC: H01L21/205
Filed: 2003-06-02
Abstract: PURPOSE: An exhaust system for minimizing a volume of a process chamber of CVD equipment is provided to improve uniformity of a fabrication process and reduce powders stacked on an inside of an exhaust manifold by obtaining uniform exhaust pressure. CONSTITUTION: A plurality of exhaust holes(15) are formed on a bottom of a process chamber. An exhaust manifold(120) is connected to the exhaust holes and is formed with a plurality of pipe arrangements. A plurality of control valves(100) are installed between the exhaust holes and the exhaust manifolds in order to open or shut each pipe arrangement of the exhaust manifolds or control the exhaust pressure. A control unit(110) controls operations of plural control values. A confluent tube(130) is used for integrating the exhaust gases from the exhaust manifolds. A vacuum pump(140) is installed at an end of the confluent tube.
Patent KR-20040104773-A (KR)
Inventor: CHAE BYEONG GYU
IPC: H01L49/00
Filed: 2003-06-03
Abstract: PURPOSE: A field effect transistor using a vanadium dioxide layer as a channel region and a manufacturing method thereof are provided to reduce the limit of a channel length, thereby improving a switching speed and a degree of integration by forming a vanadium dioxide layer in a channel region. CONSTITUTION: A vanadium dioxide layer(120) is formed on a substrate(110). A source electrode(130) and a drain electrode(140) are formed to connect the vanadium dioxide layer. A dielectric material layer(150) is formed on the source electrodes, the drain electrode and the vanadium dioxide layer. A gate electrode(160) is formed on the dielectric material layer. When a voltage is applied to the gate electrode, holes are diffused from the dielectric material layer to the vanadium dioxide layer. The diffused holes induce a channel in the vanadium dioxide layer by a sudden phase transition of metal and dielectric, thereby increasing current intensity in spite of a small area transistor.
Patent KR-20040106054-A (KR)
Inventor: CHO HWANG MUK
IPC: F24F11/02
Filed: 2003-06-10
Abstract: PURPOSE: An air conditioner, and a method for controlling the same are provided to efficiently operate concentration operation effectively increasing blowoff force by driving heat-exchanged air in one direction. CONSTITUTION: An air conditioner has a suction port(1) formed at a front of a main body(10), and discharge ports(2) formed at both sides of the main body. An air guide device(80) is installed to drive air sucked through the suction port and exchanging heat to one side in a concentration mode. A discharge control unit controls the air guide device to control the discharged air to concentratedly discharge the air through one discharge port. The discharge control unit includes blades(61,62) installed at the discharge ports for controlling direction of the discharged air, and a controller controlling the air guide device and the blades.
Patent KR-20040108456-A (KR)
Inventor: KIM YOUN JIN
IPC: G07F11/00
Filed: 2003-06-17
Abstract: PURPOSE: An aromatic can dispenser is provided, which enables an user to select an aromatic can according to a purchaser's taste by testing directly a sample of the aromatic can. CONSTITUTION: An aromatic can dispenser includes a purchase selector(10), a controller(80), a money validator(20), a change repayment unit(30), a can-storage box(40), a can discharge unit(50), a sample selection unit(60), and a sample discharge unit(70). The purchase selector is used for selecting a desired one from plural aromatic cans. The money validator detects amount of inserted coins or inserted notes. The can storage box is used for storing the aromatic cans. The can discharge unit discharges the aromatic cans. The sample selection unit selects a desired sample from samples of the aromatic cans. The sample discharge unit discharge contents of the selected sample.
Patent KR-20050002401-A (KR)
Inventor: CHO WON CHEOL
IPC: H01L21/76
Filed: 2003-06-30
Abstract: PURPOSE: A method of manufacturing a semiconductor device is provided to restrain leakage current by forming an N type ion-diffused region at both sidewalls of a trench. CONSTITUTION: A trench is formed by etching selectively a pad oxide layer(12) and a semiconductor substrate(10) using a pad nitride pattern(14) as an etching mask. A spacer made of an N type ion-implanted material layer is formed at both sidewalls of the trench. An N type ion-diffused region(49) is formed at both sidewalls of the trench by performing a drive-in process on the resultant structure. The spacer is removed therefrom. A well oxide layer(48) is formed along the inner wall of the trench.
Patent KR-20050005935-A (KR)
Inventor: LEE EUN HO
IPC: F02M37/00
Filed: 2003-07-08
Abstract: PURPOSE: A structure of a fuel pump check valve is provided to improve response properties of a fuel pump in re-staring an engine and to prevent a starting failure by restricting fuel fed to a fuel supply line in stopping a fuel pump from flowing backward and remaining the fuel in the fuel supply line over predetermined pressure. CONSTITUTION: A circular valve(36) for opening and closing a hole(33) of a valve seat(32) disposed in the middle of a fuel line(31) is elastically supported by a spring(35). A check valve(30) prevents the fuel fed already to a fuel supply line(50) in stopping an engine from flowing backward to the hole of the valve seat. A spring stopper(40) for holding one end of the spring is formed as a disc plate. Plural through-holes for passing the fuel are formed in the plate. A holder into which one end of the spring is fitted is integrated at the lower side of the plate.
Patent KR-20050007017-A (KR)
Inventor: NAM CHANG WOO
IPC: G09B5/06
Filed: 2003-07-10
Abstract: PURPOSE: A method for implementing a foreign language teaching system through Baroque music and a periodical repetition is provided, which stabilizes user mind on studying by repeating baroque music. CONSTITUTION: A method for implementing a foreign language teaching system through Baroque music and a periodical repetition includes the steps of: repeatedly reading Korean and foreign language in the period of 8 seconds with playing Baroque music as a background music; displaying the content on the screen of the computer; replaying the meaning of the foreign language with Korean during 2 seconds; replaying the foreign language during 2 seconds; and replaying all words in the unit of 8 seconds.
Patent KR-20050008164-A (KR)
Inventor: KIM SUNG GEUN
IPC: G11B20/10
Filed: 2003-07-14
Abstract: PURPOSE: A mute circuit of a car audio is provided to reduce the number of parts and an assembly area in a case that a car audio signal is muted so that it reduces a producing cost. CONSTITUTION: The circuit comprises a microcomputer(10), a mute circuit(20), and a car audio apparatus(30). The mute circuit(20) mutes the car audio apparatus(30) according to a determination result of the microcomputer(10). The microcomputer(10) compares a volume of a sensed voice signal with a set value, and outputs a control signal for muting the car audio apparatus when the volume of the sensed voice signal is more than the set value. The mute circuit(20) is driven by the control signal output by the microcomputer(10), and blocks the sound signal generated by the car audio apparatus(30).
Patent KR-20050010220-A (KR)
Inventor: BANG KYU HYUN
IPC: H01L21/336
Filed: 2003-07-18
Abstract: PURPOSE: A method for fabricating a semiconductor device with gate insulation layers of different thicknesses by a nitrogen ion implantation process is provided to prevent a semiconductor substrate from being damaged by a plurality of photolithography processes by eliminating the necessity of an oxidation process and a photolithography process. CONSTITUTION: A semiconductor substrate(20) is prepared which is divided into a plurality of regions for forming gate insulation layers(26A,26B,26C) of different thicknesses. Oxidation preventing ions are implanted into the plurality of regions, having different densities according to the thickness of the gate insulation layer. An oxidation process is performed to form gate insulation layers having different thicknesses in the respective regions.
Patent KR-20050011497-A (KR)
Inventor: SHIN MYUNG SEOB
IPC: F16B23/00
Filed: 2003-07-23
Abstract: PURPOSE: A bolt for coupling a sub frame of a vehicle is provided to prevent a sub frame from being corroded by easily exhausting water gathered in a gap created between a pipe nut and a pipe nut receiving unit in a structure capable of coupling the sub frame with a front side member. CONSTITUTION: A bolt for coupling a sub frame of a vehicle includes a pipe nut vertically installed at a front side member. A sub frame having a pipe nut receiving unit corresponding to the pipe nut is inserted into a lower portion of the front side member. A bolt(20) having a predetermined length is fastened to the pipe nut by penetrating the pipe nut receiving unit from a lower surface of the pipe nut receiving unit in order to couple the sub frame to the front side member. A water draining groove(21a) is formed at a head part(21) of the bolt(20) in order to drain water gathered in a gap between the pipe nut and the pipe nut receiving unit to an exterior.
Patent KR-20040010381-A (KR)
Inventor: MOCHIZUKI ISAMU
IPC: H01J11/36
Filed: 2003-07-25
Abstract: PURPOSE: To provide a film laminate having a high cleanliness of an exposure surface, free from a flaw such as a breakage or dent in a pattern, and for which a defective pattern can be suppressed. CONSTITUTION: A film laminate comprises a base film, a transfer layer and a cover film and the peel strength of the outer surface of the base film is small.
Patent KR-20050012989-A (KR)
Title: A ion and ozone generator by lamp type
Inventor: LEE GIL SOON
IPC: C01B13/10
Filed: 2003-07-26
Abstract: PURPOSE: To provide a lamp type ion/ozone generator capable of preventing corrosion and contamination of a discharge plate and danger of an electric shock generated during corona discharge due to high voltage current and generating discharge flame of various colors between an ion emitting plate and a charged plate to obtain effects of ornament. CONSTITUTION: The lamp type ion/ozone generator is characterized in that an ion emitting plate(120) is installed in a protection pipe(110), and a charged plate(130) is mounted on the front side or backside of the ion emitting plate, wherein the protection pipe is formed of glass or quartz, wherein air circulation holes are perforated on the charged plate in case that the charged plate is mounted on the front side of the ion emitting plate, wherein the ion emitting plate is sealed by the protection pipe to completely isolate the ion emitting plate from an external air, the charged plate mounted on the ion emitting plate is attached to a high voltage direct current generator(100) by a holder(140) fabricated of silicon or ceramic having high insulating property to prevent high voltage from being leaked to the outside, and wherein a cathode wiring(150) of the high voltage direct current generator is attached to the ion emitting plate, and an anode wiring(160) of the high voltage direct current generator is attached to the charged plate so that direct current of high voltage is generated between the ion emitting plate and the charged plate to form a flame discharge due to corona discharge and generate large amounts of anions and ozone in the process.
Patent KR-20050015028-A (KR)
Inventor: LEE JUN HO
IPC: G09G3/36
Filed: 2003-08-01
Abstract: PURPOSE: A circuit for driving a liquid crystal display device is provided to intrusively block the power supply to the peripheral circuits such as a timing controller when the currently inputted data is similar to the previous data. CONSTITUTION: A circuit for driving a liquid crystal display device includes a power supplying unit(45), a data sensing unit(41), a power control signal generating unit(43) and a source driver IC(33). The power supplying unit selectively supplies the power to the low voltage differential signaling(LVDS)(37), the timing controller(39), the gate and the source drivers(35,33). The data sensing unit outputs the control signal to prevent the power when the data is not inputted to the LVDS and outputs the control signal to prevent the power and the shift register control signal to control the shift register when the data is inputted to the LVDS and the currently inputted data is similar to the previous data. The power control signal generating unit outputs the power control signal to the power supplying unit. The source driver IC is provided with a first and a second shift registers. And, the source driver IC applies the previous data to the liquid crystal panel by transmitting the previous data stored at the first shift register to the second shift register when the shift register control signal is inputted to the data sensing unit.
Patent KR-20050017030-A (KR)
Inventor: LEE DONG HEUNG
IPC: H01F27/24
Filed: 2003-08-11
Abstract: PURPOSE: A transformer for inverters is provided to reduce manufacturing cost of a back-light inverter circuit of a TFT-LCD(Thin film Transistor Liquid Crystal Display) by excluding a condenser for a varistor used to stabilize discharge current, wherein the condenser is connected to a cold cathode tube in series. CONSTITUTION: A transformer for inverters includes a first-shaped core(102), primary and secondary bobbins(104a,104b), and a coil(106). The first-shaped core includes a second-shaped middle leg(110) at the center thereof and two outer legs arranged so as to be parallel with the middle leg. The primary and secondary bobbins are formed to independently wrap around the two legs of the core. The coil is wound around the primary and secondary bobbins.