baber/WOPTO huggingface dataset:
Patent KR-20020092169-A (KR)
Inventor: WATANABE TAKERU
IPC: C07D307/00
Filed: 2002-04-09
Abstract: PURPOSE: A (meth)acrylate compound having a lactone structure, a polymer prepared from the compound, a resist material containing the polymer and a pattern formation method using the resist material are provided, wherein the polymer shows a high transparency to excimer laser exposure wavelength and an excellent dry etching resistance and which resist material shows a high sensitivity to the high-energy ray, a fine resolution and an excellent adhesion to the substrate surface. CONSTITUTION: The (meth)acrylate compound is represented by the formula 1, wherein R6 is H or a methyl group. The polymer contains a repeating unit represented by the formula 1a and optionally a repeating unit represented by the formula 2a, and has a mass average molecular weight of 2,000-100,000, wherein R1 is H or a methyl group; and R2 is a tertiary alkyl group of C4-C20. Preferably the resist material comprises the polymer; an acid generator; and an organic solvent.
Patent KR-20030082115-A (KR)
Title: laser marking device for semiconductor
Inventor: KIM BEOM JIN
IPC: H01L23/544
Filed: 2002-04-16
Abstract: PURPOSE: A laser marking apparatus for a semiconductor device is provided to be capable of accurately observing a marking region of the semiconductor device in real time by using a camera and simultaneously photographing the larger marking region without spherical aberration by using a lens part. CONSTITUTION: A laser marking apparatus(100) is provided with a lens(24) for supplying incident laser beam to a marking region of a semiconductor package, a galvometer(20) located between a laser oscillator and a laser head for reflecting the incident laser beam, and a selective type transmission/reflection mirror(10) located between the galvometer and the laser oscillator for transmitting the laser beam and reflecting a predetermined image reflected from the marking region of the semiconductor package to one side direction. The laser marking apparatus further includes a lens part located at the rear portion of the mirror and a camera(18) for photographing the marking region of the semiconductor package.
Patent KR-20030025785-A (KR)
Title: A digital delay line
Inventor: NA GWANG JIN
IPC: G11C8/00
Filed: 2002-05-13
Abstract: PURPOSE: A digital delay line is provided to improve a jitter characteristic of a delay locking loop and reduce an area of unit delay elements by simplifying a structure of the unit delay elements. CONSTITUTION: One unit delay element is formed with one NAND gate or one NOR gate. A delay line is formed by repeating alternately the NAND gate and the NOR gate. The first NAND gate(ND200a) receives a clock signal(clk) and a control signal(sel200) and outputs a predetermined signal to the second NAND gate(ND200b). The second NAND gate(ND200b) receives an output signal of the first NAND gate(ND200a) and a high level signal. An output signal of the second NAND gate(ND200b) is provided to the second NOR gate(NR199b). The first NOR gate(NR199a) receives a clock signal(clkb) and a control signal(sel199) inverted by the first inverter(IV199). An output signal of the first NOR gate(NR199a) and the output signal of the second NAND gate(ND200b) are used as two input signals of the second NOR gate(NR199b). In accordance with the above method, the remaining NAND gates(ND198a to ND2b) and the remaining NOR gates(NR197a to NR1b), and inverters(IV197 to IV1).
Patent KR-20020089146-A (KR)
Title: Oscillation prevention circuit
Inventor: SETO SHINJI
IPC: H04R25/00
Filed: 2002-05-15
Abstract: PURPOSE: An oscillation prevention circuit is provided to prevent oscillation phenomenon in a microphone amplifier for one-way communication or in a transmitter-receiver for interactive communication, and concurrently transmit and receive voice and sound in the transmitter-receiver for interactive communication. CONSTITUTION: A charging switch circuit(11) and a transfer switch circuit(12) are provided in series between the first amplifier circuit(8) and the second amplifier circuit(9). A control circuit(15) turns off the transfer switch circuit(12) when the charging switch circuit(11) is turned on. The control circuit(15) turns off the charging switch circuit(11) when the transfer switch circuit(12) is turned on for preventing the charging switch circuit(11) and the transfer switch circuit(12) from being turned on at the same time.
Patent KR-20030092767-A (KR)
Title: Wind generator with a multiple rotor blade
Inventor: JU JANG SIC
IPC: F03D11/04
Filed: 2002-05-31
Abstract: PURPOSE: A wind power generator with multiple rotor blade is provided to obtain rotational force of high efficiency by reducing resistance and load against the wind power produced by the rotary vanes and to absorb impact produced to the rotary vanes according to a change of the wind pressure. CONSTITUTION: A wind power generator with multiple rotor blade comprises rotor blades(11a,12a,13a,14a) formed by connecting plural blade(16) with ribs(15); first and fourth rotating shafts each having one of the rotor blades; second and third rotating shafts through which the first and fourth rotating shafts pass; first and second acceleration covers(20,21) disposed to the first and fourth rotating shafts to rotate the wind and to guide the wind to the blades; blade support units disposed to the rotor blade, to elastically support the moving of the blades according to a change of the wind pressure; a safety unit connected to one side of the blade support unit by a steel wire, to adjust the angle of the blade and prevent excessive effect of wind; a speed change unit connected with the first, second, third, and fourth rotating shafts, to change the speed of rotational speed; a generator receiving the rotational force by a shaft settled to a side of speed change unit and producing power; a speed change unit housing(50a) through which the shaft rotatably passes; and a base frame(70) supporting the bottom of the speed change unit. The generator is mounted to the base frame.
Patent KR-20030094875-A (KR)
Inventor: LEE YUN SEOK
IPC: A47L9/16
Filed: 2002-06-08
Abstract: PURPOSE: A cyclone dust collector is provided to prevent fine impurities from being discharged and the damage of a filter unit caused by impurities sucked through an air suction tube. CONSTITUTION: A cyclone dust collector is composed of a cyclone body(110), an air suction tube(120) connected to one end of the cyclone body, an air discharge hole(130) formed at the top or bottom of the cyclone body, a suction generating unit communicated with the air discharge hole, a filter unit(150) mounted in the cyclone body and filtering impurities from air discharged through the air discharge hole, and a filter protecting unit(160). The filter protecting unit covers the filter unit, and protects the filter unit from impurities sucked through the air suction tube.
Patent KR-20030096982-A (KR)
Inventor: CHOI HO SIK
IPC: H01L21/027
Filed: 2002-06-18
Abstract: PURPOSE: Photo lithography equipment for semiconductor manufacturing is provided to be capable of preventing the generation of pattern failure, by detecting the identification number of a wafer from a spinner for previously checking wafer information before transferring the wafer to a stepper. CONSTITUTION: A photo lithography equipment for semiconductor manufacturing is provided with a spinner(11) for coating and developing a predetermined layer at the upper portion of a wafer and a stepper(13) for forming a pattern by exposing the wafer completed with the coating and developing process in the spinner. The photo lithography equipment for semiconductor manufacturing further includes a pre-alignment unit(15) installed between the spinner and the stepper for aligning the flat zone of the wafer and a CCD(Charge Coupled Device) camera(16) installed at the upper portion of the pre-alignment unit for detecting the identification number of the wafer aligned by the pre-alignment unit.
Patent KR-20030031405-A (KR)
Title: Auto Locking Apparatus of Container for Trailer
Inventor: PARK SE JONG
IPC: B60P7/13
Filed: 2002-06-25
Abstract: PURPOSE: An automatic locking device of a container for loading a trailer is provided to load efficiently the trailer to the container or separate and transfer a loaded container and to improve safety by preventing moving and separation caused by enlarging the fixing force of the container in traveling the trailer. CONSTITUTION: An automatic locking device of a container for loading a trailer is composed of a housing(10) symmetrized on the left and right side, an operating unit(20) symmetrized on the left and right side to connect to the inside of the housing, and an upper(30) and a lower locker(40) coupled to the center of the operating unit. The container is automatically locked or separated to the container by operations of the operating unit, the upper and the lower locker according to the tare of the container.
Patent KR-20030003050-A (KR)
Inventor: HATA HIDEO
IPC: C21D8/06
Filed: 2002-06-27
Abstract: PURPOSE: A high-carbon steel wire rod is provided which has superior drawability and good resistance to breakage and contributes to prolonged die life, and a method for production of the high-carbon steel wire rod is provided. CONSTITUTION: The high-carbon steel wire rod with superior drawability which has the chemical composition (in mass%) comprising 0.6 - 1.0% of C, 0.1 - 1.5% of Si, 0.3 - 0.9% of Mn, no more than 0.02% of P, no more than 0.03% of S and no more than 0.005% of N with the remainder being Fe and inevitable impurities, and the structure which is characterized in that pearlite accounts for no less than 95 area% and pearlite has an average nodule diameter (P) no larger than 30 μm and an average lamella space (S) no smaller than 100 nm such that the value of F calculated by the formula below is larger than zero: F = 350.3/(S¬1/2) + 130.3/(P¬1/2) - 51.7. The method for producing the high-carbon steel wire rod comprises the steps of hot-rolling with a finish temperature of 1,050-800 deg.C, cooling immediately the hot-rolled rod to a temperature of 950-750 deg.C at a cooling rate no smaller than 50 deg.C/sec, cooling further the rod to a temperature of 620-680 deg.C at a cooling rate of 5-20 deg.C/sec, and cooling the rod for no less than 20 seconds at a cooling rate no larger than 2 deg.C/sec.
Patent KR-20040001654-A (KR)
Title: rear suspension system for automotive vehicles
Inventor: KIM SEON PYEONG
IPC: B60G21/04
Filed: 2002-06-28
Abstract: PURPOSE: A torsion beam axle-type rear suspension system for a vehicle is provided to reduce the change of a tread in the bump and rebound of vehicle wheels in traveling by changing a member for supporting a torsion beam axle to a vehicle body to a Hiscox's parallel link and accordingly to improve the stability of a straight traveling. CONSTITUTION: A torsion beam axle-type rear suspension system for a vehicle includes a link device connecting between a vehicle body(CB) and a torsion beam axle(10) to reinforce the horizontal strength of the torsion beam axle. The link device is a Hiscox's parallel link(14) composed of two mounting spots(M1,M2) of the vehicle body, one mounting spot(M3) of the torsion beam axle, and seven link members(L1,L2,L3,L4,L5,L6,L7) mounted by the medium of four connecting spots(C1,C2,C3,C4) between the mounting spots.
Patent KR-20040003609-A (KR)
Title: Circuit for switching dual band radio frequency
Inventor: YOON JONG NAM
IPC: H04B1/40
Filed: 2002-07-03
Abstract: PURPOSE: A dual band wireless switching circuit is provided to separate a GSM receiving signal from a DCS receiving signal, and to input the separated signals to a GSM transmitting/receiving signal switching unit and a DCS transmitting/receiving signal switching unit, thereby clearly switching DCS transmission and reception signals without loss. CONSTITUTION: An antenna(300) transmits and receives GSM and DCS signals. A diplexer(310) transmits the signals to the antenna(300), and separates a GSM receiving signal from a DCS receiving signal. A GSM transmission signal detector(320) filters and detects a GSM transmission signal. The first switching voltage input unit(330) inputs the first switching voltage, and enables the detector(320) to detect the GSM transmission signal. A GSM transmitting/receiving signal switching unit(340) transmits the GSM transmission signal to the diplexer(310) when inputting the first switching voltage to the input unit(330), and separately outputs the separated GSM receiving signal when not-inputting the voltage. A DCS transmission signal detector(350) filters and detects a DCS transmission signal. The second switching voltage input unit(360) detects a DCS transmission signal by the detector(350). A DCS transmitting/receiving signal switching unit(370) transmits the DCS transmission signal when inputting the second switching voltage, and separately outputs the DCS receiving signal when not-inputting the voltage.
Patent KR-20030005029-A (KR)
Title: Liquid processing apparatus and liquid processing method
Inventor: MIYAZAKI KAZUHITO
IPC: G03F7/16
Filed: 2002-07-04
Abstract: PURPOSE: An apparatus and a method for processing solution are provided to spread processing solution on a substrate for a short time by scanning a processing solution discharge nozzle, and to improve the quality of the substrate and decrease the defect rate by evenly developing the solution on the substrate. CONSTITUTION: A developing process unit(DEV,24) comprises a roller transferring mechanism(14) for transferring an LCD(Liquid Crystal Display) substrate(G) in a single direction almost in the horizontal attitude, a main developer discharge nozzle(51a) and a sub developer discharge nozzle(51b) for discharging the developer to the LCD substrate, and a nozzle moving mechanism for scanning the main and sub developer discharge nozzles over the LCD substrate. While the main and sub developer discharge nozzles are scanned over the LCD substrate by driving the nozzle moving mechanism, the developer discharge nozzles discharge the developer to the LCD substrate. Accordingly, uniform developing process is performed at the entire part of the LCD substrate by shortening the supply period of the developer.
Patent KR-20040006540-A (KR)
Title: Ozone condensation supply apparatus
Inventor: JEONG JIN IN
IPC: C01B13/10
Filed: 2002-07-12
Abstract: PURPOSE: An apparatus for supplying concentrated ozone is provided which concentrates ozone of high concentration using adsorption by silica gel and accurately supplies concentrated ozone of high concentration. CONSTITUTION: In a concentrated ozone supplying apparatus(100) comprising an ozone generating means for generating diluted ozone, the apparatus for supplying concentrated ozone comprises an ozone adsorption means comprising an ozone adsorption chamber(121) for adsorbing the diluted ozone generated from the ozone generating means, an inflow pipe(122) connected to the ozone generating means to flow ozone in the ozone adsorption chamber(121), a discharge pipe(123) for discharging the ozone in the ozone adsorption chamber(121), and a cooling chamber(124) for cooling the ozone adsorption chamber(121); an ozone concentration detecting means(130) comprising a concentration sensing sensor installed at the side of the discharge pipe(123) of the ozone adsorption means to generate electrical signals by sensing concentration of ozone discharged through the discharge pipe(123) according to saturation of ozone adsorption, and a monitor calculating and indicating ozone concentration values by receiving signals from the concentration sensing sensor; and an ozone extracting and supplying means comprising an exhaust pipe(141) branched off from the side of the discharge pipe(123), control valves(142,143) for controlling flow of ozone, an ozone decomposition heater(144) for preventing external discharge of ozone, an exhaust pump(145) for evacuating the ozone adsorption chamber(121) and extracting concentrated ozone, a pressure measuring gauge(146) for measuring pressure variation of ozone, and a supply control valve(147) for accurately controlling supply quantity of the concentrated ozone extracted, wherein the control valves(142,143), ozone decomposition heater(144) and exhaust pump(145) are connected to the exhaust pipe(141), and the pressure measuring gauge(146) and supply control valve(147) are connected to the discharge pipe(123).
Patent KR-20040006684-A (KR)
Title: Domestic wastes processing unit
Inventor: JUNG PAN SEOK
IPC: C05F9/02
Filed: 2002-07-13
Abstract: PURPOSE: Disposal equipment for domestic waste is provided to separate recyclable materials from garbage thoroughly and to occupy a small space by being set a main conveyor over a circulating conveyor, unlike a conventional disposal conveyor set in a line. CONSTITUTION: The garbage disposal equipment is characterized by having a main conveyor(17) over a circulating conveyor(60) set on the lower space of a bottom(51) where the main conveyor is set. The circulating conveyor is placed in the form of linking with four conveyors(61, 62, 63) and has an iron-removing device(65), electromagnet. The garbage-removing plastic bags is moved by main conveyor and recyclable materials are discharged to a lower part from a hopper(70) on the bottom where the main conveyor is set. Recyclable materials not requiring extra separation, such as vinyl and styrofoam are put in carriage boxes, and recyclable materials requiring extra separation such as iron, paper, can, PET products, etc. are put on the circulating conveyor. Accordingly, recyclable materials are precisely separated on the circulating conveyor unlike a conventional separation performed on the main conveyor.
Patent KR-20030013247-A (KR)
Title: Aerating and stirring apparatus
Inventor: ODE KOSUKE
IPC: B01F3/04
Filed: 2002-07-15
Abstract: PURPOSE: To provide an aerator which can efficiently carry out aerobic operation to supply air into water simply by switching the rotating direction of an electric motor and anaerobic operation not to supply the air into the water without providing the aerator with a lifting mechanism of lifting a revolving shaft mounted with stirring vanes. CONSTITUTION: The aerator 1 constituted to have the stirring vanes 13 and 14 mounted at a revolving shaft 12 rotationally driven by the electric motor 11 and a cylindrical body 15 disposed to cover the circumference of the revolving shaft 12 is disposed with the cylindrical body 15 from under the water surface to above the water surface and is disposed with the stirring vanes by dividing the same to the upper stirring vane 13 for sucking the sewage fed into the cylindrical body 15 in aerobic operation and the lower stirring vane 14 for feeding the sewage into the cylindrical body 15 and for generating the water flow in the sewage and stirring the sewage in anaerobic operation.
Patent KR-20040009816-A (KR)
Title: a thin film transistor array panel and a method for fabricating the same
Inventor: CHAE JONG CHEOL
IPC: H01L29/786
Filed: 2002-07-26
Abstract: PURPOSE: A TFT array substrate and a fabricating method thereof are provided to simplify a fabrication process by using only seven masks to form the TFT array substrate. CONSTITUTION: A TFT array substrate includes an insulating substrate(110) a gate line(122,123,124,126), a gate insulating layer(140), a semiconductor layer(1501,1502), a doping mask layer, a data line(171-176), a protection layer(820), and a pixel electrode(192). The gate line(122,123,124,126) is formed on the insulating substrate(110). The gate insulating layer(140) is formed on the gate line. The semiconductor layer(1501,1502) is formed on the gate insulating layer(140). The doping mask layer is formed on the semiconductor layer(1501,1502). The data line(171-176) is formed on the semiconductor layer or the doping mask layer. The protection layer(820) is used for covering the data line and the doping mask layer. The pixel electrode(192) is formed on the protection layer.
Patent KR-20040011261-A (KR)
Title: A Fingerpressure Body for Remedy of Emission The Heat
Inventor: MOON IK SOON
IPC: A61H15/02
Filed: 2002-07-30
Abstract: PURPOSE: An acupressure machine for thermotherapy is provided to improve the structure of the acupressure machine and thus, to ease carrying the machine and to selectively perform massage or acupressure at users' preference. CONSTITUTION: The acupressure machine for thermotherapy includes a frame(100) and a ceramic ball(200) connected to the frame(100). The frame(100) has a heat generator(180) at the center, and many ceramic ball support holes(110) formed around the circumference of the frame(100). The ceramic ball(200) is made of silicon, and many recesses(210) are formed around the circumference of the ceramic ball(200). The depth of the recess(210) is equal to the top end of a cover(187) or parallel to the lower part of the cover(187). The ceramic balls(200) are hinged to the inside of the ceramic ball support holes(110).
Patent KR-20030013329-A (KR)
Title: Novel process for preparing 1,1,1-trifluoro-2,2-dichloroethane
Inventor: BOUSSAND BEATRICE
IPC: B01D3/14
Filed: 2002-08-02
Abstract: PURPOSE: A novel method for preparing 1,1,1-trifluoro-2,2-dichloroethane (F123) and its apparatus are provided, to improve the conversion rate and the selectivity to F123 and to allow the reaction to be carried out at a lower temperature. CONSTITUTION: The method comprises the step of contacting 1,1,1-trifluoro-2-chloroethane (F133a) with chlorine in the presence of HF and a bulk catalyst comprising fluorinated aluminum or a mixture of fluorinated aluminum and alumina, the iron substrate supported fluorinated aluminum or a mixture of fluorinated aluminum and alumina, or an iron or nickel substrate catalyst, to prepare 1,1,1-trifluoro-2,2-dichloroethane (F123). The temperature, contact time and molar ratio conditions is selected to allow HF not to react with F133a and F123 and to increase the selectivity to F123. Preferably the temperature is 150-320 deg.C; the molar ratio of Cl2/F133a is 0.01-0.50; the molar ratio of HF/F133a is 0.5-2.5; and the contact time is 10-60 sec.
Patent KR-20040013322-A (KR)
Title: apparatus for mounting a refelection mirror in a projection television
Inventor: LEE JAE RIM
IPC: H04N5/74
Filed: 2002-08-05
Abstract: PURPOSE: A device for fixing a reflection mirror of a projection TV is provided to fix the reflection mirror to a projection cabinet by using fixing brackets and reflection mirror holders instead of using any screws, thereby improving the productivity and workability. CONSTITUTION: A device for fixing a reflection mirror of a projection TV includes a mirror supporting element(170), and three reflection mirror holders(165). The mirror supporting element has three lower fixing brackets(160) for receiving and supporting a lower part of a reflection mirror(140), and a fixing part(172) such as an adhesive tape for fixing an upper end part of the reflection mirror. The respective reflection mirror holders have coupling elements(182) for fixing the mirror supporting element into an upper inner surface part of a casing(110) in the socket-like manner. The lower fixing brackets have supporting grooves(162) to receive the lower end part of the reflection mirror. The casing has a receiving part(184) inserted by the coupling elements, wherein first and second holding protrusions(183,185) of the coupling elements are coupled with each other.
Patent KR-20040013579-A (KR)
Title: Signal buffer for high speed signal transmission and signal line driving circuit including the same
Inventor: CHAE MU SEONG
IPC: H03K19/017
Filed: 2002-08-07
Abstract: PURPOSE: A signal buffer for high speed signal transmission and a signal line driving circuit comprising the same are provided for a small chip area to increase a transmission speed of a signal on a signal line. CONSTITUTION: A pull-up driver pulls up an input/output port(D) in response to a control signal. A control circuit generates the above control signal by detecting a rising transition of a signal of the above input/output port in response to a signal of a control port(C). The pull-up driver comprises a PMOS transistor where a power supply voltage is applied to a source and the above control signal is applied to a gate and the above input/output port is connected to a drain.