baber/WOPTO huggingface dataset:
Patent KR-20040006419-A (KR)
Title: Method for manufacturing a semiconductor device
Inventor: KWAK NO YEOL
IPC: H01L21/8247
Filed: 2002-07-12
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of improving the electrical characteristic and reliability of the device and stably securing a threshold voltage at the whole region of a wafer by forming a diffusion barrier by implanting inert ions before implanting threshold voltage ions. CONSTITUTION: After forming a sacrificial oxide layer(2) at the upper portion of a semiconductor substrate(1), a triple structure well is formed at the predetermined portion of the semiconductor substrate. A diffusion barrier(3) is formed at the inner portion of the semiconductor substrate by implanting inert ions into the resultant structure. Then, threshold voltage controlling ions are implanted into the semiconductor substrate. After removing the sacrificial oxide layer, a tunnel oxide layer, a polysilicon layer, and a pad nitride layer are sequentially formed at the upper portion of the resultant structure.
Patent KR-20030009167-A (KR)
Title: Brush device for washing
Inventor: ITOU YOSHINORI
IPC: A47K3/00
Filed: 2002-07-16
Abstract: PURPOSE: To provide a cleaning brush device reducing friction resistance occurring between an outer tube and an inner shaft forming a rotating shaft transmitting the torque of a motor to a cleaning brush, reducing wear, lessening burden applied to the wrist during cleaning work, helping easily carry out cleaning and elaborately designed to prevent the cleaning brush from easily coming off the rotating shaft during cleaning work. CONSTITUTION: A flexible rotating shaft 11 transmitting the torque of a motor 5 to a cleaning brush 36 is erected in a nearly vertical posture from the lower portion to the upper portion to the body 1 of a cleaning brush device, the flexible rotating shaft 11 is connected to a rotating shaft holder 17 to which a cleaning brush 36 is connected through a coupler 30 rotatably by a prescribed angle, and a grip 25 is provided in the rotating shaft holder 17.
Patent KR-20040008812-A (KR)
Inventor: JANG MIN
IPC: H04L12/803
Filed: 2002-07-19
Abstract: PURPOSE: A method for selecting an APN(Access Point Name) in an SGSN(Serving GPRS Support Node) is provided to distribute packet sessions to many GGSNs(Gateway GPRS Support Nodes) from MSs(Mobile Stations) located in a serviced region by the one SGSN, thereby distributing signal and packet load as improving a packet service. CONSTITUTION: When a session setup request message is received from an MS(S11), an SGSN decides whether an APN is included in the message(S22). If so, the SGSN selects the requested APN(S33). If the APN is not included, the SGSN collects service information to set an APN value for an RA(Routing Area)(S44). The SGSN selects the APN according to a position of the MS, based on an APN table by the RA(S55). A PLMN(Public Land Mobile Network) backbone network inquires of a DNS server about the selected APN, obtains an IP address of a GGSN(S66), and sets a session by transmitting a session setup request message to the GGSN(S77).
Patent KR-20040012263-A (KR)
Title: Dual folder type Mobile phone
Inventor: CHOO JI MIN
IPC: H04B1/38
Filed: 2002-08-02
Abstract: PURPOSE: A dual folder-type mobile communication terminal is provided to form a sound guide groove on a lower folder in order to expose a sound generated from a speaker phone of an upper folder to an outside of the terminal. CONSTITUTION: A microphone(14) is installed on a lower folder(13) by rotating on the basis of a hinge coupler(12). A speaker phone(11) is installed on an upper folder(10). While a front side of the lower folder(13) is contacted with a front side of the upper folder(10), a sound guide groove is formed on the lower folder(13) in order to guide a sound generated from the speaker phone(11) of the upper folder(10) to an outside of a terminal. The sound guide groove is formed on the lower folder(13), opposite to the speaker phone(11). The sound guide groove is larger than a front side of the speaker phone(11).
Patent KR-20040013944-A (KR)
Title: Clad sheets for corrosion resistance and fabricating method thereof
Inventor: BYUN JI YEONG
IPC: B23K20/08
Filed: 2002-08-09
Abstract: PURPOSE: A corrosion-resistance clad plate and a method for manufacturing the same are provided to improve bonding force between a clad metal and a base metal by inserting an intermediate boding material between the clad metal and the base metal. CONSTITUTION: A corrosion-resistance clad plate includes a base metal(3) having a plate shape. The base metal(3) is any one selected from the group consisting of copper, iron, and nickel. A clad metal(1) having a plate shape is stacked on one side of the base metal(3). The clad metal(1) is any one selected from the group consisting of a titanium, vanadium, niobium, and zirconium. A reaction layer(4) is formed at an interfacial surface formed between the base metal(3) and the clad metal(1) in order to bond the base metal(3) to the clad metal(1). An intermediate boding material is inserted between the clad metal(1) and the base metal(3).
Patent KR-20040015943-A (KR)
Title: Arm rest installed in a vehicle's door
Inventor: PARK HUI JUN
IPC: B60J5/04
Filed: 2002-08-14
Abstract: PURPOSE: An armrest installed to a door for a vehicle is provided to adjust the height of the armrest according to height of a passenger and to support an arm of the passenger comfortably. CONSTITUTION: An armrest(10) includes a frame(20), a body(30) of the armrest and an adjusting bar(40). The frame shaped like a rectangular parallelepiped is attached to an inner side of a door(50) of a vehicle. The body of the armrest is received in the frame to be moved up and down. A threaded portion is formed inside the body. The adjusting bar is installed to a lower side of the frame. Therein, the adjusting bar is connected to the threaded portion of the body of the armrest to move the body of the armrest up and down. Therefore, the armrest is adjusted according to height of the passenger. Elastic material such as a rubber pad supports an arm of the passenger.
Patent KR-20040019563-A (KR)
Title: A dust collector make using air spray nozzle
Inventor: SEO GAP SEONG
IPC: B22C5/10
Filed: 2002-08-28
Abstract: PURPOSE: A dust collector using an air spray nozzle is provided to prevent the profile of a casting from being defective by removing dusts more efficiently by a sprayed air pressure. CONSTITUTION: A suction tube(10) of a vertical direction and a discharge tube(20) of a horizontal direction are bound at a right angle by a variable binder(30) to communicate with each other. A detachable loading box(40) is coupled to one end of the discharge tube(20) so as to communicate with the discharge tube(20). A rubber ring(22) with an input hole(21) is bound to one upper end of the discharge tube(20) to communicate with the inside.
Patent KR-20030022065-A (KR)
Title: Network analyzer, measuring method using the same and sorting apparatus incorporating the same
Inventor: FUJIMOTO ISAMU
IPC: G01R27/28
Filed: 2002-09-06
Abstract: PURPOSE: To efficiently perform measurement to a device having a small number of ports by a multi-port network analyzer. CONSTITUTION: The network analyzer comprises a single signal source O, a signal distribution means PS for distributing a signal from the signal source into a plurality of portions for supply, output ports 1-4 for connecting each of a plurality of ports at a plurality of measurement targets X1 and X2, signal path-switching means S1-S4 for switching between a state where a signal that is distributed by a signal distribution means is inputted and the inputted signal is selected and supplied to one corresponding output port among output ports and a state where a characteristic signal obtained from the measurement targets via the output port is transmitted to terminators T1-T4, and reception means D1-D4 that are inclined between the signal path-switching means and the output port to receive a characteristic signal obtained from the measurement target.
Patent KR-20030024595-A (KR)
Title: Liquid crystal device and electronic apparatus
Inventor: MAEDA TSUYOSHI
IPC: G02B5/02
Filed: 2002-09-16
Abstract: PURPOSE: To provide a liquid crystal display device with which a bright display can be obtained with a wide viewing angle. CONSTITUTION: The liquid crystal display device 10 comprises a liquid crystal layer 40 held between a pair of substrates 20, 30 placed opposite to each other. A reflection layer 22 consisting of a hologram reflection layer, a cholesteric reflection layer or the like is formed on the counter substrate 20. A light scattering layer composed of a forward scattering film 50 is provided on an upper surface of the element substrate 30.
Patent KR-20040026205-A (KR)
Title: Aperture Coupled High Gain Patch Antenna of Double Resonance type with Feeding Microstripline according to Dielectric Thickness Change
Inventor: KANG JEONG JIN
IPC: H01Q13/08
Filed: 2002-09-23
Abstract: PURPOSE: A dual resonance type aperture-coupled high-gain patch antenna is provided to form a dual resonance band on a feeder by using an impedance variation of the feeder according to a thickness variation of a dielectric. CONSTITUTION: A dual resonance type aperture-coupled high-gain patch antenna includes a director(1) for radiating electric waves of predetermined frequencies and a feeder(3). The dual resonance type aperture-coupled high-gain patch antenna further includes a window(8), a dielectric(6), and a supporter(5). The window(8) includes a taper slot(2) to remove unnecessary electric waves. The dielectric(6) has different thickness according to each part. The feeder(3) has a bending part(7) according to a thickness variation of the dielectric. The supporter(5) is used for maintaining intervals among the director(1), the window(8), the dielectric(6), and a reflector(4).
Patent KR-20040026430-A (KR)
Title: Z-flow suction device for wire cut electric discharge machine
Inventor: AHN JEONG WON
IPC: B23H7/36
Filed: 2002-09-24
Abstract: PURPOSE: A jet water flow for transferring wire in automatic wire connection of a wire cut electric discharging machine is withdrawn completely. CONSTITUTION: A jet water flow is supplied from a pump in a wire connection. A ring body(58) is connected to a guiding pipe(54) to pass the wire, and is connected to a discharge hose(59) in lower part. A plurality of pressure reducing rings is arranged in the ring body to pass the wire and to cut the jet water flow. The jet water flow is discharged to a storage tank. A suction member is provided to suck the jet water flow forcibly and to discharge the jet water flow to the storage tank.
Patent KR-20040031443-A (KR)
Title: Door glass mounting means of automobile
Inventor: KWON GI HO
IPC: B60J1/17
Filed: 2002-10-07
Abstract: PURPOSE: Combining structure of a door glass of a vehicle is provided to prevent breakage of the peripheral portions of a combining hole of the door glass although external force is given to the door glass. CONSTITUTION: In combining structure of a door glass(5) of a vehicle, sliders are installed to the upper ends of a main arm and a sub arm and a guide rail(4) is installed to the sliders. The lower part of a holder body(16) is combined to the sides of the guide rail, with a bolt(18), and the door glass is inserted into an insertion groove(19) formed to the upper part of the holder body. Through holes(30,30') are formed to supporting pieces(20,20') formed to both sides of the insertion groove. A combining hole(23) of the door glass is inserted in the insertion groove and then a retainer(31) is inserted in the through holes and the combining hole and is fastened by a bolt(32).
Patent KR-20040034292-A (KR)
Title: Tunnel structure carried out by double construction method using corrugated steel plate
Inventor: JUNG JI HYEON
IPC: E21D11/00
Filed: 2002-10-23
Abstract: PURPOSE: A tunnel structure constructed by a double construction method using a wavy steel plate is provided to minimize environmental disruption, to maximize the load strength, to construct a separate drainage way to prevent the discharge of leachate to a tunnel, to improve appearance and to maximize stabilization. CONSTITUTION: The tunnel structure constructed by a double construction method using a wavy steel plate contains: a concrete structure(100) connected with footing concrete to install a wavy stele plate(P) of a double structure; a semicircular arched wavy steel structure(P) installed to fit fixing-bearing sheets(30,30') to both sides to fix a wavy steel plate to an H-beam(10) built in the concrete structure when installing a wavy steel plate(P) to the phase section of the first stage of a concrete structure(60); a semicircular arched wavy steel structure(P) installed to fit fixing-bearing sheets(30,30') to both sides to fix a wavy steel plate to the H-beam(10) built in a concrete structure when installing a wavy steel plate to the phase section of the second stage of a concrete structure(70); and many discharge holes formed on a hollow of a steel plate in the semicircular arched wavy steel structure, and a ventilator installed in the wavy steel plate to exhaust the air in the tunnel to the outside.
Patent KR-20030036022-A (KR)
Title: Bellows type outer crossfire tube
Inventor: TILSON KEITH
IPC: F23Q9/00
Filed: 2002-10-30
Abstract: PURPOSE: A crossfire tube, a combustor, and a crossfire tube assembly are provided to reduce the cost and the time for installation by reducing the number of parts. CONSTITUTION: A crossfire tube(10) for attachment between adjacent combustors(12,14) in a land-based gas turbine comprises a substantially cylindrical bellows portion(16) and a pair of uniform diameter free ends(20,22) on opposite sides of the bellows portion. The uniform diameter free ends are adapted to seat within apertures(24,26) provided in the adjacent combustors. The diameters of the substantially uniform diameter free ends are substantially identical to an inner diameter of the bellows portion. The crossfire tube is in combination with a pair of telescoping sleeve members(32,34) adapted to surround the crossfire tube and each telescoping sleeve member is fixed to the adjacent combustors.
Patent KR-20040038314-A (KR)
Title: Apparatus of Energy Recovery and Energy Recovering Method Using the same
Inventor: CHO JANG HWAN
IPC: G09G3/296
Filed: 2002-10-31
Abstract: PURPOSE: An energy recovery system and a recovering method thereof are provided to reduce the power consumption by reducing the number of circuit elements formed on a current path. CONSTITUTION: An energy recovery system includes a panel capacitor and a source capacitor(Cs). The panel capacitor is commonly formed at a first electrode and a second electrode of a panel. The source capacitor is installed at one of the first electrode and the second electrode of the panel. The source capacitor is charged or discharged by the panel capacitor. The source capacitor is charged and discharged within one subfield once. The source capacitor is discharged when the first sustain pulse is supplied to one subfield. The source capacitor is charged when the last sustain pulse is supplied to one subfield.
Patent KR-20040039978-A (KR)
Title: Method of manufacturing capacitor for semiconductor device
Inventor: AHN MYEONG GYU
IPC: H01L21/8242
Filed: 2002-11-05
Abstract: PURPOSE: A method for fabricating a capacitor of a semiconductor device is provided to easily form a capacitor and improve yield and an electrical characteristic like a leakage current and a breakdown voltage by effectively preventing a Ru layer from being damaged by the removal of photoresist in forming a capacitor of a MIM(metal insulator metal) structure using a metal like the Ru layer as an upper electrode. CONSTITUTION: A lower electrode(12) is formed on a semiconductor substrate(10) on which a predetermined process is performed. A Ta2O5 layer and the Ru layer are sequentially formed on the lower electrode. A barrier layer is formed on the Ru layer. A photoresist pattern is formed on the barrier layer. The barrier layer is etched by using the photoresist pattern as an etch mask. The photoresist pattern is eliminated. The Ru layer and the Ta2O5 layer are sequentially etched to form an upper electrode(14A) and a dielectric layer(13A) by using the etched barrier layer as an etch mask.
Patent KR-20040040586-A (KR)
Title: OFDM based Timing Synchronization apparatus and method
Inventor: HA TAE HYEON
IPC: H04L27/26
Filed: 2002-11-07
Abstract: PURPOSE: An OFDM-based synchronization detector and a detecting method thereof are provided to simplify a structure of hardware by using a shifter instead of a multiplier to perform a quantization process. CONSTITUTION: An OFDM-based synchronization detector includes A 2¬n level quantizer(410), a delay(420), a shifter(440), and a peak detection unit(470). The 2¬n level quantizer(410) quantizes received data samples by a 2¬n level. The delay(420) delays the quantized data samples as much as a predetermined clock. The shifter(440) shifts the output data of the 2¬n level quantizer as an exponent of the output data of the delay. The peak detection unit(470) detects a peak value from the sum of the outputs of the shifter.
Patent KR-20040041929-A (KR)
Title: Shallow Waters remove system
Inventor: CHO YONG JIN
IPC: B63B35/32
Filed: 2002-11-12
Abstract: PURPOSE: A multifunctional marine debris collecting ship with a cutting unit is provided to collect marine debris on or under shallow water efficiently and safely by cutting long waste with the cutting unit in lifting waste on the deck by the collecting unit. CONSTITUTION: An articulated crane is mounted in an installation bar of a stem of a multifunctional marine debris collecting ship(10). A long boom and an arm are combined by a pin shaft, and articulated around the pin shaft in driving a cylinder. A connecting unit is fastened in the end of the articulated crane, and collecting units are selectively combined with the connecting unit to collect marine debris. A cutting unit(80) is installed in the port side or the starboard of the collecting ship, and composed of a couple of plier cutters(82) interlocking with a cylinder(81), a rotary installation bar(84) mounting the plier cutters, a fixing arm(83) combined with the rotary installation bar and a support bar(85) fastening the fixing arm.
Patent KR-20040045109-A (KR)
Title: Method of manufacturing a semiconductor device
Inventor: KIM HUI JIN
IPC: H01L21/60
Filed: 2002-11-22
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of generating scratches on the upper surface of a metal pad for reinforcing the adhesive force with the post-wire metal. CONSTITUTION: A passivation layer(17) and a barrier(18) are sequentially formed on a semiconductor structure(10). A contact hole for a metal pad is formed by selectively etching the barrier and the passivation layer. A metal layer(22) is deposited on the entire surface of the resultant structure. A metal pad(24) is formed by selectively removing the metal layer on the barrier. The first and second CMP(Chemical Mechanical Polishing) process are carried out on the surface of the metal pad for generating scratches. A wire bonding process is performed on the metal pad.
Patent KR-20040047411-A (KR)
Title: Apparatus for supplying auxiliary fuel of internal-combustion engine
Inventor: CHO KI HWAN
IPC: F02M25/00
Filed: 2002-11-30
Abstract: PURPOSE: A combustive material supplying device of an internal combustion engine is provided to largely reduce the emission of the internal combustion engine, improve the output of the engine by increasing fuel efficiency, expand the life span of the engine, and save fuel by vaporizing and selectively supplying the mixture, which is formed by mixing combustion accelerating liquid fuel and pure air removing moisture and impurities and richening the content of oxygen, to an intake manifold of the engine. CONSTITUTION: A combustive material supplying device(100) of an internal combustion engine comprises an air supply source unit(110) for selectively discharging air of the predetermined pressure; a filtering unit(120) connected to the air supply source unit to absorb and remove moisture and impurities in the air supplied from the air supply source unit and increase the oxygen content of the air; an accelerating fuel supply unit(130) including a fuel tank for receiving combustion accelerating fuel as methanol and ethanol and extruding the combustion accelerating fuel at the constant pressure; an air/accelerating fuel mixing unit(140) connected to the filtering unit and the accelerating fuel supply unit to mix the pure air passing through the filtering unit and the combustion accelerating liquid fuel supplied from the accelerating fuel supply unit; a heating unit(150) connected to the air/accelerating fuel mixing unit to heat and vaporize the gas-liquid mixture mixed in the air/accelerating fuel mixing unit at the predetermined temperature; and an injection unit(160) installed between the heating unit and an intake manifold(195) to inject steam mixture vaporized by the heating unit to an air passage of the intake manifold.
Patent KR-20040048323-A (KR)
Title: heater apparatus of ink jet print head and fabrication method therefor
Inventor: KIM YUN GI
IPC: B41J2/05
Filed: 2002-12-02
Abstract: PURPOSE: A heater apparatus of an ink jet print head and a method for manufacturing the same are provided to easily manufacture a heater and to improve reliability of a heater layer by adjusting a resistance of the heater through an ion implantation process in addition to wiring/hater layer forming processes. CONSTITUTION: A heater apparatus of an ink jet print head includes a silicon substrate(101), a heater pattern(103), a wiring patter(104), and a protection layer(105). The silicon substrate(101) has an insulating layer(102) such as an oxide layer formed on an entire surface of the silicon substrate(101). The heater pattern(103) and the wiring pattern(104) are aligned on the insulating layer(102). The heater pattern(103) has a plurality of heaters for heating ink. The wiring patter(104) has a plurality of wires connecting to a switching device of a transistor formed on the heater pattern(103).
Patent KR-20040049921-A (KR)
Title: Vapor phase synthesis of high purity nano- and submicron particles with controlled size and agglomeration
Inventor: KANG SEOK JU
IPC: B82B3/00
Filed: 2002-12-05
Abstract: PURPOSE: Provided is a simple method for preparing nano/submicron-sized particles with high purity, low agglomeration and high crystallinity by vapor phase synthesis which is characterized by cutting the reaction area with cold fluid. CONSTITUTION: The preparation method of nano/submicron-sized ceramic, metal, and alloy particles by vapor phase synthesis using a flame reactor comprises the steps of: (i) preparing a vapor or aerosol phased precursor by heating of an evaporator, wherein the precursor is selected from metal, BCl3, boric acid ester, metal halide, metal hydroxide, etc.; (ii) carrying the prepared precursor mixed with carrier gas(Ar, N2) into the central tube(12a) of a flame reactor(12) containing four tubes in concentric circles(12a-d), wherein the fuel gas(H2 or hydrocarbon) is flown into the second tube(12b), the reactant gas(O2, H2 or hydrazine) is flown into the third tube(12c) to make flames, and the stabilizing gas(air) is flown into the fourth tube(12d); heating the mixture of precursor and gas in a reaction area of the flame reactor with fuel gas to synthesize nano-sized particles; (iii) controlling the reaction area forming particles by spraying cold fluid(4) such as inert gas, air, water or solvent on a special position of the reaction area strongly through a reaction- stopping device(6), which leads particles to be formed under the spray area when the primary nano particles are growing, and unagglomerated primary particles are agglomerated to be secondary particles; (iv) gathering prepared nano/submicron-sized particles. Also, the nano/submicron-sized particles are prepared by vapor phase synthesis using a thermal reactor in which the prepared precursors mixed with carrier gas or reactant gas are carried at the step (ii).