baber/WOPTO huggingface dataset:
Patent KR-20030096637-A (KR)
Title: A state painting inspection machine of handyphone case the surface
Inventor: LEE GI HONG
IPC: G01B5/28
Filed: 2002-06-17
Abstract: PURPOSE: An apparatus for inspecting a coating state on a case of a portable phone is provided to easily and rapidly inspect the coating state of the portable phone by pressing the surface of the case using a frictional device. CONSTITUTION: A coating state inspecting device includes a body(1) having a control section(1'). A guide rail(11) is formed at an upper portion of the body(1) and a moving table(2) is installed on the guide rail(11). A crank device(13) and a crank rod are connected to a driving motor in order to move the moving table(2) along the guide rail(11). A fixing table(31) is provided on an upper portion of the moving table(2). A case fixing table(2') is provided in the moving table(2). A fixing tube(402) is longitudinally installed on an upper portion of the case fixing table(2'). A pressing member is protruded towards a lower end of the fixing tube(402).
Patent KR-20030096973-A (KR)
Title: Apparatus for spraying ozone fog
Inventor: CHO GUK HUI
IPC: A61L9/20
Filed: 2002-06-18
Abstract: PURPOSE: Provided is an ozone fog spraying system for spraying ozone in the form of fog, which is compatible with multiple frequency power sources, effectively used for food storage and air purification, simplified in structure, operable in an unmanned manner and easily transportable and manageable. CONSTITUTION: The ozone fog spraying system comprises: an ozone discharge pipe(101) having electrodes for a soundless discharge for producing ozone; power transformers(102,103) for providing power for soundless discharge to the electrodes; a compressor(104) for injecting source gas (air) for generating ozone into a discharge space in the ozone discharge pipe(101); a dehumidifier(105) for removing dust or moisture from the source gas; a sprayer(106) for receiving the ozone produced by the ozone discharge pipe(101) and spraying the ozone and water in the form of ozone fog through a nozzle; and a controller(107) for controlling the overall components to perform their pertinent functions.
Patent KR-20040001993-A (KR)
Title: Method for forming a copper metal line and method for forming a multi metal line in semiconductor device using the same
Inventor: KIM DONG JUN
IPC: H01L21/3205
Filed: 2002-06-29
Abstract: PURPOSE: A method for forming a copper metal line is provided to remove organic contaminations and to improve seed wettability by pre-cleaning of a copper seed layer using UV and O3. CONSTITUTION: A copper seed layer(104) is formed on a semiconductor substrate(102) having a lower layer. By pre-cleaning the copper seed layer(104) using UV and O3, organic impurities existed on the copper seed layer are removed. Also, a copper oxide layer is removed by performing hydrogen annealing treatment. A copper electroplating layer(108) is then deposited on the resultant structure. Then, a copper metal line is formed by annealing the copper electroplating layer(108).
Patent KR-20040003140-A (KR)
Title: Continuously Variable Valve Timing control method
Inventor: HAN GWANG JIN
IPC: F01L25/08
Filed: 2002-06-29
Abstract: PURPOSE: A method is provided to stabilize an engine state, while allowing for a continuously variable valve timing control even upon occurrences of breakdown of engine oil temperature sensor. CONSTITUTION: A method comprises a step(S2) of measuring an engine oil temperature and a coolant temperature by using an engine oil temperature sensor and a coolant temperature sensor; a step(S7) of determining a coil substitute temperature by using preset map data on the basis of engine oil temperature and coolant temperature; a step(S9) of controlling a continuously variable valve timing solenoid valve such that the overlap between the intake valve and the exhaust valve decreases, by decreasing the amount of oil being supplied to the continuously variable valve timing actuator when the coil substitute temperature is lower than the preset level; and a step(S10) of controlling the continuously variable valve timing solenoid valve such that the overlap between the intake valve and the exhaust valve increases, by increasing the amount of oil being supplied to the continuously variable valve timing actuator when the coil substitute temperature is higher than the preset level.
Patent KR-20040003907-A (KR)
Title: Optical Pick-Up having a grating lens
Inventor: CHO HYEONG YEON
IPC: G11B7/1353
Filed: 2002-07-04
Abstract: PURPOSE: An optical pickup having a diffraction grid lens is provided to increase the intensity of radiation of a 0th light beam while maintaining the intensity of a +1st light beam and a -1st light beam, thereby accurately writing or reading data. CONSTITUTION: A laser diode(10) scans a laser beam having a predetermined wavelength. A diffraction grid lens(20) diffracts and divides the laser beam output from the laser diode into a +1st light beam, a 0th light beam, and a -1st light beam. The diffraction grid lens has a circular transmitting part perforated in the center for transmitting the laser beam. A beam splitter(30) reflects a part of the laser beam transmitting the diffraction grid lens while transmitting the rest of the laser beam. A collimating lens(40) sets the beam reflected from the beam splitter and diffused as a parallel light beam. An objective lens(50) focuses the parallel light beam on an optical disk(60). A photo diode(70) detects a signal from the light beam reflected from the optical disk.
Patent KR-20040006470-A (KR)
Title: Method for forming gate oxide in semiconductor device
Inventor: LEE JONG GON
IPC: H01L21/336
Filed: 2002-07-12
Abstract: PURPOSE: A method for forming a gate oxide layer of a semiconductor device is provided to be capable of considerably reducing the thickness of the gate oxide layer by using a sacrificial oxide layer. CONSTITUTION: A sacrificial oxide layer is formed at the upper portion of a semiconductor substrate(100) by carrying out an NO annealing process. A wet etching process is carried out at the sacrificial oxide layer. Then, a dry thermal oxide layer(300) is formed at the upper portion of the semiconductor substrate. Preferably, the NO annealing process is carried out by using NO: N2= 0.5: 9.5 at the temperature of 850 °C for 20 minutes. Preferably, the wet etching process is carried out by using diluted HF based chemicals. Preferably, the dry thermal oxide layer having a thickness of 30 angstrom, is formed at the temperature of 850 °C.
Patent KR-20040008666-A (KR)
Title: Method of manufacturing capacitor for semiconductor device
Inventor: JUNG HYEON JIN
IPC: H01L27/04
Filed: 2002-07-19
Abstract: PURPOSE: A method for manufacturing a capacitor of a semiconductor device is provided to improve capacitance and electrical properties by using a TiO2 layer as a dielectric film. CONSTITUTION: A lower electrode(100) is formed on a semiconductor substrate(10). The first reaction barrier layer(19) made of a nitride layer is formed on the surface of the lower electrode. A TiO2 film(20) as a dielectric film is formed on the first reaction barrier layer. The second reaction barrier layer(21) made of a Ta2O5 film is formed on the dielectric film. An upper electrode(22) is formed on the second reaction barrier layer. The first reaction barrier layer(19) prevents the reaction between the lower electrode and the dielectric film, and the second reaction barrier layer(21) prevents the reaction between the dielectric film and the upper electrode.
Patent KR-20040011186-A (KR)
Title: An apparatus for improving the pickling efficiency of hot rolled sheet
Inventor: PARK JAE CHAN
IPC: C23G3/02
Filed: 2002-07-29
Abstract: PURPOSE: A device for improving pickling efficiency of hot rolling workpiece is provided to improve degreasing power when cleaning the workpiece by vertically moving the hot rolling workpiece passing through pickling tank, thereby varying a looper quantity and improve pickling efficiency by minimizing settlement quantity of various sludge. CONSTITUTION: In a hot rolling workpiece pickling facility comprising a pickling tank in which sulfuric acid for pickling a hot rolling workpiece(120) is filled, the device for improving pickling efficiency of the hot rolling workpiece comprises a driving part(10) comprising inclined rotational shafts(16,18) installed at both sides of fixed stand(22) installed inside the pickling tank in such a manner that the inclined rotational shafts(16,18) are rotated by motors(12,14), and an inclined rotational plate(20) integrally fixed to an upper part of the inclined rotational shafts(16,18); and a workpiece looper varying part comprising a sliding shaft(34) connected to the inclined rotational plate(20) in a universal joint shape, and a roll(36) into both end parts of which the sliding shaft(34) is rotationally and slidingly inserted, and through an upper part of which the hot rolling workpiece(120) passes with being closely adhered to the roll(36), wherein a linear stroke bearing(38) is mounted on both end parts of the sliding shaft(34) inserted the roll(36) so that the sliding shaft(34) is rotated and slid by the linear stroke bearing(38).
Patent KR-20040011298-A (KR)
Inventor: LIM CHAE HONG
IPC: F16H3/08
Filed: 2002-07-30
Abstract: PURPOSE: A dual clutch type manual transmission is provided to improve the durability and shift quality by doubly controlling the power transmitted from an engine and reducing load given to each clutch. CONSTITUTION: A dual clutch type manual transmission includes a main clutch(15) installed between an engine(10) and an input shaft(20) of the transmission, to control power transmission; a sub-shaft(30) rotated by a driven gear(31) engaged with a drive gear(21) installed to the transmission shaft; a hollow shaft(37) rotatably installed to the sub-shaft; a sub-clutch(39) installed between the hollow shaft and the sub-shaft, to control the power transmission to the hollow shaft; plural transmission sub-gears(32,33,34,35) installed to the sub-shaft and the hollow shaft, to rotate; a main shaft(40) having plural transmission gears(41,42,43,44) each engaged with the transmission sub-gears; plural synchronizers(45,46) spline-combined to the main shaft and engaged with the transmission gears to rotate the main shaft; a TCU(Transmission Control Unit,50) sensing the rotation of the transmission input shaft and the main shaft and controlling the working of the main clutch and the synchronizers according to driver's control; and a clutch control unit controlling the working of the sub-clutch according to a control signal of the TCU.
Patent KR-20040016114-A (KR)
Title: An air conditioning system
Inventor: KIM JAE CHEOL
IPC: F24F1/00
Filed: 2002-08-16
Abstract: PURPOSE: An indoor unit of an air conditioner is provided to allow condensed water drip pan to be separated and cleaned without disassembling an evaporator by improving structure of a fan case and installed position of the condensed water drip pan. CONSTITUTION: An extension part(60) is placed on an upper end of a fan case(50) having an outlet(52) formed thereon to be extended from the outlet toward each walls of a cabinet and partition an inner space of the cabinet to prevent mixing of air in an upper part of the cabinet having exchanged heat and air in a lower part of the cabinet not exchanging heat yet. A lower end of an evaporator is supported by the front side extension part extended to the front side wall of the cabinet. A condensed water drip pan(70) is installed to a front side of the fan case on a lower side of the extension part supporting the lower end of the evaporator to collect condensed water generated by the evaporator and to discharge the condensed water . A penetrating part(61) is placed on the extension part supporting the lower end of the evaporator to guide condensed water dropping from the evaporator to the condensed water drip pan.
Patent KR-20040016203-A (KR)
Title: Improved fastening structure at lower part of Rear Bumper
Inventor: SHIN YONG SEOK
IPC: B60R19/24
Filed: 2002-08-16
Abstract: PURPOSE: A structure for coupling the lower part of a rear bumper is provided to improve assembly efficiency and to reduce manufacturing cost. CONSTITUTION: A lower bracket(40) connects a bumper beam(30) to a bumper cover(10) located at the outside of a vehicle. The bumper beam is coupled to the top of the lower bracket by a coupling unit. A bent unit(42) is formed at the lower part of the lower bracket. The lower part(12) of the bumper cover is tightly fixed to the bent unit.
Patent KR-20030074061-A (KR)
Title: Pipe Joint Device
Inventor: KIM SU GEN
IPC: F16L15/04
Filed: 2002-08-16
Abstract: PURPOSE: A pipe connection device is provided to perform the connection of the pipes without a screwing and welding process to prevent pipes from dislocating each other. CONSTITUTION: A screw surface is formed in an inner surface(6) of the main body(1). An inclined plane is formed along the screw surface to form a packing surface at which an inner diameter of the main body is measured. A circular groove(11) is formed at the end of a pipe(2) to be connected with the inner diameter of the main body. A packing(3) is sit onto the connection of the inner diameter to the circular groove. Circular protrusions(12) are formed near the circular groove formed on the pipe to fit a supporting ring(4) so as to prevent the movement of the pipe connected to the circular protrusions. A nut(5) has a pathway(15) to pass through the circular process.
Patent KR-20030062205-A (KR)
IPC: G11B7/1267
Filed: 2002-08-19
Abstract: 시험 기입 기록 마크가 형성되는 경우 복귀광의 변동에 기초하여 결함 영역부를 검출하고, 검출된 부분과 동일한 조건으로 또 다른 부분에 기록하며, 시험 기입의 재생시에는 결함 영역이 검출된 영역 대신 기록 영역에 대한 정보를 사용함으로써, 시험 기입시 결함 영역으로부터의 데이터에 따라 적절한 기록 파워 검출 지연이 생성되는 것을 방지하려는 시도가 이루어진다.
Patent KR-20040020448-A (KR)
Title: Steel connector for close-shaped lightweight steel and frame system using it
Inventor: LEE JAE SEOK
IPC: E04B1/24
Filed: 2002-08-30
Abstract: PURPOSE: A structural connector for a light gauge having a closed section is provided to improve structural efficiency of a light gauge having a closed section. CONSTITUTION: The structural connector for a light gauge having a closed section contains two joints, and two reinforcement units reinforcing the inner sides of the joints. Wherein the joint is formed by folding up a steel plate having the appointed thickness to cover up a web, a flange and a rib of a light gauge having a closed section(120), and composed of a web corresponding unit corresponding to the web of the light gauge(120), a flange corresponding unit folded perpendicular to the web corresponding unit to correspond to the flange and a rib corresponding unit folded perpendicular to the flange corresponding unit to correspond to the rib.
Patent KR-20040020634-A (KR)
Title: Objective lens formed of nonlinear material and optical pick-up employing the same
Inventor: HUH TAE YEON
IPC: G02B13/00
Filed: 2002-08-31
Abstract: PURPOSE: An object lens formed of a nonlinear material and an optical pick-up employing the object lens are provided to reduce a beam spot size. CONSTITUTION: An optical pick-up includes a light source, an object lens(15), and a photo-detector. The object lens focuses a beam emitted from the light source on a recording plane of an optical recording medium to form a beam spot. The photo-detector receives a beam reflected from the recording plane of the optical recording medium to detect an information signal and/or an error signal. The object lens is formed of a nonlinear material whose refractive index is varied when light passes through the material. The object lens is made in such a manner that the nonlinear material is coated on the surface of a plastic lens.
Patent KR-20040021244-A (KR)
Title: Method for certifying stable gas pressure of coke oven
Inventor: CHOI JAE HUN
IPC: C10B41/00
Filed: 2002-09-03
Abstract: PURPOSE: A method for checking stabilized gas pressure of coke oven is provided to accurately predict gas pressure generated during coal dry distillation in coke oven from various operation conditions including coal charging conditions and oven dry distillation conditions. CONSTITUTION: The method comprises first step of calculating P (unit: mmH2O) that is a gas pressure generated during dry distillation of the coal from the following expression when moisture of coal charged into coke oven is M (unit: %), a ratio in which grain size of the coal is 3 mm or less is dp (unit: %), temperature during charging of the coal is Tcharging (unit: deg.C), and final dry distillation temperature of the coal is Tdry distillation (unit: deg.C): P=3.09x10¬9x{1/(M)¬2.520}x{1/(Tdry distillation)¬5.281}x{(Tcharging)¬5.206}x{1/(dp)¬2.303}; and second step checking whether the calculated gas pressure is less than or the same as the limit gas pressure by comparing the calculated gas pressure with a limit gas pressure of the coke oven, wherein the method further comprises a step of changing any one or more values in the M, dp, Tcharging and Tdry distillation and repeatedly performing the first and second steps using the changed values if the calculated gas pressure is larger than the limit gas pressure in the second step.
Patent KR-20040022552-A (KR)
Inventor: KIM SEOK GYEONG
IPC: F01M11/10
Filed: 2002-09-09
Abstract: PURPOSE: A system for detecting clogging of a cylinder block oil return hole is provided to automatically detect clogging of a cylinder block oil return hole, thereby improving the efficiency of an inspection work and the efficiency of equipment. CONSTITUTION: A main body is installed on one side of a roller conveyor transferring a cylinder block to pass the cylinder block. A right position arrival sensor(20) senses whether the cylinder block arrives at a right inspection position in the main body. A clogging sensor has a pressure sensor(38) installed around an air outlet of an air injector for sensing a pressure in an inlet of an oil return hole. An air supply unit supplies the air to the air injector. A notifying element(60) notifies clogging of the oil return hole to the outside. A control unit(70) judges whether the oil return hole is clogged.
Patent KR-20040024192-A (KR)
Title: cylinder head cover of an engine
Inventor: KIM JAE CHUN
IPC: F02F1/24
Filed: 2002-09-13
Abstract: PURPOSE: A cylinder head cover of an engine is provided to prevent a jacket part of an ignition coil from being worn away, thereby continuously supplying stable power to an ignition plug and improving the durability of the ignition coil. CONSTITUTION: A plurality of protruded ribs(5) are formed on vertical walls of ignition coil mounting holes(3) of a cylinder head cover(1), guiding a jacket part of an ignition coil. The plurality of protruded ribs are formed in a vertical direction at regular gaps to prevent the jacket part of the ignition coil from eccentrically mounting on the vertical walls of the ignition coil mounting holes. Therefore, if a worker fixes a fixed hole at a boss part of the cylinder head cover by screws, the jacket part of the ignition coil is mounted on the vertical walls of the ignition coil mounting holes, without being eccentric automatically.
Patent KR-20040025393-A (KR)
Title: Biac circuit for power amplifier
Inventor: OH SEUNG GEON
IPC: H03F3/20
Filed: 2002-09-19
Abstract: PURPOSE: A bias circuit of a power amplifier is provided to stabilize bias current by controlling the current applied to a base of a power transistor according to a variation of external power and a variation of temperature. CONSTITUTION: A bias circuit of a power amplifier includes a bias application unit(60), a bias feedback unit(70), and a bias stabilization unit(80). The bias application unit(60) is connected to an external power supply unit in order to apply bias current to a power amplifier(50) of a mobile communication terminal. The bias feedback unit(70) feeds back the bias current to stabilize the bias current applied by the bias application unit(60). The bias stabilization unit(80) prevents the variation of the bias current due to the variation of the external power.
Patent KR-20030030861-A (KR)
Title: Electrophotographic printer
Inventor: KOMORI CHIHIRO
IPC: G03G15/00
Filed: 2002-09-24
Abstract: PURPOSE: An electrophotograph printer is provided to maintain surface potential of a photo conductor drum regularly even if a surface of the photo conductor drum is worn away. CONSTITUTION: An electrophotograph printer includes a power supply(3) for electrification, a charge roller(1), a photo conductor drum(2), a plurality of charge elements(11), a charge current detector, a CPU(12), and a memory(13). The CPU rotates the photo conductor drum several times in the state that the plurality of charge elements are turned off. The CPU generates voltage to be obtained as surface potential of the photo conductor drum as charge voltage. The CPU integrates charge current while the charge elements are rotating, and stores the integrated charge current at the memory. The CPU controls the charge voltage output from the power supply for electrification to let the charge current be equal to the value stored at the memory.
Patent KR-20040027051-A (KR)
Title: A process for the extra-cellular secretory production of Zymomonas mobilis levansucrase using a transformed Hansenular polymorpha
Inventor: JANG EUN GYEONG
IPC: C12N15/81
Filed: 2002-09-27
Abstract: PURPOSE: A process for extracellular secretory production of Zymomonas mobilis derived levansucrase using transformed Hansenula polymorpha is provided, thereby producing Zymomonas mobilis derived levansucrase by fed-batch fermentation of transformed Hansenula polymorpha in higher yield. CONSTITUTION: A process for extracellular secretory production of Zymomonas mobilis derived levansucrase using transformed Hansenula polymorpha comprises the steps of: connecting Zymomonas mobilis derived levansucrase gene(levU) with inulase secretion signal sequence, inserting the nucleotide sequence into a vector pDLMOX to prepare an expression vector pDLMOX-Lev; transforming Hansenula polymorpha with the expression vector pDLMOX-Lev to produce Hansenula polymorpha A16/pDLMOX-lev(KCTC 10284BP); and fed-batch fermenting Hansenula polymorpha A16/pDLMOX-lev(KCTC 10284BP) using methanol.
Patent KR-20040032416-A (KR)
Title: Method for reproducing a disc containing defect area
Inventor: KIM DONG SIK
IPC: G11B7/004
Filed: 2002-10-09
Abstract: PURPOSE: A method for playing a defect disc is provided to normally operate the defect disc by detecting a size of a defect section and optimally fixing a playback capacity based on a detection result. CONSTITUTION: It is discriminated that a current position on the optical disc is a normal area based on a characteristic of a playback signal detected from the optical disc(S11). In case of an abnormal are, the size of an abnormal area is detected(S31). According to the size of the detected abnormal area, the playback capacity is fixed(S32). The characteristic of the playback signal is a level of an RF(Radio Frequency) playback signal.
Patent KR-20040035909-A (KR)
Inventor: CHO JUNG GEUN
IPC: H01M50/42
Filed: 2002-10-12
Abstract: PURPOSE: A lithium metal anode for a lithium battery is provided to facilitate the manufacture and handle of an electrode assembly comprising a lithium metal layer and to improve the life of a lithium secondary battery. CONSTITUTION: The lithium metal anode incorporated with a separator comprises a porous separator capable of supporting an electrolyte, and a lithium metal layer attached to one side of the separator. Particularly, the separator is formed of polyethylene or polypropylene. The lithium metal anode may further comprise a collector layer attached to the other side of the lithium metal layer, and a protective coating layer between the separator and the lithium metal layer.