baber/WOPTO huggingface dataset:
Patent KR-20020025024-A (KR)
Inventor: KAWAI HIDEAKI
IPC: H05K1/11
Filed: 2001-09-25
Abstract: PURPOSE: A printed circuit board and a method of manufacturing the same are provided to prevent air leakage from through holes, to eliminate a possibility of the occurrence of a short of patterns caused by soldering, and to reduce manufacturing cost and time. CONSTITUTION: A printed circuit board(1) comprises a plate-like body, through holes(8) formed by penetrating front and back faces of the body section, a device(6) under test arranged on one region bordering on the body section, and a semiconductor test unit(4) for testing the device under test. In the test, one region is set at temperature conditions in a state where the semiconductor test unit is electrically connected to the device under test from the other face of the body section via the through holes. Block members each made of an insulating material is provided on the body section to block the through holes to prevent a gas from circulating between the front and back faces of the body section via the through holes.
Patent KR-20030030213-A (KR)
Title: Method of controlling an igniting time for an engine
Inventor: HA JIN HO
IPC: F02P5/04
Filed: 2001-10-09
Abstract: PURPOSE: An ignition timing control method for a vehicle engine is provided to achieve improved performance of vehicle by enhancing hill-climbing ability through the effective control of ignition timing. CONSTITUTION: An ignition timing control method comprises a first step(S100,S110) of judging whether the throttle opening angle is lower than a reference level; a second step(S120,S130) of measuring engine RPM and calculating filling efficiency of intake air, and calculating a basic ignition timing in accordance with the result of measurement and calculation, if it is judged in the first step that the throttle opening angle is lower; a third step(S140 to S170) of calculating the final ignition timing by calculating an ignition timing delay correction value caused due to the intake-air temperature and coolant temperature, ignition timing delay correction value for controlling exhaust air temperature and ignition timing delay correction value for cases of knock and subtracting the calculated value from the basic ignition timing calculated in the second step, and controlling the ignition timing; a fourth step(S111,S112) of judging whether engine RPM is larger than the engine RPM of the previous sampling, and whether the current engine RPM is larger than 2000RPM, if it is judged in the first step that the throttle opening angle is lower, and returning to the second step if engine RPM is larger; and a fifth step(S113 to S116) of turning off the air conditioner switch, measuring engine RPM and calculating filling efficiency of intake air, calculating a basic ignition timing in accordance with the result of measurement and calculation, and controlling ignition timing, if conditions in the fourth steps are not satisfied.
Patent KR-20020032308-A (KR)
Inventor: KOYANAGI ICHIROH
IPC: G11B17/038
Filed: 2001-10-13
Abstract: PURPOSE: To provide a disk clamp hardly causing a dislocation on the data positions in a recording track and letting the distribution of the data positions concentrate near a central position even after a temperature cycle is implemented. CONSTITUTION: The material used for forming a top clamp 31 and a hub 23 is physically stable in all the temperature region in which this information recording disk device is assumed to be used and has such an elastic coefficient that the fastening force required to fix a recording disk 17 when the information recording disk device is used is available from the fastening force for fixing screws 22. The material of at least one of the top clamp 31 and the hub 23 has a coefficient of thermal expansion close to that of the recording disk 17.
Patent KR-20030033316-A (KR)
Title: Polarization phase compensator and optical pick-up using the same
Inventor: LEE GYEONG EON
IPC: G11B7/1365
Filed: 2001-10-20
Abstract: PURPOSE: A polarization phase compensator and an optical pickup device using the polarization phase compensator are provided to compensate spherical aberration of heterogeneous optical disks. CONSTITUTION: A polarization phase compensator is formed by combining a birefringent medium and an isotropic medium, and adjusts an optical path of a beam transmitting the polarization phase compensator according to wavelength and a polarizing direction of an incident beam. An objective lens condenses the beam at an optical disk appropriate for wavelength of each beam. In the case that a beam for a high density disk and a beam for a low density disk are incident to the polarization phase compensator, the birefringent medium is selected to equalize a refraction rate of the beam for the high density disk to the isotropic medium as a refraction rate of an extraordinary ray of the beam for the high density disk to the birefringent medium. In that case, a polarizing direction of the incident beam for the high density disk is the same as a polarizing direction of the extraordinary ray.
Patent KR-20030035190-A (KR)
Title: Polymer electrolyte comprising conductive inorganic nano-particle and fuel cell employing the same
Inventor: CHO JU HUI
IPC: H01M8/02
Filed: 2001-10-30
Abstract: PURPOSE: Provided are a polyelectrolyte containing conductive inorganic nano particles, which can effectively reduce crossover of methanol and has excellent ion conductivity, and a fuel battery applying the same. CONSTITUTION: The polyelectrolyte comprises conductive inorganic nano particles comprising an ion-conductive polymer membrane, a porous support having nano size of particles, and an ion-conductive material supported on the porous support, wherein the conductive inorganic nano particles are immersed in microchannel which connects a polar portion of the ion-conductive polymer membrane. The conductive inorganic nano particles have particle diameter of 0.1-50 nm.
Patent KR-20030037303-A (KR)
Title: Anti dive system in vehicle
Inventor: SEO CHAN WON
IPC: B60G17/00
Filed: 2001-11-01
Abstract: PURPOSE: A system for reducing a dive of a vehicle is provided to reduce a dive phenomenon of the vehicle and prevent a death by decreasing the flow of oil in a shock absorber and decreasing downward mobility of the shock absorber. CONSTITUTION: A system for reducing a dive of a vehicle comprises a control unit(1). The control unit receives hydraulic pressure, produced from a master cylinder(M) by a booster(B) using suction vacuum pressure of a surge tank(S) installed to an intake manifold(I) of an engine(E) through a vacuum line(P), together with a caliper(C) and hinders compression of a shock absorber(S), in operating a brake pedal(BP). The control unit comprises a housing and a switching member, on a side of a cylinder of the shock absorber. Oil filled in the cylinder is circulated in the housing. The switching member is received in the housing and operated when hydraulic pressure of the master cylinder is supplied according to the operation of the brake pedal. The switching member hinders downward moving of a piston while changing the circulation path of oil. Thus, the downward mobility of the shock absorber is reduced and the level of the vehicle is maintained.
Patent KR-20030037347-A (KR)
Title: CMOS of semiconductor device and method for manufacturing the same
Inventor: CHO HEUNG JAE
IPC: H01L21/8242
Filed: 2001-11-01
Abstract: PURPOSE: A CMOS(Complementary Metal Oxide Semiconductor) of a semiconductor device and a manufacturing method thereof are provided to reduce driving voltage and to improve the characteristic, yield, and reliability of the device by forming a nitride layer on the surface of a gate oxide layer using a DPN(Decoupled Plasma Nitridation) process. CONSTITUTION: A gate oxide layer(59) is formed on a semiconductor substrate(51) having an N-well region(C) and the first P-well region(B) of a peripheral portion, and the second P-well region(A) of a cell portion. The surface of the gate oxide layer(59) formed at the N-well region(C) of the peripheral portion and the second P-well region(A) of the cell portion, is transformed into a nitride layer(63) by a DPN(Decoupled Plasma Nitridation) process. Then, a plurality of gate electrodes are formed on the resultant structure. At the time, the DPN process is carried out by using a plasma power of 100-700 Watt at the temperature of 0-400 °C for 50-100 seconds in a process chamber having the degree of vacuum of 5-20 mTorr.
Patent KR-20030041630-A (KR)
Title: Method and Apparatus for Water Purification
Inventor: TAKADA SHUNSUKE
IPC: C02F3/30
Filed: 2001-11-21
Abstract: PURPOSE: A method and a device for purifying water are provided in which aerobic microorganism zone and anaerobic microorganism zone coexist at different spots of the same device using a thin and long closed watercourse so that efficient purification operation is performed, and the device is miniaturized. CONSTITUTION: The water purification method is characterized in that purified drain containing as less nitrates as possible is produced by flowing water to be purified in a thin and long closed watercourse, performing nitrification at a zone close to the inlet side of drain to be purified of the watercourse using aerobic microorganisms and performing denitrification at a zone close to the outlet side of the drain to be purified using anaerobic microorganisms. The water purification device is characterized in that it is formed in a thin and long closed watercourse, a zone where aerobic microorganisms propagate is formed at a part close to the inlet side of drain to be purified, and a zone where anaerobic microorganisms propagate is formed at a part close to the outlet side of the drain to be purified, wherein the thin and long closed watercourse is formed in a zigzag shape, and wherein the thin and long closed watercourse comprises a plural cylinder bodies, and upper part and lower part of the plural cylinder bodies are alternately connected to each other so that a zigzag shaped watercourse is formed.
Patent KR-20030042142-A (KR)
Title: Apparatus for control of cooling water circulation for cooling hot rolled strip
Inventor: HONG SEONG GUK
IPC: B21B45/02
Filed: 2001-11-21
Abstract: PURPOSE: A supplied cooling water control apparatus for laminar flow cooling is provided which is capable of controlling cooling of strip more uniformly as reducing cooling water and power consumption by controlling supply flow rate of cooling water more effectively. CONSTITUTION: In a cooling water control system of hot rolling facility comprising cooling water storage pit, cooling water cooling tower, cooling water transport pump, laminar tank(100) and cooling water transport pumps, the supplied cooling water control apparatus for laminar flow cooling is characterized in that a required amount of cooling water is supplied into the laminar tank(100) by adopting an inverter to the cooling water transport pump(116) as a cooling water transport pump control device(122) and using information on cooling water spray patterns for temperature control, wherein the cooling water transport pump control device(122) adopted to the cooling water transport pump(116) is formed of a fluid coupling.
Patent KR-20030042174-A (KR)
Title: Hinge device
Inventor: HAN YEONG SU
IPC: B29C51/00
Filed: 2001-11-21
Abstract: PURPOSE: A hinge apparatus is provided to allow an automatic rotation at some angle section of a device while stably maintain a stop state at an angle of the other remaining section. CONSTITUTION: A housing(30) is formed as a long tube. A cam member(60) is received in the housing(30) at one portion thereof and has a cam. A cam follower member(40) includes a cam follower part interworking with the cam at one portion thereof. An elastic member(80) applies force to either the cam member(60) or to the cam follower member(40) so that the cam follower part can be in contact with the cam. One of the cam member(60) and the cam follower member(40) is linearly moved in the housing(30), and at this time, as one of them is linearly moved, the other makes a rotational movement to rotate the moving member against a static member. The cam includes groove portions(77a,77b) which force one of the cam member(60) and the cam follower member(40) to be in a position nearest to the other, top portions(76a,76b) which force one of them to be in a position farthest from the other, and linear portions(78a,78b) which maintain a certain distance between the cam member(60) and the cam follower member(40).
Patent KR-20030041699-A (KR)
Inventor: PARK YONG SEOK
IPC: F25D21/06
Filed: 2001-11-21
Abstract: PURPOSE: A defrost control method is provided to suppress rise of refrigerator temperature caused due to the failure of detection of freezer compartment door open, while avoiding unnecessary power consumption. CONSTITUTION: A defrost control method comprises the first step of sensing a door open/shut state through a door switch; the second step(200) of sensing the indoor temperature of a refrigerator; the third step(210) of detecting an operating duration of a compressor; and the fourth step(220) of performing a defrost operation if the door is sensed as shut, the indoor temperature of the refrigerator is maintained at the temperature higher than a predetermined level, and the operating duration of the compressor has lapsed a predetermined time period.
Patent KR-20030041706-A (KR)
Title: Float structure with a lighting instrument
Inventor: KIM HYUN CHUL
IPC: E02B15/04
Filed: 2001-11-21
Abstract: PURPOSE: A float structure with lighting instruments is provided to allow for ease of construction and reduce work time, while lengthening the useful life of the float and permitting the float to be easily visible even during the night time. CONSTITUTION: A float structure comprises a plurality of hollow cylindrical float main bodies; a rope connecting hook(13) protruded from both sides of the float main bodies so as to connect the float main bodies through a rope; a cable(23) arranged within a cable protection tube(24) which is inserted into fixing members(14) protruded from the top of the float main bodies, wherein the cable is connected to an external power supply; light instruments arranged on the top and inside of the float main bodies and connected to the external power supply through the cable such that the float main bodies are visible even during the night time; coupling pieces(15) extended from the lower end of the float main bodies, wherein each of the coupling pieces has a plurality of coupling grooves(15a); and a reinforcement plate(17) having a plurality of coupling grooves(17a) for increasing coupling force when the coupling pieces are coupled to a V-shaped reinforcement belt(2) through a bolt(18a) and a nut(18b).
Patent KR-20030042268-A (KR)
Title: Method for manufacturing capacitor of semiconductor device
Inventor: PARK JONG BEOM
IPC: H01L27/04
Filed: 2001-11-22
Abstract: PURPOSE: A method for fabricating a capacitor of a semiconductor device is provided to prevent a lower electrode contact plug from being damaged in a process for eliminating a photoresist layer by performing an etch-back process while the photoresist layer is not applied. CONSTITUTION: An interlayer dielectric having a contact hole is formed on a semiconductor substrate(41). A plug is formed to fill the contact hole. The first conductive layer pattern as an overlap layer of the plug is formed on the interlayer dielectric including the plug. An insulation layer having a contact hole for a capacitor is formed on the first conductive layer pattern. The second conductive layer is formed on the resultant structure. An etch-back process is performed to form the second conductive layer spacer on the sidewall of the contact hole for the capacitor while the first conductive layer pattern and the second conductive layer spacer constitute the lower electrode of a concave structure. A dielectric layer and an upper electrode are formed on the insulation layer including the lower electrode.
Patent KR-20030042689-A (KR)
Title: Pneumatic vehicle tire for off-roader
Inventor: HONG YEONG SU
IPC: B60C11/13
Filed: 2001-11-23
Abstract: PURPOSE: A pneumatic tire for a vehicle running on an unpaved road is provided to absorb impact caused by objects protruded on the road surface and to reduce breakage of the tire, by forming protrusions to grooves of a shoulder portion. CONSTITUTION: A pneumatic tire for a vehicle running on an unpaved road forms plural lugs(3) to a shoulder portion(2) of a tread(1). Plural protrusions(5) are formed to a groove(4) between the lugs in the circumferential direction. Accordingly, objects protruded on the road surface are primarily crashed into the protrusions and thus, the breakage of the weak groove portion is reduced.
Patent KR-20030045316-A (KR)
Title: align measuring method of photo-lithography fabrication
Inventor: SON TAEK SU
IPC: G03F9/00
Filed: 2001-12-03
Abstract: PURPOSE: An alignment measuring method of a photolithography process is provided to be capable of improving the reliability of the correction of alignment by using data base including the detail of alignment setting position according to the shrinkage and expansion of a wafer as a correcting data. CONSTITUTION: The first wafer coated with photoresist is loaded at the opposite side of a reticle(ST200). An aligning process is carried out between the wafer and reticle using aligning mark(ST202). A pattern image is transcribed on the aligned wafer by using an exposure process(ST204). The deviation range between the transcribed pattern image and a pattern image existing in data base, is measured(ST206), wherein the data base includes the detail of alignment setting positions. Whether keeping on processing or not, is then decided by the deviation range(ST208). The alignment detected position is corrected by applying the data of the deviation range to the first and second wafer(ST214). The detail of alignment setting position according to the shrinkage and expansion of the first wafer is applied to the data base(ST230).
Patent KR-20030050117-A (KR)
Title: Bite for tip grinding of welding gun
Inventor: CHOI JAE GU
IPC: B23K11/30
Filed: 2001-12-18
Abstract: PURPOSE: A tip grinding bite used for a welding gun is provided to shorten working time required for grinding a tip by simultaneously grinding a round tip and a planar tip on a tip dresser. CONSTITUTION: A tip grinding bite includes an outer wheel member(23), a round bite, and a planar bite(33). The outer wheel member(23) has a circular disc shape and is formed at an outer peripheral portion thereof with a gear-tooth section(25). A mounting section is formed at a center of the outer wheel member(23). The round bite is inserted into one side of the mounting section of the outer wheel member(23) in order to grind a round tip of a welding gun. The planar bite(33) is inserted into the other side of the mounting section of the outer wheel member(23) in order to grind a planar tip of the welding gun.
Patent KR-20030052437-A (KR)
Title: Insulating plate device using ceramic bolts for preventing thermal defects in cable supporter mounted nearby high temperature source
Inventor: JUNG HUI TAE
IPC: H01B13/00
Filed: 2001-12-21
Abstract: PURPOSE: A heat insulating plate device is provided to reduce costs and labor required for the manufacture and installation of the new trestle, while preventing outage of the power and interruption of signal caused due to the re-installation of the trestle. CONSTITUTION: A heat insulating plate device is characterized in that a heat insulating plate(4) is attached, through a ceramic bolt(5), underneath a trestle(3) accommodating cables with a spacing formed between the outer bottom of the trestle and the heat insulating plate. Thus-configured heat insulating plate device effectively prevents thermal damages of the cables in the trestle accommodating cables for power supply and transmission of electrical signals.
Patent KR-20030054135-A (KR)
Title: Mis-setting Protection Structure Of Gas Range Support
Inventor: KANG YEONG CHEOL
IPC: F24C15/08
Filed: 2001-12-24
Abstract: PURPOSE: An erroneous setting prevention structure is provided to achieve improved user convenience by allowing a user to easily recognize the erroneous setting of the grille of gas range. CONSTITUTION: An erroneous setting prevention structure comprises a casing(10) accommodating an ignition device and a gas supply device; an upper plate(20) mounted on the casing, and which protects components installed in the casing and has a mounting portion(21) formed at the outer surface of the upper plate; a burner head(30) arranged symmetrically centering from the center of the upper plate, and connected to the gas supply device so as to generate heat; and a grille(40) mounted on the mounting portion of the upper plate, and which has a frame(41) for supporting a cooking container and a grate(42) formed on the main body of the grille; and an assembly completion unit(50) arranged at a side of the frame of the grille, and which prevent an erroneous setting of the grille.
Patent KR-20030055790-A (KR)
Title: Method for forming photo resist pattrn
Inventor: KO CHA WON
IPC: H01L21/027
Filed: 2001-12-27
Abstract: PURPOSE: A method for forming a photoresist pattern is provided to be capable of preventing collapse of line and space photoresist pattern. CONSTITUTION: The first photoresist layer is coated on a semiconductor substrate(1) having conductive patterns(2a). The second photoresist pattern(4a) of a negative type is formed on the first photoresist layer. The surface of the second photoresist pattern(4a) is treated by silylation. A silicon oxide layer(5a) is formed by O2 plasma treatment of the second photoresist pattern(4a). The first photoresist pattern(3a) is then formed by O2 plasma etching of the first photoresist layer using the second photoresist pattern(4a) having the silicon oxide layer(5a) as a mask.
Patent KR-20030056300-A (KR)
Title: An interface module for high speed router system
Inventor: LEE GANG BOK
IPC: H04L12/28
Filed: 2001-12-28
Abstract: PURPOSE: An ATM(Asynchronous Transfer Mode) interface device for a high-speed router system is provided to perform an interface with an ATM network which supports a transmission speed with 622Mbps, in an IP(Internet Protocol)-based high-speed router. CONSTITUTION: A physical layer interface unit(201) connects to an ATM network by an optical interface. Transmission/reception cell converting units(209,207) convert an ATM cell into an IP packet type, and convert data inputted as an IP packet type into an ATM cell type. Transmission/reception memories(208,202) store data in the cell conversion of the transmission/reception cell converting units(209,207). A network processor(204) analyzes and processes packet information, forwards processed packet information to an output port, and performs an interface with a switch. A memory(205) stores data when performing the packet processing and forwarding functions. Transmission/reception data bus converting units(213,203) convert a protocol between the network processor(204) and the transmission/reception cell converting units(209,207). A control bus converting unit(212) converts a serial bus into a parallel bus, between the network processor(204) and the physical layer interface unit(201). A host processor(206) manages resources of the entire line interface module of a high-speed router system.