baber/WOPTO huggingface dataset:
Patent KR-20000067062-A (KR)
Title: Non-powered waste treatment system
Inventor: SIN DONG GOOK
IPC: B08B13/00
Filed: 1999-04-22
Abstract: PURPOSE: A non-powered waste treatment system is provided to prevent green seaweeds by removing waste matter remaining in a dam or the bottom efficiently. CONSTITUTION: A non-powered waste treatment system is sunk in water completely or partially by bars on the four corners of a body(1). A plate(6), magnet bars(8) having a small diameter, another plate(6) and magnet bars(9) with a large diameter are arranged repetitively between upper/lower plates to keep a specific interval on the body(1). The two kinds of magnet bars(8,9) are arranged to push each other. A shaking with ultrasonic waves becomes stronger by magnet bars in each stainless pipe. Thus, waste matter on the bottom float upon the surface of water to be collected.
Patent KR-20000067346-A (KR)
Inventor: BAE WON IL
IPC: G11C29/00
Filed: 1999-04-27
Abstract: PURPOSE: A semiconductor memory device having a redundant low substitution structure is provided to enhance access time(access speed) without increasing a layout area, and has a redundant low substitution scheme of a sub word line structure. CONSTITUTION: A semiconductor memory device includes a sub word line structure(SWD), and includes a main word line decoder driver(160), address program circuit(220) and a redundant main word line decoder driver(260). When low address bit signals for indicating a main word lint are input, the main word line decoder driver drives a main word line corresponding to the low address bit signals without relation to a low redundancy. If the low address bit signals are identical with defective low address bit signals, the address program circuit generates a redundancy low selection signal. Accordingly, the activated main word line is inactivated, and a redundant main word line is activated. According to a redundant low substitution scheme, the access time can be reduced without increasing a layout area.
Patent KR-20000073434-A (KR)
Inventor: AHN HYO SEOK
IPC: H02P8/22
Filed: 1999-05-11
Abstract: PURPOSE: A system for controlling a step motor is provided to adjust an excitation force of a winding so as to minimize a step angle by modulating a pulse width of a control signal applied to a winding of the step motor. CONSTITUTION: A system for controlling a step motor comprises a high frequency generator(1) which generates a reference signal(C) to provide the reference signal to digital comparators(3,4) through a counter(2). An inverting counter(5) receives a step pulse signal(Clc) from a univibrator(12) to generate a periodic tooth waveform signal(A). A running state discriminating signal(Up/Dn) of a step motor is applied to the inverting counter(5). ROMs(6,7) receive the tooth waveform signal(A) of the inverting counter(5) to convert sine waveform signals(B1,B2), respectively.
Patent KR-20000011266-A (KR)
Inventor: KATODAKA UKI
IPC: F01B3/00
Filed: 1999-05-19
Abstract: PURPOSE: A cheap piston is provided to quickly and certainly fix a cylinder and a cork each other. CONSTITUTION: The piston is composed of:a front housing(11) and a rear housing(13) fixed to a cylinder block(12); a valve plate(14) placed between the cylinder block(12) and the rear housing(13); a crank chamber(15) partitioned by the inner wall of the front housing(11) and the front ending surface of the cylinder block(12); a driving shaft(16) supported to be able to revolve with the front housing(11) and the cylinder block(12), connected to an engine of a vehicle by a clutch device; and a rotor(19) fixed to the driving shaft(16) inside of the crank chamber(15).
Patent KR-20000074248-A (KR)
Inventor: KIM MYEONG JUN
IPC: G06Q20/28
Filed: 1999-05-19
Abstract: PURPOSE: A method for billing a charged money of an electronic card is provided to achieve billing dependent on the charged money of electronic cards charged through communication terminals by adding the charged money on communication service charges or through account transfer. CONSTITUTION: If an RF card is inserted into a terminal, the terminal dials up to a central center. The central center discriminates whether the terminal is a public telephone, a generic telephone, a mobile phone, a pager or a PC. The central center requests an RF number to the terminal and recognizes the RF number by a response from the terminal. The central center transmits a message to the terminal to recognize whether the charged money of the RF card will be paid through account transfer or added on communication service charges. If a user selects what charged money is added on communication service charges, the central center displays a KT card password input message through the terminal and authenticates the password of the KT card according to the user's input.
Patent KR-20010002138-A (KR)
Inventor: PARK BEOM SU
IPC: H05K7/14
Filed: 1999-06-11
Abstract: PURPOSE: An electronic system having a PCB(Printed Circuit Board) mounting mechanism is provided to set an electronic device at a screw coupling portion of a PCB. CONSTITUTION: A PCB(30) has a first hole(36) going through from a top surface(32) to a bottom surface(34) thereof. A housing includes a boss(14) having a screw hole(16a) and mounted correspondingly to the first hole(36). A supporter(80) is inserted into the first hole(36). The supporter(80) has a groove(84) into which a screw head(62) is inserted and a second hole(82) corresponding to the screw hole(16a) of the boss(14). The screw head(62) does not protrude above the PCB(30). The supporter(80) further includes a flange(86) which is extended from its top edge portion to the top surface of the PCB(30). The flange(86) is formed with a cut portion(86a) for preventing the supporter(80) from being rotated by the screw(60) when the screw(60) is fastened into the boss(14).
Patent KR-20000006168-A (KR)
Inventor: HAMEN PHILIP DIETRICH
IPC: C07D209/86
Filed: 1999-06-15
Abstract: PURPOSE: An effective purification method of carbozole ester precursor having high purity is provided which prepares the product being used as a medicine for animals by lowering the impurities, level in high yield. CONSTITUTION: (6-chloro-2-carbozolyl) methyl-maleic acid D(C1-C4 alkyl) ester is obtained by purifying more than one of impurities from the carbazole ester of the formula 1 by phase-separating using acetic acid as a solvent; among the formula, R3 and Rb has to be the same, and selected among a group consisted of C1-C6 alkyl.
Patent KR-20010003102-A (KR)
Inventor: OSAKA HISAO
IPC: H01L21/304
Filed: 1999-06-21
Abstract: PURPOSE: A method and an apparatus for cleaning a surface are provided to remove efficiently etching residues or pollutants from a surface of a flat plate such as a semiconductor wafer. CONSTITUTION: An aerosol(43A) is injected from an injection nozzle hole(43) of an aerosol injection nozzle(42) to an upper side of a relative movement direction of a cleaning object such as a wafer(10). The aerosol(43A) is injected through a nozzle hole(109) of an additional nozzle(108). A high-speed gas(109A) of high temperature or a heated high-speed gas(109A) is injected to a surface of the cleaning object. The aerosol(43A) is accelerated to the surface of the cleaning object by the high-speed gas(109A). The surface of the cleaning object is cleaned by using simultaneously a liquefaction effect or a vaporization effect due to the high temperature of the high-speed gas(109A).
Patent KR-20000052291-A (KR)
Title: Organic electroluminescent device
Inventor: ARAI MICHIO
IPC: H01L51/52
Filed: 1999-06-25
Abstract: PURPOSE: An organic electroluminescent(EL) device is provided to improve hole injection efficiency and light emitting efficiency at a lower operation voltage. CONSTITUTION: An organic EL device of the invention comprises a substrate(1), a hole injecting electrode(2), a hole injection conveying layer(4), more than one organic layers(5) interleaved between the electrodes of which at least one layer has a light emitting function, an inorganic hole injecting layer of high resistance(6) interleaved between the light emitting layer and the electron injecting electrode and an electron injecting electrode(3), stacked in reverse sequence. The inorganic electron injecting layer of high resistance contains more than one kinds of oxide having a work function below 4eV selected from alkaline metal, alkaline earths metal, and lanthanide as a first component and more than one kinds of metal having a work function of 3 to 5eV. The inorganic electron injecting layer performs blocking holes and has a continuity path for returning electrons.
Patent KR-20010004239-A (KR)
Inventor: AHN MYEONG GYU
IPC: H01L27/108
Filed: 1999-06-28
Abstract: PURPOSE: A method of fabricating a semiconductor memory device is to prevent a burying fail of a metal interconnection and a short-circuit between a capacitor and a metal interconnection due to a topology between a cell region and a periphery circuit region. CONSTITUTION: A method for manufacturing a semiconductor memory device comprises the steps of: forming a capacitor(63) at a cell region of a substrate with a predetermined lower layer formed thereon; forming an interlayer dielectric(62) on an upper portion of the whole substrate; forming a cell topology reduction mask on the interlayer dielectric, the mask being formed to cover a slope start point of the cell region; and wet etching the interlayer dielectric by using the mask as a barrier. The interlayer dielectric is a BPSG(borophospho silicate glass). The wet etching is performed by using a buffered oxide etchant or a HF solution. The interlayer dielectric includes the BPSG film and a protective film of 200-500 angstroms.
Patent KR-20010004488-A (KR)
Inventor: HAN SANG HO
IPC: C22C38/04
Filed: 1999-06-29
Abstract: PURPOSE: Prepared is a cold-rolled steel sheet with high formability that has remarkably improved baking hardenability as well as secondary working brittleness-resistance and press formability. CONSTITUTION: The cold rolled steel sheet comprises 0.0015-0.0025 wt.% of C; 0.8-1.2 wt.% of Mn; 0.08-0.1 wt.% of P; 0.006 wt.% or less of S; 0.003 wt.% or less of N; 0.06 wt.% or less of acidic Al; 0.01-0.016 wt.% of Ti; 0.007-0.013 wt.% of Nb; 0.001% or less of B; and the balance of Fe and other inevitable impurities, based on total 100 weight percent of product. Contents of such Ti, N and C are variable relative to each other according to a specific equation: ((48/14xN)≤Ti≤(48/14xN)+(48/12xCx0.6)). The alloy is manufactured by hot rolling a steel slab consisting of such components at 910 deg.C or more, winding the rolled product at 700 deg.C or more, cold rolling at 77% of draft rate after pickling line, and then annealing at a temperature range of 840 to 860 deg.C in continuous annealing furnace.
Patent KR-20010005245-A (KR)
Inventor: CHA JONG IN
IPC: B60K17/00
Filed: 1999-06-30
Abstract: PURPOSE: A propeller shaft absorbs an impact due to a power transmission without operating a clutch when starting forward or backward in a low speed step. CONSTITUTION: A propeller shaft comprises a first shaft(1), a second shaft(3), many elliptical grooves(5), many elliptical needle bearings(7) and an extension spring(9). The first shaft(1) is connected to a transmission. An inner circumference of the second shaft(3) inserted into an outer circumference of the first shaft(1) is connected to a driving shaft. The many elliptical grooves(5) are spaced apart from one another with equal angles on the outer circumference of the first shaft(1). The respective elliptical needle bearings(7) are inlaid between the many elliptical grooves(5) and the inner circumference of the second shaft(3), so as to interrupt a power between the first and the second shafts(1,3). The extension spring(9) connected between the many elliptical needle bearings(7) and the first shaft(1) provides the many elliptical needle bearings(7) with a release force.
Patent KR-20010017141-A (KR)
Inventor: SON GI BOK
IPC: H01J29/04
Filed: 1999-08-09
Abstract: PURPOSE: A cathode structure of a color cathode-ray tube is provided to minimize a locational variation of the cathode and a thermal variation, thereby realizing stable electron emission characteristic. CONSTITUTION: A cathode supporting tube(4) is buried in a crystallized glass(6) inside a hermetic cap(5). The crystallized glass forms a hole(6a) corresponding to an opening(4a) of the cathode supporting tube and is protruded from the top of the hermetic cap. The top end of the cathode supporting tube is buried in the crystallized glass having heat-resistance to minimize a vertical thermal variation. The crystallized glass is projected from the hermetic cap while forming the hole similar to the opening of the cathode supporting tube in order to smoothly emit electrons and protect a cathode(1). The top end of the cathode supporting tube can be widened to maximize the supporting force.
Patent KR-20010017872-A (KR)
Inventor: LEE JONG SEUNG
IPC: H01L21/82
Filed: 1999-08-16
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to prevent a neck-breaking phenomenon of a storage electrode, by reducing over-etch of an insulating layer in patterning a layer for forming the storage electrode. CONSTITUTION: The first insulating layer(152) is formed on a semiconductor substrate(150). The second insulating layer(154) of a PE-SiON material is formed on the first insulating layer in an atmosphere of SiH4, N2O and N2 gas. The second and first insulating layers are sequentially etched to expose a predetermined portion of the surface of the substrate, and a contact hole(156) is formed in the insulating layer. A polysilicon layer is formed on the entire resultant structure to sufficiently fill the inside of the contact hole. The polysilicon layer is selectively etched to form a storage electrode(158) by using an etching mask confining a storage electrode formation part.
Patent KR-20010018025-A (KR)
Inventor: HWANG JONG GIL
IPC: E05D15/50
Filed: 1999-08-17
Abstract: PURPOSE: A hinge for bidirectional opening and shutting of a door is provided to easily install without regard to surrounding structures or structures of wall bodies, to make alignment and arrangement of furniture or appliances easy and to effectively utilize a space. CONSTITUTION: A hinge for bidirectional opening and shutting of the door includes a doorframe member(10), a door member(20) and a connection member(30). The doorframe member, the door member and the connection member are in an elongated shape bent at both ends and are piled one above another. The doorframe member is fixed on a doorframe(100) and the door member is fixed on a door(200). The connection member has an end riveted to the door member with a pin(31) and the other end riveted to the doorframe member with another pin(32).
Patent KR-20010019263-A (KR)
Inventor: KIM JIN U
IPC: H01L27/115
Filed: 1999-08-26
Abstract: PURPOSE: A method for fabricating a non-volatile semiconductor memory device is provided to realize a formation of a floating gate having minute patterns. CONSTITUTION: A gate insulating layer(14) is grown in an active region of a silicon substrate(1), and a polysilicon layer(15) for a floating gate is stacked thereon. A nitride pattern(16) is then formed on a portion of the polysilicon layer(15) where the floating gate is not to be formed. Next, a nitride spacer(18) is formed on a sidewall of the nitride pattern(16), and an oxide layer(19) is then formed on a portion of the polysilicon layer(15) where the floating gate is to be formed. Here, the nitride spacer(18) is used as an oxidation mask during a formation of the oxide layer(19), preventing a lateral extension of a bird's beak of the oxide layer(19). Thereafter, the polysilicon layer(15) is etched by using the oxide layer(19) as an etch mask, so that a pattern of the floating gate is formed.
Patent KR-20010026019-A (KR)
Inventor: KIM HAENG SEON
IPC: G02F1/133
Filed: 1999-09-02
Abstract: PURPOSE: The liquid crystal display and method for driving the same are provided to reduce a power consumption and flicker by 1/3 by inverting polarity of a gradation voltage in a cycle of one pixel unit to minimize the difference of a charging level between respective pixels. CONSTITUTION: The method for driving a liquid crystal display generates RGB data, a source drive signal including the first control signals and gradation voltage, and a gate drive signal including the second control signals and a gate on/off voltage by a controller(110), a gradation generator(130) and a gate voltage generator(140) to apply them to source drive ICs(220) and gate drive ICs(210). The source drive ICs(220) received the source drive signal generate source signals to latch them by one line. The source drive ICs(220) also invert the polarity of the source signal latched in a cycle of one pixel unit consisted of three pixel electrodes and a red, green and blue color filter to apply them to an LCD panel. The gate drive ICs(210) received the gate drive signal generate gate signals to sequentially apply them to the LCD panel. The LCD panel displays given information using the source signal and the gate signal.
Patent KR-20010028374-A (KR)
Inventor: HUJISAWAKA ZUHIRO
IPC: A63F7/02
Filed: 1999-09-21
Abstract: PURPOSE: A floating article having an object in 3-dimensional cyber space is provided to display with actual feeling to derive great interesting at enjoying game such as pachinko, Japanese gambling game and reduce operation cost of the article. CONSTITUTION: The floating article, especially pachinko game apparatus comprises a control base, a floating part(2), an object(3) attached to the floating part, an upper supporting plate(4) at lower part of the floating part, a rotating handle(5) with a bead shooting device, a lower supporting plate(8), a display having a liquid-crystal monitor(6) to indicate changes of distinguishable patterns and minor patterns from a monitor screen(6a). The floating article is operated by varying the object in 3-dimensional cyber space according to the floating condition and displaying the variation state on the display device by means of an object memory device, an object arrangement device, an object rotating device, the image generation device and the display device.
Patent KR-20000023507-A (KR)
Title: Method of evaluating the defect rate of a product and system for evaluating the same
Inventor: SZUKI TATSUYA
IPC: G06F19/00
Filed: 1999-09-29
Abstract: PURPOSE: A method and system is to provide highly reliable evaluation in which the distortion of goods are fully assessed and easily change the structure by selecting the structure making the distortion. CONSTITUTION: A system and method comprises an output unit(2), a calculation unit(3), a memory unit(4), a distortion evaluation system(10), a structure system(20), a ROM(31), a CPU(32), a RAM(33), an input/output interface part(34), a bus line(35), and a distortion information(40). The distortion evaluation system(10) includes the keyboard, mouse, pen input tablet, memory medium, input unit(1), output unit(2), calculation unit(3), and the external memory unit(4). The calculation unit(3) includes the CPU(32), ROM(31), interface part(34) and the bus line(35). The structure system(20) includes two dimensional CAD system and three dimensional CAD dimensional for inputting the structure information.
Patent KR-20010035857-A (KR)
Inventor: SHIN HEON JONG
IPC: H01L21/8234
Filed: 1999-10-04
Abstract: PURPOSE: A semiconductor device is provided to prevent a gate oxide layer from deteriorated by plasma etching induced damage in a selective etching process of a polycrystalline silicon layer for a gate electrode. CONSTITUTION: A silicon substrate(100) has an active region(110) and a dummy active region(130). An ion implantation layer(140) is formed on the silicon substrate in the dummy active region to control oxidation of the silicon substrate in the dummy active region. The first gate oxide layer(400) of the first thickness is formed on the silicon substrate in the active region. The second gate oxide layer(410) of the second thickness thinner than the first thickness is formed on the silicon substrate in the dummy active region. The first gate(500) is formed in a predetermined region of the first gate oxide layer.
Patent KR-20000028834-A (KR)
Inventor: GANGER OTTMAR
IPC: H02K15/16
Filed: 1999-10-05
Abstract: PURPOSE: A method for assembling an electromotor is provided to make a smaller aperture by exactly arranging a stator for a rotor. CONSTITUTION: An aperture(38) is kept narrow to obtain the excellent efficiency of a motor. However, a component tolerance and an assembling error are desired larger to prevent the contact between a stator(34) and a rotor(32). Auxiliary centering tools(40,42) are introduced into at least three positions distributed on the circumference of the aperture between the rotor and the stator to improve the accuracy in assembling before or after the rotor and the stator are inserted into each other. Then, the rotor and the stator are fixed to designated positions, and the auxiliary centering tools fall out through a hole(48) formed on housings(20,30) of an electromotor(10).
Patent KR-20010036304-A (KR)
Inventor: CHO SEONG HO
IPC: G01L5/00
Filed: 1999-10-07
Abstract: PURPOSE: A damping device of a torque sensor for a car is provided to prevent a change of an assembly position due to vibration or shock transferred from the outside by elastically supporting a temperature compensation detecting coil assembly and a magnetic resistance detecting coil assembly. CONSTITUTION: A damping device of the torque sensor for the car includes an input shaft(10) connected to a steering handle side, a pinion shaft(11) connected to the input shaft(10) in a common axis through a torsion bar(12), first to third detecting rings(40,50,60) mounted on the periphery of a connected part between the pinion shaft and the input shaft, a sensor housing(20) surrounding the detecting rings and opened at upper and lower portions, a temperature compensation detecting coil assembly(21) mounted in the sensor housing and surrounding between the first and second detecting rings, a magnetic resistance detecting coil assembly(22) separated from the temperature compensation detecting coil assembly in a fixed interval and surrounding between the second and third detecting rings, and a rack housing(80) connected on a lower portion of the sensor housing and supporting the pinion shaft extending to the lower portion of the sensor housing.
Patent KR-20010037461-A (KR)
Inventor: LEE SEUNG JU
IPC: G01R1/067
Filed: 1999-10-18
Abstract: PURPOSE: A probe card for test of a semiconductor chip is provided not to leave a probing trace on a pad within the semiconductor chip upon test operation by placing a probe needle with a printed circuit film having a bump pattern and a probing pattern. CONSTITUTION: A printed circuit board(100) has a disc shape whose center part is opened. A plurality of Ag patterns(102) are formed along edge in upper surface of the printed circuit board. A print circuit film(104) is fixed on center of the upper surface of the printed circuit board to cover with the open part. A plurality of bump pattern(108) are formed along the edge in an upper surface of the printed circuit board, and is coupled with the Ag pattern electrically through the signal lines printed on the printed circuit board. A plurality of probing patterns(110) are formed on predetermined part in a lower surface of the printed circuit film and is coupled with the bump pattern electrically through the signal lines printed on the printed circuit film.