baber/WOPTO huggingface dataset:
Patent KR-20010003168-A (KR)
Inventor: YUN JONG SUN
IPC: A01G31/02
Filed: 1999-06-21
Abstract: PURPOSE: A bean sprout cultivator is provided to cut a head of bean sprout easily and to accomplish a rapid and easy package CONSTITUTION: A bean sprout cultivator is characterized by comprising the followings: (i)accumulatively equipping an auxiliary container(2), which is opened at top and bottom, at top of the main container(1); (ii) forming multiple drain holes(10,20) on the periphery of the main container(1) and the auxiliary container(2). The accumulated top container is raised according to growth of bean sprout and when the growth of bean sprout is completed, the auxiliary container is separated from the main container. Finally the head of bean sprout is exposed and is cut with scissors.
Patent KR-20010004415-A (KR)
Inventor: KWAK HEUNG SIK
IPC: H01L21/28
Filed: 1999-06-28
Abstract: PURPOSE: A method for forming a contact of a semiconductor device is provided to reduce a contact resistance when forming a contact between conductive wiring. CONSTITUTION: A method for forming a contact of a semiconductor device comprises the following steps. A word line of a polycide structure is formed with the first poly(13) and the first tungsten silicide(15). An insulating interlayer(17) is formed to flatten an upper portion of the word line. A contact hole(19) is formed to expose the first tungsten silicide(15). A bit line of a lamination polycide structure is connected with the word line through the word line. In the method, a rinsing process is performed after the contact hole is formed.
Patent KR-20000011362-A (KR)
Inventor: NAKAMURA KENICHI
IPC: C07C67/03
Filed: 1999-06-30
Abstract: PURPOSE: A method for preparing the alkylesters of acrylic or met acrylic acid is provided, which is continues, highly selective and prompt. CONSTITUTION: The alkylesters are prepared by the reaction represented by the scheme, wherein R¬1 represents a hydrogen atom or a methyl group, R¬2 represents an alkyl group of C1-C6, R¬3 represents an alkyl group of C2-C20 or a mono- or polyhydroxylalkyl group of C2-C20, and the boiling point of R¬2OH is higher than that of R¬3OH. The starting materials, an alkylester and an alcohol, as a liquid are injected to a continuous multistage distillation tower (1) through an introduction pipe (2) via a pre heater (3). The starting materials are contacted with a catalyst to produce an alkylester of a product and an alcohol of a by-product, in the distillation tower (1). The gaseous alcohol of a by-product is condensed to a liquid in a condenser (4), and the liquid alcohol is released through a pipe (7) in the upper part of the tower. The liquid containing the alkylester of a product and the catalyst is released through a pipe (6) in the bottom of the tower.
Patent KR-20000011405-A (KR)
Inventor: AIHARA KEN
IPC: C30B33/00
Filed: 1999-07-01
Abstract: PURPOSE: A rapid thermal annealer is provided to obtain a silicon substrate having the aimed oxygen precipitation characteristic not to control an oxygen concentration in the silicon substrate. CONSTITUTION: The method heat-treating the silicon substrate produced by a CZ method using a rapid thermal annealer comprises steps of: heating the silicon substrate under the nitrogen 100% and the oxygen 100% or of the mixing atmosphere of the oxygen and the nitrogen to the maximum holding temperature of the melting point of the silicon; maintaining over 5 seconds in the maximum holding temperature; rapidly cooling from the maximum holding temperature in a cooling speed over 8°C/sec. Thereby the substrate having the oxygen precipitation nucleus of amount corresponding to a specific device fabrication process is able to produced.
Patent KR-20010016682-A (KR)
Inventor: BAEK YOON SU
IPC: B25J7/00
Filed: 1999-08-02
Abstract: PURPOSE: A device for six-degree-of freedom positioning is provided to remove performance limit caused by the rub friction of a joint, the backlash of a decelerator, and the difficulty of nonlinear modeling via the magnetic levitation of a mobile part. CONSTITUTION: In a six degree of freedom positioning device, a mobile part(108) is separated from a drive part, and the mobile part is raised magnetically. Coaxial solenoids(101) are placed on a housing(109) around the mobile part in a triangular symmetric manner. Other perpendicular coaxial solenoids(101a) having a permanent magnet(103) for occurring planar movement by interaction with the solenoids of the housing, and other permanent magnets(104-106) for perpendicular movement of the mobile part are installed in a triangular form in the housing. Links(107) installed in the mobile part are for the connection of the permanent magnets and the formation of a six degree of freedom in the terminal of the mobile part. Herein, stability in a specific region around a balance point is secured without feedback of a sensor although a connection mechanism is not provided. Moreover, the performance of a device is maximized with a feedback sensor.
Patent KR-20010012002-A (KR)
Inventor: CHOI SEUNG KUK
IPC: H04L12/28
Filed: 1999-07-30
Abstract: PURPOSE: An apparatus for reproducing a clock necessary for an asynchronous transfer mode(ATM) terminal is provided to make a transmitting side use a control device for changing a dividing ratio 'N' value to reduce a jitter, so as to prevent deterioration of a color picture quality. CONSTITUTION: An apparatus for reproducing a clock uses a synchronous residual time stamp(SRTS) standard system in a terminal, when a digital signal is transmitted with an asynchronous transfer mode(ATM) system. A dividing ratio of an 'N' divider of a transmitting side is changed to a (N+1)/(N-1) divider, to reduce the size of a jitter generated in the apparatus. A small size of an SRTS jitter is generated, only when a frequency tolerance of a source clock is small.
Patent KR-20010019785-A (KR)
Inventor: CHO CHEOL HO
IPC: H04B1/38
Filed: 1999-08-30
Abstract: PURPOSE: An integrated earphone connecting apparatus of a mobile radiophone is provided to simultaneously perform functions of the mobile radiophone and portable sound equipment with a single earphone. CONSTITUTION: An integrated earphone connecting apparatus is formed with a connecting terminal(115) of a mobile radiophone side and a connecting terminal(145) of a portable sound equipment side for switching the connection of an integrated earphone and the mobile radiophone or a connection of the integrated earphone and the portable sound equipment. The first switch(231) switches a physical connection with the connecting terminal(115) of the mobile radiophone side or the connecting terminal(145) of the portable sound equipment. The second switch(229) inputs a calling sound or a telephone ring sound from a speaker terminal(211) as an output control signal, and outputs the calling sound or the telephone ring sound to a right terminal(223).
Patent KR-20010026492-A (KR)
Inventor: LIM CHUNG BIN
IPC: H01L23/02
Filed: 1999-09-07
Abstract: PURPOSE: A semiconductor COB package is provided to prevent the warpage of the package during a coating process. CONSTITUTION: The COB package includes a base film(11) made of plastic material. The base film(11) has a plurality of through holes(11a) peripherally formed therein. A semiconductor chip(12) is centrally attached onto a top surface of the base film(11) by an adhesive such as silver-epoxy, whereas a plurality of copper patterns(14) are formed on a bottom surface of the base film(11). The copper patterns(14) are electrically connected to chip pads on the chip(12) by metal wires(15). A resin(16) is coated over the top surface of the base film(11) to cover the chip(12) and the wires(15). In addition, a ceramic fiber(13) is formed in the inner part of the copper patterns(14) to improve the strength of the package and thereby to prevent the warpage of the package.
Patent KR-20010028013-A (KR)
Inventor: KIM GYU SEUNG
IPC: H02M7/49
Filed: 1999-09-17
Abstract: PURPOSE: A device of driving a cold cathode ray tube(CRT) employing a piezoelectric inverter is provided to drive multiple cold CRTs stably and keep the same luminance of all the CRTs with a single piezoelectric inverter. CONSTITUTION: In a device of driving a cold cathode ray tube(CRT), a choke coil(CL) extracts inductance element out of an input power supply. A resonance circuit(10) connected to the output of the choke coil(CL) produces a driving frequency. A piezoelectric transformer(20) produces a high-voltage AC source responding to the driving frequency. Multiple cold CRTs(30) are driven by the high-voltage AC source. A rectifying diode(D1) rectifies the tube current of the CRTs(30) by half-wave. A current detector(40) detects the half-wave rectified current from the rectifying diode(D1). An I/V converter(50) converts the detected current into voltage. An integrator(60) integrates the difference between the converted voltage and the input voltage(Vin). A V/F converter(70) keeps constant the tube current of the CRT(30) responding to the integrator(60). A MOSFET(Q1) switches to the frequency from the V/F converter(70).
Patent KR-20000028915-A (KR)
Inventor: ODERMAT PETER
IPC: B01D53/30
Filed: 1999-10-08
Abstract: PURPOSE: A sensor for detecting instant content of a plurality of gas ingredient is provided to rapidly and correctly record the rapid changes in an operation system of abnormal condition by sensing very rapidly due to a small size of chambers. CONSTITUTION: A first region senses instant content of O2. A second region senses instant content of NH3. A third region senses instant content of NO. O2, NH3, and NO are sensed at a substantially same position, at a same time, thereby enabling to sense the most important reactant of waste gas.
Patent KR-20000000268-A (KR)
Inventor: KIM DOO HYUN
IPC: B32B18/00
Filed: 1999-10-08
Abstract: PURPOSE: A wall paper or a floor cover using much far infrared radiation material powder is provided to eliminate the drying shrinkage, the crack and the exfoliation. CONSTITUTION: A wall paper or a floor manufacturing method comprises: a milling to make the 200 mesh passing rate to be 80% of the yellow earth or the illite after the swabbing of the organic matter by the ignition loss process at the temperature of 800°C -1000°C for about 15 minutes; a mixing of the pulp solution made up by mixing the water and the solved pulp with the processed low infrared radiative powder at a rate 5%-25%:75%-95% of pulp included in the pulp solution to the dry weight; agitating after adding one viscous fluid among hibiscus root viscous fluid, polyacrylamide or polyethylene oxide to the compound pulp solution of 0.12 wt%-0.25 wt% at a rate to the pulp solution; compressive dehydration and drying after straining the water+pulp+row infrared rays radiative powder+viscous fluid using a grass-pulp net of a grass-pulp apparatus.
Patent KR-20010037369-A (KR)
Inventor: LEE KEE BANG
IPC: G03B42/00
Filed: 1999-10-13
Abstract: PURPOSE: A single digital discharge light camera is provided to easily capture at any place by manufacturing the single digital discharge light capturing part and using a portable darkroom with a relatively low voltage. CONSTITUTION: A single digital discharge light camera includes a metal plate(4), a plastic insulating layer(3), a sponge(5) and adjusting units(6,7,8). The metal plate loads high voltage of 10kV or less uniformly inside a camera for a single digital discharge light photographing. The plastic insulating layer adjusts resolution of picture on the metal plate. The sponge is located under the metal plate and maintains an angle of 32°to 35°, which is formed between an exposure side film surface and finger. The adjusting units adjust a forward and backward movement of film imaged by high voltage discharge light.
Patent KR-20010037562-A (KR)
Inventor: MUN SEONG HAK
IPC: G09G3/292
Filed: 1999-10-18
Abstract: PURPOSE: A method for driving a plasma display panel(PDP) is provided to make the discharge characteristics of each sub field uniform, and to improve a contrast and a brightness of a screen. CONSTITUTION: One frame is driven by being divided into a number of sub fields(SF1-SF8) in order to realize a gray level of an image. According to the method for driving the PDP including a reset period initializing discharge cells at each sub field, an address period addressing the discharge cells and a sustain period sustaining the discharge of the addressed discharge cells, the reset period is allocated differently to each sub field. The reset period is reduced as goes from a start sub field to the last sub field in one frame, the reset period is reduced in a sub field group unit linearly. And, a pulse width of a reset pulse supplied to the reset period is controlled to control the reset period.
Patent KR-20010038761-A (KR)
Inventor: KIM JONG PIL
IPC: G06F11/273
Filed: 1999-10-27
Abstract: PURPOSE: A chip debugging circuit is provided to easily search chip errors during a process of developing the chips, and to develop a debugger for debugging an application embedded on the completed chips. CONSTITUTION: The circuit comprises a controller(100), a plurality of test data registers(300-1,2,3), and a clock generator(200). The controller(100) outputs control signals(HOLD, sel) and test clock signals(tck_1,2,3) based on an external control signal(CTL) and clock signal(TCK), and at the same time outputs a scan enable signal(SE) based on clock signals(fclk2, fclk3) from the clock generator(200). The test data registers(300-1,2,3) store test data(SIN), scans the test data(SIN) according to the scan enable signal(SE), and output the scanned test data in synchronization with clock signals(CLK1,2,3) from the clock generator(200). The clock generator(200) receives a system clock(sysCLK), and outputs the clock signals(fclk2, fclk3) for the controller(100) and the drive clocks(CLK1,2,3) for the test data registers(300-1,2,3) based on the system clock(sysCLK).
Patent KR-20010045102-A (KR)
Inventor: SEO TAE SIK
IPC: C03C17/38
Filed: 1999-11-02
Abstract: PURPOSE: A method for expressing gold leaf patterns on transparent glasses is provided which is characterized in that a cream material plastered on a part of the glass before coating colored epoxy resins is detachable so that it is possible to keep clean required for gold leaf-coated glasses. CONSTITUTION: The method comprises the steps of: spray-coating a transparent epoxy resin(2), thermal hardening resin, on a transparent glass(1); plastering a cream material(3) on one part of the above epoxy resin(2); spray-coating a colored epoxy resin on the other part that the cream material is not spread, and drying; removing the cream material to be a clean part(1'); screen-printing a pattern(5) on the glass with epoxy print ink; spreading gold leaf on the pattern.
Patent KR-20010046080-A (KR)
Title: Solenoid valve of modulator block for anti-lock brake system
Inventor: PARK GYEONG IL
IPC: B60T8/34
Filed: 1999-11-10
Abstract: PURPOSE: A solenoid valve improves installation structure thereof to improve coherence and air tightness thereof to prevent leakage of a valve engaging part. CONSTITUTION: More than one sealing grooves(41d) are formed around the outer surface of a valve housing(41) of a solenoid valve(40) to be filled with deformed part when the inlet part of a valve engaging groove(101) formed on a modulator block(100) is plastically deformed to fix the valve housing(41) while the valve housing(41) of the solenoid valve(40) is inserted into the valve engaging groove(101) formed on the modulator block(100). A catching protrusive(41c) is protrusively formed around the valve housing(41). A supporting protrusion(102) is formed to be caught by the catching protrusion(41c).
Patent KR-20010047588-A (KR)
Inventor: AELRISEUNILRIASIMYONOBICHI
IPC: B01D35/00
Filed: 1999-11-22
Abstract: PURPOSE: Disclosed is a gas scrubber for flue gas treatment, which is able to control the toxic gases and regenerate the filter. The toxic gas is adsorbed on the ion exchange filter material by using the gas scrubber and simultaneously the regeneration solution is recycled to regenerate the filter. CONSTITUTION: The scrubber system is mainly composed of a cation- and an anion- exchange filters having functional groups by an irradiation of radioactive beam or electronic beam on polyolefin and a self regeneration system. An ion exchange filter (4) prepared with non-woven fabric is used to operate under the low pressure drop condition (below 100 Pa). The regeneration solution storage (2) installed at the lower part of the filter (4) contains 3-4 % of sulfuric acid for a cation exchange filter and Na2O3 for an anion exchange filter. The solution flows into the filter system through a distributor (19) by a pump (9). After the ion exchange with the filter (4), the regeneration solution is recycled into the storage (2). A controller (8), a leveler (12), and an exhaust valve (13,14) are used to operate the system, smoothly.
Patent KR-20010035241-A (KR)
Inventor: EOM GEUM SU
IPC: B61F5/04
Filed: 1999-12-16
Abstract: PURPOSE: A side bearing of a bolster for a bogie of a railroad vehicle is provided to improve the damping efficiency of the vibration in the vertical direction of a car body and reduce yawing by separately forming elastic blocks and mounting an abrasion cap on the blocks. CONSTITUTION: A side bearing of a bolster includes a housing(22) integrally formed with first and second grooves(24,25) by an intermediate wall(26), a roller(30) secured in the first groove, two elastic blocks(24,26) disposed in the second groove facing each other, and an abrasion cap(50) laid on the top surfaces of the elastic blocks, wherein a space(27) is formed below the first groove, and the second groove is formed with the bottom lower at the center than the other part so that convex portions are symmetrically formed.
Patent KR-20010058123-A (KR)
Inventor: JUNG HUI GYEONG
IPC: G06F15/16
Filed: 1999-12-24
Abstract: PURPOSE: A SIP protocol server device is provided to enable an Internet user to receive various services of a PSTN by having a structure applied to various services, and by easily adding service logic. CONSTITUTION: A client interface module(44) receives a SIP message by an Internet SIP client. A PSTN interface module(40) transmits and receives the SIP message to/from a PSTN gateway, and connects the PSTN gateway to another gateway according to a form of a service. A SIP protocol module(46) processes the SIP message received through the interface modules. A service logic unit(48) performs a message transmission/reception procedure related the service using the SIP protocol module(46). A subscriber identification module(50) identifies whether a service request inputted from the Internet SIP client is a proper user's. A logging module(52) makes operation items of a system a database, and stores the database in a DBMS.
Patent KR-20010060815-A (KR)
Inventor: JUNG CHEOL MO
IPC: H01L21/304
Filed: 1999-12-28
Abstract: PURPOSE: A wafer rinsing apparatus is provided to prevent wafer damage and improve rinsing performance, by performing a collective rinsing process, with a plurality of wafers received in a cassette. CONSTITUTION: A vapor ammonia gas is stored in an ammonia container(2) that has a temperature adjusting unit. A cassette, in which a plurality of wafers are contained, is inserted in a rinsing container(1), which is connected to the ammonia container(2) through a supply line. A valve(20) is installed on the supply line so as to adjust an amount of supplied ammonia gas. Ammonia for rinsing the wafer is collected in a collection container(3), which is connected to the rinsing container(1) through a collection line(12). A purse line(11) is connected to the supply line(10), and a valve(24) is installed on the purse line(11). The ammonia of a vapor state collected in the collection container(3) are returned to the ammonia container(2) through a return line(13).
Patent KR-20010061216-A (KR)
Inventor: KIM SEOK JUN
IPC: F02D41/22
Filed: 1999-12-28
Abstract: PURPOSE: An air amount controlling method of a vehicle is provided to accurately predict the amount of air over the entire range by calculating the amount of air by using a throttle angle and an engine rpm when a suction air amount sensor is broken. CONSTITUTION: An air amount controlling method comprises the steps of: sensing a throttle angle and an engine rpm when a suction air amount sensor is broken(20); calculating a throttle limit and determining the amount of air(21); deciding if the throttle angle is less than the throttle limit or not(22); subtracting the determined amount of air from the throttle angle if the throttle angle is less than the throttle limit(23); and subtracting the determined amount of air from the throttle limit if the throttle angle is not less than the throttle limit(24). Therefore, the amount of air is predicted without errors over the entire range without mapping the amount of air with respective throttle angle and engine rpm ranges.
Patent KR-20010061392-A (KR)
Inventor: CHOI JONG UN
IPC: H01L27/115
Filed: 1999-12-28
Abstract: PURPOSE: A method for fabricating a flash memory cell is provided to prevent a low-current cell from occurring and to improve the operating speed by defining a polysilicon layer and a metal layer separately and using a poly-3 mask having the same width for all cell. CONSTITUTION: A floating gate(602) and a control gate(604) are formed on a substrate(601), and an inter-polysilicon insulating layer(606) is formed thereon. A polysilicon layer(607) is formed on the whole structure and patterned. After a titanium layer(608) is formed thereon, a titanium silicide layer is formed by annealing. The portion of the titanium layer(608) not reacting on the polysilicon layer(607) is removed, so that a word line on which the polysilicon layer(607) and the titanium silicide layer is deposited is formed.
Patent KR-20010061903-A (KR)
Inventor: SHIM HYO SEOB
IPC: B27N1/02
Filed: 1999-12-29
Abstract: PURPOSE: A sawdust-synthesized PVC raw materials, and an artificial wood using the materials and a production method thereof are provided to have same touch as wood, be lighter than wood, have an excellent processing property, be suitable for interior and exterior materials because of reduction of poisonous gas generation when firing and drive a nail easily. CONSTITUTION: A powdered PVC synthesized resin of 250-350 in mesh size and sawdust are mixed in the ratio of 10-60 to 90-40 to form the sawdust synthetic PVC raw materials. Artificial wood is made of sawdust synthetic PVC raw materials through hot molding. The production method comprises the steps of grinding sawdust to 250-350 in mesh size, coating sawdust powder with a cross-linking agent, mixing PVC synthetic resin powder with the coated sawdust powder at volume ratio of 10-60:90-40 and heating, extruding and injection molding the mixed powder.
Patent KR-20010058452-A (KR)
Inventor: JUNG SEUNG JO
IPC: H01L21/28
Filed: 1999-12-30
Abstract: PURPOSE: A method for manufacturing a semiconductor device with a self-aligned contact is provided to insulate safely a word line by forming a thick spacer edge around a bit line. CONSTITUTION: The first interlayer dielectric(102) is formed on a semiconductor substrate(100). A conductive line formation portion is opened by patterning the first interlayer dielectric(102). A spacer(104) is formed at a sidewall of the first interlayer dielectric(102). A conductive pattern(106) is formed on the opened substrate structure. A capping layer(108) is formed on the conductive pattern(106) by burying an insulating material into an opening portion of the first interlayer dielectric(102). The second interlayer dielectric(110) is formed on the first interlayer dielectric(102). A contact hole is formed within the second and the first interlayer dielectrics(110,102) by using a self-alined contact method. A contact electrode(114) is formed by burying the conductive material into the interlayer dielectrics(110,102).