baber/WOPTO huggingface dataset:
Patent KR-20010005084-A (KR)
Inventor: KIM JEONG HO
IPC: H01L21/31
Filed: 1999-06-30
Abstract: PURPOSE: A method for forming a gate insulating layer using alumina(Al2O3) is provided to prevent that an effective oxide layer thickness increases due to an oxidation of a substrate in O2 plasma processing for removing a carbon inside of Al2O3 gate insulating layer, and improve a leakage current characteristic by a crystallization of Al2O3 gate insulating layer CONSTITUTION: Alumina(Al2O3) layer(4) is deposited on a semiconductor substrate(1). N2/O2 plasma processing is performed about the Alumina(Al2O3) layer. Then, the alumina(Al2O3) layer is thermal-processed in N2O environment. The alumina(Al2O3) layer is deposited by using ALE(atom layer epitaxy) method using Al(CH3) and H2O. N2/O2 plasma processing prevents an oxidation of a semiconductor substrate, and effectively removes a carbon. The thermal processing in the N2O environment is performed to improve a leakage current characteristic through a crystallization of alumina(Al2O3).
Patent KR-20010008471-A (KR)
Inventor: LEE DONG UK
IPC: H02J9/06
Filed: 1999-07-01
Abstract: PURPOSE: A circuit for sensing high voltage in a ups is provided to decrease the number of parts and a wire harness by constructing a voltage sensing circuit with a resistance of high impedance without using a number of sensing transformers. CONSTITUTION: A number of serially connected resistances(R1-R3;R5-R7;R9-R11) are connected to cathode input terminals of OP amplifiers(IC1,IC2,IC3) according to three phases(R,S,T). A neutral line(N) is to an anode input terminal of the OP amplifiers(IC1,IC2,IC3) via a number of resistances(R13,R14,R15) connected in series. A part of outputs of the OP amplifiers(IC1,IC2,IC3) are feedbacked to the cathode input terminal of the OP amplifiers(IC1,IC2,IC3) via resistances(R4,R8,R12) and condensers(C1,C2,C3). Diodes(D1,D5;D2,D6;D3,D7;D4,D8) are mutually connected in parallel to be alternatively connected to the resistances(R2,R6,R10,R14) and the resistances(R3,R7,R11,R15).
Patent KR-20010008577-A (KR)
Inventor: CHOI BYEONG DAE
IPC: H01L21/336
Filed: 1999-07-02
Abstract: PURPOSE: A gate electrode formation method in semiconductor devices is provided to be capable of improving the characteristic of a transistor by compensating for damage of word lines and improving the profile by means of etching process. CONSTITUTION: A gate oxide film(20), a doped polysilicon layer(30) and a tungsten silicide layer(40) are sequentially formed on a substrate(10) and are then etched through a hard mask to pattern a gate electrode. Next, in order to compensate for the shock upon etching process and the shock to the substrate during the ion implantation process, they are loaded into a furnace while flowing inert gas. Then, the inert gas and oxygen gas are mixed to be increased to a certain temperature and is then oxidized. After oxidizing for a certain period of time, the atmosphere within the furnace is removed while flowing an excess inert gas upon cooling. Then, they are unloaded while flowing the excess inert gas.
Patent KR-20010008710-A (KR)
Inventor: CHOI CHANG BONG
IPC: F25C5/00
Filed: 1999-07-02
Abstract: PURPOSE: A damper device is provided to reliably prevent cold air leakage and reduce power consumption by employing a motor for allowing the baffle to open/shut off the entrance of dispenser duct. CONSTITUTION: A damper device comprises a baffle(22) for opening/shutting off a dispenser duct(20) for extracting ice cube; an operating link(26) one end of which is rotatably supported at an end of the dispenser duct and other end of which is connected to the baffle; a driving link(24) one end of which is rotatably connected to the intermediate portion of the operating link; a rotating disk(Mc) to which the other end of the driving link is connected to be rotatable at an eccentric position; and a synchronous motor(Msa) for rotating the rotating disk. The synchronous motor can be replaced by a stepping motor.
Patent KR-20010008732-A (KR)
Inventor: OH SEO HO
IPC: A47J37/06
Filed: 1999-07-02
Abstract: PURPOSE: A device for roasting meat is provided, which roasts the meat without burning, evenly, swiftly by making the meat held to a spit moved. CONSTITUTION: The device for roasting meat is characterized by being comprised of: a transporting chain(11) installed by a moving chain gear(12) and an idle chain gear(13); a part for holding meat(14) installed at the transporting chain(11); a motor(17a) for moving the moving chain gear(12); a container(15) for holding a heating device(20); and a container for collecting wastes(16) installed at the bottom of the main body.
Patent KR-20010008918-A (KR)
Inventor: BOK SEONG HAE
IPC: A01N63/00
Filed: 1999-07-06
Abstract: PURPOSE: A novel compound chaetoatrosin A inhibiting chitin synthease 2 is provided which has excellent and selective inhibition activities. Also, an antimycotic agent composition containing the same is provided which has excellent antibacterial activity against true fungi. CONSTITUTION: A novel compound chaetoatrosin A inhibiting chitin synthease 2 represented by the formula (1) is prepared by a Chaetomium atrobrunneum F449 strain(KCTC 0612 BP). A purification method of chaetoatrosin A from the culture of Chaetomium atrobrunneum F449 comprises the following steps: (i)obtaining crude extract by adding ethyl acetate to Chaetomium atrobrunneum F449 culture and by extracting; (ii)obtaining an active fraction by separating the crude extract with silica gel column chromatography which uses mixed liquid of chloroform-methanol as eluate; (ii)obtaining an active fraction by separating the active fraction in step(ii) with reverse phase silica gel column chromatography which uses mixed liquid of methanol-water as eluate; (iv)obtaining partially purified materials by separating the active fractions in step(iii) with sephadex LH-20 column chromatography which uses methanol as eluate; (v)separating pure chaetoatrosin A by separating and purifying the partially purified materials with preparative TLC.
Patent KR-20000011961-A (KR)
Inventor: MIYACHI KOICHI
IPC: G02F1/1333
Filed: 1999-07-24
Abstract: PURPOSE: A liquid crystal device is provided to suppress a declination around an end part of a pixel electrode. CONSTITUTION: The liquid crystal device comprises: a first substrate(20); a second substrate(30); and a liquid crystal layer(40) inserted between the first and second substrates(20, 30) and having a liquid crystal molecule(40a) therein, wherein the first substrate(20) comprises a first electrode opposing the liquid crystal layer(40), and the second substrate(30) comprises a second electrode opposing the liquid crystal layer(40); wherein the first electrode, the second electrode and a region of the liquid crystal layer defining a pixel region(100b), a voltage being applied to the region of the liquid crystal layer by the first and second electrodes; wherein the pixel region comprises a plurality of sub pixel regions wherein a liquid crystal molecule is arranged in an axis symmetry; and wherein at least one of the first and second electrodes has a plurality of holes regularly arranged on the pixel region.
Patent KR-20010019782-A (KR)
Title: Magnetic card
Inventor: CHOI HO UNG
IPC: G11B5/62
Filed: 1999-08-30
Abstract: PURPOSE: A magnetic card is provided which is excellent in dispersibility. And also curl of a final product isn't occurred, and coating property and printing property aren't reduced. CONSTITUTION: The magnetic card is characterized by using polyurethane being -30-0deg.C of glass transition temperature that substitutes 0.5-2.0mole in functional group of polyol with sulfonate(-SOO-M+), wherein, polyurethane is produced by using aromatic polyol or aliphatic polyol and methylenebis(4-phenylisocyanate), and 1,4-butanediol as a chain extender to be 5,000-20,000 of an average molecular weight.
Patent KR-20010026064-A (KR)
Inventor: KIM DONG YUN
IPC: H01L21/283
Filed: 1999-09-02
Abstract: PURPOSE: A method of forming a tungsten plug for a fabrication of a semiconductor device is provided to prevent the occurrence of residue or recess on an etched-back surface of the tungsten plug. CONSTITUTION: In the method, an insulating layer(12) is formed on a semiconductor substrate(10), and a contact hole(14) is formed in the insulating layer(12). Next, a titanium film(16) and a titanium nitride film(18) are sequentially formed as barrier metals on the entire surface. Thereafter, a tungsten film(20) is formed over the titanium nitride film(18) to sufficiently fill the contact hole(14). The tungsten film(20) is then subjected to an etch back process using a high density plasma apparatus and a mixed etchant gas containing a fluoride gas such as SF6 and a chlorine gas. Therefore, the tungsten film(20) is etched back to remain only in the contact hole(14). After that, an aluminum layer(22) is formed on the resultant entire surface.
Patent KR-20010026651-A (KR)
Inventor: KIM HAE GWANG
IPC: G06F17/30
Filed: 1999-09-08
Abstract: PURPOSE: A method and apparatus for searching 3D posture of human body is provided to achieve an accurate and rapid search by effectively expressing 3D posture through the use of small amount of data. CONSTITUTION: An apparatus comprises a posture descriptor extraction unit(10) for taking as an input a query 3D posture and extracting a posture descriptor by utilizing relations among each joint; a posture descriptor extracting unit(10') for extracting a posture descriptor of each posture of 3D models of human body; a posture database construction unit(20) for constructing posture database from posture descriptor data of 3D models of human body; a similarity comparing unit(30) for comparing the posture descriptor of query posture and posture descriptors of posture database; a 3D model database construction unit(40) for constructing 3D model database from 3D models of human body; a comparison result indexing unit(50) for taking as an input the comparison result of the similarity comparing unit and indexing postures stored in the posture database in accordance with the degree of similarity; and a comparison result output unit(60) for retrieving, from the 3D model database, 3D model corresponding to the posture stored in the posture database and ranked as the highest similarity, and outputting the retrieval result.
Patent KR-20010027072-A (KR)
Inventor: KIM CHANG SU
IPC: E05B49/00
Filed: 1999-09-10
Abstract: PURPOSE: An apparatus and method for supplying power of an electronic door lock are provided which applies primary current through a door frame and converts the primary current into secondary current through a transformer to supply power to a door locking device so as to establish indirect power provision. CONSTITUTION: The device(100) includes an AC power supply device for providing AC power, and a power relay(400) having two electric circuits respectively set at the wall(411) and door for inducing electromotive force from the voltage supplied by the AC power supply device to interface the power from the wall to the door. The power supply apparatus further has a charging unit for storing the power output from the power relay to provide the power to the door lock, and a controller for receiving the power from the charging unit to control elements constructing the door lock.
Patent KR-20010028866-A (KR)
Inventor: AHN SEUNG HO
IPC: C02F3/10
Filed: 1999-09-27
Abstract: PURPOSE: A waste water treatment equipment using an immersed separation membrane with suction vacuum removing function is provided, which can remove easily impurities attached on the surface of the separation membrane caused by air and water flow in an aeration tank, by reducing the suction vacuum established during operation at the time of shut down of a suction pump, so that the operating time of an immersion membrane can be extended and waste water treatment performance can be stabilized. CONSTITUTION: The system comprises the followings: (i) an aeration tank (4) for receiving waste water and treating it by aerobic condition; (ii) a separation membrane module (7) immersed in the aeration tank (4); (iii) an air diffusing pipe (6) installed beneath the separation membrane module (7) for supplying air to the separation membrane module (7); (iv) a suction pump (9) for discharging treated water to discharging device; (v) a by-pass (12) set parallel to the suction pump (9) for back flowing the treated water to separation membrane module (7); and (vi) a treated water damper (13) for temporarily storing the treated water.
Patent KR-20010036322-A (KR)
Inventor: KOO JI EON
IPC: H01L21/68
Filed: 1999-10-07
Abstract: PURPOSE: An apparatus for driving elevation of a wafer for semiconductor manufacturing equipment is provided to minimize the abrasion of an O-ring by using the stability of a shape memory alloy. CONSTITUTION: An apparatus for driving elevation of a wafer for semiconductor-manufacturing equipment comprises a lift(12) and a cylinder(20). The lift(12) moves a wafer(1) on a wafer stage(11) within a vacuum chamber(10). The cylinder(20) comprises a piston(21) for driving the lift(12). A plurality of spring(22,23) is installed within the cylinder(20). The springs(22,23) are formed with a shape memory alloy. The springs(22,23) support a bottom portion of the piston(21). The springs(22,23) are heated by applying an independent power to the springs(22,23). The springs(22,23) are composed of an expansion spring(22) and a contraction spring(23).
Patent KR-20010037885-A (KR)
Inventor: KANG SEUNG AN
IPC: A61K31/663
Filed: 1999-10-20
Abstract: PURPOSE: Provided is a process for preparing a pharmaceutical composition for the treatment of metabolic bone disease by mixing calcitriol having an effect on reducing the rate of spine fractures and increasing bone density in an optimum rate and adding an additive such as an absorption accelerating agent of alendronate. Therefore, the composition can inhibit hypercalcemia caused when administered by calcitriol alone, compensate the inhibitory activity of bone remodeling caused by alendronate due to the presence of calcitriol, and improve drug compliance associated with the usual difficulty in administration as well as a side effect in esophagus, thus effectively preventing the occurrence of osteoporosis. CONSTITUTION: This pharmaceutical composition for the treatment of metabolic bone disease including 1 parts by weight of calcitriol and 1,000 to 50,000 parts by weight of alendronate as an effective component is prepared by a process consisting of: obtaining calcitriol granules by mixing a mixture of calcitriol and ethanol with mannitol, adding ethanol, antioxidants and a binding agent and grinding; obtaining alendronate granules by mixing alendronate, mannitol and an absorption accelerating agent and grinding; and mixing the calcitriol and the alendronate and adding a disintegrating agent and a lubricator.
Patent KR-20000000459-A (KR)
Inventor: PARK BYUNG BEA
IPC: B28B1/10
Filed: 1999-10-25
Abstract: PURPOSE: A manufacturing method of a clay ball for water treatment is provided to obtain the improved purifying efficiency by smoothly flowing water when laminating clay balls in a purifying tub by making the clay balls almost spherical as well as equalizing the size of the clay balls and to improve the eliminating efficiency of sludge by the smooth flow of water. CONSTITUTION: The manufacturing method of a clay ball for water treatment has the steps of: mixing clay, water and silica at the ratio of 70-80%, 15-20% to 5-10% to improve the viscosity; molding a clay ball(105) with its shape spherical by passing the mixture through a couple of rollers(103) having plural hemispherical recessed grooves(104); and plasticizing the mixture in a calcining furnace at a temperature of about 900 to 1200°C for 5 to 10 minutes to prevent clay from turning soft when meeting water as well as to prevent the spherical clay ball from breaking by giving the intensity to the clay ball.
Patent KR-20010039177-A (KR)
Inventor: YOON JUN
IPC: G06F13/12
Filed: 1999-10-29
Abstract: PURPOSE: A direct control device is provided to directly control a card type flash memory without a help of a microcomputer so that it can enhance a data down/up speed. CONSTITUTION: The device comprises a USB port state/control signal processor(52), an SMC(Smart Media Card) controller(54), and a MMC(MultiMedia Card) controller(56). The USB port state/control signal processor(52) eliminates a bit stuffing from the data transmitted from a personal computer, corrects an error in the input data, extracts the data and generates control signals for the SMC controller(54) and the MMC controller(56). The SMC controller(54) and the MMC controller(56) generates control signals for the SMC and the MMC based on the control signals of the USB port state/control signal processor(52), and generates state signals expressing various states for example, an error occurrence, a read state, a write state or a stop signal and returns the state signals to the USB port state/control signal processor(52).
Patent KR-20010044915-A (KR)
Inventor: HWANG KWANG JIN
IPC: G06F15/00
Filed: 1999-11-01
Abstract: PURPOSE: An internet user certification method is provided to store a user's personal data at an agency site and use the ID and the password of the agency site in passing a certification process of an internet site so that it can simplify the certification process. CONSTITUTION: The method comprises steps of a user accessing an agency site and inputting personal profile data(1), the agency site transmitting an ID and a password corresponding to the input personal data(2), the user accessing general internet sites(3), the general internet sites transmitting an approval window to the user(4), the user inputting the ID and the password, transmitted from the agency site, at the approval window and transmitting them to the internet sites(5), and the user transmitting changed ID and password to the agency site in the case that the user wants changing the registered ID and password(6).
Patent KR-20010045994-A (KR)
Title: Chemical mechanical polishing apparatus having multiple polishing pads
Inventor: KWAK BYEONG HO
IPC: H01L21/302
Filed: 1999-11-09
Abstract: PURPOSE: A chemical mechanical polishing(CMP) apparatus having a plurality of polishing pads is provided to improve reliability of a CMP process, by simultaneously polishing a plurality of wafers by using the polishing pad while guaranteeing uniformity of the polishing process. CONSTITUTION: A plurality of polishing platens can rotate at a predetermined rate, disposed near each other and having the same horizontal level. A plurality of polishing pads(30a,30b,30c) are in contact with a wafer(42a,42b,42c) to polish a wafer, fixed to the upper portion of the polishing platens. A plurality of wafer transfer units moves the wafer over the polishing pads to uniformly polish the surface of the wafer while holding the wafer in contact with the polishing pad.
Patent KR-20000007038-A (KR)
Inventor: MIN IN SOON
IPC: D05B13/00
Filed: 1999-11-22
Abstract: PURPOSE: A bag is provided to easily sew a bag and a bush fabric, not to be bulgy in the middle, and for a content not to be leaking while containing a material. CONSTITUTION: A structure for a needle plate of a manufacturing device for a bag includes: a vent aperture(5) formed on an upper area of a needle aperture of the needle plate for a bush fabric to penetrate; a vent aperture(5') formed at the same location with the vent aperture on the needle plate on a pushing metal tool(2); a prominence and depression(6') in the central area shaped for having a relatively low height among prominence and depression units(6, 6', 6'') of a sending tooth(4) for the bag to be pushed easily; and a band inserting subsidiary tool(7) adhered in the front surface unit of a location for an insertion of the bag folding into halves for sewing a band without much labor.
Patent KR-20000035607-A (KR)
Inventor: BIJEI PACHHI
IPC: H02N13/00
Filed: 1999-11-22
Abstract: PURPOSE: A conduction polymer pad for supporting workpiece on the surface of a workpiece supporter of an electromagnetic chuck and method for manufacturing the polymer pad are provided for strong chucking force by way of a conduction stand-off pad supporting the a board. CONSTITUTION: A conduction polymer pad for supporting workpiece on the surface of a workpiece supporter of an electromagnetic chuck includes a surface for supporting workpiece, and a conduction polymer material layer(102). The conduction polymer material layer(102) is patterned and implemented on the surface for supporting workpiece. The conduction polymer material layer(102) has a resistance controlled to provide an electromagnetic chucking force by a Johnsen-Rahbek effect. The conduction polymer material layer(102) is further made of a conduction polyimide.
Patent KR-20000007097-A (KR)
Inventor: HAN NAM YONG
IPC: G09B29/00
Filed: 1999-11-25
Abstract: PURPOSE: A device is provided to obtain information associated with a specific area of each country existing on an earth. CONSTITUTION: The device comprises: a plurality of control switches; a world map divided into countries or specific areas and having light generators corresponding to the divided countries or specific areas, respectively; a voice recognition device for recognizing a voice inputted through a mike; an information conversion device for switching on a light generator in a corresponding switch and a light generator of a selected part in the world map and for searching a location in a memory device which stored voice information corresponding a voice recognition result or an operated switch; an output device for receiving information from the conversion device to approach to the memory device, wherein the output device reads corresponding data from the memory device to output multimedia information; a control device for controlling the devices, wherein the memory device stores both introduction information, which is varied according to a setting situation of a control switch, and character, voice and image data for each language associated with the specific area.
Patent KR-20010054015-A (KR)
Inventor: HWANG IK HYUN
IPC: E01C7/14
Filed: 1999-12-02
Abstract: PURPOSE: A patterning porous concrete paving method is provided to reduce working hours by using a stencil or pattern sheet on a porous concrete surface tamped by a roller, to express various colors and shapes without lowering stiffness, to have natural beauty, and to enlarge frictional force. CONSTITUTION: A patterning porous concrete paving method comprises the steps of: leveling a subgrade and paving a base course; forming a porous concrete layer by using a mixture composed of aggregate for general concrete, pulverulent waste concrete, slag, etc. as aggregate, then paving 1 cubic meter of the aggregate on the basis of the optimal compaction with a mixture by mixing 200-450 kilograms per a cubic meter of cement, 80-150 kilograms per a cubic meter of water and an admixture(a water reduction agent) in less than 2 percent of the amount of cement used and tamped by a roller; sprinkle 200 kilograms of water per 100 square meters of the porous concrete paved and installing a stencil; after mixing general cement or white cement, water, etc. at a certain ratio per a cubic meter of the aggregate on the basis of the optimal compaction, then sprinkling and finishing evenly; and removing the stencil and curing the surface.