baber/WOPTO huggingface dataset:
Patent KR-20030002050-A (KR)
Title: Cell structure of FeRAM and method of fabricating the same
Inventor: LEE SEUNG SEOK
IPC: H01L27/108
Filed: 2001-06-30
Abstract: PURPOSE: A cell structure of FeRAM(Ferroelectric Random Access Memory) and a method for manufacturing the same are provided to enhance a capacitance and to reduce a chip size without increasing total cell area. CONSTITUTION: The first interlayer dielectric(38) is formed on a substrate having a cell transistor. A contact hole is formed by selectively etching the first interlayer dielectric(38). The first plug(37) is formed in the contact hole to connect with a desired portion of the cell transistor. The first capacitor(44) is formed on the first plug(37) and the interlayer dielectric(38). After forming the second interlayer dielectric(46) on the resultant structure, a contact hole is formed to expose a desired portion of the cell transistor by selectively etching the second and first interlayer dielectric. The second plug(45) is filled into the contact hole. The second capacitor(52) is formed on the second plug(45) and the second interlayer dielectric(46). At the time, the second capacitor(52) is partially or entirely overlapped with the first capacitor(44).
Patent KR-20030002222-A (KR)
Title: Porous mineral media for wastewater treatment and manufacturing process of the same
Inventor: JUNG HEON SAENG
IPC: C02F3/10
Filed: 2001-06-30
Abstract: PURPOSE: A porous media for treating sewage and wastewater is provided which is capable of easily immobilizing and growing microorganisms to treat varieties of sewage and wastewater, and a manufacturing method of the porous media is provided. CONSTITUTION: The porous media for treating sewage and wastewater comprises 3 to 20 wt.% of clay, 3 to 25 wt.% of porous ceramic, 10 to 40 wt.% of fine silica, 3 to 20 wt.% of activated carbon, 1 to 5 wt.% of foaming agent, 0.5 to 2.5 wt.% of organic foam powder and 20 to 50 wt.% of inorganic binder, wherein the clay is one mineral selected from the group consisting of general clay, loess, pottery stone, white clay, agalmatolite, feldspar, kaolin and dolomite, the porous ceramic is one material selected from the group consisting of vermiculite heated and expanded, pearlite, zeolite, artificially manufactured porous glass and clay, the foaming agent is one material selected from the group consisting of polyoxyethylene phenyl ether, alcohol ethoxy amide sulfonate, air entraining agent used in cement industry, an air entraining and water reducing agent and aluminum powder, the organic foam powder is one powder selected from the group consisting of polystyrene foam powder, polyurethane foam powder and phenol foam powder, and the inorganic binder is one material selected from the group consisting of sodium silicate having a mole ratio of about 3.3, potassium silicate, silica sol, portland cement (KS class 1), special cement (KS classes 2 to 5) and blast furnace cement.
Patent KR-20030004648-A (KR)
Title: A portable Generator
Inventor: PARK YANG SEOK
IPC: H02N11/00
Filed: 2001-07-06
Abstract: PURPOSE: A potable thermo-electric generator is provided to improve the convenience of movement and carriage by minimizing the size and weight of a generator. CONSTITUTION: A heat-collecting unit(10) comprises an expanded opening unit(11) focusing a heat source and a heat wire for transferring high heat within the expanded opening unit(11). A converting unit(20) is provided with a thermo-electric module(21) converting the heat energy into the electric energy, an inserting groove(22) to which a jack or a plug for supplying the power is inserted, and a temperature detecting unit(23) detecting the temperature. A cooling unit(30) comprises a cooling water entrance and exit unit(31) for accommodating and exhausting a cooling water, a circuit(32) for circulating the cooling water, and a radiating unit(33) for radiating heat by air.
Patent KR-20030006113-A (KR)
Title: Automotive clutch system having a vibration damping device
Inventor: KIM SANG JIN
IPC: F16D23/12
Filed: 2001-07-11
Abstract: PURPOSE: A clutch system having a vibration-damping device for a vehicle is provided to improve safety in a travel by preventing the transmission of the vibration of a transmission to a clutch pedal via a vibration-damping device installed in the portion of a release cylinder. CONSTITUTION: A clutch system having a vibration-damping device includes a clutch pedal, a master cylinder, a release cylinder, a clutch body, and a vibration-damping device(20). The release cylinder is connected to the master cylinder via a hydraulic pipe(13) to operate a release fork by the hydraulic pressure of the oil delivered from the master cylinder. Since the oil flowing through the hydraulic pipe flows into a damping chamber(A) having a wide path, the pulsating waves of the oil is spread. Then, the vibrating energy is reduced firstly. The vibrating energy is secondly reduced when the oil flows into another damping chamber(C).
Patent KR-20020008793-A (KR)
Inventor: FUJITA SHIN
IPC: G09G3/36
Filed: 2001-07-23
Abstract: PURPOSE: A driving method of an electro-optical panel, an electro-optical device and an electronic apparatus are provided to improve the quality of image in changing the field frequency dynamically by outputting a control signal according to remaining time of voltage. CONSTITUTION: Control lines(4a) are arranged corresponding to scanning lines(3a) in the image display area. TFTs(Thin Film Transistor)(50,51), a pixel electrode(9a) and a storage capacitor(52) are arranged at the intersection of a data line(6a) and the scanning line. The TFT is turned on and off by applying a control signal through the control line. A timing signal generating circuit(300) activates the control signal SC when a field frequency is not higher than 60Hz, and deactivates the control signal SC when a field frequency is above 60Hz. The connection of the storage capacitor and the pixel electrode is controlled according to the control signal.
Patent KR-20030012568-A (KR)
Title: Reflection type liquid crystal display device
Inventor: KIM JIN BAEK
IPC: G02F1/1335
Filed: 2001-08-01
Abstract: PURPOSE: A reflective liquid crystal display device is provided to prevent moire and dark part from generating by improving the shape of light reflection patterns formed on a light guide plate. CONSTITUTION: A reflective liquid crystal display device includes a reflective liquid crystal display panel having pixel patterns arranged in matrix; a light source supplying light to the reflective liquid crystal display panel; a light guide plate including a light guide plate body having a first side(118d) for making light incident, second and third sides(118b,118a) adjacent to the first side, a fourth side(118c) facing the first side, light reflective surfaces(118e,118f) surrounded by the four sides, a light emitting surface facing the light reflective surface and emitting light, and first light reflection patterns(120a) formed on the light reflective surface and having first incline in counterclockwise direction from the first side, and extended from the second side to a regular point between the second side and the third side, and second light reflection patterns(120b) each having second incline in clockwise direction from the first side, and starting from the third side and connected with the first light reflection pattern.
Patent KR-20030013076-A (KR)
Title: Block for retaining wall and method of constructing retaining wall whereby
Inventor: JUNG SANG MUN
IPC: E02B3/12
Filed: 2001-08-07
Abstract: PURPOSE: A concrete block for a retaining wall is provided to enhance entire rigidity of a retaining wall and to improve appearance. CONSTITUTION: The concrete block for a retaining wall comprises a front wing(11) formed on the front of a retaining wall(100), an overlap wing(12) bent perpendicularly from one end of the front wing(11), and two overlap projections(13) projected outward from both ends of the overlap wing(12), wherein two overlap projections(13) function as a vertical passage(20) to reinforce a reinforced concrete column(120) between adjacent concrete blocks(10).
Patent KR-20030014912-A (KR)
Title: Apparatus and Method for downloading a program in a multitude of mobile phone
Inventor: KANG TAE SEOK
IPC: H04B1/00
Filed: 2001-08-13
Abstract: PURPOSE: A method and an apparatus for downloading a program to plural mobile communication terminals are provided to download the program transmitted from a host computer to a plurality of mobile communication terminals using a USB(Universal Serial Bus) cable. CONSTITUTION: A host computer(100) stores programs to be transmitted to a plurality of mobile communication terminals(400). A USB cable(300) transmits the programs from the host computer(100) to a plurality of mobile communication terminals(400) to correspond to each mobile communication terminal(400). The programs stored in the host computer(100) includes a firmware for a terminal operation stored a ROM of the mobile communication terminal(400) and an application program associated with a supplementary service provided through the mobile communication terminal(400). The host computer(400) has a USB host controller for transmitting the programs to the mobile communication terminals(400).
Patent KR-20010099027-A (KR)
Title: 이동통신단말기를 이용한 암기학습방법
Inventor: YANG BEOM JUN
IPC: H04W8/24
Filed: 2001-08-14
Abstract: 본 발명은 이동통신단말기를 이용한 암기학습방법에 관한 것이다. 특히, 인터넷 서비스가 제공이 되지 않은 지역에서도, 이동통신단말기를 이용하여 사용자가 일정하게 반복학습을 진행하는 암기학습방법에 관한것이다. 
     이를 위하여 사용자가 인터넷 상에서 학습할 정보가 카테고리별로 구분되어 저장된 카테고리별 학습정보 DB와, 사용자가 인터넷 상에서 학습한 정보중, 암기하고자 하는 정보가 저장되는 DB를 포함하는 각종 DB를 운영하는 서버를 구비하고, 사용자가 사전에 설정한 요일별로, 주기적으로 암기학습 정보를 이동통신단말기 상으로 전송하면, 상기 이동통신단말기에 구비된 학습전용 프로그램에 의해 사용자가 암기학습을 진행할 수 있도록, 포맷하여 암기학습이 진행되는 방법을 제공한다.
Patent KR-20030015593-A (KR)
Title: Method for Synthesis of Core-Shell type and Solid Solution type Metallic Alloy Nanoparticles via Transmetalation Reactions and Their Applications
Inventor: CHUN JIN U
IPC: B22F1/054
Filed: 2001-08-16
Abstract: PURPOSE: A method for synthesizing core-shell type metallic alloy nanoparticles having stable and uniformed size without additional use of reducer via transmetalation reactions or solid solution type metallic alloy nanoparticles having specific composition, and applications of the metallic alloy nanoparticles into various industrial fields are provided. CONSTITUTION: The method for synthesizing core-shell type metallic alloy nanoparticles comprises the processes of dissolving first metal of nanoparticles and a metallic precursor containing second metal having a higher reduction potential than the first metal into the selected organic solvents respectively after selecting appropriate organic solvents; and synthesizing the core-shell type metallic alloy nanoparticles via transmetalation reactions between the first and second metals by mixing each of the formed solutions. The method for synthesizing solid solution type metallic alloy nanoparticles comprises the processes of dissolving a metallic precursor A containing first metal and capable of thermal decomposition and a metallic precursor B containing second metal having a reduction potential different from that of the first metal into the selected organic solvents respectively after selecting appropriate organic solvents; and synthesizing the solid solution type metallic alloy nanoparticles via transmetalation reactions between the metallic precursors A and B by mixing the formed A solution with the formed B solution.
Patent KR-20030018321-A (KR)
Title: Method for preventing hot band of hot strip in twin-roll strip casting process
Inventor: CHOI JU TAE
IPC: B22D11/06
Filed: 2001-08-28
Abstract: PURPOSE: A method for preventing hot band of strip edge part is provided to improve shape quality and actual yield of strip by thinly controlling thickness of gas layer at a specific portion of the edge of the surface of casting rolls compared to that of the central part of the roll barrel to increase cooling capacity of both end parts of the rolls. CONSTITUTION: In a strip casting process using a twin roll strip caster comprising a pair of casting rolls which are rotated oppositely to each other, an edge dam installed on both sides of the casting rolls to form a molten steel pool, a meniscus shield for supplying inert nitrogen gas onto the upper surface of the molten steel pool, and a pair of gas knives and a pair of brush rolls installed in a width direction of the rolls, the method for preventing hot band of strip edge part using an apparatus for controlling thickness of gas layer of the edge part of the surface of rolls comprises the processes of checking whether hot band or bulging defects are generated or not by continuously photographing strip coming out of nip roll; and sucking and removing the gas layer at the edge part (We) on the surface of a concerned roll by being connected to generation of the defects so that a ratio (de/dc) of thickness of gas layer (de) at the surface edge part (fluid accumulation concentration part: We) of the roll to thickness of gas layer (dc) at the central part of the roll barrel is 1 or less.
Patent KR-20010088985-A (KR)
Inventor: LEE YEOUN SEOUNG
IPC: A47L9/18
Filed: 2001-08-30
Abstract: PURPOSE: A vacuum suction machine is provided to reduce cost by eliminating the necessity of arranging a dust collection bag and filtering net, and filter fine dust by allowing the air introduced through the air inlet port of the machine to contact water. CONSTITUTION: A vacuum suction machine is characterized in that a water container is installed above an air inlet port or behind a motor to filter fine dust as well as foreign substances with large particles. The vacuum suction machine rotates the water contained in the water container. When the water container is installed above the air inlet port of the machine, an air inlet pipe(3) for the passage and discharge of the air sucked at the air inlet port is appropriately disposed into water, in such a manner that the end of the air inlet pipe is not blocked by water. A protruded portion(2) is arranged to allow the smooth flow of water and prevent water drops from being splashed during the rotation of water.
Patent KR-20020020642-A (KR)
Title: Thermoplastic resin composition
Inventor: HOZUMI HIDETAKE
IPC: C08L23/08
Filed: 2001-09-03
Abstract: PURPOSE: A thermoplastic resin composition is provided, to improve the flexibility, the heat resistance, the formability and the recycling property and to allow it to be prepared without cross-linking process. CONSTITUTION: The thermoplastic resin composition comprises 5-95 wt.% of a thermoplastic resin having a melt flow rate of 0.001-100 g/10 min(measured at 230 deg.C and under the loading of 2.16 kg) and a die swell ratio of 1.7 or more; and 5-95 wt.% of an olefin copolymer satisfying the formula: Ua <= 1.5 x Sa x (Ta/100)¬3.3. In the formula, Ua is a flexural modulus (MPa) of a resin composition for evaluation(according to JIS K7203) composed of 50 parts by weight of the olefin polymer and 50 parts by weight of a specific homopolypropylene resin; Sa is a flexural modulus (MPa) of the homopolypropylene resin measured according to JIS K7203; and Ta is a content ratio (50 wt.%) of the homopolypropylene resin in the resin composition for evaluation. The specific homopolypropylene has a flexural modulus (Sa) of 1,400 ± 100 MPa measured according to JIS K7203, a melt flow rate of 12 ± 3 g/10 min measured at 230 deg.C and under the loading of 2.16 kg, and a peak position in crystal melting (melting point) of 162 ±2 deg.C measured by a differential scanning calorimeter according to JIS K7203.
Patent KR-20020020846-A (KR)
Inventor: FUJITA MASAHITO
IPC: B22D11/124
Filed: 2001-09-08
Abstract: PURPOSE: A method and an apparatus for continuous casting of aluminum bearing alloy are provided in which coarsening and segregation of the crystals can be prevented when the aluminum bearing alloy is continuously cast into the shape of a plate. CONSTITUTION: In a method of continuous casting of a molten aluminum bearing alloy in which a casting space(C) is defined between substantially parallel opposed portions of a pair of travelling endless belts(8,9) and the molten aluminum bearing alloy is supplied into the casting space(C) to be continuously cast into the shape of a plate, the method is characterized in that a cooling rate ΔT during solidification of the aluminum bearing alloy is controlled so that the cooling rate ΔT ranges between 3 and 6 deg.C/sec. where ΔT=(T-500)/t, T is a temperature when the casting of the aluminum bearing alloy starts, and t is a time in sec. between start of casting and the cooling time when the temperature of the aluminum bearing alloy decreases to 500 deg.C. The apparatus for continuously casting a molten aluminum bearing alloy into the shape of a plate comprises belt casting means including a pair of travelling endless belts(8,9) and a casting space(C) defined between substantially parallel opposed portions of a pair of travelling endless belts(8,9) and having two ends; molten metal supplying means for supplying molten aluminum bearing alloy into the casting space(C) from one end side of the casting space(C); cooling means for cooling, through a medium of the endless belts(8,9), the molten aluminum bearing alloy supplied into the casting space(C); and water-spraying means(22,23) for spraying water onto a cast plate from both sides thereof to cool the same, the cast plate being continuously cast in the casting space(C) and fed out of the other end side of the casting space(C) by the travelling of the belts(8,9).
Patent KR-20030021906-A (KR)
Inventor: CHOI HAN ME
IPC: H01L21/316
Filed: 2001-09-10
Abstract: PURPOSE: A Method for forming a tantalum pentoxide film and a dielectric film under an activated vapor containing oxygen is provided to improve a characteristic and throughput of the tantalum oxide layer by decreasing process time in an annealing process for oxygen vacancy after the tantalum oxide layer is deposited. CONSTITUTION: An amorphous tantalum oxide layer is formed on a substrate by using Ta source and O2 gas while the substrate is exposed to the activated vapor containing oxygen. An annealing process is performed on the amorphous tantalum oxide layer at a temperature lower than the crystallization temperature of Ta2O5 through an in-situ method.
Patent KR-20030022986-A (KR)
Inventor: PARK SANG O
IPC: F16C11/06
Filed: 2001-09-11
Abstract: PURPOSE: A ball joint structure for a vehicle is provided to reduce parts and processes of a ball joint assembly by integrally forming an insertion part with plastic bearings. CONSTITUTION: A hollow ball stud(10) has a center part formed in a ball shape. A pair of plastic bearings(20) is slidably adhered to an outer surface of the ball stud. A forged case(30) is mounted, covering the pair of plastic bearings adhered to the outer surface of the ball stud. A dust cover(50) is mounted, being inserted into both sides of the forged case. A press insertion part(40) is integrally formed with an outer diameter surface of the plastic bearings, so that the dust cover is inserted into and is mounted at the press insertion part by a swaging.
Patent KR-20030024325-A (KR)
Title: a copper plate supply system for motion picture film printing type
Inventor: OK SUNG IL
IPC: B41F17/00
Filed: 2001-09-18
Abstract: PURPOSE: A film pressing apparatus for a motion picture film printer is provided to obtain high definition characters by adjusting the depth of the character printed on the film in a convenient manner. CONSTITUTION: A film pressing apparatus comprises a fixing unit coupled to the rear portion of a work table through a hinge(41) in such a manner that the fixing board is rotatable, wherein the fixing board has a coupling groove(42) for insertion of a locking lever arranged at the front portion of the work table; an adjustment unit including an operating pipe(51) inserted into a guide groove(40a) penetrating through the fixing unit and supported by a spring(52), a support pipe(53) inserted into the operating pipe, a tightening nut screw-coupled to the top of the support pipe, and a rotating member(55) screw-coupled to the bottom of the operating pipe, wherein the adjustment unit has a height adjustable by the rotation of the rotating member and vertical movement of the operating pipe; a stopper(60) including a support piece(61) fitted to the upper portion of the support pipe and fixed through the tightening nut, and a fixing bolt(62) coupled to an elongated hole(61a) formed at the support piece so as to control the radius of gyration of the support piece and the operating pipe; and a support member(70) fixed at a lower flange(53a) of the support pipe.
Patent KR-20030031721-A (KR)
Title: Air conditioner driving belt for vehicle
Inventor: KIM YUN BIN
IPC: F16H7/08
Filed: 2001-10-16
Abstract: PURPOSE: A displacement restricting apparatus for a driving belt of an air conditioner compressor in a vehicle and a tension adjuster are provided to prevent the driving belt from being separated against vibration by operating the driving belt with a guide roller, and to compensate tension of the driving belt by moving upper and lower guide rollers through a screw shaft. CONSTITUTION: A displacement restricting and tension adjusting device of a driving belt(3) for an air conditioner compressor in a vehicle is composed of upper and lower guide rollers(4,5) restricting displacement of the driving belt by guiding up and down and supporting the driving belt; and a guide roller moving mechanism adjusting to move the guide roller to the other guide roller. Displacement of the driving belt is restricted against vibration by moving the driving belt in the guide rollers, and tension of the driving belt is adjusted with moving the guide rollers with a screw shaft(11).
Patent KR-20020031040-A (KR)
Title: Color filter substrate, manufacturing method of color filter substrate, active matrix type liquid crystal display, and manufacturing method of active matrix type liquid crystal display
Inventor: MATSUMOTO KIMIKAZU
IPC: G09F9/30
Filed: 2001-10-17
Abstract: PURPOSE: A color filter substrate, a manufacturing method of the color filter substrate, an active matrix type liquid crystal display, and a manufacturing method of the active matrix type liquid crystal display are provided to prevent irregularity of color, ghost images, and flickering due to long time use. CONSTITUTION: A color filter substrate is provided with a transparent substrate and color filters(13R,13G,13B) of three colors with a bored part provided at every pixel on the transparent substrate. Color filters neighboring to each other in one direction are connected to each other. A thin film transistor is to oppose to the bored part. Data lines are to be aligned along the one direction.