baber/WOPTO huggingface dataset:
Patent KR-20030002142-A (KR)
Title: Method for fabricating magnetic tunneling junction of magnetic random access memory
Inventor: YANG U SEOK
IPC: H01L27/10
Filed: 2001-06-30
Abstract: PURPOSE: A method for fabricating a magnetic tunneling junction(MTJ) layer of a magnetic random access memory(MRAM) device is provided to simplify a fabrication process and reduce cost by improving an operation characteristic while a short-circuit between electrodes is effectively avoided. CONSTITUTION: A lower magnetic electrode(34), an insulation layer(35) and an upper magnetic electrode(36) are sequentially formed on a substrate(30). The upper magnetic electrode, the insulation layer and the lower magnetic electrode are selectively etched to form the MTJ layer composed of the upper magnetic electrode, the insulation layer and the lower magnetic electrode. The byproduct attached to the sidewall of the MTJ layer is oxidized.
Patent KR-20030003500-A (KR)
Title: Compositions and preparation methods for bioavailable oral aceclofenac dosage forms
Inventor: KIM TAE WAN
IPC: A61K47/38
Filed: 2001-07-03
Abstract: PURPOSE: A process of preparing an oral pharmaceutical formulation containing aceclofenac as a kind of non-steroidal antiinflammatory drugs is provided. Whereby, the formulation is quickly disintegrated in the gastrointestinal tract, minimizes a gastrointestinal disorder and remarkably reduces a dosage thereof as compared to conventional formulations while improving solubility of poorly soluble drugs in the gastrointestinal tract and increasing bioavailability. CONSTITUTION: A mixture of 56 to 84 parts by weight of aceclofenac and 56 to 84 parts by weight of a surfactant is milled and added to 10 to 168 parts by weight of a polymer base selected from the group consisting of polyvinylpyrrolidone, methyl cellulose, ethyl cellulose, hydroxypropylmethylcellulose, carboxymethylcellulose, glycerol monostearate, carbomer and poloxamer.
Patent KR-20030008796-A (KR)
Title: Home Appliance Controlling System and Operating Method for the Same
Inventor: JUN DEOK GU
IPC: H04L29/08
Filed: 2001-07-20
Abstract: PURPOSE: A home appliance control system is provided to mount built-in communication modules for transceiving information between home appliances and a network on the home appliances, thereby integrately controlling the home appliances at a low cost. CONSTITUTION: A data processor(11) is built in a home appliance, and converts/processes transceiving information of network equipments and a main controller of the home appliance according to network equipment standards and main controller equipment standards. A data storage(12) stores a private IP address and a port number set in the home appliance according to the processed result of the data processor(11). An interface storage(13) stores a user interface proper to control and monitoring of a state of the home appliance having the private IP address stored in the data storage(12).
Patent KR-20030009678-A (KR)
Title: Backlash Preventing System of Gear
Inventor: LEE HYO DONG
IPC: H05K13/04
Filed: 2001-07-23
Abstract: PURPOSE: An apparatus is provided to prevent the backlash of a gear when a rotating direction of a gear changes by setting a rotating speed of a pulley faster than that of the gear. CONSTITUTION: A gear(20) is engaged with the first rotation center shaft(11) and the second rotation center shaft(12) to have a predetermined RPM(Revolutions Per Minute) ratio. The second rotation center shaft(12) is away from the first rotation center shaft(11) by a predetermined distance. A pulley(30) is installed at the first rotation center shaft(11) and the second rotation center shaft(12) to have a predetermined RPM ratio greater than the RPM ratio of the gear(20). The pulley(30) drives faster than the rotating speed of the gear(20). The first rotation center shaft(11) is connected to a motor. The first rotation center shaft(11) receives a rotary force generated by the motor and is rotated by a rotation of the first rotation center shaft(11).
Patent KR-20030009790-A (KR)
Title: Equipment for preventing particle back stream in semiconductor product device
Inventor: PARK BONG JIN
IPC: H01L21/02
Filed: 2001-07-24
Abstract: PURPOSE: An apparatus for preventing back stream of particles in semiconductor fabrication equipment is provided to prevent a back stream phenomenon of particles from a pump line into a chamber by intercepting a pump line before a vacuum control valve is closed. CONSTITUTION: A vacuum pump(40) is used for performing a pumping operation to form a vacuum state of a chamber(20). A vacuum control valve(22) is used for controlling a degree of vacuum of the chamber(20). A gate valve(38) is opened when the vacuum pump(40) perform the pumping operation. The first ball(26) is used for intercepting back stream of the first pump line(42). The first ball bracket(24) is formed on the first pump line(42) in order to intercept the first pump line(42). The second ball bracket(28) is formed on the first pump line(42) in order to receive the first ball(26). The second ball(32) is used for intercepting back stream of the second pump line(44). The third ball bracket(30) is formed on the second pump line(44) in order to intercept the second pump line(44). The fourth ball bracket(34) is formed on the second pump line(42) in order to receive the second ball(32).
Patent KR-20030012611-A (KR)
Inventor: LEE GANG JUN
IPC: H01L21/302
Filed: 2001-08-02
Abstract: PURPOSE: A wafer vacuum chuck of a semiconductor CMP(Chemical Mechanical Polishing) equipment is provided to prevent damage of a wafer in a wafer absorption process. CONSTITUTION: An arm(10a) is provided with at least one independent vacuum path(14a). A vacuum groove(12a) is formed on a desired portion of the top surface of the arm(10a) so that the groove(12a) is communicated with the vacuum path(14a) with a designated width and depth. At least one supporting protrude(16a) is formed on the bottom of the vacuum groove(12a) to be extended to the top surface of the arm(10a). A coating layer(18a) is deposited on the end portion of the arm(10a) including the supporting protrude(16a) such that the layer is in contact with the bottom surface of the wafer.
Patent KR-20010086423-A (KR)
Inventor: LEE SIN JAE
IPC: F02M43/00
Filed: 2001-08-03
Abstract: PURPOSE: A diesel engine is provided to rotate a crankshaft by the expansion force generated by the vaporization of water and to cool an engine by using the heat of vaporization. CONSTITUTION: In a diesel engine(10) alternately injecting water and fuel, an eight stroke cycle comprising an intake stroke, a compression stroke, a fuel explosion stroke, an exhaust stroke, an intake stroke, a compression stroke, a water explosion stroke and an exhaust stroke is performed per four times rotation of a crankshaft(7) in respective cylinders(1-4). A cam gear(95) engaged with a crank gear(71) on the crankshaft to rotate in a ratio of 4:1 is installed on an injection camshaft(9). Thus, water and fuel are alternately injected into the cylinders every cycle. Power is obtained by the explosion of the fuel and the expansion of the water. Therefore, the amount of the fossil fuel consumed for driving the diesel engine is reduced. Since power is obtained by the expansion of the power, combustion gas is not produced. The cylinders are kept clean by discharging the combustion contaminants stuck on the inner surface of the cylinders with steam.
Patent KR-20030016805-A (KR)
Title: A composition comprising waste ferric oxide for sound insulation materials and high density rubber, a method for preparing sound insulation materials and high density rubber and sound insulation material and high density rubber made thereby
Inventor: BAEK JONG HUN
IPC: C08L21/00
Filed: 2001-08-22
Abstract: PURPOSE: Provided are a composition for sound insulator and high specific gravity molded rubber containing waste iron oxide, a method for producing the sound insulator and high specific gravity molded rubber by using the same, and a sound insulator and high specific gravity molded rubber produced from the same. CONSTITUTION: The composition comprises 100-1200 parts by weight(based on 100 parts by weight of rubber) of waste iron oxide, 5-100 parts by weight of oil, 0.5-10 parts by weight of sulfur, 0.5-10 parts by weight of crosslinking agent, 1-20 parts by weight of zinc oxide, 1-20 parts by weight of stearic acid, and 0.5-10 parts by weight of releasing agent. The rubber is selected from the group consisting of natural rubber(NR), isoprene rubber(IR), styrene-butadiene rubber(SBR), acrylonitrilebutadiene rubber(NBR), butadiene rubber(BR), chloroprene rubber(CR), butyl rubber(BR), ethylene-propylene rubber(EPDM), silicon rubber, urethane rubber, and mixture thereof.
Patent KR-20020018014-A (KR)
Title: Pressing method, pressing mechanism and resin molding device
Inventor: HARADA AKIYUKI
IPC: B29C45/14
Filed: 2001-08-27
Abstract: PURPOSE: A pressing method, a pressing mechanism and a resin molding device are provided to alleviate the variation in the way of pressing an object, prevent the contamination due to the working fluid and downsize the pressing mechanism. CONSTITUTION: A pressing method includes the first step of displacing a sub-piston(10,15) provided within a sub-cylinder(4,13) from its initial position to press working fluid(1) such that the working fluid is introduced via a check valve(5) into a main cylinder(6) to displace a main piston(18) provided therein, and the second step of causing the sub-piston to return to the initial position such that the working fluid is supplied to the sub-cylinder. The first and second steps are repeated successively until the working fluid in the main cylinder attains a prescribed pressure level. With this method, variation in the way of pressing an object is alleviated, contamination due to the working fluid is prevented, and downsizing of the pressing mechanism is enabled.
Patent KR-20020046915-A (KR)
Inventor: ITATANI HIDEHARU
IPC: H01L27/108
Filed: 2001-09-14
Abstract: PURPOSE: To provide a method of producing semiconductor device by which the production cost can be reduced, and further, the device operation rate can be enhanced. CONSTITUTION: The method of producing semiconductor device contains a film deposition stage where an Ru-containing film is deposited on a substrate 1 in a reaction chamber 4 and a cleaning stage where gaseous ClF3 is flowed into the reaction chamber 4, and the film deposited on the inside of the reaction chamber 4 in the film deposition stage is removed by a thermochemical reaction.
Patent KR-20030024520-A (KR)
Title: a rank bar of a prop
Inventor: HONG SE YEUL
IPC: A01G17/14
Filed: 2001-09-19
Abstract: PURPOSE: A cross bar of a roadside tree supporter for supporting a roadside tree is provided which enables a transplanted roadside tree to easily take root on soil regardless of wind, reduces workload and can be reused. CONSTITUTION: The cross bar(7) of a roadside tree supporter is of generally triangular shape, binds a roadside tree(5) with a string or the like, is manufactured by injection molding synthetic resin and has three holes(1) for inserting props(3) which are driven into the ground.
Patent KR-20030028057-A (KR)
Title: Method for diagnosing of port states in key telephone system
Inventor: KIM SEONG HAN
IPC: H04Q1/20
Filed: 2001-09-27
Abstract: PURPOSE: A method for diagnosing a port status of a key telephone system is provided to monitor, diagnosis and then initialize a state of plural private lines and office lines by using a KTS(Key Telephone System) capable of performing an MMC(Man Machine Communication) with a main system. CONSTITUTION: A speech path unit forms a speech path in response to a speech path control signal. A private line subscriber unit(14) and an office line subscriber unit(16) are connected to the speech path unit. The private line subscriber unit(14) is connected to a plurality of private line subscriber terminals(STN1-STN3) and forms a speech path according to a predetermined control through the speech path unit. A control unit(18) operates a system according to respective ports and performs various controls by determining and analyzing states of speech progress. The control unit(18) diagnoses and maintains the system and performs an exchange function of programs and the MMC with the KTS connected to the private subscriber unit(14) of the MMC. A memory(20) stores information on private subscribers and data on a performance of various services. An SMDR(22) outputs a telephone call particulars of terminals(STN1-STN3) to a display device or a printer.
Patent KR-20020025793-A (KR)
Title: Memory device and memory access control method
Inventor: OKAUE TAKUMI
IPC: G06F21/60
Filed: 2001-09-28
Abstract: PURPOSE: A memory device and a memory access control method are provided to detect whether or not a designated area of the memory is in an initial state, and a controlling device for controlling access permission and prohibition for the designated area and other areas of the memory corresponding to a detected result of the detecting device. CONSTITUTION: The boot areas(13a and 13b) are areas that are initially read by the data processing device when the memory apparatus(10) is attached thereto. The boot areas(13a and 13b) are areas that are always readable. In addition, the memory(12) has a designated area(14). A memory area other than the boot areas(13a and 13b) and the designated area(14) is denoted by reference numeral(15). Data is written/read using the memory area(15). An access controlling portion(21) and a write register(22) are connected to the data line DIO of the control IC(11). The access controlling portion(21) controls the writing operation and reading operation for data to/from the memory(12). The access controlling portion(21) comprises a buffer memory and a register.
Patent KR-20030030340-A (KR)
Title: Cutting device for automatic treatment of food garbage
Inventor: HONG SEUNG BANG
IPC: E03C1/266
Filed: 2001-10-09
Abstract: PURPOSE: A cuter for food waste disposal is provided to maximize cutting force by cutting various food wastes completely and to minimize the propagation of germ and bad smells. CONSTITUTION: The cutter(100) for food waste disposal comprises: an inlet housing(110) connected to an outlet of a sink and coupled with a tube(114); a hood(120) coupled to the lower side of the inlet housing(110) to guide food waste and to prevent the counter flow of waste water; a cutting chamber(130) locating the food waste on the lower part of the hood(120); a motor(140) coupled vertically to the lower side of the cutting chamber(130) to locate a rotary shaft(142) on the middle of the cutting chamber(130); and a cutting assembly(150) formed by coupling a ring-shaped fixed cutter(153) downward to the cutting chamber(130), coupling a rotary disk(151) to a rotary shaft(142) of the motor(140), and fastening one or more rotary cutters(154) on the top of the rotary disk(151).
Patent KR-20030030707-A (KR)
Title: Revival Air cleaner, and the filter change equipment and the method for a car
Inventor: HEO JAE YOUNG
IPC: F02M35/02
Filed: 2001-10-12
Abstract: PURPOSE: A regenerative air cleaner for a motor vehicle, and an apparatus and a method for replacement of a filter are provided to allow for ease of replacement of filter, while reducing installation costs. CONSTITUTION: An air cleaner(30) for a motor vehicle comprises an inner cylinder(32) and an outer cylinder(34); a filter member(33) interposed between the inner cylinder and the outer cylinder; upper and lower covers(36) covering both ends of the inner cylinder and the outer cylinder; and synthetic resin plates(35) coupled between the top of the filter member accommodated in the inner cylinder and the outer cylinder and the upper cover, and between the bottom of the filter member and the lower cover. The synthetic resin plates are molten and solidified by the heat applied to the upper and lower covers, to thereby allow the inner and outer cylinders and upper and lower covers to be tightly coupled with each other.
Patent KR-20030031689-A (KR)
Title: Apparatus for gain flattening of optical amplifier
Inventor: KIM JI MYEONG
IPC: G02B6/10
Filed: 2001-10-15
Abstract: PURPOSE: A gain flattening device for an optical amplifier is provided to easily flatten the gain of an optical amplifier by patterning gratings on an optical waveguide by a voltage and adjusting the refractive index. CONSTITUTION: The gain flattening device comprises a photosensitive optical waveguide(23) applied to a core(14) of a photosensitive optical fiber to pass an optical signal. The gain flattening device also comprises electrodes(21) disposed in regular intervals along the optical waveguide(23). The electrodes(21) include a variable voltage source(22) for changing a potential applied to the optical waveguide(23) by providing a variable voltage to the electrodes(21), thereby changing the refractive index. The optical waveguide(23) is made of a photosensitive material LiNbO3.
Patent KR-20020034878-A (KR)
Inventor: YAMAMOTO YASUO
IPC: B60J3/02
Filed: 2001-10-25
Abstract: PURPOSE: To provide a sunvisor holder for an automobile constructed for securing a stable holding strength while reducing degradation of assembling workability and suppressing increase in the number of part items. CONSTITUTION: In this holder, a connection shaft part of a sunvisor main body is received on the inside of a hook part 7 and locked by a means of a freely retractable locking part 8, and the locking part is integrally molded in the main body member 9 provided with the hook part and made of synthetic resin, while on the back side of the locking part, a metallic spring member 10 energizing the locking part in the projecting direction is arranged. Especially, the spring member 10 is constructed of a coil spring, a pressing member 16 fitted on the inner circumference wall inside of a spring housing part 15 arranged on the back side of the locking part is arranged, an elastic locking piece 17 engaged on the circumference wall of the spring housing part is formed inside the pressing member, and projections 18 and 19 inserted and fitted in the central part of the spring member are arranged on the mutually opposed faces in the pressing member and the locking member.
Patent KR-20030034878-A (KR)
Title: Waste water treatment plant
Inventor: KIM HEUNG YEOL
IPC: C02F1/04
Filed: 2001-10-29
Abstract: PURPOSE: A direct heating type wastewater evaporation apparatus is provided, which can remove salt of concentrated wastewater to prevent any coagulation and clogging of the equipment thus enabling continuous operation and the thickened waste sludge is incinerated at combustion chamber for sludge reduction. CONSTITUTION: In a direct heating type wastewater evaporation apparatus including a thickening tank(10) for receiving pre-treated wastewater, a combustion chamber(20) installed at the top of the thickening tank(10) and equipped with a burner(22), a hot blast guide(24) for guiding flame or hot blast of the burner(22) to the inside of the thickening tank(10), an air discharge line(40) and a waste liquid discharge line(50), the apparatus comprises a salt separation tank(60) installed at the rear of the discharge pipe(50) for precipitating separated salt in wastewater; a storage tank(70) installed at the rear of the salt separation tank(60) for collecting salt separated waste liquid; a filtering equipment(80) for recovering salt from waste liquid discharged from the salt separation tank(60) and containing plenty of salt; a return pipe(72) for returning salt separated waste liquid from the storage tank(70) to the combustion chamber(20) to incinerate the liquid by spraying in the combustion chamber(20).
Patent KR-20030035049-A (KR)
Title: Apparatus and method of controlling power supplied to electronic apparatuses in accordance with user's quantity of exercise
Inventor: LEE HWAN HUI
IPC: H04N5/63
Filed: 2001-10-25
Abstract: PURPOSE: An apparatus and a method for controlling power supplied to electronic devices according to the quantity of exercise of a user are provided to allow the user to do regular exercise for a long time. CONSTITUTION: A power controller includes an exercise sensor(107) for sensing exercise information according to a user's exercise state, and an input unit(102) through which user's personal information for judging the exercise information is inputted. The power controller further includes a power supply(108) for supplying power to at least one electronic device or blocking power from being applied to the device, and a controller(101) for accepting the exercise information from the exercise sensor, comparing the exercise information with the user's personal information and controlling the power supply when the exercise information is suitable for the user's personal information to supply power to the electronic device. When the exercise information is not suitable for the user's personal information, the controller controls the power supply to cut the power supplied to the electronic device.
Patent KR-20030035260-A (KR)
Title: A cable having oil resistance and flame retardant
Inventor: LEE DONG HO
IPC: C08L31/04
Filed: 2001-10-30
Abstract: PURPOSE: A cable having the oil resistance and the flame retardancy is provided, which is improved in the durability to gasoline and the flame retardancy and is reduced in the flammability. CONSTITUTION: The cable comprises a conductive material(10); an insulating material(20) surrounding the conductive material; a bedding layer(30) surrounding the assembly of the insulating materials; a knitting layer(40) surrounding the bedding layer; and a sheath layer(50) surrounding the knitting layer. The sheath layer(50) comprises 100 parts by weight a resin comprising 85-100 wt% of an ethylene vinyl acetate resin and 0-15 wt% of an ethylene vinyl acetate resin having a polar group; 60-150 parts by weight of a hydrated metal compound; 0.5-5 parts by weight of a lubricant and a processing aid; 0.5-5 parts by weight of an antioxidizing agent; 5-40 parts by weight of a flame retardant aid and a reinforcement; 0.5-10 parts by weight of a coupling agent; 0.5-8 parts by weight of a crosslinking aid; and 3-10 parts by weight of a crosslinking agent.
Patent KR-20030037393-A (KR)
Title: Electro Luminescence Panel
Inventor: BAE SEONG JUN
IPC: H01L27/32
Filed: 2001-11-03
Abstract: PURPOSE: An electro-luminescence display panel is provided to reduce a kickback effect by using a gate line of a previous stage to maximize the capacity of a storage capacitor. CONSTITUTION: A plurality of gate lines(GLn-1,GLn) and a plurality of data lines(DL) cross each other. A plurality of electro-luminescence cells(OLED) are formed at intersections between the gate lines(GLn-1,GLn) and the data lines(DL). An electro-luminescence cell driving circuit(36) is used for driving the electro-luminescence cells(OLED). The electro-luminescence cell driving circuit is formed with a power supply unit, the first PMOS TFT(T1), the second PMOS TFT(T2), and the first capacitor(Cst). The power supply unit supplies the power to the electro-luminescence cells(OLED). The first PMOS TFT(T1) is connected between the power supply unit and the electro-luminescence cells(OLED). The second PMOS TFT(T2) is connected between the data lines(DL) and a gate electrode of the first PMOS TFT(T1). The first capacitor(Cst) is connected between the gate electrode of the first PMOS TFT(T1) and the gate line of the previous stage.
Patent KR-20020035751-A (KR)
Inventor: BAL MATTHIEU FREDERIC
IPC: G02B17/06
Filed: 2001-11-05
Abstract: PURPOSE: A mirror system used in a lithography apparatus is provided to start with a paraxial approximation of a mirror system using matrix formalism. CONSTITUTION: A lithographic projection apparatus comprises: a radiation system for providing a projection beam of radiation; a support structure for supporting patterning means, the patterning means serving to pattern the projection beam according to a desired pattern; a substrate table for holding a substrate; a projection system for projecting the patterned beam onto a target portion of the substrate, wherein the projection system has precisely four imaging mirrors in the optical path of the projection beam and has an incidence angle classification, C, of 2(-), 6(-), or 9(-).