baber/WOPTO huggingface dataset:
Patent KR-20020008615-A (KR)
Title: Method for forming metal line of semiconductor devices
Inventor: SIM SANG CHEOL
IPC: H01L21/768
Filed: 2000-07-24
Abstract: PURPOSE: A method for forming a metal line layer of a semiconductor device is provided to prevent the generation of a compound of TiF4 or AlF3 reduce a resistance of via contact in a process for forming a metal line layer. CONSTITUTION: The first barrier metal layer(25), a metal film(26), and the first and the second ARC metal layers(27,28) are deposited on an insulating layer(23) of a semiconductor substrate(21). The first metal line layer is formed by patterning the first and the second ARC metal layers(27,28), the metal film(26), and the first barrier metal layer(25). An interlayer dielectric(29) is formed on the insulating layer(23). A via hole is formed by etching selectively the interlayer dielectric(29). The second ARC metal layer(28) is removed from an inside of the via hole by etching the second ARC metal layer(28). The second barrier metal layer(31) is deposited on the interlayer dielectric(29). A plug metal layer(32) is filled into the via hole. A via is formed by removing the second barrier metal layer(31) and the plug metal layer(32). The first barrier metal layer(33), the metal film(34), and the ARC metal layer(35) are deposited on the interlayer dielectric(29). The second metal line layer is formed by patterning the ARC metal layer(35), the metal film(34), and the first barrier metal layer(33).
Patent KR-20020014107-A (KR)
Title: Housing for radiotelephone with inputting unit
Inventor: YEO YEONG JU
IPC: H04B1/38
Filed: 2000-08-16
Abstract: PURPOSE: A housing of a terminal having an input unit is provided to facilitate inputting of a data for an Internet communication and a picture communication, primarily protect a terminal and carry it by installing a plurality of input units in the terminal. CONSTITUTION: A main body housing(10) includes a receiving unit(110). The first and second covers(102,104) are rotated to be opened and closed centering around a hinge shaft at both sides of the main body housing(10). The first input unit(106) is positioned at an upper end(100a) of the main body housing(10). The second input unit(108) is opened and closed in a drawer manner by being connected to the first cover(102) by means of a hinge unit(H1). The first input unit(106) is formed as a touch screen. The touch screen(106) is constructed with a touch sensitive panel and an LCD. The second input unit(108) can be a key board unit, a key pad or a touch screen. The first cover(102) is mechanically connected to a key board unit(108) by the first hinge unit(H1). A key board tray(108a) includes a plurality of arranged keys(108b), which can be substituted by a key pad or a touch screen. A rubber portion(102a) is provided at an upper end of the first cover(102) to facilitate opening and closing. A signal outputted from the key board unit(108) is transmitted to an RF unit of a main board by using a bluetooth.
Patent KR-20010021415-A (KR)
Title: Asymmetric ink emitting orifices for improved inkjet drop formation
Inventor: MEZ ROBERT C
IPC: B41J2/135
Filed: 2000-08-25
Abstract: PURPOSE: Print head for an ink-jet printer and method of manufacturing the same are provided to reduce a spray and improve an ink drop traces by using an orifice which is formed in an asymmetrical sandglass shape. CONSTITUTION: An orifice plate includes an orifice which is extended from the first surface opposite to an ink ejector to the second surface substantially parallel to the first surface. The orifice has a hole(803) on the second surface. The hole(803) comprises boundaries which are intersected for defining the outer periphery of the hole(803). The first boundary is a segment(807) which has the first radius(rc) and the first center(805). The second boundary is a segment(813) which has the second radius(rH1) and the second center(815). The third boundary is a segment(809) which has the first radius(rc) and the first center(805). And, the fourth boundary is a segment(811) which has the third radius(rH2) and the third center(819). An acute angle between the first line from the first center to the second center and the second line from the first center to the third center is in the range of 0 degree to 20 degree.
Patent KR-20010050442-A (KR)
Title: Photosensitive resin composition
Inventor: BABA KOJI
IPC: G03F7/00
Filed: 2000-09-14
Abstract: PURPOSE: To provide a photosensitive resin composition having improved light resistance and a photosensitive resin composition which improves the light resistance of a color filter, enhances the reliability of the filter and produces a color filter excellent in color characteristics by using a specified resin as a binder. CONSTITUTION: The photosensitive resin compositions contain a resin binder, a photopolymerizable monomer, a photopolymerization initiator and a coloring material. The resin binder has such light absorption characteristics as to satisfy the relation of OD365/OD400 > 30 (where OD365 is the optical density of a film of the resin binder having 1 μm thickness at 365 nm wavelength and OD400 is the optical density of the film at 400 nm wavelength). A resin having a benzotriazole skeleton may be used as the resin binder.
Patent KR-20000072588-A (KR)
Inventor: KIM TAE SUCK
IPC: G03B25/00
Filed: 2000-09-14
Abstract: PURPOSE: An advertising system is provided to achieve an improved effectiveness of advertising with a reduced cost. CONSTITUTION: A moving picture frame is installed at a wall of subway tunnel, in such a manner that the moving picture is automatically lighted on and off in accordance with the sensed result of an infrared ray sensor. An infrared ray generator is installed at a lower end of a moving vehicle body, and the infrared ray sensor is installed at a lower end of an advertising panel attached onto the wall of subway tunnel. A controller connects or cuts off current in accordance with the sensed result of the sensor, so as to control turning on or off of the lighting device arranged at a rear surface of the advertising panel. Thus, passengers enjoy images of advertising panel through the window of the moving vehicle.
Patent KR-20000072659-A (KR)
Inventor: KEE SEUNG CHEOL
IPC: G06F3/14
Filed: 2000-09-18
Abstract: PURPOSE: An apparatus and a method for displaying a plurality of character icons displayed in icon types with respect to characters displayed next of http://www which is a home page address in web browser connecting with home page in internet and address display line on display screen of pc communication emulator are provided for increasing the number of domains and providing an economical profit to world internet users. CONSTITUTION: A plurality of character ions(8) stored in a sequence of a http://www. characters are arranged in an address display line(1). In the web browser or PC communication emulator program according to the present invention, an internet user selects and clicks a certain character icon(8) arranged in the address display line(1) of the display screen(A).
Patent KR-20000072695-A (KR)
Inventor: CHO HAN GYUL
IPC: G06F17/00
Filed: 2000-09-20
Abstract: PURPOSE: An information providing service using an internet cafe management program is provided for enhancing a reliability with respect to an information provider of an internet cafe owner and increasing a profit obtained by selling products to a PC cafe owner by an information provider. CONSTITUTION: A server computer used by an internet cafe owner is installed in the internet cafe for controlling client personal computers used by a customer. A management program is installed in the server computer for managing the client computers. The server computer management program is connected using the client computer management program installed in the client computer and the internal network for thereby performing a management.
Patent KR-20010007846-A (KR)
Inventor: AHN YOO HYUNG
IPC: A43B7/32
Filed: 2000-10-07
Abstract: PURPOSE: Provided is an elastic shoe having an improved impact adsorbability, which includes a sole part having an elastic member and drum type plate springs. CONSTITUTION: The elastic shoe comprises the elastic member(20) located on an out sole(10), two of the drum type plate springs(30) located in the two spaces(21) on the elastic member(20), a mid sole(40) and an in sole(50) located on the elastic member(20), wherein the drum type plate spring(30) is fabricated by coupling protrusions of one semicircle type plate spring and holes of the other semicircle type plate spring.
Patent KR-20020028243-A (KR)
Title: Apparatus and method for user weight sensing using running machine driving current
Inventor: HWANG JONG HAK
IPC: A63B24/00
Filed: 2000-10-09
Abstract: PURPOSE: An apparatus and a method for detecting the weight of a user by using the driving electric current of a running machine are provided to enable the user to directly confirm the weight during exercise, and to accurately calculate the amount of exercise and calorie on the basis of the weight of the user. CONSTITUTION: In a running machine comprising an AC power source(1), an electric current commutating part(2), a switching part(3), a speed detection part(5), a display part(6), a key input part(7), an error detecting part(8), and a power cutoff part(9), for detecting the weight of a user by using the driving electric current of the running machine, a motor rotation detecting part(11) for detecting the fine rotation of the motor to send a motor rotating signal to a controller(10) is additionally provided, and the control part calculates the weight of the user on the basis of the amount of electric current when a motor rotation pulse width is detected.
Patent KR-20010040100-A (KR)
Title: Semiconductor storage device having four-transistor memory cells
Inventor: NIKAIDO HIROFUMI
IPC: H01L27/11
Filed: 2000-10-17
Abstract: PURPOSE: To provide a semiconductor memory which can reduce an occupied area and improve its operation speed. CONSTITUTION: In a first memory cell 10, access transistor Tr11, an access transistor Tr12, driver transistor Tr13, and driver transistor Tr14 are disposed in this order along its longitudinal direction. The source/drain diffused layers of the transistors Tr11 to Tr14, all extend along the width of the cell with an even width. Namely, the diffused layers are not bent at any parts. A gate polysilicon layer G11 is formed which constitutes the gate electrodes of the access transistors Tr11 and Tr12. The gate polysilicon layer G11 extends along the length of the cell. The gate polysilicon layer G11 is shared by a second memory cell, which is adjacent to the cell along its length.
Patent KR-20020030435-A (KR)
Title: Cooling apparatus and method for gas turbine nozzle using nitrogen in an Integrated gasification combined cycle
Inventor: SEO SEOK BIN
IPC: F02C7/12
Filed: 2000-10-17
Abstract: PURPOSE: A gas turbine expander nozzle cooling apparatus of a coal gasification complex generating system and a method thereof are provided to cool a nozzle of a gas turbine expander, and to improve the output and the efficiency of the gas turbine by separating oxygen from nitrogen and compressing and supplying nitrogen to the gas turbine expander. CONSTITUTION: A nozzle cooling device of a coal gasification generating system is composed of an oxygen separator(7), a nitrogen compressor(15), a gasifier(10), a gas purifier(13), a compressor(2), a gas turbine burner(3), a gas turbine expander(4), and a nozzle cooling compressed air supply valve(2'') between the compressor and the gas turbine expander. The nitrogen compressor is placed at the side of the oxygen separator. Coal and oxygen are supplied to the gasifier, and coal gas is refined through the gas purifier. Refined coal gas is supplied to the gas turbine burner, and oxygen is separated from nitrogen in the oxygen separator. The nozzle of the gas turbine expander is cooled with supplying compressed nitrogen to the gas turbine expander.
Patent KR-20020030487-A (KR)
Title: Fabrication Method for Liquid Crystal Display Panel
Inventor: KIM UNG GWON
IPC: G02F1/136
Filed: 2000-10-18
Abstract: PURPOSE: A method of fabricating an LCD panel is provided to form a plating layer on an Al or Al-series single gate pad, to reduce a contact resistance of the plating layer connected with a driving circuit of the LCD panel. CONSTITUTION: Gate wires, a gate electrode, and a gate pad(203) are formed on a substrate(201). A gate insulating layer(204) is formed in front of the substrate(201). A semiconductor layer is formed on the gate insulating layer(204). A data wire and a data pad are formed on the gate insulating layer(204). Source/drain electrodes are formed on the semiconductor layer to form a thin film transistor. A protecting layer(208) is formed on a front side including the source/drain electrodes. The drain electrode, the gate pad(203), and the data pad are exposed. A plating layer(209) is formed on the exposed gate pad(203). A transparent plating layer(210) connected to the gate pad(203) and the data pad is formed.
Patent KR-20020030980-A (KR)
Title: Cubic function generation circuit
Inventor: KIM CHANG HYEON
IPC: H03B5/12
Filed: 2000-10-20
Abstract: PURPOSE: A circuit for generating a three-dimensional curve is provided to form and supply forward or backward three-dimensional current by utilizing a simple circuit structure. CONSTITUTION: The first current source(41) provides the first current(I1). The first current(I1) is varied to a three-dimensional curve by a variation of temperature. The second current source(42) provides the second current(I2). The second current(I2) is varied to the three-dimensional curve by the variation of temperature. The second current(I2) is varied to a direction opposite to the first current(I1). The third current source(43) provides constantly the third current(Iss) independently of the variation of temperature. The fourth current source(44) provides constantly the fourth current(Iss/2) independently of the variation of temperature. The first resistance(45) is connected between the first current source(41) and a ground. The second resistance(46) is connected between the second current source(41) and the ground. The first differential amplifier(47) is formed with the first and the second transistors(M1,M2). The second differential amplifier(48) is formed with the fifth transistor(M5) and the sixth transistor(M6).
Patent KR-20020033220-A (KR)
Title: A method of msspring communication for optical communication system
Inventor: HONG SEONG UNG
IPC: H04L12/42
Filed: 2000-10-30
Abstract: PURPOSE: An MSSPRING(Multiplex Section Shared Protection RING) communication method in an optical communication equipment is provided to improve the efficiency of channel use by transmitting data through the shortest path and transmitting the data through the longest path in case that a trouble is generated from the shortest path. CONSTITUTION: If data to be transmitted are generated(S100), an add node analyzes the first 4 bits among a K1 over head byte and judges whether an alarm by a trouble is generated from an appointed path, the shortest path to a destination node(S110). In case that any trouble has not been generated from the appointed path, the add node transmits the data through the shortest path to the drop node(S120). In case that an alarm signal is recorded in the first 4 bits of the K1 byte as a trouble has been generated from the appointed path, the add node outputs identical data cells to the appointed path, or the shortest path, and a detour path, or the longest path, at the same time(S150). The drop node respectively receives the identical data cells through the east port connected with the detour path and the west port connected with the appointed path(S160) and analyzes each traffic quality or state(S170). The drop node receives the data cell inputted through the longest path which shows better traffic quality(S180).
Patent KR-20020034473-A (KR)
Title: Servo valve for enhancing the capacity of transferring signal
Inventor: PARK BONG GEUN
IPC: F16K13/00
Filed: 2000-11-02
Abstract: PURPOSE: A servo valve having much stabled dynamic characteristic is provided to respond to operation of a main valve exactly and promptly and to make stable control performed by making the space in the main spool keep constant pressure. CONSTITUTION: A servo valve having much stabled dynamic characteristic is equipped with a pressure balancing mechanism(10) constantly keeping set pressure of a hydraulic supply line(160) of the main valve(120) and prompt movement of the main valve spool(122) is secured. The balancing mechanism forms a hollow cylinder shaped-chamber(5) to the hydraulic supply line of the main valve and has a balancing spool(8) movable right and left in the hollow cylinder shaped-chamber. The balancing spool closes the hydraulic supply line of the main valve and maintains constant pressure. If the main supply pressure is maintained over the set pressure, the spool moved to open the flow channel of the hydraulic supply line of the main valve and the pressure of the hydraulic supply line moves the main valve spool, and oil and pressure is supplied to the main valve.
Patent KR-20020036173-A (KR)
Title: Method for manufacturing semiconductor memory device
Inventor: KIM TAE HEON
IPC: H01L21/28
Filed: 2000-11-08
Abstract: PURPOSE: A method for fabricating a semiconductor memory device is provided to easily separate a node of a landing plug and to prevent a dishing phenomenon generated by a chemical mechanical polishing(CMP) process, by forming the landing plug between bit lines or conductive lines on a surface having a step through two photolithography processes and two etch processes. CONSTITUTION: A line including a plurality of conductive layers is formed on a semiconductor substrate(50) where a plurality of active regions are defined. A conductive layer for the landing plug(64a) is formed on the semiconductor substrate where the line including the conductive layer is formed. The conductive layer for the landing plug is patterned to several line types to be perpendicular to the line including the conductive layer. The remaining conductive layer for the landing plug is patterned again to a line type including the conductive layer so that the landing plug is formed in a space of the line including the conductive layer.
Patent KR-20010008166-A (KR)
Inventor: NAM JAE GUK
IPC: H04B1/59
Filed: 2000-11-13
Abstract: PURPOSE: An apparatus for realizing transmitting and receiving function is provided to improve quality degradation owing to radar fading occurring in forward and reverse directions by giving diversity function to a relay. CONSTITUTION: The apparatus comprises the first and second receiving antennas(6,7). A signal received through the first antenna(6) passes through a bandwidth filter duplexer and is amplified by a low noise amplifier(LNA). The amplified signal is converted into an intermediate frequency signal in a signal processing part(12), and the converted signal is filtered by an SAW filter. The filtered signal is converted into a carrier frequency signal, and is amplified by a high output amplifier(13). The amplified signal is re-transferred through an antenna(9). A signal received through the second antenna(7) is amplified by a low noise amplifier(11), and is delayed by a delay element(12). The delayed signal is vector mixed with the signal received through the first antenna, and is re-transferred through the antenna(9) after the filtering and amplifying processes.
Patent KR-20020037846-A (KR)
Title: Dynamic vibration absorber for disk drive
Inventor: LEE YEONG WON
IPC: G11B25/04
Filed: 2000-11-15
Abstract: PURPOSE: A vibration absorbing device of a disk drive is provided to be arranged in a deck plate, so as to effectively reduce the vibration by a resonant frequency of the deck plate upon rotating a disk. The device provides to stabilize dynamic features of the disk and deck plate, for easy operation of an optical pickup and servo control. CONSTITUTION: A deck plate(20) is movably installed in an accepting part(11) of a deck base(10). Supports(12) are located in the deck base on positions corresponding predetermined supporting points for supporting the deck plate. A damping member(15) is arranged in the supporting points to prevent an external shock from being delivered to the deck plated through the deck base. A spindle motor(53) and an optical pickup(55) are installed on the deck plate. A turntable(51) in which a disk(D) is loaded is installed in a rotative axis of the spindle motor to be rotated together. The optical pickup is movable in a radial direction of the disk loaded on the turntable, and information is recorded and regenerated by irradiating light to the disk, wherein the disk is accepted inside a housing(1) while being inserted in a disk tray and clamped by a clamper(57) installed in an upper and internal part of the housing then loaded on the turntable. A mass(30) reduces resonance generated by a resonant frequency of the deck plate when the disk is rotated, through the interaction with a connecting member(40).
Patent KR-20010016161-A (KR)
Title: A portable blower
Inventor: EOM JUNG WOOK
IPC: A01D34/00
Filed: 2000-11-16
Abstract: PURPOSE: Portable blower is provided which excludes a separate motor to drive a blower and a power supply source to drive the motor so that it enables users to carry the blower for supplying air or gas to a subject. CONSTITUTION: The portable blower comprises the parts of: a power transmission part which transmits rotation power of a driving axis to a slave axis(23); a blower(40) which includes a rotation vehicle inside a casing to be bound with a bracket(30) and to enable the slave axis of the power transmission part to be inserted into the rotation axis of the rotation vehicle; an inlet pipe(10a) which inflows air inside the blower through an air cleaner(10) fixed at a working pole(7); a blowing hose(50) which includes an insulating socket(51) in a blowing hole of the blower; and a fixed band(52) which fixes the entrance side of the subject for air to be injected in the insulating socket of the blowing hose.
Patent KR-20020041075-A (KR)
Title: Measuring apparatus for biological data of waste water in aeration tank
Inventor: KANG GWANG WON
IPC: C02F3/02
Filed: 2000-11-27
Abstract: PURPOSE: A measuring apparatus for biological data of wastewater in aeration tank is provided, which has a cone shaped transparent mess cylinder, a united sensor and digital camera, a transmitter, an A/D converter and a computer so as to measure biological data mechanically by injecting wastewater to the mess cylinder. CONSTITUTION: The apparatus comprises: a pipe(11) for recycled water which has a solenoid valve(11a) and an ejector(11b) set orderly from the inlet part to the outflow part; a conical mess cylinder(20) which receives wastewater that is injected from an aeration tank with an inlet part(20b) passing through a suction pipe(31) and solenoid valve(31a); a drainage pipe(24) which has a solenoid valve(24a) connected with the ejector; a vent pipe(22) which has a solenoid valve(22a); a washing pipe(25) which has a solenoid valve(25a), ejector(25b), T-shaped reducer(25c) and a washing nozzle(25d); a sensor(23) which is connected with the reducer; a unified meter which has a sensor(23a) that is union of a pH meter, DO meter and a thermometer; a washing nozzle(23b); a NaOH solution case(29) which is connected with the ejector of the washing pipe by a pipe; a shading box which encloses the mess cylinder and has an electric bulb(41) and digital camera(42); a computer which controls the tools and solenoid valve by taking the measuring signal from the unified meter and digital camera with transmitter(43) and A/D converter(45).