baber/WOPTO huggingface dataset:
Patent KR-20030090828-A (KR)
Title: Thin film transistor array panels and manufacturing methods thereof
Inventor: CHO BEOM SEOK
IPC: G02F1/136
Filed: 2002-05-22
Abstract: PURPOSE: A thin film transistor substrate and a method for manufacturing the same are provided to etch metal and amorphous silicon layers in the same chamber by forming data wiring only by a wet etching. CONSTITUTION: Tungsten is deposited on a transparent insulating substrate(110) and is patterned by a photo etching to form gate wiring(121,123,125). A gate insulating layer(140) is formed on the gate wiring. Amorphous silicon layers(151,153) and resistant contact layers(161,163,165) are formed on the gate insulating layer. Data wiring formed of tungsten is formed on the resistant contact layers and the gate insulating layer. A passivation layer(180) is formed on the data wiring, including contact holes(181,182,183,184). Pixel electrodes(190) are formed on the passivation layer, and electrically connected with drain electrodes(175) through the contact holes.
Patent KR-20030024554-A (KR)
Title: Process variable identification method, process variable identification apparatus, and evaluation sample
Inventor: MASUDA HIROO
IPC: H01L21/82
Filed: 2002-05-30
Abstract: PURPOSE: To measure a material constant and a structure constant of an interlayer insulating film precisely. CONSTITUTION: A multilayer interconnect structure includes a first interconnect layer, a second interconnect layer in which a plurality of pitch wires having a width W are disposed with pitches P, a third interconnect layer, and a plurality of interlayer insulating layers for insulating the first to third interconnect layers from one another. This method comprises the step (S101, S102) of calculating interlayer capacitance from a process variable including a structure constant and a material constant of each interlayer insulating film in this multilayer interconnect structure, the step (S103, S104) of modeling a relation by using the process variable as a variable and the interlayer capacitance as a response variable from the relation between the obtained interlayer capacitance and the process variable, the step (S106) of creating a plurality of multilayer interconnect structures with different widths and pitches of the pitch wires and measuring interlayer capacitances from the created multilayer interconnect structures, and the step (S107) identifying the process variable of the actually formed multilayer interconnect structure from the measured interlayer capacitances based on the modeled relation.
Patent KR-20030092632-A (KR)
Title: Cell reselection method for radio communication network
Inventor: CHOI YUN SEOK
IPC: H04W52/00
Filed: 2002-05-30
Abstract: PURPOSE: A method for re-selecting a cell in a wireless communication network is provided to enable a host system to easily decide the most proper cell in consideration of a current cell planning or terminal specification, and to decide the most proper cell for a terminal performing current cell re-selection, thereby reducing time for re-selecting the cell. CONSTITUTION: A terminal measures receiving sensitivity of peripheral cells for a current camping cell, and transmits the measured receiving sensitivity to a host system. The host system decides the most proper cell for the terminal, and transmits information on the most proper cell to the terminal. The terminal performs a cell re-selection process for the cell decided in the host system.
Patent KR-20030001275-A (KR)
Inventor: KASAGI TSUKASA
IPC: F25B30/06
Filed: 2002-06-21
Abstract: PURPOSE: A multiform gas heat pump type air conditioning system is provided to improve evaporation and condensation capabilities considerably varied to the operation state of an indoor unit by gradually changing the evaporation and condensation capabilities of an outdoor heat exchanger according to divided numbers of the outdoor heat exchanger. CONSTITUTION: A multiform gas heat pump type air conditioning system(1) is composed of a plurality of indoor units(10) provided with an indoor heat exchanger to perform a heat exchange between air in a room and refrigerants, an outdoor unit(30) having a compressor(31) driven by a gas engine(GE) and an outdoor heat exchanger(32) for performing a heat exchange between outside air and the refrigerants, and a split flow control unit(20) for controlling a flow direction of the refrigerants for each indoor unit and for performing a selection switching between cooling and heating operations. The outdoor heat exchanger, which switches selection between cooling and heating operations, is divided into a plurality of units, which are connected in parallel and a refrigerant supply switching device controls the refrigerant flow in each of the divided portions of the outdoor heat exchanger.
Patent KR-20040001505-A (KR)
Title: Method for forming trench in semiconductor device
Inventor: RYU SANG UK
IPC: H01L21/76
Filed: 2002-06-28
Abstract: PURPOSE: A method for forming a trench of a semiconductor device is provided to be capable of preventing the generation of a micro-trench. CONSTITUTION: The first mask having the first opening portion, is formed at the upper portion of a semiconductor substrate(100a). An ion implantation process is carried out at the resultant structure by using the first mask. After sequentially forming the first and second pad layer(300a,400a) at the upper portion of the resultant structure, the second mask having the second opening portion, is formed at the upper portion of the second pad layer. At this time, the size of the second opening portion is larger than that of the first opening portion. A predetermined trench(600) is formed by carrying out a dry etching at the resultant structure. Preferably, the center portion of the trench is further etched than the sidewall portion.
Patent KR-20040001542-A (KR)
Title: Method for forming isolation film in semiconductor device
Inventor: LEE JUN HYEON
IPC: H01L21/76
Filed: 2002-06-28
Abstract: PURPOSE: A method for forming an isolation layer of a semiconductor device is provided to be capable of removing the step difference between an active region and an isolation region and restraining the generation of a micro-trench. CONSTITUTION: A pad oxide layer(200a) and a nitride layer(300a) are sequentially formed at the upper portion of a semiconductor substrate(100a). A trench(400) is formed by selectively etching the resultant structure. The first oxide layer(500) is formed on the entire surface of the resultant structure for completely filling the trench. The second oxide layer(600) is formed at the upper portion of the first oxide layer for improving the topology of the first oxide layer. A CMP(Chemical Mechanical Polishing) process is carried out at the second and first oxide layer for exposing the nitride layer. Preferably, an SOG(Spin On Glass) oxide layer is used as the second oxide layer.
Patent KR-20040003474-A (KR)
Title: Method of forming contact of semicontactor device
Inventor: JUNG HEON TAE
IPC: H01L21/28
Filed: 2002-07-03
Abstract: PURPOSE: A method for forming a contact of a semiconductor device is provided to be capable of preventing malfunction generated at a gate electrode portion. CONSTITUTION: After forming a plurality of gate electrodes(20) made of an oxide layer(22), the first conductive layer(24), the first insulating layer(26), and the second conductive layer(28), at the upper portion of an active region of a semiconductor substrate(10), a source/drain region(21) are formed at both sides of each gate electrode at the inner portion of the semiconductor substrate. After forming the first BPSG insulating layer(30) at the upper portion of the resultant structure, a plurality of holes are formed by selectively etching the first BPSG insulating layer. Then, the third conductive layer(32) is filled into each hole. After sequentially forming the second BPSG insulating layer(34) and an HTO insulating layer(36) at the upper portion of the resultant structure, the first to third contact hole(C1,C2,C3) are simultaneously formed at the resultant structure by carrying out an etching process for exposing the third conductive layer, the second conductive layer, and the source/drain region, respectively.
Patent KR-20020081149-A (KR)
Inventor: DO KYUNG HAK
IPC: H02P7/29
Filed: 2002-07-15
Abstract: PURPOSE: A control apparatus of a motor for a handcart is provided to improve the control of motor by selecting rotary direction and speed through a motor to control a contact point of a relay. CONSTITUTION: A variable resistor(2) is installed on a grip of a handcart so as to be operated by an operator. A plurality of amplifying units(6a,6b) amplifies an inputted signal to output it to a single output terminal(4). A PWM(Pulse Width Modulation) unit(8) performs a PWM process on the signal from the amplifying units(6a,6b). A switching circuit(SW) switches the signal outputted from the PWM unit(8). A plurality of comparing units(12a,12b) are connected in parallel to the amplifying units(6a,6b) and output signal to a rear end of the variable resistor(2) when positive and negative voltage are applied. A plurality of photo-couplers(PC2-A,PC2-B)(PC3-A,PC3-B) are respectively connected to rear ends of the comparing units(12a,12b) and to electricity according to the signal from comparing units(12a,12b). A plurality of transistors(Q7,Q8) are turned on in case that the photo-couplers(PC2-A,PC2-B)(PC3-A,PC3-B) are turned-on. A plurality of relay switches(K1,K2) transmits the signal outputted from the PWM unit(8) to a motor. An overvoltage protection circuit(40) protects the motor in case that the overvoltage is generated at the signal outputted from the PWM unit(8).
Patent KR-20030007198-A (KR)
Title: Receiver, method, program and transport signal for adapting the sound volume of an acoustic signal of an incoming call
Inventor: LUCAT LAURENT
IPC: H04H20/88
Filed: 2002-07-16
Abstract: PURPOSE: A receiver, a method, a program, and a transport signal for adapting the sound volume of an acoustic signal of an incoming call are provided to generate a pseudo-stereophonic signal from a monophonic signal according to a principle which combines a spectral differentiation and a phase differentiation. CONSTITUTION: A spectrum extension device(245) generates the first output signal including synthesis frequencies extrapolated from a part of an original band. The spectrum extension device(245) has a low-pass filtering unit(245a) for selecting a band of frequencies lower than a cutoff frequency, in an input signal, and the first processing unit(245b) for generating an intermediate signal including frequencies higher than the cutoff frequency, which is synthesized from frequencies of the selected band. The spectrum extension device(245) has the second processing unit(245c) for generating the first output signal by replacing at least some of the frequencies of the original band higher than the cutoff frequency by the intermediate signal, in the input signal. The spectrum extension device(245) has a calculation unit(245d) for generating the second output signal. The second signal is a linear combination between the input signal and the first output signal in predetermined proportions.
Patent KR-20030016162-A (KR)
Title: Piezoelectric electroacoustic transducer
Inventor: KOSUGI YUJI
IPC: H04R17/00
Filed: 2002-07-19
Abstract: PURPOSE: To provide a piezoelectric type electroacoustic transducer in which adverse effect on vibrating plates is made less and the changes in the characteristics are reduced even though thermal deformation occurs and an external force is applied to the casings. CONSTITUTION: The transducer is provided with piezoelectric vibrating plates 1 which have a quadrilateral shape bend and vibrate in a thickness direction by applying alternating signals between electrodes, casings 10 and 20 which store the plates 1 and a pair of terminals 11 and 12 which are inserted and formed into the casings. One tip parts of the terminals 11 and 12 being introduced into the internal sections of the casings are respectively provided with trunk sections 11c and 12c which are fixed to the inside surface center sections of the casings and both wing sections 11d and 12d which are extended toward corner sections from the trunk sections. The sections 11d and 12d are not fixed with respect to the casings and provided with stress releasing sections 11f and 12f that are formed between the sections 11c and 12c and the sections 11d and 12d so that the sections 11d and 12d are freely displaced in the internal side direction of the casings. The electrodes of the plates 1 are connected to at least one of the sections 11d and 12d by electrically conductive adhesive 14.
Patent KR-20030009219-A (KR)
Title: Process of Preparing AlkylhydroxyalkylCellulose
Inventor: DANNHORN WOLFGANG
IPC: C08B11/08
Filed: 2002-07-19
Abstract: PURPOSE: A method for preparing an alkylhydroxyalkyl cellulose is provided, to improve the production yield and the reproducibility and to allow the degree of substitution and the molar substitution to be varied over a wide range. CONSTITUTION: The method comprises the steps of alkalizing cellulose by using an aqueous solution containing 0.9-2.9 equivalent of an alkali metal hydroxide I per 1 AGU of the cellulose in the presence of a suspension medium containing at least 0.2 equivalent of an alkylating agent I per 1 AGU of the cellulose; reacting the alkalized cellulose with the alkylating agent I and a hydroxy alkylating agent at a temperature above 65 deg.C; adding additional alkali metal hydroxide II in the form of an aqueous solution; adding additional alkylating agent II in an amount of the absolute value or more of the difference between (i) the number of equivalent of alkylating agent I per 1 AGU of the cellulose already added, and (ii) the total number of equivalent of alkali metal hydroxide per 1 AGU of the cellulose added (wherein additional alkylating agent II is not added if the number of equivalent (i) exceeds the total number of equivalent (ii)); isolating the obtained alkylhydroxyalkyl cellulose from the reaction mixture; and optionally purifying the isolated alkylhydroxyalkyl cellulose. The alkylating agents I and II can be identical or different and the alkali metal hydroxides I and II can be identical or different.
Patent KR-20040011612-A (KR)
Title: System And Method For Human Interface Using Biological Signals
Inventor: KIM DEOK WON
IPC: G06F3/00
Filed: 2002-07-27
Abstract: PURPOSE: A system and a method for a human interface using a biometric signal are provided to presume the biometric information by measuring, processing, and analyzing the biometric signal, and to adjust an application system according to an adjusting signal by transforming the biometric information into the adjusting signal. CONSTITUTION: A biometric signal measuring module(10) detects and amplifies the biometric signal such as an electromyography signal and an electroencephalography signal of a human body. A biometric signal processing module(20) receives, preprocesses, and collects the amplified biometric signal. A biometric signal transforming module(30) extracts a characteristic point by receiving and transforming the collected biometric signal. A biometric signal analysis module(40) presumes the biometric information by using the characteristic point. A biometric information transforming module(50) transforms the biometric information into the adjusting signal for an object device.
Patent KR-20030035830-A (KR)
Title: Stripping composition
Inventor: KOITO TATSUYA
IPC: C11D3/00
Filed: 2002-08-03
Abstract: PURPOSE: A release agent composition is provided to remove the etching residues in a semiconductor device, prevent the corrosion of the metallic film and reduce the damage on the interlayer dielectric film. CONSTITUTION: The release agent composition comprises: (a) at least one of alcohols having an intramolecular ether; and (b) an anticorrosive agent. Preferably, the component (a) is an alcohol having an intramolecular ring-shaped ether structure. The component (a) is preferably furfuryl alcohol or tetrahydrofurfuryl alcohol. The release agent composition optionally further comprises (c) an organic or inorganic weak acid and (d) water.
Patent KR-20040013247-A (KR)
Title: Vertical type low pressure chemical vapored deposition equipment
Inventor: HA JONG HO
IPC: H01L21/205
Filed: 2002-08-05
Abstract: PURPOSE: Vertical type low pressure chemical vapor deposition equipment is provided to lower a temperature of the edge of a wafer under that of the center of the wafer by cooling a part of an inner tube into which a wafer-mounted wafer boat is loaded and by rotating the wafer boat while the temperature is set lower than that of other portions. CONSTITUTION: A plurality of wafers(145) are stacked on the wafer boat(140). The wafer boat is loaded/unloaded into/from the inner tube(120) whose upper portion is open. An outer tube(130) surrounds the inner tube, separated from the inner tube by a predetermined interval. A heat unit heats the inside of the inner tube, surrounding the outer surface of the outer tube. A unit(160) of decreasing locally wafer temperature is installed in the inner tube so that the edge temperature of the wafers located in the inner tube becomes lower than the center temperature of the wafers. A reaction gas supply apparatus(170) supplies reaction gas reacting with the wafer. An exhausting apparatus(180) exhausts used gas and residual gas.
Patent KR-20020070410-A (KR)
Inventor: CHOI JAE SEUNG
IPC: G09F19/02
Filed: 2002-08-01
Abstract: PURPOSE: An event article using fluttering tapes of various colors is provided to raise atmosphere of an event place by dynamically expressing facilities instead of fixedly installing them. CONSTITUTION: A plurality of fluttering tapes(7) of various colors are coupled to the upper end of a body(1), and a part of the body is provided with a commercial advertisement(8). In addition, the body is formed with a set of wind wing(2), a rotating motor(3) and a wing switch(5) on the center thereof as well as a light(4) and a light switch(6) on its lower end.
Patent KR-20040013764-A (KR)
Title: Apparatus and Method for Controlling Non-image Screen of The TV
Inventor: BAE MUN SIK
IPC: H04N7/01
Filed: 2002-08-08
Abstract: PURPOSE: An apparatus for controlling video-loss pictures of a TV and a method thereof are provided to prevent damage of a fluorescent substance at boundary parts between a video picture and upper and lower video-loss pictures by increasing and decreasing signal levels of the upper and lower video-loss pictures according to voltage difference components of the video picture and the upper and lower video-loss pictures. CONSTITUTION: An upper and lower video-loss detector(15) detects upper and lower video-loss signals from digital video signals output from an A/D(Analog-to-Digital) converter(13). A beam current detector(40) detects beam currents of a video picture, and upper and lower video-loss pictures provided to a display from a high voltage generator(30). A voltage converter(41) converts the beam currents of the video picture and the upper and lower video-loss pictures in a voltage type. A microcomputer(50) outputs control signals for controlling a video processor(14) to predetermined levels to the upper and lower video-loss pictures corresponding to the upper and lower video-loss signals, and controlling the levels of the upper and lower video-loss pictures according to voltage difference components of the video picture, and the upper and lower video-loss pictures.
Patent KR-20030040022-A (KR)
Title: Exhaust gas purifying device of spark-plug type internal combustion engine
Inventor: TAMURA YASUKI
IPC: F02D41/04
Filed: 2002-08-09
Abstract: PURPOSE: An exhaust purification device for an intra-cylindrical injection-type spark-ignition internal combustion engine is provided to minimize the aggravation of fuel consumption ratio in a cold state and suppress the exhaust amount of noxious materials by improving exhaust purification efficiency while securing accelerating performance. CONSTITUTION: An exhaust purification device for an intra-cylindrical injection-type spark-ignition internal combustion engine(1) has an injection valve directly injecting fuel into a combustion chamber; a fuel injection control unit controlling fuel injection by the injection valve; and an air fuel ratio control unit controlling the burned air fuel ratio. The exhaust purification device has a catalytic converter(30) purifying noxious materials in exhaust gas; a catalyst activation-determining unit determining an activated state of the catalytic converter; a compression-stroke slight-lean operation unit injecting fuel in a compression stroke by the fuel injection control unit and performing compression-stroke slight-lean operation; and an exhaust gas flow control unit restraining an exhaust gas flow in an exhaust passage. If the catalyst activation-determining unit determines the catalytic converter is not in the activated state, the compression-stroke slight-lean operation is performed by the compression-stroke slight-lean operation unit and also the exhaust gas flow in the exhaust passage is restrained by the exhaust gas flow control unit.
Patent KR-20040016030-A (KR)
Title: Method for recording event detection video in digital video recorder for monitoring
Inventor: KIM YEONG SUK
IPC: H04N7/18
Filed: 2002-08-14
Abstract: PURPOSE: A method for recording event-detected video in a digital video recorder for monitoring is provided to accurately confirm a concrete event state and an invader by variably controlling the event-detected video. CONSTITUTION: If a personal computer requests user recording condition setup menu display, a DVR(Digital Video Recorder) system displays a user selection menu(S10). If a menu item corresponding to 'event detection image recording conditions' is selected, the DVR system displays the corresponding menu and stores the user conditions(S11-S12). The DVR system executes an event monitoring operation(S13). If an event is detected in a specific motion area, the DVR system searches and confirms event detection image recording conditions(S14-S15). A reduced image of the specific motion area is variably controlled into image video of a predetermined size, and peripheral equipments are controlled(S16). It is judged whether the control of the reduced image of the specific motion area and the control operations for the peripheral equipments are completed(S17). The variably controlled event-detected video is stored in a hard disk(S18). The DVR system executes the corresponding operation(S19).
Patent KR-20040020363-A (KR)
Title: Control System and Method for Home Network Service
Inventor: SEO JANG WON
IPC: H04L12/12
Filed: 2002-08-30
Abstract: PURPOSE: A system and a method for controlling a home network are provided to mutually connect household appliances capable of being controlled by a remote controller without a home network connection function. CONSTITUTION: A connection device(210) connects to a home gateway, and transmits and receives signals for controlling household appliances. An input device(220) receives character or numerical information selected by a user, and transmits received character or numerical information. An emulation device(260) provides frequency bands/codes for setting intrinsic frequency bands/codes about the household appliances to be controlled by a home network control system, and transmits the frequency bands/codes of the household appliances to the household appliances. A setup editing device(270) manages device descriptive documents, service descriptive documents and control codes corresponding to detailed functions of the household appliances, and stores the device descriptive documents, the service descriptive documents and the control codes in a database. A control unit(300) connects to the connection device(210), the input device(220), the emulation device(260) and the setup editing device(270), and controls the entire system.