baber/WOPTO huggingface dataset:
Patent KR-20020090879-A (KR)
Inventor: WADA YUKIHISA
IPC: H01L21/762
Filed: 2002-05-23
Abstract: PURPOSE: A method for fabricating a semiconductor device is to provide an etching process capable of avoiding drop of an etching selection rate, in the case of being accompanied by the formation of two or more kinds of oxide films whose etching characteristics are different from each other. CONSTITUTION: On the side face of a gate electrode, a laminated film sidewall including the first oxide film such as a non-doped silicate glass(NSG) film, a tetraethoxysilane(TEOS) film and a high temperature oxide(HTO) film and the second oxide film such as a boron phosphorous silicate glass(BPSG) film and a PSG film is formed. At the time of using the laminated film sidewall as an injection mask for forming the source/drain of a metal-insulator-semiconductor(MIS) transistor and selectively removing the second oxide film, a wet etching process is performed with a solution mixture containing hydrofluoric acid and inorganic acid(hydrochloric acid or sulfuric acid or the like). The etch selection rate of the respective oxide films is increased and only the second oxide film of an upper layer is removed.
Patent KR-20030091378-A (KR)
Title: VoIP gate system and maintenance and recovery method thereof
Inventor: KIM DAE UNG
IPC: H04L12/66
Filed: 2002-05-27
Abstract: PURPOSE: A VoIP(Voice over Internet Protocol) gateway system and a method for operating and managing the same are provided to receive an initialization file as a simple text file type when providing an Internet service without a flash memory, maintain setup information of a VoIP gateway, and start or restart the VoIP gateway. CONSTITUTION: A VoIP gateway(110) has an operation management agent unit(113) and an initialization unit(115). The operation management agent unit(113) transmits and receives operation management information of the VoIP gateway(110) with an operation management device(120). The initialization unit(115) receives an execution file and an initialization file from the operation management device(120) when starting/restarting the VoIP gateway(110). The operation management device(120) has an initialization processing unit(121), an operator matching unit(127), an SNMP(Simple Network Management Protocol) processing unit(123), and a trap processing unit(125). The initialization processing unit(121) provides the execution file and the initialization file when starting/restarting the VoIP gateway. The operator matching unit(127) offers the change and retrieval function of management information of the VoIP gateway(110) to an operator of the operation management device(120) through a GUI(Graphic User Interface). The SNMP processing unit(123) transmits and receives operation management information or changes operation management information by the operation management agent unit(113) and an SNMP. The trap processing unit(125) processes the fault or event of the VoIP gateway(110), which is reported through a trap message of the SNMP.
Patent KR-20030094904-A (KR)
Title: Window of semiconductor product device
Inventor: CHOI YUNG SAM
IPC: H01L21/205
Filed: 2002-06-10
Abstract: PURPOSE: A window of a semiconductor manufacturing equipment is provided to be capable of preventing the etching phenomenon generated at the window by forming the window using ceramic or industrial diamond. CONSTITUTION: A rectangular type hole is formed at the predetermined portion of a chamber body part(10). A frame(12) is inserted into the hole of the chamber body part. At this time, the frame is fixed to the chamber body part by using a screw(24). The first O-ring(22) is inserted in the frame. The first O-ring is used for preventing the leak generated between the hole of the chamber body part and the frame. The second O-ring(14) is inserted into a window(16). At this time, the window is made of predetermined material. Preferably, ceramic is used as the predetermined material. Preferably, an industrial diamond is capable of being used as the predetermined material.
Patent KR-20030096848-A (KR)
Title: An automatic control device of the amount of injecting grout for boring and grouting and the method thereof
Inventor: HAN WOO SUN
IPC: E21B44/00
Filed: 2002-06-18
Abstract: PURPOSE: An automatic control device for the input of boring grouting chemicals is provided to place chemicals evenly and continuously by controlling the input of chemicals automatically, and to cut down construction expenses by preventing the oversupply of chemicals. CONSTITUTION: The automatic control device for the input of boring grouting chemicals comprises; a depth measuring device attached to a boring grouting device(2) and transferring preset voltage signals according to the excavation speed to a valve control unit(33) by checking the depth of the ground and the excavations speed in real time; a valve control unit(33) controlling a motor of a flow control valve(34) according to the voltage signal transferred from the depth measuring device to control the input of chemicals automatically, and controlling a flow control valve(34) exactly by the input information of chemicals by receiving the voltage signals from the flow control valve(34); a flow control valve(34) controlling the operation of a valve by the valve control unit(33); and a flow measuring device(35) installed to a chemical feed pipe(36) which connects a grout pump(32) and a swivel(31), detecting the flow rate in real time using a flow measuring sensor and converting the information of the flow rate detected into current signals, then sending to the valve control unit(33).
Patent KR-20030096955-A (KR)
Title: Vehicle's BTCS control circuit
Inventor: AHN DONG HO
IPC: B60T8/58
Filed: 2002-06-18
Abstract: PURPOSE: A control circuit of a BTCS(Brake Traction Control System) for a vehicle is provided to supply a small-sized and lightweight TCS(Traction Control System) modulator block by removing a low-pressure accumulator at a reflux line and to cut down producing and assembling cost by reducing the number of parts. CONSTITUTION: A control circuit of a BTCS for a vehicle is composed of a brake line(30) forming a passage supplying braking pressure generated in a master cylinder(10) to wheel brakes(20); an HCU(Hydraulic Control Unit) controlling the brake line; an ECU(Electronic Control Unit) controlling the HCU; a suction line(32) branched off from a reflux line(31) for an inlet of a hydraulic pump(44) and connected with a storage tank(11) mounted to the master cylinder; a check valve(60) installed at the upper part of the spot at which the suction line is branched from the reflux line; and a TCS solenoid valve(45) installed at the upper part of the spot at which the reflux line is joined with the brake line, normally opened.
Patent KR-20040000917-A (KR)
Title: Conductive contact structure and fabrication method thereof
Inventor: LEE HYEON DEOK
IPC: H01L21/768
Filed: 2002-06-26
Abstract: PURPOSE: A structure of a conductive contact and a fabricating method therefor are provided to restrict the generation of defects and simplify a fabrication process by removing a CMP(Chemical Mechanical Polishing) process. CONSTITUTION: A structure of a conductive contact includes a substrate(102), a lower interlayer dielectric(120), a lower contact hole, a lower contact(130), an upper interlayer dielectric(150), an upper contact hole(154), and an upper contact(160). The lower interlayer dielectric(120) is formed on an upper surface of the substrate(102). The lower contact hole is used for exposing the substrate(102) through the lower interlayer dielectric(120). The lower contact(130) is formed on a sidewall or a bottom of the lower contact hole. The upper interlayer dielectric(150) is formed on the lower contact(130) having a groove. The upper contact hole(154) is used for exposing the lower contact(130). The upper contact(160) is used for filling the inside of the upper contact hole(154).
Patent KR-20040001491-A (KR)
Title: A static random access memory with improved read performance
Inventor: KWON TAE U
IPC: G11C11/413
Filed: 2002-06-28
Abstract: PURPOSE: A static random access memory(SRAM) with an improved read characteristics is provided, which has a large potential difference applied to a data bus line without delay of an operation speed even at a low voltage. CONSTITUTION: According to the SRAM(300), a memory cell array has a word line and a bit line. A bit line pull-up circuit(304_1,304_N) precharges the bit line. A bit line sense amp amplifies a signal applied to the bit line and then outputs it. A data bus line sense amplifier amplifies a signal applied to a data bus line and then outputs it. A pass gate(308_1a,308_1b,308_Na,308_Nb) connects the bit line to the data bus line selectively. If a specific cell of the memory cell array is selected by the word line and the bit line and the bit line pull-up circuit is disabled, the pass gate is disabled. After some time when the pull-up circuit is disabled, the bit line sense amp and the pass gate are enabled.
Patent KR-20040006315-A (KR)
Title: mask structure
Inventor: LEE CHEOL SEUNG
IPC: H01L21/027
Filed: 2002-07-11
Abstract: PURPOSE: A structure of a mask is provided to prevent an ultra-fine pattern bridge and obtain the capacitance of a capacitor by forming a plurality of storage node contact patterns of a capacitor as a plurality of hexagonal patterns. CONSTITUTION: A structure of a mask includes a plurality of hexagonal patterns(102). The hexagonal patterns(102) are used as storage node contact patterns of a capacitor. The hexagonal patterns(102) have a long arranged structure. The long arranged structure of the hexagonal patterns(102) is formed by arranging the hexagonal patterns(102) to each other. An elliptic capacitor storage contact is formed by exposing partially the hexagonal patterns(102).
Patent KR-20030025793-A (KR)
Title: Semiconductor device comprising memories on the inside and outside of bonding pad
Inventor: SAKAKIBARA KAZUO
IPC: G06F15/78
Filed: 2002-07-19
Abstract: PURPOSE: To obtain a semiconductor integrated circuit capable of coping with the increase of memory space by effectively using an already designed core block. CONSTITUTION: The core block 8a provided with a block 1 including CPU, the array 4a of a plurality of bonding pads, and RAMs 21a and 22a which are first memories to be arranged on the same side as the block 1 with respect to the array 4a. When the increase of a memory capacity is requested, RAMs 24a and 25a which are second memories to be arranged on a side opposite to the block 1 with respect to the array 4a to cope with the request easily. Since the second memories have physical layout different from that of the first memories in addition, the physical layout for obtaining a required memory capacity can easily be designed outside of the core block 8a which is the inside of a single chip microcomputer 9c.
Patent KR-20040010892-A (KR)
Title: Identification system and method using fingerprint and finger blood vessel and media that can record computer program sources thereof
Inventor: CHO SEOUNG HO
IPC: G06V40/14
Filed: 2002-07-25
Abstract: PURPOSE: A system and method for checking an identity using a finger blood vessel pattern and a recording medium including a computer program source as to the method are provided to check an identity of each individual by photographing many finger blood vessel pattern images of a user for checking an identity of the user, registering the finger blood vessel pattern images as many original copies, and comparing an inputted finger blood vessel pattern image with pre-registered many original copies one to one, respectively. CONSTITUTION: An image input unit(10) photographs a finger blood vessel pattern image using a plurality of light sources(13) being operated by stored driving signals, respectively, and a camera(11) having a zoom function of high power. A function setting unit(20) includes a function setting key for checking whether a finger blood vessel pattern image being photographed through the image input unit(10) is registered as the original copy or a confirmation request copy. An original copy storing unit(40) stores many original copies of a finger blood vessel pattern capable of specifying an individual. A blood vessel pattern checking unit(60) supplies a driving signal designated in the image input unit(10) and checks an identity of a user by registering a finger blood vessel pattern image being obtained through the image input unit(10) in the original copy storing unit(40) according to key input states of the function setting unit(20) or comparing the finger blood vessel pattern image with pre-registered many original copies of a finger blood vessel pattern image one to one, respectively.
Patent KR-20040009933-A (KR)
Title: Advertisement panel frame of lighting way
Inventor: KIM DAE ROUNG
IPC: G09F15/00
Filed: 2002-07-26
Abstract: PURPOSE: A frame for advertisement panel using an illumination method is provided to attach easily a transparent panel and install easily an illuminating lamp and a stabilizer by improving a structure of the frame. CONSTITUTION: A frame for advertisement panel using an illumination method includes a plurality of grooves(9,9'), a plurality of support sections(10,10'), an insertion plate(11) to form an illuminating lamp room and a stabilizer room. The grooves(9,9') are formed on both sides of the inside of the frame(1). The support sections(10,10') are formed at the insertion plate(11). A supporter(7) including an illuminating lamp holder(5) and a leg(6) is installed in the illuminating lamp room. A groove is formed by opening a lower part of the illuminating lamp room. A plurality of bolt cover grooves(3) are formed at a front side and a rear side of the groove.
Patent KR-20040013896-A (KR)
Title: Nozzle for mixing air
Inventor: JOUN SIN GOO
IPC: C02F1/74
Filed: 2002-08-09
Abstract: PURPOSE: Provided is a gas-liquid mixing nozzle for aeration of water, which does not have submerged mechanical driving machines for preventing failure of such machines and sucks air and breaks bubbles into micro-bubbles by using high speed water flow in a nozzle. CONSTITUTION: The nozzle comprises an air sucking nozzle member(1) connected to a pressurized water supply pipe (P1) at an end and through which water flows at high speed, at least one middle nozzle member(2) connected to the other end of the air sucking nozzle member(1) at an end thereof, a sparing nozzle member(3) connected to the other end of the middle nozzle member(2) at an end thereof, an air supply pipe (P2) with an end located on the middle nozzle member(2), a casing(5) for surrounding the end of air supply pipe (P2), the middle nozzle member(2), and connection portions between the middle nozzle member(2) and the air sucking nozzle member(2) and the sparging nozzle member(3), respectively, and air supply nozzles(81,82,83) are formed at every connection points between the air sucking nozzle member(1), the middle nozzle member(2) and the sparging nozzle member(3), wherein an air breaking grooves(22) are formed on the inner wall of the middle nozzle member(2), so air introduced into the middle nozzle member(2) is split into microbubbles in the nozzle member(2) by water flowing at high speed through the air sucking nozzle member(1), mixed with the water while flowing through the nozzle and discharged out through an exit of the sparging nozzle member(3).
Patent KR-20030047694-A (KR)
Title: Cold cathode fluorescent lamp for illumination with which the inverter is incorporated
Inventor: JIN SANG HO
IPC: H01J61/78
Filed: 2002-08-12
Abstract: PURPOSE: An inverter integrated type cold cathode fluorescent lamp is provided to prevent current drop by forming an inverter and lamp into a single module, while reducing power consumption and protecting users from an electric shock. CONSTITUTION: An inverter integrated type cold cathode fluorescent lamp comprises a U-shaped cold cathode fluorescent lamp(3) having both ends mounted with a lead wire; an inverter(5) electrically connected to each lead wire of the U-shaped cold cathode fluorescent lamp so as to turn on the U-shaped cold cathode fluorescent lamp, and which has an end attached to the end of the U-shaped cold cathode fluorescent lamp; and two connector terminals(6) arranged at the other end of the inverter for power connection.
Patent KR-20030017424-A (KR)
Inventor: ITO TAKAAKI
IPC: B23K35/02
Filed: 2002-08-23
Abstract: PURPOSE: A plating-free solid wire for a MAG welding is provided to ensure good supply capability and lubricating characteristics and to reduce spatters. CONSTITUTION: A plating-free solid wire for welding arcs has an opening on the circumference of the wire, pits of which the inside is wider than at each opening, and/or pits having a portion non-irradiated with an externally incoming light. Sulfide and polyisobutene-containing oil exist in the pits and/or on the wire surface, and polyisobutene-containing oil exists in an amount of 0.1-2g per 10kg of wire. Twenty or more pits are present in total along the circumference of the wire. The length ratio of the effective pit is the inclusive of 0.5% and the exclusive of 50%. The oil is 0.1-2g per 10kg of the wire. MoS2 having 0.1 to 10 micron m is present in bottleneck-like and/or cave-like pits, which are on the wire surface or immediately under the wire surface with 0.01 to 0.5g per 10kg. 2-10 mass ppm of K compound, based on total wire mass, is present in the pits and/or on the wire surface.
Patent KR-20040017961-A (KR)
Inventor: JUNG WON HYEON
IPC: F04B39/10
Filed: 2002-08-23
Abstract: PURPOSE: Structure for reducing dead volume of a reciprocating compressor is provided to decrease dead volume of the compressor, and to increase efficiency of the compressor by reducing the volume of a bolt head relieving groove with keeping assembling force of the suction valve. CONSTITUTION: A reciprocating compressor has a suction valve(30) combined with the end of a piston(20), which connects to a mover of a reciprocating motor and reciprocates in a cylinder, by an assembling bolt to open and close a gas passage, and a discharge valve arranged in the front of the suction valve to regulate discharge of compressed fluid with opening and closing the compression space of the cylinder and composed of a bolt head relieving groove inserting a head part(120) of the assembling bolt. The round head part of the assembling bolt is formed to form at least one linear part or more in projecting on the plane, and the bore of the bolt head relieving groove is similar to the diameter of the head part of the assembling bolt.
Patent KR-20040020486-A (KR)
Title: Method for manufacturing coke to utilize chemical plant slug in making coke
Inventor: LEE HYEON
IPC: C10B53/00
Filed: 2002-08-30
Abstract: PURPOSE: A method for manufacturing coke using chemical plant sludge without deterioration of coke strength as recycling the chemical plant sludge as a coke raw material is provided. CONSTITUTION: In a method for manufacturing coke using blended coal as a raw material, the method comprises the steps of controlling moisture content of chemical plant sludge to 87 to 91%; mixing 2% or less of the moisture content controlled chemical plant sludge in the dry weight basis with the blended coal; and obtaining coke by carbonizing the mixture of blended coal and chemical plant sludge in a coke oven furnace, wherein the mixing step of the chemical plant sludge and blended coal is performed by spouting out a fixed quantity of the chemical plant sludge onto an upper part of the blended coal transferred on a conveyor belt.
Patent KR-20040020578-A (KR)
Title: Airconditioning system for vehicle
Inventor: KIM SEONG IL
IPC: B60H1/00
Filed: 2002-08-31
Abstract: PURPOSE: A vehicle air conditioning system is provided to prevent a degradation of efficiency of air conditioning system caused due to the deficiency of refrigerant and oil. CONSTITUTION: A vehicle air conditioning system comprises an outlet pipe(2) arranged at one side of a compressor(1) and connected to a condenser(4); an expansion valve(7) connected to the condenser; an evaporator(6) connected to the expansion valve; an inlet pipe(3) interposed between the evaporator and the compressor; a pressure reducing valve(5) arranged at the intermediate portion of the outlet pipe, wherein the pressure reducing valve discharges the pressure higher than the predetermined level; a bypass path(9) connected to the pressure reducing valve so as to bypass the discharged pressure; and a pressure reducing tank(8) mounted on the inlet pipe, wherein the pressure reducing tank has an end communicated to a connection path(10) and the other end connected to the bypass path so as to store the bypassed pressure.
Patent KR-20040020643-A (KR)
Title: Preamble design for frequency offset estimation and channel equalization in burst OFDM transmission system
Inventor: CHOI HYEONG JIN
IPC: H04L27/26
Filed: 2002-08-31
Abstract: PURPOSE: A preamble design for implementing a frequency offset estimation and a channel equalization in a burst orthogonal frequency division multiplexing transmission system is provided to satisfy the required frequency estimation performance with a small number of correlation samples by using the back-end samples of the guard period without depending on the inter-symbol interference. CONSTITUTION: A preamble design for implementing a frequency offset estimation and a channel equalization in a burst orthogonal frequency division multiplexing transmission system includes the steps of: (a) calculating(S410,S420) a normalized frequency offset for a test sample signal having a relation that the correlation distance is the number(N) of the sub-carrier waves and a test sample signal having a relation that the correlation distance is two times(2N) of the number of the sub-carrier waves; and (b) estimating(S430-S470) the normalized frequency offset by subtracting or adding a predetermined value from/to the normalized frequency offset calculated, when the correlation distance is 2N, in response to the range of the normalized frequency offset calculated when the correlation distance is N.
Patent KR-20040021460-A (KR)
Title: Disk partision information detection method for network store apparatus
Inventor: KO YEONG DEOK
IPC: G06F17/30
Filed: 2002-09-04
Abstract: PURPOSE: A method for searching the disk partition information of a SAN(Storage Area Network) storage is provided to enhance convenience of users by requesting and confirming all disk partition informations of a heterogeneous server. CONSTITUTION: A client system is connected to the SAN storage. In order to confirm the disk partition information of the SAN storages connected to each server system, a user executes a client program on the client system. The client system transmits a request signal for the disk partition information to one or all servers. A server program transmits the disk partition information upon the request signal of the disk partition information. The client system receives/displays the disk partition information.
Patent KR-20040029656-A (KR)
Title: Car key protector
Inventor: NAM MIN WOO
IPC: E05B17/14
Filed: 2002-10-01
Abstract: PURPOSE: A vehicle key protecting net is provided to prevent a vehicle from being damaged by installing the vehicle key protecting net around a key hole formed in various parts of the vehicle. CONSTITUTION: A vehicle key protecting net includes a body section(1) and a dual-sided tape(2) attached to a bottom surface of the body section(1). A hole is formed in a center of the body section. The hole guides the vehicle key when a user inserts the vehicle key into a key hole formed in various parts of the vehicle. The vehicle key protecting net improves an outer appearance of the vehicle while preventing the vehicle from being damaged by the vehicle key. The vehicle key protecting net is made from rubber or soft material.
Patent KR-20030064256-A (KR)
IPC: F01C21/00
Filed: 2002-10-04
Abstract: 본 발명의 냉동시스템은 하나 이상의 유체 포켓으로의 유체 분사를 포함하는 압축기를 가지고 있다.  포켓으로의 분사를 위한 유체공급원은 압축기의 셸에 직접 부착되어 있어서 유체공급원과 압축기 사이의 유체 배관에 대한 필요성이 없다.  상기 유체공급원은 이 시스템의 용량 및 효율을 높이는 플래시 탱크로 될 수 있거나 이 시스템의 가능출력 및 효율을 높이는 열교환기가 될 수 있다.