baber/WOPTO huggingface dataset:
Patent KR-20020078583-A (KR)
Inventor: BAEK GWI JONG
IPC: C23F1/16
Filed: 2001-04-06
Abstract: PURPOSE: An etchant for manufacturing source and drain electrode in TFT (thin film transistor)-LCD is provided, which is possible to carry out taper etching with no shoulder. CONSTITUTION: In an etchant for dry etching Mo film or Mo·W alloy film used as source and drain electrode in TFT (thin film transistor)-LCD, the etchant comprises phosphoric acid 30 to 80 wt.%, nitric acid 1.0 to 25 wt.%, acetic acid 2.0 to 20 wt.%, oxidation controller (HClO4 or HIO4) 0.1 to 10 wt.% and a balance of water.
Patent KR-20020085915-A (KR)
Title: durability tester of radius rod for a vehicle
Inventor: SUNG BAEK MIN
IPC: G01M7/00
Filed: 2001-05-10
Abstract: PURPOSE: A durability tester for vehicle radius rod is provided to shorten testing time and reduce costs, while improving reliability for durability test by simultaneously performing durability tests for both axial and torsional directions. CONSTITUTION: A durability tester(20) comprises a main frame(22) installed to apply loads in an axial direction connecting the center between a trunnion base side mounting unit(12) and a vehicle axis mounting unit(14) of a radius rod(10); a sub-frame(24) extended from the main frame, in the transverse direction to the trunnion base side mounting unit, such that the sub-frame supports a protruded bush(12a); a sliding roller(26) installed onto the main frame; and a weight(28) arranged to apply loads in an axial direction to the sliding roller.
Patent KR-20020087748-A (KR)
Title: Transmitter for base station of a mobile phone
Inventor: KIM JUNG SEOP
IPC: H04W88/08
Filed: 2001-05-16
Abstract: PURPOSE: A transmitter of a cellular phone base station is provided to integrate a cellular phone base station composed of a control board, a transmission board and a transmission output detecting board into one board, and to implement the same functions, thereby reducing an error caused by an interface. CONSTITUTION: A transmission signal processor(50) inputs an IF signal, and converts the signal into a high frequency signal. A high power amplifier(60) inputs an output of the transmission signal processor(50), and amplifies the signal. A front end filter(61) inputs the output signal of the high power amplifier(60) to transmit the signal through an antenna(63), and couples the transmitted signal. A transmission signal detector(80) inputs the coupled signal, and detects a strength of the transmitted output signal. A transmission signal controller(70) inputs the output signal of the transmission signal detector(80), and controls a strength of the output signal of the transmission signal processor(50).
Patent KR-20020088642-A (KR)
Title: control method for air-conditioner
Inventor: PARK YONG HO
IPC: F24F11/02
Filed: 2001-05-18
Abstract: PURPOSE: A method for controlling operation of air conditioner is provided to control operation of the air conditioner based on temperature on an intake side of a compressor. CONSTITUTION: A method includes the steps of: a step(100) detecting intake temperature of a compressor; a step(110) determining whether the detected intake temperature of the compressor is over superheat degree control range; a step(120) controlling opening degree of an expansion device so that difference between discharge temperature of the compressor and temperature of a condenser is fixed when the detected temperature is over the superheat degree control range; and a step(130) controlling the opening degree of the expansion device to make the intake temperature of the compressor over the superheat degree control range when the detected intake temperature of the compressor is under the superheat degree control range.
Patent KR-20010105302-A (KR)
Title: 비휘발성 반도체 기억장치 및 그의 제조방법
IPC: H01L29/788
Filed: 2001-05-19
Abstract: 폴리실리콘막이 메모리셀영역과 주변회로영역의 전표면상에 형성되고, 메모리셀영역의 게이트절연막들 사이에 있는 소자분리절연막상의 폴리실리콘막을 선택적으로 제거하여 플로팅게이트의 하지층을 형성한다. 그 후, ONO막을 전표면적상에 형성하고, 주변회로영역의 폴리실리콘막 및 ONO막을 제거한다. 그 후 전도막을 전표면상에 형성하고, 콘트롤게이트 및 플로팅게이트를 패턴화하고, 그 후 게이트전극이 패턴화된다. 이 때, 경계영역의 ONO막 및 폴리실리콘막은 제거되며, 게이트전극이 형성될 때 소자분리절연막은 깎여져 전도막이 에칭으로 제거된 영역에서 홈이 형성된다.
Patent KR-20010107737-A (KR)
Inventor: KIM BYEONG JO
IPC: H04W28/04
Filed: 2001-05-24
Abstract: 본 발명은 무선 통신시스템에서 데이터를 전송하는 중에 오류가 발생한 데이터의 재전송을 처리하는 장치 및 방법에 관한 것으로, 데이터 블록을 전송하는 데이터 블록 전송채널의 소정 비트 수의 비트들을 천공하고, 상기 천공된 비트 수에 의해 메시지 전송채널의 제어 메시지 비트들을 반복하여 전송하는 장치 및 방법에 관한 것이다.
Patent KR-20020089860-A (KR)
Title: Digital satellite receiver with capability of improving receiving sensitivity in low field area
Inventor: BAE BEOM YEOL
IPC: H04B1/06
Filed: 2001-05-25
Abstract: PURPOSE: A digital satellite receiver improving a receive sensitivity of a weak electric field is provided to amplify a signal amplified from a pre-amplifying circuit in an AGC(Automatic Gain Control) circuit of a tuner, thereby amplifying the signal in a position where an SNR(Signal to Noise Ratio) is higher, and maintaining good receive sensitivity. CONSTITUTION: A pre-amplifying circuit(310) amplifies a high frequency signal(S2) from a low noise frequency converter(100). An AGC circuit(321) amplifies the high frequency signal(S2) according to a VAGC. An oscillating circuit(322) generates an oscillating frequency. A tuner(320) includes a mixer(323). The mixer(323) mixes the signal of the AGC circuit(321) with a signal of the oscillating circuit(322), and supplies an intermediate frequency signal(S3). A QPSK demodulator(340) supplies the VAGC to the tuner(320) according to a level of the intermediate frequency signal(S3), and demodulates the intermediate frequency signal(S3).
Patent KR-20020090597-A (KR)
Title: Method for increasing channel capacity of BTS in mobile telecommunication system
Inventor: KIM HU JONG
IPC: H04B7/155
Filed: 2001-05-28
Abstract: PURPOSE: A method of increasing a channel capacity in a mobile communication base station is provided to selectively use an idle diversity channel resource, and to obtain capacity increase with the same channel resource, thereby applying diversity to a transmitting/receiving diversity requiring area and expanding a channel capacity in an unnecessary area. CONSTITUTION: A multi-sector base station(41) divides many diversity channel paths into multi sectors independent from multi sectors assigned in a main channel path, and selectively assigns the divided diversity channel paths. The multi-sector base station(41) processes signals passing through the paths of the assigned sectors as independent signals separated from signals of the main channel path corresponding to the diversity channel paths before being assigned. The multi-sector base station(41) decides whether transmitting/receiving diversity is necessary, and differently assigns another multi sectors for transmitting diversity channel paths and receiving diversity channel paths according to a decided result.
Patent KR-20020091681-A (KR)
Title: Method of manufacturing tft-lcd
Inventor: KIM IN GYO
IPC: G02F1/1362
Filed: 2001-05-31
Abstract: PURPOSE: A method for fabricating a thin film transistor liquid crystal display device is provided to obtain desired data line width by changing the etching sequence of a half-tone mask and the active layer and changing the design of the data line width on a mask. CONSTITUTION: A method for fabricating a thin film transistor liquid crystal display device includes the steps of preparing a transparent substrate(1) formed with an active layer, a source/drain metal film and a half-tone mask(4) on the source/drain metal film in sequence, etching the source/drain metal films by using the half-tone mask for forming data lines(3), partially etching the half-tone mask for defining source/drain areas of the data lines, forming active lines(2a) and a channel layer by etching active areas by using the partially etched half-tone mask and the etched source/drain metal film, and forming source/drain electrodes by etching the exposed parts of the source/drain metal film and etching the exposed surface of the active layer.
Patent KR-20020091881-A (KR)
Title: Device of manufacture screw copper pipe
Inventor: BAEK SEUNG GWI
IPC: B21D15/04
Filed: 2001-06-01
Abstract: PURPOSE: A device for manufacturing a threaded copper tube is provided to freely determine the pitch and height of a thread, to massively produce threaded copper tubes, and to improve the durability of the threaded copper tube. CONSTITUTION: A frame(10) includes guide bars(14) installed lengthwise to support a rotating device(20), a movable gripper(40), and a copper tube base(32) and supports(12) to support the guide bars. The rotating device includes a reducing motor(21) to rotate a chuck(22), a motor support(24), and bushings(41) of which position is fixed on the guide bars via a detent lever(26). The movable gripper includes an upper die(45) contacting with a lower die(46) fixed on a die support(42), semicircular recesses formed in the center of the contacting faces of the upper die and the lower die to grip the end portions of a copper tube(60), and bushings(30) moving along the guide bars. A support bar(50) inserted to the copper tube to support the copper tube and adjusts the pitch and height of the thread formed on the copper tube. The copper tube base has a V-shaped recess to support the copper tube.
Patent KR-20020092475-A (KR)
Inventor: LEE SEOK JIN
IPC: F04B17/00
Filed: 2001-06-04
Abstract: PURPOSE: A linear compressor is provided to smooth movement of a piston and a mover and to easily install a sensor and a sensor core. CONSTITUTION: A compressor includes a sensor core(60) placed to extend from a piston connecting axis(31a) extending from a piston(31) to an outside of a leaf spring(51); and a sensor(61), a coil type displacement detecting sensor, having a detecting hole(61a), supported by a sensor supporting member(62) extending from a periphery thereof to the outside and fixed to a spring supporting member(52) and fixed on an outside separating from the leaf spring to detect movement of the sensor core.
Patent KR-20020094773-A (KR)
Title: Apparatus for fixed the accumulator in compressor
Inventor: KIM PIL HWAN
IPC: F25B43/00
Filed: 2001-06-13
Abstract: PURPOSE: A fixing device of accumulator for compressor is provided to reduce vibration and noise and to improve productivity. CONSTITUTION: A fixing device(110) includes a bracket(120) blazed to fix an accumulator(5) on one side of a main body; a fixing band(130) covering a peripheral surface of the accumulator and joined to the bracket to fix the accumulator to the bracket; and an attaching band(140) placed between the bracket and the accumulator, attached on points on the peripheral surface of the accumulator and comprises a first band joining part(145) and a second band joining part(146) formed on both ends to be installed between the fixing band and the bracket, bending parts(142) perpendicularly bending to insides of the band joining parts and a closely supporting part(141) formed between the bending parts to support the accumulator so as to elastically support the accumulator to the fixing band.
Patent KR-20020095292-A (KR)
Title: Phase loked loop of mobile communication station
Inventor: PARK JAE SEON
IPC: H04B1/40
Filed: 2001-06-14
Abstract: PURPOSE: A PLL(Phase Locked Loop) of a mobile communication terminal is provided to control comparison frequencies according to each output frequency, thereby making phase noise characteristics of a local oscillator better and improving noise characteristics of a receiver. CONSTITUTION: A reference oscillator(101) oscillates a reference frequency, and outputs the oscillated reference frequency. The first divider(103) divides the reference frequency as a basic frequency to output the basic frequency. A phase comparator(105) compares a phase of the basic frequency with a phase of a frequency inputted from the second divider(111), and applies an output proportioned to a phase difference to a loop filter(107). The loop filter(107) removes a harmonic component contained in the output, and outputs a control signal. A local oscillator(109) changes an oscillating frequency by the control signal, and outputs an output frequency. The second divider(111) divides the output frequency to output the frequency to the phase comparator(105). A PLL data generating unit(120) is composed of many PLL data generators(121,123,125) for controlling dividing ratios of the first and the second divider(103,111). A central processing unit(200) selects a specific PLL data generator according to the output frequency to drive the generator.
Patent KR-20010071654-A (KR)
Inventor: BAE CHEOL BYUNG
Filed: 2001-06-28
Abstract: PURPOSE: A system for managing advertisement is provided to for an advertiser to supply exact target advertisement according to an area, an age, and a sex by effectively exposing a banner advertisement using a game. CONSTITUTION: An advertisement database(40) stores advertisements after setting the advertisement according to large enterprises or smaller firms. A member database(50) stores cyber money, game points, a lottery number, and a present number given when joining to the game. A game system(60) gives the lottery number and the present number to the member, and manages the game points. An advertisement managing system(80) recognizes the address, age, and sex of the member and displays the advertisement which is suitable for the member, and provides the cyber money and the game points according to a reserve advertisement. A lottery system(90) automatically draws lots once a day after the lottery number is given to the whole member. A center system(70) operates the game system, the member database, and the lottery system and exposes the advertisement according to the area, age, and sex of the member.
Patent KR-20030001907-A (KR)
Title: Method for Fabrication Semiconductor Device
Inventor: KYUNG GI MYEONG
IPC: H01L21/334
Filed: 2001-06-28
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to decrease damage as compared with only an oxygen ion implantation process by simultaneously performing oxygen and hydrogen ion implantation processes and by performing a heat treatment process to form an oxide layer. CONSTITUTION: An isolation region and an active region are defined in a substrate(21). Oxygen and hydrogen ions are simultaneously implanted into the entire surface of the substrate to form the oxide layer(23) in a predetermined depth of the active region. A gate oxide layer(24) and a gate electrode(25) are formed on the substrate having the active region. A source/drain region(26) is formed in the surface of the substrate near a gate region through an ion implantation process using the gate oxide layer and the gate electrode as a mask.
Patent KR-20030002372-A (KR)
Title: Method for manufacturing a spacer of semiconductor device
Inventor: KIM SEUNG BEOM
IPC: H01L21/336
Filed: 2001-06-29
Abstract: PURPOSE: A method for manufacturing a spacer of semiconductor devices is provided to easily obtain the spacer having a uniform thickness by rapidly etching edge portions of a wafer. CONSTITUTION: A gate electrode(106) and a hard mask(108) are sequentially formed on an active region of a silicon substrate(100). An oxide layer(112) for forming a spacer is formed on the entire surface of the resultant structure. Spacers having a uniform thickness are formed at both sidewalls of the hard mask(108) and the gate electrode(106) by dry-etching the oxide layer(112) using CF4 or CHF3 gas, wherein the edge portions of the oxide layer is more rapidly etched than the center portions of the substrate(100).
Patent KR-20030002791-A (KR)
Title: Method for manufacturing capacitor semiconductor device
Inventor: AHN BYEONG GWON
IPC: H01L27/108
Filed: 2001-06-29
Abstract: PURPOSE: A method for fabricating a capacitor of a semiconductor device is provided to increase a deposition rate in depositing Ru as a lower electrode by performing an in-situ process through a plasma-enhanced chemical vapor deposition(PECVD) method or low pressure chemical vapor deposition(LPCVD) method. CONSTITUTION: An interlayer dielectric having a contact hole is formed. A plug layer and a barrier metal layer(15a,15b) are sequentially formed in the contact hole. A cap oxide layer(16) is formed on the resultant structure and is selectively etched to define a capacitor formation region. The exposed surface is nitridized by a plasma treatment process to improve the quality of a material layer for forming the lower electrode in a subsequent process. The material layer for forming the lower electrode is formed on the resultant structure and the cap oxide layer is removed by a deep-out process to form the lower electrode. A dielectric layer and an upper electrode are sequentially formed on the lower electrode.
Patent KR-20030004845-A (KR)
Title: Ovulation phase meter
Inventor: KIM BYEONG UK
IPC: A61B10/00
Filed: 2001-07-06
Abstract: PURPOSE: An ovulation measuring appliance is provided to simplify the measuring manipulation of ovulation and to considerably improve the reliability of its measured results. CONSTITUTION: The ovulation measuring appliance comprises a skin resistance detecting unit(10) for measuring the resistance of fingers; a body temperature detecting unit(20) for measuring a temperature of the tongue; a potential difference detecting unit(30) coming into contact with the tongue to measure the potential difference of mucus inside the mouth; a control unit(40) for determining the possibility of ovulation by comparing obtained various values; a result output unit(50); an electric power(70); and an ON/OFF switch(60).
Patent KR-20030005957-A (KR)
Title: electrode plate manufacturing drill of plasma chamber and method there of
Inventor: KIM BYEONG HYEON
IPC: B23B41/00
Filed: 2001-07-11
Abstract: PURPOSE: A drill for processing an electrode plate and a method for processing the electrode plate are provided to improve workability and processing efficiency by expanding an electrode hole in a required size, simultaneously with forming a curvature at an edge part. CONSTITUTION: An electrode hole having a minute diameter is formed in an electrode plate(16). A front end part(32) having a predetermined angle is formed at an end of a processing drill(30) having a rod shape. A rod-shaped sidewall is formed next to the front end part(32). A cutting section(34) is formed in the rod-shaped sidewall. A curved cutting section(36) is formed at a rear end of the cutting section(34). A cutting blade of the cutting section(34) extends along the curved cutting section(36). The cutting blade has a smooth curvature in such a manner that the cutting blade matches with an edge part of the electrode hole.
Patent KR-20020007188-A (KR)
Inventor: ARAKI TSUTOMU
IPC: A61K31/19
Filed: 2001-07-13
Abstract: PURPOSE: A composition including a function improving agent for astrocyte, especially (R)-2-propyloctanoic acid, its non-toxic salt and its hydrate as an active ingredient is provided which is useful as therapeutic and/or preventive preparation for Parkinson's disease and Parkinson's syndrome. CONSTITUTION: The function-improving agent for astrocyte is a compound represented by the formula 1, a nontoxic salt thereof or a hydrate thereof. In formula, R6 is hydroxyl, C1-4 alkoxy, C1-4 alkoxy substituted with a phenyl group or -NR9R10; R9 and R10 are each independently H, C1-4 alkyl, phenyl, phenyl substituted with C1-4 alkoxy or carboxyl, 4-7 membered heterocyclic, C1-4 alkyl substituted with phenyl, 4-7 membered heterocyclic containing N or O, an amino residue with N, n is 1; R5 is (substituted C1-10 alkyl)-CH2-.
Patent KR-20030006863-A (KR)
Inventor: CHANG SOO HWAN
IPC: A43C15/06
Filed: 2001-07-14
Abstract: PURPOSE: An I-snow look is provided to prevent and control slippage hindering human activities in the ice and snow in the winter so as to give full scope to one's activities. CONSTITUTION: A main body(1) is put on the bottom of a military shoe or common shoe as follows. A main belt draft portion(6) and an auxiliary belt draft portion(7) are raised at four places of the front and rear outer edges. A back heel band(21) is inserted into and fixed to the back heel of the shoe and contacted with one side of the upper part, being bound to both sides of the main belt draft portion(6) by a band fixing pin(22). Left and right main belts(2) are easily attached to and detached from inside and outside of the upper side of a main belt bonding portion(4) using a bonding button(5), with an auxiliary belt(3) being sewn and conjugated to the upper part by being fixed by a main belt fixing portion(8) and an auxiliary belt fixing portion(9).
Patent KR-20030009886-A (KR)
Title: Engine loading and unloading device for of aircraft
Inventor: JUNG YEONG HWA
IPC: B64D27/00
Filed: 2001-07-24
Abstract: PURPOSE: A device for installing and removing an engine of an airplane is provided to absorb the thermal expansion of an engine while satisfying the crash load condition when an airplane is started and to easily manufacture parts, to easily mount and remove an engine while a proper clearance is secured, and to apply an engine mounting and removing device to a situation in which the propulsive force of the engine is increased. CONSTITUTION: A first and a second engine mounting units(30,40) for surrounding support shafts installed at both sides of an engine are installed at both sides in a central body(10) of an airplane. The first engine mounting unit comprises a first mounting pin having a fixing hole inserted with a support shaft installed at one side of the engine and a pair of first fixing clamps connected via a tension bolt and a nut. The second engine mounting unit comprises a second mounting pint and a second fixing clamp.
Patent KR-20030010877-A (KR)
Title: Method and apparatus for whipping a thread around a shank of a button
Inventor: SEO KEOUN YONG
IPC: A41H37/10
Filed: 2001-07-27
Abstract: PURPOSE: A method and apparatus for hemming a button shank portion is provided to prevent the disentanglement of a hemming thread since the hemming thread is tied as an elliptical portion is caught in the shank portion. CONSTITUTION: A hemming thread is taken up to a shank portion of a button by at least one revolution, with the hemming thread being supported in an elliptical shape from the shank portion of the button. Then, the hemming thread portion of the elliptical shape is caught in the shank portion. Finally, when the hemming thread is pulled, a firm knot is formed on the hemming thread. The hemming apparatus to which the method is adapted, includes; a base; a unit arranged on the base for supporting a bobbin(210); a unit for holding a button; a unit(400) for hemming the thread to a shank portion of the button held by the button holding unit; a unit(500) for driving the hemming unit(400) and the bobbin(210).
Patent KR-20030012638-A (KR)
Title: Choke for isolating microwave
Inventor: KIM YANG GYEONG
IPC: H05B6/76
Filed: 2001-08-02
Abstract: PURPOSE: A choke for shielding electromagnetic waves is provided to shield electromagnetic waves leaked from a resonator of a heating device for heating dielectric by using a filter for shielding the electromagnetic waves. CONSTITUTION: A choke(10) has a predetermined bending section. The predetermined bending section is formed with the first to the seventh stepped portions(10a to 10g). An interval(10j) is formed between an end portion of the seventh stepped portion(10g) and the fourth stepped portion(10d). A plurality of projection portions(10j) are arranged on the sixth stepped portion(10f) and the seventh stepped portion(10g) according to a predetermined interval. The projection portions(10j) and bending portions(10h) are arranged periodically by bending the bending portions(10h) between the projection portions(10i).