baber/WOPTO huggingface dataset:
Patent KR-20030061515-A (KR)
Title: Dry etching apparatus of semiconductor device and method for dry etching therby
Inventor: KIM JONG MYEONG
IPC: H01L21/3065
Filed: 2002-01-14
Abstract: PURPOSE: A dry etching apparatus of semiconductor device is provided to prevent a buffer chamber, the first loadlock chamber, the second loadlock chamber and a contact chamber from being contaminated in a wafer transfer process after a dry etching is performed on a wafer by cleaning the etch gas of Cl2 and HBr absorbed to the surface of the wafer while using the deionized water of a plasma state. CONSTITUTION: The buffer chamber(56) is prepared. The dry etching for a polysilicon layer on the wafer is performed by using the etch gas of a plasma state in a process chamber, connected to a predetermined portion of the buffer chamber. A cleaning process in which the vaporized deionized water is transformed into a plasma state and the surface of the wafer is cleaned is performed in a cleaning chamber(66) connected to another portion of the buffer chamber. The wafer is loaded/unloaded into/from a loadlock chamber connected to another portion of the buffer chamber.
Patent KR-20030062798-A (KR)
Inventor: PARK HEON GEON
IPC: H01J11/26
Filed: 2002-01-19
Abstract: PURPOSE: A plasma display panel is provided to improve the video quality of the plasma display panel by arranging and intersecting address electrodes with a zigzag pattern. CONSTITUTION: A plasma display panel includes a first and a second sustain driving blocks(52,54) for driving the first electrode(Y), a third sustain driving block(56) for driving the second electrode(Z) and a first and a second address driving blocks(58,60) for driving the address electrode(X). The plasma display panel further includes an upper portion(62), a lower portion(64) and a panel(50). In the plasma display panel, the first sustain driving block(52) drives the first electrodes(Y1 to Ym/2) formed on the upper portion(62). The second sustain driving block(54) drives the first electrodes(Ym/2+1 to Ym) formed on the lower portion(64). And, the third sustain driving block(56) drives the second electrodes(Z1 to Zm) formed on the upper portion(62).
Patent KR-20030063795-A (KR)
Title: Lottery service system based on position and method thereof
Inventor: KIM TAE GEUN
IPC: H04W4/02
Filed: 2002-01-24
Abstract: PURPOSE: A position based lottery drawing event service method and system is provided to offer a free lottery drawing service to mobile terminals located within a specific area so that it can induce mobile terminal users to visit near stores. CONSTITUTION: The system comprises a service controller(10), databases(11, 12, 13), a cell broadcaster(50), a short message sender(40), a mobile network switch(70), and an HLR(Home position Register, 30). The service controller(10) sends a lottery ticket to mobile terminals located within a specific area, draws the lottery ticket according to a lottery ticket acceptance message from the terminal, and sends a prize winning message to a lottery ticket winner. The databases(11, 12, 13) store data on base stations within a certain range of a position set by a service subscriber, data on lottery ticket acceptance terminals, and data on lottery ticket winners. The cell broadcaster(50) broadcasts messages on a lottery ticket drawing to mobile terminals in response to a message transmission request of the service controller(10). The short message sender(40) sends the lottery ticket drawing response result to the service controller(10), and sends a prize winning message to a lottery ticket winner based on position data. The mobile network switch(70) switches messages between the base stations and the short message sender(40). The HLR(30) checks a current position of a lottery ticket winner according to a position check request of the short message sender(40).
Patent KR-20030064551-A (KR)
Title: Air pressure unit of Refrigerator
Inventor: CHO SEONG HO
IPC: A23N7/08
Filed: 2002-01-28
Abstract: PURPOSE: A pressurizing device of cool air for a refrigerator is provided to keep temperature distribution uniform and improve the performance by increasing the discharge amount of cool air with forcibly supplying cool air to a multi-duct. CONSTITUTION: A cool air pressurizing device of a refrigerator comprises a damper cylinder(30) connecting with a blowing chamber and having a cool air supply port(30a) feeding cool air to a multi-duct and a cool air discharge port(30b) discharging cool air to a refrigerator compartment; a piston(32) sucking cool air from the blowing chamber into the damper cylinder, and pressurizing cool air through the cool air supply port to the multi-duct; an actuator operating the piston; a check valve(301) formed between the blowing chamber and the damper cylinder for transferring cool air to the damper cylinder; an opening lid(302) closing or opening the cool air supply port and the cool air discharge port in sucking cool air or pressurizing; a temperature sensor measuring temperature of the storage space; and a microcomputer controlling the actuator corresponding to change of temperature of the refrigerator compartment. Cool air is distributed evenly by increasing the discharge amount of cool air from the multi-duct.
Patent KR-20030065243-A (KR)
Title: Tile bonded light-weight block
Inventor: LEE YONG JAE
IPC: E04C1/40
Filed: 2002-02-04
Abstract: PURPOSE: A lightweight block unified with a tile is provided to heighten productivity by shortening the time required for a manufacturing process using a metal mold. CONSTITUTION: The lightweight block unified with a tile comprises: a lightweight stone block(4) made with cement, sand and lightweight aggregate and provided with a straight groove(6) to fasten with the bottom for construction; and many tiles(2) attached on the top of the block in one.
Patent KR-20030066147-A (KR)
Inventor: CHOI SE HEON
IPC: F25B9/00
Filed: 2002-02-04
Abstract: PURPOSE: A piston assembly of a cooler is provided to simplify a combining operation of a piston and a magnet sleeve and accordingly to increase productivity. CONSTITUTION: A piston assembly(10) of a cooler comprises a magnet sleeve(20) formed in a hollow cylinder shape with a constant thickness and a plurality of magnets(21) attached on the cylindrical outer peripheral surface of the magnet sleeve, a hollow cylindrical piston(30) insert-mounted in a hollow hole of the magnet sleeve, and a hollow disk-shaped stainless hollow ring(40) forcibly inserted and fixed to the piston to locate between the magnet sleeve and the piston. The stainless hollow ring is welded and conjugated with the same kind of the magnet sleeve to make the magnet sleeve and the piston into a mutually fixed assembly.
Patent KR-20020067631-A (KR)
Title: Baby carriage
Inventor: SUZUKI YOSHIYUKI
IPC: B62B7/06
Filed: 2002-02-08
Abstract: PURPOSE: A baby carriage is provided to be folded three times and to include an U-shaped lever on a baby carriage body. CONSTITUTION: A baby carriage is composed of parallel right and left pipes(17), a pair of armrests(16) each having one end pivotally joined to the pipe, a pair of front legs(12) pivotally joined to the armrests, respectively, a pair of front legs pivotally joined to the armrests and formed front wheels(11) at the lower ends of the armrests, respectively, a pair of back legs(14) pivotally joined to the armrests, respectively, and provided back wheels(13) at the lower ends of the armrests, respectively, and locking members(26) for locking together the back legs and the corresponding pipes. The baby carriage folds the front legs and the back legs substantially in parallel in three by turning the armrests upward relative to the pipes. A substantially U-shaped handle(15) has right and left side parts extended on the outer side of the pipes and is joined pivotally to back leg supporting members(23) fastened to the lower end parts of the right and the left pipe.
Patent KR-20030069458-A (KR)
Title: Method for manufacturing liquid crystal display device
Inventor: JUNG SEONG SU
IPC: G02F1/13
Filed: 2002-02-20
Abstract: PURPOSE: A method for manufacturing a liquid crystal display is provided to improve the productivity by reducing time required for a process before joining two substrates, efficiently operate the production line by processing first and second substrate in balance, and prevent a sealant from being contaminated by particles. CONSTITUTION: A second substrate on which a sealant is applied is fixed on an upper stage of a vacuum joining chamber(31S). A first substrate on which liquid crystal is dropped is fixed on a lower stage of the vacuum joining chamber(32S). A substrate receiver is placed under the second glass substrate(33S). The vacuum joining chamber is vacuumed(34S). The upper and lower stages fix the first and second glass substrates by an ESC(Electric Static Charge)(35S). The substrate receiver is returned to the original position(36S). The upper stage is descended to press the first and second glass substrates to join the first and second glass substrates together(37S). The sealant is cured by applying ultraviolet rays to the sealant to fix the first and second glass substrate(38S). The fixed glass substrates are unloaded(39S).
Patent KR-20020070825-A (KR)
Inventor: HARADA MUNEHIRO
IPC: C08L25/06
Filed: 2002-02-27
Abstract: PURPOSE: To provide a conductive resin composition which hardly generates burr or chips during cutting or punching. CONSTITUTION: This resin composition is prepared by compounding (A) 100 pts.wt. styrene resin with (B) 5-50 pts.wt. conductive agent and (C) 11-44 pts.wt. impact modifier and has an MI of 3.5 g/10 min or higher. The impact modifier (C) may be (C1) a thermoplastic styrene elastomer, (C2) a thermoplastic olefin elastomer, (C3) a thermoplastic polyester elastomer, or the like. The conductive agent (B) may be carbon black. The composition is excellent in antistatic properties, has a surface resistivity of 1x10¬11 ω/square or lower, and, when molded, gives a sheet or a molded article suitable as a container or a packaging material for containing or transporting electronic parts.
Patent KR-20030072125-A (KR)
Title: Input over voltage protection of power conversion systems
Inventor: LEE JEONG PYO
IPC: H02H7/09
Filed: 2002-03-05
Abstract: PURPOSE: A rectifier circuit is provided to be capable of performing a function of protecting an input overvoltage by placing a braking resistor between a contactor, a DC reactance and a filter condenser. CONSTITUTION: An initial starting switch(Tr1) prevents an inrush current at supplying of a power from a converter and adjusts a turn-on ratio when an overvoltage is received. An electronic contactor(MC) separates the starting switch from a circuit after the inrush current is suppressed and becomes off when the overvoltage is received. DC reactance(L) and filter condenser(C) are connected to the contactor to smooth a DC voltage. A V/f PWM controller(10) has voltage and frequency values from a main controller and generates a PWM waveform to be applied to gates of switches as a switching voltage. A braking device(12) has a braking resistor(DB R) between the DC reactance and filter condenser and the contactor to consume an energy when the DC voltage is over a predetermined voltage.
Patent KR-20020026507-A (KR)
Inventor: KANG GYEONG DON
IPC: C12Q1/37
Filed: 2002-03-06
Abstract: PURPOSE: A method for the enzyme hydrolysis of sericine and a reactor used therefor are provided, therefore the high purity, low molecular weight sericine can be obtained and used enzyme can be reused, so that the low molecular weight sericine can be cheaply obtained. CONSTITUTION: The method for the enzyme hydrolysis of sericine comprises the steps of: partially hydrolyzing a fiber to expose hydroxyl group (-OH) and carboxyl group(-COOH) on the surface of the fiber; activating the surface of the fiber using a cross-linking agent; fixing an enzyme on the activated surface of the fiber; loading the fiber in two separate enzyme reactors; and circulating a sericine solution into the enzyme reactors to decompose the sericine, in which the fiber is polyester or nylon, the cross-linking agent is glutaraldehyde, and the enzyme is trypsin or alpha-chymotrypsin(wherein, the trypsin is fixed on a first enzyme reactor and the alpha-chymotrypsin is fixed on a second enzyme reactor).
Patent KR-20030077104-A (KR)
Title: An apparatus for inspecting the surface of strip
Inventor: KIM JONG JAE
IPC: B21B38/00
Filed: 2002-03-25
Abstract: PURPOSE: An apparatus for inspecting the surface of steel sheet is provided to simply and accurately inspect fine roll marks and foreign matter marks transferred onto the surface of the steel sheet by wiping the steel sheet so that roughness is formed on the surface of the steel sheet when proceeding the steel sheet in a direction from uncoiler. CONSTITUTION: The apparatus for inspecting the surface of steel sheet comprises a front part(10) for removing rolling oil and foreign materials on the front of the steel sheet by comprising first wiping roller(14) and first sand block whose left and right ends are back and forth movably assembled into upper and lower guiders(12,13) of first frame(11) so that the first wiping roller(14) and first sand block are parallel to a width direction of the steel sheet, and upper and lower horizontal cylinders(16,17) for reciprocating the first wiping roller(14) and first sand block back and forth so that the upper and lower horizontal cylinders(16,17) are contacted with the front of the steel sheet; a rear part(20) for removing rolling oil and foreign materials on the rear of the steel sheet by comprising second wiping roller and second sand block(25) whose left and right ends are vertically movably assembled into second frame(21) so that the second wiping roller and second sand block(25) are parallel to a width direction of the steel sheet, and a vertical cylinder(26) for reciprocating the second wiping roller and second sand block(25) vertically so that the vertical cylinder(26) is contacted with the rear of the steel sheet; and an inspection part(30) for inspecting the surface of the steel sheet by comprising first and second magnifying glasses for magnifying a portion light by first and second lighting lamps(33,34) for lighting up front and rear surfaces of the steel sheet brightly, and first and second cameras(35,36) for photographing the magnified surface of the steel sheet.
Patent KR-20020077813-A (KR)
Inventor: FUKUSHIMA HISAMI
IPC: A01C11/02
Filed: 2002-03-27
Abstract: PURPOSE: To facilitate a driving operation by improving the operability of a shifting mechanism in a power agricultural machine that converts rotational power of a drive source in a continuously variable transmission and a stepped transmission to transmit it to a traveling part and a working part. CONSTITUTION: The stepped transmission is divided into a main speed change part for changing the transmission ratio of rotational power stepwise and a forward/reverse speed change part for changing the rotation direction of rotational power. A shift of the continuously variable transmission and a shift of the forward/reverse speed change part of the stepped transmission are triggered with a common operating element 32.
Patent KR-20030082765-A (KR)
Title: Transdermal drug delivery matrix type system contained hydroquinone and cosmetic ingredients
Inventor: LEE HAE BANG
IPC: A61Q19/08
Filed: 2002-04-18
Abstract: PURPOSE: Provided are a transdermal composition for the skin care containing hydroquinone and a matrix typed transdermal application containing the same which have skin whitening and antiaging effects. CONSTITUTION: A transdermal application is characterized by comprising a support layer(1) to prevent the permeation of drugs; an auxiliary drug layer(2) that is fixed to the support layer and selected from natural rubber, a styrene-isoprene-styrene copolymer and polyisoprene; a matrix layer(3) that is fixed to the auxiliary layer and contains 0.01-5 wt.% of hydroquinone or its derivative, 0.01-10 wt.% of catechin, kojic acid or hyaluronic acid, 0.01-50 wt.% of a permeation facilitor, 30-80 wt.% of an adhesive and 5-10 wt.% of an antioxidant; and a releasable layer(4) that is attached to the upper part of the matrix layer.
Patent KR-20030017312-A (KR)
Title: Electrically conductive member and image forming apparatus equipped with the same
Inventor: FUNABASHI EIJI
IPC: G03G21/00
Filed: 2002-04-19
Abstract: PURPOSE: An electrically conductive member and an image-forming apparatus with the same are provided to simply form a desired nip at a low cost and prevent contamination and deterioration of a photosensitive member or an intermediate transfer member. CONSTITUTION: An electrically conductive member(100), for use in an image forming apparatus, comprises a cylindrical base body(120), and electrically conductive powder(130) sealed inside of the cylindrical base body. An electrically conductive member comprises a cylindrical base body, and electrically conductive powder sealed inside of the cylindrical base body so as not to completely fill the inner volume thereof. An electrically conductive member comprises a cylindrical base body, and electrically conductive powder sealed inside of the cylindrical base body at a fill fraction in the range of from 20 to 95% of the inner volume thereof. An image-forming apparatus is equipped with one of the electrically conductive members.
Patent KR-20030001235-A (KR)
Inventor: FUKUMOTO MAKOTO
IPC: G11B7/125
Filed: 2002-04-19
Abstract: PURPOSE: To set a reference value β when executing optimization for record power(OPC) in an optical disk device. CONSTITUTION: Test data is recorded on the test area (PCA) of the optical disk 100 by variously varying the record power and then reproduced by a signal processing part 16. The value β of a reproducing RF signal in each record power from a reproducing signal is calculated and then the inclination of the value β to the record power and the change rate of the inclination are calculated in a control part 14. A range that the change rate of the inclination is lower than a predetermined value is judged as a range that heat waveform distortion is generated, and the reference value β is selected from a range that the heat waveform distortion is not generated and then the data of the record power that can obtain this reference value β is recorded as optimum record power.
Patent KR-20030083969-A (KR)
Title: The system and method for measuring the warp of a hot-rolled Sheets using the vision system
Inventor: JUNG YEONG HUN
IPC: B21B38/00
Filed: 2002-04-24
Abstract: PURPOSE: A method and an apparatus for measuring warp of hot rolled strip using vision system are provided to measure warped images of hot rolled strip using vision system including one CCD camera and transmit the measured images to display unit remotely positioned through transmission part so as to calculate warping of the strip. CONSTITUTION: The apparatus comprises a measuring part for measuring images of warp of hot rolled strip(2) using a high sensitive CCD camera(4) to which polarizer filter is adhered in order to measure warp of the hot rolled strip; a repeater(6) for transmitting signals of the warp images of the hot rolled strip to the display part positioned in a long distance from the repeater; and a display part(7) for calculating warping of the hot rolled strip by receiving the signals of the warp images of the hot rolled strip from the repeater, wherein the CCD camera(4) is installed in such a way that the central line of the CCD camera(4) passes through the hot rolled strip.
Patent KR-20030084498-A (KR)
Title: Semiconductor device for enhancing test of confidence limits
Inventor: YOO NAM GYU
IPC: H01L21/66
Filed: 2002-04-27
Abstract: PURPOSE: A semiconductor device is provided to be capable of improving the test of confidence limits by using an improved fuse layout. CONSTITUTION: A fuse box is formed on a fuse part for blowing a fuse. A fuse guard ring is formed at peripheral region of the fuse box for preventing moisture from attacking into a peripheral circuit via the fuse box. At this time, the fuse guard ring maintained to the floating state for applying the same voltage into the fuse guard ring and the fuse. The fuse is made of titanium nitride.
Patent KR-20030088225-A (KR)
Title: Nozzle structure of defroster for automobile
Inventor: YOEN DONG WON
IPC: B60H1/08
Filed: 2002-05-13
Abstract: PURPOSE: A structure of a nozzle of a defroster of an automobile is provided to improve defrosting performance and reduce noise by reducing channel resistance, and to allow easy assembly and coupling. CONSTITUTION: A structure comprises a windshield glass part(10) having hot air outlets(11) formed on an upper side thereof to face a front side of a windshield glass, and hot air inlets(12) formed on a lower side thereof to have bottoms(13) divided appropriately for distribution of wind volume, and sectored into at least one body; and a side door glass part(20) having bent parts(24) allowing flow of hot air to be changed and shaped to be smoothly curved. Housings of the windshield glass part are installed on a center of the bottoms of the hot air inlets to face each other so as to allow the side door glass part to be easily coupled. A channel(23) of a hot air inlet(22) of the side door glass part is formed to get narrower upward so as to prevent the side door glass part from separating upward. Screw coupling parts(25) are formed on both sides of the hot air inlet of the side door glass part so that the side door glass part is assembled and mounted to the center of the bottoms of the windshield glass part and coupled by screws.
Patent KR-20020090297-A (KR)
Inventor: AKAMATSU SHUNJI
IPC: F02D9/10
Filed: 2002-05-17
Abstract: PURPOSE: To provide an intake air amount control device for an engine in which the processing of a throttle body and the production of an assembly comprising an idle air control valve, an actuator and a throttle sensor can concurrently be performed to contribute to the improvement of productivity. CONSTITUTION: A synthetic resin-made casing 10 is attached to a throttle body 1 as a separate body in one end side of a valve shaft 4 of a throttle valve 3. Further, the idle air control valve 25, the actuator 26 and the throttle sensor 37 are installed in the casing 10.
Patent KR-20030089823-A (KR)
Title: Hands-free Apparatus for Wireless Terminal Using Bone Conduction Device
Inventor: HAN SANG GIL
IPC: H04B1/38
Filed: 2002-05-20
Abstract: PURPOSE: A handsfree system using bone conduction elements in a wireless terminal is provided to conveniently execute a telephone call even at a noisy place by configuring the speaker and microphone of a handsfree system by using bone conduction elements. CONSTITUTION: A handsfree system(100) using bone conduction elements in a wireless terminal(10) is comprised of a control unit(20), a bone conduction speaker(30), and a bone conduction microphone(40). The control unit(20) amplifies a voice signal received to the wireless terminal(10) and a vibration signal inputted through the bone conduction microphone(40) and adjusts the sensitivity. The bone conduction speaker(30) converts the voice signal, amplified and outputted from the control unit(20), into a vibration signal. Also the bone conduction speaker(30) delivers the vibration of the user's skull to the inner ear so that the user can sense the vibration as a voice. The bone conduction microphone(40) converts a vibration signal, generated when the user pronounces, into an electrical signal and inputs it to the control unit(20).