baber/WOPTO huggingface dataset:
Patent KR-20010028730-A (KR)
Title: Method for forming bit line of semiconductor device
Inventor: SEO JAE BEOM
IPC: H01L21/3205
Filed: 1999-09-22
Abstract: PURPOSE: A method for manufacturing a bit line of a semiconductor device is provided to simplify a manufacturing process and to prevent misalignment, by defining a bit line contact and the bit line while using a mask once. CONSTITUTION: After an oxide layer(12) for interlayer dielectric and a nitride layer(13) are sequentially formed on a semiconductor substrate(11) having a device and the nitride layer in a region for a bit line is etched by a photolithography process, the oxide layer is etched by a predetermined depth. The first polysilicon layer(14) and a silicide layer as electrode materials are sequentially formed on the resultant structure, and are etched back using the nitride layer as an etch blocking layer to form a silicide sidewall on a side surface of the etched oxide layer while the oxide layer in a region where the sidewall is not formed is selectively exposed. The exposed oxide layer is etched by using the nitride layer and the silicide sidewall as a mask until the semiconductor substrate is exposed, to form a bit line contact hole. The second polysilicon layer(17) is formed and planarized on the resultant structure to form the bit line.
Patent KR-20010036728-A (KR)
Title: Semiconductor circuit
Inventor: KANG SIN SEOK
IPC: H01L21/60
Filed: 1999-10-11
Abstract: PURPOSE: A semiconductor circuit is provided to prevent a latch-up phenomenon and to reduce a chip area, by separating input/output parts and an internal circuit by an N-type guard ring region under a bonding pad. CONSTITUTION: An internal circuit(22) is formed in a central portion of a semiconductor substrate(21) of the first conductivity type. A guard ring region(23) of the second conductivity type surrounds the internal circuit, separated from the internal circuit by a predetermined interval. A plurality of bonding pads(24) are formed on the guard ring region, separated from each other by a predetermined interval. A plurality of input/output parts(25) are formed on the bonding pad.
Patent KR-20010036958-A (KR)
Inventor: HAN IM TAEK
Filed: 1999-10-12
Abstract: PURPOSE: A method for providing an internet advertisement on a homepage is provided to enable a netizen to purchase a commodity easily by applying an image displaying a geographical position and providing characters of detail information by clicking the image. CONSTITUTION: Images displaying at least one geographical positions are provided on a homepage. Characters classified by commercial businesses are provided on a screen of the homepage by clicking one image displaying a geographical position. Advertisements for an internet advertising of the corresponding business are provided on a screen of the homepage by clicking one image classified by commercial businesses. A click unit displaying a commodity for offering to a user who has searched and clicked the unit may be provided on one screen out of the screens. The click unit may be one or a combination selected out of characters displaying a commodity, an image photographing the commodity and a figure file drawing the commodity. It is desirable that the click unit is an image displaying a movable property or a real property. The click unit may be an image displaying an electronic money.
Patent KR-20010038858-A (KR)
Inventor: KIM HONG GEOL
IPC: B21D5/08
Filed: 1999-10-28
Abstract: PURPOSE: A bending up device executes edge bending work of a binding band fixing adjuncts to a telegraph pole and prevents twisting phenomenon. CONSTITUTION: A bending up device(10) comprises a guide member(50), a pair of first leveling rollers(60), a pair of second leveling rollers(62) and a press(70). The guide member(50) is installed on one end of a leveling frame(45) to guide a binding band(20) primarily bended up by a roll forming device(30) to be inputted. The first leveling rollers(60) are installed to the upper end of the leveling frame(45) to bend up the binding band(20) delivered by the guide member(50) secondarily. The second leveling rollers(62) are installed to the other side of the first leveling rollers(60). The press(70) is installed to the other end of the of the leveling frame(45) to form the front end of the binding band(20) bended up by the first leveling rollers(60) and the second leveling rollers(62) and delivered.
Patent KR-20010045498-A (KR)
Inventor: JUNG SEOK GYU
IPC: B60T8/32
Filed: 1999-11-05
Abstract: PURPOSE: A driving force increasing system supplies braking force to a driving car wheel where a slip occurs on driving to prevent driving force from falling. CONSTITUTION: A system comprises a throttle position sensor(100), a car speed sensor(400), a left side and a right side car wheel speed sensors(200, 300), a control part(500), a motor(600), a hydraulic pressure generator(700) and a left side and a right side brakes(800, 900). The control part(500) determines a car wheel where a slip occurs by analyzing car speed and car wheel speed when a slip occurs and controls to supply braking force to the car wheel where slip occurs to prevent slip. The brakes(800, 900) supply braking force to car wheels to remove slip.
Patent KR-20010046204-A (KR)
Title: Guide apparatus for winding wirerod
Inventor: CHOI SEUNG DONG
IPC: B21C19/00
Filed: 1999-11-11
Abstract: PURPOSE: A guide apparatus for coiling wire rods is provided to perform coiling work of the wire rods more smoothly and improve quality of the coiled wire rods. CONSTITUTION: The guide apparatus for coiling wire rods comprises a drawing part (50) equipped with a base installed according to a wire rod transferring line, a drawing means (30) which is gap controllably installed according to a diameter of a wire rod (10) manufactured on the base for drawing the wire rod (10), and a plurality of guide bars (40) installed in the front and rear sides of the drawing means (30); and a guide part (90) equipped with a guide base (60), a roll fixing member (70), and a guide means, wherein the guide base is rotationally installed to an angle of certain degrees at the front of the base, wherein support rolls (72) are installed at the front and rear sides of the upper part of the guide base (60) for supporting the transferring of the wire rod (10), the support rolls (72) are installed in the roll fixing member (70), and wherein the guide means is detachably installed at the front and rear sides of the roll fixing member (70).
Patent KR-20010046751-A (KR)
Inventor: CHA SEUNG SIK
IPC: F04B23/00
Filed: 1999-11-15
Abstract: PURPOSE: An electromagnetic pump protective filter is provided to protect the electromagnetic pump from polluted water and improve operational efficiency of cooler/heater by arranging a plurality of filtering members between the water tank and the electromagnetic pump. CONSTITUTION: A cooler/heater(1) includes a blower(2) and an evaporator(21) installed in the inner upper portion of the cooler/heater, a cooling condenser(31) installed in the center portion of the cooler/heater, and a water tank(41) and a compressor(51) installed in the inner lower portion of the cooler/heater. A four-way valve(200) is mounted at a refrigerant feed pipe(52) of the compressor, and a refrigerant feed pipe(52') is connected to the evaporator through a heat exchanger(32) installed within the cooling condenser. A capillary tube(300), a check valve(400) and a super-cooling unit(61) are mounted at the refrigerant feed pipe(52'). A capillary tube(71) is arranged between the refrigerant feed pipe(52') and the evaporator, such that the refrigerant flows into the evaporator during cooling operation. A plurality of filters(10) are arranged between the water tank and the electro-magnetic pump, such that the number of filters corresponds to the number of the electro-magnetic pumps. The water stored in the water tank is purified while the water is being pumped by the electro-magnetic pump, to thereby protect the electro-magnetic pump from polluted water.
Patent KR-20010048399-A (KR)
Inventor: LEE CHUNG YEOL
IPC: B62D25/20
Filed: 1999-11-26
Abstract: PURPOSE: A floor structure secures a multi purpose space to accommodate objects, simplifies structure thereof and minimizes increase of weight. CONSTITUTION: Fixing holes(10b, 14b) are formed on an upper placing surface(10a) of a front seat cross member(10) and a placing surface(14a) of a rear floor(14) respectively. Double staged floor(16) with objects accommodating opening(16a) formed on the upper surface thereof is placed on the placing surfaces(10a, 14a) of the front seat cross member(10) and the rear floor(14) and fixed to the fixing holes(10b, 14b) by a screw(18). As the double staged floor(16) is installed using the front seat cross member(10), the structure is simplified and the weight is reduced.
Patent KR-20010048673-A (KR)
Inventor: MIN BU HONG
IPC: H01L21/3213
Filed: 1999-11-29
Abstract: PURPOSE: A method for manufacturing a pad of a semiconductor device is provided to simplify a manufacturing process and to increase productivity, by etching an anti-reflecting coating(ARC) layer and a passivation layer at a time to expose a metal layer forming a pad. CONSTITUTION: An intermetal dielectric(23) is deposited on a semiconductor substrate(21) having a metal interconnection(22) connected to a device. The intermetal dielectric is etched to expose a part of the metal interconnection. A barrier layer(24), a metal layer(25) and an anti-reflecting coating(ARC) layer(26) are sequentially formed on the entire surface of the resultant structure. A part of the ARC layer, the metal layer and the barrier layer is etched to form a pad. A low temperature oxide layer(27) and a low temperature nitride layer(28) are sequentially formed on the resultant structure. The low temperature nitride layer, the low temperature oxide layer and the ARC layer are etched to expose a metal layer where a pad is to be formed by a photolithography process.
Patent KR-20000017772-A (KR)
Inventor: LIM HAN BOK
IPC: H05B3/40
Filed: 1999-12-02
Abstract: PURPOSE: A buried type electric heater is provided to decrease a waste of electricity and prevent a defect of a component due to corrosion by preventing a leak current. CONSTITUTION: A buried type electric heater comprises a tube type body(110), a hotwire(120), a pair of hot wire extension portion(140), a power line(180), a pair of hot wire connection portion(170), a pair of protection tube(190), a filling material, a protection cap(160) and a sealing material(150). The hot wire is located so as to pass through the inside of the tube type body horizontally. A pair of hot wire extension portion is connect to the both end of the hot wire. The power line is coated. A pair of hot wire connection portion connect electrically the power line and the each of the hot wire extension portion. A pair of protection tube is located so as to surround the outer circumference of each of the hot wire extension and connection portion. The filling material is filled inside of the tube type body. The protection cap is composed of hollow body covering the outside of both end of the tube body. The sealing material is filled in a space formed by the protection cap and the end surface of filling material.
Patent KR-20010054155-A (KR)
Inventor: CHOI JONG SEONG
IPC: H04N21/2225
Filed: 1999-12-03
Abstract: PURPOSE: A local digital television signal generating apparatus is provided to be capable of generating an RF signal of advanced television system committee(ATSC) rule suitable for a test or a demonstration. CONSTITUTION: A local digital television signal generating apparatus includes a vestigial side band(VSB) signal reproducer(200). The VSB signal reproducer(200) includes a download unit(204) for downloading data from an external device storing data for digital broadcasting, a storage(201) for storing the downloaded data, a VSB remodulator(202) for VSB-modulating the stored data at the storage to produce RF signals, a control unit(203) for controlling downloading of the download unit(204) and VSB modulation of the VSN remodulator(202), and a microcontroller(205) for controlling and reading of data stored at the storage(201).
Patent KR-20010056720-A (KR)
Inventor: HWANG SEON HO
IPC: B29D23/00
Filed: 1999-12-16
Abstract: PURPOSE: A method for preparing a rubber hose by using a mandrel made of a shape-memorizing alloy is provided which improves workability and productivity due to excellent inserting property and releasing property by using the mandrel made of the shape-memorizing alloy. CONSTITUTION: The method comprises steps of: (i) after shape-memorizing a mandrel made of a shape-memorizing alloy at more than phase transition temperature, automatically restoring to the originally memorized shape; (ii) shape-treating the mandrel made of a shape-memorizing alloy at less than phase transition temperature to freely transform the shape; and (iii) after extruding a non cross-linked hose having an inner diameter of 5-9 millimeter, inserting the mandrel into the hose and cross-linking them in a cross-linking pipe or a heating oven at a temperature of 100-160 deg.C to be transformed to the originally memorized shape.
Patent KR-20010056904-A (KR)
Inventor: JUNG GI GWON
IPC: H01L23/34
Filed: 1999-12-17
Abstract: PURPOSE: An apparatus for curing a semiconductor package and a curing method using the same are provided to prevent warpage of a semiconductor package in a curing process after performing a molding process. CONSTITUTION: A curing oven has an inner space to provide a temperature condition for performing stably a curing process of a molding resin during a predetermined time. A compressor(14) is installed within the curing oven to compress a plurality of lead frame strip(24) loaded on a magazine(20). The compressor(14) prevents the warpage of a semiconductor package during the curing process. The compressor(14) is formed with a compressing plate(16) for compressing the lead frame(24) and a plurality of driving shaft(18) for driving the compressing plate(16).
Patent KR-20010064813-A (KR)
Inventor: AHN GI HWAN
IPC: H04B1/7097
Filed: 1999-12-18
Abstract: PURPOSE: A method for varying an interference cancellation weight is provided to vary an interference cancellation weight in the range of the values of several intermittent steps according to the variations of an error value obtained from an output port. CONSTITUTION: A user initializes an interference cancellation weight(p)(201). The user confirms an MSE(Minimum Square Error) shown in the output port of an interference canceller(202) and judges whether there has been a change(203). If a change has been generated, the user confirms whether the MSE was increased(205). If it is judged that the MSE was increased, the user checks whether the current interference cancellation weight(p) is '0'(206). In case that the current interference cancellation weight(p) is not '0', the user decreases the interference cancellation weight(p) by a level(207). However, in case that the current interference cancellation weight(p) is '0', the user maintains the current interference cancellation weight(p)(208).
Patent KR-20010064895-A (KR)
Inventor: HAN BYEONG HUN
IPC: A47L15/46
Filed: 1999-12-20
Abstract: PURPOSE: A pre-washing method of a dish washer is provided to improve the washing efficiency at an initial washing by melting an appropriate detergent in washing water. CONSTITUTION: A microcomputer(7) contains a door state discriminating unit(71); an initial power on discriminating unit(72); a rinsing water temperature discriminating unit(73); a first water level discriminating unit(74) to discriminate a filling with water; a timer(75); a preparation executing unit(76); and a pre-washing executing unit(77). A detergent of specific amount is melted in washing water by operating a washing pump and a detergent supply motor before a washing stand-by step after finishing a supply of the washing water. Dishes are washed with the washing water melting the detergent. Thereby, the washing efficiency is improved.
Patent KR-20010064995-A (KR)
Inventor: CHOO DONG GYUN
IPC: B22D11/06
Filed: 1999-12-20
Abstract: PURPOSE: A method for manufacturing steel billet in a twin roll type strip casting is provided which manufactures uniformed steel billet in the width direction of casting rolls by uniformly solidifying the steel billet in the width direction thereof to the utmost. CONSTITUTION: In a method for manufacturing steel billet using a twin roll type strip caster equipped with a cylinder part comprising a sleeve on the surface of which a coating layer is formed; two rolls (20,20') comprising a shaft part connecting both side parts of the cylinder part, wherein the two rolls are oppositely installed; and a meniscus shield (60), the method comprises the process of performing the casting as coating the recovered fume in the width direction of the rolls at a position where the rolls are not contacted with molten steel for the roll surface that is excluded as much as a width of the hot band of steel billet (50) from the edge after recovering fume (61) generated from molten steel inside the meniscus shield.
Patent KR-20010060828-A (KR)
Inventor: KIM WON SIK
IPC: G02F1/00
Filed: 1999-12-28
Abstract: PURPOSE: An apparatus for cleaning a sealant for a glass substrate polymerization in a liquid crystal display device is to prevent a damage of a sealant by cleaning the sealant in a non-contact method. CONSTITUTION: A cleaning chamber(10) has an inlet tube and an outlet tube. A gas filter is installed in the inlet tube. A gas supplying unit(20) supplies a cleaning gas through the inlet. A pair of rotation axes are arranged in a direction perpendicular to a gas flowing direction. A belt(21) connected between the rotation axes rotates in a form of an endless track. A supporting axis for supporting a sealant is mounted in an equal interval in a direction perpendicular to an axis direction of the rotation axis. Due to a waving of the cleaning gas, an alien substance is extracted from the sealant and exhausted together with the cleaning gas through the outlet tube.
Patent KR-20010061234-A (KR)
Inventor: KIM JU HWAN
IPC: F01M13/00
Filed: 1999-12-28
Abstract: PURPOSE: An engine breather system is provided to make assembling and mounting easy by compacting structure and to cut down production costs. CONSTITUTION: An engine breather system includes a rocker cover(21), a baffle tube(30) installed in the rocker cover, and a connector(40) combined to the baffle tube. The blow-by gas in the rocker cover flows up along the rubber baffle tube and passes through a first discharge port(31) in the baffle tube. Then, oil components(33) in the blow-by gas fall down and gas components flow up along the baffle tube. While the blow-by gas passes through plural half-round lip members(32) of the first discharge port of the baffle tube, oil components are completely separated from the gas. Thereafter, the gas passes through a second discharge port(41) of the connector and is exhausted to the atmosphere by passing through a connecting hose(22). According to the compact structure, the number of parts is reduced so that assembling and mounting become easy. As oil components are removed, environmental pollution is restrained.
Patent KR-20000017899-A (KR)
Inventor: CHON MIN SIK
IPC: H04M3/42
Filed: 1999-12-28
Abstract: PURPOSE: An advertisement voice mail box is provided to enable a transmitter to leave a message without pay when a communication with a wireless telephone receiver is not made. CONSTITUTION: In the advertisement voice mail box, an advertisement is added in a guidance broadcasting issued when a transmitter wants to leave a message to a receiver at an absence of the receiver. To leave a specific absence circumstance of a receiver to a voice mail box is realized by a key combination such as 'character+number' (#+1), 'number+number' (1+1), or 'character+character' (#+*).
Patent KR-20010058944-A (KR)
Inventor: JUNG SANG CHEOL
IPC: H01L21/336
Filed: 1999-12-30
Abstract: PURPOSE: A method for forming a transistor is to improve the characteristic and reliability of a semiconductor device by forming a trench in a source/drain junction region and burying polysilicon in the trench. CONSTITUTION: An isolation layer is formed in a semiconductor substrate(21) to define an active region. A trench is formed by etching the semiconductor substrate at a predetermined depth. An oxide layer(25) is formed on the entire structure of the semiconductor substrate including the trench. A photoresist pattern is formed by coating a photoresist layer on the entire surface and patterning the photoresist layer through an exposing and developing process using an exposing mask. The oxide layer remains only on the bottom of the trench by etching the oxide layer, using the photoresist pattern as a mask. After forming the photoresist pattern, a polysilicon layer(29) is formed on the entire surface to bury in the trench. A source/drain junction region is formed by evenly etching the polysilicon layer.
Patent KR-20000029765-A (KR)
Title: Selective call radio with contraposed touchpad
Inventor: ARMSTRONG DOUGLAS L
IPC: H04W88/02
Filed: 1997-07-23
Abstract: PURPOSE: A selective call radio with contra posed touch pad is provided efficiently to control the movement of a pointer, or cursor-like object, appearing on the display. CONSTITUTION: A selective call radio with contra posed includes a receiver that couples the received signal to a demodulator, which recovers any embedded information. The recovered information is checked by the decoder, which implements the signal processor that correlates a recovered address with a predetermined address stored in the selective call radio's non-volatile memory. When the addresses correlate, the controller couples message information to the message memory. The selective call radio includes a display(18) mounted to the first surface(14) of the selective call radio housing(12), a means for generating an image capable of being presented on the display(18) that presents the message information, and means for signaling the user via an audible or tactile alert that a message has been received. Software, stored in the non-volatile memory and executed by the microprocessor, produces graphical user interface 20(GUI) on the display 18.
Patent KR-20000068430-A (KR)
Title: 진균항원 및 그의 제조방법
IPC: C07K14/40
Filed: 1997-08-29
Abstract: 세포벽을 실질적으로 제거하였거나 또는 세포벽의 적어도 일부를 제거한 진균세포에서 수득된 불용성 분획인 진균항원, 그 제조방법, 상기 진균항원을 코딩하는 핵산, 상기 진균항원을 함유하는 생물학적 제제, 이 생물학적 제제를 사용하며 면역응답을 자극하는 방법, 진균에 대한 척추동물의 알레르기 반응을 억제하는 방법 및 진균에 의한 척추동물의 질환을 진단하는 방법 등이 제공된다.
Patent KR-20000036118-A (KR)
Title: Molecular contamination control system
Inventor: ROBERSON GLENN A JR
IPC: H01L21/677
Filed: 1997-08-26
Abstract: PURPOSE: A molecular contamination control system is provided for molecular contamination control permit purging an SMIF pod to desired levels of relative humidity, oxygen, or particulates CONSTITUTION: The SMIF pod includes an inlet port including a check valve and filter assembly for supplying a clean, dry gaseous working fluid to maintain low levels of moisture, oxygen, and particulate content around materials contained in the SMIF pod. The SMIF pod outlet port, which also includes a check valve and filter assembly, is connected with an evacuation system. Flow of purge gas inside the SMIF pod can be directed with one or more nozzle towers to encourage laminar flow inside the pod, and one or more outlet towers, having a function similar to that of the inlet tower, may also be provided. The purge gas can be dried by exposure to a desiccant, heated to temperatures between about 100°C and about 120°C, and can be tested for baseline constituent levels prior to or after introduction into an SMIF pod. Multiple SMIF pods can also be purged by a single contamination control base unit.