baber/WOPTO huggingface dataset:
Patent KR-20020002614-A (KR)
Title: Method for forming semiconductor device capable of omitting seed layer etch process
Inventor: KWON SUN YONG
IPC: H01L21/02
Filed: 2000-06-30
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to omit an etching process for removing a seed layer by changing a residing seed region except a lower electrode region into an insulating layer by oxidation process. CONSTITUTION: A seed layer(26) is formed on an interlayer dielectric(22) covering a top of a semiconductor substrate(20). A sacrificial film is formed on the seed layer(26). An opening is formed by etching the sacrificial film, exposing the seed layer(26) on bottom thereof, and defining a lower electrode region. A lower electrode(28) is formed on the seed layer(26) inside the opening. The lower electrode(28) and the uncovered seed layer(26) are exposed by removing the sacrificial layer. An insulating film(26A) is formed by an oxidation process of the seed layer. A dielectric film(29) and an upper electrode(30) are stacked on the lower electrode(28).
Patent KR-20020002929-A (KR)
Title: Method for repairing memory device
Inventor: KOO BON SEONG
IPC: G11C29/00
Filed: 2000-06-30
Abstract: PURPOSE: A repair method of a memory device is provided, which performs a repair by cutting a corresponding fuse by a selective etching without using a laser when repairing a defective memory cell with a redundancy cell. CONSTITUTION: A repair is performed by replacing a defective memory cell with a redundancy cell according to the test result of the memory cell through a probe test. In order to cut a fuse to replace the defective cell with the redundancy cell, a photoresist film(30) is deposited on an insulation layer(20) where a fuse(10) is formed. Then, a repair pattern is formed through an exposure on an upper layer of the fuse to be removed. The insulation layer is revealed by removing the exposed photoresist film through a developing process. Then, the repair is completed by removing the photoresist film after etching the fuse through a selective etching process.
Patent KR-20020004259-A (KR)
Title: Apparatus and method for sensing existence of active gas in air-conditioner
Inventor: KIM GYEONG SIK
IPC: F24F11/00
Filed: 2000-07-04
Abstract: PURPOSE: A refrigerant-existence sensing device of an air conditioner is provided to prevent a compressor from overheating as well as to inhibit unnecessary driving of the compressor if refrigerant is not detected, by sensing the existence of refrigerant. CONSTITUTION: A refrigerant-existence sensing device of an air conditioner consists of a suction temperature sensor measuring the suction temperature of air sucked through a suction port(51) of a cabinet(50); a discharge temperature sensor measuring the discharge temperature of air discharged through a discharge port(53) of the cabinet; and a control unit(65) deciding the existence of refrigerant by comparing the suction temperature with the discharge temperature, and then deciding the running status of a compressor according to the result. If the control unit decides no refrigerant in the compressor, the control unit outputs a no-refrigerant signal through a display window(67A) or an alarming device. Thereby, a user refills the compressor with refrigerant.
Patent KR-20020004425-A (KR)
Title: Cmp slurry and preparation method thereof
Inventor: KIM SEOK JIN
IPC: H01L21/304
Filed: 2000-07-05
Abstract: PURPOSE: A slurry for a CMP(Chemical Mechanical Polishing) and a fabricating method thereof are provided to improve polishing uniformity and reduce defects by using a silica having a large surface area in the CMP process using the silica as an abradant. CONSTITUTION: A silica slurry of a premixed state has a surface area of 100 to 300m¬2 /g in order to improve polishing uniformity of silica. The used silica is a fumed silica. The polishing uniformity of silica is determined by the surface area of the silica. The silica slurry of the premixed state is pressurized by using a high pressure pump. In the pressurizing process, the pressure is 100 to 2500. The pressurized silica slurry passes a chamber having an orifice. The surface area and a temperature of the silica slurry are increased rapidly when the pressurized silica slurry passes a chamber having an orifice.
Patent KR-20020004571-A (KR)
Title: The structure of door switch
Inventor: PARK JE SANG
IPC: H01H3/16
Filed: 2000-07-06
Abstract: PURPOSE: Door switch structure of a refrigerator is provided to keep an indoor lamp of a refrigerator lighted off by controlling a door switch through simple operation of a user, and to promote convenience of a user by lighting on the lamp easily again. CONSTITUTION: A plunger(22) is protruded to an upper surface(21a) of a case(21). A plunger through hole(21b) is formed on the upper surface(21a) of a door switch(20). A plunger guide(27) is formed outside the plunger through hole to prevent the protruded part of the plunger from being damaged by external force and to guide the inlet/outlet path of the plunger. A couple of guide units(28) are formed with the plunger guide therebetween. The guide units are parallel to each other, and protrusions(28a) are formed on each guide unit. A cover(30) is coupled between the guide units, and coupling protrusions(31a) are formed at both ends of the cover. If a door is opened, the plunger is protruded via the plunger through hole and a through hole(32) of the cover. A moving terminal(25) is contacted with a fixed terminal(26). Thereby, an indoor lamp of a refrigerator door is lighted on.
Patent KR-20020006111-A (KR)
Inventor: KIM JONG MIN
IPC: F25C3/04
Filed: 2000-07-11
Abstract: PURPOSE: A full-automatic snow-making system is provided to make artificial snow through automatic control without needing additional manpower for making snow in a skiing ground. CONSTITUTION: A central control unit(2) of a full-automatic snow-making system consists of a PCC(Processor Controller,4), a UPS(Uninterruptible Power Supply,6), a monitor(8), a CPU(Central Processing Unit,11), a printer(10) and an air flow indicator(12). The PCC monitors and transmits the running conditions such as flow of water and air, pressure and temperature to the CPU from each gauge. The air flow indicator displays the measured value from an air flow measurer(20). A TE(Terminal Enclosure,14) is a central concentrated wire panel of a communication wire for managing plural wires(56,58,60,62,64,66) connected with each snow-making unit. Each snow-making unit is connected to the central control unit via the TE to be controlled by the central control unit. Plural automatic valves(36,38,40,42,44) are connected with the central control unit through the wire(64,66). The valves are automatically controlled to make artificial snow through nozzles at a proper mixing ratio of water to air. The central control unit controls the amount of water and air repeatedly by receiving the result of the valves. Thereby, artificial snow is made efficiently.
Patent KR-20020009112-A (KR)
Title: Wide head gate manufacturing method of mos type semiconductor devices
Inventor: KIM HONG SEUP
IPC: H01L21/336
Filed: 2000-07-24
Abstract: PURPOSE: A method for fabricating a wide head gate of a MOS type semiconductor device is provided to reduce a contact resistance by increasing a process margin in a contact formation process. CONSTITUTION: An active region is defined on a semiconductor substrate(11) by a field oxide layer(12). A gate oxide layer(13) is deposited on the active region of the semiconductor substrate(11). The first conductive layer(14) for forming a gate electrode and the second conductive layer(15) are deposited sequentially on the whole surface of the semiconductor substrate(11). A gate pattern(16) for gate electrode is formed on an upper portion of the second conductive layer. The second conductive layer(15), the first conductive layer(14), and the gate oxide layer(13) are etched by an anisotropic etch method using the gate pattern(16) as a mask. The second conductive layer(15), the first conductive layer(14), and the gate oxide layer(13) are overetched by an isotropic etch method. The gate pattern(16) is removed.
Patent KR-20020011257-A (KR)
Title: Shallow trench isolation type semiconductor devices and method of forming it
Inventor: HWANG IN SEOK
IPC: H01L21/762
Filed: 2000-08-01
Abstract: PURPOSE: A method for manufacturing a semiconductor device of a trench isolation type is provided to prevent a dent phenomenon by performing a full back process while performing a trench isolation process, and to improve stability and reliability by making the corner portion of a substrate have a smoothly-curved shape and by preventing a gate oxide layer from being thinly formed on the corner portion of the substrate. CONSTITUTION: An etch protection layer pattern is formed on the substrate(30) to define an active region. The substrate is etched to form a trench by using the etch protection layer pattern as an etch mask. A thermal oxide layer is formed on the sidewall of the trench. The trench having the thermal oxide layer is filled with a chemical vapor deposition(CVD) silicon oxide layer to form an isolation layer(41'). The etch protection layer pattern is eliminated from the substrate having the isolation layer. The thermal oxide layer is eliminated from the upper sidewall of the trench by a thickness of 100-350 angstrom on a basis of the upper surface of the substrate. The gate oxide layer is formed on the active region and the substrate exposed to the upper sidewall of the trench.
Patent KR-20020012810-A (KR)
Title: A manufacturing process of the unbreakable hacksaw blades
Inventor: RIM CHUN SOON
IPC: C21D9/24
Filed: 2000-08-08
Abstract: PURPOSE: A process for manufacturing an unbreakable hacksaw blade is provided to manufacture a strong unbreakable hacksaw blade by instantaneously performing special heat treatment on a material of carbon steel sheet using an apply heat roller and a catalyzer. CONSTITUTION: The process for manufacturing an unbreakable hacksaw blade comprises the process of performing special heat treatment on a hacksaw blade manufactured by cutting and forming a material of carbon steel sheet using an apply heat roller(1), a crank(14), a gear wheel(12), an absorption stick(16) fixed to a lever(13) connected to the gear wheel(12), a catalyzer and a sodium chloride solution, wherein when the crank(14) is operated, the absorption stick(16) connected to the lever(13) is operated side to side as the gear wheel(12) connected to the crank(14) is being operated so that the absorption stick(16) absorbs and put a raw hacksaw blade to a groove(2) of the apply heat roller(1) installed in the sodium chloride solution in a water tank, and then only 2 mm of the blade end part of the hacksaw blade is instantly heat treated and cooled at the same time by the action of electric current between an electrode(6) and a catalyzer which is injected into the groove(2) through a dropper(8) so that a strong unbreakable hacksaw blade is manufactured.
Patent KR-20020014188-A (KR)
Title: Web page sharing and white board system in on-line and It's server method
Inventor: KO DAE SIK
IPC: G06Q99/00
Filed: 2000-08-16
Abstract: PURPOSE: A method for sharing a screen and manufacturing a white board on a network and a servicing method using the same are provided to supply a function capable of being used at all fields requesting an explanation or a common work on a network effectively by performing a white board function independent of the application programs. CONSTITUTION: A screen sharing and white board system(10) performs a function for making a predetermined application program(20) set between two persons to be communicated therewith and contents(41) being inputted from a real time pen input device as a pen mouse be transmitted to the responded person simultaneously on a network, and thus makes a screen(30) be displayed as an overlapped state. Elements of the screen sharing and white board system(10) are described as follows. A module captures an entire screen or a specific application program screen. A module compresses a captured screen for decreasing a transmission amount and decreasing a load of a network. A module transmits compressed screen information to the network as one to multi or multi to multi. A module overlaps and displays functions supplied by a white board on a captured screen. A module processes a movement of an input device as a mouse and transmits the movement to the network. A module overlaps and displays information of a white board received through the network on a screen. A module releases a compression of screen information received through the network. A module displays compression-released screen information on a screen.
Patent KR-20020016340-A (KR)
Title: coupling for pipe joint
Inventor: SEO JU YEONG
IPC: F16L39/00
Filed: 2000-08-25
Abstract: PURPOSE: A pipe coupling is provided to easily joint components used for the piping work without performing a preliminary work with respect to an end of the pipe which is required to connect the components to one end of the pipe. CONSTITUTION: A coupling(30) is provided to connect the first pipe(10) with the second pipe(20). The coupling(30) has a cylindrical hollow shape and is formed with the first insertion part(40a), into which the first pipe(10) is inserted, and the second insertion part(40b), into which the second pipe(20) is inserted. The first insertion hole(41a) having a diameter larger than an outer diameter of the first pipe(10) is formed in the first insertion part(40a). The first resin groove(42a) is formed in the first insertion hole(41a) for receiving adhesive resin(50). The second insertion hole(41b) having a diameter larger than an outer diameter of the second pipe(20) is formed in the second insertion part(40b). The second resin groove(42b) is formed in the second insertion hole(41b) for receiving adhesive resin(50).
Patent KR-20020021838-A (KR)
Title: Quality information sharing system using a network and operating method thereof
Inventor: HONG SUN CHEOL
Filed: 2000-09-18
Abstract: PURPOSE: A system and operation method for sharing the quality data are provided to share maintenance data between a materials supplier and purchaser, and to offer the alternative to the purchaser through the cause and analysis in case of manufacturing a defected product. CONSTITUTION: The supplier enters the data about the quality test of materials, sends the alternative about the defected product to the materials purchaser, and requests the data about the quality evaluation of the materials purchaser through a terminal(110_n) of a materials supplier. A quality data sharing server(130) manages the quality test data of the materials and the alternative of the defected product, and offers the data about the quality evaluation of the materials to the terminal of the materials supplier. The materials purchaser registers the request for the alternative of the defected product and the quality evaluation data to the quality data sharing server. A network(120) connects the quality data sharing server with the terminal of the material supplier and purchaser.
Patent KR-20020024752-A (KR)
Title: Temperature control unit for non-stop operation in semiconductor fabricating apparatus and auto substitution operating method therefore
Inventor: CHA JIN HWA
IPC: H01L21/02
Filed: 2000-09-26
Abstract: PURPOSE: A temperature maintaining apparatus for continuously operating equipment for fabricating a semiconductor is provided to eliminate the necessity for stopping main equipment for fabricating the semiconductor, by guaranteeing the lifetime twice as long as a conventional apparatus and by replacing main parts without stopping the temperature maintaining apparatus. CONSTITUTION: A plurality of pumps(6,7) are installed in parallel in an exhaust line connected to a fluid storing tank(25). A sensor is installed in the plurality of pumps. A self diagnosing unit receives a sensing input from an operating pump among the plurality of pumps and checks the state of the operating pump according to a predetermined program. When a pump replacing signal is generated from the self diagnosing unit, a drive unit stops the operating pump in response to the pump replacing signal and drives a standing-by pump.
Patent KR-20020027051-A (KR)
Title: Method for forming semiconductor device having fuse line parallel to direction of wafer rotation
Inventor: HAN DONG HUI
IPC: H01L21/82
Filed: 2000-10-04
Abstract: PURPOSE: A method for fabricating a semiconductor device wherein a fuse line is in parallel with the rotating direction of a wafer is provided to easily saw a fuse line in a repair process, by making the direction of centrifugal force perpendicular to the direction of the fuse line so that a relatively thick interlayer dielectric is formed on the fuse line. CONSTITUTION: The fuse line(FL) is parallel with the direction that the wafer rotates. At least one interlayer dielectric is applied on the resultant structure while the wafer rotates. A part of the interlayer dielectric on the fuse line is selectively eliminated. A fuse guard ring layer is formed on the interlayer dielectric. The fuse guard ring layer is made of an oxide layer.
Patent KR-20020027901-A (KR)
Title: Seat belt for a motor vehicl
Inventor: LEE HO YEONG
IPC: B60R22/00
Filed: 2000-10-06
Abstract: PURPOSE: A seat belt for a vehicle is provided to reduce a noise due to an interference between a tongue and a pillar of a vehicle body by preventing an interference between the tongue and the pillar of the vehicle body when releasing the tongue from a buckle or in a released state. CONSTITUTION: A seat belt for a vehicle is for restraining a passengers body for a safety as a strip shape member. The seat belt comprise a weaving fixed at lower side of the vehicle pillar, a retractor for winding the weaving, an anchor for varying a proceeding direction of the weaving, a buckle installed at an opposite side of the pillar, a tongue for coupling to the buckle and a separating member(8) for separating the tongue and the pillar. The separating member(8) comprises one of a guide roller(82) and two of a supporting member(84,86). The guide roller(82) is installed rotatably at an axis rod(5a) of an anchor(5). A first arm(83) is extended from both side ends to a radial direction. The second support roller(86) is installed rotatably between both ends of a second arm(85).
Patent KR-20020031592-A (KR)
Title: Method of Providing using Advertisement Marketing Virtual Date Parks in the Internet
Inventor: CHOI SU JOUNG
Filed: 2000-10-21
Abstract: PURPOSE: A method for supplying an advertisement marketing using a virtual date park on the Internet is provided to enhance an advertisement effect by forming an off-line date space or a consumption company as an on-line virtual date park and inserting a banner advertisement or a commodity icon into the corresponding date park and performing an image chatting on the environment. CONSTITUTION: A member database is constructed by receiving information of an Internet user or an advertisement company and classifying the members(S1). An advertisement database is embodied by receiving advertisement information of an advertisement company(S2). A virtual date park is formed by graphing an on-line date space and a consumption company and the advertisement information is inserted into the virtual date park(S3). A date managing program for performing a registration and cancellation of date information, a date time alarm, an Internet image chatting communication connection, and a virtual date park movement is embodied(S4). A member characteristic is analyzed by receiving member information. A member is certified as to a membership(S8). It is checked whether a member is an advertisement company and a business category thereof is checked by receiving advertisement information, and the member is registered in the advertisement database(S12). A registration of date information is confirmed by operating a data managing program(S13). An Internet image chatting is performed with a registered date, and a registered virtual date park is displayed with a chatting or image chatting screen(S14).
Patent KR-20020032052-A (KR)
Title: Low-power column driving method for liquid crystal display
Inventor: YOON GWANG HO
IPC: G09G3/36
Filed: 2000-10-25
Abstract: PURPOSE: A method for driving a low power column for a liquid crystal display(LCD) is provided, which reduces power consumption and also improves a whole timing by reducing a charge recycling time by driving a column driver with a 3-level 4-phase. CONSTITUTION: According to the method, charges are stored in each of three external capacitors with 3-levels and then a column is driven directly without using the stored charge. Then, after equalizing all column lines with a random sector voltage, a column line is driven after recycling the stored charge. Thus, 4-phases driving is enabled by reducing the recycling time while driving a column, and thus the whole timing is improved. Power efficiency has a middle value between 1-level 3-phase method and 3-level 5-phase method.
Patent KR-20020033387-A (KR)
Title: Hood by train tunnel
Inventor: CHOI SEONG GYU
IPC: E01F8/00
Filed: 2000-10-31
Abstract: PURPOSE: A combination hood of an inclined pithead and a slit cover for decreasing micro pressure waves of a railroad tunnel is provided to reduce noise pollution and vibration of the way out side of a tunnel due to micro pressure waves by decreasing micro pressure waves generated when a train approaches a tunnel. CONSTITUTION: The combination hood of an inclined pithead and a slit cover for decreasing micro pressure waves of a railroad tunnel comprises an inclined pithead having an angle of 45 degrees on the front of a slit cover projected to a way in of a tunnel and provided with an opening having covers on both sidewalls, wherein the slit cover is formed to be 18.9 meters long in a tunnel of the 1 kilometer class.
Patent KR-20020038969-A (KR)
Title: High-flexible Hairspray Compositions
Inventor: CHOI HWA CHUN
IPC: A61Q5/06
Filed: 2000-11-07
Abstract: PURPOSE: An aerosol and compressed air pump type hair spray composition containing a specified amount of a higher fatty acid component is provided which can impart softness and elasticity to a polymer film while minimizing lowering of setting force and reduction of a setting maintaining time caused by conventional plasticizers. CONSTITUTION: The hair spray composition contains 0.1 to 10% by weight of a setting polymer and 1 to 40% by weight of a higher fatty acid component. The higher fatty acid component is selected from C8-22 saturated or unsaturated caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid or behenic acid.
Patent KR-20020037834-A (KR)
Title: Piston structure for protecting consumption of engine oil
Inventor: SEO JUN HO
IPC: F02F5/00
Filed: 2000-11-15
Abstract: PURPOSE: A piston structure is provided to reduce pressure within a second land volume by guaranteeing sealing of a top ring , thereby reducing oil loss. CONSTITUTION: In a piston structure, a piston body(30) has many ring grooves(31) in upper part and a first, second, third land(32, 33, 34) between the ring grooves(31). The piston body(30) reciprocates in an engine cylinder to transmit rotation force to a crank shaft. From upper part of the ring grooves(31), top ring(41), a second ring(42), an oil ring(43) are inserted. The passage through the second ring(42) is widened to pass an exhaust gas. The lower part of the second land(33) is cut to form a chamfering part(33a) to reduce pressure of the exhaust gas passage.