baber/WOPTO huggingface dataset:
Patent KR-20010016657-A (KR)
Inventor: BYUN GWANG SEON
IPC: H01L21/283
Filed: 1999-08-02
Abstract: PURPOSE: A method for manufacturing an ohmic contact of a semiconductor device is provided to improve an electric characteristic and reliability, by eliminating a native oxide layer and a foreign substance layer generated on an interface of a contact part by a silicidation process using a metal layer of a high melting point so that contact resistance is reduced. CONSTITUTION: A metal layer with a high melting point is formed on an upper portion of a diffusion region(13) of a transistor formed on a semiconductor substrate(1). A rapid thermal annealing is performed to eliminate a native oxide layer by a solid phase reaction and to form a silicide layer(15) with a high melting point. Polysilicon is deposited on the silicide layer to form a pad contact plug.
Patent KR-20010019199-A (KR)
Inventor: JUNG JUN
IPC: H04B7/005
Filed: 1999-08-25
Abstract: PURPOSE: A method for transceiving wireless signals and a device for equalizing the delay of wireless signals are provided to compensate path differences between signal paths passing each wireless signal transceiving device where service coverage is overlapped, and compensate every kind of signal delay caused inside transceiving devices. CONSTITUTION: Predetermined number of transceivers where the coverage is overlapped are decided(40). A specific transceiver, related to a path having a highest signal delay among signal paths through the decided transceivers, is decided(42). Delay times respectively indicating differences, between a signal transfer time passing the specific transceiver and signal transfer times passing transceivers except for the specific transceiver, are decided(44). Signals are delayed as much as each delay time of the transceivers, and the delayed signals are transmitted(46).
Patent KR-20010027293-A (KR)
Inventor: HWANG YUN JE
IPC: F25B41/00
Filed: 1999-09-13
Abstract: PURPOSE: A flow distribution apparatus is provided to achieve an improved reliability of operation by effectively adjusting the volume of refrigerant for the distributor through the use of refrigerant pressure. CONSTITUTION: A bypass pipe(3) for bypass of the high temperature high pressure refrigerant discharged from the outlet side of a compressor(1), has an end connected between the compressor and an indoor heat exchanger(2). The bypass pipe has a pressure reduction device(4) consisting of a capillary tube for reduce the high pressure of the refrigerant into medium level. The bypass pipe has the other end connected to an outdoor heat exchanger(5), and to a branch pipe from among branch pipes(8) of a distributor(7). The distributor serves to distribute the refrigerant supplied from an expansion device(6) into the outdoor heat exchanger. A fixation pipe connected to the other end of the bypass pipe is installed in such a manner as to be perpendicular to the branch pipe. The fixation pipe has a penetrating hole communicated to the branch pipe, and a moving member for opening/shutting off the branch pipe in accordance with the pressure of the refrigerant passed through the pressure reduction device is installed to be movable.
Patent KR-20010036248-A (KR)
Inventor: KIM TAE GYUN
IPC: H01L21/66
Filed: 1999-10-07
Abstract: PURPOSE: A system for detecting wafer slip of an apparatus for manufacturing a semiconductor is provided to prevent a wafer from being damaged by shield-down by repositioning the wafer to the center, and to minimize work loss by preventing metal deposition of a hot plate. CONSTITUTION: A plurality of light emitting units(100,110,120) are installed in a side surface of a process chamber(300), and irradiate light to at least one position to determined a slip stage of a wafer. Light receiving units(200,210,220) receive the light reflected from the wafer, corresponding to the light emitting units. A microcomputer determines whether the wafer is in a slip stage, by a signal outputted from the light receiving units. An actuator controls a position of the wafer after receiving a position control signal of the wafer when the wafer is in a slip state.
Patent KR-20010036441-A (KR)
Inventor: KIM HAE WON
IPC: F04D27/00
Filed: 1999-10-08
Abstract: PURPOSE: A centrifugal impeller performance analyzing method is provided to simplify the performance analysis of a centrifugal impeller and obtain precise computation results by not averaging the hole flows of the centrifugal impeller but measuring a flow at an outlet of the impeller by averaging flows of divided jet and wake areas of the outlet. CONSTITUTION: In a centrifugal impeller performance analyzing method, a flow of an outlet area of a centrifugal impeller is divided into two parts of jet area flow and a wake flow, and respective flows of the jet area and the wake area are obtained respectively considering the slippage coefficient and the wake mass ratio change, so that the flow at the outlet is obtained by computing an average of the respective flows.
Patent KR-20010037488-A (KR)
Inventor: LEE CHANG U
IPC: G11B33/12
Filed: 1999-10-18
Abstract: PURPOSE: A portable digital audio set is provided to enable a user to listen to music during exercising or doing active works by carrying a portable digital audio set on the user's neck or head. CONSTITUTION: A digital audio body(10) reproduces a music file stored inside thereof and generates an audio signal. Two speaker parts(20) are connected to both sides of the body(10), receives the audio signal of the body(10) and outputs sounds. A support band(40) is connected to ends of both the speaker parts(20) for the body(10) to be carried on a user's body. The support band(40) coupled to both ends of the speaker parts(20) is made of an elastic material, A length adjusting unit(41) is arranged on one side of one of the speaker parts(20) for adjusting a length of a portable audio set. To be specific, the length adjusting unit(41) permits the portable audio set, which is worn on the user's body, to be adjusted appropriately to diameters of the user's head, neck, waist, etc. The present invention has advantages of allowing the user to listen to music during doing active works or exercising, being easily wearable on each portion of the user's body, such as head, neck, waist, and also permitting the suer to select the speaker parts or an earphone to listen to the music.
Patent KR-20000000420-A (KR)
Inventor: SHIM JUNG SUP
IPC: A43B19/00
Filed: 1999-10-20
Abstract: PURPOSE: A polymerized yellow soil foot pad is provided to treat a fever and a poisonous disease by a physical property of yellow soil such as projecting a remote infrared ray. CONSTITUTION: A foot pad forming a fiber layer on a foaming layer for forming a bottom contains:a yellow soil polymerized foaming layer(10) composed of 40-50 wt% of yellow soil powder obtained by drying and pounding yellow soil, 35-45 wt% of ethylene vinyl acetate, and 1-5 wt% of other adhesives; a fiber layer(20) shaped on the yellow soil polymerized foaming layer; and plural small holes(30) punched on the yellow soil polymerized foaming layer.
Patent KR-20010038041-A (KR)
Inventor: KIM SEOK JUNG
IPC: G11B7/09
Filed: 1999-10-21
Abstract: PURPOSE: An optical pick-up assembly is to simplify a structure of the pick-up assembly so that the pick-up assembly is much thinner and lighter, and provide a balancing member to maintain weight balance, thereby stably controlling the assembly. CONSTITUTION: An objective lens(111) is mounted on a bobbin(110). An elastic supporting portion elastically support the bobbin to be movable with respect to a holder(120) disposed on a base(100). A focus coil(112) and a tracking coil(113) are disposed at the bobbin to form a current path for driving the objective lens in a focus and tracking direction. A tilt coil(114) is disposed at the bobbin to form a current path for tilt driving of the objective lens. The first magnet(130) and the first yoke(131) generate electromagnetic force for driving the objective lens, by the current flowing through the focus coil and the tracking coil. The second magnet(140) and the second yoke(141) generate electromagnetic force for driving the objective lens, by the current flowing through the tilt coil. A position detecting sensor(201,202) detects a relative inclination of the objective lens with respect to a disk. And a balancing member(300) is disposed at a portion opposite to the tilt coil to maintain a weight balance.
Patent KR-20010038199-A (KR)
Inventor: KIM BEOM SANG
IPC: C08J5/18
Filed: 1999-10-22
Abstract: PURPOSE: A biaxially oriented polyester film containing ethylene terephthalate and ethylene naphthalate as a repeating unit in a mole ratio of 80:20 to 95:5 is provided, which can be manufactured in good external appearance without generating draw-down and break during film forming processes. CONSTITUTION: The biaxially oriented polyester film comprises ethylene terephthalate and ethylene naphthalate in a mole ratio of 80:20 to 95:5 as a repeating unit. The repeating unit of ethylene terephthalate is derived from dimethylterephthalate or terephthalic acid. The repeating unit is derived from more than 90% by mole of dimethyl-2,6-naphthalate and less than 10% by mole of dimethyl-2,6-naphthalate, dimethyl-1,2-naphthalate, dimethyl-1,5-naphthalate, dimethyl-1,6-naphthalate, dimethyl-1,7-naphthalate, dimethyl-1,8-naphthalate, dimethyl-2,3-naphthalate and dimethyl-2,7-naphthalate.
Patent KR-20010046319-A (KR)
Inventor: LEE BYEONG CHEOL
IPC: H01L21/66
Filed: 1999-11-11
Abstract: PURPOSE: A method for measuring a wafer scale in a process for manufacturing a semiconductor device is provided to perform a process while having a precise wafer scale on each wafer, by measuring a precise wafer scale value in an one-step pattern process, and by correcting a wafer scale error according to the measured value. CONSTITUTION: A scale measuring pattern caused by line patterns facing each other is formed in X and Y directions in every wafer region where four shots are overlapped in an one-step pattern process on the same plane. An X-axis overlay scale value and a Y-axis overlay scale value are calculated by the scale measuring pattern. An error of the wafer scale value is corrected according to the calculated X-axis and Y-axis overlay scale values. A shot in the next wafer is formed according to the corrected wafer scale value.
Patent KR-20010047473-A (KR)
Inventor: JOO DAE SUNG
IPC: C02F1/52
Filed: 1999-11-20
Abstract: PURPOSE: Provided is a purifying apparatus of raw water in the intake gate using a chemical injector (22), a mixing device, and a high compressed water sprayer (33) to float suspended solids on the surface, therefore loading of water purification plant and the amount of disinfection agent are reduced. CONSTITUTION: The apparatus consists of a chemical tank (20) to store coagulant, a chemical pump (21) for supplying coagulant into the chemical injector (22), a pump (30) for supplying raw water into a pressure tank (32), a compressor for supplying compressed air into the pressure tank (32), the pressure tank (32) to store compressed water containing dissolved air, the chemical injector (22) for spraying coagulant, the mixing device (23) for mixing suspended solids and coagulant, the high compressed water sprayer (33) for spraying compressed water containing dissolved air, a scum collector (40) for removal scum, a dewatering device.
Patent KR-20010047707-A (KR)
Inventor: HUH BI TTO
IPC: H04L12/911
Filed: 1999-11-23
Abstract: PURPOSE: A method and an apparatus for transmitting datagram of exchange are provided to facilitate the use of frame relay network and reduce the cost for installing a dedicated terminal by transmitting data to a time switching unit within the exchange or an external frame relay network after transforming a data format. CONSTITUTION: An exchange comprises a digital subscriber interface(2), an access switching processor(4), a number translation processor(6), a time switching unit(8), and a frame relay access device(10). The frame relay access device(10) includes a frame relay access device controller and a frame relay access device handler. The frame relay access device controller provides a data transform control signal corresponding to a transmission direction of data. The frame relay access device handler transforms the data format according to the transmission direction.
Patent KR-20010048151-A (KR)
Title: Cyber school
Inventor: PARK HWAN SEOK
IPC: G06Q50/20
Filed: 1999-11-25
Abstract: PURPOSE: A cyber school is provided to reduce a private education cost by constructing a learning cooperation system connecting to an educational institute, a school and a house. CONSTITUTION: A student who is studying may be shown in a house using an image communication technique and real time education. A conversation with a teacher is can be achieved. An electronic paying system, a cyber teachers room, an automatic educational institute lecture registration, an automatic educational institute record processing, an automation of educational institute business, and an automation of an education E-mail are provided.
Patent KR-20010054081-A (KR)
Inventor: JUN SONG AE
IPC: C12N1/20
Filed: 1999-12-03
Abstract: PURPOSE: A bacteriocin producing microorganism strain and a method for producing bacteriocin using the same are provided. The produced bacteriocin is useful for natural preservatives due to its good antibacterial activity, and also the antibacterial activity of bacteriocin is stable at broad ranges of pH and temperatures. CONSTITUTION: The bacteriocin producing microorganism strain, Lactococcus lactis SA72(KFCC-11117), is isolated from the salted-fish juice by conventional method. The method for producing bacteriocin comprises the steps of: seed-incubating Lactococcus lactis SA72(KFCC-11117) in MRS medium; inoculating 0.8 to 1.2%(v/v) of the fermented culture of Lactococcus lactis SA72(KFCC-1117) into a fresh MRS medium and incubating them at 30 to 35 deg. C and pH 6.0 with agitating at 180 to 220 rpm; removing the cells by centrifugation and filtering the cell-free supernatant with cellulose acetate filter; treating it with catalase to remove hydrogen peroxide; adding ethanol into the cell-free supernatant to remove proteins; and evaporating ethanol to obtain bacteriocin.
Patent KR-20010055318-A (KR)
Inventor: KWON O GWAN
IPC: H04N5/655
Filed: 1999-12-10
Abstract: PURPOSE: A device for adjusting a viewing angle of a video display is provided to adjust a visual field angle easily by according application points of hinge shafts for adjusting the upper/lower and left/right rotating angles of a video display, thereby adjusting a rotating angle toward any angle easily. CONSTITUTION: A height adjusting unit is vertically formed slidably in the upper and lower directions on a supporter supporting a video display outputting a video. A rotating operating unit(400) is fixedly mounted at the upper end portion of the height adjusting unit. One end of a globe-shaped rotating unit is fixedly mounted at the rear surface of the video display. The other end of the rotating unit is formed as a globe-shaped and mounted in the rotating operating unit(400) rotatably in a predetermined direction. A fixing/releasing unit is formed at one side portion of the rotating operating unit(400) and fixes the rotating unit and releases a fixing state in accordance with a user's need.
Patent KR-20010055906-A (KR)
Inventor: AHN SUN DEOK
IPC: H01L21/66
Filed: 1999-12-13
Abstract: PURPOSE: A method for improving a power transmission efficiency to a wafer stage is provided to allow an accurate movement of a wafer mounted on the wafer stage and thereby to enhance the quality of a wafer inspection process. CONSTITUTION: A wafer inspection system has a stepping motor(410) generating a turning force to move the wafer stage in a vertical direction, a shaft(420) joined to the stepping motor(410), a coupling(430) coupled to the shaft(420), and a set screw(440) fastened to the coupling(430) and further closely contacted with the shaft(420) to couple up the coupling(430) to the shaft(420). In particular, a contact plane of the set screw(440) to the shaft(420) is shaped like a doughnut to permit a linear contact with the shaft(420) at a point spaced apart from a central axis of the set screw(440). Therefore, the set screw(440) is prevented from sliding across the shaft(420), and thus power transmission efficiency to the wafer stage is improved.
Patent KR-20010063036-A (KR)
Inventor: KIM GIL HO
IPC: H01L21/768
Filed: 1999-12-21
Abstract: PURPOSE: A method for manufacturing a multilayered metal interconnection of a semiconductor device is provided to greatly decrease the number of manufacturing s teps by simultaneously etching a via for a plug and a trench for an upper interconnection, and to efficiently perform a manufacturing process by making almost all of the manufacturing processes concentrated on a process for patterning a photoresist layer. CONSTITUTION: A lower metal interconnection(b1) is formed on a structure of a semiconductor substrate. A planarized interlayer dielectric(104,118) is formed on the entire surface having the lower metal interconnection. The first photoresist layer pattern is formed on the substrate. An organic anti-reflecting layer is deposited on the resultant structure having the first photoresist layer pattern, and an entire etching process is performed until the first photoresist layer pattern is exposed. The second photoresist layer is deposited on the resultant structure and patterned. The second and first photoresist layers are patterned. An etching process is performed to simultaneously form a via and an upper interconnection trench by using the photoresist layer pattern and the organic anti-reflecting layer. Metal is filled in the via and the upper interconnection trench, and is polished to simultaneously form a plug(p) and an upper interconnection connected to the lower metal interconnection.
Patent KR-20010056227-A (KR)
Inventor: CHOI HAN KWON
IPC: A23L13/20
Filed: 1999-12-22
Abstract: PURPOSE: A method for preparing a pettitoes dish containing a large amount of calcium and herbal materials is provided to promote calcium absorption in the body and improve taste and flavor of the pettitoes dish. CONSTITUTION: The method includes the following steps of: (i) soaking cleared raw pettitoes in salted water for 5-6hr to remove the blood in the pettitoes; (ii) injecting 110-140cc of mixed solution of 100g of tangleweed extract and 10-50g of water-soluble whey calcium to a blood vessel of the soaked pettitoes; (iii) steeping the pettitoes in flowing water of 3-7deg.C for 10-15min; (iv) boiling the processed pettitoes in a mixed solution of herbs and vegetables for 90-110min; and then (v) dehydrating and packing the boiled pettitoes. The mixed solution of herbs and vegetables is prepared by boiling korean angelica root, cinnamon and licorice with water in a ratio of 1:1:2:100 for 60-80min., boiling the herb extract with water in a ratio of 1:5 repeatedly and adding green onion, ginger, garlic and onion to the herb extract in a ratio of 2:3:4:24 and boiling together.
Patent KR-20010064039-A (KR)
Inventor: HAM DONG SEOK
IPC: G01N15/08
Filed: 1999-12-24
Abstract: PURPOSE: An evaluation system of chemical filter and an evaluation method of chemical filter using the same are provided to be capable of evaluating the presence of contamination substance in a chemical filter itself. CONSTITUTION: A chamber(44) is isolated from external contamination sources and has the same internal conditions as those of a clean room. A first gas line(L1) is connected to one side of the chamber(44). A second gas line(L2) is connected to the other side of the chamber(44) to oppose the first gas line(L1). A temperature controller(48) for constantly maintaining the internal temperature of the chamber(44) is mounted on a wall of the chamber(44). A mass flow controller(50) is mounted on the first gas line(L1) to control the gas amount flowing in the chamber(44) through the first gas line(L1).
Patent KR-20000057103-A (KR)
Inventor: NAGATA DOMONORI
IPC: B60R22/405
Filed: 1999-12-27
Abstract: PURPOSE: A webbing winding device is provided in a low expense by miniaturizing a pre-tensioner and a locking means and by reducing the number of components. CONSTITUTION: A plurality of projections(126) are formed at the inner circumferential surface of a bearing body(124) axially supporting a clutch part(106). As the projections is in the linear contact with the outer circumferential surface of the clutch part, the bearing body indirectly support the clutch part through the projections. The contact area becomes very small and the projections are plastic-deformed easily by frictional resistance between the projections and the clutch part as the projections are in the linear contact with the clutch part. The resistance obstructing the rotation of the clutch part is reduced and then the rotation of the winding shaft is improved by gas pressure.
Patent KR-20010065687-A (KR)
Inventor: CHUN CHANG YEOL
IPC: A23B7/10
Filed: 1999-12-30
Abstract: PURPOSE: Provided is a tank for storing Kimchi having two different function and size of storage chambers, which can store and process other kinds of food as well as Kimchi and give satisfaction to consumer needing a broaden chamber used only for storage function. CONSTITUTION: The tank comprises a plurality of storage chambers(1,2) divided in a fixed ratio different from each other based on the inner volume of whole Kimchi storage tank system, and a control part panel(4) having various kinds of function selective switches for performing fermenting, aging and storage functions of the first storage chamber and a storage function of on and off switch(41) for performing a storage function of the second storage chamber.
Patent KR-20010065736-A (KR)
Inventor: LEE YOUNG BUM
IPC: A01C7/00
Filed: 1999-12-30
Abstract: PURPOSE: The seed tape including seeds for farming on the tape in a proper number for a proper spacing can be used for directly planting in the field. The seed feeder is to feed seeds in a proper way on the tape with an additive to be rolled for storing or planting directly on the land field. CONSTITUTION: The seed tape producer has the tape(20) on supply rollers(30, 31) to be respectively rolled out for receiving the additive from the units(50,51) on the tape surfaces and seeds from the seed feeders(70,71) through guide hoppers(81) in a proper number and to be rolled on the rollers(40,41). The seed feeders(70,71) are fixed to a position in respect to the ground and is provided with a frame(80) having a guide plate to guide seeds from the hopper to the blank tape. A spring has an end fixed to the frame(80) and the other end is fixed to the rear end of the guide plate(93). An eccentric cam having a rocking cam on the outer periphery is fixed to the motor shaft.
Patent KR-20010058492-A (KR)
Inventor: JUN SEONG CHEON
IPC: H04N5/367
Filed: 1999-12-30
Abstract: PURPOSE: An apparatus for detecting and compensating a defect pixel in an image sensor is to simplify a test process of the image sensor. CONSTITUTION: The apparatus comprises a pixel array(200), a defect pixel detecting unit(210), and a defect pixel compensating unit(220). The pixel array includes a number of unit pixels outputting a digital image data corresponding to an intensity of a light. The defect pixel detecting unit receives the digital image data from the pixel array, and then detects a defect pixel on a real time in response to a detecting condition according to the characteristic of the image data. The defect pixel compensating unit compensates the image data of the defect pixel to output a compensated image data.