baber/WOPTO huggingface dataset:
Patent KR-20020034307-A (KR)
Title: Method of making bitline in semiconductor device
Inventor: JUNG SEONG HUI
IPC: H01L27/108
Filed: 2000-10-31
Abstract: PURPOSE: A method for fabricating a bit line of a semiconductor device is provided to reduce contact resistance of a tungsten bit line and an elevated source/drain, by partially etching an epitaxial silicon layer of a source/drain as well as an interlayer dielectric in a bit line contact etch process. CONSTITUTION: A plurality of word lines(34) are formed on a semiconductor substrate(31). The source/drain(37) is formed in the semiconductor substrate between the word lines. The epitaxial silicon layer(38) is formed on the source/drain. The interlayer dielectric(39) is formed on the entire surface including the epitaxial silicon layer. A contact mask is formed on the interlayer dielectric. The interlayer dielectric is selectively etched by using the contact mask, and the epitaxial silicon layer is over-etched. A barrier metal is formed on the over-etched epitaxial silicon layer. A silicide layer is formed on the over-etched epitaxial silicon layer by a rapid thermal process. Bit line metal is formed on the barrier metal.
Patent KR-20020036131-A (KR)
Title: device for cooling of linear power amplifier in mobile communication system
Inventor: LEE DONG GYU
IPC: H04B1/036
Filed: 2000-11-08
Abstract: PURPOSE: A cooling system of a linear power amplifier of a mobile communication system is provided to lengthen a product's life by continuously and repeatedly circulating cooling water, and by effectively cooling heat generated from a linear power amplifier and directly transmitted to a base with liquid. CONSTITUTION: A cooling water generating unit is formed for generating cooling water in the lower part of a base station. The cooling water generating unit is equipped with a radiator capable of performing a heat exchange of water flowed according to the ventilation power of a fan at normal temperature, a water tank capable of storing the water and a pump capable of inhaling the cooling water stored in the water tank by fore. A base(30) forms a cooling water moving path(31) for moving lower-temperature cooling water pumped from the cooling water generating unit inside the base(30). A fin(32) is formed at regular intervals for improving the effect of heat transfer inside the cooling water moving path(31).
Patent KR-20020043762-A (KR)
Title: Apparatus for automatic feeding of parts
Inventor: BAE JAE HAN
IPC: B65G31/00
Filed: 2000-12-04
Abstract: PURPOSE: An automatic feeding device of parts is provided to prevent interference of a bolt occurring between a guide rail and an edge of a receiving part according to forming a part for preventing hanging in the edge of opening of receiving part holding a bolt transferred through the guide rail. CONSTITUTION: An automatic feeding device of parts has a guide rail(10) consisted of a pipe member and guiding transportation of a bolt(B); a transferring part(20) located in the edge of the guide rail and forming many receiving parts(21) to insert the bolt as forming as a semicylindrical shape; a cylinder(22) operating the transferring part and transferring the bolt. A part for preventing hanging chamfered inclined is made in both edges of opening of the receiving part. The bolt is inserted to the receiving part of the transferring part. Even though interference of the bolt between both edges of the receiving part and the guide rail occurs, the screw part of the bolt goes into the receiving part naturally and the interference is prevented as chamfering both edges of the receiving part inclined.
Patent KR-20010016375-A (KR)
Title: cover lay attach device
Inventor: SUN HYO DEUK
IPC: H01L21/50
Filed: 2000-12-06
Abstract: PURPOSE: An apparatus for adhering a cover lay is provided to automatically adhere a cover layer on upper and lower surfaces of a lead frame, by adhering the cover layer on an upper surface of the lead frame transferred by a transfer block by using an elevating block, and by pressuring and adhering the cover layer with a pressuring roller. CONSTITUTION: A transfer block(22) is horizontally mounted on a bed(20) to be capable of being transferred, horizontally transferring a lead frame(4) disposed on the transfer block. A transfer unit(46,48) transfers the transfer block. A supporting unit(26) is installed at an upper portion of a transfer path of the transfer block. A cover lay roll(28) is hinge-coupled to the supporting unit while a cover layer of a tape shape is wound around the outer surface of the cover layer roll. An absorbing unit is installed at a lower portion of the cover lay roll to absorb the cover layer untied from the cover layer roll. An elevating unit(30) is mounted at the supporting unit to be capable of elevating, and temporarily adheres the cover layer to an upper surface of the lead frame passing under the cover layer as the elevating unit elevates. A pressuring role(32) is mounted at a rear part of the elevating unit, and closely pressures the temporarily adhered cover layer to the lead frame. A cutting units(64,66) are mounted between the elevating unit and the pressuring role to cut the cover layer by a predetermined length.
Patent KR-20020045248-A (KR)
Title: Pressure control apparatus for rice cooker
Inventor: NOH HUI SEOK
IPC: A47J27/09
Filed: 2000-12-08
Abstract: PURPOSE: A pressure control apparatus of an electric rice cooker is provided to seal exactly a steam-exhausting pipe by increasing a magnetic force generated between a core of an electromagnet and a cap plate. CONSTITUTION: An L shape frame(21) is fixed at an inside of an electric rice cooker lid. A steam-exhausting pipe(22) having a steam-exhausting hole(22a) for exhausting a steam in an oven is fixed at the frame. An electromagnet(23) for generating a magnetic force is fixed to have a certain distance from the steam-exhausting pipe. A cap plate(24) moving by a magnetic force of the electromagnet is installed movably at topside of the electromagnet. A nozzle cap(25) of a cone shape for closing an outlet of the steam exhausting pipe and cutting off a steam leakage is fixed at an end of the cap plate(24). A magnetic path-increasing portion(30) is formed integrally at a top end of the cap plate in order to increase a magnetic force generated between the top end of the core and the cap plate.
Patent KR-20010062332-A (KR)
Inventor: SHIOYA MAKOTO
IPC: B41J2/01
Filed: 2000-12-12
Abstract: PURPOSE: To provide an ink jet recorder in which a high quality image can be obtained constantly without bothering a user by detecting the cause of deteriorating image quality accurately and solving it efficiently. CONSTITUTION: Based on the difference S (S=G-Y) between data Y obtained by reading out an image recorded on a recording medium and image data G to be recorded essentially, a cause of deteriorating image quality is detected and a method for eliminating the cause is determined. A head is sustained constantly in a state for performing normal recording by effecting the determined method.
Patent KR-20010062432-A (KR)
Inventor: ADACHI KATSUMI
IPC: H02K3/28
Filed: 2000-12-14
Abstract: PURPOSE: To obtain an AC generator, which has improved corrosion-resistant properties, insulating properties, assembly easiness and productivity. CONSTITUTION: Multiphase stator windings comprise two winding assemblies, consisting respectively of pairs of 1st (3rd) winding groups, composed of respectively six single-turn 1st (3rd) windings 31 (33), which are arranged with pitches of one slot and wound by picking up element wires 30 of inner layers and outer layers alternately in a depth direction in slots 15a at every six slots, and 2nd (4th) winding groups, composed of respectively six single-turn 2nd (4th) windings 32 (34), which are arranged with pitches of one slot and wound by picking up element wires of an inner layer and an outer layer alternately in a depth direction in the slots 15a at every six slots and, further, wound in reverse to the 1st (3rd) windings 31 (33) with shifts of electrical angles of 180deg..
Patent KR-20020049584-A (KR)
Title: A preparation method of treatment liquid for decarbonizing sea water having low contents-silica slag solution
Inventor: BAE U HYEON
IPC: C01F11/02
Filed: 2000-12-19
Abstract: PURPOSE: Provided is a method for producing a treatment liquid for decarboxylating seawater having extremely low content of silica by using slag which is a byproduct generated in ironworks. CONSTITUTION: The method comprises the steps of decarboxylating seawater and precipitating magnesium hydroxide from the seawater. The decarboxylation step is characterized by using slag eluate produced by crushing slag into particles having size of 45 micrometer or less, injecting water, adjusting pH of the solution to 11.5-11.8, and then filtering the solution. The slag is selected from blast furnace slag, electric furnace oxidizer slag and dephosphorus slag comprising, as main components, CaO, SiO2 and iron oxide and, as an auxiliary component, MgO.
Patent KR-20020052749-A (KR)
Title: Vibration perception method of rotation equipment
Inventor: KIM HEUNG MUK
IPC: G01M7/02
Filed: 2000-12-26
Abstract: PURPOSE: A vibration detection method is provided to detect, in an early stage, fine change of rotating system through the characteristic value of vibration signal of rotating system, while allowing the worker to easily monitor the abnormality of rotating system. CONSTITUTION: A vibration detection method comprises a first step(S1 to S3) of measuring the vibration state of the rotating system, and calculating a single representative characteristic value(T) of vibration signal through statistics on the characteristic values of the size of vibration signal, waveform of vibration signal and frequency; a second step(S4,S5) of comparing the representative characteristic value obtained in the first step with the warning level and the attention level for vibration stored in a memory; and a third step(S6,S7) of giving a warning sign or attention sign when the representative characteristic value is higher than the warning level and the attention level.
Patent KR-20020054117-A (KR)
Title: System and method for managing motion picture service, and storage media having program source thereof
Inventor: HWANG YEONG HEON
IPC: H04N21/25
Filed: 2000-12-27
Abstract: PURPOSE: A system for managing a motion picture service is provided to transmit information requiring authentication from a stream player, and to process the information in a stream server, thereby preventing an unapproved user from using the information illegally. CONSTITUTION: A user terminal(100) has a stream player for inputting information requiring authentication from a user and requesting a service to a stream server(400). A multimedia DB(300) stores motion picture data. The stream server inquires whether to authenticate the information in response to the service request, and searches the corresponding motion picture data in the multimedia DB to supply the data. A web server(500) confirms whether to authenticate in response to the authenticated result of the stream server, and outputs the confirmed authentication result to the stream server, then calculates a service charge of the user.
Patent KR-20020055081-A (KR)
Title: Anchorage of seat belt for automobile
Inventor: JUNG BYEONG TAE
IPC: B60R22/18
Filed: 2000-12-28
Abstract: PURPOSE: A seat belt anchorage of a vehicle is provided to prevent an extension of a webbing caused by an intrinsic extension rate thereof when a vehicle accident occurs by holding the webbing at an anchorage portion of the vehicle. CONSTITUTION: A fixing shaft is fixedly installed at a trim part of a chassis. A fixing gear section is provided at a peripheral part of the fixing shaft. An anchorage case(310) having a triangle shape is coupled to the fixing shaft. A rotating shaft(311) is rotatably coupled at an inner center of the anchorage case(310). The rotating shaft(311) is detachably coupled to the fixing shaft. A fixing slot section(311a) is formed at the rotating shaft(311). The fixing slot section(311a) has a geared tooth part to allow the fixing shaft to be coupled to the fixing gear section. An operating slot(311b) is formed at one peripheral portion of the rotating shaft(311) in the circumferential direction of the rotating shaft(311).
Patent KR-20010023140-A (KR)
Title: 향상된 브레이크 압력 피드백을 갖춘 완전한 유압브레이크 파워 발생기 및 주 실린더 유니트
IPC: B60T8/40
Filed: 1998-08-11
Abstract: 차량 브레이크 시스템용 완전 유압 브레이크 파워 발생기/마스터 실린더 유니트(10)는, 그 내측에 형성되어 주 피스톤(16)이 밀봉적으로 변위할 수 있도록 배열되어 있는 홀(14)을 구비한 하우징(12)을 구비하고 있다. 홀(14)내에 위치되어 있는 것은 제 1 압력 실(22)이고, 그 경계 벽은 상기 주 피스톤(16)의 일 단부 벽(20)에 의해서 형성되어 있다. 상기 유니트(10)를 작동시키기 위하여, 작동하는동안 변위되는 입력 부재(60)가 있다. 압력의 영향을 받는 유압액용 입구를 구비한 부스터실(44)을 구비하고 있는, 유압 부스터 스테이지(38)는 상기 주 피스톤(16)상에 작용한다. 상기 입력 부재(60)를 통한 브레이크 압력 피드백의 모의 실험을 향상시키기 위하여, 스프링 장치(70)에는, 일렬로 연결되어 있는, 제 1 스프링(72) 및 제 2 스프링(74)이 제공되어 있다. 상기 제 2 스프링(74)의 스프링력은 제 1 스프링(72)의 스프링력보다 감지할 수 있도록 더 크다. 상기 유니트(10)가 작동될때, 유압 부스터 스테이지(38)가 실패할 경우, 제 1 스프링(72)의 본질적인 단 하나의 힘은 상기 브레이크 압력 피드백을 결정한다.
Patent KR-20010031352-A (KR)
IPC: B62M11/16
Filed: 1998-10-22
Abstract: A continuously variable transmission. The transmission includes a plurality of power adjusters, such as spherical balls, frictionally interposed between a driving and a driven member. The driving and the driven member are each rotatably disposed over a main shaft. The spherical balls are configured to rotate about a modifiable axis and thereby provide a continuously variable shifting capability by adjusting the ratio between the angular velocity of the driving member in relation to the driven member. The system includes automatic and manual shifting gearing for adjusting the speed of the transmission. The system also includes a support a support member which is rotatably disposed over the main shaft and frictionally engaged to each of the spherical balls.
Patent KR-20010040966-A (KR)
IPC: H01F1/16
Filed: 1999-02-20
Abstract: The invention relates to a method to produce non-grain-oriented magnetic steel sheet made of thin-slab or slab casting with low specific total loss and high polarisation and favourable mechanical properties. It is a characteristic of the invention that the steel slabs are hot rolled either directly from the casting heat or after a reheating to T>=900 ° C. and two or more metal forming passes are performed in the two-phase region austenite/ferrite in the course of finishing rolling.
Patent KR-20010042313-A (KR)
Title: 전자장치의 두개의 서로 다른 공급 전압용 전압-모니터링장치
IPC: G06F1/24
Filed: 1999-03-04
Abstract: 본 발명은 전자 장치의 두개의 서로 다른 공급 전압(U1,U2)용 전압 모니터링 장치에 관련된 것으로서, 상기 전압 모니터링 장치는 비율측정적으로 동작하는 아날로그/디지털 변환기(ADC), 상기 높은 전압(U1)이 공급되는 아날로그/디지털 변환기의 기준입력(Ref), 낮은 전압(U2)이 공급되는 측정 입력(A)을 포함한다. 상기 아날로그/디지털 변환기의 출력 신호(D=U2/U1)는 윈도우 비교기(K)에 공급되며, 소정의 제한 값들(G1,G2)과 비교되고, 상기 출력 신호(D)가 상한값(G1)을 초과하거나 하한값(G2) 미만인 경우는 상기 전자 장치에 대한 리셋 신호(Res2)를 발생시킨다.
Patent KR-20010071384-A (KR)
IPC: H01L29/74
Filed: 1999-06-01
Abstract: A thyristor device can be used to implement a variety of semiconductor memory circuits, including high-density memory-cell arrays and single cell circuits. In one example embodiment, the thyristor device includes doped regions of opposite polarity, and a first word line that is used to provide read and write access to the memory cell. A second word line is located adjacent to and separated by an insulative material from one of the doped regions of the thyristor device for write operations to the memory cell, for example, by enhancing the switching of the thyristor device from a high conductance state to a low conductance state and/or from the low conductance state to the high conductance. This type of memory circuit can be implemented to significantly reduce standby power consumption and access time.
Patent KR-20010071511-A (KR)
Title: 신틸레이터 패널, 방사선 이미지 센서 및 그 제조 방법
IPC: G01T1/24
Filed: 1999-06-18
Abstract: 신틸레이터 패널(2)은 방사선 투과성 기판(10)과, 기판(10) 상에 형성된 평탄 수지막(12)과, 평탄 수지막(12) 상에 형성된 반사막(14)과, 반사막(14) 상에 형성된 조해성을 갖는 신틸레이터(16)와, 신틸레이터(16)를 덮는 투명 유기막(18)을 구비한다.
Patent KR-20020057684-A (KR)
Title: Method for manufacturing the rod type member using aluminium alloy
Inventor: CHO HONG SIK
IPC: C22F1/05
Filed: 2001-01-03
Abstract: PURPOSE: A method is provided which manufactures a magnesium based aluminum alloy part having superior mechanical properties and high productivity, and an alloy part is provided in which dimensional change is stable, and thermal expansion ratio is less by removing residual stress from the magnesium based aluminum alloy part. CONSTITUTION: In a method for manufacturing homogenization treatment completed Al-Mg-Si based aluminum ally into a rod shaped part, the method for manufacturing a rod shaped aluminium alloy part comprises an extrusion process of extruding a billet under a certain pressure as an exit temperature of dies is being maintained to a solution treatment temperature; a drawing process of drawing the extruded product into a rod shaped part; and a heat treatment process of heat treating the rod shaped part as maintaining a certain level of temperature after the drawing process, wherein a cross section reduction ratio in the drawing process is from 19 to 23%, the heat treatment process is performed at a temperature of 150 to 190 deg.C for 6 to 9 hours, an exit temperature of dies in the extrusion is 520 to 550 deg.C, the billet before the extrusion process is preheated to the temperature range of 420 to 440 deg.C, and the billet is heated in a high frequency heating furnace.
Patent KR-20020057307-A (KR)
Title: SRAM Compatible Memory For Complete Hiding of The Refresh Operation Using a DRAM Cache Memory
Inventor: KIM JAE HA
IPC: G11C7/00
Filed: 2001-01-04
Abstract: PURPOSE: An SRAM compatible memory for hiding a refresh operation using a DRAM cache memory is provided to use a DRAM cell as a data storage medium and hide a refresh operation. CONSTITUTION: An SRAM compatible memory includes 64 memory banks:0-63 and 64 bank access circuits(100-163). Each bank access circuits(100-163) receives outer addresses(AD(0:16)), a read command signal(RD), and a write command signal(WD). Each memory bank: 0-63 includes DRAM memory cells arranged on 16K rows and 32 columns. Each memory bank: 0-63 is coupled to an input/output bus mediation portion(171). Input/output data(DIN/DQ) are transmitted from the memory banks: 0-63 through the input/output bus mediation portion(171). The DRAM memory cells perform refresh operations within a predetermined refresh period in order to store data. In addition, the SRAM compatible memory includes a DRAM cache memory(173), a cache access circuit(175), an access selection circuit(177), a flag memory(179), a tag memory(181), a comparator(183), and a bank mediator(185).
Patent KR-20020057750-A (KR)
Title: Method of manufacturing semiconductor device
Inventor: YOON BYEONG MUN
IPC: H01L21/8247
Filed: 2001-01-06
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to prevent a side undercut phenomenon of an upper insulating layer and defects generated from an etch back process. CONSTITUTION: One string is formed by connecting a multitude of cell transistors between a bit line contact hole(118) and a common source line, sequentially. One block is formed by connecting a multitude of strings, in parallel. The blocks are arranged at both sides of the bit line contact hole(118). An active region is separated from a field region. A string select line and a ground select line are formed at outsides of the first word line(W/L0) and the n-th word line(W/Ln). A drain of a string select transistor is connected with a bit line(136). A source of a ground select transistor is connected with a common source line. The common source line is connected with a common source region through a common source contact hole(112). The common source regions are connected with source regions of each transistor through a metal wiring layer(138). In a cell transistor, a floating gate(104) is formed by inserting a tunnel oxide layer(103) into a substrate(100). A control gate(108) is formed by inserting a dielectric layer(106) into the floating gate(104).
Patent KR-20020067941-A (KR)
Title: Method for performing an advertising business by using plural three-dimensional cyber advertising plate on distributed computer network
Inventor: BYUN GYEONG SEOK
Filed: 2001-02-19
Abstract: PURPOSE: A method for intermediating advertisements by using many cyber signboards dispersed on the computer networks is provided to offer reliable effectiveness of advertising and the option for various advertising media to a potential advertiser and to secure the advertisement insertion request of an advertising media holder on-line. CONSTITUTION: An advertising media holder downloads a cyber stereoscopic signboard from an advertising proxy server. The cyber signboard is installed in the advertising media(1). An advertising agency leases the cyber signboard and receives advertising orders from advertisers(2). Thereafter, the advertising agency transmits advertising files to the cyber signboard secured by the lease(3). An advertisement is inserted to the cyber signboard, and the advertising agency demands the advertiser for the payment of an advertising charge(5). The advertiser pays the advertising agency for the advertising charge(6). The advertising agency pays the advertising media holder for the rent(7).
Patent KR-20020069441-A (KR)
Title: Shock absorber for Shadow mask of Flat CRT
Inventor: LEE JIN HO
IPC: H01J29/07
Filed: 2001-02-26
Abstract: PURPOSE: A shadow mask vibration damping apparatus for a flat CRT is provided to improve the through-put and prevent deterioration of the CRT. CONSTITUTION: A shadow mask vibration damping apparatus comprises a base plate(50) and a contact plate(52). The base plate includes a base unit(501) attached to a rail(18) supporting the shadow mask(16), a connection unit(502) contacted to the edge portion of the shadow mask in such a manner that the connection unit is bent at the base unit, and a joint unit(503) bent in parallel to the shadow mask at the top of the connection unit. The contact plate includes a supporting unit(521) attached to the joint unit of the base plate and a contact unit(522) mounted on both end portion of the supporting unit.
Patent KR-20010085673-A (KR)
Title: An amplifier circuit for a physical random number generator and a random number generator using the same
Inventor: HASEGAWA JUN
IPC: G06F7/58
Filed: 2001-02-27
Abstract: PURPOSE: To enhance performance of an amplifier circuit for physical random number generator. CONSTITUTION: The amplifier circuit for physical random number generator, that amplifies a very weak signal to generate a physical random number signal, includes a 1st differential input terminal pair including a 1st noninverting input terminal TVin1+ and a 1st inverting input terminal TVin1-, and differential input terminal pair which includes a 2nd noninverting input terminal TVin2+ and a 2nd inverting input terminal TVin2-, a differential amplifier section that linearly combines signals received from the 1st and 2nd differential input terminal parts to provide an output of a differential output signal, and a 1st differential output terminal pair including a 1st inverting output terminal TVO- and a 1st noninverting output terminal TVO+ outputting the differential output signals.
Patent KR-20020070029-A (KR)
Title: Manufacturing method of the fermentation feed made from seaweeds
Inventor: LEE JEONG SIK
IPC: A23K1/00
Filed: 2001-02-27
Abstract: PURPOSE: A process for producing a fermented seaweed feed is provided, therefore it is possible to effectively use the seaweed for producing a high functional feed and improving meat quality. CONSTITUTION: The process for producing a fermented seaweed feed comprises the steps of: collecting seaweeds with roots, stems and sporophyll; drying them until they have water content of 65 to 70% and dried weight of 30 to 35%; slicing the dried seaweeds into a size of 1cm; inserting the sliced seaweeds into a tank; spraying a medium, in which seaweed fermenting microorganisms are cultured, thereinto; pressing and removing air from the tank to make the tank vacuum; fermenting the seaweeds for 4 to 7 days; and packaging them under vacuum or nitrogen condition.