baber/WOPTO huggingface dataset:
Patent KR-20030058361-A (KR)
Title: An electrolyte for high voltage Al capacitor
Inventor: JANG CHANG GUK
IPC: H01G9/022
Filed: 2001-12-31
Abstract: PURPOSE: An electrolyte is provided to achieve improved withstand voltage and conductivity of electrolyte, while allowing for stabilized characteristics in a high temperature. CONSTITUTION: An electrolyte contains an ethylene glycol 40 to 70 weight percent serving as a solvent; a 2-butyl octane thioate 6 to 15 weight percent and a dodecan thioate 2 to 5 weight percent added to the ethylene glycol; a diethylene glycol mono butyl ether 20 to 40 weight percent serving as an auxiliary solvent and which is added to the resultant structure so as to achieve improved solubility and increased withstand voltage of electrolyte; a hypophosphoric acid ammonium 0.1 to 2 weight percent for preventing an excessive polymerization of the solvent and solute; and a para nitrophenol 0.1 to 2 weight percent for preventing degradation of withstand voltage of electrolyte and lengthening the useful life of the condenser.
Patent KR-20010071008-A (KR)
Title: 자기저항 기록 헤드에서의 센서 온도 감소
IPC: G11B5/40
Filed: 1999-07-21
Abstract: 본 발명은 자기성 매체로부터 데이터를 판독하는 동안 효율을 강화하기 위해 상부 및/또는 하부  자기성 실드에 형성된 리세스를 갖는 수직 자기저항 기록 헤드 또는 플럭스 가이드 자기저항 기록 헤드의 센서 소자에서 발생한 열을 방산시키기 위한 방법 및 장치에 관한 것이다.  열은 상부(2) 또는 하부(6) 금속 실드와 자기저항 헤드 구조를 포함하는 센서 소자(4) 사이의 실드 리세스(140)에 형성된 비자기성 금속 충진층(10, 12)을 통해 방산된다.  금속 필러(10, 12)는 비자기성이어야 하며, 센서 소자와 상부(2) 또는 하부(6) 자기성 실드 사이의 전기적 단락을 피해야 한다.  전기적 절연체를 포함하는 절연층(11, 20)은 전기적 저항을 보장하기 위해 센서 소자(4)와 금속 필러(10, 12) 사이에 형성된다.  금속 필러(10, 12)는 센서 소자로부터 금속 실드(2, 6)로의 열적 경로로서 작용한다.
Patent KR-20010072146-A (KR)
Title: 카르니틴 및 카로티노이드를 포함하는 산화 방지성 증식억제 조성물
IPC: A61P9/10
Filed: 1999-07-29
Abstract: 유리 라디칼 및 지질 과산화 현상에 의해 유발된 다양한 변화 및 병리학적 상태들의 예방 및/또는 치료를 위한, 특징적인 유효 성분으로서 프로피오닐 L-카르니틴 및 하나 이상의 카로티노이드, 전형적으로는 토마토로부터 추출된 라이코펜을 포함하는 조성물이 개시되어 있으며, 상기 조성물은 식이성 보충식, 식이성 지지체 또는 실제적인 의약품의 형태를 취할 수 있다.
Patent KR-20010072812-A (KR)
Title: 무단형상매체 인화장치 및 방법, 회전인쇄장치 및 방법,및 회전인쇄용 서멀헤드
IPC: B41J2/355
Filed: 1999-08-25
Abstract: 회전인쇄장치(10)는, 무단형상매체인 원반인쇄매체(M)의 폭방향을 따른 주주사방향으로 인화되는 서멀헤드(11)와, 원반인쇄매체(M)의 원주방향을 따른 부주사방향으로 원반인쇄매체(M)을 반송하는 스텝핑모터(15)를 구비하고, 외부호스트로부터 공급되는 화상데이터에 근거하여, 원반인쇄매체(M)의 폭방향 및 원주방향으로 배열되는 복수의 화소로 구성되는 화상을 형성함과 동시에, 서멀헤드(11)의 인화개시위치(PS)에서 소정길이의 중복인화영역(a)과 인화종료위치(PE)보다 앞쪽에 소정길이의 중복인화영역(Rb)을 중복하여 인화한다.  이러한 구성에 의해서, 인화의 이음새가 육안관찰로도 눈에 띄지 않게 되어 고화질의 화상을 얻을 수 있다.
Patent KR-20010101494-A (KR)
IPC: C08G69/28
Filed: 2000-01-13
Abstract: 본 발명은 락탐 및 가능한 다른 폴리아미드 형성 단량체의 중합에 의한 폴리아미드 제조 방법에서 불균일 촉매로서 금속 산화물을 사용하는 것에 관한 것이다.  상기 방법에 따라, 금속 산화물은 반응 혼합물로부터 기계적으로 분리될 수 있고 중합 동안 또는 후에 반응 혼합물로부터 분리되는 형태로 사용되며, 이 방식으로 수득되는 폴리아미드 중의 추출가능한 화합물의 함량이 감소된다.
Patent KR-20020002381-A (KR)
Title: Method and apparatus for controlling transmission power in a cdma communication system
IPC: H04B7/005
Filed: 2000-01-28
Abstract: Method and apparatus for controlling transmission power in a closed loop power control system, wherein power control commands are based on the energy of the previous power control commands. In one embodiment, the method compares changes in the received energy of received power control commands against expected changes in those commands based on previously transmitted power control commands, and identifies suspicious responses to said previously transmitted power control commands. Hypothesis testing of the received power control commands is performed accordance any identified suspicious responses.
Patent KR-20010108368-A (KR)
Title: 항우울제로서 특정 친화도의 ｎｍｄａ 길항제의 용도
IPC: C07D213/38
Filed: 2000-03-21
Abstract: 본 발명은 항우울제로서의 특정한 저친화도 NMDA 길항제의 용도에 관한 것이다.  하기 화학식 I의 화합물 및 그의 제약학상 허용가능한 염이 바람직하다. 
     <화학식 I> 
     
       
     
     식 중, 
     R 1 은 피리딜, 페닐 또는 4-플루오로페닐이고; 
     R 2 는 페닐 또는 4-플루오로페닐이고; 
     R 3 은 수소, C 1-6 알킬 또는 메톡시카르보닐이고; 
     R 4 는 수소 또는 메틸이며; 
     R 5 는 수소 또는 COCH 2 NH 2 이다.
Patent KR-20010110747-A (KR)
Title: 말단에 작용기를 갖는 비닐계 중합체의 제조방법 및말단에 작용기를 갖는 비닐계 중합체
IPC: C08F8/00
Filed: 2000-04-12
Abstract: 본 발명의 목적은 말단에 작용기를 갖는 비닐계 단량체의 중합체가 용이하게 실용적으로 제조될 수 있는 제조방법을 제공하는데 있다. 
     또한, 본 발명의 또 하나의 목적은 각종 기능 제품 제조용 재료로서 유용한 말단에 작용기를 갖는 비닐계 중합체를 제공하는데 있다. 
     본 발명의 제 1 측면은 할로겐 화합물의 존재하에 비닐계 단량체의 라디칼 중합반응에 의해 말단에 할로겐 원자를 갖는 비닐계 중합체를 합성하는 단계, 및 상기 비닐계 중합체의 말단 할로겐 원자를 작용기 함유기로 치환함으로써 작용기를 말단에 도입하는 단계를 포함하는 말단에 작용기를 갖는 비닐계 중합체의 제조방법에 관한 것이다.
Patent KR-20020026435-A (KR)
IPC: G06T17/40
Filed: 2000-11-05
Abstract: 본 발명은 실시간으로 완전한 재료 청구서 및 총 비용 정보를 신속히 발생하기 위한 자동화된 방법을 제시한다.  설계 엔지니어는 소정의 무선 통신 시스템(106)의 모델을 구축하고, 충분하거나 최적의 시스템 성능을 제공하는데 필요한 각각의 구성요소를 지정한다.  각각의 시스템 구성요소 및 그 연관된 성능 및 비용 파라메타의 정의를 포함하는 부품 리스트가 실시간으로 유지된다.  사용자가 일련의 "만일" 시나리오를 통해 무선 시스템 설계를 변경함에 따라, 구성요소가 대체 구성요소로 대체되고, 케이블 길이가 수정되며, 안테나 시스템 및 기지국 파라메타가 재설계되고 대체 위치로 이동된다.  재료 청구서가 자동적으로 갱신되고, 구성요소 비용 및 전체 시스템이 설계 엔니지어가 즉시 이용가능하게 된다.  설계자는 구성요소를 덜 비싼 구성요소로 교환할 수 있거나 또는 몇개의 선택적인 무선 주파수 분배 및 안테나 스킴을 조사할 수 있다.  시스템의 성능 특징이 자동적으로 갱신된다.
Patent KR-20020026452-A (KR)
IPC: C30B11/00
Filed: 2000-06-07
Abstract: 본 발명은 큰 결정 크기에서 복굴절을 최소화하고, CaF 2 결정의 제조에 적합한 결정을 생산하기 위한 방법 및 장치에 관한 것이다. 본 발명의 방법은 상기 결정의 벌크 온도를 천천히 감소시키면서 상기 결정내의 최소 온도 구배를 유지시켜 결정을 어닐링하는 단계를 포함한다. 본 발명에 따른 장치는 열적 조절 시스템이 결정 성장시 온도 구배가 가능한 반면, 결정 어닐링시 온도 구배를 최소화시키는 열적 조절 시스템이 부착된 결정 성장 및 어닐링 장치을 포함한다. 본 발명의 일 실시예는 종래 결정 성장 및 어닐링 장치에 포함된 2차 가열기를 포함한다. 상기 2차 가열기는 상기 어닐링 공정시 결정내의 온도 구배를 최소화시키기 위한 열을 공급한다. 상기 2차 가열기는 적절한 온도 구배가 효과적으로 유지되도록 도가니의 아래면 근처에 장치될 수 있다.
Patent KR-20030063513-A (KR)
Inventor: CHO SUNG MIN
IPC: B82B3/00
Filed: 2002-01-22
Abstract: PURPOSE: An apparatus for the preparation of nanoparticle is provided, to produce nanoparticles from the small particles prepared by sol-gel method, precipitation, thermal spraying or mechanical-chemical method and to enable the produced nanoparticles to be collected by size. CONSTITUTION: The apparatus comprises a pulverization tank(20) which contains a guide pipe(10) supplying small particles(P1) to the lower direction and has a outlet(22) at the one side of the lower part and whose upper part is covered with a cover(21); a motor(30) which supplies the rotation axis(31) from the center of the cover to the lower direction of inside of the pulverization tank; a pulverization plate(40) which is interlocked with the rotation axis to pulverize the small particles to nanoparticles(P2) by rotation; a ventilation fan(50) which is engaged with the outlet(22) to discharge the nanoparticles inside the pulverization tank; and a collection tank(60) which is engaged between the outlet and the ventilation fan to collect the nanoparticles. The collection tank comprises a first cyclone collection tank(61) and a second cyclone collection tank(62) which collect the nanoparticles(P2) by size according to the discharge pressure of the ventilation fan.
Patent KR-20030065094-A (KR)
Title: Digital Watermarking Algorithm For Original Image
Inventor: IN CHEOL MIN
IPC: H04N5/913
Filed: 2002-01-29
Abstract: PURPOSE: A watermarking algorithm for minimizing distortion of an image is provided to prevent picture quality from varying and to make removal of a watermark difficult. CONSTITUTION: A watermarking algorithm generates a watermark sequence and aligns watermarks in the order of their size. Then, the algorithm discrete-cosine-transforms the entire size of the watermark sequence to obtain the average and energy of frequency factors other than DC(3), and compares the average and energy with proposed conditions(4). The algorithm inserts a watermark into a proposed position. The watermarking algorithm compares similarity of the watermarking technique with similarity of NEC band spreading technique while varying compression rate.
Patent KR-20030065661-A (KR)
Title: high-strength shotcrete composite using alkali-free accelerator
Inventor: KIM YEONG HWAN
IPC: C04B28/04
Filed: 2002-01-30
Abstract: PURPOSE: A high quality shotcrete composition is provided to improve initial strength and adhesion, and prevent the decrease of longterm strength by using alkali-free liquid accelerator instead of conventional water glass. CONSTITUTION: The shotcrete composition(based on 1m¬3 of shotcrete) comprises the components of: 550-700kgf of coarse aggregate of less than 10-15mm in size; 1000-1200kgf of fine aggregate; 300-450kgf of early-strength cement; water having a water/cement ratio of 40-60%; 5-8%(based on the weight of cement) of alkali-free accelerator; and optionally high performance water reducing agent, and strong fiber or polypropylene fiber. The resultant shotcrete is used in construction requiring early adhesion to the ground, such as soft ground and fault area.
Patent KR-20030066229-A (KR)
Title: Image forming apparatus
Inventor: PARK YONG HWAN
IPC: G03G15/04
Filed: 2002-02-05
Abstract: PURPOSE: An image forming system is provided to selectively open or close an exposure window of a laser scanning unit. CONSTITUTION: An image forming system includes a main body(20) in which a photosensitive drum(21) for forming images is installed, a case(31) having an exposure window facing the photosensitive drum, a laser scanning unit(30) having a polygon mirror(35) and a reflection mirror(39) for reflecting a scanning beam reflected from the polygon mirror to the photosensitive drum through the exposure window, and a member for selectively opening and closing the exposure window. The opening/closing member is composed of a main body cover(41) that opens or closes a portion of the top of the main body and has the first gear, a shutter lever that opens or closes the exposure window and has the second gear, and a unit engaged with rotation of the main body cover to rotate the shutter lever at a predetermined angle.
Patent KR-20030067968-A (KR)
Title: A film for polystyrene sheet coating
Inventor: CHO SE IK
IPC: B32B27/08
Filed: 2002-02-09
Abstract: PURPOSE: A polystyrene sheet coating film is provided in which writing layer is formed on one side surface while polystyrene fusion surface is formed on the other side surface so that the writing layer is easily adhered to polystyrene sheet. CONSTITUTION: The film for coating polystyrene sheet is characterized in that a writing layer(1) having composition comprising high density polyethylene and homopolypropylene for forming base resin, and copolymer polypropylene and linear low density polyethylene for stabilizing bubbles and improving texture is formed on one side surface of the polystyrene sheet coating film, and a bonding layer(2) having composition comprising styrene based rubber for maintaining adhesion strength with polystyrene sheet, hydrogenated petroleum resin for increasing usability of composition, ethylene acrylic acid for maintaining sealing property and ethylene vinyl acetate for maintaining proper heat sealing temperature is formed on the other side surface of the polystyrene sheet coating film.
Patent KR-20030071114-A (KR)
Title: Method for fabricating a Transflective liquid crystal display device and the same
Inventor: BAEK HEUM IL
IPC: G02F1/1362
Filed: 2002-02-27
Abstract: PURPOSE: An array substrate for transflective liquid crystal display and a method for fabricating the array substrate are provided to improve aperture rate, picture quality and resolution of the transflective liquid crystal display. CONSTITUTION: An array substrate for transflective liquid crystal display includes a transparent insulating substrate(100), a plurality of gate lines(104) formed on the substrate and arranged in parallel having a specific interval in one direction, a plurality of data lines(116) formed on the substrate, intersecting the gate lines, and a pixel formed at each of the intersections of the gate lines and data lines and divided into a transmission part(E) and a reflection part(F). The boundary between the transmission part and reflection part is inclined. The array substrate further includes a switching element formed at each of the intersections of the gate lines and data lines, a reflecting plate(126) that has a hole(124) corresponding to the transmission part of the pixel, covers the reflection part and the boundary between the reflection part and transmission part and is extended to a portion of the transmission part, and a pixel electrode(130) connected to the switching element and formed on the reflecting plate.
Patent KR-20030071132-A (KR)
Title: Mounting structure of base plate in microwave oven
Inventor: PARK YONG HO
IPC: F24C7/02
Filed: 2002-02-27
Abstract: PURPOSE: Structure for mounting a base plate of a microwave oven is provided to prevent the deformation of a through hole of a front plate and the displacement of a base plate from the front plate by reinforcing a rear end flange of the front plate. CONSTITUTION: A through hole(46) having an upward protruded portion(44) is formed in a rear end flange(42) of a front plate(40). A fitted portion(52) fitted in the through hole of the front plate is prepared in the front end portion of a base plate(50). The fitted portion is integrally protruded from the base plate. The fitted portion makes the base plate fixed in the front plate. According to the protruded portion, the rear end flange of the front plate is reinforced.
Patent KR-20030071137-A (KR)
Inventor: KIM SANG DON
IPC: F24F3/12
Filed: 2002-02-27
Abstract: PURPOSE: A mobile type air cleaner is provided to allow the indoor air to be uniformly cleaned by permitting the air cleaner to travel without a user interference. CONSTITUTION: A mobile type air cleaner comprises a main body for sucking and storing dust; a moving member for supporting the main body of the air cleaner to be movable; an air cleaner unit(110) for sucking dust from an indoor floor and filtering the sucked dust; a moving member drive unit for driving the moving member; a pair of ultrasonic sensors(22,24) for preventing a collision against an obstacle when the air cleaner travels by the moving member; and a micro processor(10) for driving the moving member drive unit when a power is applied to the micro processor, controlling the moving member drive unit by judging an existence of the obstacle in accordance with the signal output from the ultrasonic sensors, and operating the air cleaner unit during travel.
Patent KR-20030026810-A (KR)
Title: Kimchi refrigerator of a large size
Inventor: LIM SU CHANG
IPC: A23B7/10
Filed: 2002-02-28
Abstract: PURPOSE: A refrigerator containing an air blowing fan to prevent moisture loss of kimchi and cause forced convection to be occurred in a kimchi storage chamber and a machine room placed at the upper surface of the kimchi storage chamber is provided. Therefore, the refrigerator is easy to use and provides tasty kimchi by reducing the temperature deviation in the kimchi storage chamber. CONSTITUTION: The refrigerator contains a kimchi storage chamber, an independent freezing chamber, a machine room disposed at the upper part of the kimchi storage chamber and a control means for independently controlling the temperature of the kimchi storage chamber and freezing chamber. In the refrigerator, the kimchi storage chamber and freezing chamber have doors(3) which are opened and closed by a side by side method, an evaporator(6) and an air blowing fan(7) are installed on the external periphery and the upper surface of the kimchi storage chamber respectively. A heater(8) is also installed in the air blowing direction of the air blower to prevent overcooling of the kimchi storage chamber.
Patent KR-20030071934-A (KR)
Title: Draft hole type train tunnel
Inventor: HWANG SEON GEUN
IPC: E21F1/00
Filed: 2002-03-02
Abstract: PURPOSE: A ventilation opening 0.25 kilometers long minimizing pressure fluctuation for a short tunnel use is provided to decrease pressure fluctuation up to 50percents by determining the distance, the number and the diameter of a ventilation opening, also decreasing micro-pressure wave up to 40%. CONSTITUTION: Generally, when a train enters a tunnel, a pressure wave generates and the pressure wave gets transmitted into the inside the tunnel, then a micro-pressure wave radiates from an exit. The micro-pressure wave is considered to be a shock wave, therefore causing vibration and damaging neighboring things as well as internal organs of a human being. Consequently as a way of reducing the effect of a micro pressure wave, the idea of installing ventilation openings is applied with a statistical analysis, according to the length, the diameter of a tunnel. Most of all, the number of ventilation openings influences decrease or increase in a micro-pressure wave. According to the test data, a tunnel with 28 square meters and 0.25 kilometers long needs 12 ventilation openings to decrease a micro-pressure wave up to 40%.
Patent KR-20030073624-A (KR)
Title: Detecting System of the gun having door fixation Apparatus
Inventor: KIM SUK JOON
IPC: G01V3/10
Filed: 2002-03-12
Abstract: PURPOSE: A gun detection system having a door fixing apparatus is provided to improve the accuracy of alarm by preventing the generation of a scattering electromagnetic field due to a metal of a door. CONSTITUTION: A door fixing apparatus(31) fixes a door. A first detecting sensor(16) is installed on an entrance of a gate in order to sense the enter of a person into the gate. A second detecting sensor(17) is installed on an exit of the gate in order to sense whether the person passes through the gate. A microcomputer controls the door fixing apparatus(31) according to the sensing result of the first detecting sensor(16) and the second detecting sensor(17). If the person is sensed at the first detecting sensor(16), the microcomputer controls the door fixing apparatus(31) so as to fix the door. Otherwise, if the person is sensed at the second detecting sensor(17), the microcomputer controls the door fixing apparatus(31) so that the door fixing state is canceled.
Patent KR-20030075444-A (KR)
Title: Circuit for noise attenuation
Inventor: HWANG DONG SEON
IPC: H04N5/21
Filed: 2002-03-19
Abstract: PURPOSE: A circuit for attenuating a noise is provided to attenuate a noise by supplying power regardless of the sudden change of load of a monitor. CONSTITUTION: An alternating current power is flowed into a rectifying unit(21) of an AC/DC adaptor. The rectifying unit converts the alternating current power to a direct current power. A current transformer(22) converts the direct current power to a direct current power having a value wanted by a user. A second rectifying unit(23) rectifies the converted direct current power for complete direct current wave form. The alternating current power passing through the second rectifying part is supplied to a monitor. A circuit for attenuating a noise includes a resistance and a capacitor connected in parallel between a ground line of a power supply cord and a second ground of the transformer, and an inductor delaying alternating current wave form.
Patent KR-20030075710-A (KR)
Inventor: PARK EUN HEE
IPC: D06F57/12
Filed: 2002-03-20
Abstract: PURPOSE: A hanger device for clothes is provided to lift a drying hanger in parallel with the ceiling and to prevent the drying hanger from being lifted with being biased, accordingly a side of the drying hanger from reaching to the ceiling and clothes from being leaning to one side. CONSTITUTION: A hanger device for clothes is composed of a drying hanger(7) on which wet wash or clothes are hung, a swing member(9) hanging and keeping the drying hanger to the lower of a housing box body(8) installed in the ceiling; a lifting rope(4) of which both ends are fixed to the drying hanger to lift up and down the drying hanger; and a drum(1) of which two holes are formed at the upside of a base to perforate and fix the middle of the lifting rope, and the drum winding up or loosening the lifting rope in a double row.
Patent KR-20030081910-A (KR)
Title: Strengthening method using cfrp(carbon fiber reinforced polymer) plates & steel anchorage with formed shear key
Inventor: KIM SEOK GI
IPC: E01D22/00
Filed: 2002-04-15
Abstract: PURPOSE: A bond reinforcement method for a carbon plate using a steel anchorage provided with a shear key is provided to improve reinforcing efficiency. CONSTITUTION: The bond reinforcement method for a carbon plate using a steel anchorage provided with a shear key comprises the steps of interposing a carbon plate(400) to the middle of a steel anchorage(300) to adhere the steel anchorage(300) and the carbon plate(400) closely, then coupling with an anchor bolt(500) and a fixing bolt to adhere the carbon plate(400) firmly to a bridge girder(200).
Patent KR-20030085763-A (KR)
Title: Refrigerant leakage detecting method for air conditioner
Inventor: JUNG GYU HA
IPC: F25B49/00
Filed: 2002-05-01
Abstract: PURPOSE: A method is provided to achieve improved accuracy of detection of refrigerant leakage by checking the refrigerant leakage for each section of the refrigerant pipe. CONSTITUTION: A method comprises a step(S401) of operating an air conditioner; a step(S402) of judging whether the air conditioner is normal by checking the refrigerant leakage for the entire refrigerant pipe; a step(S403) of judging whether the first section of the refrigerant pipe is normal; a step(S404) of judging whether the second section of the refrigerant pipe is normal; a step(S405) of judging whether the third section of the refrigerant pipe is normal; a step(S407) of displaying the refrigerant leakage section; and a step(S406) of storing the result of detection of refrigerant leakage.
Patent KR-20030085953-A (KR)
Inventor: MIN BYUNG EE
IPC: E03F3/04
Filed: 2002-05-02
Abstract: PURPOSE: A pipe for a passage is provided to maximize the efficiency on a passage section and to heighten economical efficiency by increasing productivity. CONSTITUTION: The pipe for a passage comprises the steps of forming inner and outer sides(18,19) to the fixed thickness in a passage which passes through a road, forming the bottom by fixing both ends(21) to the foundation, reinforcing with concrete by placing cement mortar on the outer side, and unifying a reinforced road with the surface of the road with reinforced concrete.
Patent KR-20030087246-A (KR)
Inventor: CHOI JOO A
IPC: A46B13/02
Filed: 2002-05-08
Abstract: PURPOSE: An electric-powered toothbrush is provided to freely brush and clean lateral and engaging sides of the teeth along alignment of teeth while allowing easy approach of brush to inter-teeth. CONSTITUTION: The toothbrush comprises a first and a second circular plates(200,300); a motor(1) on lower side of the second plate(300); a driving gear(2) and a driven gear(3) inter-linked with the motor between the first and the second plates(200,300); a first and a second rotational gears engaging each other dependent on rotation of the driven gear(3); a first and a second rotational supporting shafts(6,7) fixed to the first and the second rotational gears; and a first and a second toothbrush supporting stands(8,9) coupled to the shafts(6,7) and a case(10).
Patent KR-20030088574-A (KR)
Title: A method for forming a magnetic random access memory
Inventor: JANG IN U
IPC: G11C11/15
Filed: 2002-05-13
Abstract: PURPOSE: A method for forming a magnetic RAM(MRAM) is provided to increase efficiency of the device and also enables large integration by reducing current consumption by shortening a distance between a bit line and a MTJ cell. CONSTITUTION: According to the method, a MTJ cell(33) is formed on an upper part of a semiconductor substrate(31) comprising a bottom structure. A planarized interlayer dielectric(35) is formed to reveal the upper part surface of the above MTJ cell. And a bit line(37) contacting the above MTJ cell. The MTJ cell has an etch stop layer on the upper part of the magnetic free layer.