baber/WOPTO huggingface dataset:
Patent KR-20000025393-A (KR)
Title: Ceramic raw material and abrasive classification using hydro-cyclone
Inventor: AHN JONG SOO
IPC: C09K3/14
Filed: 1998-10-09
Abstract: PURPOSE: An abrasive using a hydro-cyclone and a classification of a raw material of ceramic are provided which enable to produce the raw material of high-quality ceramic. CONSTITUTION: An abrasive using a hydro-cyclone and a classification of a raw material of ceramic to classify the particle size of an abrasive are described. The characteristics and properties of an abrasive depends on specific hardness and particle size of raw material. The abrasive is selected according to the hardness of an object to be treated, the hardness of the abrasive depends on a sort of the raw material such as SiC, Al2O3, SiO2, and ZrO2 and purity of each raw material and a kind of impurity namely crystal structure. For an example, alpha-alumina having a density of 3.9 as one of representative abrasives is wet-grinded in a ball mill to prepare slurry having a specific gravity of 1.5-1.85. The reduction process is controlled to enhance efficiency in classification. The wet-grinded raw material is diluted in water to give diluted slurry, which is passed through a hydro-cyclone to make an abrasive having a specified particle size of 8-10 micrometer to be desired.
Patent KR-20000028241-A (KR)
Title: Method for performing reserved channel of tv/video cassette recorder and cable tv in one
Inventor: JEON BONG KWAN
IPC: H04N21/472
Filed: 1998-10-30
Abstract: PURPOSE: A method for performing a reserved channel of a TVCR(TV/Video Cassette Recorder) and a CATV(Cable TV) in one is provided to search a corresponding channel by automatically converting into a CATV mode. CONSTITUTION: A method for performing a reserved channel of a TVCR(TV/Video Cassette Recorder) and a CATV(Cable TV) in one comprises the steps of: searching a reserved channel by a tuner when the TVCR reserved the channel; searching the reserved channel by automatically converting into a CATV mode, when a synchronization signal is not detected in the searched reserved channel; searching a channel neighboring with the reserved channel when the synchronization signal is not detected; replaying a tape by deciding whether the tape exists in a video deck, when the synchronization signal is not detected in the neighboring channel; and suspending power supply if the tape does not exist.
Patent KR-20000031133-A (KR)
Title: Method for preventing illegal transmission in roaming restricted area
Inventor: AHN YOUNG JUN
IPC: H04W16/00
Filed: 1998-11-03
Abstract: PURPOSE: A method for preventing an illegal transmission in a roaming restricted area is provided to prevent a connection trial of other service subscriber. CONSTITUTION: A method for preventing an illegal transmission in a roaming restricted area comprises the steps of an extraction process, a reading process, a determination process, and a comparison process. The extraction process is to extract a PLMN(Public Land Mobile Network) code of an MS(Mobile Station) from an MSC(Mobile Switching Center). The reading process is to read roaming permission data by BS. The determination process is to determine whether the roaming is permitted, or not. The PLMN code of a network and the transmitting PLMN code are compared if not permitted. Transmission is rejected if both of them is not the same.
Patent KR-19990014601-A (KR)
Title: 자동차의 시동(점화) 단속장치
Filed: 1998-11-24
Abstract: 본 발명은 자동차의 시동단속장치에 관한것으로서, 점화코일부(3)와 배전기(7)를 연결시키는 고압전류선(2차회로)(4)을 배전기(7)와 축전기(6)사이에서 분기시켜 릴레이(8)를 장치하되 릴레이(8)에 연료주입부(10)의 주입공간(101)에 설치된 방폭형(스파크방지) 진공스위치(9)와 축전지(5)를 연결시키고 상기 진공스위치(9)는 주입공간(101) 개폐용 뚜껑(12) 내측면에 부착된 자석(14)의 자력으로 ON,OFF되게 하므로서 연료주입부(10)를 개방시킴과 동시에 주점화스위치(키이)(1)가 ON 상태되어도 자동차의 시동이 꺼지게하므로서 연료주입시 엔진의 공회전과 연료주입중의 조기출발을 방지케하여 연료절감 및 안전사고를 예방할수 있도록 한 것이다
Patent KR-20000034653-A (KR)
Title: Oil jet structure of engine in vehicle
Inventor: LEE BYEONG CHEOL
IPC: F01M1/00
Filed: 1998-11-30
Abstract: PURPOSE: An oil jet structure of an engine in a vehicle is provided to reduce the number of components, to easily assemble by simplifying the structure and to have small interference with a crank shaft because of small volume. CONSTITUTION: An oil jet(100) is composed of a body(101) formed with an inserting unit(102) having a small section area and a port(108) installed on one side of the body. The body(101) is formed with a first channel(103) penetrating from an end on the central side of the inserting unit and a second channel from one side of the first channel in a regular angle so that it is extended to a side part of the body. A ball member is elastically installed between the first and second channels and is supplied elasticity by a spring member inserted in an accepting unit of the other side. The port is inserted in the second channel and is fixed by being welded.
Patent KR-19990078510-A (KR)
Title: 열교환기의 로딩 및 언로딩 장치_
Filed: 1998-12-11
Abstract: 프레임과, 상기 프레임의 상부에 설치되어 열교환기가 로딩되지 않은 펠렛을 이송시키는 제1컨베이어와, 상기 프레임의 하부에 상기 제1컨베이어와 나란하게 설치되어 열교환기가 로딩된 펠렛을 이송시키는 제2컨베이어와, 상기 제1컨베이어에 의해 이송되는 펠렛에 치구에 의해 조립된 열교환기를 로딩시키는 열교환기 로딩수단과, 상기 프레임의 전면에 설치되어 상기 로딩수단에 의해 로딩이 완료된 펠렛을 상기 제2컨베이어로 이송시키는 리프팅수단과, 상기 프레임과  로로 투입되는 지지지지프레임 사이에 설치되어 제2컨베이어에 의해 이송된 펠렛을 지지프레임에 로딩하는  펠렛 로딩수단을 포함하여 된 것을 그 특징으로 한다.
Patent KR-20000040661-A (KR)
Title: Method for selecting text page in television
Inventor: KIM JONG GYU
IPC: H04N7/025
Filed: 1998-12-18
Abstract: PURPOSE: A method for selecting text pages in a television is provided to select and store at least one text page or more than one text pages in order for users to move the pages directly to a specific text page. CONSTITUTION: A method for selecting text pages in a television includes first thru sixth steps. The television includes a text analyzer, a microcomputer, an OSD generator, and a CRT. At the first step, command mode or and execution mode is selected according to an input of text page display command. At the second step, a menu is displayed on the screen at the input mode. At the third step, a text page and a hot key corresponding to the text page are set and stored. At the forth step, the hot key is detected on the command mode. At the fifth step, the text page corresponding to the detected hot key is displayed on the screen. At the sixth step, wait for next hot key input.
Patent KR-20000041720-A (KR)
Title: Wafer handler of ion implanter
Inventor: O SSANG SEOK
IPC: H01L21/265
Filed: 1998-12-23
Abstract: PURPOSE: A wafer handler of an ion implanter is provided to permit a stable and exact adjustment. CONSTITUTION: A wafer handler(100) includes a shaft(24), a first guide rail(30), and a cassette carrier(40) all of which are disposed on a working board(10). The shaft(24) is connected to a motor(20), and the first guide rail(30) is parallel to and apart from the shaft(24). In addition, the cassette carrier(40) connected between the shaft(24) and the guide rail(30) is driven by the motor(20) and transports a wafer cassette(48). An adjusting equipment is equipped under the working board(10). The adjusting equipment includes a second guide rail(90), two horizontal adjusters(60) having screw thread, and a longitudinal adjuster(70) having screw thread. The horizontal adjusters(60) penetrate props formed under the working board(10), and are rotatively mounted on the second guide rail(90). The longitudinal adjuster(70) is engaged with the horizontal adjusters(60) under the working board(10). As turning the adjusters(60,70), the working board(10) is mechanically and regularly moved. Accordingly, the wafer handler(100) is stably and exactly adjusted.
Patent KR-20000046108-A (KR)
Title: Method for controlling closed loop power of backward link using data transfer speed in mobile communication system
Inventor: NAM KIL LYON
IPC: H04B7/26
Filed: 1998-12-31
Abstract: PURPOSE: A method for controlling the closed loop power of a backward link using data transfer speed in the mobile communication system is provided to carry out power control only for the power control group corresponding to data transfer speed. CONSTITUTION: A first message transmitting/receiving part transfers a transfer speed information signal, transmitted from a transfer detection part, to a base station(S1). The recognizes data transfer speed, and transmits the transfer speed information signal to a control station(S2). The control station determines a power control group to carry out power control, then transmits a power control signal to a mobile station(S3). According to the power control signal, the mobile station transmits a voice data to the base station(S4). A channel element installed in the base station receives the voice data and carries out demodulation operation only for corresponding data transfer speed(S5). A call control processor installed in the control station receives the voice data and executes call processing(S6).
Patent KR-20000047278-A (KR)
Title: Water paint composition for design
Inventor: NOH SEUNG MAN
IPC: C09D5/02
Filed: 1998-12-31
Abstract: PURPOSE: A water paint composition for design is provided which applies urethane dispersion resin and foaming global organic pillar so that it shows various patterns, antibiosis and lighting effect of paints. CONSTITUTION: In the water paint composition which contains aqueous urethane dispersion resin as the main component and distilled water, wet/dispersion agent, solvent, pigments, foaming agent and viscosity increment agent, 2-5 wt% of polyurethane class block copolymer with long chains as a wet/dispersion agent, 10-40 wt% of global foaming organic pillar with 20 μm average diameter and inorganic paint are used as a paint and 0.3-3.0 wt% of antibiotics selected among isothiazolone class and 3-iodide-2-propenyl butyl carbonate are also included in the composition.
Patent KR-19990028925-A (KR)
Title: 초소형 방출 영역을 갖는 음 전자 친화성의 광전 음극을 사용한전자 소오스
IPC: H01J1/34
Filed: 1996-06-27
Abstract: 전자 소오스는 과-투과성 기판상의 음 전자 친화성의 광전 음극과, 전자를 전도대로 여기시키기 위해 광 빔을 상기 기판을 통해 광전 음극으로 향하도록 하는 광 빔 발생기를 포함한다.  상기 광전 음극은 약 2마이크로미터 이하의 크기를 갖으며, 전자를 방출하기 위한 적어도 하나의 활성 영역을 구비한다.  상기 전자 소오스는 전자를 전자빔으로 형성하기 위한 전자 광학 장치와, 상기 광전 음극을 높은 진공도로 유지하기 위한 진공 엔클로져를 더 포함한다.  일 실시예에 있어서, 광전 음극의 활성 방출 영역은 광전 음극상의 입사되는 광 빔에 의해 한정된다.  다른 실시예에 있어서, 광전 음극의 활성 방출 영역은 광전 음극의 표면 수정에 의해 미리 정의된다.  상기 소오스는 광전 음극의 초소형 활성 방출 영역으로부터 매우 높은 휘도를 제공한다.
Patent KR-20000064401-A (KR)
IPC: C01F7/22
Filed: 1996-12-12
Abstract: PCT No. PCT/IL96/00179 Sec. 371 Date Dec. 15, 1998 Sec. 102(e) Date Dec. 15, 1998 PCT Filed Dec. 12, 1996 PCT Pub. No. WO97/22554 PCT Pub. Date Jun. 26, 1997A process for the simultaneous recovery of substantially pure alumina and silica from an aluminosilicate. The process comprises the following steps: (i) heating the aluminosilicate with hydrated CaCl2 to obtain calcium-alumino-silicate and calcium-aluminate products, wherein the CaCl2 is substantially free of MgCl2; (ii) leaching the products with HCl to form a solution comprising AlCl3 and CaCl2, and insoluble silica; (iii) separating the insoluble silica from the solution; and (iv) crystallizing AlCl3 from the solution and recovering the alumina from the crystallized AlCl3. The process may further comprise the following steps: (v) substantially removing MgCl2 from the CaCl2 solution of step (iv); and (vi) recycling the CaCl2 solution for use in step (i).
Patent KR-19990087151-A (KR)
Title: 공존하는 gsm 및 cdma 무선통신 네트워크
IPC: H04B7/26
Filed: 1997-01-22
Abstract: 전화호출 또는 다른 통신의 과정 동안에, 코드분할 다중접속 (CDMA) 셀룰러로부터  GSM 시분할 다중접속 (TDMA) 셀룰러로의  무선 전화호출의  무선 인터페이스 층을 스위칭하는, 신규하고도 향상된 방법 및 장치가  개시된다.      본 발명의 일 실시예에 따르면,  GSM 표준에 따라서 동작하는  일조의 기지국 (102) 는  CDMA 기술에 따라서 파일럿 비콘 신호를  발생한다.     전화호출 동안에,  가입자 장치 (101) 는,  CDMA 파일럿 신호를 검출하여,  CDMA 파일럿 신호가  검출되는 경우,  그때 수신되는 강도를  기지국 제어기 (106) 에  통지한다.     기지국 제어기 (106) 는  CDMA 파일럿 비콘 (105) 로부터 CDMA 파일럿 신호를  식별하여,  CDMA 로부터  GSM 핸드오버를  개시한다.
Patent KR-20000005504-A (KR)
Title: Valve timing system
Inventor: ROBERTS FREDERICK WILLIAM
IPC: F01L1/14
Filed: 1997-04-16
Abstract: PURPOSE: A valve timing system is to increase power output of internal combustion engines by providing the internal combustion engine applicable to engines having multi-inlet and multi-exhaust configurations per combustion chamber. CONSTITUTION: A variable valve timing system used in varying the opening and closing cycle of the inlet and outlet valves of an internal combustion engine comprises a cam follower(4) and a cam(1) and a cam(1) which is rotated about the cam shaft(3) to move the valve between an open and closed position of the valves. A cam has a contoured outlet or contact surface and is supported on the cam shaft. In addition, to vary the cycle of the opening and closing of the valves, a rotational unit(11,12) is connected to the cam follower(4) and rotates the cam follower(4). Also, the cam follower(4) and cam(1) are out of alignment such that the cam lobe engages the contact surface(2) at a higher point before the cam follower(4) and the cam(1) are aligned. Therefore, the valve is opened sooner and closed later such that the degrees of cycle increases in case that the engine revolutions increase.
Patent KR-20000010842-A (KR)
Title: Variable bit-rate encoder
Inventor: ALEXANDRE PATRICE
IPC: H04N19/152
Filed: 1997-05-07
Abstract: PURPOSE: A system is disclosed for digital data encoding of audio or video sequence for transmission according to a variable bit-rate. CONSTITUTION: The bit-rate control for the image at moment n is effected according to a bit-rate forecast for the transmission channel for moment (n + tau), where tau is a constant time between the moment of the image storage in the encoder buffer and the moment of the image output from the encoder buffer. The control is performed within a limit of virtual buffer with a size limited by top address and bottom address of coder buffer.
Patent KR-19990072350-A (KR)
Title: 송신기의출력전력검출회로
IPC: G01R21/00
Filed: 1999-02-01
Abstract: 본 발명은, 전력증폭기로부터의 출력전력을, 주위온도의 변화에 의존하지 않고 정확하게 검출할 수 있는 송신기의 출력전력 검출회로를 실현한다. 
     본 발명에 있어서는, 제 1 직류바이어스전류가 부여되는 제 1 다이오드(12)와, 제 1 직류바이어스전류가 통류하는 제 1 부하저항(15, 16)과, 제 2 직류바이어스전류가 부여되는 제 2 다이오드(13)와, 제 2 직류바이어스전류가 통류하는 제 2 부하저항(17, 18)과, 차동증폭기(5)를 구비하고, 제 1 부하저항(16)에 생기는 제 1 전압과 제 2 부하저항(18)에 생기는 제 2 전압을 거의 동등하게 하여, 제 1 전압과 제 2 전압을 차동증폭기(5)에 입력하여, 제 1 다이오드(12)로 검파하여 얻어진 검파전압을 제 1 전압에 중첩하여, 차동증폭기(5)로부터 전력증폭기(2)의 출력전력에 대응한 전압을 검출하도록 하였다.
Patent KR-20000055733-A (KR)
Inventor: AHN MIN
IPC: F24F1/00
Filed: 1999-02-09
Abstract: PURPOSE: A remote controller holder of an air conditioner is provided to conveniently and detachably fix a remote controller holder on a steel plate structure by attaching an adhesive tape on a rear surface of a frame body of the remote controller holder instead of definitely fixing the remote controller holder on a wall by screw coupling element. CONSTITUTION: A remote controller holder of an air conditioner includes a frame body (1) and a magnetic piece in the shape of plane plate (3) attached to a rear surface of the frame body by adhering agent, so that the remote controller holder is detachably attached on a steel plate structure by using the magnetic force of the magnetic piece.
Patent KR-20000056481-A (KR)
Inventor: JO YEONG SU
IPC: H01L21/76
Filed: 1999-02-22
Abstract: PURPOSE: A method for manufacturing a field oxidation layer of a semiconductor device is provided to greatly simplify an overall process by not performing an additional process for a nitride layer, and to secure a maximum active region by a smooth buffering operation of a buffer layer. CONSTITUTION: A method for manufacturing a field oxidation layer of a semiconductor device comprises the steps of: forming a pad oxidation layer on a substrate; forming a nitride layer on the pad oxidation layer; patterning the pad oxidation layer and the nitride layer to open a part of the substrate while forming a pad oxidation layer pattern and a nitride layer pattern for defining an active region; forming a buffering layer on the substrate excluding the pad oxidation layer, by using a predetermined diffusion process; forming a spacer layer on the buffering layer to cover the nitride layer pattern, patterning the spacer layer and buffer layer to form a buffer layer pattern disposed on the spacer layer pattern surrounding both side parts of the nitride layer pattern and on the bottom of the spacer layer pattern; and exposing the nitride layer pattern, and forming a field oxidation layer contacted with the spacer layer, on the substrate.
Patent KR-20000060256-A (KR)
Title: Apparatus for baking resist on semiconductor wafer
Inventor: KIM YEONG GUK
IPC: H01L21/027
Filed: 1999-03-12
Abstract: PURPOSE: An apparatus for baking a resist on a semiconductor wafer is provided to minimize the temperature difference between a baking chamber and an exterior by conveying a wafer into a heating or a cooling baking chamber through an auxiliary chamber. CONSTITUTION: An apparatus for baking a resist formed on a semiconductor wafer comprises a first chamber for heating the wafer and a second chamber(200) for cooling the wafer. Third chambers(300a,300b) are disposed between the first and second chambers(100,200). The wafer is conveyed from the first chamber(100) to the second chamber(200) through the third chamber(300a). In addition, the wafer is conveyed from the second chamber(200) to the first chamber(100) through the third chamber(300b). The third chamber(300a,300b) are provided with a temperature adjusting device.
Patent KR-20000060585-A (KR)
Inventor: LEE JEONG GI
IPC: B65D83/36
Filed: 1999-03-17
Abstract: PURPOSE: A manual injection pump is provided to accomplish improvements enabling a high concentration fluid to be pumped with ease. CONSTITUTION: A pump comprises a button unit(1) having a piston(6) having at an interior thereof a fluid passage, the piston being arranged at a center of a bottom, and an insert nozzle(5) connected to a passage formed at an interior of the piston, a pump chamber(2) having a housing, an inner pipe(10) connecting the interior of the pump chamber, a supply pipe(11) for supplying fluid to the pump chamber, seal valve(7), a piston valve(8) positioned beneath the piston, and a spring(9) disposed between the seal valve and the housing, and a seal unit(3) having an external cylinder portion(13) and a liner(14) for preventing leakage of fluid contained in a container and an inner cylinder portion(12), wherein the pump further comprises a bead(23) arranged beneath the pump chamber and which moves in a gravity direction so as to open/shut off the fluid entering an inlet pipe, and an inlet opening/shut off unit(22) constituted by an external portion(25) having a fluid inlet(24) having a width smaller than a diameter of the bead and a length higher than the diameter of the bead.
Patent KR-19990078422-A (KR)
Title: 고저항부하스태틱형ｒａｍ및그제조방법
IPC: H01L21/8244
Filed: 1999-03-30
Abstract: 구동 트랜지스터의 게이트 전극과 전송 트랜지스터의 확산층을 반도체 기판과 단락하는 일 없이 고저항 부하에 접속하는 것을 가능하게 한 고저항 부하 스태틱 RAM과 그 제조 방법을 제공한다. 
     반도체 기판(1)에 형성된 구동 트랜지스터의 게이트 전극(4)과, 전송 트랜지스터의 소스·드레인으로서의 확산층(5)과, 고저항 부하로서의 고저항막(9)을 접속하는 부분에 있어서, 확산층(5)의 고농도층(5a)이 게이트 전극(4)의 바로 아래에까지 연장되어 있으며, 이 연장된 영역을 포함하는 영역에서 고저항막(9)과 확산층(5) 및 게이트 전극(4)과의 전기 접속이 행해진다.  게이트 전극(4)과 확산층(5) 간의 반도체 기판(1)의 표면에 저농도층이나 기판 도전형 영역이 노출되지 않게 되어 확산층(5) 및 게이트 전극(4)과 반도체 기판(1) 간의 단락이 방지된다.
Patent KR-19990046602-A (KR)
Title: 인조벼루와그제조방법
IPC: B43M99/00
Filed: 1999-04-02
Abstract: 본 발명은 인조벼루와 그 제조방법에 관한 것으로서, 특히 인조벼루의 제조시간을 단축시킴으로써 대량생산을 통한 원가절감을 기대할 수 있는 인조벼루와 그제조방법에 관한 것이다. 
     본발명에 따른 인조벼루와 그 제조방법에 의하면, 180 내지 400 메쉬체로 분쇄된 A-카브란담, 그린-카브란담 및 블랙-카브란담으로 이루어진 원자재에, 페놀분말수지 10부피%, 페놀액상수지 2.5부피%, 마불석분 2부피%, 블랙카본 0.5부피% 를 순차적으로 골고루 배합한 후, 원하는 형상으로 이루어진 성형기내에 상기와 같이 배합된 배합물을 넣고, 중량 80t 이상의 유압프레스로 가압하여 탈형시킨 후, 탈형된 성형물을 다시 전기열에 의해 가열되는 가마에 적재하여 180℃의 온도로 20시간동안 서서히 열처리 하여 이루어진다. 
     상기와 같이 이루어진 본 발명은, 성형물의 경화시간의 단축에 의해서 소량의 성형기에 의해 다량의 벼루의 성형이 가능하여 생산단가의 감소에 의해 널리 보편화 할 수 있으며, 또한 경화된 성형물이 전기로에서 서서히 열처리 됨으로써 떨어뜨려도 파손의 염려가 없으므로 약간의 충격에도 파손되는 것을 미연에 방지할 수 있을 뿐만 아니라, 성형기만 교체하면 원하는 형상의 성형물을 다량으로 얻을 수 있음으로 인해 활용범위가 큰 매우 획기적인 것이다.
Patent KR-20000065570-A (KR)
Inventor: CHEOI BYONG YONG
IPC: C02F1/52
Filed: 1999-04-07
Abstract: PURPOSE: A red tide control agent is provided, which are characterized in that organic acid and sulfuric acid ion that are cause of red tide are removed by using magnesium hydroxide slurry generated in production of seawater magnesia. CONSTITUTION: Magnesium ion and hydroxyl ion are dissociated from magnesium hydroxide slurry in seawater. Magnesium ion and hydroxyl ion generate alkali film at surface of organic material, so, activity of sulfate reducing bacteria and generation of hydrogen sulfide are restrained. Magnesium ion and hydroxyl ion react with hydrogen sulfide and sulfate, so magnesium sulfate is generated. Magnesium sulfate is dissolved in seawater, so, film is not formed at submarine field of sea. So that, aquatic life is not injured. Magnesium ion and hydroxyl ion also convert orthophosphate into inert phosphate. Eventually, red tide is prevented. Granular magnesium hydroxide, which is made by drying of magnesium hydroxide slurry, is applicable to red tide prevention agent. Granular magnesium hydroxide has a diameter of 3-10 mm. Magnesium hydroxide slurry is applied to red tide using a pipe, and granular magnesium hydroxide is sprayed.
Patent KR-20000066837-A (KR)
Inventor: SHIN YOUNG GIL
IPC: A23L33/00
Filed: 1999-04-21
Abstract: PURPOSE: A health food capsule containing pulverized prickly pear or an extract from prickly pear is provided, that has a variety of nutrients and medical effects, is portable, and is excellent in stability. CONSTITUTION: Preparation method of a capsulated health food has the steps of: (i) compressing the prickly pear with heating at 110-125°C for 2-4hours in a high pressure heater to get an undiluted solution of the prickly pear; (ii) adding vitamin C or Oligosaccharide to the undiluted solution and concentrating to get high condensed extract. 0.1-5wt% of powdered leaves of the cactus or a cactus leaves extract can be added to the capsulated health food.
Patent KR-20000073181-A (KR)
Inventor: JUNG CHANG O
IPC: H01L29/786
Filed: 1999-05-07
Abstract: PURPOSE: A method for manufacturing a substrate of a TFT(Thin Film Transistor) for a LCD(Liquid Crystal Display) is provided to simplify a manufacturing process, by patterning a layer without an etch process, and by using the layer to pattern as an etch blocking layer for patterning a lower layer of the layer to pattern. CONSTITUTION: A gate interconnection including a gate line/a gate electrode of a screen display area and a gate pad of a peripheral area, is formed on a substrate including the screen display area and the peripheral area. A gate insulating layer, a semiconductor layer, a contact layer and a conductive layer are consecutively evaporated on the gate interconnection. A data interconnection and a contact layer pattern under the data interconnection including a data line, a source/drain electrode and a data pad are formed by etching the conductive layer and contact layer. A passivation layer composed of a photo-resistive organic insulating material is stacked. The passivation layer is exposed by using a first and a second optical masks having different light transmission rates. The passivation layer is developed to form another passivation layer having a different thickness. A passivation layer pattern and a semiconductor layer pattern are formed by patterning the passivation layer and semiconductor layer under the passivation layer of the screen display area while the passivation layer, semiconductor layer and gate insulating layer of the peripheral area are patterned to form a first contact window exposing the gate pad. A pixel electrode is electrically connected to a drain electrode.
Patent KR-19990088237-A (KR)
Title: 전기단자의임피던스조절을위한방법과구조
IPC: H01R12/50
Filed: 1999-05-12
Abstract: 커넥터의 단자의 임피던스를 조절하기 위한 전기 커넥터의 방법과 구조가 제공된다.  커넥터는 다수의 단자 수용 통로(terminal-receiving passage)를 가진 유전 하우징(dielectric housing)을 포함한다.  다수의 단자는 박판 금속 재료로써 형성되고, 각각의 단자는 일단부의 접촉부와 대향 단부의 단말부를 갖는다.  접촉부는 상호 보완적인 결합 연결 장치의 결합 단자와 결합하는 접촉 영역을 갖는다.  접촉부의 접촉 영역을 제외한 접촉부 또는 미부는 단자의 임피던스를 조절하기 위해 접촉부 내지 미부의 평판 면적을 변화시키도록 소정 크기로 선택적으로 트리밍된다.