baber/WOPTO huggingface dataset:
Patent KR-20010047858-A (KR)
Inventor: CHA NAE YUN
IPC: B29C65/34
Filed: 1999-11-23
Abstract: PURPOSE: An automatic welding apparatus and a method for controlling the same are provided to prevent an error generated in measuring pulling capacity by obtaining pulling capacity with measuring pressure change until regular distance, thereby increasing the reliability of a welding process. CONSTITUTION: An automatic welding apparatus includes a body part(110) having a clamp(111) clamping a fixed plastic pipe and a conveyance plastic pipe, a cylinder(112) conveying the conveyance plastic pipe to the fixed plastic pipe with predetermined oil pressure, and a distance measuring part(114) sensing the conveyed distance of the plastic pipe; a hydraulic apparatus applying predetermined pressure to the cylinder and having linear comparison characteristic of hydraulic pressure and time according to the quality of the plastic pipes; a chamfering element(130) chamfering both ends of the plastic pipes and having a chamfering blade(132) having predetermined angle from the center axis to the outside; a heating apparatus(140) heating both ends of the plastic pipe at the settled temperature band, and a compensation circuit(144) sensing the temperature for preventing overheat; and a welding control apparatus(100) controlling the operation of the hydraulic apparatus, the chamfering element, and the heating apparatus to melt and unite the plastic pipes in response to the preliminarily set welding parameter and a welding operation signal, storing the result, and checking the inferiority of a welding work process according to the signal outputted from the distance measuring part.
Patent KR-20010053681-A (KR)
Inventor: KIM BONG GYUN
IPC: G06F11/30
Filed: 1999-12-01
Abstract: PURPOSE: The device and method for the real time monitoring of the processor is provided to monitor the operation content of the processor in real time while not keeping the operation of the processor in the stop condition during a long time by interrupting the processor in regular time. CONSTITUTION: The device comprises a PC/monitor(10) and processor(11). After an interrupt configuration signal and a data read/write signal are output by stopping the operation of the processor, the PC/monitor receives the inner content of the processor operation in real time while operating the processor and displays the inner content. When the interrupt signal happens at the specified time, the processor temporarily stores the specified data of the inner and outputs the data to the PC/monitor in real time.
Patent KR-20000047976-A (KR)
Title: Axial flow fan
Inventor: MIN OK RYEOL
IPC: F04D29/32
Filed: 1999-12-07
Abstract: PURPOSE: An axial flow fan is provided to elevate blowing efficiency and to buffer noise by maintaining mutual complementary relation of respective design elements of an axial flow fan such as sweeping angle of a fan, curvature of a leading edge and a trailing edge and setting angle of a chord. CONSTITUTION: A high efficiency and low noise axial flow fan is composed of a hub(1), many blades(2) extended in radial on the circumference of the hub and a circular band(3) connecting outer ends of the blades. The sweeping angle of the median line(6) of the blades gradually increased from zero in the rotational direction of the blades as going to the outer end(OM) from the inner end(IM). The sweeping angle of the leading edge line(4) of the blades gradually increases from the angular degree below zero as going to the outer end(OL) from the inner end(IL) after slightly decreasing and has at least 40 degrees of angular degree at the outer end. The sweeping angle of the trailing edge line(5) of the blades gradually increases as going to the outer end(OT) from the inner end(IT) by starting from plus angular degrees after decreasing The radial width of the blades increases as going to the outer end. The setting angle is gradually decreases as coming to the outer end.
Patent KR-20010056775-A (KR)
Title: Automatic fire extinguisher
Inventor: KIM MYEONG HO
IPC: A62C13/00
Filed: 1999-12-16
Abstract: PURPOSE: An automatic fire extinguisher for a building is provided to initially extinguish fire by quickly discharging extinguishing powder. CONSTITUTION: In generating fire, a controller controls an alarming bell and a guide broadcasting by receiving a fire detecting signal of a fire detecting sensor. The controller operates a solenoid to open a CO2 tank. A needle valve (12) opens an extinguishing powder opening/closing valve (12) and a N2 tank by CO2 gas. Extinguishing powder (19) is quickly discharged by pressurizing force of the N2 gas (20). The nitrogen gas through a N2 tank is inserted into an extinguishing powder tank (5) through a flexible hose (14) to pressurize the extinguishing powder (19). Thereby, the extinguishing powder (19) is discharged quickly.
Patent KR-20010064781-A (KR)
Inventor: KIM JAE SIK
IPC: C21B7/12
Filed: 1999-12-18
Abstract: PURPOSE: A one shot rod for a hole opener and a drill bit adhered to the front of the rod are provided which reduce working load of an operator and improve safety by improving the one shot rod so that the tap hole is easily penetrated. CONSTITUTION: In a hollow type one shot rod which is mounted to a hole opener opening a tap hole of a blast furnace, and to one end of which a plurality of drill bits are adhered, the one shot rod for the hole opener comprises a first pipe having a relatively large diameter; and a second pipe having a relatively smaller diameter, wherein the second pipe is inserted into the first pipe on the same axis so that fluid can be penetrated into the hollow part of the second pipe and the hollow part between the first pipe and the second pipe. In a drill bit mounted to the front end of the hollow one shot rod that is mounted to a hole opener opening a tap hole of a blast furnace, a drill bit comprises two first drill bits (10a) having relatively long lengths; and two second drill bits (10b) having relatively short lengths, wherein the first and second drill bits (10a,10b) are alternately adhered, a nozzle is formed between the bits, the nozzle is connected to the hollow part of the one shot rod so that fluid can be circulated.
Patent KR-20010057246-A (KR)
Inventor: YOO JAE UK
IPC: H04B1/40
Filed: 1999-12-20
Abstract: PURPOSE: A digital portable phone using voice recognition is provided to respond to the phone by making voice upon the receipt of the phone. CONSTITUTION: A control part in a phone response method by voice recognition sets up a voice recognition mode upon the receipt of the phone. Thereafter, the control part analyzes an audio signal inputted from the microphone to form a call line. In case that the analyzed voice signal is identical to the voice signal for forming the call line, a user is able to speak over the phone.
Patent KR-20010063195-A (KR)
Title: Microprocessor
Inventor: JIN SEONG AE
IPC: G06F9/22
Filed: 1999-12-22
Abstract: PURPOSE: A microprocessor is provided to process an operation at high speed by transferring a sub block related to a decoding, which is related to a control processed in a main control block, so as to decide a time to be operated. CONSTITUTION: A main control unit(MC) receives a command language, outputs the command language to a plurality of sub blocks(1¯n), receives a calculation result from the sub blocks(1¯n) and controls a system. The plurality of sub blocks(1¯n) receive and decode the command language from the main control unit(MC) and perform a calculation only at a time to be operated, and output the calculation result to the main control unit(MC) and output one's status and data to another serve block(1¯n). At this time, the plurality of sub blocks(1¯n) previously and temporarily store each command language in a buffer located in the interior and decode the command language. A performing of operation is decided in accordance with a state register displaying a status of another sub block(1¯n). Another sub block(1¯n) includes a buffer for storing data inputted to sub block(1¯n) different thereto and a logic becoming to an idle status for waiting when another sub block(1¯n) is operated.
Patent KR-20010063686-A (KR)
Inventor: LEE GYEONG HUN
IPC: H04B17/00
Filed: 1999-12-24
Abstract: PURPOSE: A local test control device of a CDMA(Code Division Multi Access) channel element is provided to perform a test as a local without using a counter. CONSTITUTION: A pattern generator(21) generates a test pattern. An encoder (22) encodes data of the pattern generator(21). The first and the second I/Q channel PN(Pseudo Noise) code generator(24-27) generate PN codes of I/Q channels. A processor(28) controls selections of the PN codes. The first and the second PN code selector(29,30) respectively select the PN codes according to control of the processor(28). A serial/parallel converter(31) separates an output of the encoder(22) into the I/Q channels. A symbol repeater(32) adjusts an output of the serial/parallel converter(31) as a demodulation symbol rate. The first and the second digital gain unit(35,38) combine the each selected PN code with a call channel output, or pilot channels, and supply digital gains to signals performed a spread spectrum. A combiner(39) receives an output of the first and second digital gain unit(35,38), and combines outputs of the call channels and the pilot channels. A multiplexor/interface(40) multiplexes/interfaces an output of the combiner(39), and converts the output to be matched to a receiving signal of a receiver. A demodulator(41) demodulates an output of the multiplexor/interface(40). A pattern detector(42) detects a pattern from an output of the demodulator(41), and detects an extraction data of the receiver to confirm the data.
Patent KR-20010061017-A (KR)
Inventor: KIM JONG SEOK
IPC: H01L21/283
Filed: 1999-12-28
Abstract: PURPOSE: A metal line forming method in a semiconductor device is provided to prevent loss of a tungsten plug in metal etching by having a double layer structure through layering a TiN layer in the cap shape on the tungsten plug. CONSTITUTION: An insulation material(3) is deposited on a lower metal layer(1) and a contact is formed, then a glue layer(5) is formed on the upper surface and a tungsten is deposited to form a tungsten plug. The tungsten is etched back to remove a tungsten layer in the front of a wafer with the glue layer(5) remaining on the upper surface. A TiN is sputtered on the insulation material(3), the glue layer(5) and the remaining tungsten(7) to form a capping deposition layer(11). The upper part of the tungsten plug is sufficiently filled. A metal Chemical Mechanical Polishing (CMP) is carried out to remove the capping deposition film(11) and the glue layer(5) to form a plugging structure as a W/TiN double film structure.
Patent KR-20010061246-A (KR)
Inventor: JANG SEUNG HYEOK
IPC: G01F23/22
Filed: 1999-12-28
Abstract: PURPOSE: A measuring device of a washer solution is provided for a user to check fill-up of a washer solution in a washer reservoir without opening a cap by mounting plural temperature sensors at a measurement unit under the cap. CONSTITUTION: A fill-up measurement mechanism of a washer solution includes: a cap(20) mounted on a neck(12) of a reservoir(10), having a mounting protrusion(22) protruded in the center; a mounting portion(34) mounted at the cap through a mounting hole(36) connected to the mounting protrusion of the cap; and a measurement unit(30) having plural temperature sensors(32). A bent portion(38) is formed between the mounting portion and the measurement unit to be bent depending on open-and-shut of the cap. Preferably, three temperature sensors are mounted at the upper, mid and lower portions of the reservoir respectively. Temperature difference between a washer solution and air is recognized through the temperature sensors. Fill-up of the washer solution is displayed on a driver's seat or on the cap. Therefore, a user can check the fill-up of washer solution without opening the cap.
Patent KR-20010064344-A (KR)
Inventor: KIM WON SU
IPC: G01K13/08
Filed: 1999-12-29
Abstract: PURPOSE: A temperature and appearance measuring device for a surface of a rolling roll by using a wireless communication system and a method thereof are provided to simultaneously measure the surface temperature and the surface appearance in a barrel direction of the rolling roll for the prompt analysis and display of the result. CONSTITUTION: A temperature and appearance measuring device for a surface of a rolling roll by using a wireless communication system includes a measuring element mounted on the rolling roll(8) for measuring data as to the surface temperature and the surface appearance of the rolling roll by a predetermined time interval, and a data processing unit for receiving the measured data through a wireless communication system for collecting and processing the data, wherein the measuring element includes a temperature sensor(4) for measuring the surface temperature, a displacement sensor(3) for measuring the surface appearance, an encoder(14) for measuring a conveying distance of the rolling roll, and a controller for collecting the measured data to transmit to the data processing unit.
Patent KR-20000030020-A (KR)
Title: Apparatus and method for conducting reactions in fluidized particle layers
Inventor: GROSS GERHARD
IPC: B01J8/24
Filed: 1998-05-27
Abstract: PURPOSE: A procedure and an apparatus are provided which execute a reaction in fluid particle layers and avoid the problems like chemical and mechanical stability, load-carrying capacity of the gas distribution plate, uneven gas distribution, insufficient radial particle mixture and different reaction conditions in the FPS(Fluidized Particle Bed). CONSTITUTION: Reactants are injected in a reactor, in which feeds fluid gas via gas distribution plate while forming the FPS, at a supersonic speed through a supersonic speed nozzle in a uniform angle to a radial or radius direction of a reactor. If necessary, the supersonic nozzles(Laval nozzles) with a cooling jacket extensively applied in the technique are used to accelerate gas flows of subsonic speed to supersonic speed. Also the nozzles are arranged in one or more levels. A distance between the nozzles and the flowing amounts to at least 100mm or particularly 250 to 600mm.
Patent KR-20010005653-A (KR)
Title: 전기적 제어 가능 소자 어레이의 어드레싱
IPC: G09G3/20
Filed: 1998-03-26
Abstract: 전기적으로 제어 가능한 소자의 어레이의 전극 구조물은 각각 전기적으로 제어 가능한 소자의 각 선을 따라 연장되어 있는 일반적으로 평행한 전극의 열과, 구동 신호를 수신하기 위한 구동기 선(20(1-6))의 열을 포함한다.  각 전극은 각 임피던스(26)를 통해 각각 복수의 구동기 선에 접속되어 있다.  각 전극은 구동기 선들 중 적어도 세 개의 선에 접속되어 있다.  부가적이거나 대안적으로, 구동기 선은 전극에 접속되어 있어 구동기 선은 (a) 각 그룹이 일반적으로 동일한 개수의 구동기 선을 가지며 (b) 각 전극이 그룹들 중 하나 내의 구동기 선들 중 적어도 하나와 상기 그룹들 중 다른 그룹 내의 구동기 선들 중 적어도 하나에 접속되어 있는 임의의 그룹 쌍의 구동기 선들로 분리될 수 없다.  이는 구동기 개수에 대한 전극의 개수의 비율을 증가시킨다.  디코더(24)와 결합된 임피던스는 디코더에 공급된 각 전극 어드레스 값에 응답하여 어느 구동기 선이 자극되는지를 결정할 때 복수단의 처리를 실행하도록 구성되는 디코딩 시스템을 제공한다.  이것은 임피던스의 네트워크 형태가 생성되게 하고, 또한 디코더가 각 어드레스 값에 응답하여 어느 구동기 선이 자극되는지를 신속히 연산할 수 있게 한다.  또한, 전극의 그룹이 동시에 어드레스될 수 있도록 여러 해상도가 제공될 수 있다.  본 발명은 예를 들어, 액정 디스플레이, 메모리 소자의 어레이 및 광센서와 같은 센서 어레이에 적용할 수 있다.
Patent KR-20010006008-A (KR)
IPC: G01R15/24
Filed: 1998-02-05
Abstract: 피측정전류를 전압신호로 변환하고, 이 전압신호에 의하여 광변조기를 투과하는 광을 위상변조하고, 그 위상변조한 광과 위상변조되지 않는 광을 간섭시켜 간섭광을 얻고, 그 간섭광의 강도에 의하여 피측정전류를 측정하는 전류측정방법을 제안함과 동시에, 이 전류측정방법을 사용하여, 피시험 IC의 전원단자에 흐르는 전류를 측정하고, 이 전류치가 규정치 보다 큰 경우는 그 피시험 IC를 불량으로 판정하는 IC 시험장치를 제안한다.
Patent KR-20010006035-A (KR)
IPC: H04L29/08
Filed: 1998-04-03
Abstract: 본 발명은, 개방형 시스템 상호 접속 환경에서, 협동하는 개방형 시스템들간에 통신을 수행하기 위한 방법, 통신 망 및 서비스 액세스 인터페이스에 관한 것이다. 상기 상향 서비스 액세스 포인트(USAP)는 계층 특정 파라메터들(예: 서비스 파라메터들의 품질)을 상위 계층에 전송하기에 적합하다. 이에 따라, 상기 실행 어플리케이션은 자신의 실행을 어떤 하나의 하위 계층내 전송 특성들에 적응할 수 있도록 변화할 수 있다.
Patent KR-20010006101-A (KR)
Title: 송신된 데이터 신호를 스펙트럼적으로 성형하기 위한 시스템 및 방법
IPC: H04L27/18
Filed: 1998-04-03
Abstract: 시스템은 프레임 당 소정 수의 부호화된 심볼로 인코드된 디지털 정보 비트를 송신기(40)로부터 망(46)을 통해 수신기로 송신하는데, 송신된 신호 심볼은 원하는 스펙트럼 형태를 가지고, 디지털 정보 비트는 프레임 당 제1의 미리 정해진 수의 크기 정보 비트 및 제2의 미리 정해진 수의 부호 정보 비트로 분할된다.  이 송신기는 크기 정보 비트를 소정 수의 심볼에 대응시키는 크기 대응 장치(50), 및 부호 정보 비트를 프레임 당 소정 수의 인코드된 심볼 부호 비트로 인코드하는 부호 비트 인코더(52), 및 프레임 당 소정 수의 송신된 부호화된 심볼을 형성하기 위해 크기 대응 장치 및 부호 비트 인코더에 응답하여 심볼 크기 및 인코드된 심볼 부호 비트를 조합하는 신호점 선택기(54)를 포함한한다.
Patent KR-20010014371-A (KR)
IPC: B60C11/24
Filed: 1998-06-26
Abstract: 본 발명은 타이어(P)에 관한 것으로, 상기 타이어는 각 플라이내에서 서로 평행하면서 원주방향과 5°내지 45°범위의 각도를 형성하면서 하나의 플라이로부터 다음 플라이로 교차되어 있는 바람직하게는 금속성인 비신장성 보강 소자로 제조된 둘 이상의 크라운 플라이(31, 32)로 구성된 크라운 보강재(3)와, 반경방향 카커스 보강재(1) 및 반경방향 외측 트래드(8)를 포함한다. 본 발명은 상기 트래드가 상이한 색상의 고무 콤파운드로 구성되어 있고, 축방향으로 셋 이상의 경선 방향 부분으로 형성되어 있으며, 상기 셋 이상의 경선 방향 부분은 제 1 색상의 고무 콤파운드로 제조된 두 개의 축방향 부분(81)과, 축방향으로 상기 두 부분 사이에 있는 하나 이상의 검은색이 아닌 제 2 색상의 고무 콤파운드 부분(80)이며, 상기 제 2 색상으로 착색된 부분의 외측에서 볼수 있는 각 축방향 단부(A)는 타이어의 적도 평면에 대해 동일한 평면상에 위치되어 있는 축방향으로 가장 폭이 좁은 플라이(32)의 단부로부터 30mm 이상의 거리만큼 이격되어 있는 것을 특징으로 한다.
Patent KR-20010014409-A (KR)
Title: 신규한 옥심 설포네이트 및 잠재성 설폰산으로서의 이의용도
IPC: C07C309/73
Filed: 1998-06-19
Abstract: 화학식 I 또는 화학식 II의 신규한 옥심설포네이트 화합물은 잠재성 설폰산으로서 유용하고, 특히 내식막에 사용하기에 특히 유용하다. 
     화학식 I 
     
       
     
     화학식 II 
     
       
     
     위의 화학식 I 및 화학식 II에서, 
     m은 0 또는 1이고, 
     x는 1 또는 2이며, 
     R 1 은, 예를 들면, 치환되지 않거나 치환된 페닐 또는 치환되지 않거나 치환된 헤테로아릴 라디칼이거나, m이 0인 경우, 추가로 C 2 -C 6 알콕시카보닐, 페녹시카보닐 또는 CN이고, 
     R' 1 은, 예를 들면, C 1 -C 12 알킬렌 또는 페닐렌이며, 
     R 2 는, 예를 들면, R 1 에 대한 정의 중의 하나이고, 
     n은 1 또는 2이며, 
     R 3 은, 예를 들면, C 1 -C 18 알킬이며, 
     R 3 '는 x가 1인 경우, R 3 에 대한 정의 중의 하나이고, x가 2인 경우 및 화학식 IV에서는, 예를 들면, C 2 -C 12 알킬렌 또는 페닐렌이고, 
     R 4 및 R 5 는 서로 독립적으로, 예를 들면, 수소, 할로겐 또는 C 1 -C 6 알킬이며, 
     R 6 은, 예를 들면, 수소 또는 페닐이고, 
     R 7 및 R 8 은 서로 독립적으로, 예를 들면, 수소 또는 C 1 -C 12 알킬이며, 
     R 9 는, 예를 들면, C 1 -C 12 알킬이고, 
     A는 S, O 또는 화학식 , 화학식 , 화학식 또는 화학식 의 그룹이며, 
     R 10 및 R 11 은 서로 독립적으로 R 4 에 대한 정의 중의 하나이고, 
     R 12 , R 13 , R 14 및 R 15 는 서로 독립적으로, 예를 들면, 수소 또는 C 1 -C 4 알킬이며, 
     Z는 CR 11 또는 N이고, 
     Z 1 은 -CH 2 -, S, O 또는 NR 6 이다.
Patent KR-20010020605-A (KR)
Title: 범프가 형성된 반도체 구성요소를 시험하기 위한 캐리어및 시스템
IPC: G01R1/04
Filed: 1998-07-06
Abstract: 접촉범프(12C)를 갖춘 다이스(41) 패키지(17A)와 같은 범프된 반도체 구성요소를 테스팅하기 위한 반도체 캐리어가 제공된다.   캐리어는 베이스(61)와, 인터커넥트(46) 및, 힘 인가 메카니즘을 포함한다.   인터커넥트는 도전층으로 덮여진 홈으로서 형성된 접촉부재(64)의 패턴을 포함한다.   더욱이, 전기적 연결을 제공하기 위해 접촉부재는 접촉부재내에 접촉범프를 자체적으로 중심에 위치시키도록 함으로써 정렬 기능을 수행한다.   또한, 캐리어는 인터커넥트와 구성요소를 정렬시키도록 구성된 정렬 부재(43)를 포함한다.
Patent KR-20000057739-A (KR)
Inventor: RITOMHUNG
IPC: H04B3/23
Filed: 2000-01-11
Abstract: PURPOSE: A subband echo canceler and a method therefor are provided to decrease a complexity of an echo eraser by adapting subbands having a low echo residual energy during a short efficient sampling instant. CONSTITUTION: An analyzing filter(220) splits a full-band far-end signal on a bus(101) into the M number of adjacent subband far-end signals of output terminals(221-223). An analyzing filter(242) splits a full-band near-end signal on a bus(103) into the M number of adjacent subband near-end signals of output terminals(210-212). A synthesizing filter(230) combines the M number of subband echo-removed signals of output terminals(260-262) as a full-band echo-removed signal on a bus(105). The M number of adaptive filters(201-203) remove an echo signal from the M number of adjacent subband near-end signals of output terminals(210-212). An adaptive speed controller(240) outputs the M number of adaptive speed control signals of output terminals(241-243) to the M number of adaptive filters(201-203).
Patent KR-20010075761-A (KR)
Inventor: HA SEOK CHEON
IPC: H01J11/36
Filed: 2000-01-17
Abstract: PURPOSE: A plasma display panel is provided to make gas smoothly flow by changing the direction in which a subsidiary barrier rip is formed. CONSTITUTION: A plasma display panel discharges cells using an ultraviolet radiated by an excitation of a phosphor layer. In the plasma display panel, a main barrier rip(32) including a stripe type or a well type is formed on the second substrate. A seal substance(33) is formed along the edge of the second substrate. At least exhaust ports(34) are formed on one corner among corners of the second substrate to place in the inner side of the seal substance. A plurality of subsidiary barrier rips(35) are formed from the outer side of the main barrier rip into the seal substance.
Patent KR-20010077017-A (KR)
Title: Structurally Enhanced Metal Sheet Structural Member and Frame Systems using such Member
Inventor: JUNG HYEON SEOK
IPC: E04C3/04
Filed: 2000-01-29
Abstract: PURPOSE: A light shape steel and an aggregate system are provided to improve the economic property and the construction property by excellently controlling a load. CONSTITUTION: A shape steel is formed by a zinced steel sheet having a thickness under 2.0mm through a roll forming. A web(7) is formed in the middle of the steel sheet. Flanges are formed in the ends of the steel sheet. The flanges have traoezoid sections. Each flange contains outer faces(11,12), inner faces, end faces(13,14) and bonding faces(17,18). The web(7) contains web faces to be shared with the flanges. The inner faces of the flanges are bonded in the web(7) by the bonding portions(17,18).
Patent KR-20010081154-A (KR)
Title: Method for fabricating semiconductor device
Inventor: LEE NAM JAE
IPC: H01L27/108
Filed: 2000-02-10
Abstract: PURPOSE: A method of fabricating a semiconductor device is to omit a SOG(Silicon On Glass) film coating process, an SOG film etching-back process and an SOG film wet-etching process from a conventional fabricating method using a barc film, thereby increasing yield. CONSTITUTION: Plugs(22A,22B) and an oxide film(21) enclosing the plug are formed on a semiconductor substrate having a cell portion and a peripheral portion. An insulating layer is formed thereon to cover the plug and the oxide film. The insulating layer is processed by a photolithographic process to form a trench for exposing the plug. A conductive layer is formed along the insulating layer and the trench. A barc film(26) is coated on the conductive layer to cover the trench. A photoresist layer is formed to cover the conductive layer formed at the peripheral portion. The conductive layer is etched-back using the photoresist layer as a mask to form a capacitor lower electrode(25A,25B) connected to the plug. Then, the photoresist layer is removed. A capacitor dielectric layer and a capacitor upper electrode are formed on the capacitor lower electrode.
Patent KR-20010083378-A (KR)
Title: A Call Processing Test Appartus and Method using A Digital Subscriber Interface Board
Inventor: LEE GYEONG IL
IPC: H04M1/24
Filed: 2000-02-12
Abstract: PURPOSE: An apparatus and method for testing a call process using a digital subscriber interface board are provided to allow the call process to be tested without using an LCS(Local Call Simulator) by adding an auto call generating function on the digital subscriber interface board. CONSTITUTION: A system controlling board(31) includes the second receiving queue(32), a call processing part(34) and the second bus-transmitting queue(33). The system controlling board(31) analyzes digit information of a system bus message, processes a call, generates a ring message and transmits the ring message. A digital subscriber interface board(21) includes several transmitting queues(22-1¯22-16), a system transmitting part(24), the first transmitting queue(26), the first receiving queue(27), a system receiving part(25), several receiving queues(23-1¯23-16), and a processor(28). The digital subscriber interface board(21) generates automatically a call, and converts and transmits a digit message for an extension number of a receiving side port to the system controlling board(31) as a system bus message. When the ring message is transmitted from the system controlling board(31), the digital subscriber interface board(21) transmits the ring message to the receiving side port.