baber/WOPTO huggingface dataset:
Patent KR-20010013442-A (KR)
Title: 디지털 발전소 보호 시스템
IPC: G21D3/04
Filed: 1998-05-27
Abstract: 가압수로형 원자로의 원자력 발전소에 사용하는 디지털 발전소 보호 시스템은, 감지된 파라미터가 초과하는지 여부를 결정하기 위하여 미리 결정된 값에 대하여 조건적인 디지털 값을 시험하는 디지털 비교기(30)에 적절하게 조건이 설정된 디지털 값을 제공하는 교차 연결된 감지된 파라미터 처리 채널(채널 A, 채널 B, 채널 C, 채널 D)을 포함한다. 이 비교기는 다수의 채널 각각에 연관되고 각 채널에 대하여 감지된 파라미터의 개별적인 측정치를 수신한다. 감지된 파라미터가 4나 그 이상의 채널 중 2 만큼 상세 사항 중에 있는 것으로 결정되면, "트립" 신호는 보수 동작을 일으키도록 발생된다.
Patent KR-20010014058-A (KR)
Inventor: MERCURI ROBERT ANGELO
IPC: C04B35/52
Filed: 1998-06-12
Abstract: Flexible graphite sheet is made by compressing a mixture of relatively large particles of intercalated, exfoliated, expanded natural graphite with smaller particles of intercalated, exfoliated expanded, expanded particles of natural graphite. The resulting sheet of flexible graphite exhibits increased electrical conductivity through the thickness ("c" direction) of the sheet and improved sealability perpendicular to the "c" direction.
Patent KR-20010020516-A (KR)
Title: 프로필렌 삼원공중합체 및 이들의 제조 방법
IPC: C08F10/06
Filed: 1998-06-24
Abstract: 본 발명은 a) 50-85 중량%의 프로필렌, 1-10 중량%의 에틸렌, 15-40 중량%의 다른 C 4 -C 8 알파-올레핀, 온도 조건에서 올레핀 중합반응을 유도하는 촉매계 및 선택적으로 수소를 포함하는 혼합물을 슬러리 반응기에 공급하는 단계, 
     b) 70℃ 미만의 온도에서 반응 혼합물을 충분한 시간 동안 중합반응시켜, 최종 생성물의 50-99 중량%의 프로필렌 삼원공중합체를 수득하는 단계, 
     c) 반응 혼합물을 5바아, 바람직하게는 10바아 보다 높은 압력하에 가스상 반응기로 이송시키고, 선택적으로 0-30 중량%의 에틸렌, 0-10 중량%의 다른 C 4 -C 8 알파-올레핀, 0-40 중량%의 프로필렌 및 선택적으로 수소를 첨가하는 단계, 및 
     d) 상기 가스상 반응기에 중합반응을 계속하여 최종 생성물의 1-50 중량%의 프로필렌 삼원공중합체를 수득하는 것을 포함하여, 프로필렌의 삼원공중합체를 제조하는 방법에 관한 것이다.  삼원공중합체는 135℃, 바람직하게는 132℃ 미만의 융점을 가지며, 우수한 밀봉 특성을 갖는 필름을 제조하는데 사용될 수 있다.
Patent KR-20000053414-A (KR)
Inventor: NAGAI TAMIJI
IPC: H02J7/04
Filed: 2000-01-07
Abstract: PURPOSE: A battery charger is provided to reduce a size and weight of the battery by simplifying of control signals from the communication terminal. CONSTITUTION: A battery cartridge has a communication terminal from which control signals are sent to a charging adapter to deliver various pieces of information necessary for electrically charging the battery cartridge, such as charging stop information, capacity information, full charge information, battery defect information, and so on. Different kinds of charging modes are distinguished by detecting a property curve of a charge voltage or a charge current input to the battery cartridge. Without reducing the whole number of pieces of information, the number of control signal from the communication terminal are reduced. A judge circuit refers to a received control signal and one of the charging mode identified in a voltage detector circuit from the property curve of the charge voltage or current, identifies a particular kind of information corresponding to the control signal from the communication terminal, and controls the charging operation in accordance with the identified information.
Patent KR-20010068679-A (KR)
Title: Radio frequency electronic identification tag for security and method for determining the accessibility to an external device by transmitting and receiving radio frequency signal data with an electronic identification tag
Inventor: JUNG MIN
IPC: G06K9/00
Filed: 2000-01-07
Abstract: PURPOSE: A method for deciding an access of an external device by transmitting/receiving data using the electronic identification tag and a high frequency signal is provided to decide whether an access is possible to the external device by preventing a forgery and an alteration using an inherent number of an electronic recognition table and storing various information as a security grade for controlling an access to a security institution and managing persons coming in/out to the security institution and a user's medical record. CONSTITUTION: An induction electromotive force generating unit responds to a variation of a magnetic field being generated at external of an electronic recognition table and generates an induction electromotive force. A control unit is driven by an output of the induction electromotive force generating unit and outputs at least one out of device identification(ID) information, user's personal information, user's medical information, a user's operation grade, and an access password. A transmitting unit converts an output of the control unit into a wireless signal and transmits the signal. A storing unit stores at least one out of device identification(ID) information, user's personal information, user's medical information, the user's operation grade, and the access password.
Patent KR-20000076505-A (KR)
Title: 삼차원 기하학적 데이터베이스에서 가장 근접한 피처위치를 제공하는 휴대형 장치
IPC: G01S5/14
Filed: 2000-01-21
Abstract: 본 발명의 휴대형 장치는 3차원 기하학적 데이터베이스 및 GPS 수신기를 액세스하며, 3차원 기하학적 데이터베이스에서 장치 위치에 대한 하나 이상의 가장 근접한 피처의 정보를 제공한다.  본 시스템은 데이터 입력장치와, 선택사양적으로 디지털 카메라 및 위치결정 프로세스를 실행하는 데이터 프로세서를 가진다.  다중 분석 프로세스는 3차원 기하학적 데이터베이스의 하나 이상의 모델을 생성한다.  이들 모델은 분해능 계층을 가진다.  이들 모델은 다각형, 에지 및 정점을 가진다.  다중 분석 프로세스는 바람직하게는 정점, 에지 및 다각형에 대해 데이터를 연관시킨다.  데이터 프로세서는 휴대형 장치의 위치와 대응하는 상기 데이터베이스의 분해능 계층상의 하나 이상의 가장 근접한 피처 간의 거리를 결정하는 위치결정 프로세스를 실행한다.  데이터 프로세서는 이러한 하나 이상의 가장 근접한 피처에 관련된 데이터 및 기하구조를 디스플레이하기 위한 디스플레이 커맨드를 생성한다.  데이터 입력장치는 이들 하나 이상의 가장 근접한 피처에 관련된 데이터가 부가되거나 그를 대신하는 데이터를 수집하는데 사용된다.
Patent KR-20000057887-A (KR)
Inventor: KURODA GATSHITO
IPC: H01P11/00
Filed: 2000-02-02
Abstract: PURPOSE: A dielectric resonance device, a dielectric filter, and a dielectric duplexer are provided to obtain a dielectric resonance device having a maximum outer engaging capacity. CONSTITUTION: A dielectric resonance device comprises a dielectric block and an outer conductor. The dielectric block has a cubic shape, and has at least one inner conductor therein. The outer conductor is formed such that it is substantially perpendicular to the shaft of the inner conductor. The outer conductor is formed on the outer surface of the dielectric block. At least one inputting and outputting electrode is formed such that it makes contact with the opened surface. According to the dielectric resonance device, a dielectric resonance device having a maximum outer engaging capacity is obtained.
Patent KR-20000036781-A (KR)
Inventor: LEE JUNG HOON
IPC: G09F7/00
Filed: 2000-03-29
Abstract: PURPOSE: If we make light in a sign permeate regularly, as the color distinction of the whole sign, and the characters or figures of the sign improves, the efficiency with the use of the sign becomes high. By carving the characters and figures on the sign in relief, we can discriminate the sign easily, the manufacturing process becomes simple, and the cost to make the sign is reduced. CONSTITUTION: A flange is stuck on the fringe of the board for a sign. After sticking the flange, on the surface of the board characters or figures are carved in relief so that they protrude from the board. A sheet having the color which a user wants is cut in the same size with the characters or figures formed on th relief part. The cut sheet is adhered to eh characters or figures of the relief part by a bonding agent, so fixed to them.
Patent KR-20010094887-A (KR)
Title: Beam index type cathode ray tube
Inventor: CHOI JONG SIK
IPC: H01J29/34
Filed: 2000-04-07
Abstract: PURPOSE: A cathode ray tube is provided, in which reinforcing member with high magnetic permeability is arranged inside of electrode of electron gun, to thereby effectively correct rotation of electron beam landing at the edge of the screen. CONSTITUTION: A cathode ray tube comprises a tube having a vacuum interior; a screen unit having a fluorescent stripe, black matrix, aluminum film and index stripe, and which is arranged inside of the tube; an electron gun arranged in the tube to opposed to the screen portion; a deflection unit arranged at the tube, and which deflects the electron beam scanned from the electron gun to the screen portion; a focusing unit arranged at the tube, and which senses the light emitted from the index stripe; a correction unit arranged at the tube where the electron gun is arranged, and which corrects rotation of electron beam; and a reinforcing unit(42) arranged at the position corresponding to the correction unit, and which reinforces rotation correction for electron beam. The correction unit is constituted by four solenoids(30,32,34,36), wherein solenoids(30,34) arranged in a vertical direction(V) form N-pole and solenoids(32,36) arranged in a horizontal direction(H) form S-pole.
Patent KR-20000049567-A (KR)
Inventor: KIM IN HOE
IPC: C04B33/04
Filed: 2000-04-11
Abstract: PURPOSE: A ceracon brick obtained by preparing an inorganic monomer and adding loess thereto is provided which is helpful for preventing geriatric diseases by infrared rays, excellent in deodorizing property and antibacterial, and has excellent thermal conduction and durability. CONSTITUTION: A process for preparing a ceracon brick comprises (1) preparing methyliliconharz by introducing carbon dioxide into a silica potassium-based compound in an aqueous solution, (2) preparing polymethylsilazane as an inorganic polymer by removing water and polycondensation reacting, (3) mixing 50 to 60 parts by weight of loess, 5 to 15 parts by weight of the obtained polymethylsilazane, and 15 to 20 parts by weight of cement, 5 parts by weight of methyl cellulose, (4) molding, and (5) curing. The product has an effect on maintaining strength and durability even if small amount of moisture is present therein.
Patent KR-20010006990-A (KR)
Inventor: GAULAND MICHAEL A
IPC: G01R15/00
Filed: 2000-04-18
Abstract: PURPOSE: An operation of a digital oscilloscope is controlled in response to an input signal characteristic. CONSTITUTION: A pair of signal forms having respectively discriminatable peculiar signal characteristics is determined, at least one prescribed setting for an oscilloscope suitable to prepare a view suitable to the respective signal forms is determined. Plural measurements are carried out relating to an input signal to find one or more of measurement features, and the features are compared with the peculiar signal characteristics to classify the input signal into one of the signal forms, so as to control the digital oscilloscope in response to the signal form, by the prescribed setting.
Patent KR-20010097534-A (KR)
Inventor: PARK UN YONG
IPC: H01L29/786
Filed: 2000-04-24
Abstract: 본 발명에 따른 박막 트랜지스터 기판의 제조 방법에서는 기판 위에 게이트선 및 게이트 패드를 포함하는 게이트 배선과 공통 신호선 및 공통 전극을 포함하는 공통 전극 배선을 형성한다.  다음, 그 위에 게이트 절연막, 반도체층, 접촉층을 연속 증착하고 금속 따위의 도전체층을 증착한 다음, 도전체층 상부에 감광막을 형성한다.  이때, 투과율이 다른 막이 형성되어 있는 마스크를 사용하거나 해상도보다 작은 슬릿 또는 모자이크 패턴이 형성되어 있는 마스크를 이용하여 감광막의 두께를 다르게 한다.  이어, 도전체층과 접촉층, 반도체층을 식각하여 데이터선, 데이터 패드, 소스 전극 및 드레인 전극으로 이루어진 데이터 배선과 화소 신호선 및 화소 전극을 포함하는 화소 전극 배선, 접촉층 패턴 그리고 반도체층 패턴을 형성하다.  다음, 보호막을 형성하고 어셈블리 공정 후 박막 트랜지스터 기판의 드러난 부분에 해당하는 보호막을 게이트 절연막과 함께 건식 식각으로 제거하여 게이트 패드와 데이터 패드를 드러낸다.  본 발명에서는 데이터 배선과 화소 전극 배선, 접촉층 패턴 및 반도체층 패턴을 한 번의 사진 식각 공정으로 형성하고 어셈블리 공정 후 보호막과 게이트 절연막을 식각하여 게이트 패드 및 데이터 패드를 드러내므로 공정수를 감소시킬 수 있다.
Patent KR-20010097745-A (KR)
Inventor: LEE JAE CHEOL
IPC: C01G3/12
Filed: 2000-04-26
Abstract: 본 발명은 산소를 주입하는 반응조를 다단계로 설치하여 황산동을 제조하는 장치에 관한 것으로 구체적인 것은 가열부(1a)를 가진 반응조(1)의 내부에 일측으로 산소공급관(2)을 장치하여 바닥에서 위로 산소가 분출될수 있게 되게 분사구 (2b)가 있는 분사부(2a)를 형성하고 또 다른 쪽으로 황산수공급관(3)을 장치하여 그 개방부(3a)를 바닥 가까이 유도시키고 바닥과 주벽에서 배출관(4)(4a)을 도출하여 이를 하측 반응조의 황산수공급관(3)에 연결하며 반응조 중앙상부에 구리공급관 (5)과 산소배출관(6)을 형성하여 상단 반응조의 황산수공급관에는 황산공급통(7)과 공급펌프(8)를 연결하고 산소배출관(6)은 진공펌프(9)를 통해 기액분리조(10)를 거쳐 산소공급통(11)에 연결하고 산소공급통(11)의 배출관은 하측 반응조의 산소 공급관(2)에 연결하며 하측 반응조의 배출관(4)(4a)을 제품 저장통(12)에 연결하여서 일체화시킨 황산동 제조장치이고 이러한 제조장치를 통해 능률적이고 환경친화적인 황산동제조가 달성되는 것이다.
Patent KR-20010097784-A (KR)
Inventor: BYUN SEUNG YEONG
IPC: G03G15/10
Filed: 2000-04-26
Abstract: 개시된 습식 전자사진방식 프린터의 현상유닛은, 스퀴지롤러와 소정 갭을 유지하도록 설치되는 클리닝롤러와, 스퀴지롤러에 전압을 인가하는 제1전압인가부와, 클리닝롤러에 스퀴지롤러 보다 낮은 전압을 인가하는 제2전압인가부를 구비하여서, 스퀴지롤러에 묻은 토너입자가 전압차에 의해 갭에 형성되는 현상액막을 통해 클리닝롤러로 옮겨가도록 구성된다.  이와 같은 구성에 의하면, 스퀴지롤러에 묻은 토너 입자가 전기적 힘으로 제거되기 때문에, 감광벨트에 현상된 화상이 스퀴지롤러에 의해 오염되는 현상을 방지할 수 있다.
Patent KR-20010049537-A (KR)
Inventor: JAMES WILLIAM BROWN
IPC: B24B9/00
Filed: 2000-06-13
Abstract: PURPOSE: A finishing method for edge portion of glass sheet is provided to suppress a small piece along an edge portion, shallow cracking, and inner layer surface crush in a finishing method for the edge portion of a glass sheet. CONSTITUTION: In a glass sheet having a thickness not greater than 3 mm, the top and bottom of the edge of the glass sheet is chamfered to form chamfered planes while reducing the overall width of the edge by not more than 35 microns. The angle between each of the chamfered planes and the adjacent major surface of the sheet is less than 40 degrees. Each edge is rounded which is formed by the intersection of each chamfered planes and the original edge of the glass sheet.
Patent KR-20020003593-A (KR)
Title: Internet Trading System for Textile Goods and Method thereof
Inventor: JANG SE YEOL
Filed: 2000-06-21
Abstract: PURPOSE: A system and method for transacting an Internet business on textile products is provided to reduce time and expenses for purchasing a product by enabling a purchaser to simultaneously search products of several companies and access to a product desired by the purchaser on the Internet. CONSTITUTION: A plurality of seller(1a-1n) can connect to the Internet(10) using each web browser. A plurality of purchaser(3a-3n) can connect to the Internet(10) using each web browser. A system server(5) provides a homepage including a menu for membership, product registration, product display, business and so on in order to support businesses for textile product between the seller(1a-1n) and the purchaser(3a-3n) in case that the purchaser(3a-3n) and the seller(1a-1n) connect to the homepages through the Internet(10). A plurality of local unit company(8a-8n) input member information on the purchaser(3a-3n) and the seller(1a-1n) and product information.
Patent KR-20000054762-A (KR)
Inventor: CHO YONG HO
IPC: C04B35/46
Filed: 2000-06-22
Abstract: PURPOSE: A dielectric material having a high dielectric constant and a high mechanical quality coefficient and capable of controlling the temperature coefficient of resonance frequency is provided which can manufacture a microwave dielectric ceramic composition capable of controlling the temperature coefficient of resonance frequency in the range of -10 ppm/°C to 10 ppm/°C. CONSTITUTION: A dielectric material satisfies the formula: (1-x-y)CaTiO3-x(Al2O3)-y(Ca2Nb2O7)(0.2≤x≤0.4 and 0.5≤y≤0.7) and has a dielectric constant of more than 40, a quality coefficient of 50,000 and a temperature coefficient of resonance frequency of -10 ppm/°C to 10 ppm/°C.
Patent KR-20020000977-A (KR)
Title: Cargo sending device for safety in emergency of storing tank liquefied gas on the sea
Inventor: YEO SE DONG
IPC: F17D1/02
Filed: 2000-06-23
Abstract: PURPOSE: A cargo transfer for safety of a floating liquid gas storing tank is provided to reduce a cargo charge height of a main cargo tank by transferring a fluid into a safe cargo tank and to prevent sea environmental pollution and an accident. CONSTITUTION: A cargo transfer of a floating liquid gas storing tank comprises plural partitions(11,12,13) dividing first, second and third main cargo tanks(20,30,40) in a floating tank(10); a safe cargo tank(14) divided into plural safe cargo tanks(50,60,70); a gas filling pipe(80) supplying gas; a gas off loading pipe(90) withdrawing the gas; a gas meter pipe(100) detecting level of the gas; a gas controller(150) having a gas filling pipe(110) and a gas meter pipe(120); a gas pipe line(140) connected to the gas controller; and a liquid gas transferring line(160) connected to plural safe cargo tanks. Thereby, the cargo transfer of the floating liquid gas-storing tank reduces cargo charge height of the main cargo tank by transferring the liquid into the safe cargo tank. Moreover, the cargo transfer of the floating liquid gas-storing tank prevents sea environmental pollution and an accident.
Patent KR-20020003960-A (KR)
Title: Multi-function digital device using mobile phone
Inventor: JANG SEUNG GWAN
IPC: H04B1/40
Filed: 2000-06-28
Abstract: PURPOSE: A multi-function digital device using a cellular phone is provided so that a production cost can be reduced and a plurality of systems can be easily controlled by removing a remote control device. CONSTITUTION: A plug(251) is inserted into an I/O device(145), for transmitting an output signal from an earphone jack(145) to a signal converter(211). When a user presses a key(143) of a cellular phone(141), the cellular phone(141) generates a key signal and transmits it to the I/O device(145). Here, the output signal from the I/O device(145) is an analog signal. The signal converter(211) is connected to the plug(251), for converting the analog signal transmitted through the plug(251) into a digital signal. A dual tone multi-frequency receiver can be used as the signal converter(211). A controller(221) generates a control signal for controlling the operation of the first to third systems(251,252,253) according to the digital signal from the signal converter(211). A modulator/demodulator(231) is electrically connected to the controller(121), for modulating the output signal from the controller(221) and transmitting the modulated signal to the first to third systems(251,252,253). In addition, the modulator/demodulator(231) demodulates the signal from the first to third systems(251,252,253), and transmits the resultant signal to the controller(221).
Patent KR-20010015154-A (KR)
Inventor: COSTIN DANIEL P
IPC: F16D41/08
Filed: 2000-07-04
Abstract: PURPOSE: Provided is a device to drive a low speed transmission in low speed gear and retreating gear which is lower in cost than a conventional device, smaller in additional loss, remarkably small in space occupying in the transmission and free to easily retrofit to the existing transmission. CONSTITUTION: A reversible one-way clutch(90) is arranged in parallel with friction packs(62,72) so as to drive a planetary transmission(10) in low speed gear and in retreating gear. The clutch(90) has a biased plate(96) fastened on a surface so as to bias the clutch(90) toward a direction where the transmission(10) works either of the low speed gear and the retreating gear. The biased plate(96) is actuated by hydraulic pressure and biases the clutch(90) among low speed gear, neutral gear and retreating gear.
Patent KR-20010015172-A (KR)
Inventor: AOCHI HIROKAZU
IPC: B65H31/26
Filed: 2000-07-05
Abstract: PURPOSE: To provide a paper sheets processor and a paper money receiving/ dispensing machine, with which the feed trouble of paper sheets can be canceled accurately by stably integrating received paper sheets in a guide member for reception guide, by providing this guide member for naturally aligning and storing received paper sheets and a reception structure can be simplified by providing a linking mechanism. CONSTITUTION: This paper sheets processor provided with a feeding means for feeding paper sheets from a receiving port into the device one by one and processing them, on the basis of the rotational driving force of a pickup roller facing the receiving port for receiving paper sheets, is provided with the guide member for paper sheet reception guide protruded farther than the protruding quantity of a pickup roller 26 which faces the receiving port and installed together with the pickup roller 26 and by providing a movable means for protruding this guide member at the time of receiving paper sheets and for causing it to move backward, at feeding out of paper sheets, switching of this receiving port into reception guide state and feeding state can be allowed.
Patent KR-20010049719-A (KR)
Inventor: SPURR PAUL
IPC: C07D501/38
Filed: 2000-07-05
Abstract: PURPOSE: Provided is a novel process for the manufacture of cephalosporin derivatives to offer easier access to pharmacologically useful cephalosporins. CONSTITUTION: Cephalosporin derivatives are represented by the formula(I), wherein R1 is an amino protecting group, R2 is a carboxy protecting group and R is hydrogen, lower alkyl, lower alkoxy, cycloalkyl, cycloalkenyl, cycloalkyl-lower alkyl, lower alkenyl, lower alkynyl, aryl, aryl-lower alkyl, heterocyclyl or heterocyclyl-lower alkyl; the lower alkyl, cycloalkyl, lower alkenyl, cycloalkenyl, lower alkynyl, aryl-lower alkyl, aryl and the heterocyclyl moieties being unsubstituted or substituted with at least one group selected from carboxy, amino, aminoethyl, carbamoyl, nitro, cyano, lower alkyl, lower alkoxy, hydroxy, halogen and trifluoromethyl. The manufacturing method comprises the steps of: converting a phosphonium salt of the formula(II) into the corresponding ylide of the formula(III); reacting it with aldehyde of the formula(IV).
Patent KR-20000063397-A (KR)
Inventor: JUNG BAE GEUN
IPC: A01K61/00
Filed: 2000-07-05
Abstract: PURPOSE: A fishing net equipment stand is provided which uses a prefabricated part formed in the net equipment stand at a certain interval to fix a fishing net so that work in fixing becomes easier. CONSTITUTION: The fishing net equipment stand for raising fishes and shellfishes comprises the parts of: a pair of unit members which cut and bend materials with a certain width and unit length; a connection member(40) with a certain unit length; a binding member which decomposes and fabricates the unit member and the connection member each other; a prefabricated part which is formed in the unit member and the connection member at a certain interval; and a square section which is identical as the prefabricated part between a nut part and a bolt head in the binding member.
Patent KR-20010029896-A (KR)
Title: Monolithic Ceramic Electronic Component
Inventor: HAMACHI YUKIO
IPC: H01G4/30
Filed: 2000-07-06
Abstract: PURPOSE: To provide a small-sized laminated ceramic electronic component of high reliability with no structural defect, by laminating thin internal electrodes and ceramic layers. CONSTITUTION: In a laminated ceramic electronic component including a plurality of ceramic layers 2 and internal electrodes 8, 9, the ceramic layer 2 is 3 μm or less thick, and the mean size of a ceramic grain is larger than 0.5 μm and the size of the ceramic grain in the direction of the thickness of the ceramic layer 2 is smaller than the thickness of the ceramic layer 2 and the internal electrodes 8, 9 are 0.2-0.7 μm. It is desirable that the metal powder of a paste forming the internal electrodes 8, 9 be a base metal Ni and that the mean size of the metal powder be 20-200 nm, and that the mean size of the raw material powder of the ceramic be 25-250 nm.
Patent KR-20020005820-A (KR)
Title: Test board for burn-in test and PC base test
Inventor: LEE KOOK SANG
IPC: G01R31/28
Filed: 2000-07-10
Abstract: PURPOSE: Test board for carrying out burn-in and printed circuit(PC) mounted tests is provided to simultaneously carry out a burn-in test and PC mounted test and to simplify back-end process of memory module. CONSTITUTION: A plurality of test sockets(14) can receive and separate a plurality of memory devices(20), respectively. A main board(12) has an upper surface and a lower surface. On the upper surface is arranged the test sockets in a checked form, and is formed a circuit pattern electronically connected with socket lead terminals of the test sockets. The main board is connected with the circuit pattern and has input/output terminals come into contact with a test terminal of a tester. The test board consists of a plurality of unit modules. Each of the unit module comprises test sockets corresponding to memory devices made of memory modules, main board portion corresponding to module substrate made of the memory modules, and first input/output terminals for transferring output signals of test signals to the tester, and input test signals to the memory device received into the test sockets with the test terminal of the tester contacted.