baber/WOPTO huggingface dataset:
Patent KR-19990080904-A (KR)
Title: 이동 통신 기지국 시스템의 소프트웨어 갱신 방법
IPC: G06F9/06
Filed: 1998-04-23
Abstract: 이동 통신 기지국 시스템의 소프트웨어 갱신 방법에 대하여 개시한다. 본 방법은, 이동 통신 시스템의 기지국을 제어하는 기지국 제어 프로세서와 다수의 기지국 제어 프로세서를 제어하는 호 제어 프로세서 및 다수의 호 제어 프로세서를 제어하는 기지국 관리 시스템에 있어서, 기지국 관리 시스템이 호 제어 프로세서로 소프트웨어 갱신을 명령하는 제 1 명령 과정, 호 제어 프로세서가 기지국 제어 프로세서로 소프트웨어 갱신을 명령하는 제 2 명령 과정, 호 제어 프로세서가 기지국 제어 프로세서의 응답을 기지국 관리 시스템으로 보고하는 제 1 보고 과정, 호 제어 프로세서가 정상으로 응답한 모든 기지국 제어 프로세서에게 재시동 및 소프트웨어 재로딩을 명령하는 재로딩 과정 및 기지국 제어 프로세서에 대한 재로딩 성공여부를 기지국 관리 시스템에게 보고하는 제 2 보고 과정을 포함하여 이루어진다.
Patent KR-19990086231-A (KR)
Title: 고온 고압용 고 크롬 페라이트계 내열합금 및 제조방법
IPC: C22C38/54
Filed: 1998-05-26
Abstract: 본 발명은 발전소, 석유화학 플랜트의 터빈 또는 압력용기 등에 사용되는 고크롬 페라이트계 내열합금에 관한 것이다. 본 발명의 합금은 상온 인장강도 및 인성이 우수하고 600℃와 650℃의 10만 시간 크리프 파단강도, 산화저항성, 부식저항성, 장시간 취화 저항성이 우수한 고 크롬 페라이트계 내열합금에 관한 것으로 석유화학 플랜트, 화력발전소, 원자력발전소, 가스터빈 발전소의 압력용기, 보일러, 열교환기, 터빈 부품에 단조, 압연, 압출, 주조된 판재, 파이프, 환봉, 각봉 형태로 사용되는 내열합금에 관한 것이다. 합금의 화학조성은 탄소 0.06∼0.25%, 크롬 8∼13%, 몰리브데늄 0.05∼1.0%, 텅스텐 1.0∼4.0%, 바나듐 0.1∼0.3%, 니오븀 0.01∼0.1%(또는 탄탈륨 0.01∼0.1%), 붕소 0.001∼0.025%, 질소 0.005∼0.07%, 철 70∼91%, 규소 0.2% 이하, 산소 0.01% 이하, 인 0.03% 이하, 유황 0.01% 이하, 탈산제 및 비금속개재물을 제어하기 위하여 칼슘, 알루미늄, 지르코늄, 티타늄, 란타늄, 세륨, 이트륨, 희토류 금속중 1종 이상의 원소를 사용한다. 합금은 1,020∼1,150℃에서 고온 풀림처리하고, 불림처리는 1,020∼1,150℃, 담금질은 1020∼1150℃, 뜨임은 650℃∼Ac1에서 수행한다.
Patent KR-19990006968-A (KR)
Title: 세정건조처리장치
IPC: H01L21/00
Filed: 1998-06-13
Abstract: 본 발명은 세정건조처리 장치에 관한 것으로, 예를 들어, 반도체 웨이퍼나 LCD용 유리기판 등의 피처리기판을 약액이나 린스액등의 세정액에 침적해서 세정한후, 건조하는 세정 건조처리 장치에 관한 것이다. 
     일반적인 건조처리 장치에서는 건조가스 공급 수단이 고정되어 있기 때문에, 건조가스가 웨이퍼 등의 전면에 균일하게 공급되기 어렵고, 건조처리가 불균일해지고, 건조 효율의 저하를 초래하는 문제점이 있다. 또한, 웨이퍼 등의 전면에 건조가스를 공급하려면 많은 건조가스가 공급할 필요가 있고, 그 때문에 건조가스의 소비량이 많게 됨과 동시에 건조처리에 많은 시간이 걸리는 문제가 있다. 
     본 발명은 복수의 피처리체를 간격을 두고 수평방향으로 배열하는 피처리체 보유수단과, 이 피처리체 보유수단과 함께 피처리체를 수용하고 건조처리를 행하는 건조처리실과, 피처리체에 대해서 건조가스를 공급하는 건조가스 공급수단과, 피처리체와 건조가스 공급 수단을 상대적으로 이동함으로써, 건조가스를 피처리체의 전면에 균일하게 공급해서 접촉시킬 수 있고, 건조가스의 증기를 응축 또는 흡착시켜서, 피처리체의 수분 제거 및 건조를 행할 수 있어, 피처리체의 세정처리, 건조처리를 최적의 상태로 행할 수 있도록 한 세정처리 장치가 제시되어 있다.
Patent KR-20000001834-A (KR)
Title: Steering device of wheel roader
Inventor: LIM MOO HUI
IPC: E02F3/43
Filed: 1998-06-15
Abstract: PURPOSE: A steering device is provided to steer freely a handle even to the opposite direction from the end position of the steering handle. CONSTITUTION: The power steering comprises: a bracket(36) installed in a part that contacts a rear frame(32) of a front frame(30) of a wheel loader; a distance detecting sensor(38) that is installed in the bracket, connected to solenoid valves(48a,48b); the solenoid valves installed in an oil pressure line(42) connecting a left side and a right side cylinders(44a)(44b) with a control unit(46); and the control unit connected with a steering handle, an oil pump(52) and an oil tank(54)
Patent KR-20000002459-A (KR)
Title: Control method for automobile parking
Inventor: LEE KIL BOK
IPC: E04H6/42
Filed: 1998-06-19
Abstract: PURPOSE: A control method for automobile parking is provided to stop and park only a car of one's own in division line drawn for being in force of certificate proof system of garage area, to easily control the stoppage and parking area without separate expenses. CONSTITUTION: A control method of stoppage, parking for car comprises the steps of: equipping a worm gear(4) at a worm(3) rotating, directly connected to a shaft(2) of a motor(1); installing a lead screw(5) to rotate with the worm gear(4) in the direction of a center shaft line of the worm gear(4); combining a female nut(7) fixed and equipped at inside of the lower end of a elevating rod(6) in the lead screw(5), and then only the elevating rod(6) is projected above the ground(9) if the device is laid under the ground(9) and operated the motor(1) with a remote control roller.
Patent KR-20000007394-A (KR)
Title: Rotary compressor
Inventor: SHIN KYUNG SOO
IPC: F04C18/00
Filed: 1998-07-03
Abstract: PURPOSE: A rotary compressor is provided to enhance the efficiency of a motor by decreasing the temperature of the compressed coolant by bypassing and by cooling the motor by the cooled coolant. CONSTITUTION: A rotary compressor comprises:a body(100) having an outlet connected to a condenser; a motor(110) installed on a crank shaft; a cylinder(120) having a cylinder chamber interlocked by a roller; a partition plate(300) to part the cylinder from the motor and to form a first and a second chambers; and a piece(400) to bypass the compressed high temperature and high pressure coolant toward the first chamber having the motor after cooling the coolant, and to cool the motor.
Patent KR-19990013556-A (KR)
Title: 반도체 장치 및 그 제조 방법
IPC: H01L21/768
Filed: 1998-07-03
Abstract: 소자를 포함하는 반도체 기판 상에 층간 절연막을 형성하는 공정은, 적어도 이하의 공정(a) 내지 (c)을 포함한다. 
     (a) 수소를 포함하는 실리콘 화합물과 과산화수소를 화학 기상 성장법에 의해서 반응시켜 제 1 실리콘 산화막을 형성하는 공정, 
     (b) 실리콘 화합물, 산소 및 산소를 포함하는 화합물의 적어도 한 종류 및 불순물을 포함하는 화합물을 화학 기상 성장법에 의해서 반응시켜 다공성의 제 2 실리콘 산화막을 형성하는 공정, 및 
     (C) 300∼850℃의 온도로 어닐링 처리를 하여, 제 1 및 제 2 실리콘 산화막을 치밀화하는 공정. 
     제 1 실리콘 산화막은, BPSG막에 비하여 낮은 온도로 성막되어, 그 자체로 뛰어난 자기 평탄화 특성을 갖는다.
Patent KR-20000007406-A (KR)
Title: Control drossing for chalkbrood disease of honey bee and a process for controlling chalkbrood disease of honey bee
Inventor: KANG SEOK KWON
IPC: A01N25/00
Filed: 1998-07-03
Abstract: PURPOSE: The present invention is about control drossing for chalkbrood disease of honey bee containing propionic acid and a process for controlling chalkbrood disease of honey bee. CONSTITUTION: A control drossing for chalkbrood disease of honey bee containing propionic acid aqueous solution of 1 to 100% which absorbed to absorbent like vermiculite, agrisorbent, white carbon, granular diatomaceous earth or granular zeolite.
Patent KR-20000008734-A (KR)
Title: Wafer cleaning apparatus having cleaning solution recurring and filtering functions
Inventor: BANG JU SIK
IPC: H01L21/304
Filed: 1998-07-15
Abstract: PURPOSE: A wafer cleaning apparatus is provided to improve a degree of cleaning a wafer of semiconductor device. CONSTITUTION: The wafer cleaning apparatus for the semiconductor device includes a first gathering portion for receiving and transmitting a cleaning solution from a cooling water tube to a buffer tank(80), a second gathering portion(95) for receiving and transmitting a over-cleaning solution due to boiling process to the buffer tank and, after pumping and filtering a cleaning solution, supply portion(92) for supplying the cleaning solution to the process tank. Thereby, it is possible to improve a degree of cleaning a wafer of semiconductor device by using cleaning solution recurring and filtering functions.
Patent KR-20000008740-A (KR)
Title: Display panel using waveguide, operating method thereof and device thereof
Inventor: CHOI JEONG PIL
IPC: H01J31/10
Filed: 1998-07-15
Abstract: PURPOSE: A display panel using wave guide, operating method thereof and device thereof is provided to simultaneously display the same image on a bidirectional screen by supplying two image signals to one panel through simple data conversion process. CONSTITUTION: The present invention discloses a display panel using wave guide comprising: a wave guide(16) for guiding a laser beam; an optic switch(24) formed within the wave guide, and selectively changing the refractivity of the laser bean in accordance to the voltage appliance; low electrode pair(18) connected to the optic switches of the wave guide; an upper plate fluorescent substance(30) and a lower plate fluorescent substance(32) positioned along the refractive direction of the laser bean in accordance to the optic switches; and an upper substrate(26) and a lower substrate(28) which the low electrode pair are formed on.
Patent KR-20000013883-A (KR)
Title: Adjective appliance for intensification sex action and package thereof
Inventor: CHUN JAE SEUNG
IPC: A61F5/41
Filed: 1998-08-14
Abstract: PURPOSE: Adjective appliance for intensification sex action used conveniently with disposable, and enhanced sex action by coating proper sex action accentuator to accurate location to accrete pelvic splanchnic power of man and fatigue sense of sex organ surface. CONSTITUTION: Adjective appliance for intensification sex action by accretion pelvic splanchnic power of man and endurancing pelvic splanchnic power by fatiguing sense of sex organ surface consisted of body part similar to shape of condom for man, sex action accentuator coated in the inside of said body part, multiple submaterial to provide hold-back power to locate home-position without bleeding said sex action accentuator to other position.
Patent KR-19990023976-A (KR)
Title: 고압 압축파괴 저항과 높은 실링 특성을 갖는 가스켓
IPC: C09K3/10
Filed: 1998-08-28
Abstract: 고압 압축파괴 저항과 높은 실링 특성을 갖는 가스켓 
     약 3,000 에서 15,000 PSI 의 범위의 작동 플랜지 압력에서 압축-파괴 저항성이 있고, 좋은 실링 능력을 갖는 가스켓은 두 대향 면 표면과 면 표면에 수직인 에지를 가진 구멍을 가진 부드러운 가스켓 물질을 포함하며, 구멍의 에지는 양호한 실링 능력을 위한 에지 상에 중합체 코팅(코팅 A)을 하고 있다. 이 실시예에서 코팅 A를 제외하고, 가스켓은 가스켓 압축-파괴 저항성을 갖도록 그 밖에는 코팅되지 않는다. 더욱 더 양호한 실링 능력을 필요로 하는 실시예에서 적어도 대향 면 표면의 하나는 중합체 B 코팅을 가지는 데 이는 에지와 중합체 코팅 A와 당접하고, 대향 면 표면 상에서의 중합체 코팅 B 는 가스켓 압축 파괴 저항성을 주기 위해서 효과적인 양 만큼 실링능력 때문에 가스켓을 코팅하지 않는다.
Patent KR-20000018417-A (KR)
Title: Method for forming metal wires of semiconductor devices
Inventor: KIM JONG SEOK
IPC: H01L21/28
Filed: 1998-09-02
Abstract: PURPOSE: A metal wire formation method is provided to improve a step coverage at sides of contact holes and a barrier property by forming double layers at both sides of the contact holes. CONSTITUTION: A method comprises the steps of forming an interlayer dielectric(11) on a semiconductor substrate(10) having a conductive pattern; forming a contact hole(14) by etching the interlayer dielectric(11); forming a barrier film(15) made of Ta on the resultant structure; simultaneously forming double layers having an amorphous silicon nitride layer(16) and a TaN layer(17) at both sides of the contact hole(14), and a TaN layer(17) formed at bottom the contact hole and on the barrier layer(15) by performing a plasma nitride treatment using N2 or NH3 gas as a source gas; and forming a metal wire on the resultant structure.
Patent KR-20000019254-A (KR)
Title: Device for improving thin film thickness uniformity of cvd
Inventor: SEOK CHANG GIL
IPC: H01L21/205
Filed: 1998-09-08
Abstract: PURPOSE: A device for improving a thin film thickness uniformity of CVD does not fix a shower head of CVD, rotates the shower head, and improves a uniform thickness of thin film. CONSTITUTION: A device for improving a thin film thickness uniformity mounts a vacuum sealing shower head rotation shaft(8) and a vacuum sealing rotation transmission device(9) to a shower head of CVD, and mounts a rpm control motor. Thereby, a rotation number of a shower head(5) is accurately controlled, and a thin film of uniform thickness is made.
Patent KR-20000020877-A (KR)
Title: Apparatus for polishing semiconductor wafer
Inventor: PARK CHEOL GYU
IPC: H01L21/304
Filed: 1998-09-24
Abstract: PURPOSE: A semiconductor wafer polishing apparatus is provided to minimize a damage due to a separation of wafer in transferring and carrying a wafer. CONSTITUTION: A polishing head(10) is provided to move along a certain orbit. A polishingpad driving unit(20) is disposed at upper portion of the polishing head and has a polishing pad(21) adhered to the bottom thereof. The polishing head is provided with a supporting plate for supporting a wafer at the inside of the upper portion thereof. A pair of rising pins pass through symmetrically the edge of the supporting plate and then are haunted by a predetermined driving source. A moving pivot is formed at the bottom of a polishing housing and moves along a certain orbit. Thereby, a damage due to a separation of wafer is minimized in transferring and carrying a wafer.
Patent KR-20000021039-A (KR)
Title: Client server system and method for outputting result of searching
Inventor: KIM YOON SU
IPC: G06F15/16
Filed: 1998-09-25
Abstract: PURPOSE: A client server system and a method for outputting a result of searching is provided to output a result of a document by performing an application of the document on a network server. CONSTITUTION: A client server system for outputting a result of searching comprises a client(200) and a server(210). The client connected to a network outputs a document result transmitted from the network according to a user's selection. The server connected to the client and the network converts a selected document to a document of a form interpreted in the client if the client selects a corresponding document. A method for outputting a result of searching comprises the steps of: connecting a client to a server through a network; requesting a document to the server; displaying the document in the client; requesting interpretative information to the server; and converting and displaying the document to an interpretable document.
Patent KR-20000021207-A (KR)
Title: Process for producing branched dextrin, maltotriose and high-purity maltose using pseudo mobile phase chromatography separation
Inventor: DO MOO HOE
IPC: C07H3/04
Filed: 1998-09-28
Abstract: PURPOSE: A method for producing the title three separation components is provided which settles a problem that lowers the purity of separation liquid components after chromatography separation. CONSTITUTION: The process comprises obtaining branched dextrin of a reducing sugar equivalent of 10, straight-chain oligosaccharide of maltotriose and maltose having a purity of above 92% by the separation of 45 to 55% malt starch syrup through a pseudo mobile phase chromatography separation. The process allows the three separation components containing high-purity maltose to be manufactured both simply and economically by using the pseudo mobile phase method of more effective three-phase separation.
Patent KR-19990037063-A (KR)
Title: 디지털 계량기의 계량 값 원격 검침방법 및 검침장치
IPC: G01F15/07
Filed: 1998-10-14
Abstract: 개시된 디지털 계량기는 상수도, 가스 및 전기 등의 사용량을 측정하는 계량기의 디지털 계량 값에 정전 등으로 인하여 장시간동안 전원이 공급되지 않아도 계량 값을 정확하게 검침하고, 이를 적외선을 이용하여 원격으로 수집하는 것이다. 
     본 발명은 계량 값 전송부 및 검침 단말기부를 구비하고, 계량 값 전송부는, 계량기의 사용량을 측정하는 계량 카운터에 그 계량 카운터의 값을 그대로 출력하는 절대값 엔코더를 구비하며, 절대값 엔코더는 계량 카운터의 '0∼9'를 각기 표시하는 회전 표시부에 회전 접점을 설치하여 회전 표시부의 회전에 따라 함께 회전되게 함과 아울러 회전 접점의 외측에 소정의 패턴이 형성된 엔코더 기판을 구비하여 회전 접점이 엔코더 기판의 패턴에 접촉되면서 계량 카운터의 값과 동일한 값을 출력하며, 절대 값 엔코더가 출력하는 계량 값을 보조 마이크로 컴퓨터가 단위 시간 간격으로 수집하여 출력하고, 이를 메인 마이크로 컴퓨터가 전송 받아 저장하며, 메인 마이크로 컴퓨터에는 적외선 수신부 및 적외선 송신부를 구비하여 적외선 수신부를 통해 계량 값의 전송 명령이 수신될 경우에 저장된 계량 값을 적외선 송신부를 통해 전송하며, 검침 단말기부는 검침원의 조작에 따라 해당되는 디지털 계량기의 고유 번호에 따른 전송 명령을 적외선으로 상기 계량 값 전송부에 전송하고, 계량 값 전송부가 적외선으로 전송하는 계량 값을 수신 및 저장한다.
Patent KR-20000026069-A (KR)
Title: Device for automatically driving cooling fan of audio system in car and method the same
Inventor: KIM HYUN GU
IPC: H05K7/20
Filed: 1998-10-17
Abstract: PURPOSE: A device for automatically driving a cooling fan and method the same are provided to automatically drive the cooling fan, only when an inner temperature is over a regular temperature. CONSTITUTION: A method for automatically driving a cooling fan of an audio system in a car comprises the steps of: composing a temperature sensor for checking an inner temperature of an audio system in a car; dropping the inner temperature by automatically driving a cooling fan, when it is the driving temperature of the cooling fan by constantly checking the inner temperature, when the audio system operates; and repeating a stopping operation of the cooling fan driving, by automatically interrupting power supply supplied to the cooling fan, when the temperature is dropped after certain time elapses.
Patent KR-19990037444-A (KR)
Title: 레지스트용 현상액
IPC: G03F7/32
Filed: 1998-10-28
Abstract: 본 발명은 미세한 레지스트 패턴에 있어서, 용해부에 대해서는 용해성을 촉진시키고 비용해부에 대해서는 용해성을 억제하는, 용해 선택성이 우수하고 보다 짧은 시간에 현상할 수 있는 레지스트용 현상액을 제공하는 것을 과제로 한다. 
     염기성 유기 화합물 A 및 염기성 화합물과 염을 형성할 수 있는 유기 화합물 B 에서 선택된 1 종 이상, 및/또는 염기성 유기 화합물 A 와, 염기성 화합물과 염을 형성할 수 있는 유기 화합물 B 로 형성된 염 C 에서 조제되어 이루어지는 레지스트용 현상액, 및 상기 현상액을 사용하여 현상하는 현상 방법에 관한 것이다.
Patent KR-20000032440-A (KR)
Title: Ballast for high voltage discharge lamp
Inventor: KIM TAE SEUNG
IPC: H05B41/231
Filed: 1998-11-14
Abstract: PURPOSE: A ballast for high voltage discharge lamp is provided which can prevent power consumption in a starting part during lamp lighting period. CONSTITUTION: A ballast for high voltage discharge lamp can reduce the power consumption of a discharge lamp(70), because the ballast can prevent the unnecessary power consumption during the normal lamp lighting period, by blocking the power of a starting part used in an initial lighting of the lamp after a fixed time established by considering the time needed in the initial lighting of the lamp has gone or when a voltage across the lamp becomes a voltage during the normal lighting of the lamp. The ballast comprises: a switch(120) switching to supply or block the power applied to the starting part; a voltage detection part(210) detecting an AC voltage across the lamp; an AC-DC converter(220) converting the AC voltage detected in the voltage detection part into a DC voltage; a comparison part(230) comparing the converted DC voltage with an established permitted voltage range; and a micom controlling the switch to block the power applied to the starting part if the converted DC voltage lies in the established permitted range.
Patent KR-20000037852-A (KR)
Title: Apparatus and method for processing signal protocol in order to verify mobility of international mobile telecommunication exchange
Inventor: YU JEONG JOO
IPC: H04L12/26
Filed: 1998-12-02
Abstract: PURPOSE: An apparatus and a method for processing a signal protocol to verify a mobility of an international mobile telecommunication (IMT) exchange are provided to verify the mobility of the exchange without an additional network element, and utilize the exchange for an asynchronous transfer mode (ATM), by developing the mobilities of a mobile terminal and a base station with integration. CONSTITUTION: If a message for a mobility and terminal access controls is received (111), it is determined to be valid (112). If the message is not valid, an error process is performed (113), and otherwise a transaction identifier and terminal managing message are generated (114) prior to transmission to an ATM mobile exchange (121). If a valid call process message is received (115,116,113), a call reference number is generated and converted to a Q.2931 message (117). The Q.2931 message is transmitted to the exchange (121). If a bearer message is received (118), the validity check process and error process are performed (119,113). The bearer message is converted to a mobility added message (120) prior to the transmission (121). If a control message is received (122), and it is determined to be valid and a type of the control message is classified (123).
Patent KR-20000042619-A (KR)
Title: Dyeing method of woven or knitted textile fabrics of polyester/polyamide composite fiber using disperse dye
Inventor: KIM YONG SUB
IPC: D06P3/85
Filed: 1998-12-26
Abstract: PURPOSE: A method for dyeing woven or knitted textile fabrics of polyester/polyamide composite fibers using disperse dyes is provided which improves coloring degree and dye washfastness. CONSTITUTION: A method comprises pouring 3 to 20 g/L caustic soda and 5 to 20 g/L 4-amino benzoic acid ethyl ester into a dyeing bath, subjecting to even dying at 50 to 60°C and dyeing at 120 to 140°C for 10 min. The pH of an initial dyeing bath is 9 to 11. The process is excellent in an alkali weight loss rate (14 to 16%) and free from degradation of disperse dyes such that it produces yarn dyeing products having excellent coloring degree and dye washfastness.
Patent KR-20000043913-A (KR)
Title: Method for forming metal contact of semiconductor device
Inventor: KIM JANG SIK
IPC: H01L21/28
Filed: 1998-12-29
Abstract: PURPOSE: A method for forming a metal contact of a semiconductor device is provided which improves the reliability of the device by preventing the junction loss and the junction leakage during metal contact processing, and improves the productivity with the process simplification. CONSTITUTION: A method for forming a metal contact includes the steps of: providing a silicon substrate(21) having a junction part(24); depositing a metal silicide layer(41) on the whole structure including the junction part; remaining the deposited metal silicide layer only on the junction part by removing the metal silicide layer selectively; forming a contact hole(28) where the remained metal silicide layer is revealed, after forming an inter level insulation film(27); and forming a metal line(32) by patterning a barrier metal layer(30) and a metal layer. The junction loss is prevented by that the metal silicide layer applied on the surface of the junction part of the source/drain is formed by direct deposition without annealing process, and the deposited metal silicide layer acts as an etching barrier layer during the etching process of the contact hole and a spacer.
Patent KR-20000045584-A (KR)
Title: Catalyst for olefin polymerization or copolymerization
Inventor: LEE YEONG SEOP
IPC: C08F110/06
Filed: 1998-12-30
Abstract: PURPOSE: A catalyst for olefin polymerization or copolymerization is prepared, which is characterized in that it catalytes the production of a granular polymer having high activity, and narrower molecular weight distribution and particular size distribution, and reduces the production of low polymer. CONSTITUTION: A catalyst for olefin polymerization or copolymerization is produced by the following steps: preparation of liquid magnesium solution by reacting the mixture of magnesium compound and aluminium compound with alcohol in inactive carbohydrate solvent; reacting the resultant liquid magnesium solution with ester compound, as an electron donor, having at least one of hydroxyl group with silane compound having alkoxyl group; and then adding titanium compound.
Patent KR-20000046563-A (KR)
Title: Method for restoring lost charging data in switching system
Inventor: PARK SANG DON
IPC: H04L12/14
Filed: 1998-12-31
Abstract: PURPOSE: A method for restoring lost charging data in the switching system is provided to easily restore the lost charging data generated due to a failure of a charging disk or a problem of a charging storage unit. CONSTITUTION: Receiving charging data(201), a charging data recording control part checks the state of a charging local buffer(202). If the state of the charging local buffer is not full, the charging data recording control part stores the charging data in the charging local buffer(203). The charging data recording control part checks whether a required amount is stored in the charging local buffer(204). If the required amount is stored, the charging data recording control part checks whether the charging data can be recorded in a charging disk(205). In the case of a state that the charging data can't be recorded in the charging disk, the charging data recording control part checks whether a storage device for charging dump exists in a memory device group(207). If the storage device for charging dump exists, the charging data recording control part transmits the charging data of the required amount stored in the charging local buffer to the storage device for charging dump(208).
Patent KR-20000046625-A (KR)
Title: Apparatus for evaporating liquid sample and liquid evaporating method by using the apparatus
Inventor: JUNG HYE YOUNG
IPC: G01N25/00
Filed: 1998-12-31
Abstract: PURPOSE: An apparatus for evaporating a liquid sample and a liquid evaporating method by using the apparatus are provided to prevent pollution of a liquid sample due to ambient air by performing evaporation of the sample by an evaporating device positioned in a microwave oven and installed with an aspirator. CONSTITUTION: An apparatus for evaporating a liquid sample including an aspirator and a chamber, wherein the aspirator is mounted on a top part of a side part of the chamber, the aspirator is formed in a cylindrical shape of which a diameter of an end part is 0.1-2.0cm and a diameter of the other end part is 0.1-5.0cm, and the chamber and the aspirator are formed of a material selected from a group consisting of tetrafluorethylene, glass, polyethylene and polystyrene, wherein the liquid sample is evaporated by mounting the apparatus in a microwave resolution apparatus oven and supplying and discharging inert gas to the aspirator.