baber/WOPTO huggingface dataset:
Patent KR-20000009031-A (KR)
Title: Reusing method for korean paper self-aged waste liquid as yeast culture medium
Inventor: LEE HYUNG CHUN
IPC: C12N1/16
Filed: 1998-07-21
Abstract: PURPOSE: A method for recycling a Korean paper self-aged waste liquid as an yeast culture medium is provided to prepare yeast-related products cost effectively during waste water treatment. CONSTITUTION: The method comprises the steps of: diluting(102) a formulated concentrate(101) of a Korean paper self-aged waste liquid to an appropriate concentration; adding an acid to the diluted liquid to control(103) the pH value adequate to the growth of yeast and filtering(104) the liquid; sterilizing(105) the filtrate; inoculating(106) an yeast in the filtrate; culturing(107) the yeast; adding(108) a self-aged formulated concentrate controlled at the same pH as the yeast culture timely; and continuously culturing the yeast until the growth becomes maximized.
Patent KR-20000009090-A (KR)
Title: High withstand voltage diode and method thereof
Inventor: KIM HO HYUN
IPC: H01L21/20
Filed: 1998-07-21
Abstract: PURPOSE: A high withstand voltage diode and method thereof are provided to improve a reverse recovery of high speed by restraining a focusing an electric field to stepped region between an anode junction and a ring junction regions. CONSTITUTION: The diode comprises a semiconductor substrate(12) of a first conductive type; an epitaxial layer(14) of a first conductive type formed on the substrate and relatively lightly doped compared to the substrate(12); an anode junction region(34) of a second conductive type formed on the epitaxial layer(14) and having a shallow junction; a plurality of ring junction regions(30) formed at edge portions of the anode junction region(34) and having a deep junction; and an inter-medium junction region(32) formed at contact portion between the anode junction region and the ring junction region, wherein the junction depth is deep compared to the anode junction region(34) and is shallow compared to the ring junction region(30).
Patent KR-20000013261-A (KR)
Title: Memory cell using one transistor and its fabrication method
Inventor: BAK YEONG GYUN
IPC: G11C11/22
Filed: 1998-08-06
Abstract: PURPOSE: A memory cell composed of only one transistor is provided to improve a degree of integration by ten times because of a simple structure and maintain stored data without a power supply. CONSTITUTION: The memory cell comprises only one transistor of which a source, a drain and a high dielectric gate are formed in a p-type(or n-type) well structure fabricated by an impurity diffusion into a silicon substrate in which the gate and the p-type well structure form a circuit for writing data and the source and the drain form a circuit for reading data so that writing and reading is performed by two terminals respectively.
Patent KR-20000013952-A (KR)
Title: Distributor structure of rectifier
Inventor: KIM DONG SUN
IPC: F25B33/00
Filed: 1998-08-14
Abstract: PURPOSE: A distributor structure of a rectifier is provided to improve installation efficiency and the reliability of rectifying while maintaining the distributing property of a liquid distributor of the fill packing materials in a rectifier. CONSTITUTION: A distributor(10) which is made up of a hemi-sphere airtight container and distributing liquid to fill packing materials in a rectifier containing fill packing materials to rectify the steam by contact of the liquid with the steam is installed by:an empty space connected with a liquid supply pipe(14) to receive the liquid; and a distributing surface(12) formed by processing many liquid jetting holes along the spherical surface of the container. Thereby, the steam is rectified using the material delivery between liquid and steam on the surface of the fill packing material.
Patent KR-20000014526-A (KR)
Title: High resolution liquid crystal display device and method for expanding display of low resolution image data
Inventor: LEE SEUNG JUN
IPC: G02F1/133
Filed: 1998-08-21
Abstract: PURPOSE: A high resolution liquid crystal display is provided to effectively use an entire display screen and improve affirmation by displaying low resolution image data expanded as much as one and more times on a screen. CONSTITUTION: The liquid crystal display comprises a liquid crystal panel displaying a screen, a liquid crystal display device controller including a timing controller and a frame memory, a source driver applying one and more line data to the liquid crystal panel by receiving image data and a control signal generated from the liquid crystal display device controller, and a gate driver driving a scan line of the liquid crystal panel by receiving the control signal generated from the liquid crystal display device controller.
Patent KR-20000018301-A (KR)
Title: Device and a method thereof for receiving efficiency and a high dynamic range in a mobile communications terminal device
Inventor: KIM HONG GYU
IPC: H04B1/40
Filed: 1998-09-01
Abstract: PURPOSE: A device is provided to improve receiving efficiency of interference environments, and maintain a dynamic range in mobile communication terminal devices. CONSTITUTION: A method for improving receiving efficiency and a high dynamic range in mobile communications terminal devices comprises: a low noise amplifier for amplifying a received signal through an antenna; a first controlling section for tracking input power received through the antenna in the normal state; a second controlling section for tracking the extent of interference environments in mobile communications terminal devices. The low noise amplifier makes the current flowing in the low noise amplifier become a low value, when it is the little input power in the normal state, by inputting the first controlling section and the second controlling section. The low noise amplifier controls the current flowing in the low noise amplifier to a high value, when the input power is increased in the normal state, and controls the current flowing in the low noise amplifier to a preset high value in interference environments.
Patent KR-19990064387-A (KR)
Title: 기름 열매체형 보일러
Filed: 1998-09-30
Abstract: 본 발명은 짧은 시간내에 난방과 온수의 확보가 가능하며 이로 인해 에너지를 크게 절약할 수 있는 기름 열매체형 보일러를 제공하는 데 있다.  본 발명은 연소부의 열에 의해 저장 탱크를 채우는 열매체를 간접 가열하여 내부의 유체를 가열하는 열교환기와, 열교환기를 통해 가열된 유체에 의해 급수를 가열하고 이를 순환하는 온수 열교환기 및 난방 장치를 포함하는 보일러에 있어서, 저장 탱크의 열매체를 물보다 끓는점이 높은 기름을 사용하는 것을 특징으로 한다.
Patent KR-20000024975-A (KR)
Title: Copolymer for manufacturing photoresist and chemical amplification type positive photoresist composition containing the same
Inventor: JEON HYUN PYO
IPC: G03F7/039
Filed: 1998-10-07
Abstract: PURPOSE: A copolymer for manufacturing photoresist and a chemical amplification type positive photoresist composition containing the same are provided to solve several problems of a fundamental resin to by using a new copolymer. CONSTITUTION: A copolymer for manufacturing photoresist is represented by a predetermined a chemical expression. In the copolymer, a molecular weight of a manufactured fundamental resin corresponds to a polystyrene conversion weight mean molecular weight of 1,000 to 1,000,000. Since a resin represented by the chemical expression has a different de-protection reaction activation energy, the photoresist composition containing the resin has a wide exposure degree and an excellent resist pattern independently of kinds of substrate.
Patent KR-20000025007-A (KR)
Title: Battery assembly and battery pack check apparatus mounted to mobile communication terminal and portable computer
Inventor: SHIM HEE JU
IPC: G01R31/36
Filed: 1998-10-07
Abstract: PURPOSE: A checking apparatus is provided to enhance the quality and productivity of products by performing a perfect check with respect to a battery assembly and battery pack functions in 0.2 seconds. CONSTITUTION: Four direct voltage of a battery assembly and battery pack is measured.A sense part measures an internal battery resistance. A C/F measures an ID resistance of a battery module. A V/F measures a battery module resistance or the ID resistance. An LCD displays measured data values and indicates a bad data value with a back light lit in case of NO GOOD. A GOOD LAMP is lit in case that Rs, DCV, V/F, and C/F inputs are within a predetermined range. A power switch is provided to turn on and off electric power.
Patent KR-19990036979-A (KR)
IPC: C07C67/343
Filed: 1998-10-09
Abstract: A process for the preparation of a cinnamic acid ester comprises condensing a benzaldehyde with an acetic acid ester in the presence of a base. The reaction mixture is then treated, without adding an additional solvent or after adding an additional solvent, with an acid to convert a 3-alkoxy-3-phenylpropionic acid ester in the reaction mixture into a corresponding cinnamic acid ester. This procedure allows cinnamic acid ester derivatives of high-purity to be obtained in good yield.
Patent KR-20000025619-A (KR)
Title: Open/lock device for set door of mini disk
Inventor: KIM DONG KYU
IPC: G11B17/032
Filed: 1998-10-13
Abstract: PURPOSE: An open/lock device for the set door of a mini disk is provided to simplify the shape of mode plate and open plate and to save the number of assembler by reducing the quantity of component. CONSTITUTION: An open knob(14), a first open lever(15) and a second open lever(16) are installed in a part of the main base. A driving motor(11) installed in the inner part of the main base generates a necessary driving force for the conversion from a recording mode to a stop mode. A mode plate(12) is coupled to the rotation axis of the driving motor(11) and interlocked according to a select mode. An elastic auxiliary material for an open plate(13), of which one part is coupled and fixed at the mode plate and other part is couped at the first open lever(15), makes the set door released from the second open lever(16) in open mode and is returned to original condition together with the first open lever(15) in restoration of the open knob.
Patent KR-20000026273-A (KR)
Title: Method for transforming sampling rate in digital modem
Inventor: BUN HONG HONG
IPC: H04L7/00
Filed: 1998-10-19
Abstract: PURPOSE: A method for transforming a sampling rate in a digital modem is provided to improve a data reliability of QAM(Quadrature Amplitude Modulation) and a band width efficiency. CONSTITUTION: A method for filtering a signal finds a corresponding coefficient of a digital filter of an interplant by an impulse response of the interplant, but finds the digital filter coefficient using a time change calculation method.
Patent KR-20000027270-A (KR)
Title: Method of forming pad metal of semiconductor device
Inventor: KANG JUNG GU
IPC: H01L21/28
Filed: 1998-10-27
Abstract: PURPOSE: A method of forming a pad metal of a semiconductor device is provided to prevent gold from penetrating a semiconductor substrate in manufacturing an alloy by adding platinum between titanium and gold and forming the pad metal to use the platinum as a barrier metal. CONSTITUTION: A method of forming a pad metal(140) comprises the steps of: forming a passivation layer(123) on the entire surface after forming a semiconductor element in an active region(120); eliminating a selected region of the passivation layer and forming a P-OHmic metal(126) in the eliminated region; and sequentially forming titanium(131), platinum(134) and gold(137) on the entire structure including the passivation layer and the P-OHmic metal and forming a pad metal(140) composed of titanium, platinum and gold by patterning and alloy process.
Patent KR-20000028359-A (KR)
Title: Semiconductor device
Inventor: SIM IL GWON
IPC: H01L23/00
Filed: 1998-10-31
Abstract: PURPOSE: A semiconductor device is provided to prevent a semiconductor device from cracking and being damaged and a semiconductor chip from mis operating, by increasing heat emitting performance of a fan-out typed and chip sized semiconductor device which installs a reinforcement for supporting a solder ball that is a final input and output terminal, on the external circumference of the semiconductor chip. CONSTITUTION: A semiconductor device(100) contains a metal lid(80) shaped in a flat, a semiconductor chip(40) forming an input and output pad, a circuit substrate sheet(10) forming a certain penetrating unit, a conductive wire(50) connecting the circuit board sheet and the input and output pad of the semiconductor pad, a sealing material(60), a reinforcement(30), and a solder ball(70). The device emits heat through the metal lid to the outside by bonding the metal lid having excellent heat conductivity on the one face of a semiconductor chip. Also, the outline of the metal lid contacts with the reinforcement in order to emit heat from the circuit board sheet to outside and support the reinforcement and the circuit board sheet by the metal lid.
Patent KR-20000031899-A (KR)
Title: Chiller of chuck part for fabricating semiconductor device
Inventor: JEON DEOK JAE
IPC: H01L21/66
Filed: 1998-11-11
Abstract: PURPOSE: A chiller for fabricating a semiconductor is provided to chill and maintain a uniform temperature in a chuck part by preventing the inverse current of coolant supplied to the chuck part. CONSTITUTION: An equipment for fabricating a semiconductor device equips with a chuck part(100) where a semiconductor substrate(200) is equipped. At the chuck part, coolant circulation lines(310,330) are connected to supply the coolant into the chuck part and to circulate. The coolant circulation lines are consisted of a coolant supply line(310) and a coolant exhaust line(330). Herein, the coolant supply line supplies the coolant into the chuck part while having one end connected to a chiller(350) and the other end connected to the chuck part. Then, the coolant exhaust line contains one end connected to the chuck part for facing to the coolant supply line and the other end connected to the chiller for facing to the coolant supply line. Herein, the length of a first coolant supply line is shorter than the one of a second coolant supply line. Moreover, a valve is established to be near the chuck part to prevent the inverse current of the coolant.
Patent KR-20000032784-A (KR)
Title: Process for preparing diamonds using plasma jet at high speed
Inventor: PARK DONG HWA
IPC: C04B41/50
Filed: 1998-11-18
Abstract: PURPOSE: A process for preparing diamonds is provided to give the high efficiency for controlling its thickness as well as the performance therefor at a high speed, which utilizes a DC heat plasma chemical vapor deposition(CVD) method. CONSTITUTION: The process includes the following characteristic steps, based on the units shown in figure 1. Firstly, a vacuum pump removes air from a reactor to give the plasma gas atmosphere. Methane as a fuel gas is then fully mixed with hydrogen using plasma jet. The desired diamonds are thereby deposited on substrates. In the deposition step, controlling flow ratios between methane and hydrogen, the temperature of the substrate and the deposition time of the diamonds make the deposition of the diamonds onto the substrate to accelerate the depositing procedure rapidly. Further, there are characterized in that the flow ratio is comprised of 3-5% of hydrogen, the temperature range of the substrate is 900-1050°C, and the deposition time is 20 min to 60 min.
Patent KR-20000033559-A (KR)
Title: Cathode ray tube
Inventor: KIM DONG SEON
IPC: H01J29/48
Filed: 1998-11-24
Abstract: PURPOSE: A cathode ray tube is provided for maintaining an applied inner conduction membrane in line with the surface of a funnel. CONSTITUTION: A cathode ray tube includes a panel(30), a funnel(40), a shield cup(52), an electron gun(50), and a first and a second bulb spacer(522,523). The panel includes a fluorescent membrane(31) inside. The funnel(40) is bound to the panel and includes a predetermined inner conduction membrane(41). The electron gun(50) is implemented on the neck(42) of the funnel(40) and includes a plurality of electrodes. The shield cup(52) includes a circular body including an electron beam go-end hole. One terminal of the first bulb spacer(522) is formed on the upper part of the body. The other terminal of the first bulb spacer is extended from the one terminal and is supported around the neck. One terminal of the second bulb spacer(523) is formed on the upper part of the outer diameter of the body. The other terminal of the second bulb spacer is extended from one terminal and is supported around the inner diameter of the funnel.
Patent KR-19990062646-A (KR)
Title: 전압 발생 회로
IPC: G05F3/24
Filed: 1998-11-30
Abstract: 전압 발생 회로는,  소스 단자에 전원 전압이 제공되는 부하 트랜지스터 회로,  소스 단자가 부하 트랜지스터 회로의 드레인 단자와 접속되는 트랜스퍼 게이트 회로,  드레인 단자가 트랜스퍼 게이트 회로의 드레인 단자와 접속되며 소스 단자가 접지된 클램프 회로,  및 클램프 회로의 드레인 단자와 트랜스퍼 게이트 회로의 게이트 단자 사이에 제공되는 인버터 회로로 구성된다.     부하 트랜지스터의 게이트 단자에는  CEB (Chip Enable)  신호가 제공된다.     클램프 회로의 게이트 단자는  부하 트랜지스터 회로의 드레인 단자와 접속된다.     부하 트랜지스터 회로의 드레인 단자,  트랜스퍼 게이트 회로의 소스 단자 및 클램프 회로의 게이트 단자는  함께 접속되어,  일정 전압을 출력하는 전압 발생 회로의 출력 단자로 동작한다.     인버터 회로의 논리 문턱 전압 만큼 높은 전압이  클램프 회로의 드레인 단자에 인가될 경우,  트랜스퍼 게이트 회로가  그 인버터 회로의 반전에 의해 OFF 로 되어,  비정상적인 고전압의 인가 및 접합 파괴로부터 클램프 회로를 보호할 수 있게 된다.
Patent KR-20000038633-A (KR)
Title: Digital television with automatic fine tuning capability
Inventor: HWANG TAE DON
IPC: H04N5/50
Filed: 1998-12-08
Abstract: PURPOSE: A digital television with automatic fine tuning capability is provided to store the voltage variation curve according to intermediate frequency variation in order to use the curve for compensating the intermediate frequency variation. CONSTITUTION: A digital television with automatic fine tuning capability includes an AFT(auto fine tuning) detector(16), a micom(17), and a tuner(11). The AFT detector(16) stores the voltage variation curve according to intermediate frequency variation priorly to generate a voltage corresponding to an intermediate frequency(IF) as an AFT voltage. The micom(17) controls oscillation frequency according to the AFT voltage generated in the AFT detector. The tuner(11) generates a received RF(radio frequency) signal as an IF signal according to an oscillation frequency signal adjusted by the micom.
Patent KR-20000039633-A (KR)
Title: Shift circuit for gate driver of liquid crystal display
Inventor: BYUN JAE IL
IPC: G02F1/133
Filed: 1998-12-15
Abstract: PURPOSE: A shift circuit for a gate driver of a liquid crystal display is provided to reduce the size of all gate drivers by using a latch array without using a flip-flop array. CONSTITUTION: A shift circuit for a gate driver of a liquid crystal display includes a divider(410), shifter(400), a logic combination unit(420) and a drive buffer(440). The divider divides an external main clock signal by a predetermined ratio, and outputs the divided result as a latch clock signal. The shifter comprises N numbers of latches connected serially, latches predetermined input data, and shifts the latched result in response to the latch clock signal. The logic combination unit comprises N numbers of logic gates, logically combines the latch clock signal and each output of the N numbers of latches, and outputs the combined result as a liquid crystal drive voltage. The drive buffer comprises N numbers of buffers, and generates N channels of channel voltages by buffering the N numbers of liquid crystal drive voltages.
Patent KR-19990063467-A (KR)
Title: 토너 및 화상 형성 방법
IPC: G03G9/08
Filed: 1998-12-24
Abstract: 높은 처리 속도에서도 우수한 정착 성능을 나타내는 토너는 결합제 수지, 왁스 및 착색제로 이루어진다.  토너는 특히 (a) 160℃에서 8.0×10 2 내지 1.2×10 4 ㎩의 저장 모듈러스 G'(160℃), (b) 160℃에서 4.0×10 2 내지 6.0×10 3 ㎩의 감손 모듈러스 G(160℃), (c) 감손 탄젠트 tanδ(160℃) = 160℃에서 0.1 내지 1.5의 G(160℃)/G'(160℃), (d) 190℃에서 6.0×10 2 내지 1.6×10 4 ㎩의 저장 모듈러스 G'(190℃), (e) 190℃에서 2.0×10 2 내지 4.0×10 3 ㎩의 감손 모듈러스 G(190℃), (f) 감손 탄젠트 tanδ(190℃) = 190℃에서 0.05 내지 1.2의 G(190℃)/G'(190℃), (g) G'(160℃)/G'(190℃) = 0.5 내지 2.0, 및 (h) tanδ(160℃)  tanδ(190℃)를 포함한 점탄성을 특징으로 한다.
Patent KR-20000043982-A (KR)
Title: Exposure apparatus for manufacture of semiconductor device
Inventor: KWON GI YONG
IPC: H01L21/027
Filed: 1998-12-29
Abstract: PURPOSE: An exposure apparatus used for a manufacture of a semiconductor device is provided to detect a tilt of a stage and thereby to keep a wafer level. CONSTITUTION: An exposure apparatus includes a stage(1) and a chuck(2) mounted on the stage(1). A wafer(5) subjected to an exposure process is placed on the chuck(2). The exposure apparatus further includes a first light emission unit(3) for applying a light to the wafer(5) and a first light receiving unit(4) for receiving a light reflected from the wafer(5). In particular, the exposure apparatus includes plural reflecting mirrors(101), plural second light emission units(102) and plural second light receiving units(103). While the reflecting mirrors(101) are installed on the stage(1), each second light emission unit(102) applies a light to each reflecting mirror(101) and then each second light receiving unit(103) receives a light reflected from the mirror(101). Therefore, a tilt of the wafer(5) is detected by operation of both the first light emission unit(3) and the first light receiving unit(4), and then set at level by adjustment of the chuck(2). On the other hand, a tilt of the stage(1) is detected by operation of both the second light emission units(102) and the second light receiving units(103), and then set at level by adjustment of the chuck(2).
Patent KR-19990029047-A (KR)
Title: 초소형 전자 스프링 접촉 요소
IPC: G01R1/067
Filed: 1997-05-15
Abstract: 스프링 접촉 요소들이 능동 반도체 소자와 같은 전자 부품일 수 있는 기판의 표면 상에 증착된 마스크층에 한정된 개구 내로 금속성 재료의 적어도 하나의 층을 증착시킴으로써 제작된다.  각각의 스프링 접촉 요소는 기부 단부와, 접촉 단부와, 중앙 본체부를 갖는다.  접촉 단부는 상기 기부 단부는 z 축(상이한 높이로)과 적어도 하나의 x 및 y 방향으로 오프셋된다.  이 방식에서, 다수의 스프링 접촉 요소들은 기판 상에서 서로 기재된 공간 관계로 제작된다.  스프링 접촉 요소들은 다른 전자 부품의 단자와 일시적(즉, 가압) 또는 영구적(예를 들어, 솔더링 또는 브레이징에 의하거나 또는 도전성 접착제와 함께 접합됨) 접속을 형성한다.  모범 응용에서, 스프링 접촉 요소들은 일시적 접속이 반도체 장치를 번인 및/또는 시험하도록 반도체 장치로 제작될 수 있도록 반도체 웨이퍼 상에 내재하는 반도체 상에 증착된다.
Patent KR-19990066980-A (KR)
IPC: B01J38/00
Filed: 1996-10-17
Abstract: PCT No. PCT/EP96/04504 Sec. 371 Date Apr. 21, 1998 Sec. 102(e) Date Apr. 21, 1998 PCT Filed Oct. 17, 1996 PCT Pub. No. WO97/15392 PCT Pub. Date May 1, 1997An improved process is provided for the recovery of catalyst components from oligomeric impurities which are formed during the industrial preparation of 2,5-dihydrofuran by the catalytic isomerization of vinyl oxirane followed by an essential separation of the oligomeric by-products which otherwise cause deactivation of the catalyst. The catalyst components consist essentially of (a) an onium iodide and (b) a Lewis acid selected from the group consisting of the chloride, bromide or iodide of the metals zinc, tin, cobalt and bismuth, preferably zinc, where the catalyst optionally includes a donor ligand. This separation is carried out by the steps of extracting the initial product mixture containing zinc, cobalt or bismuth halides as Lewis acids with hydrocarbons or chlorinated hydrocarbons containing from 5 to 14 carbon atoms in order to form two separate phases on standing, separating off the extraction solvent phase which contains the dissolved catalyst and then recovering the separated catalyst by distilling off the extraction solvent. The recovery of tin iodide requires the presence of a special onium halide component such as phosphazenium or phosphazanium halides, preferably the iodides, having a high molecular weight and especially those which contain from 16 to 72 carbon atoms while remaining soluble in the extracting agent.