baber/WOPTO huggingface dataset:
Patent KR-20000056700-A (KR)
Inventor: LEE KI SUB
IPC: F24F1/00
Filed: 1999-02-25
Abstract: PURPOSE: An indoor unit of an air conditioner is provided to perform effective cooling and heating by discharge air flow to proper positions by presetting the air discharge direction according to the property of the air flow with upper and lower flow guides. CONSTITUTION: An indoor unit of an air conditioner includes a horizontal vane mounted at a discharge hole for controlling the direction of air discharge vertically by using an angle change, a plurality of right and left vanes(51) mounted in the horizontal vane for changing the direction of air discharge right and left by using an angle change, and upper and lower flow guides(61) supported on side surfaces of the right and left vanes by being hinged to the side surfaces and of which angle is controllable in the right and left directions, wherein the right and left vanes rotate by a same angle with relation to a rotation shaft(52) and the upper and lower flow guides are connected with each other by a connection rod(62) for rotating by a same upper and lower angle.
Patent KR-20000056910-A (KR)
Inventor: JANG JEONG MIN
IPC: B66B5/28
Filed: 1999-02-27
Abstract: PURPOSE: A car shock damper apparatus of elevator is provided to a simple structure to give a safety relaxation for passenger with decreasing of the shock of elevator. CONSTITUTION: A car shock damper apparatus of elevator comprising a plate shaped round springs(10) and friction damper(14,16) are mounted on between the bottom of a cage(4) and a floor of car frame(3). The plate shaped round springs(10) is fixed on a side of car frame(3) with a bolt(12).
Patent KR-20000022586-A (KR)
Inventor: ARIMOTO HIRONOBU
IPC: G09G3/28
Filed: 1999-03-03
Abstract: PURPOSE: A display control circuit for a display panel is provided to perform a processing in a high speed using a lookup table. CONSTITUTION: A display control circuit for a display panel comprises a sequence counter (22), a lookup table(24), and a comparator(26). The sequency counter(22) counts the number of display pulses supplied to a common electrode. The lookup table(24) is addressed by the counted value of the sequence counter, and outputs a brightness value corresponding to the counted number of the display pulses. The comparator(26) compares the brightness value from the lookup table and input brightness data. An apply period of a control voltage to a separate electrode of a display cell is controlled by an output of the comparator(26).
Patent KR-20000060114-A (KR)
Title: A semiconductive power cable shield
Inventor: KIM EUN JU
IPC: H01B5/16
Filed: 1999-03-12
Abstract: PURPOSE: A semiconductive material for high voltage is provided to enhance surface property of coarseness and resistance stability due to repetitive heat hysteresis by reducing content of carbon black. CONSTITUTION: A semiconductive material is produced by compounding matrix resin of 100 weight part, carbon black of 40 to 80 weight part, antioxidant 0.2 to 10 weight part, process compound of 0.1 to 10 weight part, crosslink agent 0.1 to 10 weight part, crosslink compound of 0.1 to 10 weight part. The material is mixed by using a kneader mixer and crosslinked for about 20 minutes at 170 dge.C by using a press. The amount of carbon black is reduced more than 15%.
Patent KR-20000060214-A (KR)
Inventor: HONG BYEONG IL
IPC: H03M1/12
Filed: 1999-03-12
Abstract: PURPOSE: An analog-to-digital converter is provided to realize high resolution and to reduce an area occupied by a device, by making a voltage level converter perform a role of an analog-to-digital converter. CONSTITUTION: An analog-to-digital converter comprises a comparator(10) which compares an analog input voltage(Vain) with a reference voltage(Vref). An M-bit successive approximation register(20) stores a logic level from the comparator(10), and a first voltage level converter (30) converts 0 to VDD/2 levels of the analog input voltage(Vain) into signals of VDD/2 to VDD levels proportionally. A second voltage level converter (40) converts VDD/2 to VDD levels of the analog input voltage(Vain) into signals of VDD/2 to VDD levels proportionally. A voltage storing part(50) stores the analog input voltage(Vain) and an analog input voltage(VNEWAIN) generated newly from the first and second voltage level converter s(30,40). Switches(SW0-SW4) enable the analog signal(Vain or VNEWAIN) to be stored in the comparator(10) or the voltage storing part(50). An inverter(INV1) and transmission gates(TG1,TG2) forces the analog signal stored in the voltage storing part(50) to be applied to the first and second voltage level converter s(30,40) according to an output level of the comparator(10).
Patent KR-20000061694-A (KR)
Inventor: YANG TAE JEONG
IPC: F02D45/00
Filed: 1999-03-30
Abstract: PURPOSE: A method is provided to prevent a dangerous sudden acceleration and sudden start of a vehicle by checking an accelerating position sensor and an idle position switch. CONSTITUTION: A method comprises a first step of checking an idle position switch error in accordance with an operation time preset for on/off switching time of the idle position switch and on/off switch state of the idle position switch, a second step of checking an accelerating position sensor error by determining whether an output voltage from the accelerating position sensor is higher than a rated voltage and whether an output voltage from the accelerating position sensor is in the range of upper limit and lower limit which are preset with respect to a rated voltage, and a third step of converting into a fail safe mode upon checking of error of the idle position switch and the accelerating position sensor and converting the idle position switch and the accelerating position sensor into a normal mode in accordance with a normal signal input.
Patent KR-19990082925-A (KR)
Title: Ｉｃ시험장치의 스큐조정방법 및 그 방법에 사용되는 의사 디바이스
IPC: G01R31/317
Filed: 1999-04-03
Abstract: 복수매의 핀카드와 IC소켓을 구비한 IC시험장치의 스큐조정을 정확하게 행할 수 있는 스큐조정방법 및 이 방법에 사용하는 의사 디바이스를 제공한다. IC소켓(10)의 단자에 접속되는 복수매의 핀카드(11A 내지 11N)중 어느 하나(11N)를 기준핀카드로 정하고, IC소켓에 장착되었을 때 상기 기준 핀카드(11N)에 대하여 다른 핀카드중 하나를 IC소켓을 통하여 전기적으로 접속하는 의사 디바이스(12)를 복수개 준비하고, 상기 의사 디바이스를 순차적으로 IC소켓에 장착하여 상기 다른 핀카드의 모든 드라이버(DR)를 순차적으로 상기 기준 핀카드의 전압비교기(CP N )에 접속하고, 각 핀카드의 드라이버의 지연위상을 기준으로 정한 지연위상과 합치하도록 각 핀카드의 가변지연회로(DRY1, DRY2)를 조정한다.
Patent KR-20000016848-A (KR)
Inventor: SHIBATA HIDETAKA
IPC: G11C11/401
Filed: 1999-04-07
Abstract: PURPOSE: A semiconductor memory device is provided, which decreases a necessary time to set an operation mode and secures a high-speed data transmission rate to decrease the number of command. CONSTITUTION: The semiconductor memory device comprises: a system (70) for providing each signal such as a command code signal, an address signal, a data signal, and a data mask signal; and a SGRAM (50) for performing an operation control according to the each signal provided from the system (70), including a memory core (12), a clock buffer (14), a command decoder (52), an address buffer register (18), an input/output buffer (54), a control signal latch (22), a column address counter (24), a mode setting control circuit (56) for setting an operation mode of a mode register (26), a color register (28), and a mask register (30). Thereby, it is possible to secure a high-speed data transmission rate.
Patent KR-20000066288-A (KR)
Inventor: YOON JONG HO
IPC: B32B27/32
Filed: 1999-04-15
Abstract: PURPOSE: Provided is a polyolefin coextrusion film, that is capable of thermal lamination on the surface of a matrix such as a paper, a metal and a film, and has excellent optical properties and adhesive strength. CONSTITUTION: The film has a polypropylene resin layer as the center layer and coextruded surface layers on both sides, and at least one of surface layers is a corona-discharged thermal adhesive layer. The corona-discharged adhesive layer is composed of i)100pts.wt. of resin mixture consisting of 20-80pts.wt. of polyethylene resin and 20-80pts.wt. of polypropylene resin, wherein, a melting index of polyethylene resin is 1-15g/10min and a melting point of polypropylene resin is 145-165°C.; ii)1-5pts.wt of a thermal adhesion coagent having a molecular weight of 10,000 or less ; and then iii)0.5-1pts.wt. of a finishing coagent.
Patent KR-20000075278-A (KR)
Inventor: KOO JA HEUM
IPC: H01L29/78
Filed: 1999-05-31
Abstract: PURPOSE: A method for manufacturing a semiconductor device having source/drain regions protruded over a field region is provided to improve a characteristic, by reducing contact resistance of the source/drain regions while decreasing a junction leakage current. CONSTITUTION: A trench(42) is formed on a semiconductor substrate(40). An isolation layer(44) is formed on the trench, but the surface of the isolation layer is lower than that of the semiconductor substrate so that an upper side of the trench is exposed. An epitaxial layer is grown on the semiconductor substrate including a side of the trench while a part of the epitaxial layer is protruded over the isolation layer. A junction region(48) is formed on a surface layer of the semiconductor substrate. A metal layer is formed on the resultant structure having the epitaxial layer. A thermal process is performed regarding the resultant structure having the metal layer to form a metal silicide layer(52) of which a part is protruded from the junction region over the isolation layer.
Patent KR-19990068567-A (KR)
Filed: 1999-06-02
Abstract: 본 발명은 골프채 헤드(이하 헤드)의 효과적인 무게중심 설정과 그의 응용으로서, 무게중심설정을 적절히 함으로 골프공(이하 공)의 비거리를 증대시키는 효과를 얻는 것이다. 
     골프채를 휘둘러 공을 가격할 때의 운동은 가속 원운동이며, 헤드와 공의 충돌시의 원운동은 접선방향으로 전방에 향하게 된다.  일반적으로 다른조건은 동일 시 공을 헤드로 충격을 가할 때 공이 받는 충격량이 크면 클수록 공은 멀리 나가게 된다. 공의 충격지점, 즉, 헤드와 공이 맞닿는 지점과 접선방향의 벡터의 방향과 일치할 때 그리고 그 방향에 많은 힘, 또는 무게가 지워질 때 공은 멀리 나갈 수 있게 된다. 
     따라서 무게중심은 초기 충돌 점과 벡터 방향과 일치선상에 놓여있고 대부분의 무게가 충돌면뒤와 벡터의 방향내에 위치하게 된다.
Patent KR-20010001458-A (KR)
Inventor: CHUN GANG UK
IPC: G06T9/00
Filed: 1999-06-04
Abstract: PURPOSE: An apparatus and a method for decoding motion pictures are provided to reduce the capacity of memory by decoding motion pictures using image coding. CONSTITUTION: An apparatus and a method for decoding motion pictures comprise a demultiplexer(210), a VLD(220), an inverse quantizer(230), an ICDT(240), a motion compensator(250), a transform coder(280), and a transform decoder(270). The demultiplexer(210) separates a motion vector and a variable length code from an input bit stream. The VLD(220), the inverse quantizer(230), and the IDCT(240) recovers macro block data to predetermined block units. The transformer coder(280) codes compensated macro block data according to the predetermined block units and stores them to a memory(290). The transform decoder(270) outputs an output image by generating a predictive block from the stored macro block data. The motion estimator(250) performs a motion estimation process in the predictive block.
Patent KR-19990083700-A (KR)
Title: 통신용어학학습시스템
IPC: G09B5/06
Filed: 1999-06-09
Abstract: 본 발명은 어학기록매체를 이용하여 통상적인 어학실습을 수행함과 동시에 통신을 통하여 원격의 학습을 수행하는 통신용 어학학습시스템에 관한 것이다. 본 어학학스시템은 마이크신호처리부와 라디오처리부와 데크신호처리부의 음신호를 사용자에게 들려줄 수 있도록 청각을 유도하는 음출력부와, 외부로 향한 통신라인을 통하여 원격지에 있는 외부기기와 음성통신과 데이타통신 중 적어도 어느 하나를 수행하는 통신부와, 상기 라디오신호처리부와 상기 마이크신호처리부와 상기 데크신호처리부와 상기 통신부의 각 출력신호 중 적어도 어느 하나를 선택적으로 상기 음출력부에게로 신호절환하고, 상기 데크신호처리부와 상기 통신부 중 어느 일측이 타측을 향하여 출력신호의 이동을 유도하는 절환부와, 상기 절환부에게 선택적인 절환신호를 인가하고 상기 통신부와 상기 라디오신호처리부와 상기 마이크신호처리부와 상기 데크신호처리부에게로 제어신호를 발생시키는 마이컴 콘트롤부와, 상기 통신부와 상기 라디오신호처리부와 상기 마이크신호처리부와 상기 데크신호처리부가 동작하도록 하기 위해 상기 마이컴 콘트롤부에게로 사용자의 시스템동작명령을 입력하는 키보드입력부를 포함한다. 이에 따라, 통신을 이용하여 원격지에 있는 사람에게 어학학습데이터를 전송하고 다수의 사용자가 동시에 회의식학습을 가능케하여 학습의 장소를 파괴하는 사용자의 편리성을 향상시킬 수 있다.
Patent KR-20000006031-A (KR)
Inventor: HERON DON MIKAEL
IPC: C01B23/00
Filed: 1999-06-09
Abstract: PURPOSE: A super low temperature air dividing method is provided to recollect the denitated crude argon product. CONSTITUTION: An argon producing comprises the steps of: guiding to the lower part of a high pressure column(103) and distillation to high pressure nitrogen vapor flow(105) and crude liquid oxygen flow(115) of the cool compressed supply air; producing the liquid flow(107) by condensing the nitrogen vapor flow in a reboiler/condenser(113); division of the nitrogen vapor flow to two flows(109,111); and guiding the nitrogen vapor flow to the high pressure column and the low pressure column.
Patent KR-20010003070-A (KR)
Inventor: KIM HYEON GON
IPC: H04B7/15
Filed: 1999-06-21
Abstract: PURPOSE: A signal protocol structure of an HLR(Home Location Register) is provided to reduce delay generated in setting up a packet signal by taking an identical protocol structure for the signal plane and transmission plane of a GGSN(Gate GPRS Support Node) and a SGSN(Serving GPRS Support Node) and to achieve the simplification of a protocol by excluding a complicated common line signaling(CCS No.7) protocol. CONSTITUTION: The signal protocol structure of a packet data service node and a packet data gateway node is composed of a layer 1(570), a layer 2(560), an IP layer(550), a TCP/UDP layer(540), a TCAP layer(530), a MAP(Mobile Application Part) layer(520). The TCP in the TCP/UDP layer(540) is used for traffic in a transmission plane and the UDP is used for traffic in the transmission plane and for a signal message in a signal plane in common.
Patent KR-20010003449-A (KR)
Inventor: CHOI HONG GIL
IPC: H01L21/3205
Filed: 1999-06-23
Abstract: PURPOSE: A semiconductor device and a method for fabricating the same are provided to improve the refresh feature of the semiconductor device by surrounding a titanium film with a spacer before a passivation film is formed. CONSTITUTION: The first conductive film pattern(12) is formed on a semiconductor substrate(10) on which an insulating film(11) is formed. An interlayer insulating film(13) is formed on a surface of the semiconductor substrate(10). The interlayer insulating film(13) is etched in such a manner that a part of the first conductive film pattern(12) is exposed thereby forming a contact hole. A titanium film(14) is formed on a surface of the contact hole and on the upper surface of the interlayer insulating film(13). The second conductive film is formed on the titanium film(14). The second conductive film pattern(15) is formed by patterning the second conductive film and the titanium film(14).
Patent KR-20010003536-A (KR)
Inventor: CHO SEONG YEOP
IPC: C09K17/02
Filed: 1999-06-23
Abstract: PURPOSE: The titled agent composition capable of reutilizing tidal mud as filled-up land and comprising sodium carbonate, potassium carbonate, sodium chloride, ammonium chloride, cobalt chloride as a main component is provided, which hardens tidal mud effectively at low cost. CONSTITUTION: In a soil hardening agent, the composition comprises 5.8 to 6.0% by weight of sodium carbonate, 6.0 to 6.5% by weight of potassium carbonate, 6.0 to 7.0% by weight of sodium chloride, 1.4 to 1.6% by weight of ammonium chloride, 0.25 to 0.30% by weight of cobalt chloride and the balance water. The amount of harmful substance discharged from the tidal mud hardened by the hardening agent is reduced by 100 times or more as compared to tidal mud before treatment.
Patent KR-19990073308-A (KR)
Title: 산업용섬유유연제의과립상제조방법
IPC: B01J2/12
Filed: 1999-07-01
Abstract: 본 발명은 섬유용 유연제의 입상 제조방법에 관한 것으로, 더욱 상세하게는 섬유에 사용되는 유연제의 형태를 수용액중에서 용해력이 우수한 입상의 형태로 제조하는 방법에 관한 것이다. 
     본 발명은 스테아린산 100중량부에 대해 아미노에틸에타놀아민(AEEA) 22.3 ~ 22.5중량부를 첨가하여 175℃ ~ 180℃의 온도에서 질소 가스하  6 ~ 7시간 동안 교반 반응하고, 이어서 상기 반응물을 130℃의 온도로 냉각하고, 유동파라핀 6 ~ 6.5중량부를 첨가하고, 유화제로 폴리옥시에틸렌노닐페닐에테르(NP-40 ~ NP 50계열)의 유화제를 22.5중량부 첨가하고, 80℃의 온도에서 30분간 교반한후, 빙초산 5중량부를 첨가하여 1 ~ 2시간 동안 교반기로 교반하여 유연제 현탁액을 배합조제하는 단계, 상기 조제된 유연제 현탁액을  도관을 이용하여 냉각 분무탑의 상단에 설치된 분무 노즐을 통하여 분무탑 내부로 분사하는 단계, 상기 분무 노즐을 통해 분무된 유연제를 냉각하여  과립상으로 형성하는 단계, 상기 단계에서 형성된 유연제의 과립상을 분무탑 하단의 호퍼형태의 배출구를 통하여 과립상 유연제를 수집하는 단계로 이루어지는 산업용 섬유 유연제의 과립상 제조방법이다.
Patent KR-20010008486-A (KR)
Inventor: JUN SAN
IPC: H01M50/50
Filed: 1999-07-01
Abstract: PURPOSE: An apparatus and a process for fabricating a cathode plate of a Ni-MH battery are provided to maximize productivity of the battery by manufacturing the cathode plate of Ni-MH battery via an automatic batch process. CONSTITUTION: A cathode plate fabrication apparatus comprises a cathode plate feeding unit(3), first press unit(9), an active material eliminating unit(13), a tap feeding unit(19), a tack welding unit(25), a cutting unit(23), a main welding unit(27) and second press unit(31). The feeding unit(3) supplies cathode plate raw material(6) from a cathode plate roll(5). The first press unit(9) cuts the cathode plate raw material(6) into a certain length to form rectangular unit cathode plates(7). The active material eliminating unit(13) rams the cathode plate(7) in one corner portion to eliminate an active material from the cathode plate raw material(6). The tap feeding unit(19) supplies a tap strip from a tap strip roll. The tack welding unit(25) tack welds an end portion of the tap strip from the tap feeding unit(19) to the upper and lower sides of the cathode plate(7). The cutting unit(23) cuts the tack welded tap strip into a certain length to form rectangular taps, which are finish welded by the main welding unit(27) and cut into a final shape by the second press unit(31).
Patent KR-20010008522-A (KR)
Inventor: KIM HUI JIN
IPC: B24C1/00
Filed: 1999-07-01
Abstract: PURPOSE: A CMP(chemical mechanical polishing) grinding agent generating an electric field is provided to promote regular grinding by forming a specific thickness of piezo-ceramic for generating an electric field by applying pressure to the outer circumference of grinding agent particles and then activating the polishing particles differently depending on pressure applied to high/low areas of a wafer. CONSTITUTION: To polish the surface of a wafer(10), polishing particles are supplied to a polishing pad(30) and the wafer rotates reversely together with the polishing pad. A part of the polishing particles is contacted to a high area(14) of the wafer and polished by a high pressure together with the polishing pad. A piezo-ceramic attached on the outer circumference of the polishing particles is activated as an active polishing particle(20a). Thereby, polishing efficiency is enhanced. On the contrary, the other polishing particles on a low area(12) of the wafer are influenced by a low pressure. The piezeo-ceramic thereof has a small active force as an inactive polishing particle(20b) so that the low area of the wafer is not polished. The high area of the wafer is polished efficiently while the low area is not. Therefore, the wafer is polished regularly.
Patent KR-20010008820-A (KR)
Inventor: KIM CHANG JIN
IPC: F02N11/08
Filed: 1999-07-05
Abstract: PURPOSE: A remote control apparatus for automobile and control method for the apparatus is provided to operate a lock device or start an engine without key operation. CONSTITUTION: An apparatus comprises an information storing unit(10) for repeatedly outputting the information which is set by a button or a program, during a predetermined time period; a transmitting unit(12) for taking as an input the information output from the information storing unit, and transmitting the signal of the information storing unit through an antenna(13a); a receiving unit(16) for receiving the signal output from the transmitting unit through an antenna(13b); and a control unit(14) for taking the output of the receiving unit and senses the receipt of the information output from the information storing unit. The starting of an engine(18) and the operation of a door lock device(19) are controlled by the output from the control unit. A method comprises the steps of repeating a predetermined information during a predetermined time; transmitting the repeated information through a radio communication system; determining whether the information transmitted through the radio communication system is received; and operating the lock device of automobile in accordance with the determination result.
Patent KR-20010011770-A (KR)
Inventor: BAEK GI HO
IPC: G02B1/111
Filed: 1999-07-30
Abstract: PURPOSE: The titled polymer prepared by introducing an epoxy group having high absorptivity to enhance absorptivity to a specified wavelength of 193nm and an epoxy group to generate crosslinking reaction during hard baking is provided, which can effectively prevent reflection on a lower film layer on a wafer in the process for forming a hyperfine pattern using an ArF light source mainly in the manufacture of semiconductors. CONSTITUTION: The anti-reflective polymer of formula 1 having a molecular weight of 2,000 to 50,000 is prepared by a process consisting of dissolving one or more monomers selected from a compound 9 and a compound 10 in a solvent; adding a polymerization initiator to the resultant; and polymerizing the resultant in a nitrogen or argon atmosphere. The polymer is selected from poly(glycidyl methacrylate/α-methylstyrene), poly(glycidyl acrylate/acryloyl bis(-4-hydroxyphenyl)ethane); poly(glycidyl methacrylate/glycidylmethylstyrene), poly(glycidyl methylstyrene), poly(styrene/glycidyl methylstyrene), poly(glycidyl methacrylate/vinylanisol) and poly(glycidyl methacrylate/vinylbenzoate).
Patent KR-19990083810-A (KR)
Title: 요동운동 유량계장치의 작동저항 극소화와 방폭구조 및 유체의위상차이 만을 이용한 계량방법
Filed: 1999-08-11
Abstract: 본 발명은 유체 또는 기체의 흐름 양을 기계적 운동 원리로 계량하는 요동(WAVE)운동 유량계(FLOW METER)에서,  요동로터(WAVE ROTOR)가 압력과 유속의 급변화시에도 기울어진 요동 각을 일정하게 유지하고 또한 요동 정지점인 중심의 미세한 위치변화를 방지하여 미세하고 정교한 요동운동과 안전확보 및 유체의 자중(自重)만에 의한 자유낙하 유동방식을 이용한 유량계측방법에 관한 것이다. 
     이를 위하여 본 발명은 비행접시형상의 로터가 일정각 기울어져서 회전이 아닌 일정각 기울어진 상태로 원추 요동할 때 요동로터의 상부를 무겁게 가분수 형상으로 하며 중심부분에 보다 넓은 기체공간을 확보하는 구조로 구성,  내접 각을 지지하는 고정 축과 요동로터의 선회운동축 사이에 요동경사각을 동일하게 설치한 구조로 구성, 요동운동은 각도운동이므로 그 중심점은 정지점이 되는데 이를 고정 축으로 하고, 요동로터의 운동부가 정지점에서 상부 쪽으로 동일방향과 각도에 내접원과 외접원을 요동체의 운동면으로 형성되는 요동베어링 구조로 구성, 기계적 구성품인 몸체와 전기적 신호로 전달하는 엔코더(ENCODER)가 있는 신호발생부를 일체형으로 밀폐시켜 하나로 구성하여 방폭(防爆) 처리하는 구조로 구성,  상기와 같이 구성할 경우 원활한 작동과 마찰 및 요동저항의 극소화로 유동체의 유동조건에 따라 약간의 기술성만 부합시키면 어떤 난이한 유동조건에도 고도의 정밀성과 안전성을 확보할 수 있고 또한 용적식 유량계를 이용한 새로운 자유낙하 유동방식에 의한 유량계측이 되므로 기존 응용범위의 한계를 넘어 다양한 분야에 활용할 수 있다.
Patent KR-20010017898-A (KR)
Inventor: JANG HYEON GI
IPC: G21G4/00
Filed: 1999-08-16
Abstract: PURPOSE: A solid material equivalent to water is provided to manufacture a standard line source without using an antiseptic which is not deformed in drying or easily broken with sufficient strength. CONSTITUTION: An epoxy resin, a diluent, a hardening agent and an accelerant are mixed in a suitable ratio into a standard isotope solution. The epoxy resin is a main constituent for being mixed into the standard isotope solution to maintain a desired shape and a uniform mixing shape. The diluent dilutes the epoxy resin to be easily mixed with the standard isotope solution. The hardening agent cures the mixture of the standard isotope solution and the epoxy resin with a strength suitable to be used. The accelerant promotes the hardening function of the hardening agent to cure the mixture within a shorter time after the standard isotope solution and the epoxy resin are uniformly mixed.
Patent KR-20010018042-A (KR)
Inventor: LEE TAE GEUN
IPC: H01J9/227
Filed: 1999-08-17
Abstract: PURPOSE: A method for forming a graphite layer of a color cathode-ray tube is provided to remove afterimages of passing holes in an intermediate surface by using two layers of graphite as a black matrix. CONSTITUTION: An inner surface of a panel glass(1) is washed and photo-resist(30) is evenly coated thereon. By using a tension mask(5) including an intermediate surface with passing holes, the photo-resist(30) is exposed by light and developed by water. Then, a predetermined pattern of the photo-resist(30) is obtained on the panel(1). The first graphite film(31) is formed by coating graphite on the patterned photo-resist(30) and by etching the resultant structure. The second graphite film(32) is formed on the region of an inefficient surface in the panel by coating graphite on an entire surface of the resultant structure. Thereby, the uneven surface of the first graphite film(31) due to the passing holes of the intermediate surface can be filled with the second graphite film(32).