baber/WOPTO huggingface dataset:
Patent KR-20000001615-A (KR)
Title: Method for manufacturing a field emitter array
Inventor: CHOE JUN HUI
IPC: H01J1/30
Filed: 1998-06-12
Abstract: PURPOSE: A fabrication method of FED(field emitter arrays) having a micro-tip is provided to improve a denseness of electric field and prevent a thermal stress by forming multi micro-tips. CONSTITUTION: The FED fabrication method comprises the steps of: depositing a metal film(28) on a top portion of tips(13) by E-beam deposition while rotating a substrate(21); forming a second tip(29) surrounding the tip(23) by E-beam deposition while rotating the substrate; removing remained metal layer(27) and remained film(29a) of the second tip(29) by etching; and forming a tip(23) having multi micro-tips by etching the second tip.
Patent KR-19990007236-A (KR)
Title: 탁산형 디테르펜의 제조방법
IPC: C12N5/04
Filed: 1998-06-23
Abstract: 본 발명은, 탁산형 디테르펜생산식물의 세포를 배양하여 탁산형 디테르펜을 생산함에 있어서, 생산에 적합한 사이즈 범위의 세포괴의 비율을 증가시키기 위한 이하의 공정: 
     (a) 탁산형 디테르펜의 생산을 목적으로 한 배양에 제공하기 위한 전배양중, 전배양으로부터 다음의 전배양으로의 세포이식시의 어느 때에, 체 및/또는 필터를 사용하여 세포군으로부터 대세포괴를 제거하는 조작을 적어도 1 회 실시하는 공정; 
     (b) 상기 배양세포를 강교반조건 하에서 배양하는 공정; 
     의 어느 한 공정, 또는 양 공정을 포함하는 것을 특징으로 하는, 탁산형 디테르펜의 제조방법이다. 
     본 발명은 또한, 탁산형 디테르펜 생산식물의 세포를 배양함에 있어서, 상기 배양세포를 윤택한 산소공급조건하에서 전배양하고, 얻어진 세포를 탁산형 디테르펜의 생산을 목적으로 한 본배양에 제공하고, 배양후 얻어진 배양물로부터 탁산형 디테르펜을 회수하는 것을 특징으로 하는 탁산형 디테르펜의 제조방법이다. 
     본 발명에 의하면, 탁산형 디테르펜 생산식물의 세포배양에 있어서, 탁산형 디테르펜의 생산성을 향상시킬 수 있게 된다.
Patent KR-20000002890-A (KR)
Title: Spinning packing device of thermoplastic synthetic textile fiber
Inventor: SOHN YANG GOOK
IPC: D01D4/02
Filed: 1998-06-24
Abstract: PURPOSE: A spinning packing device of the thermoplastic synthetic textile fiber is provided to improve the uniformity, to decrease the mho and to improve the silk reeling. CONSTITUTION: The spinning packing device of the thermoplastic synthetic textile fiber comprises: forming a venting slot part(11) of a spinneret(9) dug into the inner area; sealing up the contacting face by using a gasket(8) to prevent the outflow of the polymer generated by the pack pressure when attaching the spinneret(9) to a pack body(7); and equally controlling the torque between bolts(12) as contacting.
Patent KR-19990007366-A (KR)
Title: 플라즈마 활성화된 증발 공정에 의한 이산화 규소의 침착
IPC: C23C16/42
Filed: 1998-06-26
Abstract: 본 발명은 플라즈마 활성화된 반응성 침착 방법을 사용하여 여러 기재 위에 산화 규소 내긁힘성 피막을 침착시키는 방법에 관한 것이다.  상기 방법은 규소 또는 산화 규소를 피복할 기재로 향해진 아르곤 및 아산화 질소 플라즈마내로 증발시키는 단계를 포함한다.
Patent KR-20000003792-A (KR)
Title: Multi-controlling method for recognizing key signal in television receiver
Inventor: KIM GWANG CHEOL
IPC: H04N5/445
Filed: 1998-06-29
Abstract: PURPOSE: A multi-controlling method is provided to recognize only a key signal corresponding to a selected television receiver among plural television receivers adjacent to each other. CONSTITUTION: The method comprises the steps of: displaying a preset inherent number when a code key signal is input from a remote controller, and waiting an input of a new inherent number; displaying a key input being possible when the new inherent number is the same with the preset inherent number and converting to a key input waiting state; displaying a key input being impossible when the new inherent number is not the same with the preset inherent number and converting to a state incapable of recognizing a key input. When the code key signal is once more input in each of the key input waiting state and the key input not recognizing state, the present operation mode is converted into the normal mode.
Patent KR-20000004513-A (KR)
Title: Mark pattern for lithography and method for forming same
Inventor: KWON GI SEONG
IPC: H01L21/302
Filed: 1998-06-30
Abstract: PURPOSE: A mark pattern for lithography is provided to increase a contact area between an inner box and a lower layer so that the inner box can be prevented from being detached. CONSTITUTION: A color pattern, or a predetermined pattern such as a contact hole pattern is formed on a lower layer(100 ), and an inner box(110 ) is deposited on a lower layer(100 ), so that a contact area between a lower layer(100 ) and an inner box(110 ) can be increased, thereby preventing an inner box(110 ) from being detached.
Patent KR-20000009448-A (KR)
Title: Replacement time alarming device of air cleaner element
Inventor: O HEUNG ROK
IPC: F02M35/024
Filed: 1998-07-24
Abstract: PURPOSE: An air cleaner element replacement time alarming device is provided to reduce the inhaling resistance of the air flowed in through a cleaner, and to improve the efficiency by restraining the produce of concentrated mixed air. CONSTITUTION: An air cleaner element(12) replacement time alarm device is composed of:a supersonic sensor(14) installed adjacent to both sides of the air cleaner element to sense the level of pollution of the air cleaner element; an object sensing circuit to convert the frequencies generated from the supersonic sensor into pulses; and a controller to compare the number of pulses detected by inputting the pulses from the object sensing circuit with the predetermined number of standard pulses and then to supply output controlling signal to an alarm part if the detected result is lower than the predetermined standard number of pulses.
Patent KR-20000010020-A (KR)
Title: Apparatus for transferring peculiar code of originating subscriber
Inventor: KIM YONG SUNG
IPC: H04L12/58
Filed: 1998-07-29
Abstract: PURPOSE: An apparatus is provided to automatically transfer a peculiar code showing a location and identity of an originating subscriber to a head office. CONSTITUTION: An interface(10) controls a connection between a telephone office line and a telephone(50). A controller(30) connected to the interface transfers a peculiar code showing a location and identity of an originating subscriber to a head office. A memory(20) connected to the controller stores the peculiar code showing a location and identity of the subscriber and the control program. A number originating key(40) automatically dials the telephone number of the head office stored in the memory beforehand. Therefore, when the head office transmits/receives data to/from a plurality of subscribers through telephone lines, the management of branch offices is facilitated by automatically receiving the peculiar code about a location and identity of the subscriber.
Patent KR-20000013284-A (KR)
Title: No charge information and charge information broadcasting service method of mobile communication system of code division multi-access method
Inventor: KIM JEONG SIK
IPC: H04M3/00
Filed: 1998-08-06
Abstract: PURPOSE: A method is provided to provide charge broadcasting service and no charge broadcasting service by an efficient channel assignment of a communication system using CDMA method. CONSTITUTION: The no charge information broadcasting service includes two steps. A first step is that a base station transmits a no charge information channel to a large number of mobile station through a call channel, the base station broadcasts a no charge information to the large number of mobile station through the no charge information channel. A second step is that the a designated mobile station demodulates the call channel which is received the base station and detects an information of the no charge information channel, and according to the information of the no charge information channel, demodulates the no charge information channel which is broadcasted, and receives the no charge information. A charge information broadcasting service includes five steps. A first step is to demodulate the call channel received from the base station and detect a kind of the charge information channel. A second step is to transmit the charge information and own identification code to the base station and require the charge information service. A third step is to transmit an information of the charge information channel to the mobile station. A fourth step is to transmit a response signal confirming a service requirement to the base station. A fifth step is to transmit the charge information to the mobile station and provide the charge information.
Patent KR-19990023555-A (KR)
Title: 세정액
IPC: C11D11/00
Filed: 1998-08-12
Abstract: 금속을 부식하지 않고, 기판표면의 금속불순물을 용이하게 제거할 수 있는 세정액으로서, 환경에의 부하, 보존성 등에 문제가 없는 금속배선이 실시된 후의 기판을 세정하는 세정액을 제공한다. 
     옥살산, 옥살산 암모늄, 폴리아미노카르복실산류 가운데 적어도 하나를 포함하는 것을 특징으로 하는 금속배선이 실시된 후의 기판을 세정하는 세정액.
Patent KR-19990029862-A (KR)
Title: 반사방지재료, 그 제조방법 및 편광 필름
IPC: C08J7/044
Filed: 1998-09-16
Abstract: 본 발명은 뛰어난 반사방지성을 발휘하여, 화상 콘트라스트를 저하시키지 않고 반짝임(glitter)이 없는 선명한 화상을 얻을 수 있음과 동시에, 광학적으로 안정한 뛰어난 내마모성, 내약품성을 나타내며, 또한, 뛰어난 내오염성을 나타내는 반사방지재료 및 편광필름을 제공한다. 본 발명의 반사방지재료는 투명기체 및 상기 투명기체(11)의 한 면 또는 양면에 직접 또는 다른 층을 통해 형성된 조면화층(surface-roughened layer; 12)으로 이루어지고, 상기 조면화층(12)은 적어도 에폭시 화합물과 광 양이온성 중합개시제를 함유하는 자외선 경화형 수지를 함유한다.
Patent KR-20000020800-A (KR)
Title: Artificial derm using neutralized chitosan sponge or neutralized chitosan/collagen sponge
Inventor: SOHN YOUNG SOOK
IPC: A61L27/60
Filed: 1998-09-24
Abstract: PURPOSE: An artificial derma and an artificial bioderma are provided, which use a neutralized chitosan sponge or a neutralized chitosan/collagen sponge, have a good bio compatibility and the improved rigidity, and are biodegradable and cheap. CONSTITUTION: The artificial derma comprises a neutralized chitosan sponge or a neutralized chitosan/collagen sponge; and optionally the one selected from fibronectin, basic fibroblast growth factor, epidermal growth factor, transforming growth factor beta and their mixture. The neutralized chitosan sponge is prepared by neutralizing a chitosan solution with an alkali solution and lyophilizing it. The neutralized chitosan/collagen sponge is prepared by neutralizing a chitosan solution with an alkali solution, neutralizing a collagen solution with an alkali solution, mixing the two solutions, and lyophilizing it. The artificial bioderma is prepared by loading human fibroblast to the artificial derma.
Patent KR-20000024896-A (KR)
Title: Bake pin of spin part of developing device
Inventor: KANG IN GU
IPC: H01L21/027
Filed: 1998-10-02
Abstract: PURPOSE: A bake pin of spin part is provided to display a division of scale on a body of a bake pin of a spin part, and easily adjusts an installation height of a bake ping without additional device. CONSTITUTION: A bake pin(2) of a spin part of a developing device has a division of scale on its body. The division of a scale is displayed at an interval of 1mm. Although the bake pin(2) is newly installed to a bake plate(1), the height of the bake pin can be adjusted with its self-division of scale, so that the bake pin(2) can be easily installed. Thereby, the bake pin of spin part is provided to display a division of scale on a body of a bake pin of a spin part, and easily adjusts an installation height of a bake ping without additional device.
Patent KR-19990037116-A (KR)
Title: 분배 장치
IPC: B65B5/10
Filed: 1998-10-15
Abstract: 본 발명은 포장용기를 위한 운반수단, 그 안에 수납된 각각의 시트 백 그룹이 수송되어 포장용기에서 부분 내용물을 형성하게 될 수납실을 구비하는 순환 수송수단, 일부분 내용물에 상응하는 백이 포장용기로 동시에 각각 방출되는 적어도 두 개의 방출 스테이션을 구비하는 포장용기 내의 백을 위한 포장장치 및 상응하는 방법에 관한 것이다. 본 발명에 따르면, 운반수단은 적어도 두 개의 포장용기를 나란히 수송할 수 있고 적어도 두 개의 방출 스테이션이 각각 나란하게 배열된 일직선 방출구역을 가진 방출 스테이션 영역에 무한 수송수단이 제공된다.
Patent KR-20000026477-A (KR)
Title: Voltage detector with low power consumption
Inventor: JEONG KWANG JAE
IPC: G01R25/00
Filed: 1998-10-20
Abstract: PURPOSE: A voltage detector with low power consumption is provided to consume a low power by preventing a power consumption in a voltage less than a necessary providing voltage. CONSTITUTION: A reference voltage generating unit(100) generates a reference voltage(Vref) using a power supply voltage(VDD) provided through a low power voltage preventing unit(500). A dividing voltage unit(200) divides the power supply voltage(VDD) through the low power voltage preventing unit(500) and generates a divided voltage(Vdiv). A comparing unit(300) compares a reference voltage(Vref) with the divided voltage(Vdiv) and outputs a comparing voltage(Vcom). An output buffer unit(400) buffers the comparing voltage(Vcom) and outputs an output signal(OUT) indicated as to whether the power supply voltage(VDD) is less than the reference voltage. The low power voltage preventing unit(500) restrains the providing of the power supply voltage(VDD) when the power supply voltage(VDD) is less than a certain voltage.
Patent KR-20000026937-A (KR)
Title: Radio port of 2fa/omni-type wireless local loop system
Inventor: KIM JAE WAN
IPC: H04B7/26
Filed: 1998-10-24
Abstract: PURPOSE: An RP(Radio Port) of a 2FA(Frequency Assignment)omni-type WLL(Wireless Local Loop) system, to which two frequency with the omni structure is assigned, in a Korean-type WLL system is provided to design the RP of the 2FA/omni type WLL system according to a WLL standard size, to operate frequency reuse as subscribers increasing, and to easily give services by the WLL system. CONSTITUTION: An RP(Radio Port) of a 2FA(Frequency Assignment)/omni-type WLL(Wireless Local Loop) system to which two frequency with the omni structure is assigned, amplifies an RF signal related to traffic data, assigned to the two frequency from an RIU(Radio Interface Unit) in a low noise, converts into an IF(Intermediate Frequency) signal. The RP converts the converted IF signal into a baseband signal, demodulates in CDMA(Cord Division Multiple Access) to the traffic data, and transmits the IF signal to an RPC(Radio Port Controller) as an E1 signal by an E1 interface through a corresponding path. The RP receives the traffic data inputted from the RPC by the E1 interface, modulates in the CDMA the received traffic data to the baseband signal, converts the modulated baseband signal to the IF signal, and converts into the RF signal. The RP amplifies the converted RF signal in high power, and transmits to the RIU by emitting the amplified RF signal to outside through a transmission antenna.
Patent KR-20000027951-A (KR)
Title: Filling material of open trench for protecting propagation of ground vibration using composite materials consisted of soft and hard materials
Inventor: KIM DU HUN
IPC: E02D31/08
Filed: 1998-10-30
Abstract: PURPOSE: A filling material of an open trench is provided to protecting a propagation delivered from a vibration source on a ground channel. CONSTITUTION: A filling material of an open trench is produced by combining a concrete block(5) as a hard material with a soft material(4) by using a polyurethane degenerated epoxy resin adhesive. Herein, the soft material is made by compressing foaming rubber, foaming urethane, EPS, cork powder, and rubber powder. The concrete block contains a shape for conveniently assembling and maintaining shape and size and for preventing damage by the soil pressure of the soft material in the situation of increasing the depth of the open trench to intercept a ground vibration in a radio wave channel. Therefore, the open trench remarkably reduces human resources and cost used for maintaining and repairing compared to an existing wall for preventing the propagation of ground vibration.
Patent KR-19990044922-A (KR)
Title: 기체 염화수소로부터 수분을 제거하기 위한 흡착제 및 방법
IPC: C01B7/07
Filed: 1998-10-30
Abstract: 본 발명은 기체 HCl로부터 물을 제거하기 위한 흡착제 및 방법에 관한 것이다.  진공중 150℃(302℉)∼300℃(572℉)의 온도로 가열하여 활성화시킨 활성탄 및 실리카겔 기재상에 지지된 MgCl 2 는 0.5 Torr 미만의 분압에서 물을 제거한다.  질소하에 270℃(518℉)∼400℃(752℉)의 온도에서 흡착제를 가열하여 흡착제상에 지지된 MgCl 2 를 활성화시킬 수도 있다.
Patent KR-19990044931-A (KR)
Title: 저수두 노심내 계기를 갖는 발전소에 대한 원자로 공동부 범람개념
IPC: G21C15/18
Filed: 1998-10-30
Abstract: 원자로 공동부와, ICI(in-core-instrument; 노심내 계기) 수직 통로(chase)와, 원자로 용기의 하단부에 연결되고 ICI 수직 통로를 통해 확장되는 ICI 튜브, 및 원자로 공동부와 ICI 수직 통로 사이에 장착된 장벽을 포함한, 원자로 용기 공동부에 범람시키기 위한 방법 및 원자로 용기에 사용하는 범람방식 시스템(flooding system)이 제공되며, 상기 장벽은 각 ICI 튜브가 장벽 플레이트를 통해 지나가도록 허용하고 ICI 튜브를 지지하면서, 각 ICI 튜브를 위한 개구부 및 각 개구부 내에 위치한 밀접하게 끼워맞춤된(close fitting) 구형 베어링을 사용하여 누수(漏水)를 최소화시킨다.  주요 공급원으로부터 원자로 공동부로 물을 보내는 물 공급기 및 재순환기와 함께, 냉각된 에어가 원자로 공동부로 지나가게 하는 장벽 수단으로부터 멀리 떨어진 위치에 냉각기를 제공한다.
Patent KR-20000031690-A (KR)
Title: Process for the preparation of polyamide reverse osmosis film
Inventor: KU JA YOUNG
IPC: B01D71/56
Filed: 1998-11-09
Abstract: PURPOSE: A reverse osmosis film having high flow rate and a good rejection ratio is prepared by interfacial polymerization using multi-functional tertiary amine reactant. CONSTITUTION: Multi-functional aqueous amine solution containing 0.1-12 weight % of amine salt compound obtained from the reaction of strong acid and multi-functional amine and organic solution containing multi-functional amine reactant selected from acid-halogen compound, sulfon-halogen compound or isocyanate are interfacial polymerized on the porous support layer to give the polyimide reverse osmosis film. Thus, 140 micrometer thickness of polysulfone fine porous material is impregnated in aqueous solution containing 2 weight % of meta-phenylene diamine, 1 weight % of 1,4-diazabicyclo£2,2,2|octane and 0.85 % of methane sulfonic acid for 40 seconds, and impregnated in 0.1 weight % of trimezoyl chloride solution for 1 minute to give the composite film.
Patent KR-20000032023-A (KR)
Title: System for preventing variation of focus within exposure equipment
Inventor: PARK SOON JONG
IPC: G03F7/20
Filed: 1998-11-12
Abstract: PURPOSE: A system is provided to prevent variation of focus and exposure time within an exposure equipment, so that the exposure performance is improved. CONSTITUTION: In an exposure equipment, a shutter(ST) is driven by a servo motor(M) so that a lattice pattern is transferred to a wafer by lamp light via a lens system. Here, a system for preventing variation of focus in the exposure equipment comprises a circuit(20), which outputs a shutter drive signal for exposure of the shutter(ST) with a set time interval, in a process waiting state when the wafer is not loaded into a wafer stage. Thereby, the focus variation can be prevented in a process waiting state due to process interruption, so that the exposure performance can be improved.
Patent KR-19990045311-A (KR)
Title: N,n-디알킬 우레아에 의해 표면 장력을 감소시키는 방법
IPC: A01N25/30
Filed: 1998-11-16
Abstract: 본 발명은 하기 화학식의 특정한 N,N-디알킬 우레아를 표면 장력 감소에 유효한 분량으로 혼입하므로써 평형 상태의 표면 장력 및 동적 상태의 표면 장력을 감소시키는 것으로 입증된 수성 조성물, 특히 피복 조성물, 잉크 조성물 및 농업용 조성물을 제공한다. 
     
       
         
       
     
     (상기 식 중, R 1 및 R 2 은 각각 C1∼C6 알킬 또는 시클로알킬인데, R 1 과 R 2 의 총 탄소 원자수는 6 내지 12임).
Patent KR-20000033477-A (KR)
Title: Power backup apparatus of relay in mobile communication system
Inventor: SON DAE HEON
IPC: H04B1/59
Filed: 1998-11-24
Abstract: PURPOSE: A power backup apparatus of a relay in the mobile communication system is provided to maintain the stable supply of driving power, by generating driving power using solar power and wind-force and by comparing the generation powers of two power generation sources. CONSTITUTION: A condensing plate(10) consists of solar cells emitting internal electrons. A solar battery(11) accumulates the electrons emitted from internal solar cells. A fan(20) is operated by the circulatory wind of the atmosphere generated from the earth surface. A generation means(21) generates electricities corresponding to the rotation force of the fan(20). A storage battery(22) stores electricities generated from the generation means(21). A comparator(30) compares voltages generated by electricities stored in the solar battery and the storage battery(22). A relay(40) proceeds functions such as call connection, hand-off, etc.
Patent KR-20000033489-A (KR)
Title: Device and method for adjusting side mirror during travel
Inventor: O JAE GEUN
IPC: B60R1/06
Filed: 1998-11-24
Abstract: PURPOSE: A device and a method are provided to release the fixer of a side mirror at 300m before an intersection for removing a dead angle zone generated whenever right-turn and left-turn, and to keep the side mirror in an advancing direction along the rotation angle of a gyro-sensor as soon as the vehicle advances into the intersection. CONSTITUTION: A CPU feeds a signal to a mirror controller(60) at 300m before an intersection in order to release the fixer of a side mirror(70). The CPU decides if a vehicle advances into the intersection and if so, a gyro-sensor(20) senses the rotation angle of the vehicle and feeds the signal to the mirror controller. The mirror controller regularly changes the direction of the side mirror along the rotation angle and then the CPU decides if the vehicle passes through the intersection. If so, a navigation system receives the passing signal and returns the side mirror back.
Patent KR-19990062856-A (KR)
Title: 액정구동회로 및 액정표시장치
IPC: G02F1/133
Filed: 1998-12-07
Abstract: 액정패널의 표시계조를 조정할 수 있는 액정표시장치 및 그 액정구동회로에 관한 것으로서, 입력되는 표시데이타의 값에 대한 표시휘도나 색의 변화특성을 조절할 수 있는 액정구동회로 및 액정표시장치를 제공하기 위해서, 1라인기간의 입력표시데이타(84)를 래치어드레스 제어회로(10)이 출력하는 래치신호(91)에 의해 래치회로1(20)으로 페치하고, 라인클럭(83)의 타이밍에서 래치회로1 데이타(92)를 래치회로2(30)으로 페치하고, 래치회로(2) 데이타(93)을 디코드회로(40)에 입력하고, 설정레지스터 설정클럭(87)에 의해 설정레지스터 설정데이타(86)을 설정한 설정레지스터(70)이 출력하는 설정데이타(88)에 따라서 참조전압(85)를 기본으로 생성한 계조전압(89)에서 디코드회로(40)에서 각 화소마다의 데이타에 따른 계조전압(89)를 선택해서 선택전압(94)를 출력하고, 앰프회로(50)에 의해 선택전압(94)를 버퍼링하여 액정인가전압(95)를 출력하는 구성으로 하였다. 
     이것에 의해, 액정표시장치에 적용해서 사용자의 취향이나 표시화상의 종류(자연화상, 컴퓨터그래픽, 텍스트 등), 디바이스고유의 특성 등에 대응해서 계조표시특성을 변경할 수 있다는 효과가 얻어진다.
Patent KR-20000039332-A (KR)
Title: Apparatus for controlling an elevator
Inventor: KANG SEOK JU
IPC: B66B5/02
Filed: 1998-12-12
Abstract: PURPOSE: An apparatus for controlling an elevator is provided to reduce the manufacturing cost of the elevator by controlling a synchronized motor through a converter. CONSTITUTION: A condenser(203) flattens the output voltage of a converter(202). An inverter(204) converts the DC voltage which is outputted from the condenser(203) to an AC voltage. A synchronized motor(205) generates a counter electromotive force. A current detector(206) detects the current which is supplied from the inverter(204) to the synchronized motor(205). A velocity and position detector(207) detects the position of a car(210). The apparatus comprises a brake(209), a detector(212), a controller(213), an inverter controlling section(214), and a gate driving section(215).
Patent KR-20000039734-A (KR)
Title: Cathode for color cathode ray tube and method for manufacturing thereof
Inventor: LEE JAE SEON
IPC: H01J9/04
Filed: 1998-12-15
Abstract: PURPOSE: A cathode for a color cathode ray tube is provided to enhance the screen uniformity with an excellent resolution by selecting a gas ratio and pressure in a certain range on sputtering. CONSTITUTION: An electronic radiation material layer is composed of BaO, SrO, and CaO in a ratio of 56-62: 34-44: 1-10wt%, respectively, on the upper side of a gas metal. One or more compositions of Mg, Si, Zr, Th, Y, Sc, Ce, Fe, Al, Cr, Mo, and W is added. The added compositions is 0.5-5 wt%. A thickness of the electronic radiation material layer is between 5.000-50.000 angstroms. The gas metal contains iota reductive elements together with Ni as a principal element to thereby enhance the screen uniformity with an excellent resolution.
Patent KR-19990081809-A (KR)
Title: 신축성 붐_
IPC: B66F11/04
Filed: 1998-12-17
Abstract: 본 발명은 신축성 붐(9)이 기단붐(9a), 중간붐(9b) 및 선단붐(9c)을 크기 순으로 조립하여 구성된다. 실린더 로드(21b)의 선단부가 기단붐(9a)의 기단부에 고착되고, 실린더 튜브(21a)가 고착된 신축성 실린더(21)가 중간붐(9b) 내에 설치된다. 실린더 튜브(21a)의 신축성 실린더(9)의 기단 측에 수축용 활차(25)가 설치되고, 신장용 활차(31)가 실린더 튜브(21a)에 있어서의 신축성 실린더(9)의 선단 측에 설치되고, 한 쪽 단부가 기단붐(9a)의 기단부에 고착되고 다른 쪽 단부가 수축용 활차(25)와 신장용 활차(31) 사이에 배치되는 가이드 파이프(35)가 설치된다. 가이드 파이프(35)의 선단부에 한 쪽 단부가 고착되고, 신축성 붐(9)의 선단방향으로 연장하여 실린더 튜브(21a)의 단부주변에서 반전하여 실린더 튜브(21a)를 경계로 가이드 파이프(35)에 서로 대향하는 위치로 연장하고 다른 쪽 단부가 선단붐(9c)의 기단부에 접속되는 보호관(47)이 설치된다. 보호관(47) 내에는 호스(45) 등이 통과한다.