baber/WOPTO huggingface dataset:
Patent KR-20000020070-A (KR)
Title: Ion injection apparatus for manufacturing semiconductor device
Inventor: KIM MIN SEOK
IPC: H01L21/265
Filed: 1998-09-17
Abstract: PURPOSE: An ion injection apparatus for manufacturing a semiconductor device is provided to minimize the time loss caused by vacuum leakage of a track lock valve and a platen by easily confirming the vacuum leakage during ion injection process using the ion injection apparatus. CONSTITUTION: An ion injection apparatus for manufacturing a semiconductor device having a track lock valve(10) and a platen(12) for holding a wafer by using vacuum during the ion injection process, comprises a tester(14) for testing whether the vacuum of the track lock valve and the platen leaks. Also, the ion injection apparatus can detect where the vacuum leaks by using the tester(14) during a periodic vacuum recovery.
Patent KR-20000020659-A (KR)
Title: Method for calculating probability of service impossibility in cellular phone system
Inventor: LIM YONG SIK
IPC: H04B7/26
Filed: 1998-09-23
Abstract: PURPOSE: A method for calculating the probability of service impossibility is provided to reduce errors, generated in radio environments. CONSTITUTION: A mobile receiver and a transmitter which is fixed on a temporary area and provides a mobile communication service to the receiver, measure the substantial path loss value on a temporary measuring location. The mobile receiver and the transmitter calculate the path loss on the location, and decide a spot that minimizes an average square error between the substantial path loss and the calculated path loss on various locations, by using the substantial path loss and the calculated path loss. The mobile receiver and the transmitter decides a slanting degree of the path loss and a standard deviation of the path loss, before a break point, and decides a slanting degree of the path loss and a standard deviation of the path loss, after a break point. The mobile receiver and the transmitter calculates the probability of the service impossibility before the break point and the probability of the service impossibility after the break point, by using the decided break point and a radio characteristic pa RAMeter.
Patent KR-20000021898-A (KR)
Title: Apparatus for detecting bromate and water processing system using the same
Inventor: KANG JUN WON
IPC: C02F1/78
Filed: 1998-09-30
Abstract: PURPOSE: A water processing system is provided to perform microanalysis, and consecutively measure, observe, and control bromate, by using a detection apparatus of the bromate. CONSTITUTION: The bromate detector comprises: a selective inflow device for selectively flowing sample water, and a mixed reagent of chloropromazine/hydrochloric acid into a mixer; the mixer for mixing the mixed reagent, distilled water, or the sample water; an absorbance analyzer for detecting bromate in mixed solution, supplied through the mixer; and a controller for controlling the selective inflow device. The absorbance analyzer includes a detector for detecting analysis spectrum luminary of visible rays.
Patent KR-20000026929-A (KR)
Title: Metal bow of glasses
Inventor: KONG BYONG SEOK
IPC: G02C5/14
Filed: 1998-10-20
Abstract: PURPOSE: A metal bow of glasses is provided to have a hollow part by compression forming a metal pipe material and to be fixed by inserting a hinge connecting piece in the blow part of a folding of the metal bow. CONSTITUTION: A spectacles reel fixing flap(27) and a spectacles leg connecting flap(21) are fixed by a hinge. One side of a connecting arm(25) inserted into a guide hole(24) of a combining portion(23) is connected to an axis pin(21). Other side of the connecting arm(25) is supported by a spring(26). The connecting arm(25) inserts the combining portion(23) into a hollow portion(11) of a spectacles leg(10). A metal pipe material(S) is pressed and processed and then the spectacles leg(10) is shaped.
Patent KR-19990062543-A (KR)
Title: 게이트 도체 스택 형성에서 텅스텐 실리사이드 층을 플라즈마식각하는 방법
IPC: H01L21/28
Filed: 1998-10-30
Abstract: 본 발명은 게이트 도체 스택 형성 공정에서 텅스텐 실리사이드 층을 Si 3 N 4 마스킹하여 아래에 놓인 도핑된 폴리실리콘 층에 닿을 때까지 플라즈마 식각하는 방법을 개시한다.  본 방법은 플라즈마 식각 장치 및 Cl 2 , HCl 및 O 2 를 포함하는 식각 혼합물에서 실시되며, 여기서 Cl 2 /HCl 비율은 약 4.7이며 산소 유동량은 20 내지 30 sccm 사이에서 변동되며, 그 중에서도 25 sccm이 가장 적당한 값이다.  이러한 혼합물을 사용하여 아래에 놓인 도핑된 폴리실리콘 층을 약간 과도하게 식각하는 것이 권장된다.  본 발명의 식각 방법은 상부 Si 3 N 4 마스킹 층의 두께를 보존하고 이것을 결함 없이 유지하며, 이것은 게이트 도체 스택 형성 공정의 나머지 단계를 성공적으로 완성하기 위해 필요한 필수 요소이다.
Patent KR-20000031243-A (KR)
Title: Method for preparation of safety helmet with hybrid complex material and safety helmet thereof
Inventor: YUN JAE RYUN
IPC: A42C2/00
Filed: 1998-11-04
Abstract: PURPOSE: A method of preparing a safety helmet is provided to lighten a safety helmet, to improve the impact strength and to simplify the process of producing the safety helmet. CONSTITUTION: A safety helmet is prepared by the steps of: molding a head-shaped liner(21) by employing a thermoplastic resin; laminating at least two layers of a hybrid complex material(22) constituted by laminating complex materials(221,222) for reinforcing a fiber and a highly elastic fiber on the liner; and positioning the liner where the hybrid complex material is laminated in a metal mold consisting of plural metal mold units to be separated from each other and contacting an additional metal pad to the liner. The produced safety helmet is thin and light as well as improved in impact strength.
Patent KR-20000032655-A (KR)
Title: Magnetic recorder
Inventor: LEE KYONG SOO
IPC: G11B5/706
Filed: 1998-11-17
Abstract: PURPOSE: A magnetic recorder is provided to realize excellent recording of voice and usage signals and superior durability by coating a magnetic coating material on a non-magnetic supporting body. CONSTITUTION: A magnetic coating material is prepared by blending 70-90% of a ferromagnetic powder having a specific surface area over 32m2/g and 5-30% of a ferromagnetic powder having a specific surface area below 27m2/g.
Patent KR-19990045342-A (KR)
Title: 개선된 오버레이 정밀도의 믹스 앤드 매치 노광을 통한패턴 이미지 전사 방법
IPC: H01L21/027
Filed: 1998-11-17
Abstract: 주사 축소 투사 얼라이너는 스테핑 축소 투사 얼라이너의 이미지 필드 (FD1/FD2) 보다 두 배 넓은 이미지 필드 (FD3) 를 갖고, 다수의 제 1 잠상들 및 다수의 제 2 잠상들이 스테핑 축소 투사 얼라이너 및 주사 축소 투사 얼라이너를 이용한 반도체 장치 제조 공정의 상이한 단계에서 반도체 웨이퍼를 도포하는 제 1 포토레지스트층 및 제 2 포토레지스트층 내에 각각 형성되며,  제 1 잠상들이 제 1 포토레지스트층 내에 형성될 때, 제 1 포토레지스트층의 좁은 영역은 반도체 웨이퍼 상에서 패턴 전사시에 한 번 걸러 한 번씩 얼라인먼트 마크를 이용하여 레티클과 정렬되어서, 각 제 2 잠상이 반도체 웨이퍼 상에 가상적으로 결정된 직교 좌표계의 부정확한 직교도에도 불구하고 제 1 잠상의 쌍들 중 하나와 정확하게 포개어진다.
Patent KR-20000032881-A (KR)
Title: Apparatus and method for storing data in portable terminal
Inventor: AN SEONG HYON
IPC: H04B1/38
Filed: 1998-11-18
Abstract: PURPOSE: An apparatus and method for storing data in portable terminal is provided to use a small resource to maximize an efficiency by adding a database object, a record object and an index object for performing a database function to an object storing function. CONSTITUTION: An object storing module(12) manages data stored in a flash memory(16)and stores or reads data in the flash memory(16) responding to a request of a database module(10). The database module(10) requests a storage of a user data to the object storing module(12) according to a request of a user, or requests an output of data stored in the flash memory(16).
Patent KR-19990014551-A (KR)
Title: 자동여과장치
IPC: B01D35/00
Filed: 1998-11-21
Abstract: 본 발명은 석유화학, 약품, 상,하수처리장치 등의 유체에 포함되어 있는 여러종류의 이물질을 제거하고 상기 이물질의 제거시 여과장치에 침전되거나 쌓이는 폐기물 또는 물떼 등을 용이하고 간편하게 제거할 수 있도록 한 자동여과장치에 관한 것이다. 
     본 발명은 하우징(1)의 내부에 관통공(3)이 형성되는 격벽(2)을 형성하여 이에 유입관(5)이 연결되는 유입부(4)와 유출관(7)이 연결되는 유출부(6)를 각각 설치하고 유입부(4)에는 1차여과망(8)을 설치하며, 유출부(6)에는 양면에 망상의 보호망(9)(10)들이 설치되는 2차여과망(11)을 설치하고 하우징(1)의 중앙부에는 격벽(2)의 관통공(3)을 관통하는 중공의 회전봉(12)을 설치하며 이 회전봉(12)에는 여과망(8)(11)들과 적정한 간격을 가지면서 방사상으로 형성되는 흡인봉(13)들을 설치하고 상기 회전봉(12)의 일단은 상기 하우징(1)의 일측에 설치되는 구동모터(14)와 연결시켜 이 구동모터에 의해 회전되도록 설치하며, 상기 유입부(4)의 일측에는 솔레노이드에 의해 작동되는 배출밸브(15)를 설치하고 하우징(1)의 외측에는 유입부(4)와 유출부(6)에 바이패스관(18)(19)으로 각각 연결되는 차압스위치(17)를 설치하며 이 차압스위치(17)는 콘트롤 박스(20)와 스트레이너(21)가 개재되는 배출밸브(15)의 작동관(16)과 연결설치하여 구성된 것이다.
Patent KR-20000038257-A (KR)
Title: Slope changing apparatus for a batter's box of golf
Inventor: YANG HONG JUN
IPC: A63B69/36
Filed: 1998-12-04
Abstract: PURPOSE: A slope changing apparatus is provided to be exercised more stable in geographical condition as same as the real field even in a small spaces. CONSTITUTION: A slope changing apparatus comprise : a table(10) contains rotating device(14) rotates on a guide rail(12) so that a batter can play bat on it ; a base device(20) connected support cylinder(24) supports the table(10). The rotating device(14) can be shaken up and down by being mounted with a support bracket(25) and a support shaft(28) and has links(32) below the rotating device(14), and the links(32) connected with operating link(37) operated by a tilting motor(35), and a rotating sprocket(30) connected with an operating sprocket(44) and a chain(46) be rotated by a operating motor(40). The operating motor(40) and the tilting motor(35) are operated automatically or manually.
Patent KR-20000012161-A (KR)
Title: Excessive leakage preventing structure of liquefied petroleum gas fuel for vehicle
Inventor: KIM SOON TAE
IPC: B60K15/00
Filed: 1998-12-09
Abstract: PURPOSE: An excessive leakage preventing structure of a LPG fuel is provided to prevent an explosion accident by preventing the excessive leakage of LPG when the fuel supplying pipe of LPG supplied to a vaporizer is damaged. CONSTITUTION: The liquefied LPG and the gas state LPG which is evaporated from the liquefied LPG are stored in a tank(50) so that a blocking valve(54, 55) is prepared to urgently block the flow of the LPG in each supplying line(52, 53). Moreover, a switch valve(57, 58) is installed to supply the liquid and gas state LPG by selectively communicating the LPG supplying line to the supplying line connected to the vaporizer. Herein, the switch valves complete an entrance(59) and an exit(60)which is communicated into a passage(63) through a filter(62) inside a body(61).
Patent KR-20000041918-A (KR)
Title: Method for storing mass data in cellular phone
Inventor: RYU SU YEOL
IPC: H04B1/40
Filed: 1998-12-24
Abstract: PURPOSE: A method for storing mass data in a cellular phone is provided to decrease terminal's load like a standing-by time, by shortening a trash value editing time of flash memory ultimately with trash values shortening, after storing high modified-frequency data in an Electrically Erasable and Programmable ROM(EEPROM) cash for decreasing load like an user's standing-by time, according to editing for trash values of the flash memory. CONSTITUTION: A memory for storing mass data in a cellular phone, comprises the steps of; storing data identifications of a cash Q in data order changed or generated recently according to whether to store and to change of data; and deciding which related data's contents are stored or changed in the flash memory of a Electically Erasable and Programmable ROM(EEPROM) cash according to whether the data identifications are stored. The method also has the steps of; checking whether related data identifications of the cash Q are stored, if a command is for rading restored data among commands according to whether the data are stored and changed; reading data from the EEPROM cash, if the related data identifications are stored; and reading data from the cash memory, if not stored.
Patent KR-20000042527-A (KR)
Title: Method for reducing lowest phosphor steel in electric furnace using hot metal without phosphor
Inventor: KIM JEONG SIK
IPC: C21C5/28
Filed: 1998-12-26
Abstract: PURPOSE: A producing method of lowest phosphor steel is provided to produce molten metal containing less than 0.015wt% of phosphor by making phosphor compound in chemically unstable slag existing stably even at high temperature via thorough slag calcination from the first stage of melting to the final stage of melting. CONSTITUTION: 8-15kg of calcined dolomite to 1 ton of the entire charge amount which is 25-35% of total slag is input. A furnace body is rotated three or four times and the slag is coated on the wall of the furnace. 8-15kg of quick lime is input and scrap iron and phosphor removed hot metal are charged in the furnace. Pure oxygen is input and melting is performed. On igniting the oxygen, 3-10kg of respective quick lime and sintered ore are input. At 30-70% of melting stage, 1-3kg of respective quick lime and calcined dolomite are input dividedly to 1 ton of total charge amount. The sintered ore is charged with an allowable amount of heat resource. At 80-85% of melting stage, more than one sort of quick lime, calcined dolomite and sintered ore are input 1-3kg respectively.
Patent KR-20000043130-A (KR)
Title: Device for protecting battery of vehicle
Inventor: KIM JUNG HONG
IPC: B60R21/00
Filed: 1998-12-28
Abstract: PURPOSE: A protection device of a battery of a vehicle is provided to prevent degradation of a battery by blocking up heat generating from an engine room. CONSTITUTION: A battery protector(50) is installed in an engine room to protect a battery(20) from heat of the engine room. The battery protector has a reception space(52a) having an open upper part to receive the battery and having a bubble type insulating structure on its wall section. A drain hole(54) is prepared on one part on the bottom of a battery insulating box(52) to discharge water or alien substances flowed in from outside and to be used in cleaning the engine room. A silver foil insulating material is installed on the outer wall of the battery insulating box to cut off heat firstly. On the bottom and inner wall of the battery insulating box, an adhesive tape(60) is prepared to install the battery. A measurement groove(52b) is prepared on one sidewall of the battery insulating box to measure the height of electrolyte. The transmission of the heat generating from the engine room to the surface of the battery is blocked up firstly by the silver foil insulating material.
Patent KR-20000044990-A (KR)
Title: Cleaning part of polishing apparatus including sliding type wafer transferring mechanism
Inventor: HAN JEONG GIL
IPC: H01L21/68
Filed: 1998-12-30
Abstract: PURPOSE: A cleaning part of a polishing apparatus is provided to prevent a wafer from breaking when a polishing process is carried out by using a sliding type wafer transferring mechanism. CONSTITUTION: A cleaning part(200) of a polishing apparatus includes a wafer transferring mechanism(WTM) having a body(152) which moves along a rail(140). A transferring handle(56) coupled to the body(152) extends in a perpendicular direction with respect to an extending direction of the rail(140). At an end of the transferring handle(56), a supporter(158) for supporting the wafer is provided. The wafer transferring mechanism(WTM) supports the wafer while glidingly moving in a horizontal direction through a gate formed in a processing chamber(110).
Patent KR-20000045390-A (KR)
Title: Sdram with enhanced pre-charging operation
Inventor: SONG DAE SIK
IPC: G11C11/407
Filed: 1998-12-30
Abstract: PURPOSE: A sDRAM(synchronous dynamic random access memory) is provided to increase a speed of an operating cycle time by removing a separate time of pre-charging operation. CONSTITUTION: In an SDRAM, each cell array block(Block#0,Block#1) has each separated pre-charge circuit(PRE#0,PRE#1). The pre-charge circuits are controlled and operated each by separated control signals of pre-charge(blp#0,blp#1). The SDRAM is performed a read operation and a pre-charge operation at the same time. Thereby, a separated operating time of pre-charge is removed and an operating cycle time is quickened by internally performing the pre-charge without a separated pre-charge command.
Patent KR-20000045791-A (KR)
Title: Method and apparatus for distinguishing reset in switchboard
Inventor: LEE HUI DONG
IPC: H04M3/22
Filed: 1998-12-30
Abstract: PURPOSE: A method and an apparatus for distinguishing reset in a switchboard is provided to help in maintaining and repairing the switchboard by easily confirming a kind of reset by collecting the corresponding reset information in case that a system reset is generated in the switchboard. CONSTITUTION: If power on reset by power on, manual reset by manual switch operation, software reset by software command, watchdog reset by watchdog monitoring that a program falls into infinite loop are generated, the corresponding reset information is latched. The corresponding reset information is periodically provided to a system processor by latching the corresponding reset information by a reset information latch circuit. The system processor confirms a kind of reset by periodically reading reset information.
Patent KR-20000046268-A (KR)
Title: Tire preventing abnormal abrasion for vehicle
Inventor: LEE JAE HONG
IPC: B60C11/03
Filed: 1998-12-31
Abstract: PURPOSE: A tire for a vehicle is provided to restrain abnormal abrasion of a tread by forming grounding face of a tread in a rectangular. CONSTITUTION: In injecting air to a tire, the radius of a shoulder part having larger growing degree than that of the central part(10) is formed in the opposite direction of the radius(R1) of the central part. The grounding face of a tread(1) is formed in a rectangular. By making uniform the grounding face of the tread, grounding pressure is distributed uniformly. Thereby, abnormal abrasion whereby a certain portion of a tread is abraded is restrained.
Patent KR-19990036309-A (KR)
Title: 부분 자화된 회전 로터를 구비한 회전수 측정기구
IPC: G01P3/44
Filed: 1996-11-27
Abstract: 본 발명은 회전수 측정기구에 관한 것으로서, 상기 회전수 측정기구는 자동차의 차륜 지지체(15)에 배치된 적어도 1개의 센서(1)와, 대응하는 차량의 차륜 또는 상기 차량의 차륜과 함께 회전하는 축부분(10)에 고정되어서 부분적으로 자화된 적어도 1개의 로터(5)를 가지며, 상기 로터(5)는 자화가능한 입자 또는 칩에 의한 불순물에 대해서 자기적으로 차폐되고 있는 형식의 것에 관한 것이다.  상기 목적을 위해서, 로터(5)는 자화가능한 지지체(6)상에 배치되며, 지지체의 배면(7)은 차륜 지지체(15)와 상기 차륜 지지체에 인접해서 마주하는 차륜 허브부분 또는 축부분(10) 사이의 간극(17)을 바라보고 있다.  지지체(6)는 로터(5)를 자화가능한 불순물에 대하여 차폐하므로써 불순물은 서로 상대 운동하는 차륜 지지부분(10, 15)간의 간극(17)을 통해서 로터(5)에 도달할 수 없다.
Patent KR-19990045775-A (KR)
Title: 셀룰러 통신 시스템의 패킷 교환 무선 채널 승인 제어
IPC: H04W72/10
Filed: 1996-09-17
Abstract: 패킷 교환 무선 채널(PRCH)에 승인을 제어하는 방법 및 시스템이 제공된다. PRCH 승인 제어 기능(416)은 승인을 PRCH에 요청하는 사용자에 대해 승인 요청을 평가한다. 승인 요청 각각은 요청하는 사용자에 대해 추정된 데이터 트래픽 및 우선 순위값을 포함한다. PRCH를 현재 사용하고 요청하는 사용자의 우선 순위와 같거나 높은 우선 순위를 갖는 하나 이상의 패킷 호출로부터의 추정된 데이터 트래픽 플러스 요청하는 패킷에 의해 요구되는 추정된 데이터 트래팩이 최대 허용가능한 트래픽 레벨보다 적으면, 패킷 호출이 승인(710)으로 허가된다.
Patent KR-19990072196-A (KR)
Title: 통신 시스템 및 통신 시스템 내의 단말기에 서비스를 제공하는방법
IPC: H04W4/02
Filed: 1996-10-10
Abstract: 통신 시스템(100)은 다수의 서비스를 다수의 단말기(400, 401, 402)에 제공하는 서비스 제공자(200)을 구비한다. 통신 시스템 내에 저장된 사용자 식별기를 가진 제어기(300)는 사용자 식별기를 판독하기 위해 단말기에서 판독기와 관련될 수 있다. 단말기(400)내의 선택기는 사용자 식별기와 관련되는 다수의 서비스 중 하나 이상을 선택한다. 전송기는 선택된 서비스에 관해서 사용자 식별기와 정보에 대응하는 사용자 서비스 정보를 서비스 제공자(200)에 전송한다. 서비스 제공자(200)는 사용자 서비스 정보를 수신하고 어느 서비스 프로비전 영역으로부터 사용자 서비스 정보가 전송되어졌는지를 결정한다. 서비스 프로비전 제어기는 특정 정보가 사용자에게 제공되는 지를 결정하고 결정 수단은 선택된 서비스의 제 1 세트에서 서비스가 구비되는지의 여부를 결정한다. 사용자 서비스 정보에 대응하는 페이징 정보를 가진 페이징 메시지가 그 다음에 서비스 프로비전 영역에 전송된다. 단말기(400)는 상기 페이징 메시지를 수신하고 서비스를 수락할 수 있는 경우 서비스 제공자(200)에 응답한다.
Patent KR-20000056536-A (KR)
Inventor: LEE CHANG HUN
IPC: G02F1/1343
Filed: 1999-02-23
Abstract: PURPOSE: A thin film transistor substrate for a liquid crystal display device and a method for manufacturing the same are provided to reduce the response time of liquid crystal molecules. CONSTITUTION: A thin film transistor substrate for a liquid crystal display device includes a first and a second gate lines(20,22), a data line(70), a first and a second common electrodes(92,122). The first and the second gate lines(20,22) are formed on a transparent substrate, and the first and second gate lines are parallel to each other. The data line(70) is formed on the substrate and insulated from the first and second gate lines. The pixel includes a first and second pixel electrodes(91) as well as the first and second common electrodes(92,122). The pixel is defined by the first and the second gate lines as well as the data line. The first and second gate lines cross the data line and the region inside is defined as the pixel.
Patent KR-20000056785-A (KR)
Inventor: LEE SUN SE
IPC: F04B37/00
Filed: 1999-02-26
Abstract: PURPOSE: A booster pump utilizing vibration of a motor is provided to efficiently boost water by using vibration energy of a motor. CONSTITUTION: A booster pump utilizing vibration of a motor includes a housing(1) formed with a chamber(14) inside, a water inlet(19) and a water outlet(20) formed at one side in communication with the chamber and two check valve(27,28) mounted at the raw water inlet and the raw water outlet for preventing counter flow of the water, a diaphragm(34) supported by a retainer(31) and a sleeve(32) mounted movably to and fro inside the chamber and defining the chamber into left and right parts by an edge part fixed on the internal surface of the housing, a connection bracket(33) connected with the sleeve and projected out from the housing, a motor(5) pinned on a side of the external surface of the housing and on the connection bracket, and an eccentric plumb connected to a shaft of the motor.
Patent KR-20000059833-A (KR)
Inventor: LEE DONG GEUN
IPC: H01L21/22
Filed: 1999-03-09
Abstract: PURPOSE: A method for doping an impurity to a poly crystalline silicone film is to equally maintain a sheet resistance of the poly crystalline silicone, thereby optimally maintaining a conductivity of a wire. CONSTITUTION: A method for doping an impurity to a poly crystalline silicone film comprises a step of supplying a phosphine gas as a source gas of phosphorus in a vertical furnace type equipment of which a chamber is maintained at a temperature of about 800 deg. C, and implanting n type impurity into a poly crystalline silicone film. In the method, the chamber is formed of a single or double quartz tube(20,30). The temperature in the chamber is maintained in an extent of 700 to 1000 deg. C. A pressure in the chamber is maintained in an extent of 100 to 3000 m Torr.
Patent KR-20000060469-A (KR)
Inventor: KIM YEONG CHANG
IPC: H01L21/027
Filed: 1999-03-16
Abstract: PURPOSE: An electrochromic device for an exposure apparatus of a semiconductor device is provided variously to form openings in one device. CONSTITUTION: An electrochromic device comprises a blocking electrode layer(20). An electrolysis layer(22) is formed on an upper portion of the blocking electrode layer(20). A plurality of electrochromic layers(30,31,32,33) for forming various openings are formed on an upper portion of the electrolysis layer(22). The variable voltage(25) is applied between uppermost layers of the electrochromic layers(30,31,32,33) and the blocking electrode layer(20). The electrochromic layers(30,31,32,33) are manufactured by WO3 or ZnO.
Patent KR-19990078428-A (KR)
Title: Process for eliminating halogen-containing compounds contained in a gas or a liquid using a composition based on at least one metallic element
IPC: B01J23/06
Filed: 1999-03-31
Abstract: The elimination of halogenated compounds contained in a gas or a liquid is carried out by contacting the gas or the liquid in an alumina and/or hydrate alumina based composition and at least a compound A comprising at least of a metallic element chosen from group VII, IB and/or IIB of the periodic table. The metal's content is at most 45 wt.% wrt. the total weight of the composition. The composition is obtained as follows: (a) impregnation of one or several compounds (B) in alumina and/or hydrated alumina, followed by a thermal treatment at temperature greater or equal 100o C or between 200-1200o C or preferably 300-1000o C; (b) impregnation of one or several compounds (A) in alumina and/or hydrated alumina, followed by a thermal treatment at temperature greater or equal 100o C or between 150-600o C or preferably 200-550o C. It can also be obtained by starting with step (b) then step (a) or by introducing simultaneously A and B in alumina and/or hydrated alumina followed by the thermal treatment. In the latter case, the thermal treatment is carried out at 150-1200o C and/or preferably 200-1000o C.