baber/WOPTO huggingface dataset:
Patent KR-20000056852-A (KR)
Inventor: WANGKUANG CHI
IPC: H01L21/768
Filed: 1999-02-26
Abstract: PURPOSE: A method for manufacturing a metal interconnection structure in an integrated circuit is provided to eliminate a defect that an upper surface of a dual damascene structure is formed as a shape of a dish, and to avoid a short circuit or a bridging defect caused by a remaining material of a barrier layer on an insulation layer. CONSTITUTION: A method for manufacturing a metal interconnection structure in an integrated circuit comprises the steps of: forming an insulation layer on the entire surface of a semiconductor substrate; forming a trench in the insulation layer; forming a first barrier layer on an exposed entire surface of the insulation layer, not filling up the trench completely; forming a second barrier layer on an exposed entire surface of the first barrier layer, not filling up the trench completely; eliminating the first and second barrier layer covering the entire insulation layer excluding the trench; evaporating a metal on the entire surface of the insulation layer to form a metalization layer for filling up the trench completely; and performing a selective removal process for eliminating the metalization layer covering the insulation layer.
Patent KR-20000061201-A (KR)
Inventor: LEE GWANG HO
IPC: H01L21/027
Filed: 1999-03-24
Abstract: PURPOSE: A photoresist filtering device for a semiconductor device is provided to allow a photoresist film to be uniform by preventing fine bubbles from penetrating into the photoresist film. CONSTITUTION: A photoresist filtering device comprises a filter section(100) for filtering a photoresist. The filter section(100) is contained in a housing(200). The housing(200) is formed at an upper portion thereof with a cover(300). A photoresist supply line(410) for supplying the photoresist into the filter section(100) is connected to the cover(300). An exhaust line(490) is connected to a bottom of the housing(200). The photoresist filtered by the filter section(100) is exhausted through the exhaust line(490). A drain line(450) is provided to drain bubbles out of the housing(200). The drain line(450) is connected to the bottom of the housing(200).
Patent KR-19990068309-A (KR)
Title: 비경화형분말당알콜의제조방법
IPC: C07H3/00
Filed: 1999-03-24
Abstract: 본 발명은 분말화된 당알콜이 경시적으로 경화되는 현상을 방지할 수 있는 비경화형 당알콜의 제조방법에 관한 것이다. 당알콜 중 자일리톨은 솔비톨, 만니톨, 말티톨, 에리스리톨 또는 락티톨 등과 같이 대체 당효과 뿐만 아니라 항 충치성 효과, 구강내 흡열효과가 우수하여 식품소재로 널리 사용되고 있으나 미세 분말이 쉽게 수분을 흡수하여 굳어지는 현상으로 인하여 현장에서 사용상 문제점이 자주 발생한다. 본 발명은 당알콜을 분말화할 때 자당 지방산 에스테르를 첨가하여 당알콜 고유의 기능을 그대로 살리면서 자당 지방산 에스테르가 가지는 특수한 성능들을 부가하여 식품용의 새로운 분말 당알콜을 제공한다. 자당 지방산 에스테르는 분말 당알콜과 고르게 혼합되어 껌 베이스에 사용시 흡열성과 씹힘성을 향상시키며 치아에 부착되는 것을 방지하며 향의 보지 능력을 향상시키는 기능을 가지고 있다. 또한 자일리톨은 결정화가 억제되어 굳어짐이 방지되거나 지연되어 미세 분말의 유동성이 향상되고 혼합시 기계에 부착되지 않아 껌의 생산비 절감에도 효과가 기대된다.
Patent KR-19990083026-A (KR)
Title: 광섬유 커넥터 리셉터클 조립체
IPC: G02B6/42
Filed: 1999-04-07
Abstract: 리셉터클(10)은 광섬유 커넥터(12)를 광학 축(69)을 따라 수용하기 위해 제공된다.  리셉터클은 광섬유 커넥터를 수용하기 위한 개방 단부(30)를 갖는 하우징을 포함한다.  한 쌍의 셔터 부재(34)는 개방 단부를 폐쇄 및 개방하도록 셔터 부재의 서로를 향해 그리고 서로로부터 멀어지는 피벗 운동을 위해 하우징 상에서 하우징의 개방 단부(30)의 대향 측면들에 피벗식으로 장착된다.  셔터 부재(34)는 셔터 부재들이 폐쇄될 때에 광학 축(69)을 따라 연장된다.  셔터 부재(34)는 삽입된 광섬유 커넥터(12)에 의해 결합될 때 광학 축으로부터 멀어지도록 피벗 가능하다.  셔터 부재(34)는 셔터 부재들이 폐쇄될 때 광학 축을 따른 광 누출을 확실히 방지하도록 중첩되는(도면 부호 68 참조) 내부 단부를 갖는다.  광섬유 커넥터(12)는 커넥터(12)가 리셉터클(10)의 개방 단부(30)로 삽입될 때에 한 셔터 부재(34)에 앞서서 다른 셔터 부재(34)에 결합하도록 횡방향으로 오프셋된(도면 부호 80a, 80b 참조) 결합 단부를 구비한다.
Patent KR-20000065883-A (KR)
Inventor: SONG GYEONG GEUN
IPC: C02F3/12
Filed: 1999-04-10
Abstract: PURPOSE: Provided is a wastewater disposal method using a suction hollow fiber membrane and an activated sludge process. The method is characterized in that aerobic and anoxic process are intersected in the same reactor, so, nitrification and denitrification are occurred for rapid nitrogen removal. Also, organic material removal, nitrogen removal, and solid-liquid separation are carried out together in the same reactor, thereby, additional reactor or transfer pipe is not necessary. Organism is maintained at high concentration in the method, so, removal efficiency of organic material and nitrogen is high, and hydraulic retention time is reduced largely. CONSTITUTION: The method is characterized by intersection of anoxic and aerobic process in the same reactor. In the anoxic process, aeration into the reactor is stopped, and, anoxic mixing by submerged pump and raw wastewater inflow is carried out. Thereby, denitrification is occurred. In the aeration process, aeration and membrane filtration by suction pump are carried out. Air bubble produced from a diffuser makes aerobic condition, and prevents membrane occlusion by turbulent flow of air bubble. In the aerobic process, nitrification is occurred.
Patent KR-19990046649-A (KR)
Title: 쇼케이스기능을갖춘냉장고또는냉동고
Filed: 1999-04-10
Abstract: 본 발명은 냉동효율(또는 냉장효율)이 뛰어난 냉동고(또는 냉장고)에 관한 것으로서, 더욱 상세하게는, 종류가 다른 물품들을 한 곳에 모아 보관할 수 있고, 또한 냉동실이나 냉장실에 보관된 물품중에서, 사용자의 요구가 있는 물품들을 인출하기 쉬운 위치로 이송하여 즉시 꺼낼 수 있도록 하며, 무엇보다도, 냉동고 내에 보관된 물품들을 상하로 천천히 이송하여, 내부의 냉기가 고루 섞이게 함으로서 냉동효율을 극대화 한, 쇼케이스 기능을 갖춘 냉장고 또는 냉동고에 관한 것이다. 
     본 발명의 쇼케이스 기능을 갖춘 냉동고는, 하부측의 기계실(22)에는 구동모터(3)가 설치되고, 상부측의 냉동실(5) 양측에는, 통상의 구동벨트(8)를 통해 상기 구동모터(3)와 전동(傳動)가능하게 체결된 이송수단이 각각 설치되며, 상기 이송수단의 작동에 따라 항상 수평상태를 유지하면서 상하로 이동할 수 있도록, 물품 보관용의 수납상자(14)가 회동 가능하게 설치된 것을 특징으로 한다.
Patent KR-20000066115-A (KR)
Inventor: LEE HEUNG U
IPC: H01L21/68
Filed: 1999-04-13
Abstract: PURPOSE: A carrier box for a semiconductor wafer is provided to be suitable for storage and transference of a thin wafer by forming a width of the upper part of slot narrow and by forming a width of the lower part of slot widely. CONSTITUTION: A carrier box for semiconductor wafer includes a semiconductor wafer carrier(10) composed of slot which supports the wafer to insert the wafer inside, a supporting tub(11) protecting a semiconductor wafer carrier, and a cover(12). Many supporting part(20) made of elastic material such as silicon, PVC, and special rubber are continuously formed on the cover to protect the wafer. The supporting tub and the upper part of slot are formed narrowly, and the lower part of slot is formed widely. The supporting part(20) is in a body, and the projecting part(21) is formed on the back of the supporting part to prevent supporting force from being weakened.
Patent KR-20000067092-A (KR)
Inventor: YU SUNG KON
IPC: C21C1/10
Filed: 1999-04-23
Abstract: PURPOSE: A fabrication method of nodular graphite cast products without internal contraction defect is provided to give the optimum casting condition in advance by using a computer program. CONSTITUTION: The method comprises the steps of (i) preparing a cast plan by using computer; (ii) analyzing fluidity of a casting molten metal; (iii) virtual analyzing solidification of casting molten metal in advance; (iv) forming a mold to be endured pouring pressure of the molten metal; (v) treating Mg(about 90% of Mg and 2 or 4-element alloy such as Al, Zn and Mn), responding to recovering rates of the first, the second the third class; (vi) subsequent casting treatment by adding Ca-Si as a casting agent to be 0-40%, 40-70% and 70-100% of casting rates; (vii) fixing a pouring temperature; (viii) pouring the molten metal to the mold.
Patent KR-20000073975-A (KR)
Inventor: LEE DON SIN
IPC: H01Q3/20
Filed: 1999-05-17
Abstract: PURPOSE: A dual reflecting mirror antenna is provided to reduce transfer loss of electric waves and to increase efficiency by minimizing a blocking region at an axial displacement Gregorian antenna. CONSTITUTION: A dual reflecting mirror antenna comprises a feeder horn(10) which is installed at a center of a parabola main reflector(55). A dual oval sub reflector(45) is installed at one side of the feeder horn(10), and reflects an electric wave radiated from the feeder horn(10). The dual oval sub reflector(45) has a protrusion part formed at the center of the reflector by attaching two oval planes. A sub focusing point(30) is formed between the dual oval sub reflector(45) and the parabola main reflector(55).
Patent KR-20000074229-A (KR)
Inventor: KWAK DONG HO
IPC: F02D45/00
Filed: 1999-05-19
Abstract: PURPOSE: A system is provided save cost and time by eliminating the necessity of masking download program to ROM of a micro computer. CONSTITUTION: A system comprises a micro computer(11) for outputting a control signal for performing downloading of a download program stored in an EPROM(14) when a program download command is transmitted from a personal computer, a decoder(12) for executing a main program or a download program by selecting a flash memory(13) or the EPROM in accordance with a control signal output from the micro computer, and a flash memory(13) for storing a main program and which is used as a data area permitting read and write operations during program downloading from the EPROM, and the EPROM storing a download program.
Patent KR-19990088446-A (KR)
Title: 낚시용릴의줄길이계측장치
IPC: A01K89/015
Filed: 1999-05-20
Abstract: 낚시용 릴의 줄길이 계측장치를 제공한다. 이 계측장치는 낚시용 릴의 스풀에서 풀리거나 상기 스풀에 감기는 낚시줄의 길이를 계측하기 위한 것으로서, 스풀의 회전위치데이터를 검출하는 회전위치데이터 검출수단과, 스풀의 단위회전당 줄길이와 회전위치데이터의 상관관계를 소정의 실패직경에 있어서 낚시줄의 단위회전당 줄길이를 절편으로 하는 일차함수로 기억하는 관계기억수단과, 회전위치데이터 검출수단에 의해 검출된 회전위치데이터와 관계기억수단에 기억된 일차함수에 근거하여 낚시줄의 길이를 구하는 줄길이 산출수단과, 관계기억수단에 기억된 일차함수의 절편으로부터의 기울기를 변경하기 위한 기울기 변경수단을 구비한다.
Patent KR-20010002286-A (KR)
Inventor: LEE SEUNG U
IPC: H01L21/334
Filed: 1999-06-14
Abstract: PURPOSE: A method for manufacturing a semiconductor device is to inhibit a short channel effect and a reverse short channel effect of the semiconductor device having a submicron unit of a gate length. CONSTITUTION: An isolation layer(11) is formed in a field area to define an active area of a silicon substrate. A sacrificial oxide film is formed on a surface of the active area, and a pattern of a photoresist film is formed on the sacrificial oxide film. Using the pattern of the photoresist film as a mask, a channel controlling area(13) is formed on the substrate to control a threshold voltage of a n-MOS transistor. After removing the pattern of the photoresist film and the sacrificial oxide film to expose a whole surface of the active area, a gate oxide film(15) is formed on a surface of the active area. The first conductive layer is formed on the gate oxide film, and is etched to form a gate electrode(17). The first insulation film(19) is formed on the gate electrode and the gate oxide film using an oxidizing process, and the second insulation film(21) is layered on the first insulation film using a chemical vapor deposition process.
Patent KR-20010002289-A (KR)
Inventor: YOO HYEOK JUN
IPC: H01L21/28
Filed: 1999-06-14
Abstract: PURPOSE: A method for manufacturing a bit line of a semiconductor device is provided to simplify a manufacturing process by omitting the process for forming a tungsten plug, and to improve reliability of the bit line by preventing an underlayer from being damaged by a misalignment of the bit line. CONSTITUTION: After the first insulating layer(12) is formed on a semiconductor substrate(11), a part of the first insulating layer is etched and filled with a conductive material to form the first plug. After the second insulating layer is formed on the first insulating layer having the first plug, a contact hole(15) is formed by etching a part of the second insulating layer(14) until the first plug is exposed. A barrier metal layer(16) and a tungsten interconnection(17) are formed on the entire surface of the exposed first plug and the second insulating layer, not filling the contact hole. An upper barrier layer(18) is formed on the tungsten interconnection, filling the contact hole. The upper barrier layer is etched-back and applied by a photoresist layer. A photoresist layer pattern is formed by exposure and developing processes and used to etch the tungsten interconnection and the barrier metal layer.
Patent KR-20010004139-A (KR)
Inventor: CHOI HYEON SIK
IPC: H04N7/08
Filed: 1999-06-28
Abstract: PURPOSE: A learning method using a caption broadcasting is provided to perform a direct evaluation of learning with caption broadcasting transmitted from a broadcasting station by providing the result after a user takes a test. CONSTITUTION: The learning method using a caption broadcasting includes following processes. First, Korean caption data added to video signal is extracted(201). Thereafter, a control unit discriminates whether the received caption data is a control code, a character data code or a correct answer data code or not(202). Thereafter, after decoding the character data, the data is displayed(203). The user inputs a value(Dx) discriminated as a correct answer to the control unit by using a key button mounted to an input unit(204). Thereafter, the control unit discriminates whether the value(Dx) agree with a value(Da) stored to a correct answer data buffer(205). When the correct answer value(Dx) inputted by the user agree with the correct answer data value(Da), a character graphic data of "O" is read from a font memory and then displayed(206).
Patent KR-20010009724-A (KR)
Inventor: KIM HYEON GON
IPC: H04L9/32
Filed: 1999-07-13
Abstract: PURPOSE: A method for certifying a subscriber in a radio mobile communications net and a method for generating an encoding session key are provided to supply an algorithm generating an early encoding session key for protecting the algorithm certifying a mobile subscriber and sending data. CONSTITUTION: A method for certifying a subscriber in a radio mobile communications net and a method for generating an encoding session key include a few steps. In the first step the random value(20) of 128 bits and the mobile subscriber's secret certifying key of 64 bits are prepared. In the second step the random value(20) of 128 bits is divided by 64 bits and the value is input to each 16 round F function(21,23), a component of a new mobile subscriber certifying algorithm. In the third step the output stream of 64 bits through operation of F function is generated and is prepared as a key of the second part F function(23). In the fourth step the second part F function(23) inputs the random value of 64 bits and the output stream of the 64 bits and generates the output stream of 64 bits. In the fifth step the output stream of the 64 bits of the second part F function(23) is calculated by exclusive-OR(22) of the random value of 64 bits and the bit unit and the value is divided by 32 bits(25,26) and is calculated by exclusive-OR(24) of the bit unit and 32 bits, the final key stream(28) are generated.
Patent KR-19990078681-A (KR)
Title: 지렛대 링크
Filed: 1999-07-26
Abstract: 본 발명은 지렛대 원리를 회전체에 적용시켜 무거운 물체를 가볍게 움직일 수 있는 지렛대링크에 관한 것으로 지렛대 링크의 후방크랭크가 구동되었을 때 지렛대링크를 통한 전방크랭크는 후방크랭크와 동일한 속도(R.P.M)를 유지함과 동시 큰힘이 나올수 있게 구성된 것이다.
Patent KR-20010011250-A (KR)
Inventor: JANG YEONG CHAN
IPC: C08F4/60
Filed: 1999-07-27
Abstract: PURPOSE: A preparation method of polybutadiene containing highly 1,4-sis structure (95% or more) is newly found. The catalysts for polymerization process are used newly compounds of neodymium, organic or chlorinated aluminum and cobalt. Especially, under the ambient temperature, the 1,4-sis polybutadiene with a high sis content is prepared to compare with the existing method prepared at lower temperature condition. CONSTITUTION: The 1,4-sis polybutadiene containing a high sis content is prepared by the catalysts, which are produced from mixing and maturing of compounds of cobalt, neodymium and organic aluminum, expressed with chemical formula 1, and chlorinated aluminum, expressed with chemical formula 2, under depolarization solvent. In the chemical formula 1, R1, R2, R3 are hydrogen atom, alkyl having 1-10 of carbon number, cyclo-alkyl, aryl, aryl-alkyl or alkoxy. In the chemical formula 2, R4 and R5. Here, R4 is alkyl having 2-8 of carbon number, aryl, carboxyl, alkyl-silicon, aryl-silicon or alkoxy and R5 is hydrogen atom, alkyl having 1-10 of carbon number, cyclo-alkyl, aryl, aryl-alkyl, or alkoxy.
Patent KR-20010011875-A (KR)
Inventor: CHOI UI SO
IPC: C02F3/30
Filed: 1999-07-30
Abstract: PURPOSE: A biological nitrogen removing method of high concentration waste water is provided, which can reduce the foreign carbon source, oxygen requirement and retention time at a second anoxic oxidation tank(20) and enhance the denitrification efficiency by continuous operation of aerobic oxidation and anoxic denitrification. The system can also save operation cost by simplified process without recirculation of sludge. CONSTITUTION: The system comprises the followings: (i) a storage tank(10) for storing influent, controlling the influent load and replenishing alkalinity; (ii) a first aerobic oxidation tank(20) for repressing nitrification of nitrous nitrogen to nitric nitrogen; (iii) a first anoxic denitrification tank(30) for denitrification of nitrous nitrogen; (iv) a second aerobic oxidation tank(40) for oxidation of ammonia in raw water and the first aerobic oxidation tank(20); (iv) a second anoxic denitrification tank(50) for denitrification of nitrous nitrogen; and (v) a settling tank for removing particulate nitrogen and phosphorus by adequate chemical treatment.
Patent KR-20010011963-A (KR)
Inventor: SEO SANG IL
IPC: H04L29/10
Filed: 1999-07-31
Abstract: PURPOSE: A method for updating specific register data is provided to protect data of specific register from being updated by an unauthorized audio/video node. CONSTITUTION: A method comprises the steps of allowing the audio/video node to which request for specific register update is made from other audio/video node through a lock transaction, to search whether the audio/video node is authorized for the update operation; allowing the audio/video node to which the request is made to transmit the previous value of the specific register through the lock transaction and update the value of specific register with the requested update value, if the audio/video is searched as authorized; allowing the audio/video node which requested update to receive the previous value through the lock transaction and request the updated value through a read transaction; transmitting the updated value of specific register through the read transaction of the audio/video node which requested the update; and allowing the audio/video node which requested update to compare the value transmitted through the read transaction and the updated value, and perceiving as success if the compared values are the same.
Patent KR-20010017298-A (KR)
Inventor: KIM SI HWAN
IPC: C02F1/04
Filed: 1999-08-10
Abstract: PURPOSE: Provided is a method for treating wastewater generated from an electroplating plant. This method can make valuable resources in the wastewater recovered and treated waster recycled for industrial water by passing metal ions in electroplating waster through an electrodialysis and a vaporizing thickener by terns. CONSTITUTION: The method proceeds to the following steps: (a) treating electroplating wastewater through a first electrodialysis and a second electrodialysis and in the next place, recycling desalted water for industrial water; (b) repeating the (a) step for treated water generated from the former step; and (c) thickening treated water generated from the (b) step by using a vaporizing thickener, recovering valuable resources from the thickened water and recycling condensed water to industrial water. Before the (a) step, if the silt density index (SDI) of wastewater is more than 4, SDI is to be decreased to 4 or less by the pre-treatments such as sand filters, activated carbon filters and fine filters in turn.
Patent KR-20000022724-A (KR)
Inventor: PRIZY BILLSKY PIOTER
IPC: G06F15/16
Filed: 1999-08-14
Abstract: PURPOSE: An object oriented computer environment and an interacting method are provided to improve interaction and communication between a client and components within a backend system. CONSTITUTION: An object oriented computer comprises a client and a command for performing interaction between components within a backend system. The object oriented computer comprises an input object(16), one or more output objects(18), a connection specification(24), an interaction specification(26), and a communication object. The input object is converted by the backend system. The output objects shows the converted input object. The connection specification identifies the backend system interacted with the client. The communication object connects the client with the components of the backend system. The command is performed by an execute method. The command signals a successful event(30) when the components of the backend system do not encounter exception and an unsuccessful event(32) when the components of the backend system encounter an exception.
Patent KR-20000071895-A (KR)
Inventor: SONG SEOK MOK
IPC: C01B32/50
Filed: 1999-08-23
Abstract: PURPOSE: A process of recycling wastes into resources is provided, which does not cause pollution and removes the need of a chimney. The process has the effects of improving the economical efficiency by making resources of the wastes and of preserving both the resources and environment. CONSTITUTION: As a first melting-low temperature cracking furnace (2) step, all the organic materials of wastes are partially fired-cracked-cooled and then discharged through top of the furnace as a first low temperature cracked gas, and all the inorganic materials are melted and discharged in the state of high temperature through the bottom of the furnace and then washed. As a step of purifying harmful gas and recycling the resultant waste water, the a trace of harmful material which remains in the first low temperature cracked gas is adsorption-purified and the resultant waste water is recycled. As a second catalytic (high temperature) combustion-cracking furnace (6) step, the cracked gas of ambient temperature from the step of purifying harmful gas and recycling the resultant waste water is catalytic (high temperature)-fired or cracked in the presence of combustion and a reforming catalyst to produce carbon dioxide gas or synthesized gas. As a recycling step of the produced gas, the gas from the second catalytic (high temperature) combustion-cracking furnace (6) step is recycled as a source to produce various second products.
Patent KR-20000017595-A (KR)
Inventor: MACGGI JOHNDI
IPC: C09D7/65
Filed: 1999-08-27
Abstract: PURPOSE: An adhesive composition having a saturated olefin block and one or more (poly)esters or (poly)ether blocks is provided which can be used for manufacturing an adhesion accelerating agent. CONSTITUTION: An olefin block copolymer is manufactured by a saturated or substantially saturated olefin polymer with a hydroxyl group and a reactive chain expanding agent and polymerized in a head-tail arrangement. For an example, 787g Shell creyton liquid polymer L2203, 137.7g ε-caprolactone, 380.8g xylene, and 3.2g zinc octoate are reacted 145°C for 2.5 hr, cooled and reduced with 291.3g xylene to give a copolymer. The coating composition is prepared by mixing 38.85g copolymer, 25.0g Resimen 7551, 78.5g acrylic polyol 2, 55.3g acrylic micro gel 3, 3g xylene, 11.2g aromatic 100, 20.0g n-butyl acetate, 11.4g xylene. The composition has better adhesive property to an olefin base material such as TPO than conventional adhesive.