baber/WOPTO huggingface dataset:
Patent KR-20020086153-A (KR)
Title: High functional viscose rayon activated carbon and a process of making them
Inventor: AHN BYEONG GIL
IPC: D01F9/16
Filed: 2001-05-11
Abstract: PURPOSE: Provided are high functional viscose rayon type activated carbon fiber which has micro pore distributed well, is large air pore on a surface, has excellent adsorptivity because of having high specific surface, and is useful for an atmospheric clarifier for air conditioning of a building, an atmospheric clarifier for underground, an atmospheric clarifier for removing industrial hazardous gas, a clarifier for treating water, a separation system and a recovering system of organic solvent, a deodorizing article, catalyst, carrier of catalyst, a bio-reactor, an air filter for a car and an oil filter, and a manufacturing method thereof. CONSTITUTION: The high functional viscose rayon type activated carbon fiber is characterized by having at least 1800 of specific surface, 1-20Å of micro pore in size and 30-100Å of meso pore in size. The activated carbon fiber is obtained by a process containing the steps of: as the first step, infiltrating viscose rayon type fiber or a fiber structure thereof into an aqueous solution containing phosphorus compound and nitrogenous compound, followed by drying; phosphorylating under the condition of nitrogen at 200-400deg.C of reacting temperature; as the second step, infiltrating the viscose rayon type fiber or the fiber structure formed phosphate into an aqueous solution of metallic chloride, followed by drying; carbonizing under a condition of nitrogen at 700-1000deg.C of reacting temperature; and then, as the third step, injecting water vapor into the carbon fiber or the carbonized structure at 700-900deg.C to activate.
Patent KR-20020087236-A (KR)
Title: Coating for waterproofing mainly consisting of styrene butadien styrene resin mixed with rubber powder and manufacturing method thereof
Inventor: YOO JUNG GEUN
IPC: C09D109/06
Filed: 2001-05-15
Abstract: PURPOSE: A film waterproofing material and its preparation method are provided, to prepare a film waterproofing material which does not generate bubbles by employing a styrene-butadiene-styrene resin and rubber flour. CONSTITUTION: The film waterproofing material comprises 100 parts by weight of a styrene-butadiene-styrene resin; 40-70 parts by weight of rubber flour; 200-400 parts by weight of xylene; 3-6 parts by weight of a reinforcement filler; 4-7 parts by weight of a cross-linking agent; 2-5 parts by weight of an antiaging agent; and 2-5 parts by weight of an antioxidizing agent. Preferably the reinforcement filler is carbon black; and the cross-linking agent is zinc oxide. The rubber flour has a particle size of 100-160 mesh and a density of 0.56. The method comprises the steps of dissolving the styrene-butadiene-styrene resin into xylene, adding the rubber flour to the solution, and stirring the solution at 30-60 deg.C for 2-4 hours until the viscosity reaches to 1,500-3,000 cps, to prepare a styrene-butadiene-styrene resin solution; and mixing the solution with the reinforcement filler, the cross-linking agent, the antiaging agent and the antioxidizing agent, and stirring the solution at 30-60 deg.C for 3-4 hours.
Patent KR-20020089557-A (KR)
Inventor: AHN TAE HONG
IPC: A01C5/06
Filed: 2001-05-23
Abstract: PURPOSE: Provided is a multipurpose direction sower for forming furrows which performs plural functions like direct sowing, forming furrows, scattering fertilizers, sowing beans or so on so that it helps to reduce work force. CONSTITUTION: In the common direct sower which includes plural sowing boxes(120) with containing an outlet(121) and a switch, the multipurpose direct sower for forming the furrows comprises the parts of: an elevator for the sower(200) which elevates the sower vertically; a height adjuster(250) which adjusts the elevation height of the sower; an opening hole for water furrows which is fixed at the lower part of a height adjusting bar to open the water furrows for drainage; and a hole for forming the furrows(134) which is fixed at the lower part of the plural both fixing bars to form the furrows for sowing.
Patent KR-20010111013-A (KR)
Title: 플라즈마 공급원들 및 진공 코팅 장치의 플라즈마 공급원특히, 광학 기층들상에 코팅층들을 도포하기 위한플라즈마 공급원을 위한 음극 전극
IPC: H01J37/32
Filed: 2001-06-07
Abstract: 진공 코팅 장치의 플라즈마 공급원을 위한 음극 전극은, 바람직하게는 광학 기층 상에 코팅층을 도포하기 위해 재료의 에너지 밴드 사이에 바람직하게는 적어도 3 eV의 가능한한 광폭 밴드 갖는 재료로 적어도 일부가 구성된다.  이러한 경우에, 음극 전극의 광폭 밴드 갭 재료는 최적의 제1 및 제2 전자 방출을 위해 도핑되고, 질소(N) 또는 황(S)으로 도핑된 다이아몬드, 또는 보론(B)과 질소가 함께 도핑된 다이아몬드, 또는 N형 도핑 결정체인 6H-SiC 및 4H-SiC(실리콘 카바이드), 또는 BN, CN, BCN 및 다른 N형으로 도핑된 질화물, 불화물 및 산화물 뿐만 아니라 Zn, Si 또는 Zn+Si으로 도핑된 GaN, AlN 및 AlGaInN 합금들을 포함할 수 있다. 
     두 개의 인가된 밴드 사이의 밴드 갭이 증가함에 따라서, 제1 및 제2 전자의 방출은 적절한 에너지 공급이 가해지면 상당히 증가한다.
Patent KR-20010112649-A (KR)
Title: 실린더 배럴 표면을 형성하는 표면 층, 이에 적합한 분사분말, 및 그 제조 방법
IPC: C23C4/16
Filed: 2001-06-13
Abstract: 내연기관 블록의 실린더 배럴 벽을 형성하기 위한 표면 층이 제안되어져 있다.  표면층은 잔류  재료들의 상으로부터 분리된 독립된 상의 성분을 구비하고 있다.  표면층은 제조되어질 층의 모든 성분을 포함하는 철 함유 분사 분말을 플라즈마 분사시킴으로써 제조된다.  이러한 표면층은 쉽게 인가되며, 피스톤 링의 재료와 비교하여 마모 저항 및 마찰 계수와 유사하게 층 재료의 다른 중요 특성에 악영향을 미치지 않고 기계가공에 개선된 거동을 수행한다.  분사 분말의 바람직한 성분은 Fe 이외에도, Cr, Mn, S, 및 C로 구성된다.  또한, 분사 분말은 As, Te, Se, Sb, 및/또는 Bi 를 함유할 수 있다.
Patent KR-20020097349-A (KR)
Title: Apparatus for cutting burr of slab in continuous casting machine
Inventor: JUNG DO SU
IPC: B22D11/126
Filed: 2001-06-20
Abstract: PURPOSE: An apparatus for removing burr of slab in a continuous casting machine is provided to increase working productivity of the continuous casting machine by performing function of transfer rolls, prevents surface scratches of the slab, and greatly extends life cycle of a cutter by preventing high temperature deterioration of the cutter. CONSTITUTION: The apparatus for removing burr of slab in a continuous casting machine comprises a plurality of cutter knives which are rotationally mounted on a roller(7) that is rotated forward and backward by a driving motor(5); a plural cylinders(50) for vertically ascending or descending the driving motor(5), roller(7) and cutter knives; a sensor(60) which is positioned at the rear of the cutter knives to detect the cut surface of a slab (S) and send determined signals; and a control part(70) for adjusting the cylinders(50) to a determined elevation based on the signals from the sensor(60) and rotating the driving motor(5) in a predetermined direction, wherein backlashing of the driving motor(5) causes the cutter knives to be projected to the outer side of the circumferential surface of the roller(7) by centrifugal force around the roller(7) so that the cutter knives remove burr (P) of the slab (S), or the outer circumferential surface of the cutter knives to be conformable with the circumferential surface of the roller(7) so that the cutter knives function as a transfer roller supporting the slab (S).
Patent KR-20020096651-A (KR)
Title: Billing data receiving method in digital TV and apparatus thereof
Inventor: KIM EUN JU
IPC: H04N7/173
Filed: 2001-06-21
Abstract: PURPOSE: A method and an apparatus for receiving charge data of a digital TV are provided to easily confirm particulars of used contents, thereby watching pay programs provided from a broadcasting station without worrying about payment errors. CONSTITUTION: An apparatus for receiving charge data of a digital TV includes a transport processor(11) demultiplexing voice and image signals, a unique address and charge guide data at a broadcast signal received in an antenna; a CPU(13) comparing the demultiplexed unique address with own unique address, storing the charge guide data at a memory(14) if the unique addresses are equal, and displaying the arrival of the charge guide data at a screen display part of a digital TV receiver; the memory storing the charge guide data and pay program list data watched in the digital TV receiver; a modem(15) periodically transmitting the pay program list data to a broadcasting station, and transmitting the comparison result of the pay program list data and the charge guide data including an unique address of a smart card(12) to the broadcasting station according to an order of a digital TV receiver user.
Patent KR-20030001117-A (KR)
Title: A method for protection of inter-electrode short
Inventor: AHN GI CHEOL
IPC: H01L27/10
Filed: 2001-06-28
Abstract: PURPOSE: A method for preventing a short between electrodes is provided to improve the yield of semiconductor devices by effectively preventing a short between a lower electrode and a bit line. CONSTITUTION: A bit line(33) and a second interlayer dielectric(35) are sequentially formed on a substrate(30) including a first interlayer dielectric(31) having a first plug(32). The surface of the first plug(32) is exposed by selectively etching the second interlayer dielectric(35). After forming a conductive layer on the resultant structure, a second plug(36) is formed by polishing the conductive layer to expose the second interlayer dielectric(35). An etch stopper(37) and an insulating layer(38) are sequentially formed on the resultant structure. After exposing the surface of the second plug(36) by selectively etching the insulating layer(38), a lower electrode(39) is formed on the exposed second plug(36).
Patent KR-20030002487-A (KR)
Title: Header pipe cladding method of heat exchanger
Inventor: OH SEUNG TAEK
IPC: F28F9/00
Filed: 2001-06-29
Abstract: PURPOSE: A method for cladding header pipe of heat exchanger and cladding material of the same are provided to securely clad the header pipe, a tube and a bracket. CONSTITUTION: A header pipe is extruded by an extruding device. Cladding material is coated on surfaces of the header pipe to which a tube is inserted and cladded and a bracket is cladded. The cladding material is Al-Si powder manufactured in wire shape to be molten iron and melted by arc discharge and fused on the cladding parts of the header pipe by spraying compressed air. Slurry type mixed material, mixture of flux powder, binder powder made of high molecular resins and diluting material, is coated on the surfaces on which the molten iron is fused by spraying at normal temperature. The coated diluting material is vaporized by extruding heat. The coated layer is hardened by air blowing at normal temperature. The header pipe with coated layer is assembled to the bracket formed by extrusion and press and the tube. The assembly is brazed in a brazing furnace.
Patent KR-20030002889-A (KR)
Title: The method for fabrication of inter layer dielectrics in semiconductor device
Inventor: KIM SI BEOM
IPC: H01L21/316
Filed: 2001-06-30
Abstract: PURPOSE: A method for forming an interlayer dielectric in a semiconductor device is provided to improve gap-filling property in fine patterns. CONSTITUTION: An USG(Undoped Silicate Glass) layer(12) is deposited on a semiconductor substrate(10) having conductive patterns(11) by using HDP(High Density Plasma)-CVD(Chemical Vapor Deposition), wherein the spaced distance between conductive patterns(11) is imperfectly filled. Then, an oxide layer(13) containing boron is sufficiently deposited on the USG layer(12) by using HDP-CVD. At this time, the boron oxide layer(13) is B2O3 or BSG(BoroSilicate Glass). Also, mixed gases of B2H6 and O2 are used as a source gas.
Patent KR-20030004728-A (KR)
Title: Method and System of processing Short Message Service for mobile communication terminal which is not available Voice Message Service
Inventor: KIM GEUN YEONG
IPC: H04W4/16
Filed: 2001-07-06
Abstract: PURPOSE: A method for performing an SMS(Short Message Service) for a mobile communication terminal in which a voice mail box is inactivated, and a system therefor are provided to connect to a specific system and leave a telephone number using the SMS in case that a voice mail box is inactivated. CONSTITUTION: An MSC(Mobile Switching Center), which controls a BTS(Base station Transceiver Subsystem) for managing information of a mobile communication terminal which requests a call, confirms whether a voice mail box of a mobile communication terminal of a callee is activated(S22). If the voice mail box of the mobile communication terminal of the callee is inactivated, the MSC transmits a message in which the voice mail box of the callee is inactivated to the BTS, and instructs the BTS to transmit a guidance broadcasting about the message to the mobile communication terminal which requests the call(S30). The BTS transmits the guidance broadcasting to the mobile communication terminal, and then transmits a voice message for inquiring whether a user uses an SMS(S40). If the user expresses use's intention for using the SMS, a telephone number of the mobile communication terminal of the callee is displayed on an LCD of the mobile communication terminal which requests the call. If the user pushes a certain key of the mobile communication terminal, an additional message is displayed for inquiring that more message is transmitted(S50). If the user does not have user's intention for transmitting the additional message, the telephone number is transmitted as a short message(S70).
Patent KR-20020005504-A (KR)
Title: Display device
Inventor: AOKI MAKOTO
IPC: G02F1/133
Filed: 2001-07-09
Abstract: PURPOSE: To prevent a picture in the expression of moving picture from becoming blurred or obscure while suppressing the reduction of picture luminance in a hold type display device. CONSTITUTION: In this display device, a frame buffer 42 timesharing a frame displaying one picture into plural sub-frames, a damping signal generating circuit 52 generating a damping signal Sc2 by dividing an inputted luminance signal Sc with a prescribed damping coefficient F and a signal changeover circuit 53 which inputs a luminance signal Sc1 anterior to the division in preceding sub-frames in the frame and inputs the damping signal Sc2 posterior to the division in succeeding sub-frames are provided.
Patent KR-20030006808-A (KR)
Title: Refining method of liquid crystal and fabricating method of liquid crystal display using the refining method
Inventor: JUNG SEONG UK
IPC: C09K19/00
Filed: 2001-07-16
Abstract: PURPOSE: A method for purifying liquid crystal, a method for preparing a liquid crystal display using the method and a dispenser for dropping liquid crystal are provided, to prevent the badness of image quality due to the impurities of liquid crystal. CONSTITUTION: The purification method comprises the steps of contacting two electrodes where voltage is impressed; and separating the two electrodes from liquid crystal, thereby removing the impurities of liquid crystal. The preparation method of a liquid crystal display (LCD) comprises the steps of preparing two substrates of an LCD; joining the two substrates; putting the liquid crystal to be injected between the two substrates, into a liquid crystal tray, and contacting the two electrodes where voltage is impressed with the liquid crystal to purify the liquid crystal in the tray; and injecting the purified liquid crystal between the two substrates. Also the preparation method comprises the steps of preparing a primary and secondary substrates of an LCD; dropping a liquid crystal drop on the primary substrate; contacting the two electrodes where voltage is impressed with the liquid crystal drop to purify the liquid crystal drop; and joining the primary substrate to the secondary substrate.
Patent KR-20020008036-A (KR)
Inventor: SAKUSABE KENICHI
IPC: H04B1/10
Filed: 2001-07-16
Abstract: PURPOSE: A wireless communication system is provided to considerably increase the number of channels to be set simultaneously in the same area in a wireless LAN(Local Area Network) system and remarkably preclude the possibility of the occurrence of an intermitted communication link due to a disturbing radio wave. CONSTITUTION: A wireless communication section(70) has a front end circuit(80a) for a 2.4 GHz band and a front end circuit(80b) for a 5 GHz band so as to be compatible with two frequency bands of 2.4 GHz and 5 GHz. When a communication channel is set in the 2.4 GHz band, the front end circuit(80a) converts an intermediate frequency signal with a frequency(fia) after the modulation from a BBP(Base Band Processor)(72) into a high frequency signal with a frequency(fa). In the case of reception, the front end circuit(80a) converts a high frequency signal with the frequency(fa) received from other wireless communication unit into the intermediate frequency signal with the frequency(fia).
Patent KR-20030008481-A (KR)
Inventor: KWON O BONG
IPC: H04N5/335
Filed: 2001-07-18
Abstract: PURPOSE: A CMOS image sensor is provided to increase charge capacity of each cell and improve an electrical characteristic by forming a charge storage gate on one side of a photodiode region. CONSTITUTION: A transfer gate(52) is formed between one side of a photodiode region(51) and a floating node in order to transfer charges. A reset gate(53) is formed between a Vdd terminal(Vdd) and the floating node. A source-follower gate(54) and a select gate(55) are formed between an output terminal and the Vdd terminal(Vdd). A plurality of gate formation regions(56a,56b,56c,56d,56e,56f) for storing charges are formed nearly to the photodiode region(51). A plurality of charge storage gates can be formed on an entire area or a partial area of the gate formation regions(56a,56b,56c,56d,56e,56f).
Patent KR-20030008837-A (KR)
Title: Spherical abberation compansator and optical pickup device adopting the same
Inventor: AHN YEONG MAN
IPC: G11B7/125
Filed: 2001-07-20
Abstract: PURPOSE: A spherical aberration compensating device and an optical pickup device employing the same are provided to reduce the deterioration of the compensation effect due to the mis-alignment between the centers of an objective lens and a spherical aberration compensating element. CONSTITUTION: A spherical aberration compensating device includes a central compensation part(101) having an optical axis designed to be accorded with an optical axis of an objective lens, and having a phase distribution for compensating the spherical aberration according to a thickness deviation of a recording medium, and an environmental compensation part(102) for surrounding the central compensation part and having a phase distribution corresponding to an inconsistency between the optical axis of the objective lens and the optical axis of the central compensation part for reducing deterioration in the spherical aberration compensation due to the inconsistence between the optical axes.
Patent KR-20030012506-A (KR)
Title: Anti-reflective and anti-static multi-layer thin film for display device
Inventor: KANG TAE SU
IPC: G02B1/10
Filed: 2001-08-01
Abstract: PURPOSE: An anti-reflective and an anti-static multi-layered thin film for a display device is provided to reinforce the film strength of the multi-layered thin film and improve the light reflexibility. CONSTITUTION: An anti-reflective and an anti-static multi-layered thin film for a display device includes an ITO(Indium Tin Oxide) layer(22), a first Nb2O5 layer(23), a first SiO2 layer(24), a second Nb2O5 layer(25), and a second SiO2 layer(26) accumulated on a glass substrate(21), wherein the ITO layer is 17-19 nm in thickness; the first Nb2O5 layer is 3-5 nm in thickness; the first SiO2 layer is 28-29 nm in thickness; the second Nb2O5 layer is about 112 nm in thickness; and the second SiO2 layer is about 90 nm in thickness.
Patent KR-20030014861-A (KR)
Title: underfill tape and the flip chip bonding method used of it
Inventor: SONG GEUN HO
IPC: H01L21/60
Filed: 2001-08-13
Abstract: PURPOSE: An underfill tape and a flip chip bonding method using the same are provided to perform easily an underfill process and reduce the number of process errors and a manufacturing cost by forming an underfill member of a solid state including a flux component as a tape type. CONSTITUTION: An underfill tape(120) is mounted on a semiconductor substrate(114). A semiconductor chip(110) having plural conductive bumps(112) is mounted on the semiconductor substrate(114) in order to insert the conductive bumps(112) of the semiconductor chip(110) into bump holes(117) of the underfill tape(120) corresponding to the conductive bumps(112). The conductive bumps(112) are fused and attached on a pad(118) of the semiconductor substrate(114) by performing a heating process. The underfill tape(120) is attached between the semiconductor chip(110) and the semiconductor substrate(114).
Patent KR-20030015675-A (KR)
Title: Apparatus for removing dust in stack
Inventor: KIM GI SEONG
IPC: C10B43/08
Filed: 2001-08-17
Abstract: PURPOSE: A device for removing dust in stack is provided which is vertically moved along the inner surface of the stack to remove dust accumulated and supplies cleaning solution to the stack after removing dust to discharge the removed dust. CONSTITUTION: The device for removing dust in stack comprises a cleaning part which is vertically moved along the inner surface of the stack to remove dust on the wall surface inside the stack; a control part of wind volume inside the stack which is vertically mounted on the center of a plural frames that are stretched from the cleaning part to be gathered to the central part; and a cleaning solution supply part comprising a cleaning solution supply pipe that is raised to the upper part of the stack along height of the outer surface of the stack, and a supply unit for supplying the cleaning solution from the upper part of the supply pipe to the cleaning part, wherein the cleaning part comprises a tube shaped body mounted along the inner circumference of the stack; a cleaning solution inflow unit(43) which is vertically positioned at the upper part of the body part and receives cleaning solution from the cleaning solution supply part; and a cleaning unit(60) which is rotationally mounted on the end part of the frame mounted on the lower part of the body, and on which brushes(58) are mounted.
Patent KR-20020015666-A (KR)
Title: Active matrix liquid crystal display unit having liquid crystal molecules less arranged like spray pattern and along bent line
Inventor: MATSUMOTO KIMIKAZU
IPC: G02F1/139
Filed: 2001-08-22
Abstract: PURPOSE: To solve problems in a liquid crystal panel using a method of generating an electric field effectively parallel to the substrate such that the effective refractive index anisotropy of the liquid crystal decreases by the presence of a region where an electric field perpendicular to the substrate is more dominant for the liquid crystal in the column than an electric field parallel to the substrate and that this causes decrease in the luminance of the liquid crystal panel. CONSTITUTION: Rising in the liquid crystal 20 by the electric field at the electrode edges of interdigital pixel electrodes 8 and common electrodes 3 can be suppressed and higher luminance of the liquid crystal panel can be obtained by using a liquid crystal material under specified conditions relating to the elastic constants for splay deformation and bend deformation of the liquid crystal 20, for example, with the elastic constant K11 for splay deformation ranging 6 pN<K11<25 pN.
Patent KR-20020018127-A (KR)
Inventor: TANI KOICHIRO
IPC: A61F13/49
Filed: 2001-08-30
Abstract: PURPOSE: A disposable diaper is provided to prevent a target tape strip from being easily disengaged even if the diaper moves after the front and rear waist regions have been connected to each other to put the diaper on a wearer's body. CONSTITUTION: The disposable diaper(1) includes a pair of tape fasteners(8) extending outward from transversely opposite side edge portions(1a) of a rear waist region(22) and a target tape strip(10) to which the tape fasteners are anchored and attached to an outer surface of a back sheet(3) in a front waist region(20), and hook members(9) are provided on surfaces of the respective tape fasteners facing the target tape strip and portions of the respective hook members defined in the vicinity of their inner side edges(9a) and lying in the vicinity of the transversely opposite side edge portions of the rear waist region are set free from the respective tape fasteners.