baber/WOPTO huggingface dataset:
Patent KR-20000035556-A (KR)
Inventor: CARPENTER LESLIE EARL II
IPC: C08G77/12
Filed: 1999-11-18
Abstract: PURPOSE: A method for manufacturing a hydrogen-silsesquioxane resin allows more or less complete re-utilization of the solvent, sulfuric acid and surfactants used, without any loss of these compounds. CONSTITUTION: A method for manufacturing a hydrogen-silsesquioxane resin in which a solution of HSiCl3 in a halogenated hydrocarbon solvent which can dissolve the organic sulfonic acid and which dose not react with sulfuric acid is added to a two-phase system, comprises: (a) an aqueous phase which contains sulfuric acid and an organic sulfonic acid which is not sulfonated by sulfuric acid and which is soluble in both water and the organic phase; and (b) an organic phase which contains the halogenated hydrocarbon solvent, and the resulting mixture is agitated. In the method, the ratio of the sulfuric acid relative to the combined weight of the water(including water of hydration in cases where the sulfinic acid contains such water of hydration) and sulfuric acid is 80-96 wt.%, and is present in the organic phase at the rate of 0.008 moles/L or greater.
Patent KR-20000035575-A (KR)
Inventor: FUJII KAZUMI
IPC: A01K5/00
Filed: 1999-11-19
Abstract: PURPOSE: A feeder for pig-raising is provided which enables a fixed quantity of food to be discharged in a good condition at all time from the lower opening and comprises a small number of components and reduces production cost. CONSTITUTION: A feeding tank (2) comprising a feeder body (3) being gradually reduced in diameter downward and a rocking element (4) being gradually enlarged in diameter upward is constructed. A lower end of a supporting rod of a food-quantity adjusting member that is suspended from the upper end part of the feeder body is fixed to the rocking element, the rocking element is suspended in such a state that the lower end part of the feeder body is inserted into the upper end part of the rocking element. A feed tub (9) having a side wall part (10), a rear wall part (11) and a bottom part (13) is constructed and the feed body is fixed thereto. A feed discharge guide member (16) is installed on the elevated part of the bottom part, a conical part (16a) is inserted into the lower end part of the rocking part (4).
Patent KR-20010048288-A (KR)
Inventor: LEE SANG BAEK
IPC: G06F3/00
Filed: 1999-11-26
Abstract: PURPOSE: A screen capable of inputting data by a remote control is provided to input data by a remote control. CONSTITUTION: A display unit(200) displays an information menu including data capable of being inputted visually. A functional unit(100) generates an electric current if a laser beam is scanned. Information of the display unit(200) may be selected by the electric current. Information menu being visually displayed on the display unit(200) is selected by the generated current, and the information menu is inputted as data. The functional unit(100) includes the first electrode layer, the second electrode layer and a reaction layer. The reaction layer makes the electric current asymmetrically. It is desirable that the reaction layer is constructed by a diode having a rectification character and made of two semiconductor materials having different characteristics.
Patent KR-20000035740-A (KR)
Title: Semiconductor memory
Inventor: UCHIDA SHOUJOU
IPC: G11C11/409
Filed: 1999-11-27
Abstract: PURPOSE: A semiconductor memory is provided to adjust a pulse width of an internal pulse signal easily by preventing a potential of a read/write bus line from being increased or decreased largely. CONSTITUTION: A semiconductor memory comprises a potential comparison circuit(C1) and an intermediate potential providing circuit(C2). The intermediate potential providing circuit(C2) consists of an inverter(I1), PMOS transistors(P1,P2) and NMOS transistors(N1,N2). The PMOS transistor(P2) has a source connected to a power(VCC), a gate connected to receive an inverted version of an internal pulse signal(RBEQ) through the inverter(I1). The PMOS transistor(P1) has a gate connected to a signal(S2), and is connected in series to a drain of the transistor(P2). The NMOS transistor(N2) has a source grounded and a gate connected to the signal(RBEQ). The NMOS transistor(N1) has a gate connected to the signal(S2), and is connected to a drain of the transistor(N2). Drains of the transistors(N1,P1) are connected to a read bus line(RB). The potential comparison circuit(C1) compares a potential on the read bus line(RB) with a reference potential(Vref) to generate the signal(S2).
Patent KR-20010054813-A (KR)
Inventor: LIM JAE CHEOL
IPC: G11B7/258
Filed: 1999-12-08
Abstract: PURPOSE: An optical recording medium and a deciding method thereof are provided to precisely decide the optical recording medium through inserting a reflecting area and a non-reflecting area between a clamp area and a read-in area. CONSTITUTION: To decide an optical recording medium to be a CD, a CDR, or a DVD, a slide in is performed toward an inner circumference of the optical recording medium. Then, a slide is transferred to a detect area of the optical recording medium. In an on state of a laser, the medium is rotated for one round. Number of reflecting areas and non-reflecting areas in a detected area is counted for deciding type of the optical recording medium. After transferring the slide to a read-in area, data recorded on a data area of the optical recording medium is read for being transferred to a host computer. Or, the data of the host computer is stored in a data area of the optical recording medium.
Patent KR-20010056279-A (KR)
Inventor: PARK NO BEOM
IPC: C23C2/14
Filed: 1999-12-14
Abstract: PURPOSE: An aqueous solution for micronizing spangles of a hot dipped galvanized iron is provided which micronizes grains of zinc plated on a cold rolled steel sheet and enables performance of the environment friendly operation in the process of galvanizing the cold rolled steel sheet. CONSTITUTION: In a spray solution for micronizing spangles generated when it is solidified after a zinc solution (2) to which antimony alone or antimony together with other constituents is added is coated on a steel sheet, the spray solution for micronizing spangles of a hot dipped galvanized iron (3) comprises additives of one or two compounds selected from sodium lauryl sulfate compound (CH3(CH2)11OSO3Na) and sorbitan based non-ionic surfactant and is sprayed on the hot dipped galvanized iron, wherein one or two compounds selected from phosphoric acid based inorganic salts aqueous solution (4) and phosphoric acid based spangle micronizing solution are added to the additives, and wherein each of the sodium lauryl sulfate compound and sorbitan based non-ionic surfactant are in the range of 0.1 to 20 g/l when one type of the additive is selected while the total amount of the additives is in the range of 0.1 to 20 g/l when two types of additives are selected.
Patent KR-20010056521-A (KR)
Inventor: JIN DAE HYEON
IPC: F28D1/00
Filed: 1999-12-15
Abstract: PURPOSE: A capillary heat exchanger is provided to promote reduction of pressure loss and to reduce heat exchanging performance by forming a heat exchanger in capillary type including a heat transfer pipe having a pipe diameter of lower than 6mm. CONSTITUTION: A capillary heat exchanger consists of cooling fins(200) having plural groups of slits(220) and heat transfer pipes(100) connected through each connecting hole(210) of the cooling fins. The heat transfer pipe of the capillary heat exchanger has a pipe diameter of 5-6mm smaller than one of the former heat transfer pipe of 9.52mm. The cooling fin has the width(W2) smaller than one of the former cooling fin. Each slit of the cooling fins is arranged in 4 rows of each group. A distance(P1) between the center of a connecting hole and the center of the other connecting hole is about 19-20mm. A distance(P2) between the center of a connecting hole and the center of the other connecting hole on the cooling fin is 10-11mm. Each slit is protruded in the same direction from a side of the cooling fins. Therefore, sudden pressure loss is prevented to the maximum as the distance between the cooling fins is reduced.
Patent KR-20000049357-A (KR)
Title: Cellular phone language receiver
Inventor: KIM SEONG TAEK
IPC: H04B1/40
Filed: 1999-12-17
Abstract: PURPOSE: A cellular phone language receiver is provided to simultaneously receive an audio and texts through an earphone and a liquid monitor respectively, as a radio receiving system is built-in the cellular phone. CONSTITUTION: A language receiver using a cellular phone, includes an audio receiver to receive audios and texts, has channels to select and switch device to select a radio, and to receive audio and texts at the same time, through an earphone and a liquid monitor respectively.
Patent KR-20010064971-A (KR)
Inventor: BYUN JEONG U
IPC: H01L21/027
Filed: 1999-12-20
Abstract: PURPOSE: A method for forming a pattern in a semiconductor manufacturing process is provided to remove fully a scum generated from a photoresist pattern formation process by performing ultra violet ray processing. CONSTITUTION: A processing layer(32) is formed on a semiconductor substrate(30). A photoresist layer is formed on the processing layer(32). A patterned mask pattern is formed on an upper portion of the photoresist layer. The light is irradiated selectively on the photoresist layer. The photoresist layer is developed selectively by using a development solution. A photoresist pattern(34a) is formed on an unexposed portion of the photoresist layer(34a). The processing layer(32) is processed by using a ultra violet ray(38).
Patent KR-20010063157-A (KR)
Inventor: PARK SOO HONG
IPC: F16K1/00
Filed: 1999-12-21
Abstract: PURPOSE: A valve of dual disc structure is provided to open a valve smoothly by adopting dual disc structure having the same direction as the direction of the fluid flowing in the valve. CONSTITUTION: A fluid pressure is used for perfect sealing between a disc(6) and a seat(5) when a valve is closed. In an opening process of the valve, an auxiliary disc(8) at the center of the disc is opened to keep the balance of the pressure between an inlet and an outlet of the valve. Thereby, the main disc is smoothly opened. For this, an auxiliary seat is polished through a hole at the center of the main disc. Then, the disc is manufactured to correspond to the auxiliary seat. When the auxiliary disc is opened higher than a stroke, the main valve disc is automatically opened. The dual disc structure of the valve is mounted by simple change in the shape of the valve disc. Therefore, the valve is completely closed by a small force and the leakage of oil is prevented.
Patent KR-20010063309-A (KR)
Title: Dielectric paste composition
Inventor: CHO SEOK HYEON
IPC: H01B3/12
Filed: 1999-12-22
Abstract: PURPOSE: A dielectric paste composition is provided to enhance a luminance and a light reflectance ratio of a PDP and prolong a life expectancy of a product through low power consumed. CONSTITUTION: An AC type PDP forms multi layers on a front glass board and a rear glass board, and has a structure formed by injecting a discharge gas between the layers. Transparent electrodes(2,4), bus electrodes(3,5), a transparent dielectric layer(1) and a protective layer(6) are laminated on the front glass board(10) in their orders. An address electrode(8), a lower plate dielectric layer(7), a partition(9) and a fluorescent layer are laminated in their orders on the rear glass board(11). A dielectric paste composition includes a glass powder, an organic binder and a filling material. The filling material has flat alumina as much as 10-40wt%. The alumina's average particle diameter ranges from 0.2 to 5μm. The flat alumina is used as the filling material having higher light reflectance ratio, thereby increasing luminance and reducing power consumption.
Patent KR-20010058173-A (KR)
Inventor: JUNG HUI TAE
IPC: B22D11/00
Filed: 1999-12-24
Abstract: PURPOSE: An electromagnetic continuous casting device not oscillating a mold is provided to simplify the structure and reduce the power consumption of the casting device by omitting any additional elements for oscillating a mold and improve the quality of the surface of cast slabs. CONSTITUTION: An electromagnetic continuous casting device in which an ingot is supplied via an immersion nozzle(9) and a slab is cast by using a mold(20) wound with a coil(15) on an outer surface by several times, includes a plurality of slits formed in a casting direction for increasing a curvature of a meniscus(19) by transmitting the electromagnetic force and Joule heat of the coil generated by the power supply with respect to the outer surface of the mold wound with the coil to the ingot contacting the mold, thereby casting the slab under no oscillation, wherein the coil is applied with a frequency 10-200kHz and a coil current 500-5000A.
Patent KR-20000048398-A (KR)
Inventor: SHIRATORI SHIGENORI
IPC: H05K3/46
Filed: 1999-12-24
Abstract: PURPOSE: A manufacturing method of a printed circuit board is provided to effectively and securely fill up a blind hole with insulative resin and suppress a bubble generating in the insulative resin as well. CONSTITUTION: In a manufacturing method of a printed circuit board comprising a process of coating insulative resin on a surface of a printed circuit board having a blind hole and a process of filling up the insulative resin in the blind hole, the printed circuit board coated with the insulative resin is kept in a low pressure atmosphere of 1.3 to 666 hPa, and then the insulative resin is hardened, so that the insulative resin is filled up in the blind hole appropriately.
Patent KR-20010063716-A (KR)
Inventor: JI YEON HYEOK
IPC: H01L21/8242
Filed: 1999-12-24
Abstract: PURPOSE: A method for manufacturing a capacitor of a semiconductor device is provided to prevent oxidization of a lower polysilicon layer and to maintain constant capacitance, by forming a (Ta, Al)N layer between a lower polysilicon electrode and a tantalum oxide layer used as a dielectric layer. CONSTITUTION: A polysilicon layer is formed on a semiconductor substrate(11) having a predetermined structure. A (Ta, Al)N layer(15) is formed on the polysilicon layer to form a lower electrode. After a tantalum oxide layer(16) is formed on the entire structure, an upper electrode is formed.
Patent KR-20010065672-A (KR)
Inventor: KIM HYEON SU
IPC: H01L21/28
Filed: 1999-12-30
Abstract: PURPOSE: A method for forming a dual gate dielectric film is provided to improve an electric characteristic of the device by allowing a gate insulating film in a logic region to have a high dielectric constant. CONSTITUTION: The method for forming a dual gate dielectric film forms a pre-processing film(15) on a semiconductor substrate(10) by a pre-processing process. A high dielectric film(20) having a high dielectric constant is stacked on the resulting surface. The first photoresist film through which a memory region is exposed is stacked on the resulting surface. The high dielectric film and the pre-processing film in the memory region are removed by etching. A gate oxide film(40) is stacked on the semiconductor substrate in the memory region by means of oxidization process. A gate electrode layer(50) is stacked on the resulting surface. Then, the second photoresist film is stacked and is then etched to form a memory gate and a logic gate.
Patent KR-20010029520-A (KR)
Title: 스위치 접점을 필요로 하지 않는 안테나 임피던스망
IPC: H01Q1/24
Filed: 1997-09-16
Abstract: 기계적인 스위치 접점을 포함하지 않는 안테나 임피던스 정합망(5)을 제공하는 장치가 개시되어 있다. 신축 안테나(20)는 안테나의 신장위치와 수축위치 사이을 이동하는 전도판(35)을 포함한다. 전도판이 신장위치에 위치할때, 전도판의 위치에 응답하는 임피던스 정합 회로(50)가 안테나(25)와 무선전화의 증폭기 사이에 접속된다. 수축된 위치로의 전도판의 위치에 응답하여, 안테나가 전도판과 단락된 임피던스 정합회로의 전도코일(80) 사이의 용량성 효과를 개재하여 증폭기에 직접 접속되도록 단락된다.
Patent KR-20000048498-A (KR)
Title: Steering mechanism of driving transmission
Inventor: HIDAKA SHIGEMI
IPC: B62D11/18
Filed: 1997-06-09
Abstract: PURPOSE: A steering mechanism of driving transmission is provided for an operation mechanism of an HST type transmission apparatus applied to a crawler type working vehicle, wherein the apparatus has a driving HST constituting a non-stage transmission mechanism for speed changing and a steering HST constituting a non-stage transmission mechanism for turning. CONSTITUTION: In an operation mechanism of an HST system transmission apparatus of the type in which an HST system non-stage transmission mechanism for driving and an HST system non-stage transmission mechanism for turning are disposed, the HST system non-stage transmission mechanism is operated by a transmission lever and the HST system non-stage transmission mechanism for turning is operated by a round operation wheel, a steering mechanism can make a turning operation matching turn feeling desired by an operator in turning at both low and high speeds. Namely a in the operation of the HST system transmission apparatus wherein the HST system non-stage transmission mechanism (25) for driving is operated by a transmission lever and the HST system non-stage transmission mechanism (28) for turning is operated by a round operation wheel (19), a speed ratio between right and left driving devices is changed in accordance with the operation turning angle of the round operation wheel (19). The turning radius is changed, even with the same operation turning angle of the round operation wheel (19), by the difference of the operation angle of the transmission lever.
Patent KR-20000049071-A (KR)
Title: Low profile connector
Inventor: HOUTZ TIMOTHY W
IPC: H05K3/34
Filed: 1999-04-10
Abstract: PURPOSE: A low profile connector is provided a high I/O density and a reduced stacking height. CONSTITUTION: Retention areas in the respective mating connectors(20,52) are utilized to receive portions of opposed mating contact terminals(28,72). Utilization of centralized retention structures allow optimum placement of recessed areas(46) to receive distal portions of mating contact terminals(72). These centralized retention structures also allow maximization of contact beam length in the limited available space, so that favorable contact characteristics are achieved. Contact insertion/retention features are positioned at intermediate locations of the contact beams, for enhanced contact retention and improved beam performance. Terminal contacts may be retained in a passage by projections that engage openings formed in the retention portion of the contact terminal.
Patent KR-20000075797-A (KR)
IPC: H04N21/61
Filed: 1998-02-24
Abstract: 디지털 텔레비젼에 사용되는 직접 방송 위성 신호의 직접 하향 변환용 컨버터. 위성 접시로부터 수신된 직접 방송 위성 신호는 증폭되고 다음에 전형적으로 범위가 950MHz에서 2150MHz의 L대역의 소정 주파수 대역으로 위성 접시 어셈블리가 포함된 서브시스템의 Low Noise Block(LNB)내로 하향 이동된다. 신호는 다음에 동축 케이블을 통하여 실내에 위치된 셋탑 박스 유닛으로 전송되고, 집적화와 인접한 채널의 제거 및 아날로그 대 디지털 컨버터의 안티-에일리어시용 칩 능동 필터를 포함하는 단일 집적 회로에 의한 바람직한 실시예에서 수신된 주파수로부터 기저대역으로 직접 변환된다. 광범위 가변 이득 증폭기의 사용, 밀접한 제어 동상의 발생과 하향 변환 혼합기의 직교 성분과 오프셋 보상은 기저대역 동상과 종래 기술을 사용하는 데이터 재생을 위한 충분한 품질의 직교 성분을 제공한다.
Patent KR-20000053610-A (KR)
Title: Variable flank relief for scroll wraps
Inventor: BUSH JAMES W
IPC: F04C18/02
Filed: 2000-01-26
Abstract: PURPOSE: A variable flank relief for scroll wraps is provided to correct for rotational misalignment on non-constant generating radius scroll compressor wraps. CONSTITUTION: A scroll compressor having a non-uniform generating radius for its scroll wraps is formed to have a flank relief which is greatest at locations having the highest generating radius. In scroll compressors having non-uniform generating radii, there is an increased likelihood of contact at the areas (A,B,C,B') having the highest generating radius. Thus, flank relief is provided at the areas having the higher generating radii. In addition, the flank relief is preferably proportional to the generating radius. Further at areas having a generating radius below a predetermined minimum, no flank relief is necessary.
Patent KR-20000057889-A (KR)
Title: Lithographic projection apparatus
Inventor: DENBOEPEU ARIEJEPEURI
IPC: G03F9/00
Filed: 2000-02-02
Abstract: PURPOSE: A lithographic projection apparatus is provided to have a radiation of a laser as a light source for an interferometer modulated by a phase modulator and to eliminate a spurious noise of an alignment signal, by having an interferometer aligning system generate the alignment signal for repeatedly aligning a reticle with a wafer. CONSTITUTION: A lithographic projection apparatus comprises: a radiation system for providing a radiating projection beam; a mask table; a wafer table; a projection system; a coherent radiation source; and a detector(24). The mask table has a mask holder for fixing a mask. The wafer table has a wafer holder for fixing a wafer(12). The projection system projects a radiation part of a mask(10) on an end part of the wafer. The detector detects a predetermined signal generated by an interference between beams radiated from the coherent radiation source. A detection of at least one spurious signal generated by an interference from at least one spurious beam in the system is controlled by a phase modulator for modulating a phase of a radiation from the coherent radiation source.
Patent KR-20010077589-A (KR)
Title: Power consumption apparatus for indoor units in multi inverter airconditioner
Inventor: SIM MIN SEOP
IPC: F24F11/00
Filed: 2000-02-03
Abstract: PURPOSE: An electrical energy metering apparatus is provided to calculate actual electrical energy consumption of each of plural indoor units by using the load amount of each indoor unit and operating time of electromagnetic valve. CONSTITUTION: An apparatus comprises a plurality of indoor unit control units(100-104) for controlling a plurality of indoor units; and an outdoor unit control unit(200) for calculating load amount of each of indoor unit control units, and determining electrical energy consumption in accordance with the result of calculation. The outdoor unit control unit includes a data storing section(220) for storing capacity value of indoor unit; an outdoor unit micro computer(210) for computing load amount for each indoor unit by the capacity value of the corresponding indoor unit stored in the data storing section and the current temperature of the corresponding indoor area, and computing actual electrical energy consumption for each indoor unit in accordance with the computation result; and a display section(230) for displaying the actual electrical energy consumption computed in the outdoor unit micro computer.
Patent KR-20010084591-A (KR)
Title: Magnetic recording medium
Inventor: CHO HYEON SU
IPC: G11B5/84
Filed: 2000-02-28
Abstract: PURPOSE: A magnetic record medium is provided to prevent coating defects in a high-speed injection coating as well as ensure excellent electric conversion and endurance by adjusting the viscosity of a magnetic paint. CONSTITUTION: A magnetic record medium is manufactured by coating a magnetic paint on one surface of a non-magnetic substrate through injection coating, and has a viscosity satisfying the following conditions: The paint has a viscosity of under 20cps at a high shearing rate, and a viscosity of under 500cps at a low shearing rate; and a structural viscosity factor (i.e., low shearing rate divided by high shearing rate) is 5 to 50. If the viscosity is over 20cps in the high shearing rate, a uniform coating layer is not obtained and creates defects. If the viscosity is over 500cps in the low shearing rate, the magnetic paint has a nonuniform surface before being dried to cause bad electric conversion features.