baber/WOPTO huggingface dataset:
Patent KR-20010036401-A (KR)
Inventor: JI SEUNG HAK
IPC: H01L23/28
Filed: 1999-10-08
Abstract: PURPOSE: A resin molding apparatus for a semiconductor chip package is provided to prevent a break of a location pin caused by a cleaning material remaining in a pin hole. CONSTITUTION: The apparatus includes upper and lower mold dies each having a cavity. A lead frame, which a semiconductor chip is, attached thereon and wire-bonded thereto is disposed between the mold dies and molded with resin in a space formed by the cavities of the mold dies. One of the mold dies has the location pin extended toward the other mold die, and the other mold die has the pinhole receiving the location pin. In particular, the pinhole has a wider entrance than the bottom thereof. Therefore, when the cleaning material(55) such as melamine is supplied into the space to remove residual resin remaining in the cavity, the pinhole is not choked with the cleaning material(55) obstructing the insertion of the location pin.
Patent KR-20010038017-A (KR)
Inventor: LIM MUN SEOK
IPC: C21C1/02
Filed: 1999-10-21
Abstract: PURPOSE: A method for efficiently desulphurizing molten steel for manufacturing ultra low sulphur steel is provided to improve a desulphurization ratio of molten steel 20 to 30% more than an existing method, thereby stably manufacturing steel in which 10 ppm or less of sulphur content are required by deciding injection order and method of subsidiary raw materials and optimizing the operation pattern depending on a dissolved carbon level in molten steel and the tapping hole condition of a converter when terminating blowing in the converter process. CONSTITUTION: In a method for desulphurizing the molten steel after passing molten steel discharged from a converter through the bubbling process, the method comprises the steps of transferring the molten steel passing through the bubbling process to an LF (ladle furnace); preparing top slag having a superior sulphur distribution ratio £Ls=(%S)/(%S)|by dividedly injecting subsidiary raw materials into molten steel twice in the order of slag deoxidizer, CaO-Al2O3 flux, calcium oxide and silica (SiO2), and dolomite as increasing a temperature of the molten steel in the LF; and simultaneously carrying out top and bottom bubbling right after completing the temperature increasing operation of the molten steel so as to promote the reaction of the obtained top slag with the molten steel.
Patent KR-20010038082-A (KR)
Inventor: YOON JONG OK
IPC: B65G15/00
Filed: 1999-10-21
Abstract: PURPOSE: A device for preventing the slip of a raw material conveying belt is provided to remove slipping by preventing the decrease of the frictional force between a drum and a belt due to water and moisture, thereby improving the conveyance efficiency. CONSTITUTION: A device for preventing the slip of a raw material conveying belt includes a drum(D) forming one end connected with a driving motor(600) and the other end for fixing a hollow shaft(240) connected with a suction pump by passing through the center of both closed ends, and partially winding a belt(110) on an outer periphery, many intake holes(210) formed at the outer periphery of the drum along the longitudinal direction at regular intervals to be communicated with the hollow part of the shaft, and a sucker valve movably installed at the intake hole to maximize the frictional force between the drum and the belt.
Patent KR-20010038174-A (KR)
Inventor: KIM SEONG HWAN
IPC: H01L21/8242
Filed: 1999-10-22
Abstract: PURPOSE: A capacitor of a semiconductor memory device is provided to intensify a breakdown voltage of a dielectric layer between a storage electrode and a plate electrode even though mismatching between the storage electrode and a buried contact hole occurs. CONSTITUTION: A substrate(10) has a cell pad(40), which is exposed through a buried contact hole(53) of an interlayer dielectric(50). A storage electrode has a bar pattern(70) and a conductive spacer. The bar pattern is formed on the interlayer dielectric, electrically connected to the cell pad through the buried contact hole. The conductive spacer is formed on a sidewall of the bar pattern. A dielectric layer(80) is formed on the storage electrode. A plate electrode(90) is formed on the storage electrode by interposing the dielectric layer.
Patent KR-20000035082-A (KR)
Title: Process and apparatus for forming plastic sheet
Inventor: DAECHER JEFFREY LAWRENCE
IPC: B29C48/08
Filed: 1999-10-28
Abstract: PURPOSE: A process and an apparatus for forming plastic sheet are provided by which high quality plastic sheet which can be used in a variety of optical and electronic display applications, especially in a substrate for a liquid crystal display or a liquid crystal display cell is produced in a continuous fashion. CONSTITUTION: The process comprises the steps of: providing molten plastic resin by extrusion; directing the molten plastic resin to an overflow die having an inlet and an outlet; shaping the molten plastic resin into a molten web using the overflow die; guiding the molten web away from the overflow die; and cooling the molten web to form a solid sheet wherein the plastic resin is a polycarbonate containing as bisphenol components: (1) 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane; (2) a mixture of 2, 2-bis(4-hydroxyphenyl)propane and 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane; a blend of (1) and (2); or a blend of (1) or (2) with a second polycarbonate containing as a bisphenol component 2,2-bis(4-hydroxyphenyl)propane.
Patent KR-20010045032-A (KR)
Inventor: KANG DONG HUI
IPC: H04L27/32
Filed: 1999-11-02
Abstract: PURPOSE: A method for fixing pulse of a digital signal for improving efficiency of a band in a communication system is provided to improve the efficiency of the band in transmitting the modulated signal of a communication system by applying the pulse. CONSTITUTION: In a method for fixing pulse of a digital signal for improving efficiency of a band in a communication system, a few stages are provided. In the first stage, the option square pulse is generated and is output to the impulse response filter. In the second stage, the square pulse output in the impulse response filter and the half-sinusoid pulse are compounded with convolution. In the third stage, the piled pulse is generated as the result of compounding with convolution and is output. The impulse response filter is materialized as the filter of the MSK type.
Patent KR-20010045496-A (KR)
Inventor: KIM BYEONG SU
IPC: G08G1/133
Filed: 1999-11-05
Abstract: PURPOSE: A destination character and voice information system is provided to give a convenience to not only a general passenger but also a handicapped person, by informing a destination with a voice and a character, by interlocking a character information broadcasting to a destination voice information broadcasting. CONSTITUTION: A controller(10) controls a voice and character data signal as to a stop related to a line by a switch operation of a driver, and a voice guider(11) guiding a destination with a voice by receiving the data signal from the controller. An audio part(13) amplifies the voice information signal from the voice guider and outputs the destination as a voice sound through a speaker(12), and a destination character information display part(14) displays the destination in character by receiving the control signal from the controller. A character information reception part receiving information as to an advertisement or news from a character server is comprised in the destination character information display part. The character information reception part comprises a character reception part(15) receiving the character information from the character server and a control board(16) controlling and outputting the character information from the character reception part.
Patent KR-20010045838-A (KR)
Inventor: CHOI BYEONG HUI
IPC: F16M7/00
Filed: 1999-11-08
Abstract: PURPOSE: A horizontality controlling device of a radar shelter and a method thereof are provided to automatically control horizontality of the radar shelter by selectively operating power cylinders according to electric signals sensed by first and second horizontality sensors, thereby simplifying the horizontality control work and reducing the time required for the horizontality control. CONSTITUTION: A horizontality controlling device of a radar shelter includes a sensing part having a first horizontality sensor(26) horizontally mounted at a side of a radar shelter for detecting a horizontal position in back and forth direction and a second horizontality sensor(28) mounted perpendicularly to the first sensor for detecting a horizontal position in right and left direction, a microcomputer(22) for comparing an electric signal applied from the sensing part with a set value, and an operation part(24) having power cylinders(6,8,10,12) to be driven by a power supply signal of the microcomputer and supporting legs mounted at every direction of the radar shelter to be controllable in length by the operation of the power cylinders to support the radar shelter.
Patent KR-20000035564-A (KR)
Title: Method for disposing a laser blocking material on the interior of an airfoil
Inventor: REED GORDON M
IPC: F02C7/00
Filed: 1999-11-18
Abstract: PURPOSE: A method is provided which disposes laser blocking material prior to drilling cooling air holes with a laser into an airfoil having internal passages for cooling air. More particularly, the method includes steps for disposing laser blocking material in the cavity for blocking a laser beam from striking the interior as the hole is drilled to the internal passage through a wall of the airfoil. CONSTITUTION: A method for disposing laser blocking material 52 on the interior of an airfoil 10, such as a rotor blade or stator vane, includes shear thinning the material. Various steps are developed which promote decreases in viscosity of the blocking material. In one detailed embodiment, the material is passed through an injection molding machine 54 to provide shear thinning.
Patent KR-20010047854-A (KR)
Inventor: CHOI SEUNG NAM
IPC: H03L7/00
Filed: 1999-11-23
Abstract: PURPOSE: A digital frequency mixer having improved frequency spectrum characteristic is provided to improve frequency spectrum characteristic of numerically controlled oscillator by generating ideal sine wave to reduce spurious noise. CONSTITUTION: A numerically controlled oscillator replaces zero value in 0 address of sine signal with sine 45 degree value and uses symmetry in other to remove miss of sample value and sudden change of the value. The numerically controlled oscillator gives 0 in case of sine and 1 of maximum value in case of cosine exteriorly using logic circuit when the sample values in the zero address for sine and cosine of look up table should be used. Therefore the numerically controlled oscillator reduce spurious noise to improve frequency spectrum characteristic.
Patent KR-20000035768-A (KR)
Inventor: SZUKI KATHNORI
IPC: C23C16/44
Filed: 1999-11-30
Abstract: PURPOSE: A plasma processing apparatus and method thereof are provided to minimize particles in chamber and improve an operation rate by restraining a stripping of coated film or attached material. CONSTITUTION: In a plasma processing apparatus(10), surroundings of an upper electrode(14)and a lower electrode(16) are arranged to an upper and a lower quartz jigs(18,20), respectively. The lower quartz jig(20) further includes a stepped processing part(30) formed at inner edge portions of the lower quartz jig(20). The stepped processing part(30) has a rectangular platform(30a). The upper quartz jig(18) includes also a stepped processing part(30) formed at inner edge portions of the upper quartz jig(18). The stepped processing part(30) also has a rectangular platform(30a). Preferably, the stepped processing part(30) has concave and convex patterns composed of the rectangular platform(30a).
Patent KR-20010053816-A (KR)
Title: Rotary engine
Inventor: JEON SANG MO
IPC: F01C1/00
Filed: 1999-12-01
Abstract: PURPOSE: A rotary engine is provided to simplify the structure for reducing the weight of the engine and vibration, increase the intake/exhaust efficiency by removing any intake/exhaust valves, and improve the lubrication and sealing efficiency by slidingly driving all contact portions with surface contact, thereby reducing the fuel consumption. CONSTITUTION: A rotary engine includes a housing cylinder(1) formed with an arc type inner diameter with respect to a rotation shaft(3), a third partition(7) formed between a circumference of the housing cylinder and an intake/exhaust hole(9) of the housing cylinder, first and second partitions(5,6) mounted facing the third partition for compressing gas and transmitting the compressed gas gathered in front of a rotor(4) backwardly, a flow channel(16) formed between the first and second partitions, wherein the rotor is integrally formed with a rotation element(2) mounted in the housing cylinder to rotate with respect to the rotation shaft, so that the rotor rotates in association with the rotation element.
Patent KR-20000047985-A (KR)
Inventor: MATSUI SHIGEKAZU
IPC: C08F4/02
Filed: 1999-12-08
Abstract: PURPOSE: Provided is an olefin polymerization catalyst by the use of which an olefin (co)polymer can be obtained with a high polymerization activity, and also a process for olefin polymerization using the catalyst is provided. CONSTITUTION: An olefin polymerization catalyst comprises a transition metal compound (A) represented by the formula (I): M: atom of Group 3 to Group 11 U: R¬2-C, N, P A: N, P Q: R¬3-C, N, P S: R¬4-C, N, P T: R¬5-C, N, P m: 2 - 6 R¬1 - R¬5: hydrogen, hydrocarbon group, silicon-containing group or the like (When M is an atom of Group 6, R¬1 is not an aromatic hydrocarbon group.) n: number satisfying a valence of M X: halogen, hydrocarbon group or the like.
Patent KR-20010055080-A (KR)
Inventor: CHOI SANG SIN
IPC: H01J29/02
Filed: 1999-12-09
Abstract: PURPOSE: A tension mask frame assembly having an inner shield fastened is provided to be capable of promoting the alignment between a frame and the inner shield for welding and of reducing man hour according to assembling. CONSTITUTION: A frame(20) comprises first/second support members(21,22) spaced apart, and first/second elastic members(23,24) supported on both edges of the support members(141,142). A tension mask(30) has a plural of strips(31) forming slits(32) and is welded to the first/second support members(21,22). An inner shield(40) comprises first skirt parts(41a,42a) surrounding the elastic members(23,24), and second skirt parts(41b,42b) fixed to the support members(21,22). A fastening unit(50) fastens the first skirt parts(41a,42a) to the elastic members(23,24).
Patent KR-20000052456-A (KR)
Inventor: FUKUOKA TOSHIHIKO
IPC: H03M13/15
Filed: 1999-12-11
Abstract: PURPOSE: A reed-solomon decoding apparatus is provided which comprising means for monitoring occurrence of errors beyond an error correction capability and a degree of error correction. CONSTITUTION: A reed-solomon decoding apparatus(100) is composed of a reed-solomon decoder(1) and a correction state monitor(2),and the reed-solomon decoder(1) comprises a syndrome computer(3) for computing a syndrome of the input data, a Eucledean algorithm computer(4) for computing an error location polynomial and an error evaluation polynomial from the syndrome, and further computing a magnitude of an error on the basis of a result from a chain retrieval unit(5), the chain retrieval unit(5) for computing an error location, a differential value of the error location, and an error evaluation value from the error location polynomial and the error evaluation polynomial, an error corrector(6) for correcting data indicated by the error location data on the basis of the error location and the magnitude of the error, a data delay RAM(7) for holding the input data for a predetermined time, and an OR circuit(25) for implementing OR operation for error flags indicating errors, output from the Eucledean algorithm computer(4) and the chain retrieval unit(5) and outputting the result.
Patent KR-20010056541-A (KR)
Inventor: PARK SEUNG KI
IPC: H01H31/00
Filed: 1999-12-15
Abstract: PURPOSE: A power cut-off apparatus is provided to reduce power consumption, protect an electric device from a thunderbolt and by easily and completely cutting off power applied to the electric device by a manipulation of a remote controller, and minimize a power consumption since no additional power source is necessary. CONSTITUTION: An input power terminal plate(11) includes a fixed terminal(12) to which an input cable(1) is connected in the inner upper portion of a case(10). A movable terminal plate(16) is installed to face the fixed terminal plate at a bit isolated position and has a movable terminal(14) connected to the fixed terminal. An actuating unit(17) enables forward and backward movement of the mobile terminal plate(16), for which an electronic method or an electronic motor method can be selectively used. When power is supplied to a motor(20), a movable bar(18) fixed at the movable terminal plate is moved upwardly and maintained at the position. Accordingly, the input power is applied through the terminals(12,14) to an output cable(24). The power outputted through the output cable(24) is connected to the first power input unit of an electric device. The power supply unit for supplying power to the actuating unit(17) may be a battery charger(23). The motor(20) is initiated by an external remote controller. When a signal is given once by the remote controller, the motor is rotated in one direction to connect the movable terminal(14) to the fixed terminal(12), and then, when a signal is again given, the motor is rotated in the opposite direction to separate the movable terminal plate(16) from the fixed terminal plate(11). A manual switch(34) operates the movable terminal plate(16) in the vertical direction manually. The manual switch is operated by opening a cover case(30) and moving upwardly.
Patent KR-20010057000-A (KR)
Inventor: KIM I GON
IPC: H01J9/24
Filed: 1999-12-17
Abstract: PURPOSE: A thin film forming system for a flat panel display is provided to improve a productivity per unit device and unit time by synchronically forming a pattern of thin film on a plural of substrate. CONSTITUTION: A substrate feeding unit(12) is installed at the base(10) to move intermittently along to the length direction of base. The first through third film control units(14,14',14") are installed on the upper side of the base(10) to supply a film of each different kinds feeding each substrates by means of the substrate feeding unit(12). The first through third laser ablation units(16,16',16") are positioned on the upper plane of the through third film control units(14,14',14") for forming the first through third thin film pattern on the substrates. The film control unit(14) consists of the first roll winding the film, the second roll supplying for the spaced position of the first roll, the third roll and the forth roll supplying for the lower direction of the first roll and the second roll.
Patent KR-20010064984-A (KR)
Inventor: CHAE JONG SUN
IPC: G07F17/00
Filed: 1999-12-20
Abstract: PURPOSE: Provided is a vending machine including information service for a user. CONSTITUTION: The vending machine for providing information services comprises a data input device(100) for receiving information from servers; a supplementary controlling part(200) to receive data from the data input device(100) and to process the connection of a service center(600) with wireless communication; a communication access device(500) to wirelessly communicate with the service center(600) by receiving an output signal of the supplementary controlling part(200); the service center(600) to send a variety of information; and a printer(300) to print the received data.
Patent KR-20010063248-A (KR)
Inventor: KIM DONG CHAN
IPC: G01F23/00
Filed: 1999-12-22
Abstract: PURPOSE: An ultrasonic level meter for preventing erroneous sensing is provided to carry out precise measurement of a liquid level by completely cutting off the erroneous sensing factors such as frosting of a transmitting/receiving element, an excessive wave height of a liquid surface, the generation of foams and the like, thereby preventing various accidents in advance and improving the workability. CONSTITUTION: An ultrasonic level meter for preventing erroneous sensing includes a sealed cylindrical tube(102) immersed and fixed in a liquid at a lower part of a transmitting/receiving element(100), a detection plate(105) mounted in the cylindrical tube movably in the vertical direction, and a float(120) mounted outside the cylindrical tube to move the detection plate vertically according to a liquid level(L), so that the vertical movement of the detection plate is detected by the transmitting/receiving element for realizing the liquid level.
Patent KR-20010063473-A (KR)
Inventor: CHA TAE HO
IPC: H01L21/28
Filed: 1999-12-22
Abstract: PURPOSE: A method for manufacturing a gate electrode of a semiconductor device is provided to improve a leakage current characteristic, by forming a (TiO2)x(Al2O3)x-1 layer as a gate insulation layer, wherein the (TiO2)x(Al2O3)x-1 layer is composed of a titanium oxide layer and an aluminum oxide layer. CONSTITUTION: A (TiO2)x(Al2O3)x-1 layer(12) is formed on a semiconductor substrate(11). A conductive layer(13) is formed on the entire structure. The conductive layer and the (TiO2)x(Al2O3)x-1 layer are patterned to form a gate electrode. The x in the (TiO2)x(Al2O3)x-1 layer has a range from 0.05 to 0.85.
Patent KR-20000048434-A (KR)
Inventor: KOIKE HIROSHI
IPC: G06Q30/06
Filed: 1999-12-27
Abstract: PURPOSE: A digital contents selling system for selling digital contents is provided to prevent the illegal use of the sold digital contents. CONSTITUTION: Identification information of digital contents selected by a customer is received (504). Personal digital contents are generated by setting identification information for identifying the customer in the selected digital contents as status information for permitting the customer to replay the selected digital contents(510). The generated digital contents are sold. Thereby, a technique is provided for preventing the illegal use of the sold digital contents.
Patent KR-20010061502-A (KR)
Title: Flash memory cell array
Inventor: LEE SANG YONG
IPC: G11C16/00
Filed: 1999-12-28
Abstract: PURPOSE: A flash memory cell array is provided to increase the reliability of the flash memory cell array by reducing the influence by leakage current of over-erased cells during programming or reading operations. CONSTITUTION: The flash memory cell array includes a path transistor which is formed around a contact which electrically couples a metal wire and a common source line. The path transistor is formed on the common source line and is driven by a select signal according to the selected cell. The path transistor is further formed by implementing conductive material on the common source line. Alternatively, when another conductive material such as polysilicons on an upper portion of the source which is formed by diffusing impurities, the conductive material can operate as the path transistor.
Patent KR-20010061691-A (KR)
Inventor: CWON HYUN OAK
IPC: B65D17/00
Filed: 1999-12-28
Abstract: PURPOSE: An effective advertisement surface and a position of a stopper are provided to utilize the upper portion of a half of a can and to use other sides as a can opener and an opening. CONSTITUTION: An advertisement face(2) is positioned on a top within a middle line(3) of a cover surface and forms an integrated face for viewing the entire advertisement. A can opener(4) is constituted as an example of the design corresponding to a general method while the opener is located at the center of a line so a location of the opener is visibly grasped to be offered as an instrument for holding easily. Moreover, when a user drinks, the advertisement face is visibly recognized thus advertisement effects are enhanced and offered as an instrument to increase sales. An inconvenient position of a handle to recognize at the existing opener position is relieved and at the same time, the use of constitution applying characters is available.