baber/WOPTO huggingface dataset:
Patent KR-20030003579-A (KR)
Title: Manufacturing method of base for semiconductor device using material of GaN series
Inventor: BAE NAM JIN
IPC: H01L21/20
Filed: 2001-07-03
Abstract: PURPOSE: A substrate for semiconductor device and a method for fabricating the same are provided to improve a characteristic of a semiconductor substrate for fabricating the semiconductor device formed by a GaN-based material. CONSTITUTION: A growing layer(60) is formed by depositing a sapphire on a silicon substrate(50). The sapphire is grown on the silicon substrate(50) by using atomic layer deposition method or an atomic layer chemical vapor deposition method. A buffer layer(70) is formed on an upper surface of the growing layer(60). The buffer layer(70) is formed with various kinds of nitride. An n-GaN-based crystalline layer(80) is formed on the buffer layer(70). An active layer(90) is formed on the GaN-based crystalline layer(80). A p-GaN-based crystalline layer(91) is formed on the active layer(90). An n-electrode(92) and a p-electrode(93) are formed on the n-GaN-based crystalline layer(80) and the p-GaN-based crystalline layer(91), respectively.
Patent KR-20010079297-A (KR)
Inventor: SHIN DONG WOOK
IPC: G06F17/00
Filed: 2001-07-05
Abstract: PURPOSE: A method for locking an electronic document transmitted through a network is provided to maintain the security of information transmitted between a transmitter and a receiver by giving a lock function to an electronic document transmitted through a network, and by secretly maintaining the document for a fixed time. CONSTITUTION: Each user's computer is connected to a server which controls that an electronic document is received from each user computer or stored. The server enables a user who wants to transmit the electronic document to select a lock function among one or more lock functions. The server enables the user to input solution information on the lock function and adds information on the lock function selected and the solution information to the electronic document. The server checks whether the lock function is set to the electronic document. In case that the function is set, solution information on the function is inputted. In case that the solution information is identical to the solution information added to the electronic document, the electronic document is opened.
Patent KR-20030005973-A (KR)
Title: Apparatus for Multiplexing in ATM Switching System
Inventor: KIM HONG SEONG
IPC: H04L12/433
Filed: 2001-07-11
Abstract: PURPOSE: A multiplexing device for an ATM(Asynchronous Transfer Mode) switch is provided to simplify the composition of a FIFO control unit without the degradation of a cell processing performance by scanning a PHY address in a cell transmitted to a FIFO, securing information of a cell to be processed next, and responding to a scan signal of a cell processing unit on the basis of secured cell information. CONSTITUTION: A subscriber board interface unit(100) adds PHY addresses to cells received from a plurality of subscriber boards, and outputs the cells. A FIFO(200) stores the cells output from the subscriber board interface unit(100). A cell processing unit(400) reads the cell from the FIFO(200), and generates a scan signal for confirming whether a cell to be read next exists. A FIFO control unit(300) controls the FIFO(200) so that the cell processing unit(400) reads the cells stored in the FIFO(200) on the basis of a PHY address scanned from the cell transmitted from the subscriber board interface unit(100) to the FIFO(200), a cell available signal for indicating the existence of one ore more data to be processed, and the scan signal received from the cell processing unit(400).
Patent KR-20030006318-A (KR)
Title: Engine mount for vehicle
Inventor: AHN HONG GUK
IPC: B60K5/12
Filed: 2001-07-12
Abstract: PURPOSE: An engine mounting for a vehicle is provided to prevent the generation of the booming noise by suppressing the generation of noise and improving the vibration insulating effect. CONSTITUTION: An engine mounting(100) for a vehicle comprises a mount rubber(110) having a specific spring constant, an upper plate(120) having a bent portion for covering the upper outer portion of the mount rubber and a connecting bolt(121) protruding upward onto the center portion, a lower plate(130) installed in the lower portion of the mount rubber, a stopper case(140) having a mount rubber receiving section(145) in which the mount rubber is received, and a screw(150) combined to the mount rubber in the stopper case. The mount rubber is combined while being supported on the stopper case with the screw. When assembling the engine mounting with an engine, the rotation of the mount rubber is restrained by the screw. Thus, the engine mounting is assembled firmly.
Patent KR-20030014452-A (KR)
Inventor: JUNG IN HO
IPC: G11B33/02
Filed: 2001-08-11
Abstract: PURPOSE: An optical disc storage case is provided to store an optical disc in the storage case using fixing parts provided at top and bottom plates of the optical disc storage case to prevent the optical disc from being damaged when the optical disc is fixed/separated to/from the storage case. CONSTITUTION: An optical disc storage case includes a bottom plate(40) having the first fixing part(44) at the center, and a top plate(42) having the second fixing part(46) corresponding to the first fixing part. The first and second fixing parts fix an optical disc(50) stored in the optical disc storage case. One of the top and bottom plates has the third fixing part(48) for preventing the optical disc from moving and allowing the optical disc to be easily stored in the case. The first and second fixing parts fix the optical disc in such a manner that the first and second fixing parts push the inner circumferential part of the optical disc to each other.
Patent KR-20030015711-A (KR)
Title: Measuring and controlling method of toner color density for liquid electrophotographic printer
Inventor: KIM MIN SEON
IPC: G03G15/10
Filed: 2001-08-17
Abstract: PURPOSE: A method for measuring and controlling a color toner concentration of a wet type electrophotographic printer is provided to easily control output of an image developed on a photosensitive belt. CONSTITUTION: A reference patch is developed on a photosensitive belt(S2). A liquid carrier of the reference patch is dried(S4). A transfer roller that comes into contact with an image on the photosensitive belt and a cleaning unit are separated from the photosensitive belt, and then a color toner concentration of the dried reference patch is measured(S5). The cleaning unit includes a squeeze rollers. The color toner concentration is measured using a color toner concentration sensor.
Patent KR-20030017108-A (KR)
Title: Basic Castables
Inventor: JUNG DU HWA
IPC: C04B35/04
Filed: 2001-08-24
Abstract: PURPOSE: A magnesia-spinel castable refractory composition is provided, which has impact resistance, spalling resistance and infiltration resistance by including calcined alumina and silica flower instead of alumina cement as a binder. CONSTITUTION: The basic castable refractory composition comprises basic raw materials containing 20-25wt.% of spinel clinker powder, 5-10wt.% of ultrafine calcined alumina less than 0.5micrometer in size, and the balance of magnesia clinker, and other materials, calculated by extrapolation, containing 1-3wt.% of ultrafine silica flour with a size of 0.1-0.2micrometer, 1-3wt.% of steel fiber with high thermal conductivity and heat-resistance such as austenite stainless steel, and 0.1-0.4wt.% of sodium hexametaphosphate.
Patent KR-20030020597-A (KR)
Title: Al Alloy for Injection Mold and Fabrication Method of thereof
Inventor: KIM YEONG MAN
IPC: C22C21/10
Filed: 2001-09-04
Abstract: PURPOSE: Provided is an Al-alloy for injection molding of high strength plastics, which has superior mechanical properties compared with conventional Cu-alloy for injection mold, and a fabrication method thereof is also provided. CONSTITUTION: The Al-alloy for injection molding of high strength plastics comprises Al 4.3 wt.%, Zn 2.6 wt.%, Mg 0.7 wt.%, Cu 0.1 wt.%, Cr 0.5 wt.%, Ti 0.005 to 0.05 wt.% and a certain amount of Be.
Patent KR-20030021283-A (KR)
Title: Propolis Extract Malt Whiskey
Inventor: KIM WON JIN
IPC: C12G3/02
Filed: 2001-09-05
Abstract: PURPOSE: A process for preparing malt whiskey containing an ethanol extracted propolis is provided, thereby the malt whiskey having various healthful effects of propolis can be prepared. CONSTITUTION: The process for preparing malt whiskey containing an ethanol extracted propolis comprises the steps of: germinating barley at 45 to 50deg. C for 3 to 4 days to prepare malt; drying the malt in a stainless steel tank at 65 to 70deg. C for 2 to 3 hours using charcoal of poplar trees; mixing the dried malt with 40% of corn and oats and 60% of water extracted propolis(WEP) and homogenizing the mixture at 9000rpm for 15 minutes; mixing 70% of ethanol extract propolis with 30% of yeast and fermenting the mixture at 50 to 55deg. C for 5 to 6 hours; centrifuging the fermented liquor at 7000rpm for 15 minutes; distilling the centrifuged liquor together with 60% of water extracted propolis(WEP), second distilling it together with 70% of ethanol extracted propolis(EEP) and third distilling the distilled liquor; cooling and filtering the distilled liquor in three times; and maturing the filtered liquor in a cask made of poplar trees at 3 to 8deg. C for 4 to 5 years.
Patent KR-20030021054-A (KR)
Title: Method for financial credit services by finger print for identifying user
Inventor: KIM YOUNG HA
IPC: G06K9/00
Filed: 2001-09-05
Abstract: PURPOSE: A method for a financial transaction using fingerprint information and a system thereof are provided to implement a financial transaction freely using an ID and fingerprint information of a user without using a credit card or a debit card. CONSTITUTION: A user inputs an ID and transmits the ID to a credit card company main server through a credit transaction terminal mounted in a member store(S200). It is checked whether the ID is a registered in a member DB(S211). It is checked whether the user having the ID loses one's confidence(S212). The credit card company main server requests an input of a transaction wanted amount of money to the credit transaction terminal(S300). A credit transaction possible amount of money of the user is compared with the transaction wanted amount of money(S400). If a transaction condition is satisfied, the credit card company main server requests an input of fingerprint information of the user to the credit transaction terminal(S500). A registered fingerprint information is read and compared with the inputted fingerprint information(S600). If the registered fingerprint information is identified with the inputted fingerprint information, a financial transaction is approved(S700).
Patent KR-20020066167-A (KR)
Inventor: PARK WON HO
IPC: H01L27/115
Filed: 2001-09-10
Abstract: PURPOSE: A non-volatile memory(NVM) device is provided to improve a characteristic of an electrically erasable programmable read only memory(EEPROM) cell and to reduce the size of the EEPROM cell, by increasing the effective channel length of a memory transistor without increasing the size of the cell. CONSTITUTION: A gate insulation layer(411) includes a tunnel insulation layer formed on a semiconductor substrate(400). A gate(450) of the memory transistor is formed on the gate insulation layer including the tunnel insulation layer. A gate(460) of a select transistor is formed on the gate insulation layer, separated from the gate of the memory transistor. The first impurity region is formed in the substrate under the tunnel insulation layer, having a predetermined junction depth. The second impurity region is formed in the substrate, having a predetermined junction depth and separated from the first impurity region. The second impurity region forms a source region overlapping a predetermined portion of the gate of the memory transistor. The third impurity region is formed in the substrate, having a predetermined junction depth and separated from the first impurity region. The third impurity region forms a drain region(449) overlapping a predetermined portion of the gate of the select transistor. The second impurity region is composed of a low density impurity region and a high density impurity region. The second impurity region is shallower than the first and third impurity regions.
Patent KR-20030022631-A (KR)
Title: An apparatus for measuring the torque of overload breaking safety element in a roll mill
Inventor: KANG SEUNG GYU
IPC: B21B37/00
Filed: 2001-09-11
Abstract: PURPOSE: An apparatus for measuring load of overload breaking safety element in rolling mill is provided to protect facility and prevent operation stopping accident, thereby improve operation productivity by measuring critical load of the safety element and critical fracture strength of shear pin accurately and simply. CONSTITUTION: The apparatus for measuring load of overload breaking safety element in rolling mill comprises a fixed part comprising a plural measuring dies(11,12,13) at one end of which mounting holes(11a,11b,11c) are penetratingly formed, the safety element is inserted into the mounting holes(11a,11b,11c) so that it is difficult that the safety element is fallen into the lower side, and at the other end of which rotation holes(11b,12b,13b) rotationally assembled with a vertical rotation pin(14) are penetratingly formed, wherein the fixed part selectively lifts the safety element; and a pressing measuring part(30) comprising a hydraulic jack(31) in which a press socket(32) is removably assembled with the front end of rod corresponding to the mounting holes(11a,11b,11c), and which is fixed to a horizontal frame(5) of an upper base(7), and pressure gauges(33a,33b) which measure pressing force for pressurizing to the lower side a shaft member of the safety element put on the measuring dies(11,12,13) using hydraulic pressure transmitted from a hydraulic pressure tank(35) of a lower base(3), in which the pressing measuring part(30) detects critical load during generation of separating sound of the shaft member.
Patent KR-20030023958-A (KR)
Title: Device for controlling torque of seat recliner spring
Inventor: YOO CHANG HUN
IPC: B60N2/22
Filed: 2001-09-14
Abstract: PURPOSE: A torque adjuster for a recliner spring of a seat is provided to increase torque of a spiral spring by pushing a fitting piece with a spring hook in rotating a bolt with a driver at decrease of torque of the spiral spring. CONSTITUTION: A torque adjusting device of a recliner spring is composed of a body fixed in an upper operating member(3); a bolt rotated and inserted to the body; a bolt cap fixed in the rear end of the body to restrict the bolt from being displaced backward; and a moving member having a bolt shape part inserted to the body and a nut shape part of the bolt, and the other end protruded in front of the body and integrally formed with a spring hook(9). The moving member is moved back and forth with rotating the bolt. Torque of the spiral spring is increased with pushing the fitting piece of the spiral spring by the spring hook.
Patent KR-20020022594-A (KR)
Title: Optical element deformation system
Inventor: GELLRICH BERNHARD
IPC: G02B27/00
Filed: 2001-09-19
Abstract: PURPOSE: Optical element deformation system is provided, which is related to an optical element deformation system in an imaging device for the purpose of eliminating image errors or for active adjustment. CONSTITUTION: In accordance with FIG. 1, a mirror(1)is provided with piezoelectric elements(3) on its rear(2) as surface to be deformed. Two piezoelectric elements(3), which form the shape of a cross, are provided in accordance with the illustration. Capacitive ranging sensors(4) at a short distance from the rear(2) are provided in order to detect the state of deformation. The piezoelectric elements(3) are piezoelectric ceramic films (PZT films) which are integrated in the mirror material or bonded onto the rear(2), and which can, for example, have a thickness of a few mum. When the PZT films are being driven, they experience in accordance with the piezoelectric effect a strain which impresses forces on the mirror via the connection with the mirror substrate, and this leads to deformation of the mirror. Multifarious "patterns" are conceivable for generating any desired states of deformation in any desired angular orientation. As a rule, the piezoelectric elements will be provided for low corrugations, although these are not, of course, restrictive.
Patent KR-20030026575-A (KR)
Title: Data Analysis System and Method capable of Managing Customer Relations
Inventor: CHOI GYEONG HYEON
Filed: 2001-09-26
Abstract: PURPOSE: A data analysis system and method is provided to enable a user to set some analysis conditions, then to analyze data on customers who are the marketing targets of the user, and to graphically display the analysis result. CONSTITUTION: The system comprises a key input device(10), a data input thread(20), a data conversion thread(30), a database matching thread(40), an algorithm thread(50), a result analysis thread(60), a storage(70), a monitor(80), and a CPU(90). The key input device(10) inputs a name of a database, which stores customer data, a cluster number, and parameters, dependent or independent. The data input thread(20) offers a data input form, and transmits data elements, input via the data input form, to the CPU(90). The data conversion thread(30) standardizes the input data. The database matching thread(40) matches the database according to a user selection for applying stored data to this system. The algorithm thread(50) operates a K prototype algorithm according to a data type, for example, a numerical type or a range type. The result analysis thread(60) constructs a graph for the operated result. The storage(70) temporarily stores the element data or the middle value of the algorithm operation result. The CPU(90) analyzes the data by executing the threads(20, 30, 50) based on the data element, and controls the display of the analysis result on the monitor(80).
Patent KR-20030027448-A (KR)
Title: Optical modulator and manufacturing method thereof
Inventor: KIM HWA NYEON
IPC: G02F1/035
Filed: 2001-09-28
Abstract: PURPOSE: An optical modulator and a method for manufacturing the same are provided to disperse stress generated due to a mechanical driving of ribbons to an oxide film by forming straight type ribbons and the oxide film, thereby securing the stability of the mechanical driving. CONSTITUTION: An insulating layer(51) and an oxide film(52) are deposited on a silicon substrate(50) in order. A center part of the oxide film is etched to expose the insulating layer. A lower electrode(53) is formed in the center of the insulating layer by depositing and patterning tungsten. Amorphous silicon is deposited and is patterned to form amorphous silicon patterns which is a sacrificial layer. A plurality of straight type ribbons(55) are formed by depositing a nitride film. A plurality of upper electrodes(56) are formed on the ribbons by depositing and patterning aluminum. The amorphous silicon is selectively removed to form an air layer.
Patent KR-20030029424-A (KR)
Title: V.V.T(Variable Valve Timing)
Inventor: PARK SANG WOO
IPC: F01L1/34
Filed: 2001-10-05
Abstract: PURPOSE: A variable valve timing control method is provided to achieve improved engine output and fuel efficiency, while reducing noxious components of exhaust gas. CONSTITUTION: A variable valve timing control method is characterized in that a device similar to an automatic timer of an injection pump is mounted to a sprocket of a cam shaft of a vehicle engine. The rotation of the cam shaft is controlled by the phase difference provided to the cam shaft in accordance with the engine RPM, to thereby achieve improved fuel efficiency.
Patent KR-20030030301-A (KR)
Inventor: YUM JU BAEK
IPC: A47L9/02
Filed: 2001-10-09
Abstract: PURPOSE: A suction nozzle of a vacuum cleaner is provided to improve convenience by efficiently cleaning the horizontal floor and the corner between the horizontal surface and the vertical surface with opening the auxiliary nozzle to the body. CONSTITUTION: A suction nozzle of a vacuum cleaner is composed of a body(12) connecting to an extension pipe of the vacuum cleaner and having a vertical suction part(12a), and an auxiliary nozzle(14) turning around a hinge shaft in the lower part of the body and having a suction part(14a) in the lower part. The suction part of the body is exposed vertically by turning the auxiliary nozzle up, and foreign matters are sucked by contacting the suction part to the corner between the horizontal surface and the vertical surface.
Patent KR-20030032269-A (KR)
Title: a oxygen suppling apparatus for a water purifier
Inventor: KU JA MYUNG
IPC: B01D35/00
Filed: 2001-10-17
Abstract: PURPOSE: Provided is an oxygen supply device of a water purifier for increasing dissolved oxygen content in a purified water to serve flesh water to a user. CONSTITUTION: In a water purifier(10) comprising a body(11), a plurality of filters(14), a water tank(15) for storing purified water therein, a cooling container(16) being connected to the water tank(15) and a cooling device which are installed in the body(11), and a cold water drain caulk(12) connected to the cooling container(16), the oxygen supply device(20) of the water purifier(10) comprises a container with an air inlet(21); a filter cartridge(30) including an unwoven cloth filter plate(31), a carbon filter plate(32) and a ceramic filter plate(33) and being coupled to the air inlet(21); an air outlet(22); and a hose coupled to the air outlet(22) at an end, wherein the oxygen supply device(20) is installed in the water purifier(10) and the other end of the hose(23) of the device(20) is coupled to the cooling container(16) of the water purifier(10).
Patent KR-20020032343-A (KR)
Title: Shaft sealing apparatus
Inventor: MORI HIROKI
IPC: F16C33/72
Filed: 2001-10-24
Abstract: PURPOSE: A shaft sealing apparatus is provided to excellently seal gap between a driving shaft and other parts around the driving shaft and to simplify the constitution with reduced size. CONSTITUTION: A shaft sealing apparatus comprises a vacuum casing(110) formed with a vacuum chamber(111), driving shafts(130,140) having outer cylindrical surfaces(130b,140b) and movably extending in the vacuum chamber of the vacuum casing, and sealing rings(153,163) in the form of an annular ring shape and including a sealing lip held in contact with the outer cylindrical surface of the driving shaft, annular spring members operative to impart a force to the sealing lip to ensure that the sealing lip is held in tight contact with the outer cylindrical surface of the driving shaft, and a peripheral portion radially outwardly extending from the sealing lip. The outer cylindrical surface of the driving shaft is smaller in surface roughness than 0.1(mu m).
Patent KR-20030033900-A (KR)
Title: Dryness measurement device for dryer
Inventor: JUNG SEONG HAE
IPC: D06F58/28
Filed: 2001-10-25
Abstract: PURPOSE: A dryness measuring apparatus for a drier is provided to improve a drying state of laundry and to prevent laundry from being damaged by precisely measuring dryness of the drier. CONSTITUTION: A dryness measuring apparatus for a drier includes a resistance(R1). An electrode sensor(38) and a capacitor(C1) are connected to the resistance(R1) in series. Charged voltage of the capacitor(C1) is varied depending on a resistance value of the electrode sensor(38). A discharging circuit is formed at a contact point formed between the electrode sensor(38) and the capacitor(C1). The discharging circuit includes a resistance(R2) and a transistor(Q1), which is a switching device. When the transistor(Q1) is turned on, voltage charged in the capacitor(C1) is discharged. Charged voltage of the capacitor(C1) is supplied to a microcomputer through a resistance(R3).