baber/WOPTO huggingface dataset:
Patent KR-20040001987-A (KR)
Inventor: DONG CHA DEOK
IPC: H01L21/8247
Filed: 2002-06-29
Abstract: PURPOSE: A method for manufacturing a flash memory device is provided to improve uniformity of breakdown voltage and wafer by recessing the top layer of ONON dielectric film. CONSTITUTION: A semiconductor substrate(102) defined by a cell region(MC) and a peripheral region is prepared. The peripheral region is defined by a high voltage region(HV) and a low voltage region(LV). A tunnel oxide layer(106) and a floating gate(110) are formed on the cell region. A dielectric film(112) of ONON structure is formed on the cell region. A top nitride layer(112d) of the ONON structure is partially recessed and pre-cleaning is performed to remove a native oxide existed on the peripheral region. The first gate oxide layer(114a) for high voltage and the second gate oxide layer(116) for low voltage are formed on the high voltage region(HV) and the low voltage region(LV), respectively. By depositing and patterning a polysilicon layer(118) on the resultant structure, a control gate is formed on the cell region and gate electrodes are formed on the high and low voltage region.
Patent KR-20040006615-A (KR)
Title: Joining device of front case and rear case in Mobile Phone
Inventor: PARK MIN HO
IPC: H04B1/38
Filed: 2002-07-13
Abstract: PURPOSE: An apparatus for connecting a front case with a rear case in a mobile communication terminal is provided to prevent that a close adhesion portion of the rear case and the front case becomes open, when an external force is locally provided to an antenna or the mobile communication terminal is dropped, by forming a connection portion in the front case. CONSTITUTION: A horizontal groove(122) is formed in a horizontal direction in an internal surface of an antenna groove(121) of a rear case(120). A connection flap(111) is protruded and installed in an internal surface of a front case(110) opposite to the antenna groove(121). The connection flap(111) has a vertical hole(112). A front end of the vertical hole(112) is inserted and installed in the horizontal groove(122), and a lower end of an antenna(130) is inserted and penetrated in the vertical hole(112).
Patent KR-20040008850-A (KR)
Title: Vibration decrease type fan and fan vibration decrease method
Inventor: OH IL GWON
IPC: F04D29/66
Filed: 2002-07-19
Abstract: PURPOSE: A blower and a method for reducing vibration of the blower are provided to effectively reduce noise generated from the blower by reducing vibration of the blower caused by rotation of blades. CONSTITUTION: A blower includes a driving motor, a hub(21) rotatably coupled to a rotating shaft of the driving motor, plural blades(31) aligned around the hub(21), a piezoelectric section(33) coupled to the blades(31) in order to convert mechanical energy of the blades(31) into electric energy, and a shunt circuit(35) for dissipating electric energy. Each of the blades(31) is protruded along an outer wall of the hub(21) in such a manner that the blades(31) are inclined with respect to an axis of the hub(21). The hub(21) includes a hollow cylindrical member(22) having a predetermined diameter. A shaft coupling hole(23) is formed at the center of the hollow cylindrical member(22).
Patent KR-20030013307-A (KR)
Inventor: TAKADO TSUMORU
IPC: H01L23/29
Filed: 2002-08-01
Abstract: PURPOSE: A sealing resin, a resin-sealed semiconductor using the sealing resin and a system-in-package containing the semiconductor are provided, to improve the distribution of fillers on different spaces or gaps for sealing by resin molding. CONSTITUTION: The sealing resin(11) comprises a resin component(12); and a filler(13) which is mixed in the resin component and has a grain size distribution having a plurality of grain size peaks. Preferably the filler comprises a spherical filler and a crushed filler having the grain size peak. Preferably the spherical filler has a maximum grain distribution peak at about 1.8 micrometers and an inclination angle (n) of 0.8-1.4 in a Rosin-Rammler diagram; and the crushed filler has a maximum grain distribution peak at about 10 micrometers and an inclination angle (n) of 0.6-1.4 in a Rosin-Rammler diagram.
Patent KR-20040013383-A (KR)
Title: Cleaning robot
Inventor: GEORGI SEVERINETS
IPC: A47L11/00
Filed: 2002-08-06
Abstract: PURPOSE: A cleaning robot is provided to effectively clean the corner by moving a brush assembly to the corner by the transformation of a bumper. CONSTITUTION: A cleaning robot is composed of a robot body(10) having a driving wheel(13), a suction port(14) installed at the bottom of the robot body, a suction unit generating suction force, a sensor unit detecting a running distance and an obstacle, a control unit receiving a signal from the sensor unit and controlling the driving wheel and the suction unit, a bumper(70) covering the circumference of the robot body, and a couple of brush assemblies(80,90). The brush assemblies are installed in the bumper, and move by the transformation of the bumper.
Patent KR-20020086326-A (KR)
Inventor: BAEK NAM IN
IPC: A61K31/352
Filed: 2002-08-09
Abstract: PURPOSE: Extract of Rosa multiflora, containing procyanidine B3 represented by formula, and the composition containing the same are provided. The extract has antioxidant activity and the composition is used for treatment or prevention of diseases arising from the active oxygen, preserver of the foods and for protection of skin injury from oxygen. CONSTITUTION: The extracting method comprises: extracting the whole root part of the Rosa multiflora with organic solvents such as acetone or ethanol; obtaining water and ethylacetate fractions by adding to the above ethanol extracts; obtaining water and butanol fractions from the above water fraction by adding butanol and separating by chromatography by passing through a silica gen column and an ODS column in sequence.
Patent KR-20040021459-A (KR)
Title: Room temperature ferromagnetic semiconductor grown by plasma enhanced molecular beam epitaxy and ferromagnetic semiconductor based device
Inventor: HAN SEOK HUI
IPC: H01L33/40
Filed: 2002-09-04
Abstract: PURPOSE: A room temperature operating ferromagnetic semiconductor fabricated by a PEMBE(Plasma-enhanced Molecular Beam Epitaxy) method and an electronic device using the same are provided to apply the magnetic semiconductor to a spin electron device by obtaining a characteristic of the magnetic semiconductor in the room temperature. CONSTITUTION: A room temperature operating ferromagnetic semiconductor fabricated by a PEMBE method includes a compound semiconductor of the third to the fifth group. The compound semiconductor is formed with one element A selected from Ga, Al, and In and one element B selected from N and P. The element A of the compound semiconductor is replaced by one element C selected from Mn, Mg, Co, Fe, Ni, Cr, and V. The Curie temperature of the room temperature operating magnetic semiconductor is more than the room temperature.
Patent KR-20040022970-A (KR)
Inventor: KIM JEONG JU
IPC: F04D13/16
Filed: 2002-09-10
Abstract: PURPOSE: An air feeding device for a pressurized water supplier is provided to improve efficiency of the pressure water supplier by automatically feeding air into a pressurized tank from the air feeding device. CONSTITUTION: An air feeding device for a pressurized water supplier includes a valve body(10), and an air suction guiding pipe(20). The valve body(10) is formed at an inner portion thereof with a fluid path(12) and is connected to a pressurized tank. The air suction guiding pipe(20) allows air to be introduced into the valve body(10). An air valve section is communicated with the air suction guiding pipe(20) in order to allow air to be introduced into the air suction guiding pipe(20) or to prevent air from being introduced into the air suction guiding pipe(20). An air storage tank(30) is installed at a lower portion of the valve body(10) in order to store air.
Patent KR-20020097078-A (KR)
Title: Method for confirming RBT Source in Subscriber-based Ring-Back-Tone Service
Inventor: HAM HUI HYEOK
IPC: H04W8/24
Filed: 2002-10-01
Abstract: PURPOSE: A method for confirming a sound source in a subscriber-based ringback tone service is provided to confirm the sound source of a subscriber or other subscriber without the occupation of an unnecessary trunk resource and a telephone call. CONSTITUTION: If the random first subscriber mobile terminal connects to an ARS(Automatic Response System)(55) through an origination MSC(Mobile Switching Center)(31)(S401), the ARS(55) performs an inquiry according to a predetermined scenario and the first subscriber answers to the inquiry through the key input of the first subscriber mobile terminal(S402). The ARS(55) acquires telephone number information of the second subscriber selectively inputted from the first subscriber mobile terminal and a telephone number of the first subscriber mobile terminal(S403). The ARS(55) inquires code information corresponding to telephone number information of the second subscriber to an IP server(70) on the basis of telephone number information of the second subscriber, and requests a corresponding sound source code(S404). The IP server(70) searches code information corresponding to the telephone number of the second subscribe from a database according to the request, and provides searched code information to the ARS(55)(S405). The ARS(55) searches a sound source corresponding to code information from the database, and transmits the searched sound source to the first subscriber mobile terminal through the origination MSC(31) for confirming the sound source of the second subscriber(S406). The ARS(55) judges whether the change of the sound source is requested from the first subscriber mobile terminal on the basis of the inquiry/response according the scenario(S407,S408). If the change of the sound source is requested, the ARS(55) requests the change of the sound source code to the IP server(70) on the basis of the first subscriber telephone number and the second subscriber telephone number(S409). The IP server(70) changes code information corresponding to the first subscriber telephone number to code information corresponding to the second subscriber telephone number, and stores changed code information(S410).
Patent KR-20040031824-A (KR)
Title: Device and method hot spring for home
Inventor: LEE SANG BAE
IPC: A61H33/00
Filed: 2002-10-04
Abstract: PURPOSE: A home spa machine and a method are provided to create the same environment with hot spring at home and to enable users to enjoy spa at home. CONSTITUTION: The home spa machine includes a user interface for generating a signal corresponding to a user's request; an infrared receiver(212); a key input(214); a controller(210) for inputting the signal from the interface and performing an appropriate control for the signal; a high voltage generator(216) for generating high voltage under control of the controller(210); an ozone generator(216) for generating ozone at an input of the high voltage; an air generator(222) for generating air with an aid of a motor(220) that runs under control of the controller(210); and a heater(224) for converting an electric signal into heat.
Patent KR-20030029512-A (KR)
Title: Routing coordination protocol for a massively parallel router architecture
Inventor: CHOE MYONG SU
IPC: H04L45/02
Filed: 2002-10-04
Abstract: PURPOSE: A path setup of a control protocol for a high capacity parallel router architecture is provided to periodically transmit collected LSA(Link State Advertisement) message packets to one of non-designated path setup nodes from a designated path setup node, thereby enabling the non-designated path setup node to update related path setup tables by using the collected LSA message packets. CONSTITUTION: Many path setup nodes(210,220,230,240) receive message packets from each external device, transmit the message packets to the external devices, and have path setup tables maintained to set paths of the message packets up to receiving nodes from each transmitting node. Switch fabrics(250A,250B) transmit the message packets between the transmitting nodes and the receiving nodes. One designated node of the path setup nodes(210,220,230,240) receives LSA message packets having link state information from non-designated nodes among the path setup nodes(210,220,230,240). The designated path setup node forms a link state database by collecting the LSA message packets.
Patent KR-20040033206-A (KR)
Title: Motor supporting devise for vacuum-cleaner
Inventor: RYU HO SEON
IPC: A47L9/22
Filed: 2002-10-11
Abstract: PURPOSE: A device for supporting a motor for a vacuum cleaner is provided to prevent the vibration of the motor from being transmitted to a body case and to reduce vibration and noise of the body case by elastically supporting the motor with an elastic member. CONSTITUTION: A front support unit(60) is integrally installed at an upper case(11) of a cleaner body(1), and supports the outer circumference of a motor mounting packing(53) fixed to the outside of an impeller cover(52). A rear support unit(70) is integrally installed at a lower case(12) of the cleaner body, and supports a seal packing unit coupled to a bearing placing unit formed at the rear of a motor housing(51). A coil spring(72) is installed at the rear support unit, and elastically presses the rear of the motor housing.
Patent KR-20030033929-A (KR)
Inventor: TAKAI TAISUKE
IPC: G05F3/26
Filed: 2002-10-15
Abstract: PURPOSE: A function circuit is provided to be capable of obtaining a predetermined output signal regardless of temperature by transforming an input signal into an aiming function. CONSTITUTION: In the device, voltage dividing means is connected to the first transistor, for dividing the input signal with a prescribed division ratio. A reference voltage source applies a prescribed reference voltage to a base terminal of the second transistor. A current mirror circuit(K1) which is connected to the first transistor and the second transistor so that the same constant current flows between a collector terminal and an emitter terminal of the first transistor and between those of the second transistor.
Patent KR-20040038123-A (KR)
Title: Multi proxy gateway interlocking method for mobile internet service
Inventor: CHA GYEONG CHAN
IPC: H04W88/16
Filed: 2002-10-31
Abstract: PURPOSE: A method of interworking multiple proxy gateways for a wireless Internet service is provided to enable a contents provider to have a self proxy gateway to perform a billing process for a service, and to enable portal service providers or contents providers to easily supply various contents, thereby obtaining many users. CONSTITUTION: A user terminal(110) transmits service information data to the first proxy gateway(412). The first proxy gateway(412) retrieves whether a requested game service is available in a service information list(615), retrieves service information from the service information list to find out a service-available proxy gateway(620), and transmits an address of the N proxy gateway(416) to the user terminal(110). The user terminal(110) changes a proxy gateway setup value into the address of the N proxy gateway(416) by corresponding to received proxy information(630). The user terminal(110) transmits the service information data to the N proxy gateway(416) according to the changed proxy gateway setup value, and requests a game service(635). The N proxy gateway(416) confirms whether service information corresponding to the requested service is generated, and supplies the game service to the user terminal(110). A user receives the game service by using the user terminal(110).
Patent KR-20040043048-A (KR)
Title: Magnetic tunnel junction device and Fabricating method thereof
Inventor: CHO BYEONG GI
IPC: H01F10/32
Filed: 2002-11-15
Abstract: PURPOSE: A magnetic tunnel junction device and a manufacturing method thereof are provided to effectively reduce magnetic tunnel junction resistance and improving the homogeneity of the device by forming a magnetic resistance buffer layer between a pinned layer and a tunnel barrier. CONSTITUTION: A magnetic tunnel junction device is provided with a substrate(11) and a predetermined structure formed on the substrate. At this time, the predetermined structure is formed by sequentially depositing a fixed layer, a tunnel barrier(19), and a free layer(21). A magnetic resistance buffer layer(17) made of nitride based metal is located between the fixed layer and the tunnel barrier. Preferably, the fixed layer is formed by sequentially depositing a seed layer(12), a pinning layer(13), and a pinned layer(15) on the substrate.
Patent KR-20040051169-A (KR)
Title: a guard bar of pick up truck
Inventor: HONG SEONG CHAN
IPC: B62D33/02
Filed: 2002-12-12
Abstract: PURPOSE: A guard bar of a pickup truck is provided to stably load large-sized objects in a tray and to reinforce the lateral and torsional stiffness of a rear part of the truck. CONSTITUTION: A guard bar of a pickup truck includes bending bars(1b) bent and extended at both ends of a horizontal bar(1a) arranged at the rear end of a roof of the truck to horizontally cross the upper part of a tray(2). Both bending bars are movably fixed to a mounting bracket(3) fixed to the center of both sides of the tray. The mounting bracket comprises vertical flanges formed at both ends of a base plate; a mounting pin and a stopper pin installed to the rear and front sides of the flange; and rubber buffers attached to the rear end of the base plate and the outer peripheral surface of the stopper pin.
Patent KR-20040054072-A (KR)
Title: High Frequency Optical Pulse Source
Inventor: BAEK YONG SUN
IPC: H01S5/0625
Filed: 2002-12-17
Abstract: PURPOSE: An ultrahigh frequency pulse light source device is provided to form a multi-region distributed feedback laser diode with one chip by forming a phase control region between two kinds of distributed feedback laser diodes. CONSTITUTION: Two DFB regions(2,4) corresponds to one device. A phase control region(6) is arranged between the DFB regions. A plurality of diffraction grids(12,18) are formed in the inside of the DFB regions, respectively. The diffraction grids are symmetrically arranged to each other. A plurality of active layers(14,16) are connected to both sides of a waveguide core(20) of the phase control region. Brag wavelengths of the DFB regions are detuned.
Patent KR-20040056988-A (KR)
Title: 2-Phase Dynamic Location Management Apparatus considering Mobile Time in Mobile Networks and Method thereof
Inventor: LEE JONG CHAN
IPC: H04B7/26
Filed: 2002-12-24
Abstract: PURPOSE: A 2-step dynamic location management apparatus considered with moving time and a method therefor are provided to increase the efficiency of location management expenses by presenting a VDLA(Virtual Dynamic Location Area) method to set up a 2-step VLA on the basis of the average moving time of a mobile terminal in an LA. CONSTITUTION: A 2-step dynamic location management apparatus considered with moving time comprises a parameter selection and measurement part(110), a VLA selection part(120), a DBLA(Distance-Based LA) execution part(130), a mobile object location estimation part(140), and a sequential paging execution part(150). The parameter selection and measurement part(110) selects a parameter considered for 2-step dynamic location management, measures an actual value for the parameter, and transfers it to the VLA selection part(120) and the mobile object location estimation part(140). The VLA selection part(120) allocates 2 VLAs to a mobile terminal when the mobile terminal accesses a new LA from the previous LA. The DBLA execution part(130) selects the final LA using LA selection reference time. The mobile object location estimation part(140) creates location estimation information, when sequential paging is required after the final LA is selected, and transfers it to the sequential paging execution part(150). The sequential paging execution part(150) carries out sequential paging using the speed and moving time of the mobile terminal and the location estimation information of the mobile object location estimation part(140).
Patent KR-20040059804-A (KR)
Title: Method of manufacturing ferroelectric memory device
Inventor: CHOI EUN SEOK
IPC: H01L21/8246
Filed: 2002-12-30
Abstract: PURPOSE: A method for manufacturing a ferroelectric memory device is provided to effectively prevent the deformation and lifting of a lower electrode caused by the difference of thermal expansion between the lower electrode and an interlayer dielectric. CONSTITUTION: A lower electrode(24) is formed on a semiconductor substrate(20) with a plug(22). A metal oxide layer(25) is formed on the resultant structure. By blanket etching of the interlayer dielectric and the metal oxide layer, the surface of the lower electrode is exposed. A gap(27) with a desired depth is formed by selectively etching the metal oxide layer between the interlayer dielectric and the lower electrode. The metal oxide layer is one selected from group consisting of Al2O3, TiO2, TaO2, ZrO2 and HfO2.
Patent KR-20040060136-A (KR)
Title: Method for fabricating of semiconductor device
Inventor: KI YEONG JONG
IPC: H01L21/76
Filed: 2002-12-30
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to minimize stress and to prevent crack of a substrate by controlling the thickness ratio of a well oxide layer, a linear nitride layer and a linear oxide layer. CONSTITUTION: A trench is formed by selectively etching a substrate(10) using a pad oxide and nitride pattern as a mask. A well oxide layer(18) with A thickness, a linear nitride layer(20) with B thickness and a linear oxide layer(22) with C thickness are sequentially formed on the trench, wherein A/B is 1.5 over, B/C is 0.8 over, and 100x A/(BxC) is 1.8 over. A field oxide layer(24) is then formed in the trench.
Patent KR-20040061536-A (KR)
Title: Heat pump system for vehicle
Inventor: CHO YEONG DU
IPC: F25B30/00
Filed: 2002-12-31
Abstract: PURPOSE: A heat pump system for a vehicle is provided to evaporate a refrigerant by arranging a refrigerant heating unit to an upper tank of a lower tank of an engine radiator, to remove the need for securing an installation space of the heating unit, and to make coolant distribution of the engine radiator smooth. CONSTITUTION: A heat pump system for a vehicle has a refrigerating cycle compressing and supplying a refrigerant by a compressor(21) and an air conditioning cycle. In the refrigerating cycle, the refrigerant circulates from a 4-way valve(22) connected next to the compressor to the 4-way valve through an outdoor heat exchanger(23), a first receiver drier(24), a first expansion valve(25), and an indoor heat exchanger(26). In the air conditioning cycle, the refrigerant circulates from the 4-way valve to the 4-way valve through the indoor heat exchanger, a second receiver drier(27), a second expansion valve(28), and a refrigerant evaporating-heating unit(29) arranged in an engine radiator(30).