baber/WOPTO huggingface dataset:
Patent KR-20020007488-A (KR)
Inventor: HUH GANG HEON
IPC: C04B35/64
Filed: 2000-07-14
Abstract: PURPOSE: Provided is a preparation method of electronic ceramics with high sintering density and improved electronic(dielectric and piezoelectric) characteristics by controlling sintering atmosphere in two stages. CONSTITUTION: The electronic ceramics are prepared by a conventional process, mixing raw materials containing Pb such as PZT, drying, calcining, grinding and drying, forming, and sintering. The sintering stage is characterized by having a different sintering atmosphere. In a heating range(0.1-20deg.C/min.) between room temperature and sintering initiative temperature(950-1350deg.C), H2 or O2 gas faster than air at diffusion speed is injected within 10min., and in a sintering range, N2, Ar or Ne gas slower than air at diffusion speed is injected.
Patent KR-20020008905-A (KR)
Title: Jig device for laser welding
Inventor: KIM GEUN HWAN
IPC: B23K26/10
Filed: 2000-07-21
Abstract: PURPOSE: A jig for laser welding is provided in which the work piece fixing plate is used by restructuring a work piece fixing plate only on which a work piece is rested regardless of type or specification of the work piece in the laser welding, and the work piece is easily fixed onto a surface plate through a base block using an electromagnet. CONSTITUTION: In a laser welding jig fixing a work piece(1) for performing the laser welding, the jig comprises a work piece fixing plate(3) on which a work piece is rested; a support rod(5) which is connected to the lower part of the work piece fixing plate so as to support the work piece fixing plate; and a base block(15) the center of which is divided into upper and lower parts(11,13) by an insulation member(9) so that the base block is connected to the lower end of the support rod so as to fix the support rod onto a surface plate(7), at the upper part of which an attachable and detachable means is formed so as to attach or detach the support rod, and at the lower part of which a fixing means is formed so as to adhere the work piece onto the surface plate using an electromagnet, wherein the attachable and detachable means further comprises a support rod mounting hole, a fixing bolt hole and a fixing bolt, and wherein the fixing means further comprises an electromagnet, a battery and an electromagnet switch.
Patent KR-20010081926-A (KR)
Title: method for reclaiming used-up urethane or rubber
Inventor: PARK GI CHEOL
IPC: B29B17/00
Filed: 2000-08-02
Abstract: PURPOSE: A method for regenerating waste urethane and waste rubber is provided to minimize the contamination of environment by reducing the amount of waste, and to economize on resources. CONSTITUTION: The method for regenerating waste urethane and waste rubber comprises the steps of; selecting the collected waste urethane or rubber according to their colors; washing the selected waste urethane or rubber by using an ultrasonic wave and a magnet; pulverizing the clean waste urethane or rubber to a degree of 8-13mm; secondarily pulverizing the 8-13mm size of waste urethane or rubber to a degree of 2-3.5mm; drying the waste urethane or rubber by using an indirect hot wind of 80-150 deg.C for 10-15 minutes after removing the dust of the waste urethane or rubber; agitating the waste urethane or rubber of 500kg in an agitator maintained in a temperature of 91deg.C; extruding the waste urethane or rubber; quenching the waste urethane or rubber at a temperature of 0-5deg.C, and compressing it up to a thickness of 1.5-7mm; cutting the waste urethane or rubber into 5-6m size, and pulverizing the cut waste urethane or rubber to a degree of 0.1-5mm; carefully selecting the regenerated waste urethane or rubber according to their particle diameters; and attaching/applying the regenerated waste urethane or rubber to various construction materials.
Patent KR-20010067066-A (KR)
Inventor: POTYRAILO RADISLAV ALEXANDROVI
IPC: G01N29/24
Filed: 2000-08-08
Abstract: PURPOSE: A polymer coating for chemical sensor is provided to improve the detection sensitivity of a target compound which is not detected by a normal sensor without any polymer, and improve detection by arranging a polymer film containing at least one type of hard and soft block components on the surface of the sensor. CONSTITUTION: A sensor comprises a substrate and a polymeric film disposed on the substrate. The polymeric film comprises at least one hard block component and at least one soft block component. A method for enhancing detection of a target compound by a sensor, comprises disposing a polymeric film on a surface of the sensor, in which the polymeric film enhances detection of target compounds not normally sensed by a sensor without the polymeric film. The polymeric film comprises at least one hard block component and at least one soft block component.
Patent KR-20020013007-A (KR)
Title: Method and system for selling stocks, futures, and options automatically using internet
Inventor: JUNG NAM KYOO
Filed: 2000-08-10
Abstract: PURPOSE: A system and method for automatically trading stocks, futures, and option are provided to reduce an investment loss by catching an accurate trading timing and automatically performing a transaction based on a technical analysis through the Internet. CONSTITUTION: An investor performs a log-in process to a homepage of a service provider, and the service provider supplies a market price and information data received from an information provider as a security corporation and a stock exchange to the investor(S100). A data sheet including a selection of a conditional forecasting price comprising one's wanted highest price and lowest price with respect to one item based on the received market price and information data and a selection of an automatic trade or a compulsory trade is prepared(S200). The service provider compares the conditional forecasting price prepared in the data sheet of the investor with the current market price supplied from the stock exchange in real time(S300). In case that the conditional forecasting price is coincided with the current market price and a trade is selected, the service provider concludes a trade automatically. However, in case that a compulsory trade is selected, the investor requests a trade in a real time market price in accordance with a variation of market conditions regardless of the conditional forecasting price(S400).
Patent KR-20020019346-A (KR)
Title: a lock body of setup easy eletrioc door lock equiment
Inventor: PARK JI SUN
IPC: E05B63/00
Filed: 2000-09-05
Abstract: PURPOSE: An electronic door lock system installed to a left side and a right side of a key package is provided to install easily a door lock system to a left side or a right side of a door by forming selectively a lock package to a left direction or a right direction. CONSTITUTION: A lock package(100) has a locking crossbar(110) and a barred cross bar(120). An inside main body(200) an outside main body(300) are formed with door handles(210,310) and operating buttons, respectively. The locking crossbar(110) is shifted by the door handle(210). A door is locked or unlocked by a movement of the locking crossbar(110). A rotary toothed wheel(311) of the door handle(310) is connected with a rotary toothed wheel(312) of a key package(340). Pin combination holes(312a,312b) are formed on a left surface and a right surface of the rotary toothed wheel(312). A release pin(330) is installed to a left or a right direction of a lock package(100). The handles(210,310) are combined with a handle combination shaft(211) by a bolt(212).
Patent KR-20020024845-A (KR)
Title: method for fabricating GaN substrate and system for fabricating the same
Inventor: KIM JIN GYO
IPC: H01S5/32
Filed: 2000-09-27
Abstract: PURPOSE: A method for manufacturing a gallium nitride substrate and a system thereof are provided to prevent a crack due to a temperature drop by maintaining a sapphire substrate having a grown gallium nitride thick film. CONSTITUTION: The system for manufacturing a gallium nitride substrate includes first and second chambers. First and second heaters(13,14) are located at peripheries of the first and second chambers, respectively. The first and second heaters(13,14) control internal temperatures of the first and second chambers, respectively. An injecting section(11) injects a gas to an inside of the first chamber. A mounting section is located at the inside of the first chamber and mounts a wafer. A conveyer(17) conveys the wafer from the first chamber to the second chamber. A third heater(19) is located at a periphery of the conveyer(17) and controls a temperature of the wafer which is conveyed by the conveyer(17). A laser source applies a laser beam to the wafer.
Patent KR-20010050717-A (KR)
Inventor: AHN HYUN DUK
IPC: H04L12/66
Filed: 2000-09-22
Abstract: PURPOSE: An optimized communications system is provided to support audio, video, data, and fax communications between a source personal computer and an audio communications device, such as a telephone or a destination personal computer. CONSTITUTION: The system(100) provides for communications first with an entry node, which selects an intermediate server. The selected intermediate server selects an ITSP gateway, for example, which provides access to the audio communications device. The selected intermediate server initiates voice or video communications using for example, the H.323 standard, with the ITSP gateway. The selected intermediate server then informs the source personal computer to communicate directly with the ITSP gateway. Thereby, the system supports voice or video communications in a "thin-client" environment.
Patent KR-20010000503-A (KR)
Inventor: JUN YUN SU
IPC: H04N7/12
Filed: 2000-10-04
Abstract: PURPOSE: A system for displaying information services for railcars is provided to install a liquid crystal display(LCD) for supplying passengers inside a railcar such as a subway and a train with multi media information such as station guide information and various kinds of advertisements. CONSTITUTION: A speed distance detector(12) detects an operation speed and an operation distance through a signal of a sensor installed in a railcar. A location information block is a global positioning system(GPS) for detecting a present location of the vehicle. A central processing controller(30) inputs speed distance data and location information data from the speed distance detector(12) and the location information block(20), and compares the speed distance/the location information data with pre-stored inter-station distance data, then outputs station guide information data. The central processing controller(30) processes various information data related to an operation of the vehicle, and controls/outputs the processed information data. A display unit(40) displays the output information data. A remote information supplier(50) wirelessly delivers information such as station guide screen image signals, moving pictures/still image advertisements, and lift information signals which are displayed on the display unit(40), from a remote place. A screen division processor(60) inputs the delivered information, and divides a screen of the display unit(40) to make the delivered information divided to be displayed.
Patent KR-20020028027-A (KR)
Title: Inorganic coating composition for electronic part including core
Inventor: PARK SAM YONG
IPC: C09D1/00
Filed: 2000-10-06
Abstract: PURPOSE: Provided is an inorganic coating composition for electronic component comprising core satisfying physical property for various electronic component. CONSTITUTION: The inorganic coating composition comprises 5-30 parts by weight of organic silicon compound, 20-75 parts by weight of at least one of colloidal silica, colloidal alumina, fumed silica and white carbon(which are fillers), less than 30 parts by weight of solvent and other additives. The inorganic coating composition is excellent in heat stability, abrasion resistance, corrosion resistance and weatherability, and can form a flat and transparent film.
Patent KR-20020028523-A (KR)
Title: Method for providing a multi-casting of messages via the internet
Inventor: KIM YEONG JIN
Filed: 2000-10-10
Abstract: PURPOSE: A concurrent message transmission method using Internet is provided to send selected people messages concurrently, to receive the result and to send it to the sender. CONSTITUTION: The concurrent message transmission method using Internet(A) consists of a client(10) and a message transmission system(20). The clients are users who use a PC a web browser and connect Internet. After login, the client prepares receiver lists, provides a title, receiver group, service format, message body and voice recording, selects a transmission tool among a phone, an SMS and a fax, and click 'SEND' button. The client can request result of the sent messages to watch the transmission state and result. The message transmission system consists of a web server(21), a receiver DB(22) to save the receiver lists, a message DB(23) to save the messages that are sent by the client, a response DB(24) to save the responses from the receivers, a voice conversion part(25) and a connection part(26). The web server manages all of the DBs. The voice conversion part converts the text messages to voice message according to the request. The connection part connects the client with a cellular phone(E) or a PSTN phone(F) with the information provided by the web server. The web server provides proper web pages according to the requests and selection of the client such as, fax, phones, editing, and so on.
Patent KR-20020028666-A (KR)
Title: Method for compensating optical fiber dispersion by using ribbon fiber
Inventor: JUN JEONG U
IPC: G02B6/44
Filed: 2000-10-11
Abstract: PURPOSE: A method of optical fiber dispersion compensation using a ribbon optical fiber is provided, which makes it easy to constitute a protection package of a chromatic dispersion compensation device. CONSTITUTION: According to the method, a protection coating covered on a fixed part of a ribbon optical fiber is removed, and a nonperiodic optical fiber grating(51) for dispersion compensation of a wavelength required in each optical fiber(71) is fabricated on the part where the protection coating is removed and then is used as an optical signal chromatic dispersion compensation device. And each optical fiber(71) is connected so that each optical fiber(71) is connected with one line, and each optical fiber(71) is connected to each line respectively. The nonperiodic optical fiber(71) grating is fabricated toward an equal direction to each optical fiber(71).
Patent KR-20020029244-A (KR)
Title: Mp3 encoder/decoder
Inventor: SHIN YUN BOK
IPC: G11B20/10
Filed: 2000-10-12
Abstract: PURPOSE: An MP3 encoder and decoder is provided to implement a program code, a table and a DSP(Digital Signal Processor) necessary for MP3 encoding and decoding with one chip, so as to perform MP3 encoding and decoding without an additional memory for storing the program code and table. CONSTITUTION: An A/D(Analog-to-Digital) converter(20) converts inputted audio signals into PCM(Pulse Code Modulation) digital signals. A buffer(211) buffers the digital signals inputted from the A/D converter(20). An encoder(212) analyzes and filters the digital audio data from the buffer(211) by a preset program, and performs DCT(Discrete Cosine Transform), quantizing and encoding, to generate an MP3 stream for transmission. A decoder(213) decodes the encoded MP3 bit stream, and performs inverse quantizing, IDCT(Inverse DCT), mixing and filtering, to generate audio signals. A buffer(214) buffers and outputs the decoded signals of the decoder(213). A DSP(21) configures a ROM(Read Only Memory,215) storing coefficient data upon encoding and decoding with one chip. A flash memory(22) temporarily stores the MP3 bit stream encoded in the DSP(21). A D/A converter(23) converts the decoded MP3 bit stream into analog signals for outputting. And an update program ROM(216) updates a program code, a table and an input/output audio medium necessary for the encoding and decoding.
Patent KR-20020031494-A (KR)
Title: Bond pad of semiconductor device and method for fabrication thereof
Inventor: LEE GYEONG TAE
IPC: H01L23/482
Filed: 2000-10-20
Abstract: PURPOSE: A bond pad of a semiconductor device and a method for forming the same are provided to prevent a dishing phenomenon generated from a chemical mechanical polishing process by forming separately cooper patterns. CONSTITUTION: A lower insulating layer(102) and a lower cooper pattern(104) are formed on a semiconductor substrate(100). The first insulating layer pattern(108c) has a plurality of contact hole connected with the lower cooper pattern(104). The first cooper pattern(116) is connected electrically with the lower cooper pattern(104). The second insulating layer pattern(120c) is formed on the first cooper pattern(116). The second insulating layer pattern(120c) has a multitude of contact holes connected with the first cooper pattern(116). The second cooper pattern(128) is connected electrically with the first cooper pattern(116). A passivation layer(138A) is formed on the second cooper pattern(128). A bond pad(144) is formed by patterning a part of the passivation layer(138A). A conductivity improvement layer(140) is formed on the second cooper pattern(128).
Patent KR-20010051260-A (KR)
Inventor: HUSSEIN FATHI DAVID
IPC: C08F210/18
Filed: 2000-10-26
Abstract: PURPOSE: Provided is a transforming method from a first adhesive polymer to a second adhesive polymer at a gas-phase fluidized-bed polymerization. CONSTITUTION: The method consists of (a) a process to reduce the reaction rate by stopping the supply of a catalyst to the reactor, (b) a process to stop the polymerization by using a reversible deactivation agent of the catalyst, (c) a process to protect the polymer by forming a coating film by a gelation inhibitor, (d) a process to recover the product of the aimed class from the reactor after the reaction by stopping an post-reaction purge from the reactor and a transfer to a polishing apparatus, (e) a process to remove the kill agent by purging the flow and the pressure, (f) a process to establish the concentrations of a co-catalyst and an optimal promoter to supply, (g) a process to establish a reaction condition for the second adhesive polymer, (h) a process to restart the supply of the catalyst, and (i) a process to restart the supply of a fluidization aid, the co-catalyst, the optimal promoter and a diene.
Patent KR-20020040007-A (KR)
Title: The measurement apparatus of carrier frequency of AM modulating signal
Inventor: BYUN YEONG GWAN
IPC: G01R23/16
Filed: 2000-11-23
Abstract: PURPOSE: An apparatus for measuring a carrier frequency of an AM modulation signal is provided to measure accuracy of frequency by using a circuit for detecting a carrier frequency of an AM broadcasting signal. CONSTITUTION: A filter bank portion(10) is used for performing a switching operation according to an AM modulation signal. The first mixer(20) is used for mixing a frequency of 1st LO signal with a frequency of the AM modulation signal. The first intermediate frequency portion(30) is used for performing a down conversion process for an output signal of the first mixer(20). The second mixer(40) is used for mixing an output signal of the first intermediate frequency portion(30) with a frequency of 2nd LO signal. The second intermediate frequency portion(50) is used for performing the down conversion process for an output signal of the second mixer(40). The third mixer(60) is used for mixing an output signal of the second intermediate frequency portion(50) with a frequency of 3rd LO signal. The third intermediate frequency portion(70) is used for performing the down conversion process for an output signal of the third mixer(60). An analog/digital converter(80) is used for sampling an output signal of the third intermediate frequency portion(70) and converting the sampled signal to a digital signal. A DSP(90) is used for obtaining a carrier frequency from the digital signal of the analog/digital converter(80) and calculating a carrier frequency of the AM modulation signal.
Patent KR-20020044620-A (KR)
Title: hydrant valve
Inventor: PARK SEUNG OK
IPC: F16K13/00
Filed: 2000-12-06
Abstract: PURPOSE: A valve of a hydrant is provided to open and close a valve seat conveniently by hydraulic pressure of fluid, to prevent a valve body from being bent, and to simplify the assembling process by inserting a guide member to a guide groove of a valve rod. CONSTITUTION: A hydrant valve is composed of a valve case(10) having an inlet(1), an outlet(3), and a valve seat(5) placing a valve body(200); the valve body opening and closing the valve seat; a valve rod(300) installed in the valve body, and moved up and down by turning a handle(50); a lid combined with the valve rod, and installed in the valve case; a guide groove(310) formed in the end of the valve rod; and a guide member formed in the side of the valve body, and inserted to the guide groove to move up and down the valve body according to pressure of fluid flowing from the inlet. Bending deformation of the valve is prevented against pressure of the valve rod by increasing the thickness of the middle part of the valve body. Fluid is discharged actively with guiding flow with forming the conical valve body. Assembling process is reduced with integrally forming the guide member in the valve body.
Patent KR-20020045031-A (KR)
Title: part management method for assembly, and system for the same
Inventor: BAE IL HO
IPC: G06F17/00
Filed: 2000-12-07
Abstract: PURPOSE: A method and a system for managing a part of an assembly are provided to classify and manage a BOM(Bill Of Material) according to the structure change and to manage respective parts of the assembly by successively arranging respective parts in an assembling order. CONSTITUTION: The method comprises the steps of registering a plurality of product models to a server from a user computer(S1), registering respective part forming respective assemblies of the registered product models to the server from the user computer(S3) and classifying respective parts registered to the server into a fixed part group and a variable part group according to the common usage for respective assemblies(S5). The parts of respective part groups are arranged by an assembly order completing the assembly(S7).
Patent KR-20020045427-A (KR)
Title: Apparatus of deposition for semiconductor processing
Inventor: NA DONG GEUN
IPC: H01L21/20
Filed: 2000-12-11
Abstract: PURPOSE: A deposition apparatus for manufacturing a semiconductor device is provided to minimize defects by stably and exactly fixing a carrier ring to a defined position of a pedestal. CONSTITUTION: A deposition apparatus for manufacturing a semiconductor device comprises a chamber(20) for depositing a layer on a wafer(W), a gas supplier(22) for providing a depositing gas in the chamber(20), a number of pedestals(24) for fixing the wafer(W) installed in the chamber(20), a carrier ring(26) formed with a number of first and second holes(26b) on the defined portions for supporting the peripheral portion of the back side of the wafer(W) when fixing the wafer(W) on the pedestal(24), and a rotation ring plate(28) having protruding portions(28b) for moving up and down and circulating the carrier ring(26). At this time, the protruding portions(28b) are exactly connected with the second holes(26b), thereby stably mounting the carrier ring(26).