baber/WOPTO huggingface dataset:
Patent KR-20010105913-A (KR)
Title: Optical disc drive recording/reproducing apparatus capable of use plural pick-ups
Inventor: KIM YEONG HAN
IPC: G11B19/20
Filed: 2000-05-19
Abstract: Flexible graphite sheet is made by compressing a mixture of fine particle of intercalated, exfoliated, expanded natural graphite with fine particles of intercalated, unexpanded, expandable particles of natural graphite admixed with small amounts of a phosphorous bearing compound, the unexpanded particles being more finely sized than the expanded particles. The resulting sheet of flexible graphite exhibits improved fire retardant and sealability properties and additionally resistance to oxidation and corrosion.
Patent KR-20010108830-A (KR)
Inventor: JUN YEONG HO
Filed: 2000-05-31
Abstract: 본 발명은 반도체 소자의 금속막 증착 방법을 개시한다. 개시된 본 발명은, 금속 타겟을 제작한 후, 이 금속 타겟을 증착 챔버의 상부에 배치된 캐소우드의 아래에 배치한다. 웨이퍼를 증착 챔버의 하부에 배치된 애노우드에 안치시킨다. 이러한 상태에서, 캐소우드와 애노우드에 전계를 가하면서 아르곤 가스와 수소 가스를 증착 챔버내로 주입하여, 캐소우드와 애노우드 사이에 아르곤 이온과 수소 이온으로 이루어진 플라즈마를 형성시킨다. 플라즈마의 아르곤 이온과 수소 이온이 음극으로 대전된 금속 타겟에 충돌하게 되어, 작은 크기의 금속 이온이 금속 타겟으로부터 방출되어서 애노우드상에 안치된 웨이퍼에 증착된다. 마지막으로, 금속막이 증착된 웨이퍼를 어닐링한다. 한편, 금속 타겟 제작시, 액상의 금속과 함께 수소 가스를 주입하여 금속 타겟을 제작할 수도 있다. 또한, 어닐링시에도 수소 가스를 주입시킬 수도 있다.
Patent KR-20000063265-A (KR)
Inventor: KIM SUNG SUK
IPC: G10L15/16
Filed: 2000-06-10
Abstract: PURPOSE: A method for discriminating snoring sound using a neural network is provided to combine a neural network technology and a sound discriminating technology so as to discriminate the snoring sound, and to process the dynamic variation of snoring sound so as to secure the accuracy in discriminating the snoring sound from background sound such as the sound of TV, conversation, telephone bell, and talking in one's sleep. CONSTITUTION: Analog signals are pre-processed. The analog signals are converted into digital signals. A section of sound is detected. The characteristics of sound signals are extracted. A user independent snoring sound discriminator(time-delay regression neural network) is established by learning with a sound database. A user's snoring sound is re-learned under a user environment and a user dependent snoring sound discriminator is re-established. Detected sound under the user environment is discriminated as the nearest sound by pattern-interface in the time-delay regression neural network. And an output signal is generated according to the result of the sound discrimination.
Patent KR-20010111641-A (KR)
Inventor: LEE MAN HYEONG
IPC: G11B7/00
Filed: 2000-06-12
Abstract: 본 발명에 따른 광픽업 장치는, 디스크에 대하여 데이터를 재생/기록하는 광선을 방출하는 광원과, 광원으로부터 발광된 광선을 평행광선으로 만들어주는 콜리메이터 렌즈와, 콜리메이터 렌즈를 통하여 입사되는 평행광선에 대한 광경로차를 조절하여, 투과시키는 광경로차 조절수단 및 광경로차 조절수단에서 투과된 광선을 디스크에 집광시키는 대물렌즈를 포함한다. 
     여기서, 광경로차 조절수단은 콜리메이터 렌즈로부터 입사되는 평행광선에 대한 광경로차를 조절함에 있어, 디스크의 종류에 따라서, 소정의 디스크에 대해서는 투과되는 광선의 위상차를 동일하게 하며, 소정의 디스크와 종류가 다른 이종의 디스크에 대해서는 투과되는 광선의 위상차를 광축으로부터의 광선 높이에 따라 소정의 위상분포를 가지며, 그 위상분포가 회전 대칭적으로 생성되도록 한다. 
     이와 같은 본 발명에 의하면, 한 개의 광픽업을 이용하여 디스크의 두께가 다른 이종 디스크에 대하여 데이터를 재생/기록함에 있어, 이종 디스크에 대한 대물렌즈와 디스크 간의 워킹 디스턴스의 차이를 줄여 엑츄에이터에서 보빈의 위치 차에 의한 성능저하를 방지할 수 있으며, 광원으로부터 입사되는 광선의 효율을 높일 수 있는 장점이 있다.
Patent KR-20010007364-A (KR)
Inventor: DENNIS J KEKAS
IPC: G09F9/00
Filed: 2000-06-14
Abstract: PURPOSE: Provided is a system provided with an excellent dynamic quick response function by displaying a hologram formed by a fast Fourier transform(FFT) computer by using a display optical system together with a nonmemory holography material and forming a fast and refreshed image. CONSTITUTION: A nonmemory display materiel (preferably PLZT) is used as a dynamic holography display medium(101), the display optical system is used together with the nonmemory display medium(102) and then the hologram formed by the FFT computer is displayed(103). Then user is asked if he wants to form the faster and refreshed image(104). When answer is yes, the faster and refreshed image is formed by using an image operation based on the FFT(105) and the process is finished(106). In this case, the 'nonmemory' PLZT material is a specific material phase in lanthanum-reinforced zirconate titanate ceramic system.
Patent KR-20020000006-A (KR)
Title: Folding type handle to open-close apparatus for window
Inventor: LEE GI WON
IPC: E05F11/10
Filed: 2000-06-20
Abstract: PURPOSE: A folding handle for a window operating device is provided to prevent a handle from folding and playing in the unfolded part and to keep the unfolded/folded state of a handle without movement by an operating member. CONSTITUTION: A folding handle for a window operating device comprises: a shaft binding member(20) provided with an insertion hole(21) to couple with a driving shaft(10), a binding projection(22) and a projection piece(23) having a shaft hole(23a); a handle member(30) provided with an operation part to couple the inserted binding projection(22) of the shaft binding member(20) by a binding shaft(40), an insertion part(34) connected with the operation part, a guide part to locate the projection piece(23) to an end of the insertion part(34), and a knob connection shaft(38); and an operating member(50) provided with a connection piece(51) having a shaft hole(51a) to be inserted into the insertion part(34) and connected by a connection shaft(70), a fixed joint(53) formed on an end of the connection piece(51) to be suspended on the projection piece(23), a bent cogged joint(55) formed on the other end of the connection piece(51), and a fixed shaft(57) installed between the cogged joint(55) and the connection piece(51) to install an elastic member(60).
Patent KR-20020001104-A (KR)
Title: Oiling apparatus of hydrodynamic bearing
Inventor: CHOI HYEONG MIN
IPC: F16N9/02
Filed: 2000-06-26
Abstract: PURPOSE: An oil filling device of a fluid dynamic bearing is provided to perfectly discharge air of a shaft and a bearing while injecting oil by installing a sealing device. CONSTITUTION: An oil filler of a fluid dynamic bearing comprises an injector(1) inserted to an injecting hole(2); a shaft(55) penetrating a middle portion of the injecting hole; a sealing device preventing air from letting in by being mounted in the injecting hole; a protrusion(3) arranged on a specific position of the injecting hole; a sealing material(4) closing a space; and a bearing(54). To inject oil into the shaft and the bearing, the injector is filled with the oil. Then, the injector is inserted to the injecting hole to penetrate the sealing material. The oil is injected to the injecting hole, and is expanded toward outside from a middle portion of the shaft. Thereby, the air contained between the shaft and the bearing is pushed outside through an upper side. Moreover, the oil filler of the fluid dynamic bearing perfectly discharges the air of the shaft and the bearing while injecting the oil by installing the sealing device.
Patent KR-20020002528-A (KR)
Title: Method for forming bitline using dual damascene process
Inventor: OH CHAN GWON
IPC: H01L21/28
Filed: 2000-06-30
Abstract: PURPOSE: A method for manufacturing a bitline using a dual damascene process is provided to basically prevent a lifting phenomenon of a bitline interconnection caused by planarization of a bitline insulation layer, by using the dual damascene process to form a bitline contact and the bitline interconnection. CONSTITUTION: After the first insulation layer is formed on a wordline, an insulation layer for preventing a loss of the first insulation layer and the second insulation layer for the bitline are sequentially formed in a subsequent dual damascene etching process. The second insulation layer, the nitride layer for preventing the loss of the insulation layer and the first insulation layer are etched to form a contact hole for the bitline wherein an impurity adhesion layer(32) is exposed, by using a dual damascene mask. A sidewall nitride layer is formed on the resultant structure, and is blank-etched to form a spacer in contact with the inner wall of the second insulation layer. After a diffusion barrier layer and an interconnection layer for the bitline are sequentially formed on the resultant structure, the interconnection layer for the bitline is blank-etched to be recessed to the inside of the contact hole by a predetermined depth. After a nitride layer for protecting the interconnection layer is formed on the recessed interconnection layer, the nitride layer for protecting the interconnection layer is chemically and mechanically polished to expose the second insulation layer and to form the bitline.
Patent KR-20020002873-A (KR)
Title: Roll-bond type heat exchanger and manufacturing method thereof
Inventor: YOON GWON CHEOL
IPC: F25D19/00
Filed: 2000-06-30
Abstract: PURPOSE: A roll-bond type heat exchanger and method for manufacturing the same is provided to achieve an improved cooling efficiency. CONSTITUTION: A roll-bond type heat exchanger(1) comprises a pair of heat transfer plates(10) bonded to each other; and a refrigerant flow pipeline(20) formed between the heat transfer plates, along a predetermined refrigerant flow channel. The refrigerant flow pipeline is formed in such a manner that the pipeline has a cross section with a relatively flat radius of curvature formed at one of the heat transfer plates, and relatively small radius of curvature formed at the other of the heat transfer plates. A method comprises a first step of pressing a pair of heat transfer plates by using a first mold having a plane surface contacting one of the heat transfer plates, and a second mold having a flow channel formation groove formed at a surface contacting the other of the heat transfer plates; and a second step of forming the refrigerant flow pipeline by injecting a high pressure gas between the heat transfer plates.
Patent KR-20000058852-A (KR)
Inventor: BACK SUNG WOOK
IPC: H04W8/22
Filed: 2000-07-03
Abstract: PURPOSE: A system for supplying electronic business cards is provided to reciprocally transceive and store personal business cards between wireless internet terminals such as cellular phones and personal digital assistants(PDAs), by converting the personal business cards into digital characters. CONSTITUTION: A subscriber selects an electronic business card and fills out required information through a system for supplying electronic business cards on the internet. If the selected business card is completed, the business card is transmitted to a wireless internet terminal such as a cellular phone or a personal digital assistant(PDA) of the subscriber through a wireless network of a mobile communication provider or a personal computer(PC). The subscriber stores the business card in the cellular phone or the PDA, and upgrades changed items of the business card. The stored business card is transmitted through a telephone number of a receiver. The system decides whether personal information received through the cellular phone or the PDA is deleted or stored. If the subscriber presses a storage button, the personal information is automatically stored in an electronic business card database. The database has functions of classifying electronic business cards and searching the business cards. The system selects many subscribers receiving business cards through internet sites instead of wireless communication terminals, and transmits changed items of the business cards to the subscribers.
Patent KR-20020004449-A (KR)
Title: Method and system of managing a gas station which can provide a user with e-commerce information on the internet
Inventor: SHIN IN KY
Filed: 2000-07-05
Abstract: PURPOSE: An oil station managing method and system is provided to display electronic commerce information received via the Internet at a part of a user interface screen. CONSTITUTION: If a program is driven(400), an electronic commerce information file received from the Internet server is stored in an electronic commerce information file buffer(410). Whether an electronic commerce information file is stored in the electronic commerce information file buffer is judged every predetermined period(420). In case where a new file does not exist, stand by up to a next period. In case where a new file exists, the new file is deciphered(430), and contents of the deciphered file are recorded in an electronic commerce information output database(440). The file stored in the electronic commerce information output database is deleted from the electronic commerce information file buffer(450). Electronic commerce information stored in the electronic commerce information output database is displayed on a monitor of a client computer(460).
Patent KR-20010007726-A (KR)
Inventor: KIM GYEONG CHEOL
IPC: H04W80/00
Filed: 2000-07-06
Abstract: PURPOSE: An internet advertising method is provided to maximize advertising effect by issuing an advertisement-inserted quiz via the WAP-based wireless terminal. CONSTITUTION: An internet advertising method comprises connecting to a web site via a WAP-based wireless terminal(S100). A WAP server checks and stores a calling number of the terminal(S110). Date, weekly and monthly use counting numbers and a reserve of a terminal user are over predetermined counting number and reserve is checked(S120,S130). If so, the connection of the terminal is denied. If not, a web page comprising various types of advertisement-inserted quizzes is sent to the terminal(S140). One of the types of quizzes is selected by a user(S150), and a quiz of the selected type is sent to the terminal(S160). When a key input exists as answer to the sent quiz, whether the answer is correct is judged(S170). If so, a reserve according to correct answer numbers is stored in the WAP server(S180), which settles accounts of the stored reserve to provide the adjusted amount to the user(S190).
Patent KR-20020006738-A (KR)
Title: Disk motor
Inventor: PARK SANG HWAN
IPC: G11B19/20
Filed: 2000-07-13
Abstract: PURPOSE: A disc driving motor is provided which prevents noise caused by shock generated during automatic center control process using a ball and performs stabilized automatic center control operation even after the lapse of long period of time. CONSTITUTION: A disc driving motor includes a rotation axis(10), a rotor(20) having a case(21), a turntable(30) on which a disc is mounted, an oil(O) disposed between a ball(50) and the inner and outer wheels(40) of the turntable, a housing(60) to which a stater(70) around which a coil is wound is fixed, a bearing set on the inner side of the housing to support the rotation axis, and a holder(80) having a thrust plate(81) coming into contact with the bottom of the rotation axis to support the load in the thrust direction. The rotation axis is inserted into the center of the rotor, and a magnet is attached to the inner side of the case of the rotor. The ball is disposed between the inner and outer wheels of the turntable.
Patent KR-20010039724-A (KR)
Title: Method of sticking transparent electromagnetic wave shield film
Inventor: HIEDA YOSHIHIRO
IPC: H01J11/34
Filed: 2000-07-15
Abstract: PURPOSE: To prevent the breakage of a PDP(plasma display panel) by preventing the stress concentration to the level difference part and projecting part of the PDP when directly pasting an electromagnetic wave shielding film to the panel front surface of the PDP. CONSTITUTION: This pasting method consists of mounting the PDP 12 to an attachment 6 adapted to its panel shape and bonding the electromagnetic wave shielding film 8 having the difference in level 3 in its thickness direction and having the projecting part 5 on its rear surface to the front surface of the PDP 12 in the state of apparently eliminating the difference in level 3 and the projecting part 5 when the film 8 described above is pasted to the front surface of the PDP 12.
Patent KR-20000072126-A (KR)
Inventor: KIM KYUNG KEUN
IPC: C02F9/00
Filed: 2000-08-02
Abstract: PURPOSE: A wastewater treatment system, which is characterized in that cluster of water is divided to maximize water density by using ionized air, ozone, ultraviolet rays, far infrared rays, electrolyzed water, and magnetic field, thereby being purified. CONSTITUTION: The system comprises the following parts: an electrolyzed water supplying tank (1); a pH adjustment tank (3); a raw wastewater supply line (A), wherein jet nozzle embedded with permanent magnet is inserted through the raw wastewater supply line; a raw wastewater return line (B) for recycling raw wastewater; skimmer (12) for removing scum; activating tank (14) that is consisted of magnifying baffles (13, 13') designed to be movable according to the water level; a retention tank (15) for the inflow of wastewater passing through the magnetic baffle; a spraying retention chamber (16) supplied with ionized air/ozone; a degassing part (18) that is partitioned by two chambers (17, 17') packed with mineral stones emitting far infrared rays.
Patent KR-20020017264-A (KR)
Title: Method of fabricating a semiconductor device
Inventor: SEO EUL GYU
IPC: H01L27/108
Filed: 2000-08-29
Abstract: PURPOSE: A method for forming a semiconductor device is provided to improve topography of a capacitor by using a plug for connecting an upper electrode pad as an upper electrode, and to stably fabricate the device by increasing a process margin of a chemical mechanical polishing process regarding a metal insulation layer. CONSTITUTION: A pre-metal insulation layer(21) is formed on a substrate(20). A lower electrode(220,230) is formed on the pre-metal insulation layer. A dielectric layer is formed on one part of the upper surface of the lower electrode. A metal insulation layer is formed and planarized on the pre-metal insulation layer to cover the dielectric layer and the lower electrode. A predetermined portion of the metal insulation layer is eliminated to form an opening exposing the upper surface of the dielectric layer and a via hole exposing the other part of the upper surface of the lower electrode where the dielectric layer is not formed. The first and second plugs(270,271) are filled in the opening and the via hole, respectively.
Patent KR-20020018713-A (KR)
Title: Emulsifier for producing Emulsion Explosive
Inventor: EOM JAE HUN
IPC: C09K23/00
Filed: 2000-09-04
Abstract: PURPOSE: An emulsifier comprising polyalkenyl epoxide, poly amine and acidic compound is provided to prepare water-in-oil emulsion explosive. The emulsifier formed at low temperature without chloride gas improves stabilities in longtime storage, impact, and especially low temperature by preventing crystallization of oxidant. CONSTITUTION: The emulsifier comprises polyalkenyl epoxide(A) including at least one epoxide ring, poly amine(B) having at least one nitrogen atom and at least one acidic compound(C) enabling the formation of salts from a reaction with amine, and prepared by mixing reaction product of (A) and (B), (C), and optionally organic solvent such as toluene, xylene and hexane at 60-90deg.C for 1-3hrs. The emulsifier polyalkenyl epoxide is represented by chemical formula 1, where m is an integer of 1-10; R1 is alkyl derived from polyolefin with 200-5000 of molecular weight; R2, R3, R4 and R5, being identical or different, are C1-C10 alkyl. Polyamine is represented by chemical formula 2, where R6 and R7, being identical or different, are C6-C10 of hydrocarbon including an aromatic ring or C2-C10 of alkylene; R8, R9, R10 and R11, being identical or different, are respectively H, C6-C10 of hydrocarbon including an aromatic ring, C1-C10 alkyl or hydroxyalkyl, -R12-OH(R12 is hydrocarbon including an aromatic ring of C6-C10 or C1-C10 alkylene); r and s, being identical or different, are an integer of 0-10. The acidic compound is one compound of inorganic or organic acid selected from the group consisting of HNO2, HNO3, HCl, H2O2, HF, CH3COOH, benzoic acid, acrylic acid, stearic acid, etc.
Patent KR-20000072580-A (KR)
Inventor: SO YOUNG JU
IPC: H01R13/70
Filed: 2000-09-09
Abstract: PURPOSE: An extensible electric outlet containing a line cord makes storage of electric cord be easy without a separate line cord to reduce a failure degree of electricity such as short originating from a line cord, and to prevent an electricity failure by automatically cutting off overflow or leakage of current using an earth leakage breaker. CONSTITUTION: An extensible outlet comprises a coil spring which is provided in a wall of building structure and a length of which is adjustable and a line cord device which is engaged with the outlet. A direction of the line cord device is set opposite to that of the line cord. The line cord is adapted to be held in position when it is drawn by user in amount of necessity and free and to be rewound when it is again drawn and free. Length of the cord is variably constituted. The outlet further comprises a protector having a function to prevent leakage and overflow of current whereby a branched cut-off of electricity is possible when electrical short or leakage of current is generated during use.
Patent KR-20020022882-A (KR)
Title: Optical fiber mirror and fabricating method
Inventor: KIM DEOK YEONG
IPC: G02B6/24
Filed: 2000-09-21
Abstract: PURPOSE: A simple production method of optical fiber mirror used for optical fiber interferometric sensor is provided, which is characterized in that an auxiliary rod is attached to an optical fiber for increasing a coating area of optical fiber in coating of optical fiber. CONSTITUTION: The optical fiber mirror is produced by the following steps: flattening the end section of optical fiber by cutting an optical fiber(10) peeled off a polymer coating to make a level, and polishing; attaching the side of an auxiliary rod(14), fused silica glass rod(10cm length) melted at 1600deg.C, to the optical fiber with a binder so that the end section of optical fiber can be laid as same as or a little lower than the end section of auxiliary rod lies; putting metal(12) in a crucible, and melting it in a chamber which is 50-150deg.C higher than melting point of metal; dipping the rod attached the fiber into the melted metal, and taking out it with stirring.
Patent KR-20020023541-A (KR)
Inventor: CHOI IN HWAN
IPC: H04N21/438
Filed: 2000-09-22
Abstract: PURPOSE: A communication system of a digital TV is provided to propose a new VSB transmission system that is suitable for transmission of additional data and noise-resistant and a restoration system in accordance with the VSB transmission system. CONSTITUTION: A communication system of a digital TV includes an error correction coding unit for error-correction-coding additional data inputted through the first path, and a multiplexer for multiplexing ATSC data inputted through the second path and the additional data to output serial data. The communication system further includes a controller for controlling randomizing, a channel coding unit for performing RS coding and TCM coding with respect to the randomized result, and a VSB transmitter for modulating the channel-coded data with VSB mode and transmitting the data.
Patent KR-20020028323-A (KR)
Title: electronic power steering system in response to velocity for automotive vehicle
Inventor: AHN CHANG SEOP
IPC: B62D6/00
Filed: 2000-10-09
Abstract: PURPOSE: A velocity-responsive power steering device of a vehicle is provided to apply a shearing resistance force to a steering shaft in proportion to a vehicle speed, thereby obtaining the velocity responsive performance in a short time. CONSTITUTION: A velocity-responsive power steering device of a vehicle includes a steering force control element amounted to a steering column(3) for applying a shearing resistance force with respect to a steering shaft(2) which rotates in case of steering, wherein the degree of the shearing resistance force increases in proportion to a speed of a running vehicle. The steering force control element includes a disc(11) coupled with the steering shaft to rotate integrally, a housing(12) fixed outside the disc for forming a closed space of a predetermined volume, a Magneto-Rheological Suspension(13) sealed in the housing, and a magnetic coil(14) disposed in the housing toward the disc.