baber/WOPTO huggingface dataset:
Patent KR-20010008972-A (KR)
Inventor: PARK SEONG JUN
IPC: B41J2/045
Filed: 1999-07-06
Abstract: PURPOSE: A method for piezoelectric/electrostrictive actuator by using an adhesion process is provided to obtain an ideal shaping ratio by enabling the angle formed with a chamber plane and a vibrating plate to be approximate to a right angle. CONSTITUTION: A method for piezoelectric/electrostrictive actuator by using an adhesion process includes the steps of arranging a metallic vibrating plate(31) on a base substrate; forming an adhesive layer(32) by applying a photosensitive adhesion film on the vibrating plate; arranging a chamber plate(33) on the adhesive layer and heat-treating the chamber plate for joining the vibrating plate and the chamber plate; removing the base substrate; removing the exposed part of the adhesive layer; forming a piezoelectric/electrostrictive film(35) on the top of the vibrating plate by using a ceramic paste mixed with super minute ceramic oxide powder manufactured by non-explosive oxidization-deoxidization combustion reaction at low temperature of 100-500 deg.C. and in which the size of the particle is below 1 micro meter, and Pb and Ti are basic elements, and a ceramicsol having equal or similar ingredients of the super minute ceramic oxide powder; heat-treating the piezoelectric/electrostrictive film at the temperature of 100-300 deg.C.; and forming a upper electrode on the top of the piezoelectric/electrostrictive film.
Patent KR-20000011719-A (KR)
Inventor: IMAIZUMI YUTAKA
IPC: C08L23/12
Filed: 1999-07-14
Abstract: PURPOSE: An antibacterial molded product is provided, which has a high strength, does not generate an acidic gas in incineration, and can be applied to weak electric components, automobile components, building materials, kitchen utensils, a handle of a scalpel, and a display sheet or tray. CONSTITUTION: The molded product is prepared by thermo-molding a composition comprising a nonhalogen series thermoplastic resin in a range of 20-80 wt% and bamboo powder in a range of 20-80 wt%. Preferably the bamboo powder has a mean size of 5-500 micrometer, and is one treated with the warm water more than 50°C and then dried to less than 2 wt% of the content of moisture. The nonhalogen thermoplastic resin is preferably polypropylene, polyethylene, ABS (acetonitrile-butadiene-styrene) resin, AS resin or poly(lactic acid). The molded product can be prepared by an injection molding, an extruding molding, a calender molding, or vacuum or press molding of a sheet.
Patent KR-20010017955-A (KR)
Inventor: KWON SANG DONG
IPC: H01L21/306
Filed: 1999-08-16
Abstract: PURPOSE: A method for etching a tungsten layer to form a bit line of a semiconductor device is provided to increase an align margin with a subsequent via by realizing a vertical profile of the tungsten layer and to increase an align margin with a subsequent buried contact by preventing a creation of a tungsten tail. CONSTITUTION: An interlayer dielectric(212), a barrier metal layer(214) and the tungsten layer(216) are deposited in sequence on a semiconductor substrate(210). The tungsten layer(216) is then etched under sulfur hexafluoride, chlorine and nitrogen atmosphere by using a plasma etching apparatus having a relatively lower power of 90 to 120 watts and a relatively lower pressure of 50 to 80 millitorr. Therefore, the etched tungsten layer(216) has a substantially vertical profile. Thereafter, the barrier metal layer(214) is etched as well, so that the bit line is obtained with a minute pattern.
Patent KR-19990083869-A (KR)
Title: 드릴
IPC: B23B51/02
Filed: 1999-08-18
Abstract: 본 발명은 구조물이나 공작물을 제작할 때 이에 구멍을 뚫는 드릴기의 드릴에 관한 것이다. 
     종래의 드릴은 이의 몸체가 단열재질로 되어 있고 이의 사용시 마모되는 부분은 드릴몸체의 선단부 좌우측에 형성된 1차절삭날과 2차절삭날이 뚫는 일을 담당하기 때문에 이 부분이 마모되면 전체를 폐기해야 하므로 재료의 허실이 있었고 이점을 개선할 목적으로 드릴몸체의 스크류부 선단에 좌우측에 절결부를 형성하여 이에 1차절삭날과 2차절삭날을 초경금속으로 별도로 성형하여 용접한 것이 제안된 바 있으나 이 경우는 중심잡기가 내무 힘들어 드릴몸체가 고속회전시는 떨림 현상이 생겨 정교한 구멍을 뚫을 수 없을 뿐만 아니라 회전압력을 용접부가 집중하여 받게되므로 용접부가 쉬히 파손되는 결점이 있었던 것이다. 
     본 발명은 이상의 문제점을 해결하고자 발명한 것으로 이의 발명요지는 드릴몸체의 스크류부 선단을 절단하여 이의 중심부에 축공(2')을 뚫고 이에 선단에 중심나사부(3')와 그 후방 좌우축에 1차 및 2차 절삭날(3")(3"')이 형성된 초경금속으로 된 팁(3)의 축봉(4)이 끼움되어 정확한 중심이 유지된 상태에서 용접부(5)에 의해 일체로 용접되게 하므로서 이를 사용하게 되면 중심이 정확하므로 조속회전시 떨리는 현상이 없어 정밀한 구멍을 뚫을 수 있고 또한 회전압력이 좌우로 분산되지 않고 중심부에 미치게 되므로 용접부가 파손되는 일이 없으며 또한 팁은 초경금속으로 되어 있어 작업성이 양호하고 수명을 현저히 연장시켜 주게 되는 것이다.
Patent KR-20010019806-A (KR)
Inventor: HAN GYEONG SU
IPC: F02N11/10
Filed: 1999-08-31
Abstract: PURPOSE: An automatic bus safety apparatus is provided to automatically function to operate safely without specific care at working in a bus engine room. CONSTITUTION: An automatic safety device comprises a battery(200) supplying power, a starting switch(INS) coupled with the battery, a safety switch(s2) connected with the starting switch and insulating power of the battery, a flap door switch(s1) opening a flap door covering an engine room, a relay switch connected with the battery, with the safety switch and with the flap door switch, and a start relay(300) coupled with the relay switch and transmitting power to a starting device. The relay switch is turned on in turning on the door switch and isolates power applied from the safety switch. The bus doesn't start in opening the flap door to work at the bus engine room. The automatic safety device prevents the operator from being injured by starting the engine suddenly and protects in double safely with pulling the handle of the safety switch.
Patent KR-20010036031-A (KR)
Inventor: CHO YEONG WON
IPC: F24C7/08
Filed: 1999-10-05
Abstract: PURPOSE: A rotation velocity control circuit for a DC hood motor of an OTR(over the range) is provided to reduce the manufacturing cost and improve productivity by employing a DC motor instead of an AC motor as a hood motor and controlling the rotation velocity of the motor with the circuit instead of a temperature sensor, and prevent overload from being applied to the motor by opening a fuse in case of abnormal operation of the motor. CONSTITUTION: A rotation velocity control circuit for a DC hood motor of an OTR includes a rectifying circuit part(402) for outputting DC power from input AC voltage, an AC voltage blocking part(401) connected between the AC voltage and the rectifying circuit part for turning on/off the AC voltage with relation to the rectifying circuit part, a first control part(404) for outputting a first control signal according to a rotation velocity selection for the DC motor, a second control part(406) for outputting a second control signal according to the first control signal, a third control part for outputting a third control signal according to the second control signal, the third control signal having a higher frequency than the second control signal, a fourth control part to be turned on/off by the third control part for controlling the rotation velocity of the DC motor, a DC motor operation state monitoring part for sensing a change of current according to the normal and abnormal operation of the DC motor and outputting a voltage according to the current change, and an overload preventing part(408) to be turned on/off by the output voltage of the monitoring part for applying a part of the output voltage of the monitoring part to the output of the third control part to turn off the AC voltage by the AC voltage blocking part.
Patent KR-20010038697-A (KR)
Inventor: WEE SEONG GIL
IPC: E21D9/00
Filed: 1999-10-27
Abstract: PURPOSE: A tunnel boring machine is provided to install a tunnel structure regardless of an earthy layer or a bedrock layer, to form a tunnel continuously regardless of the length of a tunnel and the structure of a stratum and to construct various shaped tunnel structures. CONSTITUTION: A tunnel boring machine comprises; a cylinder for press propelling supported to a bracing reaction wall(10) installed to a lower end sidewall of a vertical advance tunnel(101) excavated vertically to a regular depth from the ground(100) and adding force to push a tunnel structure under the ground in the horizontal direction of the vertical advance tunnel; a carrying bogie(94) supported or thrust by the cylinder for press propelling and pushed under the ground in the horizontal direction of the vertical advance tunnel to secure a tunneling space and advancing to a vertical target tunnel(102) excavated vertically at a regular depth from the ground while excavating earthy materials and bedrock inside the tunneling space; many tunnel structures(20) pressed continuously by the cylinder for press propelling into the tunneling space excavated by the carrying bogie to form a tunnel.
Patent KR-20010038760-A (KR)
Inventor: JUNG BAEK YEONG
IPC: F24F1/00
Filed: 1999-10-27
Abstract: PURPOSE: A multiple air conditioner is provided to reduce parts count and manufacturing cost by eliminating a bypass pipe and an electronic expansion valve mounted to the bypass pipe. CONSTITUTION: A multiple air conditioner comprises a compressor(23) for compression of the refrigerant; an outdoor heat exchanger(25) for receiving the refrigerant from the compressor and performing heat exchange operation; a plurality of indoor heat exchangers(3a-3c) installed to be communicated to the outdoor heat exchanger; a capillary tube disposed in the inlet side of the indoor heat exchanger and which reduces pressure from the refrigerant flowing from the outdoor heat exchanger and expands the refrigerant; and a liquid receiver(31) interposed between the outdoor heat exchanger and the capillary tube so as to form a refrigerant storage space. The liquid receiver accommodates a portion of the refrigerant pipe at the outlet side of the indoor heat exchanger and allows the refrigerant flowing from the indoor heat exchanger to be heat-exchanged with the refrigerant stored in the refrigerant storage space.
Patent KR-20000035176-A (KR)
Inventor: OKUBO HIROAKI
IPC: H01L27/108
Filed: 1999-11-03
Abstract: PURPOSE: An electronic device and a semiconductor device and a method for forming electrodes are provided to prevent bit lines from being short circuited, and to prevent bit lines from being cut. CONSTITUTION: An electronic device and a semiconductor device and a method for forming electrodes include a plurality of lines, a densed region, and a sparse region. The plurality of lines are arranged periodically. The line widths of some line pattern of the sparse region are wider than those of the line pattern of the densed region. The densed region is formed with a predetermined distance from the sparse region. The sparse region is formed with a minimum criterion distance from the densed region. The spacing of densed line patterns is A. The minimum criterion distance is B. The spacing of sparse line patterns is C. Then, the following condition is met. B is greater than or equal to A, and A times 2 is greater than or equal to B.
Patent KR-20010045345-A (KR)
Inventor: KIM HO KYUN
IPC: C10L1/32
Filed: 1999-11-04
Abstract: PURPOSE: Provided is emulsion fuel produced by mixing heavy oil and water and emulsifying the mixture in the presence of a catalyst mixture, which can economize energy and prevent pollution. CONSTITUTION: The emulsion fuel is produced by mixing 55-90wt.% of the heavy oil such as bunker C oil or petroleum with 45-10wt.% of the water and adding 0.3-0.8wt.% of the catalyst mixture to the mixture and emulsifying. The catalyst comprises caustic soda and calcium chloride in the weight ratio of 1:1, wherein part of the calcium chloride is replaced by calcium sulfate.
Patent KR-20000006858-A (KR)
Inventor: LEE BOU WOONG
IPC: A23L13/50
Filed: 1999-11-01
Abstract: PURPOSE: A method of sanitarily making a hatched chick to edible meat which has a problem of an overproduction of chicken at chicken raising is provided to reduce an allergy, suit most people taste and have highly nutritious. CONSTITUTION: Divided skin, hair, bill and claw from a chicken are heated in 0.5N HCl or NaOH at 85°C for 30min. and smashed, which are hydrolyzed with body in 2N HCl or NaOH and then is neutralized in HCl and NaOH, pressurized, steamed, and homogenized. In another method, a whole chicken is heated in a pot at 105°C, homogenized and centrifuged, and the residue with 2% of condensed phosphate and some water is heated at 105°C, agitated, and centrifuged. The residue is used for animal feed and soluble extract is used as an ingredient of agricultural products.
Patent KR-20000047625-A (KR)
Inventor: TRASAI WILLIAM JOSEP ND
IPC: H04N7/173
Filed: 1999-11-12
Abstract: PURPOSE: A method for a remote conversation with a television and an apparatus for doing the same and a computer program product implementing remote conversation method are provided to support program capability of video cassette recorder. CONSTITUTION: A method for a remote conversation with a television includes a first through a third steps. At the first step(82), a program schedule is down loaded on a first apparatus. At the second step(88), the program schedule is navigated in order to select a program out of the schedule of the first apparatus. At the third step(98), a signal corresponding to the program is transmitted to the television system.
Patent KR-20010048172-A (KR)
Inventor: KIM KWAN HOI
IPC: G06F17/00
Filed: 1999-11-25
Abstract: PURPOSE: A method for making a chatting image is provided to make thousands of images completed by setting the determined number of images by parts of a face, and by combining the images. CONSTITUTION: An upper menu needed to an image construction is set and constructed in a database(s10). A lower menu is set and constructed in the database(s20). A user who wants to participate in a chatting connects to a site which provides an image construction service(s30). The user selects the upper menu and the lower menu in order(s40). The user makes and stores a primary image (s50). The user corrects an unsatisfactory part(s60). After correcting the part, the user stores the final image(s70). The user selects a feeling menu(s80). The user participates in the chatting on the feeling menu(s90). The user completes the chatting(s100).
Patent KR-20010048522-A (KR)
Inventor: SHIN TAE HO
IPC: H01J11/12
Filed: 1999-11-26
Abstract: PURPOSE: A plasma display panel is provided to prevent the consumption of an ultraviolet rays generated upon a Xe discharge by forming a fluorescent film for emitting a short-wavelength and long-wavelength ultraviolet rays to the surface, inside and interface of structures on a front and backside substrates. CONSTITUTION: In a plasma display panel, front electrode groups(2) are composed of an X holding electrode and Y holding electrode. The front electrode groups are transparent electrode groups. An address electrode is formed in the backside of a backside substrate placed opposite to the front substrate as to form many cells formed in the point crossed to the front electrode groups. A front dielectric layer and a backside dielectric layer are formed on the transparent electrode and the address electrode respectively. Partitions(5) are formed on the backside dielectric layer by a desired space. A fluorescent film is formed on the backside dielectric layer between the partitions. Fluorescent films(10) for emitting a short/long wavelength(147nm-172nm) are formed on any one of the surface and the interface of a black stripe layer(3), a partition(5) and a backside dielectric layer.
Patent KR-20010055792-A (KR)
Inventor: KIM GU HWA
IPC: G01F23/26
Filed: 1999-12-13
Abstract: PURPOSE: A method for measuring the surface height in an electromagnetic casting is provided to improve the surface and inside quality of a molded product by stably controlling the surface, thereby obtaining a higher yield. CONSTITUTION: A method for measuring the surface height(3) in an electromagnetic casting includes the steps of applying high-frequency current to an induction coil(4) winding around a mold(1) in the electromagnetic casting by using a high-frequency power supply apparatus(5), measuring current value changed by induction current generated by an induction magnetic field formed in a molten material(2) positioned within the mold by using a current measuring apparatus(6), so that the surface height of the molten material is measured.
Patent KR-20010056525-A (KR)
Inventor: JANG DONG YEON
IPC: F28D1/04
Filed: 1999-12-15
Abstract: PURPOSE: A capillary heat exchanger is provided to promote reduction of pressure loss and to reduce heat exchanging performance by forming a heat exchanger in capillary type including a heat transfer pipe having a pipe diameter of lower than 6mm. CONSTITUTION: A capillary heat exchanger consists of cooling fins(200) having plural groups of slits(220) and heat transfer pipes(100) connected through each connecting hole(210) of the cooling fins. The heat transfer pipe of the capillary heat exchanger has a pipe diameter of 5-6mm smaller than one of the former heat transfer pipe of 9.52mm. The cooling fin has the width(W2) smaller than one of the former cooling fin. Each slit of the cooling fins is arranged in 4 rows of each group. A distance(P1) between the center of a connecting hole and the center of the other connecting hole is about 19-20mm. A distance(P2) between the center of a connecting hole and the center of the other connecting hole on the cooling fin is 10-11mm. Each slit is protruded in the same direction from a side of the cooling fins. Therefore, sudden pressure loss is prevented to the maximum as the distance between the cooling fins is reduced.
Patent KR-20000048271-A (KR)
Inventor: KATO SHINICHI
IPC: H01J29/50
Filed: 1999-12-21
Abstract: PURPOSE: A color cathode ray tub is provided to have a high resolution and optimize the shape of the electron beam spots over the entire viewing screen. CONSTITUTION: A color cathode ray tube includes third, fourth and fifth electrodes(4,5,6) and an anode(7) in its electron beam focusing section. A first-type electrostatic quadruple lens is formed between first and second members of the fifth electrode for focusing electron beams in one of horizontally and vertically and diffusing the electron beams in the other of horizontally and vertically increasingly with decreasing beam deflection, and a second-type electrostatic quadruple lens is formed between first and second members of the third electrode for focusing the electron beams in the other of horizontally and vertically and diffusing the electron beams in the one of horizontally and vertically increasingly with the decreasing beam deflection, and an electron lens is formed between the fourth electrode and a first aperture formed in a first surface of the second member of the third electrode adjacent to the fourth electrode, the first surface being on a side of the second member of the third electrode opposite from the fourth electrode, for diffusing the electron beams horizontally and focusing the electron beams vertically increasingly with the decreasing beam deflection.
Patent KR-20010062974-A (KR)
Inventor: JUN DONG SEOK
IPC: H03H2/00
Filed: 1999-12-21
Abstract: PURPOSE: A magnetostatic wave device for processing RF signals is provided to be suitable to shield energy transfer in frequency band outside the pass band by reducing the ripple within a transfer frequency band and the energy emission in non-magnetizing period. CONSTITUTION: I/O electrodes including energy conversion patterns(26b,27b) are formed on a dielectric substrate(21). A multi-layered magnetic structure(22) is formed on the dielectric substrate(21), and consists of magnetic active substrates laminated on both sides a magnetic passive substrate. An upper shield layer(28) is formed of conductor for preventing the coupling of the I/O electrodes. A lower shield layer(29) is formed by forming holes on the dielectric substrate(21) in the same direction as the lengthwise of the upper shield layer. Magnetostatic wave terminators are inserted into the dielectric substrate(21) to be positioned on both ends of the multi-layered magnetic structure(22). A magnetostatic wave reflector is formed of lines having variable width on the dielectric substrate(21).
Patent KR-20010057375-A (KR)
Inventor: KIM YEONG UK
IPC: G06F17/30
Filed: 1999-12-22
Abstract: PURPOSE: A method of controlling source system log table data for structuring data warehouse is provided to prevent the source system log table data from being omitted by transmitting data to the data warehouse periodically. CONSTITUTION: The method of controlling source system(10) log table data for structuring data warehouse(20) includes the first step of varying a name of a file which is under a directory under which data retrieving files are stored. Further, In the first step, data of which data type is recognizable by a data warehouse(20) are retrieved from a log table of a source system database(12). In the second step, the data file retrieved by the first step are transmitted to the data warehouse(20). In the third step, the data file transmitted by the second step are loaded into a data loading part. The transmission of data to the data warehouse(20) is performed by a UNIX data instruction.
Patent KR-20010057966-A (KR)
Inventor: JUNG U CHEOL
IPC: C25D3/00
Filed: 1999-12-23
Abstract: PURPOSE: An electroplating method capable of uniformly distributing the amount of the anode to be exhausted by removing a deviation in current density through the electric field of a plating electrode is provided, which eliminates waste of resources and anxiety of a short circuit. CONSTITUTION: In an electroplating method by disposing the plating anode and cathode to be plated in a plating cell containing an electrolyte, this method comprises the steps of: calculating data related to a distance between the plating anode and cathode to be plated; controlling a distance at the lower part of the cathode to be plated and distance at the upper part; and plating by generating voltages to the cathode and anode to be plated.
Patent KR-20010057979-A (KR)
Inventor: NAM CHEOL U
IPC: B65B27/00
Filed: 1999-12-23
Abstract: PURPOSE: A synthetic resin band is provided to perform a bundling function like wire harness and to reduce environmental pollution. CONSTITUTION: A synthetic resin band consists of a band(1) and a head(3) integrally formed on end of the band(1). At the same time as a sectional area in a circular form, a saw-tooth shaped sill(11) is defined. On the head(3), a support hole(12) is formed and a protrusion(13) is determined on the band(1) side and a cut portion(14) is formed at an opposed position of the protrusion(13). In case of bundling or fixing a wire harness, a proximal end of the band(1) is fitted to the support hole(12) and upon pulling the proximal end of the band(1), the saw-tooth shaped sill(11) slides over the protrusion(13). A diameter of the band(1) is reduced with diameter to bundle the wire harness or fix to an object to be fixed. In case of wrong selection of the bundled position, with pulling toward the cut portion(14), the band escapes from the support hole(12) so the band as to be divided from the wire harness. The cut portion(14) is returned to an original state and in case of not returned, the cut portion is narrowed with hand.
Patent KR-20010060571-A (KR)
Inventor: CHO MIN GUK
IPC: H01L27/115
Filed: 1999-12-27
Abstract: PURPOSE: An erasion method of a flash memory device is provided to reduce a recovery fail and to improve the characteristic of the device, by applying a bias to a well after an erase inspection is performed in an erase operation so that a recovery operation is carried out after making distribution of a cell narrow. CONSTITUTION: An erasion method of a flash memory device is composed of pre-program, erase, inspection and recovery operations. In the recovery operation, a predetermined voltage is applied to a drain while a control gate and a source are grounded, and a predetermined bias is applied to a well.