baber/WOPTO huggingface dataset:
Patent KR-20040026287-A (KR)
Title: Sound extension means of a korean lute
Inventor: CHO JUN SEOK
IPC: G10D3/02
Filed: 2002-09-24
Abstract: PURPOSE: A sound amplifying structure for a Korean harp is provided to maximize acoustic sound generated from the Korean harp by installing an auxiliary sound generating plate at an inner portion of the front plate of the Korean harp. CONSTITUTION: A sound amplifying structure for a Korean harp includes an auxiliary sound generating plate(10) installed at an inner portion of a front plate of the Korean harp. The auxiliary sound generating plate(10) has a planar plate shape and reflects sound transmitted thereto from a resonance box(6). Sound reflected from the auxiliary sound generating plate(10) is outputted to an exterior through the resonance box(6) and a sound vibrating hole(15). The size of the sound vibrating hole(15) formed at a rear plate(2) of the Korean harp is about 50 to 70% of the Korean harp.
Patent KR-20040026790-A (KR)
Title: Atmospheric plasma electrode of thin flim type
Inventor: BAEK JONG MUN
IPC: H05H1/26
Filed: 2002-09-26
Abstract: PURPOSE: A thin film type atmospheric pressure plasma electrode is provided to drastically improve the problems of the thermal loss and the discharge instability by completely joining the metal electrode to the dielectric layer using the sintering ceramic on metal(SCOM) technology. CONSTITUTION: A thin film type atmospheric pressure plasma electrode includes a pair of metal electrodes(2) and at least one dielectric layer(1). The dielectric layer(1) is formed between the pair of metal electrodes(2). The thin film type atmospheric pressure plasma electrode is characterized in that the joining between the planar metal electrodes and the dielectric layer is realized by using the sintering ceramic on metal(SCOM) technology.
Patent KR-20040033111-A (KR)
Title: MOS transistors having a reverse T-shaped gate electrode and fabrication methods thereof
Inventor: CHOI JEONG DONG
IPC: H01L21/8238
Filed: 2002-10-11
Abstract: PURPOSE: An MOS(Metal Oxide Semiconductor) transistors having a reverse T-shaped gate electrode and manufacturing methods thereof are provided to be capable of reducing the electrical resistance of source/drain regions. CONSTITUTION: An MOS transistor is provided with an active region defined on a semiconductor substrate(101), an insulated reverse T-shaped gate electrode(129) having a protrusion(129'), and a gate spacer(139a) formed at both sidewalls of the gate electrode. The MOS transistor further includes the first low concentration impurity region(131a) formed at the lower portion of the protrusion in the semiconductor substrate, the second low concentration impurity region(131b) formed at the lower portion of the first low concentration impurity region, and a high concentration impurity region(141) formed at both sides of the gate electrode in the semiconductor substrate.
Patent KR-20040035926-A (KR)
Title: Workpiece chip removing device of manufacturing machine having turn table
Inventor: KIM GWANG JIN
IPC: B23Q11/00
Filed: 2002-10-12
Abstract: PURPOSE: A device for removing work piece chips of a machine tool with a rotary table is provided to completely sweep out chips piled up on the rotary table, with a wiper. CONSTITUTION: A device for removing work piece chips of a machine tool with a rotary table comprises a housing(20) fixed to a side of the rotary table; a pair of reciprocating rods(30,32) vertically slidably installed to two parallel shafts of the housing; spring units(40) installed in the housing, to push the reciprocating rods downward by elastic force; and a wiper(39) connected and fixed to the lower ends of the reciprocating rods. One end of the wiper is hingably connected to one of the reciprocating rods through a guide-elongated hole(36a) and the other end is hingably connected to the other of the reciprocating rods through a guide-elongate hole.
Patent KR-20030031440-A (KR)
Inventor: HOFFMANN ANDREAS
IPC: B29C39/02
Filed: 2002-10-14
Abstract: PURPOSE: Provided is a process for producing solid polyurethane moldings having high inherent rigidity, thin walls and a complex geometry by a simple and inexpensive casting process. CONSTITUTION: The method comprises the step of: reacting (a) a diphenylmethane diisocyanate and/or polyisocyanate with a polyol component comprising (b) 30-70 wt% of a polyether polyol, (c) 25-50 wt% of a polyether having at least one group capable of reacting with an isocyanate group and at most 80% of primary hydroxyl groups, and (d) 0-30 wt% of a polyether polyol, wherein the amounts of components (b), (c) and (d) is based on the total weight of (b)+(c)+(d), respectively. The reaction is performed optionally in the presence of a catalyst and a conventional additive. Further, the types and proportions of components (b) to (d) are selected so that an average hydroxyl value of the mixture formed therefrom is greater than 300 mg KOH/g.
Patent KR-20040034042-A (KR)
Title: Ultra-fine fibrous carbon
Inventor: JUNG HAN GI
IPC: B82B3/00
Filed: 2002-10-17
Abstract: PURPOSE: Provided is a production method of filamentous nano carbon with diameter of 5-30nm, not containing hollows, and developed graphite structure by using metal alloy catalyst. CONSTITUTION: The filamentous nano carbon has the following characteristics of: (i) more than 95wt.% of carbon content; (ii) 5-30nm of filament diameter; (iii) more than 20 of aspect ratio; (iv) no continuous hollows inside filaments; (v) carbon hexagonal plane facing to the axis of filaments at an angle of 90degrees(columnar structure) or 10-45degrees(herringbone structure); (vi) 0.3370-0.3700nm of distance between carbon hexagonal planes and 2.0nm(more than 6 layers) of thickness of layered carbon hexagonal plane. The production method of Ni-Fe alloy catalyst using Ni as a main catalyst and Fe as an auxiliary catalyst, comprises the steps of: mixing nickel nitrate(or acetate) solution and iron nitrate(or acetate), adding 0.1-60wt.% of carbon black with low crystallinity and specific surface area under 100m¬2/g for Ni and Fe-dispersed carbon black; oxidizing carbon black, carrier, between 300-550deg.C by using gas mixed with Ar, He and N2 containing 5-40vol.% of O2 to be 1wt.% or less of carbon black; reducing carbon black between 400-520deg.C for 1-48hrs through 1-3 times by using gas mixed with Ar, He and N2 containing 5-40vol.% of H2. The filamentous nano carbon, applied to transparent and opaque films, composites, electromagnetic shields, capacity electrodes, etc., is produced by flowing 0.5-30sccm of mixed gas of H2 and saturated(or unsaturated) hydrocarbon containing C2-C6 such as ethylene, caethylene, propane, etc. per 1mg of catalyst into a horizontal or vertical furnace, and thermal treating at 300-499deg.C for 2-720min. The Ni-Fe alloy catalyst has a Ni/Fe weight ratio between 0.1/0.9 - 0.95/0.05, Ni-Co alloy catalyst has a Ni/Co weight ratio between 0.05/0.95 - 0.95/0.05, and Ni-Mo alloy catalyst has a Ni/Mo weight ratio between 0.1/0.9 - 0.9/0.1.
Patent KR-20040041192-A (KR)
Title: Data communication method between another emphysema mobile
Inventor: RYU JONG RYEOL
IPC: H04W92/18
Filed: 2002-11-08
Abstract: PURPOSE: A data communication method is provided to prevent restrictions caused due to the types of mobile terminals, while allowing for an effective management of user information. CONSTITUTION: A data communication method comprises a step of gaining an access to a mobile communication service provider through a mobile terminal, and downloading, to the mobile terminal, the program for converting user information into a common format or the common format into information for each type of mobile terminals; a step of selecting a number from the storing unit which stores user information in serial numbers; a step(S112) of selecting a communication mode for transmitting the user information; a step(S114) of checking whether a receiver mobile terminal is at a receiving mode if the selected communication mode is an infrared communication; a step(S115) of selecting the level of user information stored in the storing unit if the receiver mobile terminal is at a receiving mode; a step(S120) of checking the data corresponding to the item of the user information if the level of user information is selected; a step(S122) of converting the item of the user information into a common item by using the program for conversion; and a step(S123,S124) of reading the common item, length of the item data, inserting the total length of the packet data to a head section, and transmitting the data.
Patent KR-20040041242-A (KR)
Title: An assembly block device for shielding radiation And container X-ray inspection device
Inventor: CHOI HAN SU
IPC: G21F3/04
Filed: 2002-11-09
Abstract: PURPOSE: A prefabricated block unit for shielding radioactive rays and a container X-ray inspection system are provided to shield effectively the radioactivity by forming the block unit with steel, concrete, and lead. CONSTITUTION: A prefabricated block unit for shielding radioactive rays includes a projected part(36) and a shielding block(10) having an inserting part. The projected part(36) is formed by projecting one side of a cuboid. The inserting part of the shielding block(10) is combined with the projected part(36). The shielding block(10) is inserted into the inserting part of the neighboring shielding block. An outer wall of the shielding block is formed with steel. An inner side of the shielding block is formed with concrete or lead in order to shield the radioactivity. A fixing section is used for connecting the shielding blocks to each other.
Patent KR-20040042336-A (KR)
Title: Method of producing heat-resistant polyamide resin
Inventor: KIM YANG SU
IPC: C08G63/91
Filed: 2002-11-14
Abstract: PURPOSE: A method for preparing a polyamide resin is provided, to convert a waste polyester resin into a heat resistant polyamide resin with reducing reaction time and improving yield. CONSTITUTION: The method comprises the steps of reacting a polyester resin and a diamine compound in the presence of an organic solvent and an esterification catalyst by a batch process; and polycondensing the obtained batch product with removing glycol components by semibatch process. Preferably the polyester resin is polyethylene terephthalate and the diamine compound is p-phenylene diamine; the organic solvent is selected from the group consisting of n-dodecylbenzene, dimethyl sulfoxide, sulfolane, diethyl ether and their mixtures; and the catalyst is selected from the group consisting of lithium hydroxide, calcium hydroxide, lithium hydride, calcium hydride, lithium aluminium hydride, tetramethylammonium borohydride, lithium methoxide, calcium methoxide, lithium acetate, lead acetate, calcium acetate, manganese acetate, zinc oxide, boron oxide and their mixtures.
Patent KR-20040044586-A (KR)
Title: Auto on/off circuit
Inventor: CHOI JIN YOUNG
IPC: H03K17/94
Filed: 2002-11-21
Abstract: PURPOSE: An automatic flickering circuit using light is provided to reduce the power consumption by comparing the current of an input terminal to the current of the illumination detection unit to control the current according to the intensity of illumination. CONSTITUTION: An automatic flickering circuit using light includes an illumination detection unit, a comparator, a switching unit, and a rectification circuit unit. The illumination detection unit(10) detects the indoor intensity of illumination by using a light receiving device. The comparator(20) is used for comparing the current of the illumination detection unit to the current of a power supply. The amplification unit(30) amplifies the output current of the comparator. The switching unit(40) selects one of the current of an input terminal and the current of the amplification unit. The rectification circuit unit includes a transformer and a diode bridge to convert the AC current of the input terminal to the DC current.
Patent KR-20040045585-A (KR)
Title: A plated terminal tantal condenser and its manufacturing method
Inventor: HONG SEONG GU
IPC: H01G9/008
Filed: 2002-11-25
Abstract: PURPOSE: A terminal plated type tantalum solid electrolytic condenser and a method for manufacturing the same are provided to increase the volume of a tantalum element, while reducing inductance and resistance of the terminal by reducing the thickness of the terminal. CONSTITUTION: A method for manufacturing a terminal plated type tantalum solid electrolytic condenser, comprises a step of cutting an anode tantalum wire and welding the cut tantalum wire to a lead frame; a step of soldering the lead frame by using a silver adhesive; a step of forming a groove at a mold, extracting the anode tantalum wire through the groove, and performing a molding process; a step of blasting and cleaning the epoxy surface of the portion where a terminal is to be formed; and a step of forming a terminal by coating the blasted portion with a palladium and performing a nickel coating and electrolytic lead plating on the palladium-coated portion.
Patent KR-20040046947-A (KR)
Title: Dish washer
Inventor: HA JAE HUN
IPC: A47L15/42
Filed: 2002-11-28
Abstract: PURPOSE: A safety water supply valve assembly for a dish washer is provided to stop the supply of water regardless of the operation of a water supply valve by detecting the leakage of washing water. CONSTITUTION: A safety water supply valve assembly is composed of a base cover(52) installed at the bottom of a washer body, a back panel(54) installed at the back of the washer body and connected to the base cover, a valve case(62) installed at the back panel and having washing water inlet(62a) and outlet(62b), a water supply valve installed in the valve case, and a safety unit(72) installed at the base cover. The water supply valve opens/closes the inlet, and controls the flow of the washing water. The safety unit closes the outlet when the washing water leaks.
Patent KR-20040049027-A (KR)
Title: Device Having a Slit Type Nozzle for Jetting Mixed Fluid
Inventor: LEE JUN GYU
IPC: B05B1/04
Filed: 2002-12-03
Abstract: PURPOSE: A device having a slit type nozzle for jetting mixed fluid is provided to maintain a uniform blast pressure over the overall width of a substrate while having a cleaning ability. CONSTITUTION: The device(10) includes: a main body(12) arranged on the upper side of a target to be cleaned across the width of the target to be cleaned, with a space for mixing air and cleaner being formed longitudinally therein; an air supply duct(14) longitudinally formed in the main body, communicating with the upper end of the mixing space via an air passage(14a) and for supplying air supplied from an air source to the mixing space; a cleaner supply duct(16) longitudinally formed in the main body(12), communicating with the lower part of the mixing space via a cleaner passage(16a) and for supplying the cleaner supplied from a cleaner source to the mixing space; and a slit(20) formed along the lower end of the main body for jetting mixed fluid from the mixing space to the substrate.
Patent KR-20040050460-A (KR)
Title: Pocketpc shell emulator and emulation method thereof, and personal digital assistant comprising the same
Inventor: LEE YEONG GI
IPC: G06F15/02
Filed: 2002-12-10
Abstract: PURPOSE: A shell emulator for a pocket PC and an emulation method thereof, and a PDA(Personal Digital Assistant) including the same are provided to execute a pocket PC application on a handheld style shell, which is a basic shell of the Windows CE, without using the expensive pocket PC shell. CONSTITUTION: A pocket PC API(Application Programming Interface) parser(14) is installed on the handheld style shell, parses the API called by the pocket PC application(20), calls the handheld style shell(30) by generating a structure realizing the same function as the analyzed API and recognized on the handheld style shell, and outputs a result parsing the API called by the pocket PC application. An executing file parser(11) parses a predetermined part of the pocket PC application, and outputs it by changing to the information recognized on the handheld style shell. Controllers(12,13,15,16) make the API called from the pocket PC application executed by calling the API matched with the handheld style shell depending on the parsing result output from the pocket PC API parser and the changed information output from the executing file parser.
Patent KR-20040050504-A (KR)
Title: Liquid crystal composition corresponding moving image and liquid crystal display using the same
Inventor: BAN BYEONG SEOP
IPC: C09K19/20
Filed: 2002-12-10
Abstract: PURPOSE: A nematic liquid crystal composition for moving picture and a liquid crystal display device containing the composition are provided, to obtain a high phase transition temperature and a rapid response time by using a nematic liquid crystal compound having a high refractive index and a high dielectric constant. CONSTITUTION: The composition comprises a nematic liquid crystal compound represented by the formula 1, wherein R is CnH2n+1O, CnH2n+1 or CnH2n-1 (wherein n is an integer of 1-15); A is a phenylene or cyclohexane group or a direct single bond; B is a direct single bond, -CH2CH2-, -COO-, -C=C- or a carbon-carbon triple bond; X is H, F or Cl; Y is NCS, SCN or F; and Z1 and Z2 are independently H, F or Cl. Preferably the composition comprises 1-80 wt% of the nematic liquid crystal compound of the formula 1; and 20-99 wt% of at least one liquid crystal compound selected from the compounds represented by R2-A1-B1-X1, and the formulas 3 and 4, wherein R2 and CnH2n+1 or CnH2n (wherein n an integer of 1-15); X1 is F, CF3, OCF3, CH=CF2 or OCH=CF2; and A3, B2 and C are independently F, CF3, OCF3 or H.
Patent KR-20040050607-A (KR)
Title: Automatic Garnet supplying and blasting machine
Inventor: KIM DO HOON
IPC: B24C3/00
Filed: 2002-12-10
Abstract: PURPOSE: A device for blasting and automatically supplying garnet is provided to prevent the musculoskeletal diseases of workers and to improve work efficiency by automatically supplying garnet to a reservoir tank via an air ejector. CONSTITUTION: A garnet blast includes a garnet reservoir tank(12a) installed on a trolley frame having a caster, a filter(22) blocking the movement of a portion of garnet(8a) sucked into the reservoir tank to an air ejector(4), a filter protecting case(24), the air ejector sucking garnet(8) received in an outer container(6) and charging the garnet in the reservoir tank, and a silencer(26) reducing the noise produced from the air ejector.
Patent KR-20040054101-A (KR)
Title: Semiconductor device and method for the same
Inventor: KO GWAN JU
IPC: H01L21/76
Filed: 2002-12-17
Abstract: PURPOSE: A semiconductor device and a manufacturing method thereof are provided to be capable of conserving the degree of integration for the semiconductor device and securing contact margin enough. CONSTITUTION: A semiconductor device is provided with a semiconductor substrate(10) having a trench, an oxide layer(12) formed at both inner sidewalls of the trench as much as a predetermined width, and an epitaxial silicon layer(16) formed between the oxide layers in the trench. The semiconductor device further includes an insulating layer(14) between the oxide layer and the epitaxial silicon layer, and a discrete semiconductor device formed on the epitaxial silicon layer.
Patent KR-20040060094-A (KR)
Title: a chain manufacture device and it's manufacture method
Inventor: MOOM KYE IK
IPC: B21L1/04
Filed: 2002-12-30
Abstract: PURPOSE: An apparatus and a method for manufacturing chain are provided to prevent coming off of the rectangular wire rod inserted into the ring without a separate welding process by removing a gap between a rectangular wire rod inserted into a ring of chain and the ring so that the wire rod is cohesively and integrally inserted into the ring. CONSTITUTION: The apparatus comprises a processing part(100) comprising a lower die(110) on which a guide groove for transferring the chain(10) is formed in one direction, and in which a rectangular wire rod supply groove is formed perpendicularly to the guide groove, and an upper die(120) comprising first punch(122) installed on an upper side of the lower die in such a way that the first punch is lifted and lowered to punch the inner side of rings in a certain shape, and second punch(124) installed at one side of the first punch to cut rectangular wire rods(12) supplied along the rectangular wire rod supply groove and insert the cut rectangular wire rods into a perforated part of the rings in such a way that the cut rectangular wire rods are closely adhered to the perforated part of the rings; a chain supporting part(200) reciprocated in a direction perpendicular to the guide groove by first projection bar(220) installed on the upper die by descent of an upper die with the chain supporting part being installed at one side of the guide groove to prevent opening of the rings by fixing and supporting the chain when perforating the inside of the rings using first punch of the processing part and inserting the rectangular wire rods into the inside of the rings using second punch; a rectangular wire rod supply part(300) reciprocated in the same direction as the rectangular wire rod supply groove by second projection bar(320) installed on the upper die by descent of the upper die to transfer the rectangular wire rods supplied along the rectangular wire rod supply groove in a certain distance; and a chain transfer part(400) reciprocated in the same direction as the guide groove by third projection bar installed on the upper die by descent of the upper die to move the chain transferred along the guide groove.
Patent KR-20040061379-A (KR)
Title: Package prevented from the EMC flowing into via hole during the PCB fabricating process and the manufacturing method thereof
Inventor: KIM JONG HO
IPC: H05K3/42
Filed: 2002-12-30
Abstract: PURPOSE: A package and a method for manufacturing the same are provided to reduce the size of the circuit and simplify the configuration of the circuit in packages for infrared data association. CONSTITUTION: A method for manufacturing a package, comprises a step of processing through holes on a printed circuit board; a step of plating the printed circuit board with a conductive material; a step of depositing an insulating or conductive ink on the printed circuit board, and filling the through holes with an insulating or conductive ink; a step of processing a blind via hole(55) on the lower surface of the printed circuit board; and a step of coating the inner wall of the blind via hole with a conductive material by plating the printed circuit board with another conductive material.
Patent KR-20040061973-A (KR)
Title: Method for fabricating AND type flash memory cell
Inventor: HAN CHANG HUN
IPC: H01L27/115
Filed: 2002-12-31
Abstract: PURPOSE: A method for manufacturing an END-type flash memory cell is provided to improve integration degree by self-aligning simultaneously an isolation pattern and a junction pattern. CONSTITUTION: A pad nitride pattern is formed on a silicon substrate(31) with a pad oxide layer. Junction regions(39a) are formed by implanting dopants into the exposed substrate. An insulating spacer is formed at both sidewalls of the pad nitride pattern. By selectively removing the pad oxide layer and the substrate using the insulating spacer as a mask, a trench is formed to divide the junction regions. A gap-fill oxide layer is formed in the trench. By selectively removing the gap-fill oxide layer, the insulating spacer, the pad nitride pattern and the pad oxide layer, an isolation pattern(47a) and a junction pattern are simultaneously formed.
Patent KR-20020026942-A (KR)
IPC: H01L21/265
Filed: 2001-05-04
Abstract: 본 발명은 처리하는 동안 반도체 웨이퍼의 활성표면을 균일하고 제어가능하게 가열하기 위한 장치, 시스템 및 방법에 관한 것으로, 본 발명은 단일 반도체 웨이퍼상에서 스캔하도록 동작하는 스캐너 어셈블리를 포함하고, 복사에너지원은 상기 스캐너 어셈블리의 주 몸체내에 밀폐되어 제공되며, 상기 복사에너지원은 방출된 복사열을 반사하고 흡수하는 반사/흡수면에 의해 둘러싸일 수 있어서, 결과적인 에너지 출력이 실질적으로 균일하도록 하고, 반사된 에너지는 스캐너 어셈블리내 슬릿을 통해 웨이퍼로 향하며, 스캐너 어셈블리에서 새어나오게 되는 협대역 파장의 에너지는 웨이퍼 표면의 활성층만을 가열하기 위해 웨이퍼상에 균일하게 스캔되는 것을 특징으로 한다.