baber/WOPTO huggingface dataset:
Patent KR-20020017833-A (KR)
Title: A method for forming a dual transistor of a semiconductor device
Inventor: KIM JEONG SU
IPC: H01L27/11
Filed: 2000-08-31
Abstract: PURPOSE: A method for forming a dual gate electrode of a semiconductor device is provided to reduce the size of a p-channel metal-oxide-semiconductor(PMOS) transistor by replacing a buried channel PMOS by a surface channel PMOS transistor. CONSTITUTION: A polysilicon layer is deposited on a semiconductor substrate(31). N-type impurities are doped to an n-channel metal-oxide-semiconductor(NMOS) region of the polysilicon layer to form an n-type polysilicon layer(35). P-type impurities are doped to a PMOS region to form a p-type polysilicon layer(37). High-density n-type impurities are doped to the upper portion of the n-type and p-type polysilicon layers to form a high-density n-type doping layer(39). The n-type and p-type polysilicon layers are patterned to form a gate electrode. An insulation layer spacer(41) is formed on the sidewall of the gate electrode. A nitride layer(43) is formed on the resultant structure. A planarized interlayer dielectric(44) is formed on the resultant structure. The interlayer dielectric is over-etched to a degree that the nitride layer on the p-type polysilicon layer constituting the gate electrode and an insulation layer spacer are etched. The exposed nitride layer on the insulation layer spacer and the semiconductor substrate is etched by a self-aligned method to form a bit line contact hole exposing the semiconductor substrate, and a part of the upper portion of the p-type gate electrode is etched. A barrier metal layer(47) is deposited on the bit line contact hole including the etched portion of the p-type gate electrode. The first metal interconnection(49) filling the contact hole is formed.
Patent KR-20000072397-A (KR)
Inventor: LEE YONG IL
IPC: G06F17/00
Filed: 2000-09-01
Abstract: PURPOSE: A portable information managing medium and a process system and a method of the same are provided to manage information of members, finance, business, e-mail, record of finance and etc. CONSTITUTION: A portable information managing medium(10) manages various information. A portable information managing medium(10') changes a business management information with the portable information managing medium(10). An information managing medium process terminal(20) processes an information selected by the portable information managing medium(10) and provides an information generated by the portable information managing medium(10, 10').
Patent KR-20020019278-A (KR)
Title: Method for recycling the tundish
Inventor: HUH SEONG CHEON
IPC: B22D41/00
Filed: 2000-09-05
Abstract: PURPOSE: A method for hot recycling a tundish is provided which not only prevents adverse impact on casting products using a cleaning burner, but also discharges metal and slag inside the tundish by compensating cooling of the tundish without using of the cleaning burner. CONSTITUTION: In a method for hot recycling a tundish(4) after completing casting, the method comprises a first sealing step of sealing an opening which is formed on the tundish using a sealing material(12,15); a slag discharging step of discharging metal and slag inside the tundish by tilting the opening opened tundish to a certain angle at a slag discharging place; a repairing step of repairing and/or exchanging refractory parts mounted on the tundish; and a second sealing step of sealing the tundish with an inert gas after moving the repaired tundish to a cast house, wherein the opening is sealed with cerawool, and the inert gas is supplied into the tundish while tundish refractories are repaired and/or exchanged.
Patent KR-20020021744-A (KR)
Title: Bit-rate independent optic-electrical cross-connect device in optical transmitting system
Inventor: HWANG SEONG TAEK
IPC: H04B10/00
Filed: 2000-09-16
Abstract: PURPOSE: An optical cross connect apparatus irrespective of a transmission speed in an optical transmission system is provided to easily perform an interface and control process with a CPU by concentrating one temperature sensing unit and the 2N numbers of transmission speed discriminating units in a switch board with a big size. CONSTITUTION: A demultiplexer(210) demultiplexes an input optical signal by channels. The N numbers of BICDR(Bit rate Independent Clock and Data Recovery) receiving units(202) convert optical signals by channels outputted from the demultiplexer(210) into electric signals. A switch board includes NxN cross connect switches(205) for receiving the electric signals outputted from the BICDR receiving units(202) at their input ports, performing a pass routing, and outputting the electric signals through output ports. The N numbers of BICDR transmitting units(206) convert the electric signal of each output port of the NxN cross connect switches(205) into an optical signal. A multiplexer(211) multiplexes the optical signals provided from the N numbers of BICDR transmitting units(206). A CPU(208) controls the flow of the electric signal.
Patent KR-20020021851-A (KR)
Title: 3-Hydroxychromene-4-on derivatives useful as cyclin dependendent kinase inhibitors
Inventor: CHOI SE HYEON
IPC: C07D405/04
Filed: 2000-09-18
Abstract: PURPOSE: Provided are 3-Hydroxychromen-4-on derivatives useful as cyclin dependent kinase inhibitors, their pharmaceutically acceptable salts, hydrates, solvates and enantiomers. Also, provided are their manufacturing method, and an anti-cancer composition containing pharmaceutically acceptable carrier and the above compounds as active ingredients and having excellent antiproliferative effects to be effective in inhibiting and treating diseases relating to cell growth, such as cancer, inflammation, angiogenesis or the like. CONSTITUTION: 3-Hydroxychromen-4-on derivatives are represented by the formula(1), (2) and (3), wherein R1 is hydrogen, alkyl, amino alkyl or hydroxy alkyl group; R2 is hydrogen, methyl, trifluoromethyl or halogen; R3 is alkyl, amino alkyl or hydroxyl alkyl group; and X is halogen.
Patent KR-20000072803-A (KR)
Inventor: PARK JONG HYOUK
Filed: 2000-09-28
Abstract: PURPOSE: A method for providing advertisement Hwatu cards, advertisement cards, and many games' game point through internet and PC communication-3 is provided to increase the advertisement recognition rate, to issue company ID to each business by promoting cooperation between businesses, and to supply game points as the customer gift from the business. CONSTITUTION: A method for providing advertisement Hwatu cards, advertisement cards, and many games' game point through internet and PC communication-3 is composed of registration, collection, accumulation, and participation. A user registers as a member and receives an ID by inputting detailed personal information, such as the age and sex. The advertisements that correspond to the member information is collected from the advertisement DB and exposed to the member. The member's game point can be received as the customer gift from the cooperating business. The game point can be accumulated by clicking the designated banner advertisement or inputting the advertisement word array. The member can participate in the card games or the Hwatu card game with other members using the game program.
Patent KR-20010040036-A (KR)
Inventor: ITO TOMOHIRO
IPC: H04R1/10
Filed: 2000-10-09
Abstract: PURPOSE: To obtain a headphone of an ear hang mount method by which mount of the headphone is much facilitated so as to enhance followingness of the headphone to the ear and give no trouble in long time use. CONSTITUTION: A speaker unit is built in a headphone main body section, has a sound section of the speaker unit covered with an ear pad 3 at its front side, and its rear side is covered with a housing 4. The housing 4 is provided with a rotary shaft 5 turnably at an angular position offset within 45 degrees with respect to a normal in the center of the headphone main body section, an ear hook arm 8 is fitted to the rotary shaft 5 and placed toward the ear pad 3. Furthermore, the turn range of the rotary shaft 5 is limited and the rotary shaft 5 is temporarily locked at a turned position by a turn position lock means and energized in a return direction with the ear hook arm 8 by the return of a torsional spring 12.
Patent KR-20020028538-A (KR)
Title: Construction method of golf course
Inventor: LEE JONG HA
IPC: A63C19/00
Filed: 2000-10-10
Abstract: PURPOSE: A method for constructing a golf course is provided to enable a golfer in a simple course of six or less holes to feel as if he/she is in a regular course of eighteen holes. CONSTITUTION: The golf course consists of three to six greens(1), and tee areas(3) at both sides of the greens, more particularly consists of four greens, and eight or less tee areas. Selectively, the tee area is provided at the only one side of the green. Each tee area and green have different marks distinguished by different colors and specific marks so as to make a golfer to feel as if he/she plays in a regular course of eighteen holes, thus it is possible to construct the golf course even in a narrow place.
Patent KR-20020029954-A (KR)
Title: A polyester yarn with excellent drawing and dyeing properties
Inventor: KIM SI MIN
IPC: D01F8/14
Filed: 2000-10-16
Abstract: PURPOSE: A polyester having low crystallinity, orientation degree and density is provided. Therefore, it has high dyeability and causes no yarn breakage in a high speed drawing process. Also it is low in lowering of physical properties because it does not use an excess of copolymer components. CONSTITUTION: The polyester fiber is obtained by spinning 100 parts by weight of polyethylene terephthalate and 11 to 18 parts by weight of a different kind of polyester as an orientation inhibitor and has an amorphous orientation degree of 0.4 to 0.5. The different kind of polyester is polybutylene terephthalate or polytrimethylene terephthalate.
Patent KR-20020030141-A (KR)
Title: Cosmetic material containing Padina Pavonica extract
Inventor: CHO JIN HUN
IPC: A61Q19/08
Filed: 2000-10-16
Abstract: PURPOSE: Provided is a cosmetic composition containing padina pavonica extract for skin protection. Particularly, the composition contains the extract of brown algae to improve wrinkles on the skin and make the skin firm. CONSTITUTION: The cosmetic composition is characterized by comprising 0.1-20.0 wt.% of padina pavonica extract which relieves skin stimulation, and increases skin texture and improves wrinkles on the skin by stimulating aminoglucan synthesis.
Patent KR-20020031684-A (KR)
Title: Manufacturing method of aqueous acrylic compound for floor
Inventor: RYU JUNG GEUN
IPC: C04B28/04
Filed: 2000-10-23
Abstract: PURPOSE: A highly functional acryl flooring agent using acryl copolymer including water-repellent component, calcium stearate, is provided, which is excellent in abrasion resistance, strength, impact resistance, weather resistance and water repellence. CONSTITUTION: The preparation method of water soluble acryl flooring agent is as follows: (i) preparing an acryl-based emulsion by adding 180-200pts.wt. of acryl resin copolymer, such as methyl methacrylate copolymer with 40-50% of solid, to calcium stearate dispersant which is obtained from dissolving 5-10pts.wt. of non ionic surfactant, such as polyoxyethylene stearylether, into 35-55pts.wt. of water(40-50deg.C) and adding 40-60pts.wt. of calcium stearate; (ii) preparing a white portland cement mixture obtained from mixing 100pts.wt. of white portland cement, 50-70pts.wt. of silica, 5-9pts.wt. of chromic oxide and 0.1-0.5pts.wt. of polyoxyethylene laurylether; (iii) mixing (i) with (ii) in a weight ratio of 1 : 0.25.
Patent KR-20020037228-A (KR)
Title: Burner for gas range
Inventor: LEE HAK GWON
IPC: F23D14/82
Filed: 2000-11-13
Abstract: PURPOSE: A burner of a gas instrument is provided to prevent a back burn of a flame and a back burn sound generating when extinguishing the gas instrument by installing a back burn preventing plate. CONSTITUTION: A burner of a gas instrument comprises a nozzle for injecting a fuel, a mixing pipe(1) for introducing air, a burner body(3) formed integrally at the mixing pipe(1), a burner head(30) placed on the burner body(3), a burner cap(32) of a circle type placed on the burner head(30), a back burn preventing plate(34) installed at the burner head(30) and an ignition plug. The back burn preventing plate(34) is placed between a burner head(30) and a burner cap(32). The back burn preventing plate(34) is a member of plane plate shape having a plurality of hole(36) through passing the gas.
Patent KR-20020038431-A (KR)
Title: V - eye clean
Inventor: KIM MAN SOON
IPC: A61K36/03
Filed: 2000-11-17
Abstract: PURPOSE: An eye lotion obtained by extracting vegetables, seaweeds, mushrooms or the like and mixing purified salt is provided which is effective for the remedy and prevention of eye diseases such as acute and chronic conjunctivitis. CONSTITUTION: A specified amount of salt is heated at high temperature and mixed with a mixture of oak leaves, kelp, sweet potato leaves, Ganoderma lucidum, Lentinus edodes and bamboo in a ratio of 96:4. The mixture is heated at 1,100 to 1,400deg.C to produce a melted solution. The above procedure is repeated at least 6 times to produce a final product and 0.1% by weight of the product is mixed with 1,000ml purified water.
Patent KR-20020039905-A (KR)
Title: Front Ventilation Structure for Gas Oven Range
Inventor: KIM HYEONG JONG
IPC: F24C15/20
Filed: 2000-11-22
Abstract: PURPOSE: A front exhaust structure of a gas oven range is provided to smoothly discharge the exhaust heat of high temperature exhausted from an oven cavity so that the combustion and cooking performance is improved, and to be safely used because the low temperature exhaust heat is discharged through the front of the gas oven range. CONSTITUTION: A front exhaust structure of a gas oven range comprises an oven part, a collecting part(34) collecting the heat generated from the oven part, a front exhaust passage(LF) discharging the exhaust heat of the collecting part to the front of the oven range, and a cooling fan unit(70) forcibly inhaling the outer air to forcibly ventilate the front exhaust passage. A plurality of intake ports(32) in which the exhaust heat is inhaled are formed at one side of a bottom of the collecting part. The bottom part is inclined upward from the bottom side forming intake ports to the other side of the bottom of the collecting part.
Patent KR-20020042366-A (KR)
Title: apparatus for reducing noise for power steering system
Inventor: KANG DO GAP
IPC: B62D5/083
Filed: 2000-11-30
Abstract: PURPOSE: A noise reducing device of a power steering system is provided to effectively reduce the noise due to the cavitation generated by the manipulation of the steering wheel. CONSTITUTION: A noise reducing device of a power steering system includes a sectional area reducing part, of which a sectional area is reduced, provided to a return tube connected to a return port of a control valve, wherein the sectional area reducing part is formed of an orifice(36) inserted and fixed in a fixing tube(34') of the return tube where the fixing tube is connected to a connection tube(32) of the return tube.
Patent KR-20020049871-A (KR)
Title: Semiconductor laser diode comprising ridge wave guide and method for manufacturing the same
Inventor: CHO JE HUI
IPC: H01S5/323
Filed: 2000-12-20
Abstract: PURPOSE: A semiconductor laser diode comprising a ridge waveguide and a fabrication method thereof are provided, which prevents a resonance width from being widened as decreasing a threshold current and also prevents a light loss because a lower part of a ridge is caught by a light waveguide. CONSTITUTION: A projected ridge part is comprised on one epi layer among the first and the second epi layer in a vertical direction to an active layer(46b), which is formed between the first and the second epi layer having a lower refractive index than the active layer. The semiconductor layer contacts with an electrode through the ridge part. A side of the ridge part comprises at least two regions having different angles each other. A width of a part close to the active layer of the ridge part becomes wider as going close to the active layer. A ratio of a part(C2) where the width of the ridge part begins to become wider to other part(C1) is 2/1. The first epi layer comprises the first compound semiconductor layer(42) formed on a substrate(40), and the first clad layer(44) formed on the first compound semiconductor layer and the first waveguide layer(46a) being formed on the first clad layer and having a larger refractive index than the first clad layer.
Patent KR-20020052268-A (KR)
Title: wheel alignment automatic control system of vehicle
Inventor: LEE TAE SEOK
IPC: B62D17/00
Filed: 2000-12-26
Abstract: PURPOSE: An automatic adjusting apparatus of wheel alignment for a vehicle is provided to improve traveling stability by wearing tires evenly with adjusting the caster angle and the camber angle automatically during traveling. CONSTITUTION: An automatic wheel alignment adjuster is composed of vehicle height and speed sensors(110,120) detecting the height and speed of a vehicle during traveling; a control unit(200) outputting a control signal according to output from vehicle height and speed sensors; an actuator having variable rotational force according to the control signal from the control unit; a strut insulator(400) having a gear(410) in the outer periphery, and interlocking with engaging with a driving shaft(310) of the actuator; a piston rod(500) combined with the middle of the strut insulator; and a piston center(600) combined with the lower part of the piston rod, rotated by a guide(700) and formed eccentrically. The wheel alignment is adjusted automatically according to vehicle speed and load during traveling. Traveling stability is improved with wearing tires evenly by adjusting the caster angle and the camber angle automatically.
Patent KR-20020053180-A (KR)
Title: Variable rain gutter apparatus for vehicle
Inventor: CHUN U JIN
IPC: B60R13/06
Filed: 2000-12-27
Abstract: PURPOSE: A variable rain gutter apparatus is provided to reduce a noise of a rain gutter by constituting the rain gutter to perform a rain gutter function when it rains, and to perform a molding function at ordinary times. CONSTITUTION: A variable rain gutter apparatus(20) comprises a rain gutter(22), a link device(24), a pneumatic device(26), and a controller(28). The rain gutter(22) is installed at one side of the first mold for molding a windshield glass, and operates when a wiper is driven. The rain gutter comprises a body, a mold wing portion(40), and a plurality of slide holes. The body is guided along a rain gutter recess provided to the air pillar panel, bent into an upper side of the body, and forms closely the mold wing portion on the first mold. A plurality of slide hole is formed to connect the link device to a lower portion of the body.
Patent KR-20020054451-A (KR)
Title: Vocoder using aal5 in mobile communication system based on atm switch
Inventor: KIM SEON GUK
IPC: H04L12/28
Filed: 2000-12-28
Abstract: PURPOSE: A vocoder using AAL5(ATM Adaptation Layer 5) in an ATM switch-based mobile system is provided to carry out conversion and reverse conversion for AAL5 cells into Qcelp voice data. CONSTITUTION: A vocoder using AAL5 in an ATM switch-based mobile system is composed of an STM1 link interface part(81), an AAL5 conversion part(80), the first and third memories(82,86), the second and fourth memories(83,85), and a digital signal processing part(84). The STM1 link interface part(81) receives ATM data through an STM1 link. The AAL5 conversion part(80) converts the AAL5 cells received to the STM1 link interface part(81) into Qcelp data. The first and third memories(82,86), connected to the AAL5 conversion part(80), provide VP/VC routing and a memory address for each voice call. The second and fourth memories(83,85), connected to the AAL5 conversion part(80), store ATM cells for their conversion reverse conversion and transmission. The digital signal processing part(84) executes digital processing for the Qcelp data output from the AAL5 conversion part(80).
Patent KR-20010070370-A (KR)
Title: Two-port valve
Inventor: SAKURAI TOYONOBU
IPC: F16K1/48
Filed: 2000-12-28
Abstract: PURPOSE: To provide a two port connection valve capable of automatically correcting inaccurate parallelism of its valve element and valve seat with excellent sealing performance and easy for assembling and replacement of the valve element. CONSTITUTION: In this two port connection valve, a shoulder part 51 and a small diameter part 52 are formed near the end part of a shaft 15, a groove part 55 for fitting a snap ring 54 is provided near the tip part of the small diameter part 52, a valve element 25 is provided with a through-hole for inserting the small diameter part 52 and an annular stepped part formed by enlarging a part of the through-hole, the stepped part is provided with a seal member 65 for sealing between the shaft 15 and the valve element 25, a plate 66 is provided between the valve element 25 and the snap ring 54, the valve element 25 is pushed against the shoulder part 51 and locked, pressing the seal member 65 attached to the stepped part.
Patent KR-20020056032-A (KR)
Title: Epoxy molding compound for semiconductor packaging
Inventor: CHO GYEONG SU
IPC: C08L63/00
Filed: 2000-12-29
Abstract: PURPOSE: Provided is an epoxy resin composition which is used to seal a package in transfer molding manner in order to protect a chip during manufacturing process of highly integrated memory device. CONSTITUTION: The epoxy resin composition comprises an epoxy resin, a phenolic hardening agent, and a mineral filler. The mineral filler consists of 20-80 wt% of the first silica obtained by removing silica having average particle size of 50-100 micrometer from global silica having average particle size of 20-30 micrometer in sieving manner; 10-30 wt% of the second silica obtained by removing a silica having particle size of 50-100 micrometer from angular silica having particle size of 12-17 micrometer in sieving manner; and 10-20 wt% of global silica having average particle size of 0.01-5 micrometer. The viscosity of the resin is 80-100 poise.
Patent KR-20020056677-A (KR)
Title: Organic el display panel for irradiating to upper and lower
Inventor: JU SEONG HU
IPC: H05B33/00
Filed: 2000-12-29
Abstract: PURPOSE: A two way organic EL display panel is provided to reduce manufacture cost and thickness of a handheld phone by enabling two way luminescence and display. CONSTITUTION: A two way organic EL display panel comprises a glass plate(14) and cathode electrodes on both surfaces of the glass plate(14). An organic layer(18) and an ITO electrode are formed over the glass plate(14) having the cathode electrodes. Such an element is packaged by using two transparent plates. The two way organic EL display panel may comprises a glass plate(14) and ITO electrodes(16) patterned as anodes on the glass plate. An organic layer(18) is formed over the glass plate having the ITO electrodes. An ITO transparent electrode(20) is formed as a cathode on the organic layer(18). After patterned, the ITO electrodes(16) are subject to pretreatment with plasma to have work function higher than that of the ITO transparent layer(20).
Patent KR-20020059052-A (KR)
Title: garbage truck
Inventor: LEE MYEONG GUN
IPC: B65F3/14
Filed: 2000-12-30
Abstract: PURPOSE: A food waste processor is provided to carry heavy food waste and to make the food waste to forage by hygienically processing the food waste. CONSTITUTION: A food garbage can on a support is lifted through a rail by a hydraulic cylinder. Food waste is inserted by falling down the food garbage can toward an inlet through a curved portion of the rail. Moisture in the food waste is separated by moving the food waste to a compressing pipe(24) through a hopper(21) and compressing through a compressing screw(22). The moisture is stored in a sewage tank(30) through a sewage drain port(25). The food waste without moisture is stored in a processing tank. The sewage is drained to a purifying facility through a drain plug(31). The food waste is recycled by horizontally moving a discharging plate with opening a rear gate.