baber/WOPTO huggingface dataset:
Patent KR-20030090481-A (KR)
IPC: H01L23/48
Filed: 2002-09-27
Abstract: 본 발명은 비도전성 충전제의 약 5 중량부 내지 약 25 중량부를 포함한 비도전성 접착제에 의한 IC 칩 본딩 방법을 기술하고 있다. 상기 충전제 재료에서 충전제 입자는 범프를 형성하는 재료보다 크며, 바람직하게는 적어도 2배 더 큰 경도를 가져야만 한다. 더욱이, 상기 충전제 입자는 IC칩 상에 있는 다수의 범프사이에 전기적 단락이 발생하지 않도록 비도전체이어야 한다. 접착제에서의 상기 충전제의 농도는 IC 칩과 기판의 열팽창계수와 일치하도록 해서 접착제의 열팽창계수를 감소시키기 위해 충분히 커야 하고 IC 칩상의 범프와 기판상의 본드패드사이의 전기적 소통을 방해하지 않도록 충분히 낮아야 한다.
Patent KR-20040028072-A (KR)
Title: Channel Auto-Determining Method for Access Point in Wireless LAN
Inventor: JUNG HAN UK
IPC: H04B7/26
Filed: 2002-09-28
Abstract: PURPOSE: An automatic channel setting method is provided to automatically set preferred channels and minimize interference between channels of access points. CONSTITUTION: An automatic channel setting method comprises a first step(42) of selecting, as a preferred channel, the group of channels to be used independently from among the channel region allocated as a wireless LAN region, and giving a weighted value to the selected preferred channel; a second step(43) of receiving noise information including a peak noise level and an average noise level for the selected preferred channel; a third step(44,45,46) of summing the peak noise level and the average noise level, and setting, as the channel of the access point, the channel having the least sum if the channel having the least sum is one; and a fourth step(47) of setting, as the channel of the access point, the channel having the lowest peak noise level if the channels having the least sum are two or more.
Patent KR-20020082822-A (KR)
Inventor: LEE HYON TAK
IPC: A47K10/24
Filed: 2002-10-02
Abstract: PURPOSE: Provided is a hanging device for the toilet paper roll which fixes the roll paper preventing unfolding of the toilet pater when it is dropped. CONSTITUTION: The device comprises: a supporting bottom plate(1) which is fixed to a flat surface by both end adhesive tape; inserting toilet paper roll and attaching the cover(2) with opening part and horizontal slit. The device is made of plastic, wood or stainless steel.
Patent KR-20030031427-A (KR)
Title: Fishing bucket
Inventor: YAGI HIROSHI
IPC: A01K97/20
Filed: 2002-10-14
Abstract: PURPOSE: To provide a bucket for fishing capable of keeping the collapsed state by engaging the bottom part with the inside of the opening. CONSTITUTION: The body 1 of the bucket is composed of a circumferential part 1b, a bottom 1c, and an upper opening and formed by welding the edge of a flexible moisture-impermeable synthetic resin sheet. A rigid frame 4 (made of metal or a synthetic resin) is formed along the opening, and the synthetic resin sheet constituting the circumferential part 1b is folded back at the frame 4 from the inside to the outside and the edge is fixed to the opening 1a of the outer side of the bucket (by sewing, welding, etc). The edge is slightly turned up from the fixed part 1d and protruded outward to form a protrusion 1e. The edge of the opening is bulged at the frame 4 to form a hemmed part 1f protruding outward and inward relative to the thickness of the circumferential part 1b. The bottom part 1c is provided with a brim 1g having circumferential edge protruding outward beyond the circumferential part 1b and formed in a shape engageable with the opening.
Patent KR-20020087036-A (KR)
Inventor: LEE DEOK HEE
IPC: C02F1/78
Filed: 2002-10-14
Abstract: PURPOSE: A manufacturing apparatus is provided which stably manufactures ozone water having dissolved ozone concentration of multi-level by controlling density of electric power impressed to a discharge tube to multi-level and constantly maintaining pressure of ozone gas depending on change of pressure and quantity of water. CONSTITUTION: The apparatus for manufacturing ozone water having dissolved ozone concentration of multi-level comprises an inflow water filter unit(12) that is adhered onto the inflow water metal copper tube(16) for enabling replacement and cleaning of the inflow water metal copper tube as cutting off and filtering metallic impurities and solid impurities of inflow raw water; an inflow water metal copper tube(16) that is installed between the inflow water filter unit(12) and the silent discharge tube(30) to smoothen flow of the inflow raw water; a flow switch(52) that is connected to the inflow water metal copper tube(16) to send a signal to an electric power density controller(60) by sensing the pressure when water of a certain pressure or more is flown; a multi-level electric power converter for stably controlling electric power density of multi-level inside the electric power density controller(60); a pneumatic control air pump(20) that is connected to the silent discharge tube(30) to pressurize air pressure of the discharge tube according to water pressure; a silent discharge tube(30) for generating ozone by electric discharging air in a high voltage using a discharge tube transformer connected to the electric power converter; and an ozone water discharging metal copper tube(50) that is connected to an injector(40) for mixing ozone gas generated from the silent discharge tube(30) with water flown in through the inflow water metal copper tube(16), thereby smoothly flowing ozone water.
Patent KR-20040033739-A (KR)
Title: Magnet frame structure for reciprocating compressor
Inventor: KIM SEONG JONG
IPC: F04B39/00
Filed: 2002-10-15
Abstract: PURPOSE: A structure of a magnet frame of a reciprocating compressor is provided to prevent the distortion of a connection flange part of a magnet frame with a piston flange part by increasing the strength of the connection flange part without increasing the thickness of the magnet frame. CONSTITUTION: A structure of a magnet frame of a reciprocating compressor includes a connection flange part(113) formed at an end of a piston connection part by folding the end radially. The connection flange part is formed with a coupling part(113a) to contact a flange(42B) of a piston to be coupled therewith, and a reinforcing part(113b) curvedly extended from an inner periphery of the coupling part in the radial direction. The coupling part is formed with a coupling hole(111b) to be coupled with the piston by a coupling bolt(B). The reinforcing part is formed with a piston inserting hole(111c) on an inner peripheral surface.
Patent KR-20040035302-A (KR)
Title: Temperature co-phase anaerobic digestion with internal circulation
Inventor: KWON SANG JO
IPC: C02F3/28
Filed: 2002-10-21
Abstract: PURPOSE: Provided is an anaerobic digestion method in which thermophilic anaerobic microorganisms and mesophilic anaerobic microorganisms can share reaction intermediates produced during an anaerobic digestion process by alternatively repeating high temperature digestion and medium temperature digestion, thereby promoting digestion, and increasing stability of digestion by reducing organic material and microorganism extinction rate and increasing productivity of methane gas. CONSTITUTION: The method comprises the steps of (a) introducing organic wastewater or organic waste to a high temperature anaerobic digestion tank for a first digestion reaction, (b) introducing the outflow of the high temperature anaerobic digestion tank to a medium temperature digestion tank for a second digestion reaction, and (c) returning 5 to 300% of the outflow of the medium temperature anaerobic digestion tank to the high temperature anaerobic digestion tank, wherein the steps (b) and (c) are repeated, wherein the high temperature anaerobic digestion tank and the medium temperature digestion tank are connected to each other by a return pipe which is connected to a return pump, wherein waste of the high temperature digestion tank is kept at a temperature of 45 to 75°C and resides for 0.5 to 10 days in the high temperature digestion tank, and wherein waste of the medium temperature digestion tank is kept at a temperature of 20 to 45°C and resides for 2 to 30 days in the medium temperature digestion tank.
Patent KR-20040038068-A (KR)
Title: a method for a reduction of engine noise at engine idle in diesel engine
Inventor: NAM CHUNG GEUN
IPC: F02M45/04
Filed: 2002-10-31
Abstract: PURPOSE: A noise reduction method in engine idle of a diesel vehicle is provided to reduce a difference of a combustion noise between cylinders by compensating for pilot injection time on the basis of the energizing time required for pilot injection of an injector. CONSTITUTION: A noise reduction method in engine idle of a diesel vehicle comprises steps of detecting a crank angle signal, a vehicle room noise, and a vehicle engine room noise varying according to an action state change of the vehicle(S100); calculating engine rpm(revolutions per minute) according to the crank angle signal, calculating an engine rpm average value and then detecting the energizing time corresponding to the engine rpm and calculating an average value of the energizing time(S110,S120); comparing the engine rpm with the average value by the engine rpm and deciding pilot injection amount compensation in engine idle(S130); executing pilot injection by applying the previous pilot decision compensation value(S135); comparing the energizing time corresponding to the engine rpm with an energizing time average value and setting up a pilot injection amount-temporary value(S140); setting up the temporary compensation value as a value greater than a predetermined reference value if the energizing time corresponding to the engine rpm is smaller than the average value of the energizing time(S150); setting up the temporary compensation value as a value smaller than the predetermined reference value if the energizing time corresponding to the engine rpm is greater than the average value of the energizing time(S160); comparing a set value set to a memory with the temporary compensation value and deciding pilot injection amount compensation in engine idle(S170): and deciding pilot injection compensation and outputting a corresponding control signal if the temporary compensation value is greater than the energizing time(S190).
Patent KR-20040038443-A (KR)
Title: Preparation of Nano-sized Crystalline Titanic Acid Strontium Powder from Aqueous Titanium Tetrachloride and Strontium Carbonate Solutions Prepared by Use of Inorganic Acids
Inventor: YANG YEONG SEOK
IPC: C01G23/00
Filed: 2002-11-01
Abstract: PURPOSE: Provided is a synthetic method of high purity SrTiO3 powder with nano size, homogeneous particle distribution and crystallinity by wet process using TiCl4 solution and SrC03 solution prepared by inorganic acid. CONSTITUTION: The nanosize SrCO3 powder(<=0.1micrometer) is synthesized by the following steps of: (i) preparing TiCl4 solution, mixture of TiOCl2 and inorganic acid, obtained by adding 0.01-12.0M of inorganic acid such as HCl, HNO3 or H2SO4 slowly to high purity TiCl4; (ii) preparing SrCO3 solution obtained by adding 0.01-12.0M of inorganic acid such as HCl, HNO3 or H2SO4 slowly to high purity SrCO3; (iii) mixing the TiCl4 solution and SrC03 solution at room temperature to be a molar ratio Ti4+/Sr+2 of 1 to 1.5; (iv) adding an alkaline solution to the mixed solution between 15-200deg.C to adjust pH of the solution of more than 10; (v) washing precipitates(SrTiO3) with water until the pH of the solution is 6-8; (vi) filtering and drying.
Patent KR-20040045547-A (KR)
Title: Circuit and method for extending test data of semiconductor memory device possible high speed operation test
Inventor: HWANG SEOK WON
IPC: G11C29/12
Filed: 2002-11-25
Abstract: PURPOSE: A data extension circuit of a semiconductor memory device capable of high speed test and its method are provided to extend data in order to test the semiconductor memory device operating with a high frequency clock signal. CONSTITUTION: An input buffer(20) buffers a plurality of test pattern data provided from a low frequency tester in a unit of one cycle of a low frequency clock signal(PDSD) provided from the tester, and then outputs them. The first and the second data generation part(22,24) generate virtual data respectively by a control signal by receiving a plurality of data being output from the input buffer. And an output buffer(26) buffers the plurality of test pattern data being output from the input buffer and the virtual data generated from the first and the second data generation part by an internal high frequency clock signal(PCLK) and then outputs them.
Patent KR-20040046390-A (KR)
Title: Method for resolving collision in communication system using media access control based of contention
Inventor: LEE NAM SEOK
IPC: H04L12/413
Filed: 2002-11-27
Abstract: PURPOSE: A method for mitigating collision in a communication system by using contention-based MAC(Media Access Control) is provided to restrict a slot access to terminals colliding with each other if the two terminals collide with each other by simultaneously accessing an optional mini slot, and to permit an access attempt at a new terminal if the terminals succeed in the access, thereby mitigating collision. CONSTITUTION: When a base station starts operating, each CW(Contention Window) size and a previous state value are initialized as '0'(101), and the number of entire mini slots and the CW sizes are broadcasted to each terminal(102). The terminals attempt accessing an optional mini slot, and the base station receives a certain mini slot(103). The base station decides whether collision occurs from information on the received mini slot(104). If so, the base station decides whether the CW sizes are '0'(105). If so, the base station sets the CW sizes to '2' and sets the state value to '0'(106). If the CW sizes are not '0', the base station increases the CW sizes by 1 and sets the state value to '0'(107).
Patent KR-20030044876-A (KR)
Inventor: SUZUKI YASUSHI
IPC: F04C28/08
Filed: 2002-11-29
Abstract: PURPOSE: A hybrid compressor device is provided to reduce the manufacturing cost and the size and to ensure a cooling function even when a vehicle engine is stopped. CONSTITUTION: A hybrid compressor device for a vehicle has an engine to be stopped when the vehicle is temporally stopped. The hybrid compressor device comprises a pulley(110) rotated by the engine; a motor(120) rotated by electric power from a battery of the vehicle; a compressor(130) for compressing refrigerant in a refrigerating cycle system; and a transmission mechanism connected respectively independently to a rotational shaft(111) of the pulley, a rotational shaft(121) of the motor and a rotational shaft(131) of the compressor. The compressor is operated by driving force of the pulley and driving force of the motor. The transmission mechanism is provided to change a rotational speed of the pulley and a rotational speed of the motor, to transmit to the compressor. The pulley, the motor, and the compressor are disposed to be rotatable independently, and the rotational speed of the compressor is changed by adjusting the rotational speed of the motor with respect to the rotational speed of the pulley.
Patent KR-20040047384-A (KR)
Title: The system of parking assistant wheel with parallel motion links type
Inventor: KIM HWAN MYOUNG
IPC: B60B17/00
Filed: 2002-11-29
Abstract: PURPOSE: A parking auxiliary wheel device of a parallel rule link structure is provided to execute practical use of a parking auxiliary device for convenience of parking by improving vehicle-mounting efficiency, operation efficiency, and driving stability. CONSTITUTION: A parking auxiliary wheel device of a parallel rule link structure combines two forward/reverse DC(Direct Current) motors(A,B), belt gears(50,51,52,53,54,55), belts(60,61,62), B-drive first idle gears(70,71), and an auxiliary wheel(80) to the parallel rule link structure comprising links(1¯12), link blocks(13,14), hollow rivets(15¯30), shafts(31¯39), a worm gear(40), a screw gear-type shaft(41), and B-drive second idle gears(72,73), and then connects an operating sound switch(90) for letting a driver know that devices are under operation, a nut(91), a speaker(92), and a switch box(100) manually controlled by the driver.
Patent KR-20040050392-A (KR)
Title: Multilayer combination type water proof sheet and process for preparing the same
Inventor: HWANG MIN JAE
IPC: C08J5/18
Filed: 2002-12-10
Abstract: PURPOSE: A multilayer composite-type waterproofing sheet and its preparation method are provided, to obtain a soft waterproofing sheet having excellent extrusion moldability, waterproofing confidence, mechanical properties, weather resistance, durability and thermal fusing property. CONSTITUTION: The multilayer composite-type waterproofing sheet comprises a thermoplastic elastomeric waterproofing sheet positioned at upper and lower layers; and a central reinforcing material positioned between the upper and lower layers. Preferably the thermoplastic elastomeric waterproofing sheet is made by using a resin comprising 50-90 parts by weight of a polyolefin-based thermoplastic elastomer, 5-30 parts by weight of a linear low density polyethylene and 5-30 parts by weight of a modified polyethylene. Preferably the central reinforcing material is a glass fiber-based or polyester-based reinforcing material.
Patent KR-20040054891-A (KR)
Title: METHOD FOR PREPARING OF 2-NITRO-2'-HYDROXY-3',5'-DI-(α,α-DIMETHYLBENZYL)AZOBENZENE
Inventor: CHOI CHEOL HWAN
IPC: C07C245/08
Filed: 2002-12-18
Abstract: PURPOSE: A method for preparing 2-nitro-2'-hydroxy-3',5'-di(α,α -dimethylbenzyl)azobenzene is provided, to improve reactivity and to allow the product to be obtained without filtration, separation or recovery process. CONSTITUTION: The method comprises the steps of adding HCl, H2SO4 or azo acid to 2-nitroaniline to prepare the diazonium salt represented by the formula 2; and reacting the diazonium salt with the 2,4-di(α,α-dimethylbenzyl)phenol represented by the formula 3 in a solvent comprising a nonpolar solvent and water in the presence of a base, to prepare the 2-nitro-2'-hydroxy-3',5'-di(α,α-dimethylbenzyl)azobenzene represented by the formula 1. Preferably the nonpolar solvent is at least one selected from the group consisting of o-xylene, m-xylene, p-xylene, ethylbenzene, toluene and benzene; and the base is at least one weak base selected from the group consisting of sodium carbonate, sodium bicarbonate and potassium carbonate, or a mixture of the weak base and sodium hydroxide.
Patent KR-20040054413-A (KR)
Title: A device of virtual base transmission station by using ethernet network
Inventor: KIM CHAN HO
IPC: H04B7/155
Filed: 2002-12-18
Abstract: PURPOSE: A virtual base station apparatus using Ethernet network is provided to install and maintain multiple PICO base stations at a low cost by using Ethernet network in a cell region formed by a base station. CONSTITUTION: A BSC(Base Station Controller)(110) monitors and controls multiple base stations and transmits and receives signals. A PICO controller(140) transmits signaling information, a traffic signal and a corresponding control signal applied from the BSC(110). An Ethernet network(180) transmits signals applied from the PICO controller(140). A PICO base station(160) transmits the signaling information and the traffic signal to a UE(User Equipment) in a corresponding PICO cell. A GPS receiver(190) outputs a reference clock signal received from a GPS to the PICO controller(140). A console(200) checks an operation state of the PICO controller(140) and inputs a corresponding control command.
Patent KR-20040059215-A (KR)
Title: Apparatus for alignment of sink roll assembly
Inventor: KANG SEO GU
IPC: C25D17/00
Filed: 2002-12-28
Abstract: PURPOSE: An apparatus for aligning sink roll assembly is provided to improve quality of product and extend life cycle of facility by accurately aligning the sink roll assembly mounted on a plating pot, thereby preventing meandering and hunting of strip and preventing abrasion of roll shaft part. CONSTITUTION: The apparatus comprises a surface table(9) which is positioned on a lower horizontal foundation, to which one end of front and rear and left and right working structures(17) is fixed, and which is a metal table having a flat plane, wherein the sink roll assembly is installed on an upper part of the working structures with the sink roll assembly being positioned at a certain elevation above the upper surface of the working structures; a rectangular stopper(10) having height higher than that of the sink roll assembly installed at one side of long direction of the sink roll assembly on an upper surface of the surface table so that the rectangular stopper becomes a vertical base level; laser distance measuring instruments(11) a plurality of which are installed toward the sink roll assembly on the vertical base level of the stopper correspondingly to height position of shaft parts of sink roll(5) and stabilizing rolls(6) inside the sink roll assembly to measure distance and parallelism of the sink roll and the stabilizing rolls; a height gauge(14) installed in front of the sink roll and the stabilizing rolls on an upper surface of the surface table to measure height of the sink roll and the stabilizing rolls to correct height thereof; and cylinder units(12,13) respectively installed at both end sides of the sink roll and the stabilizing rolls of the other side of long direction of the sink roll assembly on an upper surface of the surface table to correct distance and parallelism from the vertical base level by pushing and pulling both end parts of the sink roll and the stabilizing rolls.
Patent KR-20040060509-A (KR)
Inventor: LIM GEUN HYEOK
IPC: H04N5/374
Filed: 2002-12-30
Abstract: PURPOSE: A CMOS(Complementary Metal Oxide Semiconductor) image sensor is provided to unify photoelectric sensitivity regardless of the position of a photodiode array by increasing the amount of light focused on the photodiode array using more than one material layer having a desired refraction index. CONSTITUTION: A plurality of isolation insulating layers(102) are formed in a semiconductor substrate(100). A photodiode array(104) for transforming light into an electrical signal is formed between the isolation insulating layers. A light transmission layer(106) for transmitting light to the photodiode array is formed on the photodiode array. A planarization layer(108) is formed on the light transmission layer. A color filter part(110) is formed on the planarization layer by coating color photoresist. A microlens array(112) having a predetermined refraction index is formed on the color filter part. One or more material layers(114,116) having relatively high refraction indexes compared to the microlens array are formed on the microlens array.
Patent KR-20040061446-A (KR)
Title: Methods manufacture of ecological block having porous and ecological block use methods and manufacture or methods making
Inventor: JUNG UN IK
IPC: E02B3/14
Filed: 2002-12-31
Abstract: PURPOSE: A manufacturing method for a porous eco-block, an eco-block and a construction method is provided to cut down the construction cost by constructing eco-blocks simply and easily, and to promote water purification by increasing the oxygen content in the water. CONSTITUTION: The manufacturing method for a porous eco-block(100) comprises the steps of: manufacturing a bearing member by shaping using one of a concrete bearing panel which is obtained by injecting mortar in a box or fabrics having an appointed thickness such as hard PE and film; applying adhesive on the upper part of the bearing member(110) with the appointed thickness; and applying and attaching a porous member(120) on the upper part of the bearing member(110) applied with adhesive.