baber/WOPTO huggingface dataset:
Patent KR-20040089176-A (KR)
Inventor: HWANG SUN UK
IPC: C07C215/44
Filed: 2003-04-11
Abstract: PURPOSE: A method for obtaining optically active cis-(1S,2R)-1-R-amino-2-indanol and its ester from a racemic mixture by enzymatic method is provided, to simplify the process and to improve yield for industrial production. CONSTITUTION: The method comprises the steps of dissolving a racemic mixture of cis-1-R-amino-2-indanol in an acyl donator or in an organic solvent; and esterifying the hydroxyl group stereochemically by using lipase or fixed lipase to obtain cis-(1S,2R)-1-R-amino-2-indanol, wherein R is COOEt, COOPh, COOBu, COAc or COPh. The racemic mixture of cis-1-R-amino-2-indanol is prepared by adding sodium carbonate to a solution containing racemic mixture of cis-1-amino-2-indanol, and adding ethyl chloroformate, phenyl chloroformate, acetic anhydride or benzoyl chloride.
Patent KR-20030082398-A (KR)
Title: 유체 역학적 베어링 장치의 제조 방법
IPC: B24B5/04
Filed: 2003-04-12
Abstract: 유체 역학적 베어링 장치의 제조 방법이 제공된다. 이러한 방법은 유체 역학적 베어링 장치의 구성 요소인 축방향 부재의 그라인딩시에 원주 속도를 충분하게 증가시킬 수 있으며, 원심성의 소용돌이의 발생을 방지할 수 있어서 제품의 품질을 향상시키면서 그라인딩 효율과 작업 효율을 향상시킨다. 유체 역학적 베어링 장치의 구성 요소들중 하나로서의 축방향 부재는, 그것의 축방향 중심의 둘레에서 회전되는 동안에 그것의 양 단부에서 한쌍의 플레이트 부재로써 면 접촉 방식에 의해 지지된다. 축방향 부재의 축방향 부분의 외측 주면은 축방향 부분의 외측 주면을 지지 부재로써 지지하는 동안에 연마석 위에서 그라인딩된다. 또한, 축방향 부재의 플랜지 부분과 면 접촉 방식으로 접촉하는 플레이트 부재는 그것의 접촉 표면의 회전 중심의 소정 부위에 형성된 적어도 롤-오프(roll-off) 부분을 가진다. 더욱이, 플레이트 부재의 플랜지 부분에 대한 접촉 부분은 탄성 부재에 의해서 탄성적으로 지지된다.
Patent KR-20040090883-A (KR)
Inventor: HAN SEUNG PYO
IPC: H04L12/66
Filed: 2003-04-18
Abstract: PURPOSE: An analog call connection interworking device between a PSTN and the Internet, and a control procedure thereof are provided to be connected between a local line and an analog VoIP gateway, and to interwork a call connection between the local line and the Internet based on a remote control signal, then to connect a call with a subscriber. CONSTITUTION: A line switch(102) connects and disconnects a general phone(120) with a local line(14) or an analog VoIP gateway(110). A local switch(105) switches a connection of the local line(14). A local line sensing and hook switch unit(106) senses the frequency of ring generation of the local line(14). A line sensing and hook switch unit(101) senses the frequency of ring generation of an analog VoIP gateway line(24). A signal generator(103) cuts off a feeder current between the local line(14) and the analog line(24), and transmits a voice and a signal. A signal detector(104) cuts off a feeder current between the local line(14) and the line(24). A controller(107) consists of a memory and a CPU.
Patent KR-20040095947-A (KR)
Inventor: BOK SEONG HAE
IPC: A23L1/30
Filed: 2003-04-29
Abstract: PURPOSE: A composition for reducing the body weight comprising powder of Lycium chinense MILL.'s leaves and Panax ginseng C.A. Meyer's leaves is provided. The Lycium chinense MILL and Panax ginseng C.A. Meyer inhibit synthesis of lipid in the animal liver, and absorption of lipid into the human body, so that body weight can be easily reduced without side-effects. CONSTITUTION: The composition for reducing the body weight comprises 0.01 to 30 wt.% at least one powder selected from powder of Lycium chinense MILL.'s leaves and Panax ginseng C.A. Meyer's leaves. The method for producing the composition for reducing the body weight comprising powder of Lycium chinense MILL.'s leaves comprises the steps of: adding 2000 parts by weight of water into 300 parts by weight of dried Lycium chinense MILL. and heating the mixture at 100 deg. C for 2 to 5 hours to separate a first extract of Lycium chinense MILL. and first solid residue; heating the first solid residue in water at 100 deg. C for 2 to 5 hours to obtain a second extract of Lycium chinense MILL.; and mixing the first and second extracts of Lycium chinense MILL., and concentrating the extract mixture at reduced pressure.
Patent KR-20040093334-A (KR)
Inventor: CHO JUN HOAN
IPC: A21D8/04
Filed: 2003-04-29
Abstract: PURPOSE: Frozen dough for bakery products prepared by producing a wheat brew using L. plantarum and L. brevis as lactic acid bacterial strains and then fermenting with regular wheat flour, sugars, NaHCO3, κ-carrageenan, emulsifier, vital wheat gluten or the like is provided. The frozen dough is used for the production of bread, minimizes the quality deterioration of bread and saves manpower and labor cost. CONSTITUTION: The baking frozen dough is prepared by the steps of: making a wheat brew to have a moisture content of 50% and a pH of 3.5 to 3.8 by mixing the same amount of hard wheat flour and water, adding 3% by weight of glucose to dough, inoculating with 0.05% by weight of each of L. plantarum and L. brevis, based on the total weight of the dough and fermenting at 27 to 30deg.C for 18 to 20hr in an incubator; and forming dough by mixing 30% by weight of wheat brew, 50 to 55% by weight of regular wheat flour, 3% by weight of black sugar, 3% by weight of white sugar, 1% by weight of salt, 4% by weight of butter, 4% by weight of yeast, 0.08% by weight of α-amylase, 0.1% by weight of glucose oxidase, 0.5% by weight of NaHCO3, 0.5% by weight of κ-carrageenan, 0.5% by weight of emulsifiers and 1.5% by weight of vital wheat gluten for 5 to 10min in a dough mixer.
Patent KR-20040093938-A (KR)
Inventor: LEE WON HO
IPC: H01L27/146
Filed: 2003-04-30
Abstract: PURPOSE: A method for manufacturing a CMOS image sensor is provided to restrain dark effect of a native transistor caused by dangling bond and defects. CONSTITUTION: A channel field stop doping layer(46) is formed in a substrate(41). Gate electrodes(49,50) of a transfer transistor and a reset transistor are formed on a desired region of the substrate. A deep n- region(52) of a photodiode is formed in the substrate to align the gate electrode of the transfer transistor. A spacer is formed at both sidewalls of the gate electrodes. A shallow p0 region(54) of the photodiode is formed in the deep n- region by implanting dopants, wherein the p0 region is deeper than the channel field stop doping layer and shallower than the deep n- region.
Patent KR-20040096241-A (KR)
Inventor: KIM HYEON CHEOL
IPC: H01L21/027
Filed: 2003-05-07
Abstract: PURPOSE: An alignment key search apparatus and a searching method using the same are provided to search easily an alignment key by using a position value of a center point. CONSTITUTION: A work stage(WS) includes a chuck on which a substrate is loaded. A position detection optic system(100) detects a position of an alignment key formed on the substrate. A stage driver(WF) is used for driving a work stage. A plurality of light emitting units(200) irradiates detecting beams to four places of the edge part of the substrate. A plurality of light receiving units(300) are installed to the substrate corresponding to the light emitting units. A control unit(400) calculates a position value of a center point of the substrate and outputs a position correction signal by using an offset value between the calculated position value and a position value of a center point of the chuck.
Patent KR-20040096340-A (KR)
Inventor: PARK SEONG EON
IPC: H01L21/28
Filed: 2003-05-09
Abstract: PURPOSE: A method for forming a contact plug of a semiconductor device is provided to reduce contact resistance and thermal budget by growing a silicon epi-layer between an amorphous silicon layer and a substrate. CONSTITUTION: An interlayer dielectric(5) is formed on a silicon substrate(1) with a desired lower structure. A contact hole is formed by selectively etching the interlayer dielectric. The exposed substrate is cleaned and baked. An amorphous silicon layer is deposited on the contact hole. A polysilicon layer(8) is then entirely filled in the contact hole. At this time, a silicon epi-layer(9) is grown at the interface between the substrate and the amorphous silicon layer. The remaining amorphous silicon layer is crystallized.
Patent KR-20040097535-A (KR)
Inventor: CHEONG HAE KYUN
IPC: E02F9/20
Filed: 2003-05-12
Abstract: PURPOSE: A hydraulic circuit of a wheel type excavator is provided to relieve the fatigue of an operator without placing the boom in the boom rest by stopping the equipment in moving up the boom while traveling, and to improve the safety by finely controlling the boom down. CONSTITUTION: A hydraulic circuit of a wheel type excavator comprises hydraulic pumps(1,1a) connected to an engine, a pilot pump(16), actuators driven and connected to the hydraulic pumps, switching valves installed between the hydraulic pumps and the actuators and switched to control operation, stop and direction change of the actuator according to the pilot signal pressure from the pilot pump, a holding valve(9) mounted between the boom switching valve and the boom cylinder to prevent leak of the spool, a shuttle valve(10) installed in the confluence of the pilot signal line of the boom switching valve and the holding valve to select high pressure among boom down pilot pressure and pilot pressure for opening the holding valve, and a pressure unit pressurizing the pilot signal pressure to the holding valve via the shuttle valve to release boom holding function in selecting the travel mode.
Patent KR-20040097770-A (KR)
Title: Pressure testing apparatus for fuel tank
Inventor: CHO HYEONG RAE
IPC: G01M99/00
Filed: 2003-05-13
Abstract: PURPOSE: A pressure testing apparatus for a fuel tank is provided to manufacture the optimal fuel tank by using the volume of pressure identical to the volume of pressure generated from a fuel tank of a real vehicle. CONSTITUTION: A pressure testing apparatus for a fuel tank includes the fuel tank(10), a vacuum valve(20), a solenoid valve(30), a first timer(40), a second timer(50), and a negative pressure gauge(60). The vacuum valve(20) exhausts the air of the fuel tank(10) when connecting to the fuel tank(10). The solenoid valve(30) is installed between the vacuum valve(20) and the fuel tank(10) and selectively turns on/off the vacuum valve(20). The first timer(40) controls the volume of pressure of the fuel tank(10) by adjusting a time required for maintaining an on-state of the solenoid valve(30). The second timer(50) adjusts a time required for maintaining an off-state of the solenoid valve(30).
Patent KR-20040099745-A (KR)
Inventor: KIM SU SEOK
IPC: H04Q9/00
Filed: 2003-05-20
Abstract: PURPOSE: A method for controlling street lamps using mobile communication is provided to allow a central control center to monitor a current state of street lamps in real time and turn on or off the street lamps. CONSTITUTION: A street lamp control command server performs an initialization operation(200) and determines whether a control command for turning on or off a street lamp or a control command for requesting monitoring is inputted from a manager command input unit(202). If a control command is inputted, the street lamp control command server determines a street lamp distribution box corresponding to the control command(204), reads a phone number of the street lamp distribution box(206), and transfers the phone number to a mobile terminal(208) so that the street lamp distribution box can be called through dialing(210). When the street lamp distribution box receives the call(212), the street lamp control command server transmits the control command to the street lamp distribution box via the mobile terminal(216) so as for the street lamp distribution box to perform an operation according to the control command. The street lamp control command server receives operation result data via the mobile terminal and processes it(218).
Patent KR-20040034351-A (KR)
Inventor: OKUNUKI YUICHIRO
IPC: H01S5/227
Filed: 2003-05-26
Abstract: PURPOSE: A semiconductor laser having a window structure and an optical communication device are provided to prevent the degradation and enhance the combination efficiency between an optical fiber and an light of the laser by emitting the light without deviating an outgoing angle. CONSTITUTION: A semiconductor laser(10) includes an active layer(2) and a window part. The window part is formed on a substrate and includes a first semiconductor layer, a second semiconductor layer, and a third semiconductor layer. The first semiconductor layer has the first carrier concentration. The second semiconductor layer is formed on the first semiconductor layer including an extended side of the active layer and has the second carrier concentration lower than the first carrier concentration. The third semiconductor layer having the third carrier concentration is formed on the second semiconductor layer. The distribution of reflective index of the light beam at the window part is symmetrical in the laminating direction on the basis of the extended side of the active layer.
Patent KR-20040102519-A (KR)
Inventor: KIM JANG SU
IPC: G02F1/136
Filed: 2003-05-28
Abstract: PURPOSE: An LCD(Liquid Crystal Display) is provided to prevent a light-leakage phenomenon from generating, thereby increasing a view angle contrast ratio. CONSTITUTION: A substrate interval member(320) supports a liquid crystal layer and upper and lower display plates with a constant distance. Plural gate lines(121) are formed longitudinally on an insulation substrate. A sustain electrode line(131) electrically separated from the gate line is formed on the insulation substrate. A gate insulation film is formed on the gate line and sustain electrode line. A linear semiconductor(154) made of hydrogenated amorphous silicon is formed on the upper portion of the gate insulation film. A linear resistant contact assistant and an island resistant contact assistant are formed on the upper portion of the linear semiconductor. Plural data lines(171) and plural drain electrodes of a TFT(Thin Film Transistor) are formed on the linear resistant contact assistant, an island resistant contact assistant and the gate insulation film. Color filters(R.G.B.) having red, green and blue colors are formed on the upper portion of the linear semiconductor and the gate insulation film, not covered by the data line, the drain electrode and the sustain electrode. A protective film is formed on the color filters and has a contact hole(185) for exposing the drain electrode. A pixel electrode(190) is formed on the protective film and physically and electrically connected to the drain electrode through the contact hole. Plural contact assistants(81,82) are formed on the protective film. A light shielding film(220) is formed on the surface of an upper insulation substrate facing to the lower insulation substrate. The substrate interval material is positioned at a common electrode of the upper portion of the light shielding film.
Patent KR-20040107135-A (KR)
Inventor: CHO IL HYEON
IPC: H01L21/28
Filed: 2003-06-12
Abstract: PURPOSE: A method of forming a copper line of a semiconductor device is provided to remove reliably residues of copper from an upper portion of an insulating layer by dipping a corresponding substrate into a diluted HF solution after a CMP(Chemical Mechanical Polishing) process of a copper film. CONSTITUTION: A first insulating layer(22), an etch stop layer(23) and a second insulating layer(24) are sequentially formed on a semiconductor substrate(21) with predetermined conductive patterns. A trench(25) with a contact hole is formed in the resultant structure by using etching, wherein the contact hole is under the trench. A copper film(26) for filling the contact hole and trench is deposited thereon. A CMP process is performed on the copper film until the second insulating layer is exposed to the outside. The resultant structure is dipped into a diluted HF solution to remove copper residues(27) from the second insulating layer.
Patent KR-20030097681-A (KR)
Title: 다층 셀, 특히 액정 표시장치 셀 또는 전기화학 광기전성 셀
IPC: H01L31/04
Filed: 2003-06-19
Abstract: 본 발명은 다층 셀, 특히 액정표시 셀(1), 또는 전기화학 광기전성 셀, 또는 액정표시 셀과 전기화학 광기전성 셀의 결합에 관계되는데, 이러한 다층 셀은 n개의 중첩기판들(2,4,6,8)로 이루어지는데, n은 3보다 크거나 같은 정수이고, 이러한 기판들(2,4,6,8)은 광학적 또는 전자 광학적 활성 매질을 담기 위해 (n-1)개의 봉공(20,22,24)의 범위를 정하는 씰링 프레임(14,16,18)으로 결합되며, 제 1 기판(2)의 상면(10)과 마지막 기판(8)의 저면(12)은 셀(1)의 외면들을 형성하는데, 상기 다층 셀(1)은 셀(1)의 한쪽 측면 또는 다른 쪽 측면에 적어도 부분적으로 배열된 (n-1)개의 충진공들(26,28,30)을 포함하는데, 상기 (n-1)개의 충진공들(26,28,30)은 각각 상이한 공동과 이어져 그것들이 연결되는 공동에 이르도록 적어도 하나의 공동을 통과하며, 상기 (n-1)개의 충진공들(26,28,30)은 그것들이 통과하는 공동 또는 공동들과 분리되는 것을 특징으로 한다.
Patent KR-20040110666-A (KR)
Inventor: HAN JEONG UK
IPC: H01L21/8247
Filed: 2003-06-20
Abstract: PURPOSE: A single chip data processor having an embedded non-volatile memory is provided to increase a scale of integrity of a semiconductor device while maintaining a characteristic of the non-volatile memory by using various optimized transistors. CONSTITUTION: A single chip data processor includes a substrate(100), a first well(131), a second well(141), and a non-volatile memory cell. The substrate has a first doping concentration and a first conductive type. The first well is formed on the substrate. The second well has a depth greater than that of the first well and has a doping concentration higher than the first doping concentration and the first conductive type. The non-volatile memory cell is formed on the second well. The non-volatile memory cell is an EEPROM(Electrically Erasable Programmable Read Only Memory).
Patent KR-20050001558-A (KR)
Inventor: HER CHA SOON
IPC: B29D7/00
Filed: 2003-06-25
Abstract: PURPOSE: A plywood forming device using plastic, wheat bran and wood powder as main material components is provided to enable a plywood to be formed in an optimal state and to enable molten raw materials to be rapidly supplied using an automatic line, thereby minimizing defects and increasing the productivity. CONSTITUTION: The plywood forming device comprises: a melt extruder(10); upper and lower molds(20,30); a panel forming dice(100) connected to an exit of the melt extruder(10) and forming a raw material mixture into a flat panel; first and second conveyors(200,300) installed between the panel forming dice(100) and the lower mold(30) and transferring the raw material mixture toward the lower mold(30); heating tunnels(400,400a) provided at the first and second conveyors(200,300), respectively, and each having a heater(410); a guide roller and a guide sliding plate for transferring the raw material mixture fed from the panel forming dice(100) to the first conveyor(200); a cutter(700) for cutting the raw material mixture; and a hydraulic cylinder(900) having one end fixed to an upper portion of a rail support(800) and making the second conveyor(300) advance toward the second mold(30).
Patent KR-20050001569-A (KR)
Inventor: LEE CHAN HEON
IPC: G02F1/13
Filed: 2003-06-26
Abstract: PURPOSE: A connector housing for a liquid crystal module is provided to prevent an interconnection line of a lamp housing from being damaged due to its exposure to the outside of the liquid crystal module by placing the interconnection line in a separate connector housing. CONSTITUTION: A connector housing(200) is installed at one side of a liquid crystal module placed in a lamp housing. The connector housing has a polyhedron shape in which a cavity(210) is formed. An interconnection line(220) extended from the lamp housing is led into the cavity through an interconnection line lead-in hole formed at the surface of the connector housing. A screw insertion hole formed at the surface thereof is coupled to a screw(250) for guiding the interconnection line led into the cavity toward the side of the connector housing. A connector(240) is formed at the side of the connector housing and connected to the interconnection line.
Patent KR-20050003913-A (KR)
Inventor: HAN JOON HO
IPC: H02M7/04
Filed: 2003-07-04
Abstract: PURPOSE: A computer system with an adapter functioning as a hub is provided to offer the hub performing data communication to supply power to an external device without discharging a battery and using no power supply cable. CONSTITUTION: An input power connector(20) receives input power. A power transformer(30) transforms the input power into a specified output power. An output power connector(40) outputs the output power to a computer main body(60). Multiple ports(51) connect to the connector of the external device. A controller(52) receives the output power from the power transformer and controls a signal inputted/output from the ports. A power line supplies the power to the computer main body from the output power connector. A data line communicates data between the controller and the computer main body.
Patent KR-20050009006-A (KR)
Inventor: HWANG GAB JIN
IPC: B82B3/00
Filed: 2003-07-15
Abstract: PURPOSE: Provided is a method for preparing a carbon nanofiber for hydrogen storage which has an excellent hydrogen storage, is stable, easily absorbs and desorbs hydrogen and is lightweight. CONSTITUTION: The method comprises the steps of uniformly mixing a solution containing one selected from the group consisting of Fe(NO3)3·9H2O, Fe(Cl2)3·9H2O, FeCl2, Ni(NO3) 3·6H2O, Ni(Cl2)3·6H2O and FeCl2, and/or a solution Ni and Fe; stirring the solution mixture with coprecipitating it with any one solution selected from (NH4)2CO3 and NaOH with maintaining a pH to be 5-11; stabilizing the solution for 1-60 hours after co-precipitation, and washing and filtering it to prepare a sample; drying the obtained sample at a temperature from a room temperature to 300 deg.C in air; preheating the dried one at a temperature from a room temperature to 600 deg.C for 3-120 hours; furnace cooling the preheated one; putting 0.1-100 g of the cooled sample in a quartz pipe and heating it at 100-1,100 deg.C for 1-70 hours with blowing atmosphere gas in; and cleaning sufficiently it with an inert gas, and reacting it for 1-120 hours with blowing at least one gas selected from H2, C2H4, C2H2, benzene, CH4, CO and CO2 with a velocity of 10-1,000 ml/min with maintaining the temperature of an electrical furnace of CVD to be 200-1.200 deg.C.
Patent KR-20050009907-A (KR)
Inventor: PARK KUN JOO
IPC: H01L21/76
Filed: 2003-07-18
Abstract: PURPOSE: A method for forming an isolation layer of a semiconductor device is provided to improve an electrical characteristic of a semiconductor device by preventing a leakage current from being generated at the lower corner of an isolation layer. CONSTITUTION: A pad oxide layer(12) and a pad nitride layer(14) are deposited on a semiconductor substrate(10). The pad nitride layer and the pad oxide layer are sequentially patterned to form an isolation layer. The sidewall of the pad oxide layer is recessed by a cleaning process to round the lower corner of the isolation layer. A growth layer functioning as an active region is formed on the semiconductor substrate exposed to both sides of the isolation layer patterned by a deposition process.
Patent KR-20050010342-A (KR)
Inventor: HYUN KEUN SUB
IPC: H01J61/35
Filed: 2003-07-19
Abstract: PURPOSE: A flat lamp is provided to reduce interference by isolating an electrode unit from a channel unit. CONSTITUTION: A flat lamp(1) includes an electrode unit(2), a channel unit(3), and a separation wall(4). The channel unit is filled with a discharge gas. An air inlet unit is provided on the separation wall. The air inlet unit enables the outside air to flow in between the electrode unit and the channel unit. The electrode unit and the channel unit are configured on a flat unit and the separation wall comprising the air inlet unit is connected between the electrode unit and the channel unit. When a voltage is applied to the electrode unit, a plasma discharge is generated in the discharge gas of the channel unit.
Patent KR-20050011124-A (KR)
Inventor: KIM BO SUNG
IPC: H01L29/786
Filed: 2003-07-22
Abstract: PURPOSE: A method of forming a semiconductor pattern and a method of manufacturing a TFT(Thin Film Transistor) using the same are provided to simplify manufacturing processes and to form easily a flexible display device by using an organic semiconductor material for the semiconductor pattern instead of conventional amorphous silicon. CONSTITUTION: A negative pattern is formed on a first substrate(S10). An adhesive is attached on the negative pattern(S20). An organic semiconductor material layer is formed on a second substrate(S30). A positive organic semiconductor material pattern is formed on the second substrate by removing selectively the organic semiconductor material layer using the adhesive on the negative pattern(S40,S50).