baber/WOPTO huggingface dataset:
Patent KR-20020021760-A (KR)
Title: Continuous system and its operating method for producing polyolefin wax using horizontal thermal-cracking reactor
Inventor: CHO HYUN LAN
IPC: C10G73/40
Filed: 2000-09-16
Abstract: PURPOSE: Provided is an apparatus for continuously producing polyolefine wax by means of a continuous pyrolysis to reduce time taken, save production cost and energy and to ensure working safety by conducting the pyrolysis process at an ordinary pressure. CONSTITUTION: The apparatus comprises an extrusion device(1), a horizontal pyrolysis reactor(2), a tank(4) for recovering low molecular weight wax and a cooler(5). The extrusion device delivers a raw material into the reactor after fusing it. The horizontal reactor is constructed of several chambers by compartments(6) having opened tops and delivers the raw material of one of the chambers during the pyrolysis reaction to a next one. The reactor(2) is attached by another device to introduce nitrogen gas or other solvent at lower end portion of the reactor. The solvent is effective to remove the low molecular weight wax.
Patent KR-20020021898-A (KR)
Title: Projection type display device using liguid crystal device
Inventor: PARK JUN CHAN
IPC: G02F1/1335
Filed: 2000-09-18
Abstract: PURPOSE: A projection-type display device using a liquid crystal display is provided to increase the light efficiency three times with a single liquid crystal display by using all the incident light after separating light into three colors with a color separating optical system. CONSTITUTION: A projection-type display device using a liquid crystal display includes a light source(110) for generating light, an illumination optical system(120) mounted to a light projection side of the light source, a color separating optical system(130) mounted to a light projection side of the illumination optical system for separating projected light into red, green and blue light, a PBS(Polarized Beam Splitter;140) mounted in a reflection direction of the red, green, and blue light for reflecting and transmitting light of a predetermined direction, a liquid crystal display(LCD;160) mounted at a lower part of the PBS for generating a predetermined image signal by controlling incident angles and projection angles of the red, green and blue light, and a transmission lens mounted on the PBS for focusing the image signal of the LCD on a screen(190).
Patent KR-20010030436-A (KR)
Inventor: SAKAMOTO KAZUHISA
IPC: H01L27/04
Filed: 2000-09-19
Abstract: PURPOSE: To provide a semiconductor device having a transistor incorporating a resistor, for improving the breakdown resistance. CONSTITUTION: A surface resistor 23, made of for example, polysilicon is arranged on an insulation film 15. One end of the surface resistor 23 is connected to a base electrode 20 raised on a contact hole 18, and the other end is connected to a base pad 24 formed while being raised on the insulation film 15. The base pad 24 is connected to a collector region 11 via a contact hole 25 formed at the insulation film 15. Then, a P-type impurity region with a high impurity concentration is formed at the junction site of the base pad 24 in the collector region 11, thus forming a P-N junction between the P-type impurity region and the N-type collector region 11 and constituting a parasitic zener diode between the base pad 24 and the collector region 11.
Patent KR-20020024368-A (KR)
Inventor: MURAKAMI YOSHIO
IPC: H01L21/31
Filed: 2000-09-25
Abstract: PURPOSE: A silicon wafer is provided to improve the characteristic uniformity and gettering capability of a semiconductor device by reducing the detect density of an oxide layer. CONSTITUTION: A silicon wafer(10) excludes vacancy agglomerates and interstitial agglomerates. An oxide layer(11) of 5-25nm is deposited on the surface of silicon wafer(10). When a DC(Direct Current) voltage of 10MV/cm is applied through the oxide layer(11) during 100 seconds, the defect density of the oxide layer(11) is below 0.1/cm¬2. A pn-junction is formed on the surface of the silicon wafer(10). In the area of the pn-junction over 1mm¬2, the variation of a leakage current is less 20%. A MOS(Metal Oxide Semiconductor) capacitor is formed on the silicon wafer(10) through the photo conductive decay.
Patent KR-20020024735-A (KR)
Title: Method for forming the storage node contact
Inventor: BAE YEONG HEON
IPC: H01L21/28
Filed: 2000-09-26
Abstract: PURPOSE: A method for fabricating a storage node contact is provided to reduce damage to a hard mask layer and to prevent a short-circuit between a storage node and a bit line, by preventing a hard mask layer attack when even a void is etched in etching a storage node and by etching a small quantity in etching an oxide layer on a plug poly. CONSTITUTION: An interlayer dielectric is deposited on a semiconductor substrate(100), and a masking etch is performed to form the plug poly(120). A gate oxide layer, a conductive layer and a hard mask layer are sequentially stacked, and are patterned by a masking etch process. A nitride layer spacer is stacked at both sides of the patterned structure to form the bit line. A passivation layer(130) having poor step coverage is deposited to form the void among the bit lines. A photoresist layer for protecting a contact formation portion is deposited, and a masking etch process for forming the storage node contact is performed. An oxide layer having an excellent filling property is deposited on a portion of the resultant structure where the storage node contact is not formed, and an insulation process is performed regarding a portion where the storage node contact is formed. A chemical mechanical polishing(CMP) process is performed, and the second nitride layer is deposited. A photoresist layer is deposited, and a masking etch process for forming the storage node contact is performed to form the storage node contact connected to the plug poly.
Patent KR-20010051344-A (KR)
Title: Method and apparatus for blocking fluid and fluid vapors
Inventor: NYE JOHN
IPC: H01R13/533
Filed: 2000-10-31
Abstract: PURPOSE: A method and apparatus for blocking fluid and fluid vapors is provided to block fluid and fluid vapors which consistently eliminates the minute pathways from which fluid leakage and vapor permeation escapes. CONSTITUTION: An apparatus for blocking fluid and fluid vapours in a motor vehicle fuel delivery system including an electric fuel pump mounted in a fuel tank comprises a plug body(34) adapted to be fitted into the fuel tank having at least one bore(38) formed therethrough, a first electrical wire(68) extending into the at least one bore formed in the plug body, a second electrical wire(70) extending into the at least one bore formed in the plug body, and means for connecting the first electrical wire and the second electrical wire together such that fluid leakage and fluid vapour migration is eliminated.
Patent KR-20010105142-A (KR)
Inventor: PARK JEONG HUN
IPC: A61H1/00
Filed: 2000-10-31
Abstract: 본 발명은 월풀을 이용한 발 안마 기능이 구비된 안마 의자에 관한 것으로, 특히 전동방식에 의하여 안마 의자가 젖혀지거나 전후방향으로 이동이 가능하며, 물의 분사로 발등에서부터 발바닥까지 발 전체를 지압하면서 등에 대한 안마도 동시에 수행할 수 있는 월풀을 이용한 발 안마 기능이 구비된 안마 의자에 관한 것이다. 
     본 발명에 따른 월풀을 이용한 발 안마 기능이 구비된 안마 의자는, 받침대; 상기 받침대 위에 전후 방향으로 이동 가능하게 장착되는 안착부; 등받이 및 엉덩이 받이로 구성되어 상기 안착부 위에 장착되며, 상기 등받이가 소정 각도 범위 내에서 전후방으로 젖혀지는 시트부; 그리고 상기 받침대에 일체로 형성되며, 그 내저부(內底部)에 발을 올려놓을 수 있는 디딤대가 형성된 발욕조부를 구비하여 이루어지는 것을 특징으로 한다.
Patent KR-20010060249-A (KR)
Title: Character string comparing method and information retrieving device using character string comparison
Inventor: YOSHIDA MIYOSHI
IPC: G06F17/30
Filed: 2000-11-03
Abstract: PURPOSE: To retrieve desired information with a high probability even when there is a simple input error when retrieving the information by inputting a character string to become a key. CONSTITUTION: Based on an input character string, a character string to become a candidate is extracted out of stored character strings, the lengths of both the input character string and each of candidate character strings are counted and in the case of the same length, the number of times of non-coincidence is detected by successively comparing characters from the end but in the case of the different lengths, when a non-coincident character is detected after successively comparing characters from the end, only concerning a short character string, characters thereof are compared again. At the time point when the comparison is completed concerning one character string, the number of times of non-coincidence, for which the number of times of re-comparison and the number of remaining characters are added, is detected, a character string candidate coincident with the input character string within an allowable range is determined on the basis of the detected number of times of non-coincidence, and information is retrieved with that candidate as a key.
Patent KR-20020035254-A (KR)
Inventor: BYUN JUNG HYEOK
IPC: H01L21/283
Filed: 2000-11-06
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to prevent a leakage current form increasing by using no over-etch process in forming a plug so that an impurity region is not damaged. CONSTITUTION: A filed oxide layer(33) for defining an active region is formed in a predetermined portion of a semiconductor substrate(31) of the first conductivity type. A gate(37) and a cap layer(39) are formed by interposing a gate oxide layer(35) on the semiconductor substrate. A sidewall(43) is formed on the side surface of the gate and the cap layer. Doped polycrystalline silicon is formed by impurities of the first conductivity type confined between sidewalls on the impurity region(41) and the field oxide layer. The doped polycrystalline silicon is patterned to expose the field oxide layer so that a plug is formed on the impurity region, wherein the polycrystalline silicon is so patterned to exist as residue between the sidewall and the field oxide layer because the polycrystalline silicon is not over-etched. The material characteristic of the residue is changed to form modified residue(49).
Patent KR-20020036223-A (KR)
Title: A woven or knitting fabrics with excellent absorption and dry properties
Inventor: KO GYEONG CHAN
IPC: D03D11/00
Filed: 2000-11-09
Abstract: PURPOSE: A textile fabric or a knitting having a double cloth structure containing a surface structure layer and a backing structure layer is provided which has excellent sweat absorbing properties and quick-drying properties, slight wetting feeling in sweating and comfortableness. CONSTITUTION: This textile fabric or knitting has a double cloth structure comprising a surface structure layer(1) and a backing structure layer(2), wherein the surface structure layer is composed of a hydrophilic yarn having a processing moisture rate of 8% or more and the backing structure layer is composed of a hydrophobic yarn having a processing moisture rate of 1% or less. The hydrophilic yarn is cotton, wool or rayon and the hydrophobic yarn is propylene fiber or polyethylene fiber.
Patent KR-20020037822-A (KR)
Title: A method for controlling ignition timing when lean burn mode is canceled
Inventor: LEE SE YONG
IPC: F02D41/06
Filed: 2000-11-15
Abstract: PURPOSE: A control method for lean burn mode cancel of a lean burn engine is provided to delay the ignition time with a prescribed angle during prescribed time on the basis of the engine RPM when canceling the lean burn mode and make the target torque to approach to the normal torque on the basis of the engine RPM. CONSTITUTION: A control method for lean burn mode cancel of a lean burn engine includes the steps of: deciding that the lean burn mode is canceled(S310); delaying the ignition time with a prescribed angle during prescribed time when the lean burn mode is canceled(S320); calculating time constant(T) on the basis of the engine RPM(S330); decreasing the delay angle of the ignition time to make the target torque to approach to the normal torque by the time constant(S340); and finishing the ignition time delay(S360).
Patent KR-20020032268-A (KR)
Title: Plazma treatment apparatus
Inventor: KUBOTA NAOKI
IPC: C23F4/00
Filed: 2000-11-21
Abstract: PURPOSE: To enable stable treatment by preventing the generation of particles. CONSTITUTION: A plasma treatment apparatus, which has an inductively coupled type of plasma generator 30, is equipped with temperature keeping means 21 and 22, which keep the temperature of the section facing a treatment chamber of the inductively coupled type of plasma generator part 30 at a prescribed temperature or higher.
Patent KR-20010062002-A (KR)
Inventor: ABE SHIGERU
IPC: G09F9/33
Filed: 2000-11-30
Abstract: PURPOSE: A radiation sensitive composition for a color LCD(Liquid Crystal Display) is provided to form such a conductive passage, a through hole or a U shaped hollow and to have excellent adhesion property to a driving substrate to a passivation film. CONSTITUTION: A radiation sensitive composition for a color LCD is a radiation sensitive composition containing a coloring agent, an alkali soluble resin, a polyfunctional monomer and a photopolymerization initiator. A conductive passage is formed on the coloring layer. The polyfunctional monomer includes a carboxyl group containing polyfunctional monomer or contains a carboxyl group containing monofunctional monomer in addition to the components.
Patent KR-20020043811-A (KR)
Inventor: ARIMOTO NOJOMU
IPC: H01J29/07
Filed: 2000-12-04
Abstract: PURPOSE: A tension mask for a flat cathode ray tube is provided to eliminate visual line problem and improve resolution of an image by improving structure of a dummy bridge. CONSTITUTION: A tension mask is made of a thin metal sheet. Many strips spaced from each other are formed on the front surface of the tension mask. Many intermittent slots(44) are formed between the strips for passing electron beams emitted from an electron gun. A real bridge is arranged between the slots(44) for supporting the slots(44). A dummy bridge is formed at both side boundaries of the slot(44) and connected to the strip and extended to the center of the slots(44). The dummy bridge includes a left bridge(46a) and a right bridge(46b). The left bridge(46a) has a lower cut side and an upper cut side cut more than the lower cut side. The right bridge(46b) has an upper cut side and a lower cut side cut more than the upper cut side.
Patent KR-20020043975-A (KR)
Title: A current amplification circuit of the electric powered vehicle
Inventor: KIM CHUN TAEK
IPC: H02M1/08
Filed: 2000-12-05
Abstract: PURPOSE: A driving current amplifying circuit and a method for parallel driving FETs of an electric operating vehicle are provided to sufficiently supply a driving current to many FETs, reduce switching on/off time to reduce switching loss, and reduce heat of the FET to stably operate an electric operating vehicle. CONSTITUTION: A driving current amplifying circuit for parallel driving FETs(50,60) of an electric operating vehicle comprises a resistor(48), two FETs(42,43), diodes(44,46,47,49) and a resistor(45). The resistor(48) adjusts an inputted driving current. The two FETs(42,43) are an N channel FET and a P channel FET coupled to each other complementarily for receiving and amplifying the adjusted driving current from the resistor(48) at their gate terminals. The diodes(44,46,47,49) protect the FETs(42,43). The resistor(45) adjusts the amplified current from the FETs(42,43) to the parallel driving FETs(50,60). As the resistor(48) decreases, a charged current between the gate terminal and a source terminal of the parallel driving FET(60) shortens off time.
Patent KR-20020044406-A (KR)
Title: Device For Extracting And Leading
Inventor: KIM JIN GU
IPC: B21B31/08
Filed: 2000-12-06
Abstract: PURPOSE: An apparatus for leading and extracting a middle roll of the lower part of a PLTCM change car is provided to lead or extract the middle roll used in cold rolling process into or from the change car safely, promptly and easily. CONSTITUTION: The apparatus for leading and extracting a middle roll of the lower part of a PLTCM(picking line tandem cold mill) change car comprises a tractor consisted of separate upper and lower tractors; a limit bar which is installed at the lower part of the upper tractor to sense touching when a hook of a middle roll is touched; a hook clamp which is installed at the upper part and coupled to or separated from the hook of the middle roll; rollers(16) which are installed at the middle of the upper part of a change car table so that the upper tractor is freely moved to or from a change car; a sprocket(17) which is installed at the lower part of the upper tractor so that the sprocket(17) is driven on the rollers(16); driving wheels(18) which are installed at the upper tractor so that the driving wheels(18) are driven along a guide line of the change car; and a cable reel(19) and a cable(19-1) which are installed on the side surface of the upper tractor to supply power supply even in a far away distance, wherein the upper tractor is acted according to operation of a driving motor even during moving of the change car, and moved to the left or right side to a desired working position along a drag chain and rails(22).
Patent KR-20020044975-A (KR)
Title: Velocity control system of vehicle
Inventor: KWON SEONG GU
IPC: B60K31/00
Filed: 2000-12-07
Abstract: PURPOSE: A speed limit system of a vehicle is provided to improve steering stability, and to prevent accidents by regulating the maximum speed corresponding to the steering angle with operating the optimal value of centrifugal force and tread friction during traveling on the curve road. CONSTITUTION: A speed limit system for a vehicle is composed of a vehicle speed sensor(2) detecting travel speed of the vehicle; a steering position sensor(4) detecting the rotational angle of a steering wheel, and radius of rotation of the vehicle; a vehicle speed control unit regulating speed of the vehicle during traveling; an electronic control unit(6) controlling speed of the vehicle according to signals from sensors in turning the vehicle; and a warning lamp(8) outputting an alarming message to a driver according to the signal from the electronic control unit. The electronic control unit decides the limit speed within the radius of rotation, and decelerates the vehicle in case of speed to be over the limit speed. Accidents are prevented with improving steering stability in turning the vehicle on the curve road.
Patent KR-20020045251-A (KR)
Title: Mccd moving contactor
Inventor: SONG JUNG CHEON
IPC: H01H31/00
Filed: 2000-12-08
Abstract: PURPOSE: A moving contactor for a molded-case circuit breaker is provided to remove a prior art problem of reducing a capacity of passing current. CONSTITUTION: The moving contactor for a molded-case circuit breaker includes an auxiliary connecting plate(30). The auxiliary connecting plate(30) prevents a both-side connecting contactor and a both-side supporting part from being bent by a force which is generated by an electric current passing through the both-side connecting contactor and a both-side supporting part. The auxiliary connecting plate(30) includes a body having a rectangular shape, a supporting combining part screw-connected with the both-side supporting part, a cut part to cause a moving bar(3) to be not contacted with the supporting combining part, and a bottom combining part formed to cause the cut part to be screw-connected with a bottom part.
Patent KR-20020047765-A (KR)
Title: Device for cleaning the floting matter of coke waste water tank
Inventor: YOON SEOK JU
IPC: C02F1/40
Filed: 2000-12-14
Abstract: PURPOSE: A device for automatically separating floating matters of coke wastewater tank is provided to remove floating matters effectively using filtration plate. Furthermore, the filtration plate can be used with cylinder and adsorption hood and that makes it possible to reduce expenses of wastewater treatment. CONSTITUTION: The device comprises: a pair of supplementary tanks(10) which has an inlet pipe(11) and an opening/shutting valve(12) at the side thereof; a vertical cylinder(22) which operates a solenoid valve(21) in opening and shutting process; a filtration plate which has a wire net and a filter medium layer on the vertical cylinder; a pair of separation tanks(20) which has a water level sensor(26) and a limit switch(27) at the upper part of an inside wall in the housing; a touch bar which delivers reverse rotation signal to a motor when brought into contact with the limit switch and adsorbs the floating matters filtered by the filtration plate; a bearing which is installed on the vertical cylinder and fixes the touch bar; an adsorption hood(30) which has a touch bar; a controller which delivers rotation signal to motor and operation signal to valves by receiving electric signal from the water level sensor.
Patent KR-20020046608-A (KR)
Title: Control box for air conditioner and manufactureing method thereof
Inventor: CHOI EUN CHANG
IPC: F24F1/00
Filed: 2000-12-15
Abstract: PURPOSE: A control box for air conditioner and manufacturing method of the same are provided to reduce manufacturing cost and to improve assemblability by commonizing some of parts constituting a main body of the control box. CONSTITUTION: An upper plate(32) is placed detachably from a side plate(34) to replace the upper plate according to installation structure of electric parts such as a condenser(36) and a printed circuit board(37) joined on the upper plate. A lower plate(33) is integrated with the side plate. The lower plate and the side plate, or only the lower plate, where many of the electric part are installed, are commonized to reduce manufacturing cost and to improve assemblability.
Patent KR-20020049796-A (KR)
Title: A Mounting Structure of Door Trim in Vehicle
Inventor: EUM GYEONG HUN
IPC: B60J5/04
Filed: 2000-12-20
Abstract: PURPOSE: A combination structure of door trim of a vehicle is provided to make the assembling simple and to make the assembled state firm by combining a main panel and sub panel of door trim of a vehicle with a disk-shaped clip. CONSTITUTION: In a combination structure of door trim combining a main panel(3) and sub panel(4), a through hole(3a) is formed at the main panel and slide grooves(4b) bent up to both sides of the periphery are formed at an end of a coupling boss(4a) protruded on the sub panel. The slide grooves are inserted in the through hole. A disk-shaped clip(10) is coupled around the slide grooves of the coupling boss. A handle(12) is installed to make the disk-shaped clip easily coupled along the slide groove of the coupling boss. Therefore, the combination structure of door trim has the excellent combining power.
Patent KR-20020050559-A (KR)
Title: Method for generating monitoring signal of optical recording/reproducing system and apparatus thereof
Inventor: CHOI BYEONG HO
IPC: G11B7/13
Filed: 2000-12-21
Abstract: PURPOSE: A device of generating monitoring signals of an optical recording/reproducing system is provided to add phase difference detection signals detected for a high density optical disk, and to detect monitoring signals of the optical recording/reproducing system, thereby optimally controlling an initial state of the system. CONSTITUTION: An optical detector(10) receives and detects a light beam coming from a light source and reflected on a recording surface of a recording medium via an objective lens. The optical detector receives the first to the fourth light areas of the light beam to output the first to the fourth detection signals(a, b, c, d), and has the first to the fourth areas(A, B, C, D) divided in R' and T' directions. A phase difference detector(20) compares phase differences between the first sum signal(s1:a+c) and the second sum signal(s2:b+d), and outputs the first and the second phase difference signals(p1, p2). The first sum signal sums the first and the third detection signals from the first and the third receiving areas(A, C). The second sum signal sums the second and the fourth detection signals from the second and the fourth receiving areas(B, D). An adder(30) adds the first and the second phase difference signals to output a monitoring signal(Mo) for an optical recording/reproducing system. Low pass filters pass low frequency components only from the first and the second phase difference signals.