baber/WOPTO huggingface dataset:
Patent KR-20020020692-A (KR)
Title: 웨이퍼 연마 패드의 조절 방법
IPC: B24B53/017
Filed: 2000-03-17
Abstract: 연마 장치에서 사용하기 위한 연마 패드를 조절하는 방법.     본 방법은 연마 장치의 플래튼 상에 조절될 연마 패드를 장착하는 단계 (12) 및 패드에 조절 하중을 인가하는 단계를 포함한다.     또한, 본 방법은 패드에 조절 유량 (22) 으로 슬러리를 공급하는 단계를 포함한다.     조절 하중은 패드를 압착하는 종래의 웨이퍼 연마 사이클 동안 인가되는 연마 하중보다 더 크고, 조절 유량은 연마 재료로 패드의 기공들을 채우기 위해 웨이퍼 연마 사이클 동안 슬러리를 공급하는 유량보다 더 크다.     또한, 본 방법은 조절 하중을 인가하고 (20) 조절 유량으로 슬러리를 공급하는 (22) 동안의 조절 사이클을 위해 연마 장치를 동작시키는 단계를 포함한다.    이러한 방식으로, 후속 공정에서 조절된 연마 패드로 반도체 웨이퍼들을 연마하기 위해, 장치에서 사용하기 위한 연마 패드가 조절된다.
Patent KR-20020026437-A (KR)
Title: Radio communication system
IPC: H04B7/005
Filed: 2001-03-15
Abstract: A radio communication system has a random access channel for the transmission of data ( 214 ) from a secondary station to a primary station. Such a channel is intended for use by secondary stations having data ( 214 ) to transmit to a primary station while not actually engaged in a call. By enabling access requests ( 202 ) to be transmitted with a greater range of possible signatures, a much greater number of degrees of freedom is available to a secondary station requesting access to a random access channel. This enables significantly improved efficiency of resource allocation by increasing the amount of information transmitted to the primary station by the access request ( 202 ).
Patent KR-20020019486-A (KR)
IPC: B05C11/10
Filed: 2000-06-28
Abstract: 본 발명은 웨이퍼세척시스템에서 선처리조절을 검증하는 방법을 제공하는 것으로, 이 방법은 (a)웨이퍼세척시스템에 선처리조절을 조작하는 단계와, (b)웨이퍼세척시스템내에 실질적으로 투명한 웨이퍼를 적재하는 단계 및, (c)실질적으로 투명한 웨이퍼가 웨이퍼세척시스템에 웨이퍼이송경로를 따라 이동하는 실질적으로 투명한 웨이퍼를 관찰하는 단계의 작업들을 포함하며, 실질적으로 투명한 웨이퍼와 웨이퍼세척시스템의 부재 사이에 불필요한 접촉이 관찰되므로, 추가로 본 발명은 (d)처리될 반도체 웨이퍼와 웨이퍼세척시스템의 부재 사이에 불필요한 접촉을 제거하도록 된 웨이퍼세척시스템을 조절하는 단계와 (e)실질적으로 투명한 웨이퍼가 웨이퍼세척시스템의 부재와 불필요한 접촉없이 웨이퍼이송경로를 따라 이동할 때까지 (b)단계 내지 (d)단계의 작업을 반복하는 단계를 포함하고, 또한 이 방법은 린스작업중에 웨이퍼의 아래로 분무된 액체가 웨이퍼의 하부면에 적절하게 접촉하는지 확인하기 위해 실질적으로 투명한 웨이퍼를 관찰하는 단계를 포함한다.
Patent KR-20030059979-A (KR)
Inventor: MUN GYE TAE
IPC: G02B6/38
Filed: 2002-01-05
Abstract: PURPOSE: A method for processing a zirconia ceramic sleeve for an optical communication connector is provided to form a concentricity while grinding an inner diameter of a zirconia ceramic sleeve material based on an outer diameter of the zirconia ceramic sleeve material using a precision fixture. CONSTITUTION: At least one material(3) having a zirconia ceramic sleeve in which an outer diameter is formed is put on a lower plate having a V-groove shape. The at least one material(3) is fixed by a rubber O-Ring(2) and a precision jig upper plate(1). A tool is mounted in a nitrogen barrel. An etched tool rises through a tool support by a motor to etch the tool. An etching Tool is fixed to an etching tool fixing member. A diamond powder is coated on an etched part of an etching tool by an automatic feeder. An inner diameter is processed by passing the etching Tool on which the diamond powder is coated through a precision fixing jig high speed rotating device. An automatic washer washes a cutting material of a zirconia ceramic sleeve material on covered the etching tool.
Patent KR-20030061886-A (KR)
Title: Image transfer belt cleaning apparatus for liquid electrophotographic printer
Inventor: PARK U YONG
IPC: G03G21/00
Filed: 2002-01-12
Abstract: PURPOSE: A device for cleaning a transfer belt of a wet electrophotographic printer is provided to easily collect a remaining toner so as to reduce unnecessary consumption of a developer. CONSTITUTION: A device for cleaning a transfer belt(110) of a wet electrophotographic printer includes a cleaning blade(130). The cleaning blade is located between a position where the transfer belt transfers an image to a recording medium and a position where the transfer belt receives images from photosensitive rollers(Dy,Dm,Dc,Dk) and comes into contact with the transfer belt among a plurality of rollers that support running of the transfer belt. The cleaning blade comes into contact with the transfer between a steering roller(126) for controlling steering of the transfer belt and a tension roller(127) for maintaining a predetermined tension of the transfer belt.
Patent KR-20030061888-A (KR)
Title: A display device equipped with 3d image generator
Inventor: YOO CHEOL
IPC: H04N13/00
Filed: 2002-01-12
Abstract: PURPOSE: A display system including a stereo image producing device is provided to allow a user to view a stereo image conveniently by setting a device for producing the stereo image inside a display of a monitor or TV. CONSTITUTION: A display system includes an input unit(11), a switch(12), a frequency divider(13), a micro control unit(14), a liquid crystal shutter driver(15), and an interface port. The input unit receives a composite video signal composed of RGB video signals and horizontal and vertical synchronous signals. The switch switches the RGB video signals according to a mode select signal of the micro control unit. The frequency divider receives the horizontal and vertical synchronous signals and divides the frequency of the signals by half. The micro control unit provides the mode select signal to the frequency divider and controls the switch. The liquid crystal shutter driver accepts a shuttering signal that is obtained by dividing the frequency of the vertical synchronous signal by half by the frequency divider to shut a liquid crystal shutter. The interface port connects the liquid crystal shutter driver to liquid crystal shutter glasses(17).
Patent KR-20030065718-A (KR)
Title: A preparation method of alkyldichlorosilanes
Inventor: HAN JUN SU
IPC: C07F7/16
Filed: 2002-01-30
Abstract: PURPOSE: A method for preparing alkyldichlorosilanes is provided, thereby preparing alkyldichlorosilanes in higher yield without by-products. CONSTITUTION: A method for preparing alkyldichlorosilanes of the formula 3:RSiHCl2 comprises reacting alkyl chloride of the formula 1:RCl and hydrogen chloride of the formula 2:R¬1Cl or alkylchloride mixed gas with metal silicon in a reactor in the presence of catalyst, wherein R is C3-10 straight, branched chain or ring alkyl; R1 is hydrogen or C4-6 primary, secondary or tertiary alkyl; the amount of the compound of the formula 2 used is 1 to 6 times of the compound of the formula 1; the reactor is fluidized bed reactor or spiral agitator; the amount of the catalyst used is 1 to 20 wt.%; the metal silicone has the size of 50 to 200 meshes; the reaction temperature is 200 to 350 deg. C; and co-catalyst of the copper catalyst is selected from NiCl2(dppm), NiCl2(dppe), NiCl2(dppb), NiCl2(dppp), NiCl2(dppd), nickel, tin, zinc, cadmium, potassium, titanium, silver, magnesium or manganese.
Patent KR-20030065186-A (KR)
Title: Apparatus for controlling door for inspecting a fire
Inventor: KIM SEOK HWAN
IPC: E05B65/10
Filed: 2002-01-31
Abstract: PURPOSE: A door control apparatus for fire watch is provided, which judges a fire by comparing an indoor temperature with a set temperature, and transmits an alarm message or an alarm and opens a door in case of fire. CONSTITUTION: A temperature sensing part(101) measures an indoor temperature. A central control part(103) compares the measured indoor temperature with a set temperature, and generates a door open signal according to the generation of a fire. A door control part(102) opens a door(50) according to the door open signal. And a message generation part(104) transmits a message informing fire generation according to the above fire generation.
Patent KR-20020068292-A (KR)
Inventor: KODA TAKAYUKI
IPC: C12N1/20
Filed: 2002-02-20
Abstract: PURPOSE: To make a fermented mother liquor obtained by L-glutamic acid fermentation more suitable for use as a raw material for fertilizer, etc., without lowering the productivity of L-glutamic acid. CONSTITUTION: Microorganisms capable of producing L-glutamic acid are cultured in a liquid medium adjusted the pH to the condition where L-glutamic acid is separated out. L-glutamic acid is formed and accumulated in the medium as being separated out. Thereafter, the fermented mother liquor as an organic nitrogen-containing composition is obtained by separating the L-glutamic acid from the medium.
Patent KR-20030070706-A (KR)
Title: Face management method of car urethane pad mold and mold
Inventor: LEE CHAE SIK
IPC: B29C33/56
Filed: 2002-02-26
Abstract: PURPOSE: A surface treatment method of a foam mold of a urethane pad for a vehicle is provided to prevent air pollution, and to improve the productivity by restricting polyurethane foam from being stuck to the surface of the mold without additional release agents with coating the inner surface of the mold with ceramic and Teflon. CONSTITUTION: Foreign matters are removed from the surface of a foam mold by injecting sand at high speed after the mold preprocess(20), and a ceramic layer is formed by coating the surface of the mold with ceramic of 20-40 micrometer(30). The mold is heated at 500 deg.C in an electric heater, and a Teflon layer is formed by coating the dried mold with Teflon of 20-40 micrometer(40,50). The foam mold is dried by heating at 380 deg.C, and the second Teflon layer is formed by coating the mold with Teflon of 20-40 micrometer(60,70). The mold is dried by heating the mold at 380 deg.C(80).
Patent KR-20030070945-A (KR)
Title: Shroud having structure for noise reduction
Inventor: CHO GYEONG SEOK
IPC: F04D29/66
Filed: 2002-02-27
Abstract: PURPOSE: A shroud having a noise reducing structure is provided to effectively reduce noise caused by rotation of an axial fan while easily guiding air flow with reducing loss of wind. CONSTITUTION: A shroud(100) includes a housing(110) having a blowing port(120), into which an axial fan is rotatably inserted, a motor supporting ring(130) for supporting a motor for rotating the axial fan, and a plurality of guide blades(140). The guide blades(140) support the motor supporting ring(130) and guide air exhausted when the axial fan is rotated. The guide blades(140) radially connect the motor supporting ring(130) with the housing(110). A rear portion of the housing(110) is recessed so as to effectively guide air into the blowing port(120). A plurality of toothed parts(160) is formed at an inner peripheral portion of a guide ring(150) so as to prevent the swirling flow of air.
Patent KR-20030075013-A (KR)
Title: Cooling device of fuel cell assembly of fuel cell type vehicle
Inventor: KIM YEONG ROK
IPC: H01M8/04
Filed: 2002-03-15
Abstract: PURPOSE: Provided is a device for cooling a fuel cell assembly of fuel cell car which is disposed outside of the fuel cell assembly to cool it more efficiently. CONSTITUTION: The device(100) for cooling a fuel cell assembly for driving fuel cell car comprises: a radiator(10) connected to the fuel cell assembly(11) through a line path(13) on which a water pump(14) is disposed; a cooling part(20) including a cooling fan(21) disposed adjacent to the radiator(10) and a first motor(23) for driving the cooling fan(21); a piston hydraulic pump(30) connected to the first motor(23) of the cooling part(20); a second motor(40) for driving the piston hydraulic pump(30); a temperature sensor(50) located at the fuel cell assembly(11); and an ECU(60) connected to the temperature sensor(50), which monitors the signal showing that the sensing temperature is higher than a standard temperature so that the cooling fan(21) can be operated by the operation of the piston hydraulic pump(30) through the driving of the second motor(40).
Patent KR-20030079092-A (KR)
Title: The assembling structure for cover of room air-conditioner
Inventor: SEO HUN
IPC: F24F1/00
Filed: 2002-04-01
Abstract: PURPOSE: A structure for assembling a cover of a wall mounted type air conditioner is provided to allow easy assembly, disassembly of the indoor unit cover and easy cleaning of an inside of a main body. CONSTITUTION: A cover protecting components in a main body(10) and forming an exterior of an air conditioner comprises an upper cover(21) and a lower cover(22). An air inlet(12) is formed on a front side of the upper cover. A heat exchanger is bent on an inside of the air inlet and fixed to an inside of the upper cover. A dust filter(11) is placed between the heat exchanger and the air inlet, and fixed to the upper cover. A rotary axis of a fan(14) is placed on an inside of the heat exchanger, and mounted on the inside of the upper cover. An air inlet is formed on a front side of the lower cover. A drain plate(20) is placed on the lower cover under the heat exchanger to collect condensed water. A mounting part(19) is formed on a front lower part of the lower cover to support wind direction controlling blades(18). An air outlet(17) is formed on an outside of the mounting part. The upper cover and the lower cover are joined to each other by hooks or screws.
Patent KR-20030081594-A (KR)
Title: Method for growing Crystal of Nitride chemical semiconductor
Inventor: LEE JAE HYEONG
IPC: H01L21/318
Filed: 2002-04-12
Abstract: PURPOSE: A method for growing crystal of nitride semiconductor is provided to be capable of improving the light emitting efficiency of a semiconductor device by considerably increasing the rate of a low potential density region using a predetermined mask pattern. CONSTITUTION: The first nitride semiconductor layer is formed at the upper portion of a substrate. After coating mask material layer on the upper surface of the first nitride semiconductor layer, a plurality of windows(A) are regularly formed at the mask material layer. At this time, each window is shaped into an equiangular triangle. Then, the second nitride semiconductor layer is formed by laterally growing the crystal of the first nitride semiconductor layer through the windows. Preferably, the windows are formed into a zigzag shape.
Patent KR-20030084164-A (KR)
Title: Dynamic communication method and system using remote method invocation
Inventor: KIM GYEONG MAN
IPC: H04L12/70
Filed: 2002-04-25
Abstract: PURPOSE: A dynamic communication method using an RMI(Remote Method Invocation) call and a system thereof are provided to perform a session connection only when data is transmitted by using an RMI function, thereby reducing load of a client system or a server system. CONSTITUTION: A computer system(32) selects a computer system(34) for performing dynamic communication, transmits an RMIC(RMI Communication) packet to the selected computer system(34), and requests an RMIC connection. The computer system(34) decides a called method, a communication method, a connection port, and connection setup showing data, and executes the called method. The computer system(34) opens a designated connection port, and transmits an RMIC response signal for a connection request. The computer system(32) receives the RMIC response signal, and executes a communication application. A session setup is carried out between the computer systems(32,34).
Patent KR-20030088224-A (KR)
Title: Air mix door structure in heater unit for automobile
Inventor: OH MAN JU
IPC: B60H1/08
Filed: 2002-05-13
Abstract: PURPOSE: A structure of an air mix door of a heater unit for an automobile is provided to prevent sudden increase of temperature by allowing wind volume discharged through a lower end of the heater core to be selectively controllable, to improve working performance of the air mix door by reducing pressure due to wind volume, and to improve efficiency of heat exchange all over the heater core. CONSTITUTION: A structure includes an air mix door(20) opening and closing a channel of a heater core(14); a door body part(21) installed on a housing(15) of the heater unit, and having a guide groove guiding a door hinge part(24) of the air mix door; a cam lever hingedly fixed to the door hinge part, and connected with a wire; an elastic moving unit(23) mounted between the door body part and the air mix door to return the air mix door to initial status; and a fixing protrusion formed on an inside of a front end of the door body part, and limiting rotation of the air mix door to allow the air mix door to move along a guide groove in horizontal direction.
Patent KR-20030088785-A (KR)
Title: Method for assembling the frame of the entrance door
Inventor: KIM JIN HYUNG
IPC: E06B1/52
Filed: 2002-05-15
Abstract: PURPOSE: An installation method for a front door frame is provided to install a front door frame easily and rapidly with low expenses. CONSTITUTION: The installation method for a front door frame comprises the steps of: forming assembly guide holes on a vertical bar containing inner and outer vertical bars(12,12',20,20') and a horizontal bar containing an inner horizontal bar(14), upper/lower horizontal extension bars(22,22',24,24') and an outer horizontal bar(26); fixing connectors having assembly holes corresponded to the assembly guide holes to the vertical bar or the horizontal bar; and fixing the vertical bar or the horizontal bar with the connector by a screw, a rivet, or a bolt and a nut.
Patent KR-20020092255-A (KR)
Inventor: ASAMI TAKETOMI
IPC: H01L29/786
Filed: 2002-06-01
Abstract: PURPOSE: A method for fabricating an amorphous silicon layer is provided to reduce ununiformity of devices by forming a semiconductor layer having a crystalline structure while using a metal element for accelerating the crystallization of a semiconductor layer and by effectively eliminating the metal element remaining in the semiconductor layer. CONSTITUTION: The metal element remaining in the semiconductor layer is effectively removed to decrease the dispersion among the elements. The semiconductor layer or, typically, the amorphous silicon layer having an amorphous structure is obtained by a plasma chemical vapor deposition(CVD) method as a step for forming a gettering site by using a monosilane, a rare gas element and hydrogen as starting gases. The semiconductor layer contains the rare gas element at a concentration of 1x10¬20/cubic centimeter to 1x10¬21/cubic centimeter and fluorine at a concentration of 1x10¬15/cubic centimeter to 1x10¬17/cubic centimeter.
Patent KR-20030094994-A (KR)
Title: System for oxygen density of polymide bake oven equipment
Inventor: HWANG SANG IL
IPC: H01L21/02
Filed: 2002-06-11
Abstract: PURPOSE: An oxygen concentration measuring system of a polymide bake oven is provided to be capable of conserving the optimum state of the polymide bake oven before carrying out processes by monitoring and controlling the oxygen concentration of a chamber using a detecting pipe and a valve. CONSTITUTION: An oxygen concentration measuring system of a polymide bake oven is provided with a chamber(210), a detecting pipe(230) inserted into the chamber and an oxygen concentration detecting part(310) connected to the end portion of the detecting pipe for measuring the concentration of the oxygen supplied from the detecting pipe. The oxygen concentration measuring system further includes a valve(240) installed on the detecting pipe for controlling the oxygen flow of the chamber and a control part(320) for controlling the switching state of the valve and transmitting an alarming signal to a speaker(340) when oxygen concentration abnormality is generated at the chamber.
Patent KR-20040001539-A (KR)
Title: Method for forming isolation film in semiconductor device
Inventor: SHIN GANG SEOP
IPC: H01L21/76
Filed: 2002-06-28
Abstract: PURPOSE: A method for forming an isolation layer of a semiconductor device is provided to be capable of roundly forming the upper edge portion of a trench. CONSTITUTION: A pad oxide layer and a nitride layer are sequentially formed at the upper portion of a semiconductor substrate(100). A nitride pattern(300a) and a pad oxide layer(200a) are formed by selectively removing the nitride layer and the pad oxide layer. A tilted portion(A) is formed by selectively removing the substrate. After forming a thermal oxide layer on the entire surface of the resultant structure, a spacer is formed at both sidewalls of the nitride pattern and the pad oxide layer by selectively etching the thermal oxide layer. A trench(700) is formed at the resultant structure. The tilted portion is exposed by removing the spacer. A rounding process is carrier out at the tilted portion.
Patent KR-20030035806-A (KR)
Title: Magnetic disk device and method of controlling rotation synchronous vibration
Inventor: NAKAGAWA SHINSUKE
IPC: G11B5/596
Filed: 2002-06-29
Abstract: PURPOSE: To obtain a highly accurate learning value regarding a synchronous vibration estimated value even when averaging for a position error signal is reduced. CONSTITUTION: Averaging is carried out by an averaging section 52 for a position error signal (PES) indicating a relative position between position information (RRO) prerecorded in a magnetic disk 12 and a magnetic head 20, an operation amount is obtained by a phase compensator 46 based on the PES, averaging is carried out for this operation amount by an averaging section 50, signals processed by the averaging sections 50, 52 are subjected to convolution integration by using transmission characteristics which are obtained by adding 1 to loop transmission characteristics decided by the model P0 of a magnetic head actuator and a servo control circuit in order to obtain a synchronous vibration estimated value, this synchronous vibration estimated value is subjected to high pass-filter processing having zero phase error characteristics by a filter processing section 58 to remove the vibration component of a low frequency band, and thus a highly accurate synchronous vibration learning value is obtained.
Patent KR-20040005100-A (KR)
Title: Natural Purification Sewage Disposal System by Double Ventilation Method and Aerobic-Anaerobic Combination Type
Inventor: HUH JONG SU
IPC: C02F3/32
Filed: 2002-07-08
Abstract: PURPOSE: Provided is a nature sewage treatment system having a compact size by arranging an aerobic zone above an anaerobic zone, thereby occupying g a small installation area in land, and double pipes to supply oxygen enough to microorganisms. CONSTITUTION: The system comprises an aerobic zone(10) having a gravel layer(15) at the bottom thereof, a sand layer(16) on the gravel layer(15), and water plants(17) planted in the sand layer(16); an anaerobic zone(40) formed under the aerobic zone(10), the anaerobic zone(40) having a gravel layer(25) at the bottom thereof, and a sand layer(26) on the gravel layer(25); a first air supply pipe(30) arranged in a matrix form at the bottom of the aerobic zone(10) and having an outlet extending to the anaerobic zone(40) and an inlet exposed to the air; a second air supply pipe(33) arranged in a matrix form at the middle height of the aerobic zone(10) and having an end exposed to the air; a plurality of connection pipes(34) for connecting the first air supply pipe(32) and the second air supply pipe(33); and a denitrification zone(20) located at a side of the anaerobic zone(40) and having a gravel layer(25) at the bottom thereof, a sand layer(26) on the gravel layer(25) and water plants(27) planted in the sand layer(26).
Patent KR-20040009067-A (KR)
Title: Backset used for door lock
Inventor: MIN GYEONG YANG
IPC: E05B47/06
Filed: 2002-07-22
Abstract: PURPOSE: A backset for door lock system is provided to maintain or release stably a locking state of a dead bolt by using various methods. CONSTITUTION: A backset for door lock system includes a lever(10) having a ring(11) connected to an internal handle and an external handle, a cam(12), a cam plate(13) for interlocking the ring(11) and the cam(12) and a dead bolt inserted into a groove of a frame. The backset for door lock system further includes a power generator(20), a gear arm plate(30), and a manual open lever(40). The power generator(20) is used for generating the power to rotate a worm gear(20a). The gear arm plate(30) is moved by the rotation of the worm gear(20a). The manual open lever(40) is used for applying the power to the cam plate(13).