baber/WOPTO huggingface dataset:
Patent KR-20040012411-A (KR)
Title: method of manufacturing granite brick and granite brick.
Inventor: GONG PAL YONG
IPC: C04B14/00
Filed: 2002-07-31
Abstract: PURPOSE: A manufacturing method of granite bricks applied to outer and inner walls of buildings is provided, which offers good appearance, easy construction and low cost by adhering granite to cement bricks. CONSTITUTION: The granite bricks are manufactured by the following steps of: crushing granite(1) to a size of 200-300m/m; processing four sides of crushed granite; cutting to a fixed size by hitting two times to give an irregular and natural shape; applying an adhesive(13) on the upper side of the cement brick; putting the cut granite to the adhesive part of the cement brick and applying pressure for adhering granite to the cement brick; and drying naturally.
Patent KR-20040020172-A (KR)
Title: Semiconductor memory device having a lower electrode preventable oxidation of contact plug and method for manufacturing the same
Inventor: CHOI JAE HYEONG
IPC: H01L27/108
Filed: 2002-08-29
Abstract: PURPOSE: A semiconductor memory device and a method for manufacturing the same are provided to prevent the surface oxidation of a contact plug by forming an oxygen blocking layer in a lower electrode. CONSTITUTION: A contact plug(100) is formed on a semiconductor substrate. A lower electrode(140) is connected to the contact plug. A dielectric film(150) is formed on the lower electrode. An upper electrode(160) is formed on the dielectric film. At the time, the lower electrode(140) is provided with the first thin film(110), an oxygen blocking layer(120) and the second thin film(130). The oxygen blocking layer(120) is made of TaO.
Patent KR-20040022250-A (KR)
Title: air trap system of conduit
Inventor: JEONG YONG SEOK
IPC: E03F5/042
Filed: 2002-09-03
Abstract: PURPOSE: A sewerage and odor counterflow preventer is provided to prevent the counterflow of odor and sewerage with low expenses. CONSTITUTION: The sewerage and odor counterflow preventer contains a water collecting structure installed between a filter upper plate(101) and a sewer pipe fixture(105) to intercept odor, and a counterflow preventive plate(115) installed over the sewer pipe fixture(105) to prevent the counterflow of sewerage.
Patent KR-20040022270-A (KR)
Title: Method for fabricating v-groove block of optical fiber array
Inventor: CHAE SEUNG HUN
IPC: G02B6/36
Filed: 2002-09-03
Abstract: PURPOSE: A method for manufacturing a V-groove block for use in an optical fiber array is provided to improve the yield of the products by accurately connecting the optical fiber to the V-groove block. CONSTITUTION: A method for manufacturing a V-groove block for use in an optical fiber array includes the steps of: forming an upper and a lower mask layers on the top and a bottom surfaces of a cleaned silicon wafer(50) and coating a first photoresist layer on the top mask layer; illuminating an ultraviolet ray on the first upper mask layer by using a photo mask and developing the first photoresist layer, thereby forming a photoresist pattern; forming a V-groove etching mask on the upper mask layer and removing the photoresist pattern; forming a V-groove(50a) on the top surface of the silicon wafer(50) by using an anisotropic etching method; removing the upper and the lower mask layer remaining on the silicon wafer(50a); coating(S180) a second photoresist layer(57) on the top surface of the silicon wafer(50) formed thereon the V-groove(50a); manufacturing(S190) the V-groove block(60) by cutting the silicon wafer(50) formed thereon the V-groove(50a) into a plurality of chips; and removing(S200) the second photoresist layer(57) remaining on the top surface of the V-groove block(60).
Patent KR-20040021951-A (KR)
Title: White light emitted diode
Inventor: KIM JAE JEONG
IPC: H01L33/56
Filed: 2002-09-06
Abstract: PURPOSE: A white LED is provided to prevent the stress applied to an LED chip and enhance the reliability by forming a transparent silicon layer between the LED chip and an epoxy mold layer. CONSTITUTION: A white LED includes a cathode(22), a hall cup(25), an LED chip(20), and an anode(21). The hall cup(25) is formed at a front end of a lead frame for forming the cathode(22). The LED chip(20) is inserted into the hall cup(25). The LED chip, the anode(21), and the cathode(22) are connected each other by using an anode lead and a cathode lead. The hall cup is sealed by an epoxy including a fluorescent material. A transparent silicon layer(26) is used for filling up the hall cup(25). An epoxy mold layer(27) including the fluorescent material is formed on the transparent silicon layer(26). The epoxy mold layer(27), the cathode, and the anode are coated by a transmissive material(28).
Patent KR-20040023891-A (KR)
Title: Stainless steel Strip coil Former
Inventor: JUNG GYU SU
IPC: B21D5/08
Filed: 2002-09-12
Abstract: PURPOSE: An apparatus for formation of stainless steel strip coil is provided to accomplish the formation process including arranging forming roller part and cutting part, forming foldable line, forming stepwise by the forming roller, and cutting the formed frame into desired length at once. CONSTITUTION: The apparatus comprises a main body(10); a guidance part(20); a V cutter part(70) receiving stainless steel strip coil; a forming roller part(80) for folding the coil and forming a final product; a power source part(50) positioned at lower portion of the guidance part(20) to transfer power to a connection gear between the V cutter part(70) and the forming roller part(80). The apparatus further includes a cutting oil part for supplying the oil to the V cutter part(70) and the forming roller part(80), a cutter part(30) at a terminal end of the forming roller part(80) to cut and discharge a frame after the formation process.
Patent KR-20040024968-A (KR)
Title: Apparatus for adjusting belt tension in motor
Inventor: CHO JONG SIK
IPC: F16H7/08
Filed: 2002-09-18
Abstract: PURPOSE: A tension adjusting device of a belt for a motor is provided to adjust the tension of the belt on the pulley of the motor by fixing the position after turning the motor around the specific point outside the motor, and to keep constant load to the belt by absorbing impact to the motor with a buffer unit. CONSTITUTION: A belt tension adjusting device of a motor is composed of a couple of support bodies(38a,38b) longitudinally fixed and faced to support the motor; a rotating shaft(46) combined with the support bodies by penetrating; a turning part(16) arranged and rotated to the support bodies to place the motor and contain the rotating shaft; and a position adjusting unit adjusting the position of the turning part to the plate. Impact to the motor and the tension adjusting device is relieved by absorbing vibration and overload from the motor with the buffer unit. Loosening of the belt is prevented by reducing impact to the belt, and noise is reduced by absorbing vibration of the motor.
Patent KR-20040025019-A (KR)
Title: One step flip chip mounting method
Inventor: LEE HO YEONG
IPC: H01L23/12
Filed: 2002-09-18
Abstract: PURPOSE: A method for mounting a flip chip using a simple process is provided to simplify a process for mounting a flip chip by performing only a thermal process without changing an existing apparatus. CONSTITUTION: A PCB(Printed Circuit Board) is prepared to mount a flip chip. A solder-fill is located at a predetermined position of the PCB on which the flip chip is mounted(B1). A semiconductor chip is located on the solder-fill(B2). A reflow process for the PCB including the solder-fill and the semiconductor chip is performed(B3). The solder-fill is a thin section, which is formed with a material for solder bump and a material for under-fill according to a structure of the semiconductor chip and a structure of the PCB.
Patent KR-20040025219-A (KR)
Title: Method for forming of mos transistor
Inventor: CHO CHEOL HO
IPC: H01L21/336
Filed: 2002-09-18
Abstract: PURPOSE: A method for forming a MOS transistor is provided to remove polymers generated in dry-etching of a screen oxide layer by using an ashing process. CONSTITUTION: A gate(103) is formed on a substrate(100) having an isolation layer. A spacer(104) is formed at both sidewalls of the gate and an ashing process is carried out. Then, an LDD region(105) is formed in the substrate. A screen layer is formed on the resultant structure. A source/drain region(107) is formed using a screen layer. The screen layer is then removed and an ashing process is carried out. Then, a silicide layer(109) is formed on the gate and the source/drain region.
Patent KR-20040029845-A (KR)
Inventor: CHO YU HUI
IPC: H04W8/24
Filed: 2002-10-02
Abstract: PURPOSE: A remote reset service system is provided to reset the CPU of a specific mobile terminal in a remote place so that another person's usage for the mobile terminal can be restricted. CONSTITUTION: A remote reset server, if a request for a remote reset service is received from the user of a mobile terminal, authenticates the user and sends a CPU reset signal to the mobile terminal through a BTS(Base Transceiver Subsystem) using a paging channel or a traffic channel. If the service is normally made, the remote reset server notifies the user of it. The mobile terminal, receiving a specific paging signal from the external by wireless, resets all the functions to a lock state so that associated functions can be used only when a preset password is inputted.
Patent KR-20040032657-A (KR)
Title: The method of the color aberration compensating for optical lens system and the apparatus of the same
Inventor: LIM DAE CHEOL
IPC: G02B27/00
Filed: 2002-10-10
Abstract: PURPOSE: A method and an apparatus for correcting a chromatic aberration of an optic system are provided to obtain a clear image regardless of a variation of focus distance by controlling a position of an image sensor. CONSTITUTION: The reflected light focused by an image-forming optic system(53) is sensed by a linear sensor(54). The quality of the formed image is confirmed by the linear sensor(54). The linear sensor(54) is shifted if the quality of the formed image is not good. A defect of a product is detected by using the formed image if the quality of the formed image is good. The process for detecting the defect of the product includes a process for controlling a size of the formed image by changing a position of the image-forming optic system(53).
Patent KR-20040036085-A (KR)
Title: Structure of Bridge with Hollow Slab and Constructing Method Thereof
Inventor: BAEK JEONG SU
IPC: E01D2/00
Filed: 2002-10-23
Abstract: PURPOSE: A structure of an empty slab bridge is provided to construct a bridge firmly in structure and to shorten a period of construction. CONSTITUTION: The structure of an empty slab bridge contains: an empty slab(20) supported to a backing installed on a pier(10) to connect piers(10); a lower reinforcing bar(30) buried under the empty slab(20); a support(40) installed on the lower reinforcing bar(30) at regular intervals and extended upward; an empty member(60) of foaming synthetic resins placed on the upper part of the support(40) and fixed by a fixture; and an upper reinforcing bar(70) placed on the upper part of the empty member(60).
Patent KR-20040037486-A (KR)
Title: a pence and guardrail having the light
Inventor: KIM GI HWAN
IPC: E01F15/00
Filed: 2002-10-28
Abstract: PURPOSE: A fence and a handrail provided with an illuminator is provided to minimize the limit on works by fixing a handrail or a fence to the outside, to light up a fence or a handrail without an additional security light and to have excellent appearance. CONSTITUTION: The fence and the handrail provided with an illuminator contains: a main body(100) composed of a horizontal member and a vertical member, and provided with a solar battery and an optical sensor generated by the sun and installed on the surface and a connector connected with the optical sensor; a lighting body(200) provided with a fixing bar(260) having a connector and installed to emit light by power sources supplied by a plug projected to the fixing bar(260); and a lighting body connector(330) installed to the fixing bar(260) coupled to the appointed part of the main body(100) selectively.
Patent KR-20040039557-A (KR)
Title: Device for measuring crop profile and velocity of hot bar by using optical fiber
Inventor: LEE JAE HO
IPC: B21B38/00
Filed: 2002-11-02
Abstract: PURPOSE: An apparatus for measuring crop shape and speed of hot bar using optical fiber is provided which cuts unnecessary parts of the hot bar more accurately, and in which a separate cooling means is not required by accurately measuring the crop shape and speed of the hot bar using hot bar detectors and crop shape detectors. CONSTITUTION: The apparatus comprises hot bar detectors(20) at least two or more of which are arranged between rollers of a roller table(5) for transferring a hot bar passing through roughing mill(1), and which are optical fiber sensors for detecting light in the infrared ray region; crop shape detectors(30) on a fixed member of which a plurality of the hot bar detectors are arranged in a width direction of the hot bar(2), and which are arranged adjacently to the front side of a crop cutter(4) that is an end part of the roller table; a signal processor(40) electrically connected to the hot bar detectors to calculate moving speed of the hot bar by the following expression and connected to the crop shape detectors to receive information on crop shape by scan through the crop shape detectors: v=s/t, where v is a moving speed of top end or rear end of the hot bar, s is a distance between the hot bar detectors (installation distance), and t is a moving time; and a PLC (programmable logic controller)(50) for controlling driving of the crop cutter based on the hot bar moving speed information and the crop shape information received through the signal processor.
Patent KR-20040039751-A (KR)
Title: Defrosting heat for refrigerator
Inventor: KIM CHI YEONG
IPC: F25D21/08
Filed: 2002-11-04
Abstract: PURPOSE: A deicing heater for a refrigerator is provided to use an inexpensive material in forming a sheathing pipe with securing a sufficient anti-rust function by forming a ceramic coating layer on a surface of the sheathing pipe, thereby reducing the manufacturing cost. CONSTITUTION: A heater(40) is formed of an electric heat line(42), an insulating layer(44), a sheathing pipe(46), and a ceramic coating layer(48). The electric heat line generates heat by applying power, and emits heat necessary for deicing. The insulating layer is formed outside the electric heat line. The sheathing pipe covers the insulating layer, being made of a metal material enduring external force. The ceramic coating layer is formed on a surface of the sheathing pipe, wherein the ceramic coating layer is excellent in an anti-rust function.
Patent KR-20040041434-A (KR)
Title: Method of free charge hydraulic pressure control for automatic transmission in vehicles
Inventor: LEE SANG CHEOL
IPC: F16H61/00
Filed: 2002-11-11
Abstract: PURPOSE: A free charge hydraulic control method of an automatic transmission for a vehicle is provided to improve shift response properties and control the degree of freedom by variably controlling the free charge hydraulic pressure to input torque of a shift starting point in shifting. CONSTITUTION: A free charge hydraulic control method of an automatic transmission for a vehicle is composed of steps for detecting input torque of a shift starting point when shift is ordered in traveling(S100,S120); choosing a map data to a control region by deciding the control region to the detected input torque as plural numbers(S130); outputting a free charge control value by adding a previous learning value to the chosen map data(S140); and learning for each control region, storing the learning value applied with a damping coefficient for the learning value and completing the process(S150,S160,S170).
Patent KR-20040045171-A (KR)
Title: Method decreasing idct computing quantity of video decoder
Inventor: YANG JI WON
IPC: H04N19/625
Filed: 2002-11-22
Abstract: PURPOSE: A method for reducing the quantity of calculations of IDCT(Inverse Discrete Cosine Transform) of a video decoder is provided to differently carry out calculations of matrixes in response to characteristics of the matrixes. CONSTITUTION: The characteristic of a two-dimensional matrix is confirmed. When only the first element of the matrix has a DC value(S1), the values of the entire matrix are filled with 1/8 of the DC element(S2). When only the first column of the matrix has a coefficient(S3), a one-dimensional IDCT result value of the first column in the other columns(S4). When only the first row of the matrix has a coefficient(S5), a one-dimensional IDCT result value is filled in the other rows(S6). When the matrix does not have any of the three characteristics, results value of respective elements of the matrix are obtained through IDCT calculation(S7).
Patent KR-20030044826-A (KR)
Inventor: OGURA TAKASHI
IPC: H04R7/10
Filed: 2002-11-28
Abstract: PURPOSE: A piezoelectric speaker is provided to be capable of reducing the weight of a vibration panel, while securing the rigidity of the vibration panel and the thermal expansion coefficient of the vibration panel surface. CONSTITUTION: A piezoelectric speaker(10) and a circuit part(20) are formed as one piece. The piezoelectric speaker includes a vibration panel made of a two-story surface layer(7), an aluminium core layer(8) formed between the two-story surface layer, and a two-story insulating layer(9) formed between the two-story surface layer and the aluminium core layer. The board of the circuit part is formed by using the same materials as the vibration panel of the piezoelectric speaker. The piezoelectric speaker further includes a piezoelectric device(14) formed at the upper portion of the vibration panel.
Patent KR-20040051688-A (KR)
Title: An apparatus for transferring splash cover
Inventor: CHOI GEUM JIN
IPC: F27D21/00
Filed: 2002-12-11
Abstract: PURPOSE: An apparatus for transferring splash cover is provided which improves operation efficiency and prevents safety accident by transferring the splash cover promptly and safely during replacement, mounting or dismantling of the splash cover. CONSTITUTION: In an apparatus for moving a splash cover mounted on an upper part of main iron trough during tapping operation, the apparatus for transferring the splash cover comprises a body part(10) comprising wheels(16) and body(18) connected to wheel shafts(14) in such a way that the wheels and the body travel on rails(12) fixed to the ground adjacently to the main iron trough; a driving part(30) comprising a driving motor(32) fixed onto an upper part of the body to transmit power to the wheel shafts by chain(34), and limit switches(36) fixed to both sides of the body to prevent excessive operation of the driving motor; and liftable and lowerable parts(50) comprising a hydraulic cylinder(54) vertically operated with being fixed to a supporting member(52) fixed onto an upper part of the body, a support member(56) fixed to rod(54a) of the hydraulic cylinder, and a hydraulic pump(58) for supplying hydraulic pressure to the hydraulic cylinder.
Patent KR-20040056429-A (KR)
Title: Method for Displaying Status of Subscribers in the Key-phone Main System
Inventor: CHOI DO HYEON
IPC: H04Q3/58
Filed: 2002-12-23
Abstract: PURPOSE: A method for displaying a subscriber state of a main unit of a key phone system is provided to inform an extension state of a subscriber to an operator or a subscriber of a different extension. CONSTITUTION: A program of a controller sets a basic set time value set for each maintenance time and corresponding display information(S1). The controller detects a state of each extension subscriber(S2). A timer manager of the controller drives a timer corresponding to a state of a corresponding extension subscriber(S3). The controller reads the basic set time value set for each maintenance time(S4) and compares a time value of the driven timer and the corresponding basic set time value(S5). If the time value of the timer exceeds the basic set time value, the controller reads display information corresponding to the basic set time value(S6) and informs an operator or a different subscriber extension about it by a display unit according to the read display information(S7).
Patent KR-20040056615-A (KR)
Title: Method for Predicting Mechanical Properties of Hot-rolled and Cooled Steel
Inventor: JU SE DON
IPC: B21B38/00
Filed: 2002-12-24
Abstract: PURPOSE: A method for predicting mechanical properties of steel rolled and cooled is provided which is capable of controlling physical properties of final microstructure by accurately measuring transformation behavior even if cooling rate is changed during cooling of the rolled steel after rolling steel. CONSTITUTION: The method comprises a step of obtaining a transformation amount (X1) during air cooling of steel to be cooled after rolling; a step of obtaining a transformation amount (X2) during water cooling of steel to be cooled after rolling; a step of obtaining grain diameter of ferrite transformed during air cooling and water cooling; a step of obtaining an average grain diameter from the obtained ferrite grain diameter; and a step of obtaining tensile strength and yield strength of the steel from hardness obtained from an average transformation temperature and the average ferrite grain diameter.
Patent KR-20040012428-A (KR)
Title: Magnetron
Inventor: ISHII TAKESHI
IPC: H01J25/50
Filed: 2002-12-26
Abstract: PURPOSE: To provide a magnetron for inhibiting the third harmonic and a side band of the third harmonic with a simple and rational constitution. CONSTITUTION: A metallic side pipe 8 air-tightly sealed to an opening end of an anode cylinder 1 through a magnetic pole piece 7, a cylindrical choke 15 for inhibiting the third harmonic and a cylindrical choke 10 for inhibiting the fifth harmonic, coaxially mounted at inner face side of the metallic side pipe 8, a plurality of vanes 2 mounted on an inner face of the anode cylinder 1 toward a central shaft, antenna leads 17 microwavely connected to an arbitrary position of the vanes 2, and an output part of the magnetron through which the antenna leads 17 are penetrated through the magnetic pole piece 7 and the metallic side pipe 8 in a non-contact state, are mounted, and the antenna lead 17 is configurated to determine an electric length L1 between an opening end part of the cylindrical choke 15 for inhibiting the third harmonic and a connecting part of the vane 2, to be λ/2 of the third harmonic.
Patent KR-20040060256-A (KR)
Title: Method for etching a metal line in a semiconductor device
Inventor: OH SANG HUN
IPC: H01L21/3213
Filed: 2002-12-30
Abstract: PURPOSE: A method for etching a metal line of a semiconductor device is provided to minimize micro-loading effect by using an additional dry-cleaning containing F-based gas. CONSTITUTION: An arc layer is selectively etched by first dry-cleaning using O2 gas and etched by second dry-cleaning using F-based gas containing Cl2 of 100-200 sccm and CHF3 of 5-30 sccm, thereby forming a metal line. In the step, the source power sets 500-1200 Watt and the bias power sets 0-10 Watt.
Patent KR-20040061301-A (KR)
Title: Method and apparatus for fabricating a barrier metal layer of a semiconductor device
Inventor: KO SANG TAE
IPC: H01L21/768
Filed: 2002-12-30
Abstract: PURPOSE: A method for forming a barrier metal layer of a semiconductor device is provided to control an increase of the whose thickness of a barrier metal layer and prevent the cross section of an interconnection layer from being unnecessarily reduced by making the barrier metal layer formed of a single stack of a TiSiN material. CONSTITUTION: After an interlayer dielectric(12) is formed on a semiconductor substrate(11) in which a contact necessary region is previously defined, the interlayer dielectric is patterned to open the contact necessary region. A series of additive gas and precursor materials are separatively injected into mutually separated upper and lower regions. After a plasma treatment is performed on the additive gas, the plasma-treated additive gas and precursor materials are reacted to form a single TiSiN film that covers the contact necessary region.