baber/WOPTO huggingface dataset:
Patent KR-20010035851-A (KR)
Title: Shadow mask
Inventor: PARK JUN HUI
IPC: H01J29/07
Filed: 1999-10-04
Abstract: PURPOSE: A shadow mask is provided to prevent a screen failing phenomenon and increase the strength of the shadow mask, by forming a bead of the shadow mask in the same direction as rising of the shadow mask. CONSTITUTION: A shadow mask(2) includes a skirt(6) formed perpendicularly to an edge and a bead(8) formed at a circumference. A rising direction of the bead(8) is formed the same as that of the shadow mask(2). The shadow mask(2) has a plurality of apertures(4) through which electron beams outputted from an electron gun are uniformly penetrated. A punch presses the shadow mask(2) placed on a flow die, and a pressing part of the punch has the same curvature as that of the shadow mask(2). A shader is inserted in an intermediate portion of the shadow mask.
Patent KR-20000028986-A (KR)
Inventor: SUZUKI SINJI
IPC: G03F7/20
Filed: 1999-10-11
Abstract: PURPOSE: A method for exposing proxymity emitting slope angle is provided to emit a ray to a certain portion by computing a shift location of a mask pattern projected according to an emitted angle to an X direction of the mask pattern and moving a work according the computed result to emit a ray. CONSTITUTION: A mask(M) is arranged on a work(W) through a certain gap(G). A mask mark and a work mark are observed by an alignment microscope(7), a location correction of the mask(M) and the work(W) are performed. A lamp house(3) is supported by a guide(4). The lamp house(3) is moved by a lamp house driving equipment(5) for changing an incident angle of the exposed ray to the mask(M) and the work(W). A gap measuring device(6) is arranged on the mask(M) for measuring a gap amount of the mask(M) and the work(W). The alignment microscope(7) is arranged on the mask(M) for performing the location correction of the mask(M) and the work(W). A control unit(10) drives a driving equipment(1) and a driving equipment(2) to move a workstation(WS).
Patent KR-20010037322-A (KR)
Inventor: LEE SANG HYEON
IPC: H01L21/76
Filed: 1999-10-15
Abstract: PURPOSE: A method for forming a trench isolation of a semiconductor device is provided to prevent a recess or dent of a liner nitride layer formed in a trench for anti-oxidation. CONSTITUTION: In the method, a pad oxide layer(120b), a mask nitride layer(140b) and a mask oxide layer overlying thereon are formed in sequence on a semiconductor substrate(100) and then etched with a part of the substrate(100) to form a trench. After a thermal oxide layer(200a) is formed in the trench, the liner nitride layer(220a) is formed thereon. The trench is then half filled with the first insulating layer(240b). Thereafter, the mask nitride layer(140b) and the liner nitride layer(220a) are separated from each other by a selective strip process with phosphoric acid. The trench is then fully filled with the second insulating layer(260a). Next, the second insulating layer(260a) is planarized until the mask nitride layer(140b) is exposed, and then the mask nitride layer(140b) is removed.
Patent KR-20010038076-A (KR)
Inventor: LEE SUNG WOO
Filed: 1999-10-21
Abstract: PURPOSE: A system and a method for issuing ticket on the internet are provided to allow a user to directly use a ticket issued on the internet by printing the ticket using the user's printer without changing the printed ticket. CONSTITUTION: The system comprises an administrator unit(100), a user unit(200), and a member store unit(300). The administrator unit includes the network interface(150), which connects inner systems of the administrator unit, and includes a main processor interface(110), which processes a payment according to a ticket issuing. The user unit, the member store unit, and a vending machine unit(400) are connected with the main processor interface via the network interface. A financial institution interface(130) is connected with the main processor interface for paying the price for issuing the ticket. The firewall system(120) between a database system(160) and a main processor interface(110) is installed to access to the database system for authorized personnel only. The administrator processor interface(140), which manages the communication with the member store, is installed between the network interface(150) and the database system.
Patent KR-20000035242-A (KR)
Inventor: MASAYUKI YANO
IPC: G06F11/16
Filed: 1999-11-04
Abstract: PURPOSE: A data reading apparatus is provided to read data recorded on a data recording part of a film cartridge. CONSTITUTION: A data reading apparatus adapted for a film cartridge having a data recording part (9) provided on a predetermined moving member includes a first data reading device (2) which reads data from the moving data recording part, a second data reading device (3) which reads data from the moving data recording part and which is disposed at a position different from that of the first data reading device (2) with respect to a moving direction of the data recording part (9), and a data obtaining circuit (1) which makes a comparison between data read by the first data reading device (2) and data read by the second data reading device (3) and obtains, on the basis of a result of the comparison, data corresponding to data recorded on the data recording part (9). In the data reading apparatus, a data reading operation on the same data recording part is performed by both the first data reading device (2) and the second data reading device (3), and results of reading obtained by both the first data reading device (2) and the second data reading device (3) are compared with each other to determine data recorded on the data recording part (9).
Patent KR-20010046040-A (KR)
Inventor: YOO NAE YUN
IPC: G02F1/13
Filed: 1999-11-10
Abstract: PURPOSE: An apparatus for carrying in/out a liquid crystal glass is to be disposed in a roller conveyer type developing equipment to automatically carry in/out the liquid crystal glass, and perform the glass carrying operation in a closed space to prevent contamination of the liquid crystal glass by particles. CONSTITUTION: A chamber(10) is disposed at an inlet and an outlet of a developing equipment and has a door(11) through which a cassette is carried in or out. A cassette mounting unit(20) is disposed at an inner portion of the chamber to mount the cassette thereon and be lifted up by a desired pitch. A unit is disposed in the chamber to be adjacent to the cassette mounting unit and transfer a liquid crystal glass from the cassette or the developing equipment to the developing equipment or the cassette. In the cassette mounting unit, a cassette is mounted on a stage. A lead screw is screwed to the stage. A motor rotates the lead screw. An air purifying filter is disposed in the chamber.
Patent KR-20010046144-A (KR)
Inventor: KIM GI JIN
IPC: H04N19/43
Filed: 1999-11-10
Abstract: PURPOSE: A device for estimating motion in MPEG-2 coder is provided to support a mode for various motion compensations by the same hardware structure when an image is coded using an MPEG-2 method. CONSTITUTION: A reference data processing unit(30) stores inputted reference data adapted to a motion estimating format and reads and outputs the data. A storing unit(40) stores the reference data as a motion estimating format by a control of the reference data processing unit(30). A searching data processing unit(50) stores and reads inputted searching data as a motion estimating format. Memory modules(60, 70) store the searching data by a control of the searching data processing unit(50). An upper and lower motion estimating modules(80, 90) estimate a motion of 1 frame respectively by the reference data and the searching data and output motion data. A motion estimating control unit(100) outputs a motion vector of the upper and lower field having a minimum error respectively by comparing a forecasting error of the motion data output from the upper and lower motion estimating modules(80,90) and offers a control signal to the motion estimating modules(80, 90). FIFOs(110,111) output the motion vector to the motion estimating control unit(100) by delaying the motion vector of the upper and lower field having a minimum error, and output the final motion vector value.
Patent KR-20000006966-A (KR)
Inventor: KIM JEONG KWAN
IPC: A01D34/63
Filed: 1999-11-16
Abstract: PURPOSE: A mower is provided which has a folding fan type of blade to have a blade reciprocating to cut grass or trim tree leaves within limited scope and prevents broken pieces of blade produced when the blade hits a rock from injuring the operator. CONSTITUTION: The mower having an engine(1) connecting to a flexible axle(2) connecting with an end to an operational bar (5) having a rotary axle inserted and supported by bearings for rotation in the bar(5) connecting with one end removably to a cutting tool(6), which has a fitting member having internal gear to engage with a connecting member for the operational bar(5), the member having an end being formed with a spline key hole to receive a spline of the axle and the other end rotatably holding a power transmission member having a spline shaft part and supported by a bearing, and the fitting member on its inner side receiving a speed reducer including a planetary gear and on the front end of the fitting attaching a movable member with its motion angle being adjustable and the other end attaching cutter blades on the upper and the other on the lower.
Patent KR-20000007055-A (KR)
Inventor: KIM KONG SU
IPC: C08B37/08
Filed: 1999-11-23
Abstract: PURPOSE: A process for preparing water soluble chitosan derivatives by introducing cationic substituent to chitosan is provided which makes easy to produce an industrial production because of its high substitution degree and easy recovery of reaction product. CONSTITUTION: Chitosan is dispersed in mixed liquid of organic solvent and water and reacted with an ether reagent of glycidyl trialkyl ammonium salt and glycidyl aryl salt or an ether reagent of 3-chloro-2-hydroxy propyl trialkyl ammonium salt, 3-chloro-2-hydroxy propyl aryl ammonium salt, 3-chloro propyl trialkyl ammonium salt, and 3-chloro propyl aryl ammonium salt to give title compound(1). In formula X = Cl, Br, I, SO2, SO3H, NO3, PO4, CH3COOH; Z = Cl, Br and I; R1,R2,R3 = alkyl, aryl, alkylaryl, cycloalkyl, alkoxyalkyl, alkoxyaryl alkoxyalkyl, and alkoxyaryl. The product can be used for cosmetics, an agriculture, a fiber processing agent, an ion exchanger, an antistatic agent, a coagulant, an adhesive, and ink.
Patent KR-20000052393-A (KR)
Inventor: SANDIKWERK
IPC: F16F15/129
Filed: 1999-11-30
Abstract: PURPOSE: A large-sized torsional vibration damper is provided to broaden lifespan of the damper so that the damper can be operated over 60,000 hours without being broken down, while constituting a bearing apparatus with two or more material layers coupled with each other. CONSTITUTION: A damper(1) utilized for a main engine of vessel operated at a low speed, the damper comprising a rotary circular ring(10) supported into a housing(2) by a bearing device(12) having two or more material layers coupled with each other. The material layers are made up of frictionless and abrasionless materials having a high compression strength. Preferably, at least one of the material layers is made up of metallic material to an enhanced supporting force of the bearing device(12), or plastic material, specifically, plyfluorcarbon to obtain a complete frictionless bearing device and endurance against a high temperature generated during operation of the damper.
Patent KR-20010053878-A (KR)
Inventor: HONG SEONG CHANG
IPC: C05G1/00
Filed: 1999-12-02
Abstract: PURPOSE: An organic or inorganic composite fertilizer and a method for preparing the same is provided which continuously erupts the alkaline fertilizer ingredients and improves acid soil, are provided. CONSTITUTION: The method comprises steps of: (i) reacting fly ash with a KOH solution at a concentration of not less than 3N in a weight ratio of 1:1.5-5 at a temperature of 60-200 deg.C for 0.5-2 hour; (ii) filtering the reaction product of the step (i) to separate the excessive KOH from residuals; (iii) adding nitric acid and phosphoric acid to the residuals in a weight ratio of 1:2-3 to adjust the pH to be 8-12; and (iv) after making a molded body from the paste obtained from the step (iii), drying or sintering the molded body at a temperature of 100-600 deg.C.
Patent KR-20010054543-A (KR)
Inventor: LEE GEUN PIL
IPC: H04N5/57
Filed: 1999-12-07
Abstract: PURPOSE: An image display device is provided to significantly improve the brightness and contrast by applying a variable glass the transmissivity of which is varied depending on whether an electrical signal is applied or not, to a given portion of a panel. CONSTITUTION: An image display device includes a panel(20) having a luminescent face emitted when an energy such as an electron beam is illuminated. A variable glass(10) is installed within the panel(20). A graphite(40) and a luminescent substance(30) are covered on the variable glass(10). The electron beam of a high pressure emitted from an electron gun reaches the panel via the luminescent face. The variable glass(10) the transmissivity of which is varied depending on whether an electrical signal such as the electron beam is applied or not, to a given portion of the panel.
Patent KR-20000012510-A (KR)
Inventor: CHO SUNG GUK
IPC: H04B1/59
Filed: 1999-12-08
Abstract: PURPOSE: A relay system using a single local oscillator which can remove propagation interference areas in mobile communications CONSTITUTION: According to the relay system using a single local oscillator, local oscillated frequency is supplied to four frequency mixers (14, 20, 34, 40) with a single local oscillator (0). This invention can reduce the production cost of the relay system and improves the mutual interference of local oscillators.
Patent KR-20010055041-A (KR)
Inventor: PARK YEONG GUK
IPC: H01L23/28
Filed: 1999-12-09
Abstract: PURPOSE: A semiconductor package having a hang over type chip stack structure and using a substrate with a supporting post is provided to permit a wire bonding between an upper chip and the substrate and further to improve allowance for chip selection. CONSTITUTION: The package includes the substrate, which has a chip-mounting area(8), a circuit pattern(12), and the supporting posts(4) arranged in two rows on the chip-mounting area(8). The package further has at least two stacked semiconductor chips(2,2a) of a rectangular type. The first chip(2) is mounted on the chip-mounting area(8) between the rows of the supporting posts(4), and the second chip(2a) is mounted on the first chip(2). Each chip(2,2a) has the first opposite edges near which bond pads(3,3a) are formed and the second opposite edges without the bond pads. The chips(2,2a) cross each other so that the bond pads(3a) of the second chip(2a) are disposed over the second opposite edges of the first chip(2). In addition, the second opposite edges of the second chip(2a) are supported by the supporting posts(4). The bond pads(3,3a) of each chip(2,2a) are electrically connected to the circuit pattern(12) of the substrate by conductive wires, and external terminals are coupled to the circuit pattern(12).
Patent KR-20010057234-A (KR)
Inventor: JO SANG HO
IPC: B60Q5/00
Filed: 1999-12-20
Abstract: PURPOSE: A multi-tone alarming whistle sound generating device is easy to install, reduces producing cost and increases alarming effect by generating selectively different sound according to situation. CONSTITUTION: A multi-tone alarming whistle sound generating device comprises a mode converting switch(100), a signal discriminator(110) and a setting mode selector(120). The mode converting switch(100) outputs a signal to convert a mode. The signal discriminator(110) amplifies the signal to output a discriminating signal to a sound generator and controller(10). The setting mode selector(120) equipped with multiple setting modes permits selecting one of the setting modes.
Patent KR-20010063514-A (KR)
Inventor: KIM JIN HYEON
IPC: H01L21/28
Filed: 1999-12-22
Abstract: PURPOSE: A method for forming a metal line of a semiconductor device is provided to prevent the degradation of the characteristics of the device by lowering a contact resistance of a metal. CONSTITUTION: A tungsten deposition apparatus comprises the first and the second cooling chamber(201,202) to cool a wafer while loading and unloading the wafer, and also comprises the first and the second deposition chamber(203,204) to perform a deposition and an RF or DC etching chamber(205). A transfer chamber(206) prevents a vacuum breakdown while transferring the wafer to each chamber. The apparatus removes an oxide generated on a TiN surface before depositing a tungsten with an inactive gas plasma in the RF or DC etching chamber, and deposits the tungsten without breaking down the vacuum state in the chamber. According to the method, a contact hole is formed to reveal a part of a silicon layer and then a Ti/TiN is deposited as a barrier metal using a MOCVD method. And a thermal annealing is performed under a nitrogen atmosphere. And, the oxide is removed using the inactive gas plasma like an Ar or a N2 gas in the RF or DC etching chamber. Then, a tungsten is deposited in the first and the second deposition chamber via the transfer chamber.
Patent KR-20010063931-A (KR)
Inventor: KIM JIN DONG
IPC: F04B39/00
Filed: 1999-12-24
Abstract: PURPOSE: A rotation balance controller of closed rotating typed compressor is provided to compensate rotation unbalance generated by an eccentric shaft rotating by receiving driving force of a motor. CONSTITUTION: A rotation balancer of a compressor comprises a closed vessel(1) filling oil; a stator(2) fixed on the closed vessel; a motor rotatably connected to the stator; a rotation shaft(4) combined to the motor rotor by having an eccentric unit(4a) on a side and forming oil passage; and a fluid balancer(30) compensating rotation unbalance of the rotation shaft caused by movement of the oil. The oil is filled into the fluid balancer by the oil passage of the rotation shaft rotating with the motor rotor to compensate the rotation unbalance. The rotation balancer of the compressor compensates the rotation unbalance generated on the rotation shaft by movable flux of the oil filled in the fluid balancer. Thereby, the rotation balancer prevents vibration and noise by maintaining rotation balance of the rotation shaft.
Patent KR-20010060753-A (KR)
Inventor: CHOI HAE CHANG
IPC: C21D9/00
Filed: 1999-12-28
Abstract: PURPOSE: A process for preparing a spring having excellent fatigue life and permanent deformation resistance as well as a high stress of 130kg/mm¬2 by controlling the crystal particle size of austenite in steel comprising a spring alloy component system is provided, which reduces the cost of production. CONSTITUTION: The subject low alloy high stress spring is prepared by the characteristic process consisting of: hot rolling wire rods comprising by weight, C:0.4 to 0.6%, Si:2.8 to 4.0%, Mn:0.1 to 0.3%, Cr:0.3 to 0.6%, O:0.0015% or less, N:0.005 to 0.01%, P:0.01% or less, S:0.01% or less, one or two or more selected from Ni:0.1 to 0.3%, V:0.01 to 0.08%, Nb:0.01 to 0.08% and the balance of Fe with other inevitable impurities at 900 to 950deg.C for 10 to 15 min and quenching to be a grain size of 5 to 10 micrometer, tempering at 350 to 430deg.C to be an amount of retained austenite of 5 to 10%.
Patent KR-20010065084-A (KR)
Inventor: CHO SO YEONG
IPC: D06F35/00
Filed: 1999-12-29
Abstract: PURPOSE: A full automatic washing machine having two washing tubs and a washing method thereof are provided to separate the laundry and to use washing water when washing the dirty laundry after washing the less dirty laundry. CONSTITUTION: An automatic washing machine containing two washing tubs comprises: a body(300) having a suction hose(130); an outer tub(110) connecting to a drain valve(170) and a drain hose(180); an inner tub(120) forming a washing hole(122) and a protrusion unit(121); a first washing tub(100) having the inner and outer tubs; an outer tub(210) connected to a drain valve(270) and a drain hose(280); an inner tub(220) forming a washing hole(222) and a protrusion unit(221); a second washing tub(200) composed of the outer and inner tubs; a first washing tub rotating shaft(150) containing a motor(160) by being connected to the first washing tub; a second washing tub rotating shaft(250); a power transmission(151) combining the first washing tub rotating shaft and the second washing tub rotating shaft; and a washing water resupply unit supplying washing water to the second washing tub from the first washing tub.
Patent KR-20010059283-A (KR)
Inventor: LEE HYEON U
IPC: H01L27/04
Filed: 1999-12-30
Abstract: PURPOSE: A circuit for preventing an EMI(Electromagnetic Interference) is provided to remove efficiently reduced noise and improve the reliability of a device by dividing one input line into two lines and forming filtering portions to divided input lines. CONSTITUTION: An electrostatic prevention circuit portion(5) is connected between an input pad(1) and an internal circuit(3). The first and the second input signal transfer lines(N1,N2) are connected between an output terminal of the electrostatic prevention circuit portion(5) and an input terminal of the internal circuit(3). An EMI filter(9) is connected with the first and the second input signal transfer lines(N1,N2).
Patent KR-20010066076-A (KR)
Inventor: KIM JUNG SU
IPC: G01M13/00
Filed: 1999-12-31
Abstract: PURPOSE: A durability testing device for a piston ring is provided to recognize the adhesion and abrasion characteristics of a piston ring by measuring a temperature of a groove mounted with the piston ring and controlling an oil supply amount with respect to a piston by a micro feed pump. CONSTITUTION: A durability testing device for a piston ring includes a piston(10) mounted with an electric heater(22) inside, a piston temperature control element(20) for controlling a temperature of the electric heater according to a signal applied from a temperature sensor(24) mounted in a groove(12) of the piston, a motor(30) for rotating a rotation shaft(32) of a piston conveying cam(34) which contacts a lower end of the piston, and a micro feed pump(50) for supplying oil stored in an oil storage part(42) formed at a lower part of the rotation shaft to the piston.