baber/WOPTO huggingface dataset:
Patent KR-20000017512-A (KR)
Inventor: HARA YOSHIHIRO
IPC: H01L21/304
Filed: 1999-08-25
Abstract: PURPOSE: A wafer substrate reproducing method is provided to increase a reproduction use frequency of a wafer substrate while minimizing a thickness of the wafer substrate at a reproducing process. CONSTITUTION: The wafer substrate reproducing method comprises the steps of: etching at least one part of an entire metal film (4) and an insulation film (3) on a surface of a wafer substrate (1) with a chemical etchant so that the wafer substrate (1) itself is not substantially solved; removing a changed portion under a surface of the substrate and the remaining portion by use of a chemical-mechanical method; and completion-polishing at least one portion of the substrate.
Patent KR-20010025904-A (KR)
Inventor: JUNG IN HEOK
IPC: A01G7/06
Filed: 1999-09-01
Abstract: PURPOSE: A regrowth method of old trees is provided, thereby above 50 year-old trees being deemed to be disused or used as wood can effectively regrow up. CONSTITUTION: The regrowth method of old trees comprises the steps of: cutting the old trees in an appropriate size; diluting a plant growth enhancer and a root growth enhancer into water; dipping the old trees in the diluted solution for 2 to 3 hours; burying a half part of the old tree in the sand and applying carbamate antimicrobial agents on the upper part of the old tree; heating it to 40 to 70 deg.C, cooling to room temperature at a rate of 4 to 6 deg.C per a hour, and maintaining it for 30 to 50 days to regrow the root of the old tree; cutting the newly growing sprout, applying the root growth enhancer into the root, maintaining for 40 to 50 days, transferring the old tree into the soil, and blocking 50 to 70% of light from the old tree; 40 to 60 days after blocking the light, applying carbamate antimicrobial agents on the upper part of the old tree, applying the plant growth enhancer to the lower part of the old tree, providing it with liquid calcium fertilizer, and spraying the diluted sugar and complex vitamin water to the old tree; 60 to 80 days after spraying, irradiating light to the old tree, and providing it with excess nitrogen, phosphate, and kalium when the old tree bears fruit; covering the root with compost and burying the lower part of the old tree in the sand; and administrating complex fertilizer, liquid calcium fertilizer, and plant hormone preparation into the old tree.
Patent KR-20010029288-A (KR)
Inventor: LEE GYEONG HUI
IPC: G03D13/00
Filed: 1999-09-30
Abstract: PURPOSE: A mask chuck for compensating temperature for a mask developing apparatus is provided to uniformly hold the width of mask line by compensating the temperature of a mask. CONSTITUTION: A mask developing apparatus(200) has a mask chuck(210) rotatively installed on a rotating shaft(216). A spray nozzle for spraying a developing solution is installed on the top of the mask chuck. The mask chuck consists of a bottom portion(212) of rectangular shape for bearing a mask(220), and a jaw(214) for preventing the separation of the mask. A heating element(240) is embedded in the bottom portion for raising the temperature in the peripheral of the mask. After the mask is disposed on the bottom portion of the mask chuck, the mask chuck and the mask are rotated. At this time, the developing solution is sprayed through the spray nozzle, and the heating element radiates heat. The temperature of the peripheral portion of the mask is firstly raised, and then the center portion of the mask is raised according to the heat radiation. Therefore, the temperatures of the peripheral portion and the center portion of the mask are uniformly hold although the temperature of the peripheral portion of the mask is rapidly dropped.
Patent KR-20000028932-A (KR)
Inventor: TAKEMOTO THNEJI
IPC: G02B5/30
Filed: 1999-10-08
Abstract: PURPOSE: A laminated optical film is provided to cut a square optical film chip with effective productivity by easily discriminating between a direction of optical shaft of a first optical film and a direction of optical shaft of a second optical film. CONSTITUTION: A first film and a second film are laminated through an adhesion layer to form a laminated optical film(3). Two sides(AB, DC) of the laminated film are parallel with each other, and are parallel with or at right angles with an optical shaft(2). An oblique side(BC) of the laminated film slants to the two sides(AB, DC) and is parallel with an optical shaft(1). A side(AD) of the laminated film is not parallel with the side(BC).
Patent KR-20010036482-A (KR)
Inventor: MIN YONG
IPC: A47C3/20
Filed: 1999-10-08
Abstract: PURPOSE: A height adjuster is provided to prevent human and material resources due to malfunction by preventing the overload of a motor according to the overweight of objects by simplifying the output of a driving motor, and to prevent the increase of development expenses without remanufacturing additional motors and a housing to improve the output of a motor. CONSTITUTION: A height adjuster comprises; a main frame(11); a driving motor(21) having a horsepower of 1/25¯1/10 by comprising a stator core(22) of 20¯40 millimeters in height coiled with copper wire and installed to the main frame, and a rotary shaft(23) rotated on the center of the stator core and provided with a helical gear train(23b) on the lower end; a screw shaft(31) supported to the main frame and rotated longitudinally according to the rotation of the rotary shaft; a movable pipe(41) fixed to a supporting shaft(10), screwed down reciprocally to receive the screw shaft, and reciprocated by the rotation of the screw shaft; a primary cover(24) coupled with a various-sized binding bush(26) to control an interval with the main frame and covering the driving motor to make the top of the rotary shaft projected; a secondary cover(27) combined on the primary cover; an auxiliary frame(51) coupled to the lower part of the main frame.
Patent KR-20010037244-A (KR)
Inventor: JUNG YEONG SEOK
IPC: H01L23/10
Filed: 1999-10-15
Abstract: PURPOSE: A semiconductor package and a manufacturing method thereof are provided to improve a solder joint force of the package being mounted onto a mother board. CONSTITUTION: The package(100) includes a semiconductor chip(2) having a plurality of input/output pads(2a), a chip mounting plate(4) glued to the bottom of the chip(2), a plurality of inner leads(6) disposed apart from sides of the chip mounting plate(4), conductive wires(8) electrically connecting the input/output pads(2a) with the inner leads(6), and a package body(10) encapsulating the chip(2) and the wires(8) but exposing the bottom of the chip mounting plate(4) and the bottom and outer sides of the inner leads(6). In particular, during a singulation process for the package(100), a burr is formed upward on the outer side of the inner leads(6). Therefore, the burr does not affect the solder joint force while the package(100) is mounted onto the motherboard. Additionally, undesirable peeling off of a plating layer(30) under the inner leads(6) is prevented.
Patent KR-20010038333-A (KR)
Inventor: KIM HYEON GYUN
IPC: H04B1/40
Filed: 1999-10-25
Abstract: PURPOSE: A display device of a mobile communication terminal is provided to display a specific letter and symbol representing the transceiving and universal operation state on the outside space by a laser emitting light so as to satisfy the requirement of a user pursuing the variety. CONSTITUTION: A display device of a mobile communication terminal comprises one or a plurality of laser diodes(301), a diffraction-projection body(302), one or a plurality of laser diode drivers(303), one or a plurality of switches(304) and a main control part(305). The laser diodes(301) display the contents that a user wants to represent on the outside space by one or a plurality of colors. The diffraction-projection body(302) diffracts a laser light emitted from the laser diodes(301) and projects the light on the outside space. The laser diode drivers(303) drive the laser diodes(301). The switches turn on/off the power source supplied to the laser diode drivers(303). The main control part(305) controls the on/off operation of the switches(304).
Patent KR-20010045957-A (KR)
Inventor: HAN DAE SEOK
IPC: C12G3/04
Filed: 1999-11-09
Abstract: PURPOSE: Provided is a method for manufacturing alcoholic beverage using the extract of green tea leaf, therefore the alcoholic beverage maintains green color, flavor, and taste of green tea and does not generate sediments for storage. CONSTITUTION: The method for manufacturing alcoholic beverage using the extract green tea leaf is characterized by the next steps of: i) eliminating smell from alcohol with activated carbon and making over 70% alcohol; ii) adding 0.05-0.15wt% of antioxidant to the alcohol; iii) adding 0.5-5.0wt% of green tea leaves and obtaining extracts from the mixture for 2-5 hours at 5-40 deg.C; iv) adding 0.05-0.3wt% of polyvinyl polypyrrolidone to the extracted alcohol, mixing the mixture at 0-20 deg.C for 5-20 minutes, and filtering other suspended solids.
Patent KR-20010046874-A (KR)
Inventor: JUNG GWANG UN
IPC: C08G73/10
Filed: 1999-11-16
Abstract: PURPOSE: The triarylphosphine oxide derivatives with substituent containing fluorine and producing methods thereof are provided, which are useful for producing polymers used in several reactions as intermediates. CONSTITUTION: The triarylphosphine oxide derivatives are represented by formula (1), in which R1 and R2 are individually alkyl substituted with fluorine; and X is hydrogen or amine. The compounds represented by formula (1a) are produced by reacting fluoroalkyl-disubstituted bromobenzene with diphenylphosphinic chloride in the mole ratio of 1:1 to 1:1.2 in the presence of an organic solvent and magnesium. The compounds represented by formula (1b) are produced by reacting fluoroalkyl-disubstituted bromobenzene with diphenylphosphinic chloride in the mole ratio of 1:1 to 1:1.2 in the presence of an organic solvent and magnesium and nitration reacting the compounds of formula (1a) in the presence of base. The compounds represented by formula (1c) are produced by hydrogenating the compounds of formula (1b) in an organic solvent in the presence of palladium catalysts.
Patent KR-20000007006-A (KR)
Inventor: KIM WON MAN
IPC: H04B1/38
Filed: 1999-11-12
Abstract: PURPOSE: A hand-free device is provided to previously prevent the traffic accident occurred when using a cellular phone. CONSTITUTION: A hand free device of a cellular phone using FM signal has; a modulating unit(40) having auto scan function for modulating the sound signal outputted from a cellular phone into FM signal; an amplifier(30); a transmitting unit(20) for transmitting the outputted signal into a wireless signal through an antenna(10); a microphone(60); the 1st amplifying unit(70) for amplifying the electric signal outputted from the microphone(60); the 2nd amplifying unit(80) for outputting into a cellular phone by performing a balance amplifying for uniformly maintaining the size of the signal outputted from the 1st amplifier(70); a power unit(50) for supplying power force into a device.
Patent KR-20010048202-A (KR)
Inventor: JUNG CHANG JIN
IPC: F28D1/00
Filed: 1999-11-25
Abstract: PURPOSE: A thermal storage system utilizing waste heat is provided to reduce heating cost and achieve a maximized heat exchange efficiency by allowing the waste heat and heat exchange medium to flow in the direction opposite to each other. CONSTITUTION: A system comprises a high temperature side thermal storage tank(10) and a low temperature side thermal storage tank(10A) each of which has a thermal storage member(11) made up of phase change material. A thermal storage pipe(20) is connected through the lower chambers of the thermal storage tanks so as to circulate heat medium heated by an external heat source and allow the thermal storage member to store heat. The thermal storage pipe has an inlet and outlet connected to a heat exchanger(30) for receiving waste heat and heating the thermal medium. The heat exchanger includes an air duct(31), an air blower(32) for blowing heated wind from the top toward the bottom of the air duct, a heat exchange tube mounted within the air duct and which is connected to the thermal storage pipe for heat exchange with the waste heat in the air duct, and a heat absorbing fin arranged around the heat exchange tube.
Patent KR-20010048814-A (KR)
Inventor: JI JONG U
IPC: F24F13/00
Filed: 1999-11-29
Abstract: PURPOSE: A fixing device of an LC(Liquid Crystal) panel is provided to enhance assembling productivity of a remote controller as well as to fix an LC panel and a PCB(Printed Circuit Board) stably without damage. CONSTITUTION: A fixing device of an LC panel includes: a front case(50) having plural operating buttons(51) and a display window(52); a rear case(80) having a battery inserting portion(81), coupled to the rear of the front case; a PCB(60) positioned between the front case and the rear case, for processing an operating signal by the operating buttons and for outputting a control signal through an output lamp(62); and an LC panel(70) mounted between the display window and the PCB to display operating of a remote controller. The LC panel is inserted into an LC mounting portion(55) of the front case. Then two inter-connectors(73) are fitted into both sides of the LC panel to connect elastic contact portions(71) each other. A flow preventing panel(75) is set at the rear of the LC panel, and the PCB is assembled to the front case through screws(65). Finally, the rear case is assembled to the front case.
Patent KR-20010049122-A (KR)
Inventor: LEE TAE YEOL
IPC: H01J9/42
Filed: 1999-11-30
Abstract: PURPOSE: A device of measuring the gap between the shadow mask and the CRT panel and a measuring method thereof are provided to shorten the work time, to increase the reliability and to reduce the manufacturing cost of a CRT thereby. CONSTITUTION: In the device of measuring the gap between the shadow mask and the CRT panel, a plate(34) is formed to support the panel-mask assembly body(10) to the front of the panel(12) look upward. A focusing unit(36a) includes a lens for receiving or sending light(40) used for measuring each focus distance on certain parts of the panel(12) through beam projection method. The plate(34) and the focusing unit(36a) are controlled by a controller(38a). The controller(38a) calculates the gap between the shadow mask(16) and the inside of the panel(12) using the focus distance measured by the focusing unit(36a) and displays the result on the display.
Patent KR-20010053729-A (KR)
Inventor: JUNG YONG TAE
IPC: H04W24/04
Filed: 1999-12-01
Abstract: PURPOSE: A signal recording method in a data service in a mobile communication area is provided to facilitate debugging by simply checking an error case type without changing a source for debugging for a specific error case in its occurrence among many calls by sequentially storing every signal generated from one call reference by taking a call reference value as a key. CONSTITUTION: An FRI block registers a routine defined to be operable in a user program itself in an OS and a trigger which is able to operate the trigger, that is, substantially, a 'trace' command 'next' commands(S1). It is determined whether the input command is a registered one(S2). If the inputted command is a registered one, it is determine whether the instruction word is 'trace' or 'next' instruction word(S3). If the instruction word is 'trace', it is checked whether the link number is a normal value(S4). If the link number is normal, it is checked whether a trace flag is ON or OFF(S5). If the flag is OFF, the flag is turned ON and at the same time a buffer is initialized to store an error case(S6). If the flag is ON, it is regarded as an OFF instruction word of a trace function so that an error occurrence case of a corresponding link is outputted and the flag is turned OFF(S6') If the instruction word is 'next'(S3), it is checked whether an error case has been completely outputted(S4-1). If the error case has not been completely outputted, the error case is outputted by every one screen(S5-1). If an instruction word which has not been registered is inputted(S2), when an IPC and an IWF signal is received, they are analyzed(S3-2). If the trace flag is ON(S4-2), a name and a major parameter of the signal being currently processed are stored(S5-2).
Patent KR-20010054202-A (KR)
Inventor: KIM SEONG DONG
IPC: H04Q1/30
Filed: 1999-12-03
Abstract: PURPOSE: An apparatus and a method for selecting a reference clock for generation of a network synchronous reference clock in a mobile communication exchanger are provided to supply a reference clock for generation of a network synchronous reference clock to a network synchronous block by automatically performing a switching system to a different E1 framer when an error occurs in an E1 framer. CONSTITUTION: A plurality of trunk line interfacing units(100) receive a voice and character data from a different switching center(1), extract a reference clock for generation of a network synchronous reference clock from the voice and character data, and transmit it to a network synchronous block(400). A plurality of E1 framers(101) receives the voice and character data from the switching center(1) through a backboard(300), extracts a reference clock for generation of a network synchronous reference clock from the voice and character data, and mounted between mutually different exchangers to interface them. A controller(102) receives a reference clock select control signal from an upper control block(200), it outputs a reference clock select signal corresponding to the reference clock select control signal to a reference clock selector(103). The reference clock selector(103) receives the reference clock select signal from the controller(102), and selects an E1 framer(101) for supplying a reference clock according to the reference clock select signal. The upper control block(200) selects a plurality of E1 framers(101) to be used for reference clock supply , and outputs it. A backboard(300) connects the switching center(1), the network synchronous block(400) and the plurality of trunk link interfacing units(100). The network synchronous block(400) receives the reference clock for generation of the network synchronous reference clock outputted from the reference clock selector(103), generates a network synchronous reference clock by using the reference clock, and supplies it to each block mounted in the exchanger.
Patent KR-20000047941-A (KR)
Inventor: TSUCHIMOTO YOSHIHIRO
IPC: B24B9/12
Filed: 1999-12-06
Abstract: PURPOSE: A method for polishing seal edge of glass funnel and polishing apparatus therefor is provided to polish a seal edge of a glass funnel more preferably and efficiently. CONSTITUTION: In a method for polishing seal edge of glass funnel and polishing apparatus therefor, the method, in which a seal edge of a glass funnel and a polishing wheel are pressed each other and the seal edge is polished by the polishing wheel, comprises a step for moving the glass funnel and the polishing wheel by a predetermined distance in a relative approaching direction by a moving unit being numerically controlled and then quantitatively polishing the seal edge of the glass funnel and a step for relatively pressing the seal edge and the polishing wheel at a predetermined pressure by press force of a press unit after finishing the quantitative polishing and then polishing the seal edge under a constant pressure by the polishing wheel.
Patent KR-20010054467-A (KR)
Title: Removal Method of Adhesive Tape from Transportation Bar
Inventor: KIM SAM SU
IPC: B65G35/00
Filed: 1999-12-06
Abstract: PURPOSE: An adhesive tape eliminating method from a transportation bar is provided to completely eliminate adhesive tapes without damaging the surface of the transportation bar. CONSTITUTION: An arm(33) is inserted from the opposite surface of a transportation bar(31) to a surface having an adhesive tape(32) through an arm inlet(35). Then, the end of the adhesive tape is separated from the transportation bar and the arm is returned for separating the end part of the adhesive tape from the transportation bar. The end part of the tape is attached onto a tape eliminating roll(34) for rotating the roll. Herein, the adhesive surface of the tape is located on the outer surface of the roll by the previous operation. Thus, the adhesive tape is conveniently removed through inserting the arm. When using the roll for the first time, the roll is surrounded by the adhesive tape manually for conveniently eliminating the tape.
Patent KR-20010054554-A (KR)
Inventor: CHOI JU TAE
IPC: B21B1/46
Filed: 1999-12-07
Abstract: PURPOSE: A method for processing surface of a casting roll of a twin roll type thin plate casting machine is provided to more easily contact with molten steel by forming a hemispherical dimple, which is eccentric to the surface of a casting roll. CONSTITUTION: A method for processing surface of a casting roll of the twin roll type thin plate casting machine includes the steps of projecting a shot ball to the surface of the casting roll at a projection angle of 30¯60°and forming a plurality of eccentric and hemispherical dimples to effectively induce the contact between molten steel and the dimples and prevent penetration of molten steel. A diameter of the shot ball is about 0.5¯3mm and a projection pressure of the shot ball is about 5¯15bar to effectively prevent crack of cast segment.
Patent KR-20010055059-A (KR)
Inventor: LIM HUI DO
IPC: H04M1/10
Filed: 1999-12-09
Abstract: PURPOSE: A hole switch in a wireless terminal is provided to adjust the sensitivity of a switch, without the necessity of changing magnets or adjusting the distance between a magnet and a magnetic substance, in case that the model of a switch in a folder-type or flip-type terminal is changed. CONSTITUTION: A magnet(110) generates a uniform magnetic field as the distance with a hole sensor(120) gets changed by the opening and shutting of a flip. The hole sensor(120) generates a voltage according to the intensity of the magnetic field inputted in proportion to the distance with the magnet(110). The voltage generated from the hole sensor(120) is inputted to a variable amplifier(100). The variable amplifier(100) amplifies and outputs the voltage generated from the hole sensor(120). In this case, the amplification ratio is adjusted by a control signal inputted to the variable amplifier(100). The signal outputted from the variable amplifier(100) is inputted to a comparator(130). The comparator(130) compares the signal outputted from the variable amplifier(100) with a reference voltage and generates a low or high signal.
Patent KR-20010056735-A (KR)
Inventor: KIM IN CHEOL
IPC: H04L12/433
Filed: 1999-12-16
Abstract: PURPOSE: A cell multiplexing and demultiplexing system is provided to minimize data loss when switched owing to node and path abnormality by controlling a data path to be duplicated. CONSTITUTION: A port management assembly(40) compares VPI and VCI values among a header of cell data received from a cell switching module(30) to confirm cell multiplexing/demultiplexing assemblies(50-1 to 50-n) to be transferred. The port management assembly(40) transfers the received cell data to a confirmed cell multiplexing/demultiplexing assembly through an analogous UTOPIA-2 bus. The port management assembly(40) transfers data received from each cell multiplexing/demultiplexing assembly to the cell switching module(30) through the UTOPIA-2 bus. Each cell multiplexing/demultiplexing assembly matches four pairs of processors(60-1 to 60-nm) each processing data.