baber/WOPTO huggingface dataset:
Patent KR-20010004985-A (KR)
Inventor: KONG YEONG TAEK
IPC: H01L27/115
Filed: 1999-06-30
Abstract: PURPOSE: A gate formation method in flash memory device is provided to be capable of improving reliability of devices, by solving the problem of polysilicon residue generated upon etch process for forming a gate pattern. CONSTITUTION: A gate oxide film(12), the first doped polysilicon film(13), a dielectric film(14), the second doped polysilicon film(15), the third undoped polysilicon film(16), a tungsten silicide film(17) and an anti-reflection film(18) are sequentially formed on a semiconductor substrate(11). The anti-reflection film, the tungsten silicide film, the third undoped polysilicon film and the second doped polysilicon film are then patterned by lithography and etching process, thus forming a control gate. Next, the dielectric film and the first polysilicon film are patterned by self-aligned etch process using the patterned anti-reflection film as a mask, thus forming a floating gate.
Patent KR-20010008788-A (KR)
Inventor: KWAK GEUN HO
IPC: C08K5/59
Filed: 1999-07-03
Abstract: PURPOSE: A curing system by introducing a curing agent of a hexafluoroantimonate-containing cationic latent catalyst type which has such characteristics as to suppress the volume reduction of the epoxy resin or as to induce the volume expansion in the step of curing an epoxy resin into the system is provided, which gives a molded article excellent in dimensional stability and free from a residual thermal stress. CONSTITUTION: The curing system containing a hexafluoroantimonate-containing cationic latent catalyst type curing agent having a characteristic which does not generate volume reduction or causes volume expansion without adding special fillers or additives expansion in the process of curing epoxy resin shows high glass transition temperature and excellent mechanical physical properties as compared to conventional expansible curing systems and excellent dimensional stability to water and a solvent.
Patent KR-20000017094-A (KR)
Inventor: POPALAR BURNAD
IPC: D05B37/02
Filed: 1999-08-05
Abstract: PURPOSE: A cutting device is provided to save the dependence on a cut block spare part and also the cost to the spare part and to easily remove or insert the cut block. CONSTITUTION: The cutting device is composed of two tool components(8, 62). The two components are separated from each other in an opening position while they can be butt with each other in an action position. Herein, one(8) of the tool components has one block(32), and the other tool component(62) has a cutting corner(63). In addition, the block formed with a line is accepted into a slit and is fixed with a clamping device, which generates the slit opening hole for the button hole in a processing piece(65).
Patent KR-20010026244-A (KR)
Inventor: KIM CHEOL GAP
IPC: H04W8/24
Filed: 1999-09-03
Abstract: PURPOSE: A method for reducing a downloading time of a database of a CDMA(Code Division Multiple Access) cellular phone network exchange system is provided so that a database backup time can be reduced by excluding unnecessary data from loading objects, when replacing a system S/W package or re-driving a processor. CONSTITUTION: A catalog formation unit(120) embodies a schema design process, thus performing a schema defining process and a catalog forming process. The schema defining process adds new DDL for defining ID of relation to be excluded in the loading process. The catalog forming process builds information defined as new DDL by a tool for generating a catalog in a loading file of the catalog. A PLD formation unit(130) of a host system(100) generates PLD varied according to a loading reduction function, by using a tool for generating the PLD. A DBMS information region of the PLD is built to perform the loading reduction function according to UNLOAD_INFORM file of the catalog generated by the catalog formation unit(120). The PLD generated in the PLD formation unit(130) of the host system(100) is recorded in CT or DAT in an I/O unit(140) of the host system(100), and dumped in a system disc(230) through an I/O unit(220) of a CDMA cellular phone network exchange system(200). A loader(250) loads the PLD stored in the system disc(230) to a main memory(240). A DBMS(260) resets the excluded data. Accordingly, the data backup time corresponding to the excluded data can be reduced.
Patent KR-20010027830-A (KR)
Inventor: CHOI GWANG HUI
IPC: G01N27/82
Filed: 1999-09-16
Abstract: PURPOSE: A detecting method for the defect of a billet is provided to enhance the whiteness of magnetic powder by adding glass fiber fine powder to the magnetic powder for detecting the defects of the billet well. CONSTITUTION: Glass fiber fine powder is added to magnetic powder for enhancing the whiteness of the magnetic powder, then the defects of a billet are detected well. Generally, the glass powder diffusely reflects light for good recognition. Thus, the defects of the billet are easily removed under artificial illumination by the glass fiber fine powder. Herein, the particle size of the glass fiber fine powder is limited in 10 to 30 micrometers and mixed with the magnetic powder in 5 to 20wt%.
Patent KR-20010029083-A (KR)
Inventor: LIM BONG SUN
IPC: H01L21/00
Filed: 1999-09-29
Abstract: PURPOSE: A switching system of a slit valve is provided to make a door plate precisely operate by an operation of a well-balanced connection part when an actuator operates, and to perform a sealing through a sealing material by making the door plate reach a chamber wall. CONSTITUTION: Actuators(11) is installed on both sides of a switching system of a slit valve. Both ends of a cylinder(25) are connected to the actuator to reciprocate by the operation of the actuator. Connection parts(23) are connected and fixed to the cylinder. A door plate(22) is connected to the cylinder through the connection parts. The connection parts are symmetrically installed in a plurality of locations.
Patent KR-20000047518-A (KR)
Inventor: TANAKA YOSHINOBU
IPC: G07D5/02
Filed: 1999-10-08
Abstract: PURPOSE: A coin rolling typed selector is provided to vertically stick the entire selector without tilting to compact a size of the entire selector as much as possible. CONSTITUTION: In turning on a solenoid, a spring piece(263) is rotated by centering a pivot shaft(262). The solenoid is turned off when a using device of a corresponding selector has a trouble. In this case, it is canceled although a coin inserted in an opening(221) is real. The solenoid is positioned near a roller(253) and a controller of a rod is changed. The solenoid is removed and a near body frame(225), an arm(251) or a metal plate is removed at the same time. Thereby, a collector becomes a half size.
Patent KR-20010036881-A (KR)
Inventor: PARK JONG WON
IPC: H01J29/46
Filed: 1999-10-12
Abstract: PURPOSE: A brown tube is provided to prevent discharge phenomenon by making a resistor be contact with a position exactly, and to adjust a resistance value by making the resistor be varied. CONSTITUTION: A main condense electrode consists of a plurality of condense electrodes(35,35a) and one anode electrode(37), and an anode cap applies a high voltage to the anode electrode(37). A resistor(100) is coated continuing a graphite part(42) in a neck. A contact lead line(110) has one end fixed to the condense electrodes and other portion except for the other end grounded through the resistor(100), in order to apply a drop voltage to either one of the condense electrodes(35,35a) when the high voltage applied to the resistor(100) drops. A ground lead line(120) is connected to the condense electrodes and a step pin(41) so as to form a closed loop.
Patent KR-20010037563-A (KR)
Inventor: LIM GEUN SU
IPC: G09G3/292
Filed: 1999-10-18
Abstract: PURPOSE: A plasma display panel and a driving method thereof are provided to improve the brightness of a screen through a high speed addressing. CONSTITUTION: Data electrode lines(X1-Xm) and auxiliary electrode lines(A1-Am) are formed in a column direction of a panel, and scan electrode lines(Y1-Yn) and discharge sustain electrode lines(Z1-Zn) are formed in a row direction of the panel. And, the line width of the data electrode line is the same as that of the auxiliary electrode line. A discharge cell(74) is located at a position where the data electrode lines and the auxiliary electrode lines cross the scan electrode lines and the discharge sustain electrodes. The data electrode lines are driven on an upper part of the panel, and the auxiliary electrode lines are driven on a lower part of the panel.
Patent KR-20010038330-A (KR)
Inventor: NOH MIN SEOP
IPC: D06N3/14
Filed: 1999-10-25
Abstract: PURPOSE: A process for preparing polyurethane artificial leather by sewing no artificial leather used for base material during the production of shoes is provided, which can reduce labor and the cost of production, and makes it possible to improve productivity by removing a sewing process. CONSTITUTION: This polyurethane artificial leather is obtained by the following procedure: a wet type polyurethane film is coated on a sheet by using a thermoplastic or thermosetting sheet(1) such as polyvinyl chloride, thermoplastic polyurethane, urethane thermo rubber and ethylene vinyl acetate as base material or dry type polyurethane mixed liquid is coated on mold release paper; an adhesive polyurethane mixed liquid is coated on the dry type polyurethane mixed liquid; the thermoplastic or thermosetting sheet(1) is adhered thereto; and then the mold release paper is peeled.
Patent KR-20000035307-A (KR)
Inventor: WATABE YUTAKA
IPC: C03B37/012
Filed: 1999-11-08
Abstract: PURPOSE: A method for producing a favorable optical fiber preform at a low cost, which comprises favorably changing from a gas supply state to a reduced pressure state, and thereby acquiring a long effective length of the quartz glass tube is provided. CONSTITUTION: The above problems are solved by a method for producing an optical fiber preform comprising inserting a core glass rod for use in the optical fiber preform(1) into the quartz glass tube for the optical fiber preform(2) and then welding them in a heating furnace for melt welding them together into a monolithic product, characterized in that the melting is started in such a state that the lower open edge of said quartz glass tube is placed inside the heating furnace and a gas is supplied from the upper edge of the tube, and after the lower edge portion of the quartz glass tube is drawn out from said heating furnace by melt deformation and stretching by the gravitational force, the gas supply is cut off and the pressure is reduced.
Patent KR-20010045891-A (KR)
Inventor: PARK JONG SUL
IPC: F16H37/04
Filed: 1999-11-09
Abstract: PURPOSE: A power train has compact structure and improves gearshift quality by using a one way clutch on shifting gears as 1-2, 2-3 and 4-2. CONSTITUTION: A power train comprises a torque converter(T), a main gearshift portion, an auxiliary gearshift portion, a power transmitting device, a brake device, a clutch device and an asynchronous gearshift device. The torque converter(T) converts the torque of the rotary power outputted from an engine(E) to output to an input shaft(5). The main gearshift portion is composed on a first shaft(23) placed on the same axis with the input shaft(23) to be selectively connected with the input shaft(23) to receive rotary power. The auxiliary gearshift portion is placed on a second shaft(25) placed parallel to the first shaft(23) with a certain gap and connected with the main gearshift portion by two power transmitting lines to transmit power to an output shaft(31). The power transmitting device is composed between the auxiliary gearshift portion and the main gearshift portion and transmits the rotary power of the main gearshift portion to the auxiliary gearshift portion. The brake device is composed between the first shaft and the second shaft and a transmission housing(37) to make one of operational elements of the main gearshift portion and the auxiliary gearshift portion respectively as reactional elements. The clutch device is composed between the two operational elements of the main gearshift portion and the input shaft(5) and selectively transmits power. The asynchronous gearshift device is composed between the main gearshift portion and the auxiliary gearshift portion and the transmission housing(37) and operates on gearshifts of 1-2, 2-3 and 4-2.
Patent KR-20010046280-A (KR)
Inventor: KIM YONG BAE
IPC: B60R13/04
Filed: 1999-11-11
Abstract: PURPOSE: A side protector of an automobile inserting a protection moulding member is provided to maintain initial delivery state by preventing an end part of the protection moulding member from being separated or getting loose, thereby improving the external appearance. CONSTITUTION: A side protector(10) of an automobile inserting a protection moulding member(11) includes an external panel finishing the outside of a side surface of the automobile, the side protector attached to the center part of the external panel, and forming a center groove and a hole(13) at the groove end part, so that an end part of the protection moulding member is inserted into the hole and joined with the side protector to be secured at the side protector groove.
Patent KR-20010046765-A (KR)
Inventor: KO SE JONG
IPC: H01L21/68
Filed: 1999-11-15
Abstract: PURPOSE: A robot finger assembly is to reduce a manufacturing cost and damage of a wafer by accomplishing a reverse process without a separate reversing device and to shorten a wafer processing time and increase productivity. CONSTITUTION: A robot finger assembly(1) provided at a tip of an arm portion of a robot comprises the first case(7) for receiving and supporting a reverse motor(5) which acts as a driving source when a wafer(W) is reversed, the second case(11) for receiving and supporting a clamping motor(9) which acts as a driving source when holding the wafer, and a clamping unit(13) for fixing or unfixing the wafer by the clamping motor. The clamping motor drives the clamping unit to be moved along inside of the second case. The clamping unit comprises a supporting member(15), a holder(11c) and a pusher(13a) to push the wafer on the supporting member to the holder. The supporting member extends to penetrate the second case and its surface is arranged to be lower than the height of the recess to insert the wafer thereto. A recess of the holder is formed above or below the supporting member to hold the wafer regardless of the state of the supporting member.
Patent KR-20010046788-A (KR)
Inventor: JU JAE DONG
IPC: H01L21/68
Filed: 1999-11-15
Abstract: PURPOSE: A method for controlling the transfer of a semiconductor wafer is provided to control a SEMICONDUCTOR wafer transferred to a chemical bath in order to minimize fine water drops. CONSTITUTION: A method for controlling the transfer of a semiconductor wafer consists of the following steps; descending the semiconductor wafer on top of a chemical bath that is filled with the chemicals and stopping in the position adjacent to the surface of the chemicals; descending the semiconductor wafer of the position adjacent to the surface of the chemicals and stopping in the position soaked above the chemicals; descending the semiconductor wafer of the position soaked above the chemicals and stopping in the position entirely soaked in the chemicals; descending the semiconductor wafer of the position entirely soaked in the chemicals and stopping in the predetermined stop position.
Patent KR-20010047594-A (KR)
Inventor: LEE DU SEOP
IPC: G11C7/06
Filed: 1999-11-22
Abstract: PURPOSE: A sense amplifier circuit of a semiconductor memory device is provided to achieve large integration of the semiconductor memory. CONSTITUTION: The circuit includes a differential amplifier(100) arranged between the first and the second memory cells(110,120), the first line(L1) connected to one input terminal(IN1) of the differential amplifier, the second line(L2) connected to another input terminal(IN2) of the differential amplifier, a dummy memory cell(130), NMOS transistors(MN101,MN102,MN103,MN104) and an exclusive NOR gate(140). The first memory cell is connected with the first line selectively through the NMOS transistor(MN101), and the second memory cell is connected with the second line selectively through the NMOS transistor(MN102). The dummy memory cell is connected with the first data line(DL1) selectively through the NMOS transistor(MN103), and the dummy memory cell is connected with the second data line(DL2) selectively through the NMOS transistor(MN104). Here, capacitors(CBL1,CBL2) are capacitor components of the first and the second bit lines(BL1,BL2), and capacitors(CDL1,CDL2) are capacitor components of the first and the second data lines respectively.
Patent KR-20000047905-A (KR)
Title: Thin film magnetic head
Inventor: HAYAKAWA YASUO
IPC: G11B5/31
Filed: 1999-12-03
Abstract: PURPOSE: A thin film magnetic head is provided to emit heat owing to normal detected currents efficiently, to prevent thermal diffusion owing to temperature rising of an MR(magnetic resist) element layer, damage by a fire and output reduction and bark-hausen noise. CONSTITUTION: In a thin film magnetic head, a magnetic resistance effect element layer(45) is formed through a lower gap layer on a lower shield layer(53). An electrode layer(48) gives detection current to the magnetic resistance effect element layer. An upper shield layer(57) is formed through an upper gap layer(56) on the electrode layer. At least one of upper/lower gap layers has a high thermal conductive insulating layer containing at least Al, N, X and O. The X is one or more than kinds of element selected from Si, B, Ge and C. The gap layer having the insulating layer is excellent in corrosion resistance to a strong alkali solution and water and has small film stress to provide reliable products without exfoliating when/after forming an MR head.
Patent KR-20000012684-A (KR)
Inventor: WANG JIN CHUL
IPC: B65G23/44
Filed: 1999-12-18
Abstract: PURPOSE: A jig is provided to easily exchange a roller by releasing the belt tension applied on the belt bucket conveyer. CONSTITUTION: The device for releasing the belt tension includes the components such as:a draw bar(13) inserted to be horizontally laid in a belt(4); a rotary screw(15) connected with the draw bar(13), installed on a fixed structure(14) and extending the belt(4) according to the rotational volume; a stopper(16) installed on the end part of the rotary screw(15) to prevent the rotary screw(15) inserted into the draw bar(13) from separating; and a position control nut(17) installing the rotary screw(15) to the fixed structure(14) by making a screw thread corresponding to the rotary screw(15) connect the rotary screw(15) through the connecting groove.
Patent KR-20010057308-A (KR)
Inventor: KIM MIN JEONG
IPC: A62B21/00
Filed: 1999-12-21
Abstract: PURPOSE: Provided is a DC oxygen concentrator for vehicles which connects two combination beds in parallel to supply oxygen smoothly when one bed is broken so that it secures safety and trust. CONSTITUTION: In the DC oxygen concentrator for vehicles which inhales air, separates oxygen and supplies it through an oxygen vent, the DC oxygen concentrator comprises the parts of: a pair of oxygen concentration parts which adsorb nitrogen from inhaled air, separates oxygen and concentrates; a main storage tank(40) which stores oxygen supplied from the oxygen concentration part and supplies through the oxygen vent as necessary; a pressure sensor(41) which measures oxygen pressure within the main storage tank; and a main controller(30) which receives from the pressure sensor and controls the oxygen concentration part to supply oxygen when the storage volume of oxygen in the main storage tank is not enough.
Patent KR-20010061452-A (KR)
Inventor: KWON O DEOK
IPC: C21C5/56
Filed: 1999-12-28
Abstract: PURPOSE: A process for preparing high purity molten iron by sending a direct current between a melt flux layer and the lower part of a furnace while melting and stirring molten iron is provided. whereby, high purity molten iron is obtained by increasing dephosphorization and/or desulfurization speed. CONSTITUTION: The process for the preparation of the titled molten iron using direct current electric field comprises the steps of: melting and stirring molten iron by electronic stirring; pouring flux into the upper part of molten iron with conventional methods; sending a direct current between a melt flux layer and the lower part of a furnace while maintaining resistance of 7 ohm or less.
Patent KR-20010061573-A (KR)
Inventor: BYUN SEON MIN
IPC: B22D41/58
Filed: 1999-12-28
Abstract: PURPOSE: An apparatus for vacuum oxygen decarburizing chromium contained molten steel and a vacuum oxygen decarburization method using the same are provided which enable optimum blowing by predicting a concentration of carbon in molten steel when refining the chromium contained molten steel such as stainless steel in a vacuum oxygen decarburizing container. CONSTITUTION: The apparatus comprises a hardware part (10) consisting of a ladle (12) carrying molten steel (11), a lance (13) blowing oxygen in the air into the ladle, a flue gas analyzer (14) measuring a concentration of carbon oxides in the flue gas in a certain cycle, and a flue gas flow meter (16) measuring a flow rate of the flue gas passing through an exhaust pipe in the same cycle as the flue gas analyzer (14); and a software part consisting of a carbon concentration calculation part (21) calculating a carbon concentration from output signals outputted from the flue gas analyzer (14) and flue gas flow meter (16), a decarburizing rate calculation part (22) calculating a decarburizing rate from output signals outputted from the flue gas analyzer (14), flue gas flow meter (16) and lance (13), a decarburizing ratio calculation part (23) calculating a decarburizing ratio from output signals outputted from the carbon concentration calculation part (21), and an oxygen blowing control part (24) calculating refining time and controlling oxygen blowing using output signals outputted from the decarburizing rate calculation part (22) and decarburizing ratio calculation part (23).
Patent KR-20010066169-A (KR)
Inventor: KIM YEONG U
IPC: H04L12/26
Filed: 1999-12-31
Abstract: PURPOSE: An apparatus for measuring IPC(Inter Processor Communication) traffic in an exchange is provided to measure IPC traffic by counting the number of ATM cells using a hardware device. CONSTITUTION: An apparatus for measuring IPC traffic in an exchange consists of the first and second AND operation circuits(2,6), the first and second counters(4,8), and a NOT circuit(10). The first AND operation circuit(2) executes AND operation for a cell start signal and the reference clock provided from the NOT circuit(10) and transmits a result to the clock terminal(clk) of the first counter(4). The first counter(4), receiving the output of the first AND operation circuit(2), counts cell start signals by the reference signal. The second AND operation circuit(6) executes AND operation for the output of the NOT circuit(10) and a clock signal having a frequency of 60Hz and outputs a result to the clock terminal(clk) of the second counter(8). The second counter(8) counts the output of the second AND operation circuit(6) and outputs a clock signal to the NOT circuit through its output terminal(/Q) every second. The NOT circuit(10) inverts the output of the second counter(8) and provides reference clocks to the first AND operation circuit(2), the second AND operation circuits(6) and a processor.
Patent KR-20000062425-A (KR)
Title: 습윤 제제
IPC: A61K31/195
Filed: 1998-01-02
Abstract: 본 발명은 신체 점막의 건조로 인해 야기된 징후를 완화시키는 제제에 관한 것이다.  제제는 트리메틸글리신을 활성 제제로서 함유한다.  본 발명은 또한 신체 보호 및 위생을 목적으로 하는 상이한 제제내에 건조한 점막의 징후를 완화시키는 제제로서 트리메틸글리신의 용도 및 신체의 점막에서 나타나는 건조로 인해 야기된 징후를 완화시키는 방법에 관한 것이다.