baber/WOPTO huggingface dataset:
Patent KR-20010005229-A (KR)
Inventor: KIM GEUN TAE
IPC: H01L21/3205
Filed: 1999-06-30
Abstract: PURPOSE: A method for forming a contact of a semiconductor device is provided to restrain the generation of a poly stringer by forming a polysilicon on an upper portion of the hard mask. CONSTITUTION: A word line is formed on an upper portion of a silicon substrate(31) by accumulating the first polysilicon(35), a hard mask, and the second polysilicon. A spacer nitride(42) is formed at a sidewall of the word line. An interlayer dielectric is formed on the whole surface. A contact hole is formed by performing a self-aligned contact etching process. The third polysilicon is formed to bury the contact hole. A plug poly(51) and an interlayer dielectric are formed between the word lines by flattening the third polysilicon, the interlayer dielectric, and the second polysilicon. The plug poly(51) is formed on an active region and the interlayer dielectric is formed on an isolation region.
Patent KR-20010010041-A (KR)
Inventor: MUN HONG BAE
IPC: H01L21/762
Filed: 1999-07-15
Abstract: PURPOSE: A method for isolating a semiconductor device having a selective epitaxial growth layer is provided to prevent an insulating layer from being peeled off or to prevent a void from being generated between the insulating layer and a silicon substrate, by making a sidewall of an opening have a positive incline in etching the insulating layer to reduce the stress applied by a selectively epitaxial growth to the insulating layer. CONSTITUTION: An insulating layer(12) for isolation is formed on a silicon substrate(10). The insulating layer for isolation is selectively etched to make a sidewall have a predetermined positive incline angle, and an opening is formed to expose the surface of the silicon substrate. The silicon exposed to the inside of the opening is used as a seed and selectively epitaxial-grown to be lower than the insulating layer. A sacrificial oxide layer is formed on the selectively epitaxial-grown silicon. The sacrificial oxide layer is eliminated.
Patent KR-20010011553-A (KR)
Inventor: PARK DAE GYU
IPC: H01L21/24
Filed: 1999-07-29
Abstract: PURPOSE: A gate electrode forming method is to reduce a specific resistivity by depositing an amorphous titanium silicide film at a low temperature and a low velocity and thus suppressing generation of voids in a crystalline titanium silicide film formed through a rapid thermal process of the amorphous titanium silicide film. CONSTITUTION: A method for forming a gate electrode of a semiconductor device comprises the steps of: sequentially depositing a gate oxidation film(2) and a doped polysilicon film(3) on a semiconductor substrate(1); depositing an amorphous titanium silicide film on the polysilicon film at a temperature of minus 100 deg.C to a normal temperature and at a velocity of 1 to 20 angstrom per second; rapidly thermal processing an entire resultant of the substrate for 10 to 60 minutes at a temperature of 750 to 900 deg.C which is raised in a ramping rate of 50 to 150 deg.C per second and forming the amorphous titanium silicide film into a crystalline titanium silicide film(5); and depositing a protecting film(6) on the crystalline titanium silicide film and patterning each of the previous films.
Patent KR-20010018064-A (KR)
Inventor: KANG DONG GYU
IPC: G10L13/00
Filed: 1999-08-17
Abstract: PURPOSE: An apparatus and a method for changing text/speech using phoneme environment and mute section are provided to improve clearness and nature of compound sound by using mute period length information for selecting the compound unit. CONSTITUTION: The apparatus for changing text/speech using phoneme environment and mute section includes following units. A language processing unit(21) extracts phoneme stream and sentence structure information from the text being inputted. A rhythm processing unit(22) receives the phoneme stream and sentence structure information and estimates a rhythm control parameter value by using a rule and rhythm table. A compound unit database(24) stores sound pieces corresponding to the searching information of compound unit. A signal processing unit(23) produces a compound unit searching information, selects the stored candidate sound pieces and then produces a desired compound sound by compounding the selected sound pieces.
Patent KR-20010018348-A (KR)
Title: Wheelchair lift apparatus
Inventor: PARK SEONG GWON
IPC: B66F7/00
Filed: 1999-08-19
Abstract: PURPOSE: A wheelchair lifting device is provided to move a wheelchair, which a handicapped person gets on, to the desired height by operating a switch of an operating panel. CONSTITUTION: A wheelchair lifting device includes a supporting main body fixed with the upper ends of base rests(600) and having an installation space part formed in the inside with an opened front part; a plurality of guide rails arranged and fixed in the inside surface horizontally; a lifting rest(300) coupled with the guide rails to be feedable up and down, and loading a wheelchair; a lifting element lifting the lifting rest up and down; and a control element controlling the lifting element.
Patent KR-20010019044-A (KR)
Inventor: AN DONG SOO
IPC: A01M7/00
Filed: 1999-08-24
Abstract: PURPOSE: A multipurpose apparatus for sprinkling chemicals is provided to apply it to various agricultural implements in order to easily spray chemicals, to simply and freely release and wind long hose and to carry agricultural materials such as seed plot, compost or fertilizer. CONSTITUTION: A multipurpose apparatus for spraying agricultural chemicals is composed of: a loading box; a top link connection part and right and left lower link connection parts which connect a top link and right and left lower links together; a driving pulley; a sprayer having a first driven pulley; the first tension control part; a shaft; a hose winding unit; the second tension control part; and a drug container.
Patent KR-20010027630-A (KR)
Inventor: KIM YONG CHUL
IPC: C09J1/00
Filed: 1999-09-10
Abstract: PURPOSE: A method for preparing adhesive composition useful in construction of floor is provided to produce improved adhesive composition having effect of far-infrared radiation and humidity control, and adsorption of formalin smell by replacing all inorganic fillers with loess in the composition. CONSTITUTION: A preparation method of adhesive composition containing loess is to produce the composition comprising a primary material composed of 45 weight part of loess powder having a particle size of 10-300mesh and 50 weight part of bisphenol An epoxy resin, and a curing agent composed of 50 weight part of loess powder having another particle size of 200mesh and 40 weight part of polyamide amine resin. The composition is featured by substituting calcium carbonate as inorganic filler in general adhesive with loess in order to maximize far-infrared radiation by using heat generated from a Korean floor heater so-called ondol.
Patent KR-20010027885-A (KR)
Inventor: KWAK HO YEONG
IPC: H05K7/20
Filed: 1999-09-16
Abstract: PURPOSE: A multi chip module(MCM) cooling device and its cooling method are provided to decrease the difference temperature between the upper and the lower of MCM by increasing the heat radiating area, and to maintain the MCM surface temperature under the 55 °C by forming the fins and a fluid passage over the cooling plate. CONSTITUTION: The multi chip module(3) cooling device comprises a refrigerant fluid passage(1) formed with natural circulation loop structure, a cooling device(11) for absorbing the radiated heat from the MCM, a condensational apparatus(22) for condensing the vapor. The cooling device has a refrigerant fluid channel and a plurality of fins to increase the heat radiating area. The condensational apparatus keeps refrigerant in storage groove for a moment and a cooling water groove under the condensing surface. The method includes steps of injecting the refrigerant into the refrigerant fluid passage via condensational refrigerant fluid passage, absorbing the radiating heat by the circulating refrigerant and fins, emitting the vaporized refrigerant by heat siphon effect, keeping the circulating refrigerant vapor in the storage groove within the condensational apparatus, and emitting the condensed refrigerant vapor to the condensational refrigerant channel by using the gravity.
Patent KR-20010020082-A (KR)
Inventor: JUNG BYEONG SEON
Filed: 1999-09-22
Abstract: PURPOSE: An automatic report and approval method of financial transaction is provided to prevent an illegal financial transaction by automatically reporting the financial transaction and settlement approval to a user. CONSTITUTION: A transaction confirmation system receives information of a financial transaction from a financial company and stores the information in a memory, after reception of a request for the financial transaction from a customer(ST100,ST110,ST120). A processor of the system reads the information of the customer's terminal from data base based on the information stored in the memory(ST130). A transmitter part of the system connects communication network to the terminal based on the terminal information and transmits present financial transaction information to the terminal(ST140, ST150). If the customer requests stoppage of the transaction, the system transmits information of a transaction stoppage(ST200,ST210). If the customer transmits information of a transaction approval, the system validates the information base on the information stored in the data base(ST160,ST170,ST180). The financial company transmits information of a transaction approval to the terminal(ST190) or information of an illegal financial transaction(ST210) according to the result of validation information received from the system.
Patent KR-20010028831-A (KR)
Title: a grinder for frut and vegetables
Inventor: HAN MU MAN
IPC: A23N1/00
Filed: 1999-09-27
Abstract: PURPOSE: A combination juicer and pulverizer whose gear stick connected to rotating blade pulverize vegetable, fruit, and cereal regardless of water content and which can separate skin and kernel if cereal is provided. CONSTITUTION: A combination juicer and pulverizer is composed of the following parts of: a fixed body equiped with connecting cylinder(21) and supported by a supporter(2) that has a discharging incline plate, and a discharging hole(20-1) inserted in and out of a discharging pipe(4) and a rotating axis(25) in the middle part; the connecting cylinder(21) that has a pulverizing device(11) fixed perpendicularly and a conventional hoper; and an axis stick(27) that is connected with a rotating conical cylinder(16) with screw(18). The inside surface of the pulverizing device and the outside surface of the rotating conical cylinder(16) have vertical grooves(11-1)(16-1) and horizontal grooves(11-2)(16-2) formed at regular intervals.
Patent KR-20010029346-A (KR)
Inventor: LEE HAN SEOK
IPC: B60H1/00
Filed: 1999-09-30
Abstract: PURPOSE: A vehicle cooling/heating system is provided to simplify the vehicle structure and improve heating/cooling effectiveness by allowing a single system to be commonly used for cooling or heating operation. CONSTITUTION: An air conditioner including a condenser for radiating heat to the outside, an evaporator for supplying low temperature heat through a duct installed within a vehicle, and a compressor for compressing the refrigerant, is mounted onto a vehicle roof. The condenser fan operates so as to radiate the condensed heat, and the refrigerant passed through an expansion valve absorbs the heat introduced into the evaporator unit so as to lower the temperature of the air to be supplied into the indoor area through a blower. An open/shut-off opening is formed at a passage formed between the condenser and the evaporator, and connection passages connected to the duct are formed at the condenser and the evaporator, respectively. The connection passage has an open/shut-off dampers which are actuated by actuators(8,9). Actuators are connected to an air conditioner switch(12) and a heating switch(13), respectively, and actuate dampers in accordance with the operation of switches so as to supply heat from the condenser and the cooling air from the evaporator to the indoor area.
Patent KR-20010036038-A (KR)
Inventor: LEE NAM CHEOL
IPC: B01D17/00
Filed: 1999-10-05
Abstract: PURPOSE: An unmanned automatic separation equipment is provided, which can automatically separate an object material in a desired depth after work in the deep sea by actuating the hydraulic piston by applying pressure through an influent valve, so that the existing expensive equipment for separating an object material can be replaced with this cheap and simple equipment. CONSTITUTION: The system comprises the followings: (i) an object material (10) to be recovered, which is fixed to a separating shaft (12) and has a positive buoyant force; (ii) a fixing device which has a separating shaft (12) inserted into a fixing cylinder (27) that is an integrated body with a cover (25) and is fixed to the fixing cylinder (27) by balls of ball plungers (29), the cover (25) having an effluent valve (45) that can be opened only to outside for venting air; and (iii) a separating device which has a housing (20) that has an influent valve (40) at the bottom, in which a hydraulic piston (30), an integrated body with a push arm (32) for pushing the separating shaft (12), is installed, wherein the object material (10) is separated from the system in an unmanned way by opening the influent valve (40) and pushing the hydraulic piston (30) toward the separating shaft (12).
Patent KR-20010039472-A (KR)
Inventor: YAMAGATA SHIGERU
IPC: C03C3/06
Filed: 1999-11-01
Abstract: PURPOSE: To provide a silica glass optical material that has high initial transmission to the excimer laser or excimer lamp of 155-195 nm wavelength and a small fluctuation range in the refractive index (Δn) and shows excellent durability under irradiation therewith for a long time. CONSTITUTION: This invention relates to a silica glass optical material for the rays or beams from an Excimer laser and Excimer lamp and characteristically has the following physical and chemical properties: the silica glass optical glass is ultra-high pure, has an OH group content of 1-100 wt.ppm, a H2 content of 5x1016-5x1019 molecules/cm3, and a F content of 10-10,000 wt.ppm, substantially no content of halogens other than F and a fluctuation range in the refractive index (Δn) of 3x10-6-3x10-7.
Patent KR-20000006854-A (KR)
Inventor: LIM KYONG HWAN
IPC: A23L7/10
Filed: 1999-11-08
Abstract: PURPOSE: A manufacturing method for a rice-cake of broiled rice-cake is provided to take in vitamin and dietary fiber conveniently as well as an effect of various natural edible pigments. CONSTITUTION: A method for manufacturing a rice-cake is composed of: drying(10) a natural edible pigment(30) and grinding(20) for shaping into a powder type; uniformly mixing(50) the pigment powder to a rice powder, a flour, or the mixture(40); setting to a steaming(60) process after mixing; extruding(70) by using a proper shaped aperture after steaming; and cutting(80) into a certain length for being used for a broiled rice-cake and cooling the rice-cake for maintaining the shape. Therefore, the rice-cake can provide a balanced nutrition and various colors and flavors while saving time.
Patent KR-20000007125-A (KR)
Title: Production method and apparatus of heat pipe, heat-exchanger having vacuum and operation material inserting valve device installed
Inventor: LIM HWA JUN
IPC: F28D15/02
Filed: 1999-11-29
Abstract: PURPOSE: A heat pipe is provided to easily produce the small volume of products, so to apply a heat pipe to the various range such as a heat sink of a semiconductor parts cooling. CONSTITUTION: A heat exchanger(50) has:an adiabatic device(40) established at the outer circumference of evaporating part of the container(15,16) for delivering heat in a way of heat pipe; a operating material injecting device(10) for injecting the vacuum and an operating material; a heat pipe for injecting the operating material after vacuum process of inside through a vacuum processing device(22,23,26) and an operating material injecting device(24,25,28).
Patent KR-20010048875-A (KR)
Inventor: IM JONG HAN
IPC: B23P15/32
Filed: 1999-11-30
Abstract: PURPOSE: A drill screw machining device improves the efficiency of space using and the productivity of a drill screw by transferring a good after being exhausted from the front surface of a heading machine and enabling the parallel method simultaneous machining of a drill angle machining machine. CONSTITUTION: A drill screw machining device comprises a heading machine(300), a drill angle machining machine(400) and a rolling machine(500). A line material is properly cut on a heading machine(300). Then, a screw head is formed on one of the cut material between a reciprocating punch(306) and dies(304,304'). Then, the materials are transferred to the drill angle machining machine(400). Then, the materials are sequentially transferred via a run-way and fixed on disk fingers(420,423). A drill angle is formed on the material by a forging if the material is transferred to a drill angle metal mold portion(440). Then, the material is moved to a rolling machine(500) along a feeder extended from the drill angle metal mold portion(440). Further, the material is moved to a rolling metal mold portion(510) along a hopper and the run-way. Then, a screw line is formed on the material by a rolling machining. Finally, the completed material is exhausted through each exhausting hole.
Patent KR-20010056069-A (KR)
Inventor: BYUN JUNG HYEOK
IPC: H01L27/10
Filed: 1999-12-14
Abstract: PURPOSE: A method for manufacturing semiconductor memory is provided to ensure a bitline plug to be positioned on the top of a gate by smoothing a polycrystalline a silicon without exposing the gate. CONSTITUTION: A process forms a gate of a cell transistor on a substrate(1). The process deposits a polycrystalline silicon(3) on the top of the structure and makes the deposited polycrystalline silicon(3) smoothed so that the gate of the cell transistor may not be exposed. The process deposits a dielectric film on the smoothed polycrystalline silicon (3) and forms a dielectric film pattern located on a common source of the cell transistor and on an upper part of the gate positioned on the both sides of the cell transistor of the common source by patterning the dielectric film. The process forms a bitline plug located on the top of the both sides gate of the source by utilizing the dielectric pattern as an etch mask. The bitline plug is connected to a source of the cell transistor by patterning the polycrystalline silicon(3).
Patent KR-20010078501-A (KR)
Title: Microwave oven
Inventor: SEO SANG SEOK
IPC: F24C7/02
Filed: 1999-12-16
Abstract: PURPOSE: A microwave oven is provided to open a door conveniently by not using a hand. CONSTITUTION: A microwave oven is composed of a body having a cooking chamber and a component chamber; a door(7) rotatingly installed in the front of the body to open a front opening of the cooking chamber; plural operating units placed at the side of the door; a door opening button(20) mounted in the lower part of a control panel to open the door manually; and a door opening unit opening by using a foot. A movable link is operated with pressing an elastic unit(37), and a cable(51) is pulled with operating the movable link in pressing a pedal(35) of a driving link(31). An operating unit(63) of a door lever(60) pushes a moving piece(71) of a lever switch(70) to the door. The door is opened with releasing a latch member(11) in sliding an operating piece(73). An operating bar(21) is protruded in applying force to the operating bar of the door button, and the door is opened with interlocking the door lever and the lever switch. The door of the microwave oven is opened with transmitting pressure on the pedal unit and with releasing the latch member.
Patent KR-20010056867-A (KR)
Inventor: KIM SONG HAK
IPC: H01L21/60
Filed: 1999-12-17
Abstract: PURPOSE: A heat block apparatus for manufacturing a semiconductor package is provided to allow an easy control of temperature and to minimize variations of temperature due to heat loss. CONSTITUTION: The heat block apparatus(100) is used for supplying heat to a semiconductor chip(14) and a lead frame(12) when the semiconductor chip(14) and the lead frame(12) are bonded by conductive wires. The apparatus(100) includes a base(2) having a cavity(3) and a clamper(4), a heat block(8) mounted in the cavity(3) of the base(2), and a thin heating member(10) placed on the heat block(8). Preferably, the heating member(10) may be formed of a conductor of electricity, such as aluminized steel, stainless steel or zinc steel, and enclosed by a nonconductor of electricity and conductor of heat, such as refractory, mica or mineral. Alternatively, the heating member(10) may be an iron-chrome-aluminum resistor enclosed by a ceramic fiber layer. The heating member(10) generates heat in proportion to an electric current applied thereto while electrically insulated from the lead frame(12). The heat block(8) may have a thermostat for measuring the temperature of the heating member(10).
Patent KR-20000012747-A (KR)
Inventor: LEE DONG HO
IPC: E05F15/16
Filed: 1999-12-22
Abstract: PURPOSE: A window regulator of a vehicle is provided to smoothly perform the elevating operation of a window glass by reducing an operation resistance, to improve the compatibility of each model of a window regulator. CONSTITUTION: A window regulator of a vehicle is composed of: a mounting plate(12) fixed at the inner face of a vehicle door; a right/reverse driving motor(14) established at the mounting plate; a drum(16) rotated to the right or the reverse direction according to the driving direction in the state of mechanically combining with the driving motor; a linear figure guide bar(40) established with stood to the elevating direction of a window glass(22) from one side end of the mounting plate(12); a moving plate(60) combined by being inserted to be slid to up and down at the guide bar(40).
Patent KR-20010058105-A (KR)
Inventor: SHIN PILL SOON
IPC: A44C11/00
Filed: 1999-12-24
Abstract: PURPOSE: Provided is a necklace including a magnifier hung on a decorative body of the chain, which helps aged persons with bad eyesight to magnify various kinds of materials. CONSTITUTION: The necklace comprises a decorative chain(11), a decorative body(25) placed at the chain, a couple of decoration rings(17) installed at both ends of the chain for fastening the both ends together, a magnifier(15) with a catch hole to be hung on the chain, and a frame(21) having a support rise where the magnifier is set on and an assembling material fixing the magnifier to the support rise for supporting the outer circumference of the magnifier.
Patent KR-20010060858-A (KR)
Inventor: HWANG GYU HONG
IPC: C01B13/02
Filed: 1999-12-28
Abstract: PURPOSE: A method and apparatus for producing active oxygen capable of being used for agricultural industry and marine products industry by producing nascent oxygen and -O-O- using hydrogen peroxide are provided. Therefore, the obtained active oxygen can be supplied to soil or a large-scale fishing ground by mixing water. CONSTITUTION: Active oxygen capable of remaining in water or soil is prepared by the process consisting of: obtaining nascent oxygen using hydrogen peroxide and preparing nascent oxygen and -O-O- as an intermediate step of oxygen gas. The apparatus comprises a ceramic vessel(5) in water tank(1), a hydrogen peroxide vessel(2) containing a hydrogen peroxide liquid, installed upside down in the ceramic vessel and an outlet(201) having a catalyst container(2a) containing a manganese oxide catalyst and cyanic acid catalyst.