baber/WOPTO huggingface dataset:
Patent KR-20020084817-A (KR)
Inventor: SAKO RYOSUKE
IPC: C23C22/00
Filed: 2002-05-01
Abstract: PURPOSE: To provide a chromium-free metallic surface treating agent used for imparting excellent corrosion resistance and alkali resistance to a metallic material and to provide a metallic surface treating method and a surface treated metallic material using the same. CONSTITUTION: This metallic surface treating agent contains at least one kind of vanadium compound (A) and a metallic compound (B) containing at least one kind of metal selected from the groups consisting of zirconium, titanium, molybdenum, tungsten, manganese and cerium. For further improving the physical properties thereof, the prescription of the ratio of pentavalent vanadium ions to the whole vanadium and the incorporation of an organic compound having a specific functional group, an etching agent, a water soluble high polymer or/and a water-based emulsion resin are possible. The metallic surface treating method and the surface treated metallic material use the same treating agent.
Patent KR-20030087734-A (KR)
Title: A dryer of wet station with vespel-made wafer guide
Inventor: NOH MIN SU
IPC: H01L21/304
Filed: 2002-05-09
Abstract: PURPOSE: A dry apparatus having a wafer guide made of vespel is provided to be capable of preventing the generation of carbon elements and absorbing the generated carbon elements for preventing the generation of active voids when carrying out an annealing process by changing pfa material of a spin dryer to vespel. CONSTITUTION: A dry apparatus of a wet station includes a wafer holder made of vespel. Preferably, the dry apparatus of the wet station further includes a wafer chuck made of the vespel, for loading a plurality of wafers(W), a wafer holder guide made of the vespel, and a wafer transfer made of the vespel. At the time, the wafer holder includes a wafer supporting part(1) and a circular substrate(3).
Patent KR-20030088540-A (KR)
Title: Apparatus and method of driving plasma display panel
Inventor: LEE JUN HAK
IPC: G09G3/296
Filed: 2002-05-11
Abstract: PURPOSE: An apparatus and a method for driving a plasma display panel are provided to improve the picture quality by performing gamma curves according to the distribution of histogram of red, green, and blue color data. CONSTITUTION: An apparatus for driving a plasma display panel includes a histogram distribution detection unit(22) and a histogram-interlock inverse gamma correction unit(24). The histogram distribution detection unit(22) detects the distribution of histogram of input data. The histogram-interlock inverse gamma correction unit(24) controls the input data by adjusting gamma correction values of red, green, and blue data according to the distribution of histogram of input data. The distribution of histogram corresponds to the distribution of the number of pixel data to the displayed gray scales.
Patent KR-20030092156-A (KR)
Title: Method for forming electric layer in semiconductor device processing
Inventor: KIM HYEON YEONG
IPC: H01L21/316
Filed: 2002-05-27
Abstract: PURPOSE: A conductive layer forming method for manufacturing a semiconductor device is provided to be capable of reducing process error by minimizing the flow of a developer into a lower metal layer by forming a dense crystal structure anti-reflective coating at the upper portion of the lower metal layer. CONSTITUTION: After forming a metal layer at the upper portion of a semiconductor substrate(10), a dense crystal structure anti-reflective coating is formed at the upper portion of the metal layer for preventing chemicals from flowing into the metal layer. Preferably, the metal layer contains an aluminum layer(14). Preferably, the anti-reflective coating is made of a titanium nitride layer(16) or a titanium/titanium nitride layer. Preferably, the titanium nitride layer is formed by carrying out a CVD(Chemical Vapor Deposition) process using organic material source.
Patent KR-20030092240-A (KR)
Title: Fabrication method for semiconductor laser with double trench structure
Inventor: KANG JUNG GU
IPC: H01S5/30
Filed: 2002-05-29
Abstract: PURPOSE: A method for fabricating a semiconductor laser of double trench structure is provided, which improves adhesion of a pad metal layer and is fabricated easily. CONSTITUTION: According to the method for fabricating a semiconductor laser of double trench structure, a photo resist layer is stacked on an upper surface of the above semiconductor laser and then the semiconductor laser is etched to form a double trench structure. An etching width of the semiconductor laser is extended by selectively etching a contact layer(215) of the above semiconductor laser. Then, an angled part of an inner wall of the upper part of the above trench is etched again to make it plane.
Patent KR-20020093589-A (KR)
Inventor: KOBAYASHI KEVIN W
IPC: H03F1/32
Filed: 2002-06-05
Abstract: PURPOSE: Application of the doherty amplifier as a predistortion circuit for linearizing microwave amplifiers is provided, which uses Doherty amplifier to precompensate for gain compression and phase expansion as the input power level is increased while simultaneously reducing the intermodulation(IM) distortion. CONSTITUTION: The microwave power amplifier(20) includes a carrier amplifier(22) and a peak amplifier(24). Both the carrier amplifier(22) and the peak amplifier are formed from heterojunction bipolar transistors(HBT)(22) and in particular as a prematched 1.5x 30£mu|m x four finger InP DHBT device with a total emitter area of 180£mu|m.
Patent KR-20030094751-A (KR)
Title: A chair having a coat hanger
Inventor: AN CHUNG YONG
IPC: A47C7/64
Filed: 2002-06-07
Abstract: PURPOSE: A chair with a hanger is provided to increase the convenience of storage of a garment while securing sanitary storage of the garment, and thus prevent the loss of the garment. CONSTITUTION: The chair(10), comprising a sitting panel(12), a backrest(14), and a support unit(16), is additionally provided at the rear surface of the backrest with a hanger(100) for a garment. That is, at one side surface of the backrest is formed a hinge portion(20), and one end of the hanger is rotatably coupled to the backrest through the hinge portion.
Patent KR-20020095437-A (KR)
Inventor: HIROSE TATSUYA
IPC: A47L5/24
Filed: 2002-06-12
Abstract: PURPOSE: A dust-collecting device is provided to prevent a backflow of dust within a dust-collecting chamber and to improve dust-collecting efficiency. CONSTITUTION: In a dust collecting device(1), an open dust suction port(3) is installed on a floor wall(13) of a housing(11). A rotating brush housing chamber(39) and a dust collecting chamber(36) are placed side by side inside the housing. The rotating brush housing chamber is connected to the dust collecting chamber, through an air current passing port(34). A rotating brush(2) is arranged in the rotating brush housing chamber and it is possible to collect in the dust collecting chamber dust on a floor through an air current passing port by sweeping up by rotation of the rotating brush. A cover wall(83) covering the upper part of the rotating brush is installed to the housing, facing the rotating brush housing chamber, and at the same time an air current guide wall(81) suddenly rising from the floor wall of the housing. A dust catching wall is projected toward the inside of the dust collecting chamber onto an upper end part(81a) of the air current guide wall.
Patent KR-20030096889-A (KR)
Inventor: CHOI SEONG MU
IPC: F01N3/28
Filed: 2002-06-18
Abstract: PURPOSE: A catalyst for prevention of poison for an automobile is provided to improve endurance activity by forming a catalytic converter with a plurality of catalytic system. CONSTITUTION: A ternary catalytic converter(10) comprises a diesel particulate filter catalyst(11) located at the introduction unit of emission and coated with a wash coat containing platinum, a palladium catalyst(12) having excellent light-off temperature function, and a palladium-rhodium mixed catalyst(13) located at the discharge unit of the emission and having excellent ternary activity.
Patent KR-20040006973-A (KR)
Title: Semiconductor device for chip size packaging and method of producing the same
Inventor: HAN YEONG SEOK
IPC: H01L21/60
Filed: 2002-07-16
Abstract: PURPOSE: A CSP(Chip Scale Package) type semiconductor device and manufacturing method thereof are provided to be capable of considerably improving current efficiency. CONSTITUTION: A CSP type semiconductor device is provided with a semiconductor substrate(101), the first conductive type epitaxial layer(102) formed at the upper portion of the semiconductor substrate, and a plurality of second conductive type impurity regions(103) spaced apart from each other at the first conductive type epitaxial layer. The CSP type semiconductor device further includes a plurality of first comb type electrodes(115) formed between the second conductive type impurity regions at the first conductive type epitaxial layer, and a plurality of second comb type electrodes(116) formed at the second conductive type impurity region. The CSP type semiconductor device further includes the first and second connection part, and a protecting layer(119) formed at the upper portion of the semiconductor substrate.
Patent KR-20040008778-A (KR)
Title: Impressed current cathodic protection system for marine structure without reference cell
Inventor: JUNG MYUNG KUK
IPC: B63B59/00
Filed: 2002-07-19
Abstract: PURPOSE: A standard electrode used to decide applied current and voltage is removed, and an optimum current is applied, thereby reducing cost. CONSTITUTION: In a forced current applying device for an ocean structure, a power supplying device(20) is installed in a certain position of the ship(12). An anode(22) is installed in both side of the ship, and is connected to the power supplying device. A standard electrode installed using a separate water sealing device is unnecessary. Therefore, installing cost is reduced, and damage to the ship is minimized. An optimum voltage applied to the anode is 1500-2500mV.
Patent KR-20040009271-A (KR)
Title: Radiation Direction Auto Controllable Headlight Apparatus and Controlling Method for the same
Inventor: KIM RYEOK
IPC: B60Q1/10
Filed: 2002-07-23
Abstract: PURPOSE: A head light system for automatically regulating a steering direction and a control method thereof are provided to optimally regulate a head light to the change of gravity center of the vehicle in the initial load and to make the steering direction constant all the time. CONSTITUTION: A head light system for automatically regulating a steering direction is composed of at least one load sensor(11,12,13,14,15) mounted to the lower of a vehicle to sense weight loaded on the vehicle; a weight deviation detecting unit(20) for detecting the deviation of weight applied on each part of the lower of the vehicle to a sensed result of the load sensor; a head light(30) for moving up and down or right and left to the deviation of the weight deviation detecting unit; a stepping motor(31) for driving the head light; and a stepping motor driving unit for controlling the stepping motor to the deviation detected by the weight deviation detecting unit.
Patent KR-20040011931-A (KR)
Title: Panel ejecting structure for press mold
Inventor: KIM HAK JUN
IPC: B21D45/00
Filed: 2002-07-31
Abstract: PURPOSE: A panel extracting structure of press mold is provided to reduce forming cost and fabrication cost by reducing the number of parts composing the panel extracting structure of the press mold. CONSTITUTION: The panel extracting structure(100) of press mold comprises a lower mold steel(10) on which a panel(11) is rested; an upper mold steel(20) engaged with the lower mold steel to perform flange operation of the panel; a pressing pin member(30) ascended and descended with being integrally connected to the upper mold steel; and a panel extracting assembly(40) comprising a base(41) mounted on a lower mold(13), a hinge bar(43) one end of which is hinge connected to the base(41), and with the other end of which the pressing pin member is contacted so that the hinge bar is rotated, first spring member(45) connected to the hinge bar and the base so that the hinge bar is rotated in a direction of the panel when an external force is not applied to the hinge bar, and a lifter plate(47) one end of which is hinge connected to the hinge bar, the other end of which is contacted with the surface of the lower mold steel so that the lifter plate is ascended along with the hinge bar during ascent of the hinge bar to push and extract the flange operated panel.
Patent KR-20040012053-A (KR)
Title: Lift pin for manufacturing semiconductor device
Inventor: PARK GWANG SUN
IPC: H01L21/68
Filed: 2002-07-31
Abstract: PURPOSE: A lift pin of an electrostatic chuck for semiconductor fabricating equipment is provided to easily remove the charges charged in a wafer and prevent a lift pin from getting caught in vertical transfer holes by installing a coupling spring and a restoring spring in a plurality of lift pins. CONSTITUTION: The plurality of lift pins(1) are installed in the vertical transfer hole(41) of an electrostatic chuck(4) inside a chamber. The coupling spring(2) and the restoring spring(3) are installed on and under a coupling member(11) of the lift pin. The coupling spring is installed in the uppermost portion of the coupling member so as to meet a wafer(5) previously when the lift pin moves up.
Patent KR-20040013536-A (KR)
Title: common voltage generating device and liquid crystal device using the same
Inventor: HA JAE MIN
IPC: G02F1/133
Filed: 2002-08-07
Abstract: PURPOSE: A device for generating a common voltage and a liquid crystal display using the same are provided to remove flickers by generating uniform kick-back voltages, thereby improving the quality of a screen. CONSTITUTION: A driving voltage generator(4) generates a common voltage according to a reference voltage to provide the common voltage to an LCD(Liquid Crystal Display) panel(1). A kick-back compensator(7) calculates a mean gray scale value of image data to be displayed, and generates a compensation voltage corresponding to the calculated mean gray level for providing the compensation voltage to the driving voltage generator to change the reference voltage. A duty control part of the kick-back compensator calculates the mean gray level every one horizontal period and generates a duty rate signal corresponding to the calculated mean gray level. A voltage generator of the kick-back compensator generates the compensation voltage corresponding to the duty rate signal.
Patent KR-20040013948-A (KR)
Title: Display having a charging means and fabricating method thereof
Inventor: BAEK HEUM IL
IPC: G02F1/133
Filed: 2002-08-09
Abstract: PURPOSE: A display device comprising a charging apparatus and its fabrication method are provided, which comprises a charging apparatus like a solar cell on a back of a reflective liquid crystal display or a field emission display device not requiring a back light. CONSTITUTION: A solar cell(20) is formed on a transparent substrate(10), and an insulation film(30) is formed on an upper surface of the solar cell. And a display panel(40) is formed on an upper surface of the insulation film. The solar cell comprises the first electrode layer formed on the substrate, and the first ohmic contact layer formed on an upper part of the first electrode layer, and an intrinsic semiconductor layer formed on an upper surface of the first ohmic contact layer, and the second ohmic contact layer formed on an upper surface of the intrinsic semiconductor layer, and the second electrode layer formed on an upper surface of the second ohmic contact layer.
Patent KR-20040018291-A (KR)
Title: Advertising system an image display device
Inventor: GIM ILL MAN
Filed: 2002-08-22
Abstract: PURPOSE: An AD(ADvertisement) system using an image display device is provided to perform an AD effectively and economically by performing the AD in a distance close to a person walking on a street or a passenger in a driving car. CONSTITUTION: A client PC logs on to a contents server by inputting a user ID and a password. The server certifies a user and transmits a confirmation message to the client PC(1). The client PC transmits the version information of the contents stored in the client PC to the server and the server compares the version with the version of the contents stored in the server(2). In case that the version is different, the latest contents are downloaded to the client PC(3). The client PC displays the contents on the image display device by playing the first contents(4). After playing the first contents, the client PC transmits the information of the played contents to the server(5). The server stores the information in each user database. The client PC transmits the version information of the contents stored in the client PC to the server and the server compares the version with the version of the contents stored in the server. The server checks a logout request from the client PC.
Patent KR-20040020160-A (KR)
Title: Method of repairing refractory in container
Inventor: KIM DONG YUN
IPC: B22D41/02
Filed: 2002-08-29
Abstract: PURPOSE: A repairing method of refractories inside container is provided which improves adhesive strength on interface between a matrix of slip casting castable and a partial repairing material. CONSTITUTION: I a method for repairing a slip casting castable(1) inside container that is partially separated, the repairing method comprises the steps of removing a magnesian coating material(7) remained on the surface of the partially separated slip casting castable; injecting a mixed solution(3) having a viscosity of 60 to 490 centipoises prepared by mixing water with sodium silicate solution of water glass onto a repairing part of the slip casting castable from which the magnesian coating material is removed; constructing an alumina partial repairing material(5) on the mixed solution injected repairing part of the slip casting castable; and constructing the magnesian coating material on the surface of the alumina partial repairing material and the slip casting castable, wherein the water and sodium silicate solution are mixed in a mixing ratio of 1.4:1 to 1:4.9 in the mixed solution.
Patent KR-20040023221-A (KR)
Title: Changed posture typed shock absorber for suspension in vehicle
Inventor: CHO YEONG HWAN
IPC: B60G17/027
Filed: 2002-09-11
Abstract: PURPOSE: A suspension for a vehicle with an attitude-variable type shock absorber is provided to keep the riding comfort optimum by varying the inclination of the attitude-variable type shock absorber according a change of load given by laden objects and securing an optimum shock-absorbing effect always. CONSTITUTION: A shock absorber(3) is connected to an adjuster, to vary the inclination of the shock absorber according to the load of laden objects. The ends of the shock absorber are fixed through mounting members of a side frame(1) and a leaf spring(2) part, to absorb shock given from the outside. The adjuster comprises a guider(10) attached over the shock absorber part combined to the side frame; a support rod(20) varying the inclined degree of the shock absorber while moving along a guide channel(10a) formed to the guider; a cable(30) one end of which is fixed to the support rod and the other end of which is fixed to an axle part; and plural pulleys(40) mounted to parts bent in the route of the cable, to properly maintain the tension of the cable.
Patent KR-20030032836-A (KR)
Title: A method to form a self-aligned CMOS inverter using vertical device integration
Inventor: SUNDARESAN RAVI
IPC: H01L29/423
Filed: 2002-09-16
Abstract: PURPOSE: A method for fabricating a self-aligned complementary-metal-oxide-semiconductor(CMOS) inverter using vertical device integration is provided to form a closely-spaced CMOS transistor pair by using vertical NMOS and PMOS transistors. CONSTITUTION: A substrate comprises silicon-implanted-oxide(SIMOX) wherein an oxide layer(14) is sandwiched between underlying and overlying silicon layers. Ions are selectively implanted into the first part of the overlying silicon layer to form a drain, channel region and source for an NMOS transistor. The drain is formed directly overlying the oxide layer, and the source is formed overlying the channel region. Ions are selectively implanted into the second part of the overlying silicon layer to form a drain, channel region and source for a PMOS transistor. The drain is formed directly overlying the oxide layer, the PMOS channel region is formed overlying the drain, and the source is formed overlying the channel region. The PMOS transistor drain is in contact with the NMOS transistor drain. A gate trench is etched through the NMOS and PMOS sources and channel regions. The gate trench terminates at the NMOS and PMOS drains and exposes the sidewalls of the NMOS and PMOS channel regions. A gate oxide layer(86) is formed overlying the NMOS and PMOS channel regions and lining the gate trench. A polysilicon layer is deposited and etched back to form polysilicon sidewalls and to thereby form gates for the closely-spaced CMOS transistor.
Patent KR-20040029208-A (KR)
Title: Apparatus for absorbing shock wave of brake system in a vehicle
Inventor: SON YEONG GYUN
IPC: B60T17/04
Filed: 2002-09-25
Abstract: PURPOSE: A shock wave absorber of a brake system is provided to absorb and remove shock waves of high pressure from the brake system. CONSTITUTION: A housing(22) has openings in the front and the back by fixing inside a brake hydraulic line(20). A moving device(28) moves to absorb shock waves of high pressure generated by the brake vibration inside the housing. Elastic devices(30,32) return the moved state of the moving device for the shock wave absorption inside the housing. Thereby, the stability according to a driving operation is increased by eliminating the vibration and the shaking on a brake pedal.
Patent KR-20040028448-A (KR)
Title: Beauty wash ingredients for prevented of skin trouble
Inventor: KIM SANG KI
IPC: A61Q17/00
Filed: 2002-09-30
Abstract: PURPOSE: Provided is a skin trouble preventing toilet water composition which has excellent sterilizing effect with respect to skin parasites and bacteria, and fundamentally removes the cause of various skin troubles. CONSTITUTION: A skin trouble preventing toilet water composition comprises 90.66wt.% of nano silver chloride, 5.0wt.% of aloe barbadensis leaf juice, 4.0wt.% of ethanol, 0.10wt.% of DMDM hydantoin, 0.10wt.% of polysorbate 80, 0.05wt.% of castor oil, 0.07 of fragrance, and 0.02wt.% of disodium EDTA.
Patent KR-20030029021-A (KR)
Title: Mechanical pumps
Inventor: RANSOM KEVIN MICHAEL
IPC: F04D29/42
Filed: 2002-10-02
Abstract: PURPOSE: A mechanical pump is provided to effectively combine at least one flame arrester and to reduce the possibility of corrosion and the cost. CONSTITUTION: A mechanical pump(1) has an inlet(2) for a passage of liquid and an outlet being apart from the inlet. The mechanical pump incorporates at least one flame arrester(4). At least one flame arrester is immediately adjacent to the pump inlet. Two flame arresters are incorporated in the pump and one flame arrester is immediately adjacent to the pump inlet and the second flame arrester is immediately adjacent to the pump outlet. Each flame arrester includes a flame arresting element(6) removably mounted within a housing(8). The housing has a rectangular box section body(10) opposite ends of which are closed by removable cover plates(12).