baber/WOPTO huggingface dataset:
Patent KR-20020094714-A (KR)
Title: Hand lapping device for making semiconductor test sample for transmission electron microscope analysis
Inventor: JUNG EUN GYEONG
IPC: B24B37/00
Filed: 2001-06-13
Abstract: PURPOSE: A hand lapping device for manufacturing a semiconductor test sample is provided to expand life time of a grinding lapping film by precisely measuring the usage time of the grinding lapping film. CONSTITUTION: A hand lapping device includes a grinding plate(10) having a grinding plate frame(15), a glass(20) mounted on the grinding plate frame(15), a grinding lapping film(30) mounted on the glass(20), and a test sample holder fixing leveler(40) formed at one side thereof with a screw. A grinding test sample holder is fixed to the test sample holder fixing leveler(40). The hand lapping device carries out a lapping work with a predetermine load depending on sorts of test samples by using a metal pendulum having a predetermined weight.
Patent KR-20020095548-A (KR)
Title: Chemical and Mechanical Polishing Apparatus
Inventor: KIM YEONG GWON
IPC: H01L21/304
Filed: 2001-06-14
Abstract: PURPOSE: A chemical mechanical polishing(CMP) apparatus is provided to easily handle a wafer by holding the wafer in such a way that the surface of the wafer to polish faces upward, and to relatively increase polishing efficiency by using a polishing material rotating at a high rate. CONSTITUTION: A plate(100) absorbs the rear surface of the wafer(W) to make the surface of the wafer face upward, transferring in a horizontal direction while absorbing the wafer. A polishing pad(102) transfers to come in contact with the surface of the wafer when the surface of the wafer placed on the plate is polished, surrounding the outer circumferential surface of a rotation axis installed over the plate. A polishing byproduct removing unit removes a polishing byproduct attached to the polishing pad, installed over the polishing pad to come in contact with the outer circumferential surface of the polishing pad. A slurry supplying unit(104) supplies slurry to the surface of the wafer when the surface of the wafer is polished, installed over the plate. A deionized water supplying unit(108) supplies deionized water to the surface of the wafer when the surface of the wafer is polished, installed over the plate.
Patent KR-20030000303-A (KR)
Title: Capacitor of Semiconductor Device and Method for Fabricating The Same
Inventor: KIM GWANG JIN
IPC: H01L27/108
Filed: 2001-06-23
Abstract: PURPOSE: A capacitor of a semiconductor device is provided to increase capacitance of a unit area by using a capacitor of a dual structure, and to reduce cost by forming a dielectric layer and an electrode layer on and under a metal interconnection. CONSTITUTION: An interlayer dielectric having a plug connected to the first intermetallic dielectric is formed. The first electrode(15) is connected to the first intermetallic dielectric through the plug, formed on the flat surface of the interlayer dielectric. The first dielectric layer(16) is formed on the first electrode and the interlayer dielectric adjacent to the first electrode, surrounding the exposed surface of the first electrode. The second electrode(19) is formed from the first dielectric layer to the interlayer dielectric adjacent to the first dielectric layer, constituting a part of the second intermetallic layer formed on the interlayer dielectric and having a height varying on the edge. The second dielectric layer(18) and the third electrode are stacked on the flat surface of the second electrode.
Patent KR-20030000353-A (KR)
Inventor: SONG WON SEOP
IPC: G11C11/407
Filed: 2001-06-23
Abstract: PURPOSE: A phase interpolation control circuit is provided to control a current source of a phase mixing portion through a bit switch by generating the amount of full scale current from a bias generation portion. CONSTITUTION: A bias generation portion(100) generates a plurality of bias currents(nX). The bias generation portion(100) is formed with a bias generation terminal(110) and a plurality of PMOS transistors(P11 to Pn). A bit switching portion(200) receives the bias currents(nX) generated from the bias generation portion(100) and outputs analog signals(lout,loutb) to the first and the second nodes(Nd11,Nd12). The bit switching portion(200) is formed with a plurality of transfer gates(P21 to Pn,N21 to Nn). A phase mixing portion(300) outputs signals for interpolating phases of the first input signals(InE,InEb) and the second input signals(InO,InOb) according to the signals(lout,loutb) received from the bit switching portion(200). The phase mixing portion(300) is formed with a plurality of resistances(R11,R12) and a plurality of NMOS transistors(N31 to N38).
Patent KR-20030001962-A (KR)
Title: Wafer level package and method for fabricating the same
Inventor: BAEK HYEONG GIL
IPC: H01L23/48
Filed: 2001-06-28
Abstract: PURPOSE: A wafer level package is provided to guarantee reliability of a solder joint by attaching solder balls of a non solder mask define(NSMD) structure, and to stabilize a process by electrically connecting a semiconductor chip with a copper interconnection. CONSTITUTION: Two rows of bonding pads(12) are disposed in the center of a side surface of a semiconductor chip(11). A polyimide layer(13) is formed on the side surface of the semiconductor chip to expose the bonding pads. One end of several metal patterns is disposed on the polyimide layer, adjacent to the bonding pad. The other end of the metal patterns is thicker than other portions, extending to the edge portion of the semiconductor chip. Wire(15) electrically connects the bonding pad with the metal pattern. To expose a ball land(14b) of the metal pattern and the metal pattern adjacent to the ball land, encapsulant(16) is formed on the rest of the metal patterns, the wire and the polyimide layer.
Patent KR-20030003809-A (KR)
Title: Isolation method and The equipment of subway station which is making for Delightful Environment and Safety, Appearance
Inventor: YOO HAE DEOK
IPC: B61B1/02
Filed: 2001-07-04
Abstract: PURPOSE: An intercepting method and device for pleasant surroundings, safety, and appearance of a subway station is provided to prevent various foreign substances from coming in together with a train when the subway advances into a subway station and to prevent waiting passengers from falling on a railway. CONSTITUTION: In an intercepting method for pleasant surroundings, safety, and appearance of a subway station, a train stops at a stop line while entering a station building and then a sensor operates(step1). The sensor operates an air injection device installed at an intercepting plate and air curtain is spread(step2). A door installed at the incepting plate is open and shut together while the doors of the train are open and shut(step3). Passengers in the train and waiting passengers in the station building get off and get on the train with passing through the air curtain(step4). The doors of the trains and the door installed at the intercepting plate are shut at the same time(step5). The air injection device stops and removes the air curtain(step6). The train starts(step7).
Patent KR-20030008118-A (KR)
Title: Apparatus and method for removing stereo echo signal using pre-processing algorithm
Inventor: KIM HYUN TAE
IPC: H04R5/00
Filed: 2001-07-16
Abstract: PURPOSE: A stereo sound echo removing device is provided to be capable of minimizing correlation between received stereo sound signals and a calculation amount, by adopting a preprocessing algorithm. CONSTITUTION: An orthogonalization device(101) extracts two sound components(f1(x1,x2),f2(x1,x2), which are orthogonal each other, from received stereo sound signals(x2(k),x1(k)). Absolute value calculators(102,105) filter absolute values of the extracted sound components, respectively. A gain attenuator(103) attenuates an absolute value of the filtered sound component from the absolute value calculator(102), and a gain attenuator(106) attenuates an absolute value of the filtered sound component from the absolute value calculator(105). An adder(104) adds the received stereo sound signal(x2(k)) and an output signal of the attenuator(103), and an adder(107) adds the received stereo sound signal(x1(k)) and an output signal of the attenuator(106).
Patent KR-20030008270-A (KR)
Title: backlight for liquid crystal display devices
Inventor: KIM JE HONG
IPC: G02F1/13357
Filed: 2001-07-19
Abstract: PURPOSE: A backlight for a liquid crystal display device is provided to increase the light focussing degree of the backlight while reducing the fabrication cost by disposing a prism film having a plurality of linear prisms between a light source and a light guide plate. CONSTITUTION: A backlight for a liquid crystal display device includes a linear light source(410) extended in a first direction and emitting light, a lamp housing(420) surrounding the light source and having an opening part at a side, a light guide plate(450) connected to the opening part of the lamp housing at a side and guiding the light emitted from the light source from a side surface in a second direction, a reflection plate(460) disposed at a lower part of the light guide plate and reflecting light in a third direction opposite to the second direction toward the second direction, and a first prism(430) positioned between the light source and the light guide plate and having a plurality of linear prism of which peak angle is 60°-150°.
Patent KR-20030006865-A (KR)
Inventor: YANG CHUL SOON
IPC: D06B1/14
Filed: 2001-07-16
Abstract: PURPOSE: A process of preparing a woven fabric which is thin but has strong magnetic force by overcoming the drawbacks of the known powder magnet such as weakening of magnetic force caused by the attraction force between different poles is provided, which enables the fabric to be mass produced at low cost. CONSTITUTION: A small amount of a surfactant is added to raw material containing a coating agent to prevent the formation of precipitation or coagulation of permanent magnet powders and introduced into a supplier(3). The raw material from a coating roller is passed through a coating roller(2) and a compression roller(4) to coat a woven fabric(5) supplied from a woven fabric supply roller(1), the coated woven fabric is dried in a drier(6) and then passed through a magnet generator(7).
Patent KR-20030010946-A (KR)
Title: Method of The Logical Volume Manager supporting Dynamic Online resizing and Software RAID
Inventor: KIM CHANG SU
IPC: G06F13/00
Filed: 2001-07-27
Abstract: PURPOSE: A method for managing a logical volume for minimizing the dynamic size change and a metadata volume is provided to manage the logical volume by using a mapping table for a relation between a logical and a physical address and a minimal storage for the system metadata. CONSTITUTION: The logical volume is generated by gathering the disk partitions according to a logical volume configuration request for a physical storage. The metadata including the information for the disk partitions joining with the logical and the physical volume and stores the metadata in the disk partition. A size of the logical volume is dynamically changed by receiving a change request from the disk partition configuring the logical volume and the change of the metadata needed to change the logical volume is carried out. The physical address corresponding to the mapping information of the metadata storing the information of the physical address matched with the logical address is understood and returned by receiving the logical address of the logical volume.
Patent KR-20030013924-A (KR)
Inventor: PARK CHAN HYO
IPC: G03F7/004
Filed: 2001-08-10
Abstract: PURPOSE: An ink composition for solder resist is provided, to improve the coating hardness, the adhesive strength, the heat resistance against lead welding of the solder resist protecting the electric circuit from the external pollution and contact and to prevent the lead welding from being adhered to the undesired part. CONSTITUTION: The ink composition comprises 1-90 parts by weight of a binder polymer which is a mixture consisting of 60-95 wt% of a styrene-maleic anhydride first copolymer with a molecular weight of 12,000-100,000 and 5-40 wt% of a styrene-maleic anhydride second copolymer with a molecular weight of 100,000-200,000, wherein the maleic anhydride part is partially esterified by using an alcohol of low molecular weight; a heat resistance reinforcing agent; a photopolymerization monomer; a photoinitiator; a heat curing agent; a coloring agent; and a filler.
Patent KR-20030020595-A (KR)
Title: Micro Pattern Examining System and Setting Method for the Same
Inventor: SHIN HO SEUNG
IPC: G01B11/25
Filed: 2001-09-03
Abstract: PURPOSE: A fine pattern test system and a setting method thereof are provided to optimally preventing aliasing regardless of the skillfulness of a tester and to adjust the focus of a camera. CONSTITUTION: A shadow mask(1) to be tested is placed on a support(2). A camera(3) picks up the image of a fine pattern formed in the shadow mask. An image processing device(4) displays the image obtained by the camera and performs the fast Fourier transformation of the obtained image. With the image displayed by the image processing unit, the focus of the camera is adjusted. When aliasing is minimized, workers set the camera.
Patent KR-20020025011-A (KR)
Inventor: MATSUMOTO YASUO
IPC: G06K7/00
Filed: 2001-09-14
Abstract: PURPOSE: A portable information apparatus is provided to have no worn terminal portion of a media card and cause no trouble such as stored data damage or card slipping off. CONSTITUTION: An apparatus body(1) has a wireless communication function with a pack mount(2), and a battery pack(3) is removably mounted on the pack mount(2) of the body(1). A media card housing(8) recessed for fitting a media card(10) with the pack is provided on at least either of mutually contacted surfaces of the body(1) and the battery pack(3) being mounted on the body(1). Thus, the power connection of the battery pack(3) to the body(1) and the terminal connection of the media card(10) to the body(1) can be executed with the media card(10) fitted into the card housing(8) and the battery pack(3) mounted on the body(1).
Patent KR-20030027289-A (KR)
Title: Method of macroparticle - filtered plasma generation by cylindrical magnetic cusp field
Inventor: PARCK SANG KU
IPC: H05H1/00
Filed: 2001-09-28
Abstract: PURPOSE: A method for generating large area plasma filtering macro-particle using a cusp magnetic field is provided, which increases a transportation efficiency by making plasma filtered in a reactor. CONSTITUTION: According to the method, macro-particles are removed in a reaction chamber(306) by forming a cusp magnetic field in a plasma source exit in a processing chamber using a permanent magnet or an electromagnet(303). In order to increase processing uniformity, an AC current of the electromagnet is used.
Patent KR-20020025815-A (KR)
Inventor: NAKANISHI NAOYA
IPC: H01M4/131
Filed: 2001-09-28
Abstract: PURPOSE: Provided is a nonaqueous electrolyte secondary cell which gives improved power characteristics to lithium ion secondary cells wherein the positive electrode active substance used is a mixture of lithium-nickel-cobalt-manganese composite oxide and lithium-manganese composite oxide. CONSTITUTION: The nonaqueous electrolyte secondary cell has a positive electrode active substance comprising a mixture of a lithium-nickel-cobalt-manganese composite oxide represented by the formula: LiNi(1-x-y)CoxMnyO2(wherein 0.5<x+y<1.0, 0.1<y <0.6). The mixing ratio by weight of the lithium-nickel-cobalt-manganese composite oxide and the lithium-manganese composite oxide is in the range of 20:80 to 80:20. The lithium-nickel-cobalt-manganese composite oxide is in the form of particles having an average diameter of 1 to 15 micrometer, and the lithium-manganese composite oxide is in the form of particles having an average diameter of 5 to 15 micrometer.
Patent KR-20020028824-A (KR)
Inventor: MIMURA YOSHIKI
IPC: H01L21/324
Filed: 2001-10-10
Abstract: PURPOSE: An apparatus and a method for heat treatment by light irradiation are provided to enable uniform heating of the wafer and to carry out heating of the guard ring with high efficiency. CONSTITUTION: Lamps of a light source part(1) are formed of wafer heating lamps and guard ring heating lamps. The distance between the guard ring heating lamps and the guard ring(3) is made larger than the distance between the wafer heating lamps and the wafer. A side wall is formed with a mirror surface(1a) is located between the lamps for wafer heating and the lamps for heating the guard ring by which the light which was emitted from the guard ring heating lamps in the direction toward the wafer are reflected toward the guard ring. Furthermore, at the outer periphery of the guard ring heating lamps, the second side wall is formed which is used as a reflection surface. In addition, at the outer periphery of the guard ring, there is the second mirror by which the light emitted outward of the guard ring is focused back onto the guard ring.
Patent KR-20020031311-A (KR)
Inventor: CHO GYU YEON
IPC: A43B21/00
Filed: 2001-10-18
Abstract: PURPOSE: Provided is a shoe heel which places a chain for accessories to a hole for a pipe in the heel to exchange the accessories so that it helps to decorate the shoe in a various way. CONSTITUTION: The shoe heel is characterized by comprising the parts of: a small-holed pipe(3) which is set at the wall side of all directions in the shoe heel to cross and insert a chain(4) from various directions of the hole for decorating the chain in a various form; and a rubber stick which is inserted into the hole of the pipe with accessories attached.
Patent KR-20030037137-A (KR)
Title: Method for preparing niobium-containing zirconium alloys for nuclear fuel cladding tubes having the excellent corrosion resistance
Inventor: BAEK JONG HYEOK
IPC: G21C3/06
Filed: 2001-11-02
Abstract: PURPOSE: A fabrication method is provided to be capable of improving a corrosion resistance by reducing that niobium exists at a supersaturated state in an alpha-zirconium matrix metal. CONSTITUTION: An ingot is fabricated by melting a mixture having a zirconium alloy composition. The ingot undergoes forging at a beta region over 1000 degrees. An annealing process is performed at a beta-phase region over 1000 degrees and then a quenching process is performed. A hot-working process is performed in a range of 600 to 640 degrees, and an initial annealing process is carried out in a range of 570 to 610 degrees. An intermediate vacuum annealing process is repeated in a range of 570 to 610 degrees during repeated cool-working processes. A final annealing process is carried out in a range of 470 to 580 degrees.
Patent KR-20030039774-A (KR)
Title: Fibre textile for ink jet printer having improved water resistance and manufacturing method thereof
Inventor: CHO JIN HAENG
IPC: B41M5/00
Filed: 2001-11-14
Abstract: PURPOSE: Provided is a fiber fabric for an inkjet printer with waterproof property improved which forms a waterproof reinforcing coating layer and a coating layer at both sides of the fiber fabric respectively so that it improves waterproof property and durability of the fiber. CONSTITUTION: The fiber fabric for the inkjet printer with waterproof property improved comprises the parts of: substrate fiber fabric(2); a waterproof reinforcing coating layer(3) which is formed by collecting waterproof reinforcing coating liquid, which consists of 40-60% of hydrophilic resin, 20-30% of absorption filler and 20-30% of hydrophobic surfactant, at one side of the substrate fiber fabric; and a back coating layer(1) which is formed by coating the rear side of the substrate fiber fabric by polyurethane binder.
Patent KR-20030042266-A (KR)
Title: LNG Nozzle for Gas Cutting
Inventor: AHN HUI JUN
IPC: B23K7/00
Filed: 2001-11-22
Abstract: PURPOSE: An LNG torch nozzle for cutting steel manufactures is provided which is capable of cutting the steel manufactures to the maximum 2000 mm using LNG in the same level obtained when cutting the steel manufactures using LPG having high unit heating value. CONSTITUTION: The LNG torch nozzle for cutting steel manufactures comprises a cutting high pressure oxygen passing nozzle (1) positioned at the center of torch; combustion gas (LNG) passing nozzles (3) formed in a circular shape in the outer part of the high pressure oxygen passing nozzle (1); and preheating oxygen passing nozzles (2) formed in a circular shape in the outer part of the combustion gas (LNG) passing nozzles (3), wherein diameter of the cutting high pressure oxygen passing nozzle (1) is 15 mm, the combustion gas (LNG) passing nozzles (3) comprise six nozzles having diameter of 5 mm in the upper side, and three double nozzles having outer diameter of 4 mm and inner diameter of 2 mm in the lower side, and the preheating oxygen passing nozzles (2) comprise eight upper double nozzles having outer diameter of 3.5 mm and inner diameter of 2 mm, four lower double nozzles having outer diameter of 3.5 mm and inner diameter of 2 mm, and two nozzles having diameter of 3.5 mm positioned in the middle of the eight upper double nozzles.
Patent KR-20030049021-A (KR)
Title: Low noise blockdown converter for koreasat number 2,3
Inventor: HAN JAE SONG
IPC: H04N7/20
Filed: 2001-12-13
Abstract: PURPOSE: A low-noise frequency converter for KOREASAT 2 and 3 is provided to cut down expenses by outputting with converting the frequency of vertically and horizontally polarized wave signals from the KOREASAT-2 or the horizontally polarized wave signal from KOREASAT-3. CONSTITUTION: A low-noise frequency converter comprises low-noise amplifiers(21-23) amplifying polarized wave signals at low noise; switch controllers(37,38) operating one of low-noise amplifiers according to the channel selection signal of satellite broadcasting; a first band pass filter(26) passing the specific band signal of output signals from the first or second low-noise amplifier; a second band pass filter(27) passing the output signal from the third low-noise amplifier; a local oscillator(30) applying the local oscillating signal to first and second mixers(28,29); first and second intermediate frequency amplifiers(31,32) amplifying the difference signal between the satellite signal and the local oscillating signal; first and second low pass filters(33,34) removing high pass signals; a multiple switch(35) selecting and outputting one of signals from first and second low pass filters; and an output amplifier(36) amplifying the intermediate frequency signal from the multiple switch. Expenses are reduced by outputting with converting the frequency of signals from the KOREASAT-2 or KOREASAT-3.