baber/WOPTO huggingface dataset:
Patent KR-20030035507-A (KR)
Title: A Dipping Apparatus Having a Leveling Device for Chip
Inventor: CHO JAE YEON
IPC: H01L21/60
Filed: 2001-10-31
Abstract: PURPOSE: A dipping apparatus having a leveling device for chip is provided to apply a uniform and precise thickness of ink by performing dipping and leveling processes while using a servo motor capable of being automatically controlled through a palette method after a plurality of chips are inserted into the hole of a carrier plate. CONSTITUTION: The carrier plate(90) into which the plurality of chips are inserted is inserted into a plate insertion apparatus(100). The first moving-up/down apparatus(110) moves up/down the carrier plate to dip the chip while holding the carrier plate while maintaining a uniform interval between an ink screen body and the carrier plate by using the servo motor as an automatic control apparatus to control the level of the chip. A dipping apparatus(120) is installed under the first moving-up/down apparatus to uniformly control and dip the level of the chip inserted into the carrier plate held by the first moving-up/down apparatus. A transfer apparatus(130) horizontally transfers the carrier plate dipped in the dipping apparatus. The second moving-up/down apparatus(140) holds the carrier plate transferred from the transfer apparatus and moves up/down the carrier plate to blot the chip. A blotting apparatus(150) is installed under the second moving-up/down apparatus to blot the chip of the carrier plate held by the second moving-up/down apparatus. A plate overturning apparatus(160) overturns the chip to dry the chip blotted in the blotting apparatus.
Patent KR-20030037281-A (KR)
Title: Cathode for CRT
Inventor: LEE JAE SEON
IPC: H01J29/04
Filed: 2001-11-01
Abstract: PURPOSE: A cathode for a cathode ray tube is provided to be capable of transmitting effectively the heat of a heater to an electron emission material layer and reducing heat loss due to the heat conduction from a sleeve to a holder. CONSTITUTION: A heater(4) for heating a cathode(100) is inserted in the upper side of a cylindrical sleeve(22). The upper side of the sleeve is covered with gaseous metal(1) which includes a very small amount of reductive elements and whose main ingredient is nickel. A holder(5) for supporting the sleeve is welded in the lower side of the sleeve. An electron emission material layer(3) is formed on the gaseous metal. The inside of the sleeve is hollow and the lower side(22a) of the sleeve contacted to the holder is formed in an uneven or a wrinkle shape so as to reduce the contacting area.
Patent KR-20020096823-A (KR)
Title: Semiconductor integrated circuit device
Inventor: KOJIMA KAZUMI
IPC: G11C7/10
Filed: 2001-11-13
Abstract: PURPOSE: To provide a semiconductor memory, in which the influence of a write-in noise for read-out operation of an adjacent cell can be reduced and stable operation can be performed, by fixing an adjacent complementary bit line to the prescribed voltage, in the case of write-in of data for a storing cell. CONSTITUTION: An address signal is inputted to a bit line short circuit signal circuit and a column switching signal circuit, and corresponding bit line short circuit signal BRS0 or BRS1 and a column switching signal CL01 or CL11 are selected. Complementary bit lines /BL1, /BL2 or BL1, BL2, to which a memory cell is not connected, are selected en bloc according to the bit line short circuit signals BRS0, BRS1, fixed to pre-charge voltage VPR, and sealing of a write-in noise is conducted. The column switch signal CL01 or CL11 turns on a corresponding column switch, and connects a selected bit lines BL1, BL2, /BL1, or /BL2 to a data bus DB or /DB.
Patent KR-20030041202-A (KR)
Title: System and method for offering lottery service connected with settlement system using cellular phone
Inventor: LEE JU HO
Filed: 2001-11-19
Abstract: PURPOSE: A system for supplying a lottery ticket service linked with a mobile telephone payment system and a method thereof are provided to induce an interest of a consumer by supplying a lottery ticket for an electronic commerce consumer using a mobile phone in an electronic commerce transaction and to enable the consumer to check a prize winning of the lottery ticket easily through a web server. CONSTITUTION: A transaction information input unit(110) receives transaction information in accordance with an electronic commerce from a mobile telephone payment system(80). A lottery number creation unit(120) creates a lottery ticket number by a predetermined method. A short message transmission unit(130) constitutes the lottery ticket number received from the lottery number creation unit(120) as a short message and transmits the short message to a mobile phone(30) of an electronic commerce consumer through a wireless businessman network(60). A web server(140) receives the lottery ticket number and prize winning money payment information included in the short message from the electronic commerce consumer through the Internet(70) and outputs prize winning contents decided by a prize winning deciding unit(150) to the electronic commerce consumer. The prize winning deciding unit(150) applies a prize winning rule to the lottery ticket number received through the web server(140), and decides a prize winning and prize winning money of a lottery ticket. A prize winning money payment unit(160) executes a payment process of the prize winning money decided by the prize winning deciding unit(150) by the prize winning money payment information received through the web server(140).
Patent KR-20030042595-A (KR)
Title: Humidity controlling healthy tile and process for the preparation thereof
Inventor: BAEK U HYEON
IPC: C04B41/50
Filed: 2001-11-23
Abstract: PURPOSE: Provided is a manufacturing method of tiles giving beneficial effects on human body by using yellow earth, fly ash, diatomite, cullet. The resultant tiles have far infrared emission, moisture-absorbing and proofing property, deodorization and sterilization. CONSTITUTION: The tile manufacturing process by dry-forming and single firing comprises the steps of: (i) preparing tile powder by ball-milling raw materials, aging and spray drying, wherein the raw materials contain 0-30wt.% of natural yellow earth, 30-50wt.% of natural clay, 30-50wt.% of porous fly ash, 10-30wt.% of diatomite, 5-15wt.% of cullet, 1-3wt.% of sodium silicate and 1-3wt.% of tannic acid lignin; (ii) forming under pressure of 250-350kg/cm2; (iii) drying at 100-150deg.C for 55-65min.; (iv) coating green tiles with a glaze(frit); (v) firing at up to 700-1000deg.C for 30-40min.; (vi) rectifying measurements of the tiles; (vii) coating tiles with photocatalytic materials by spraying a photocatalytic solution, Cu-contained TiO2 sol(5-30%), and firing at up to 600-700deg.C for 30-40min. The tile manufacturing method through dry-forming and double firing contains a firing step instead of the drying step(iii), wherein the firing condition is 600-900deg.C of maximum temperature and 0.5-5min of holding time, and total firing time is 30-40min. The tile manufacturing method by wet-forming comprises the steps of preparing a cake(20-30% of moisture) and injection forming instead of powder(step i) and press forming(step ii).
Patent KR-20030044085-A (KR)
Title: Cylinder Lead Storage Battery using Expanded Collector
Inventor: HUH SEONG HYEOK
IPC: H01M4/68
Filed: 2001-11-28
Abstract: PURPOSE: A method for preparing a current collector for a lead storage battery, a current collector prepared by the method, a method for preparing a lead storage battery using the current collector and a lead storage battery prepared by the method are provided, to enable a cylindrical lead storage battery electrode plate to be produced massively and rapidly and to improve the energy density, the lifetime and the vibration resistance of the lead storage battery. CONSTITUTION: The current collector is prepared by making the groove at the center of a lead strip(20); expanding the lead strip in both directions with the center of the groove to prepare an expanded current collector whose center parts are connected; punching the groove region with different intervals to make lug(26); and cutting the one connection part of the lug. The lead storage battery is prepared by coating the current collector with a positive electrode material and a negative electrode material, respectively, to prepare a positive electrode plate and a negative electrode plate; layering the positive and negative electrode plates with a separation plate made of absorptive glass mat and winding them under the pressure to form a cell; aging the cell; and injecting an electrolyte into the cell and conversion treating the obtained one.
Patent KR-20030044203-A (KR)
Title: kimchisavebag
Inventor: PARK YEON
IPC: A23B7/10
Filed: 2001-11-29
Abstract: PURPOSE: Provided is a bag for storing kimchi which is effective for retardation of the acidification of kimchi when delivered or stored, thereby maintaining a kimchi taste for a long time. CONSTITUTION: A bag for storing kimchi is characterized by retarding the acidification of kimchi 3-4 times by using neutralizing reaction of calcium powder. It is composed of a vacuum packing vinyl(2) and unwoven fabric(4), and egg shell powder therebetween.
Patent KR-20030045451-A (KR)
Inventor: RYU SANG UK
IPC: H01L21/3205
Filed: 2001-12-04
Abstract: PURPOSE: A semiconductor device is provided to be capable of uniformly depositing an HSQ(Hydro SilsesQuioxane) layer on metal lines by similarly forming metal dummy patterns and the metal lines. CONSTITUTION: An interlayer dielectric made of an HSQ layer(14) and a PE-TEOS(Plasma Enhanced-TetraEthOxySilane) layer(15), is formed on a semiconductor substrate(11) having lower metal lines(12a,12b,12c) and metal dummy patterns(13) for electrically isolating between the lower metal lines and upper metal lines. At this time, the lower metal lines and metal dummy patterns(13) are similarly formed and spaced apart from each other, so that the HSQ layer(14) is capable of being uniformly deposited on the semiconductor substrate(1). Preferably, the gap between the lower metal lines including the metal dummy patterns is at the range of 0.1-100 micron meter.
Patent KR-20030050496-A (KR)
Title: Terminal assembly for hermetic compressor
Inventor: KIM DONG HYEON
IPC: F04B39/00
Filed: 2001-12-18
Abstract: PURPOSE: A terminal assembly of a hermetic compressor is provided to strongly assemble parts of the terminal assembly and to easily and surely assemble the terminal assembly to a hermetic vessel. CONSTITUTION: A terminal assembly of a hermetic compressor includes a terminal board(60) mounted on the outer surface of a hermetic vessel, with having plural mount parts(61,61') for mount parts; a PTC(Positive Temperature Coefficient) part(70) secured to one of the mount parts of the terminal board, to control power supply; and a combining part disposed to the terminal board and the PTC part, to fix the PTC part to the mount part. The combining part includes fixing hooks(63) formed at both ends of the mount part, and a combining groove(74). The fixing hook has a combining protrusion(65) protruded in the insertion direction of the PTC part. The combining groove is formed to the PTC part so that the combining protrusion is fitted in the insertion direction of the PTC part. Thus, the PTC part is strongly mounted to the mount part, and the mounting the terminal assembly to the hermetic vessel is facilitated.
Patent KR-20030050735-A (KR)
Title: Transistor structure using epitaxial layers and manufacturing method thereof
Inventor: YOON JAE MAN
IPC: H01L29/78
Filed: 2001-12-19
Abstract: PURPOSE: A transistor structure using epitaxial layers and a method for manufacturing the same are provided to be capable of increasing the channel length of the transistor structure by forming non-planar channel structure. CONSTITUTION: A groove is formed by an epitaxial layer(38) and a silicon substrate(30), so that a channel region has a non-planar channel structure. Namely, the non-planar channel region includes the first overlapped region between a gate electrode and the epitaxial layer(38) deposited on the silicon substrate(30) and the second overlapped region between the gate electrode and the silicon substrate(30). At this time, the length of the non-planar channel region equals the sum of the first and second length of the first and second curved region(62,64) formed between a source/drain region(52) and the silicon substrate(30), and the third length of the third region(60) between the epitaxial layer portions.
Patent KR-20030050825-A (KR)
Title: The centrifugal blower for a cleaner
Inventor: RYU HO SEON
IPC: A47L9/00
Filed: 2001-12-19
Abstract: PURPOSE: A centrifugal blower for a vacuum cleaner is provided to reduce noise, and to improve blowing efficiency by inclining an outlet of an impeller and an inlet of a diffuser for flowing air between the impeller and the diffuser actively. CONSTITUTION: A centrifugal blower comprises an impeller(54) rotated and installed in an impeller cover including an intake port(52a); a motor(60) combined with the lower part of the impeller cover, installed in a motor housing(53) having plural discharge outlets(53a), and connected to the impeller by a rotating shaft(59) to rotate the impeller; a diffuser(56) installed around the impeller to transfer air from the impeller; and a guide vane(58) installed in the lower part of the diffuser to guide air from the diffuser to the motor. An outlet(54b) of the impeller and an inlet(56a) of the diffuser are inclined to the rotating shaft. Noise is reduced, and blowing efficiency is improved by moving air from the outlet of the impeller into the diffuser.
Patent KR-20030052202-A (KR)
Title: Production method of steel plate for offshore structure
Inventor: KIM GYEOL SIL
IPC: B21B3/00
Filed: 2001-12-20
Abstract: PURPOSE: A method for manufacturing steel plates with thickness of greater than 50 mm and yield strength of 420 MPa for offshore structure is provided, which is characterized in that it is possible to produce high strength steel plate by controlling hot rolling conditions with no addition of Ni and Cu. CONSTITUTION: The method includes the steps of heating a steel slab comprising C 0.06 to 0.08 wt.%, Mn 1.4 to 1.5 wt.%, Si 0.2 to 0.3 wt.%, Nb 0.010 to 0.015 wt.%, Ti 0.01 to 0.02 wt.%, 0.02 wt.% or less of P, 0.01 wt.% or less of S, a balance of Fe and incidental impurities in the temperature range of 1100 to 1250°C; hot rolling the steel slab in dual phase region less than Ar3 transformation temperature at a cumulative reduction ratio of greater than 50 %; and accelerated-cooling the steel sheet to cooling termination temperature of less than 350 deg.C.
Patent KR-20030053215-A (KR)
Title: Fabricating method of liquid crystal display
Inventor: CHO HEUNG RYEOL
IPC: G02F1/1333
Filed: 2001-12-22
Abstract: PURPOSE: A method for fabricating a liquid crystal display is provided to fabricate a thin film transistor array substrate using four masks without using a diffraction mask. CONSTITUTION: A gate electrode(410) is formed on a substrate(400), and a gate insulating layer(430), an active layer(436), a metal layer and an interference metal layer are sequentially formed on the substrate. The metal layer and interference metal layer are patterned into a predetermined pattern. The active layer is selectively etched using the metal layer and interference metal layer pattern. The interference metal layer is etched. The metal layer pattern serves as source and drain electrodes(408,412). A passivation layer(438) is formed on the semiconductor layer, source and drain electrodes, and selectively etched to form a contact hole exposing the drain electrode. A pixel electrode(414) is formed on the passivation layer to be connected to the drain electrode through the contact hole.
Patent KR-20030053749-A (KR)
Inventor: CHA SANG YUN
IPC: C21D8/12
Filed: 2001-12-24
Abstract: PURPOSE: A method for manufacturing grain-oriented electrical steel sheet with superior magnetic property is provided. CONSTITUTION: The method includes the steps of reheating a steel slab comprising C 0.02 to 0.1 wt.%, Si 1.0 to 4.8 wt.%, 0.006 wt.% or less of S, sol.Al 0.01-0.05 wt.%, Mn 0.05 to 0.2 wt.%, 0.01 wt.% or less of N, 0.001 wt.%<=B<=0.012 wt.%, a balance of Fe and incidental impurities at 1200 to 1300 deg.C; hot rolling the steel slab, wherein initial temperature of hot rolling is less than 1150°C and finish hot rolling temperature is higher than 950°C; annealing and cold rolling the hot rolled steel strip; conducting decarburization and nitriding-annealing at the same time or separately; and annealing it at high temperature. The method is characterized in that, in the case that nitriding process is performed after decarburization annealing, the decarburization annealing is performed at 800 to 900 deg.C in a wet mixed atmosphere of nitrogen and hydrogen before nitriding-annealing process performed at less than 800 deg.C in a dry mixed atmosphere of hydrogen and nitrogen while supplying ammonia gas, while in the case that decarburization and nitriding are performed at the same time, the combined process is performed in a dry mixed atmosphere of hydrogen and nitrogen at 820 to 920 deg.C while supplying a small amount of wet ammonia gas.
Patent KR-20030054387-A (KR)
Title: Strip moving roller table with means for preventing eccentric movment of strip
Inventor: CHOI WON GUK
IPC: B65G47/14
Filed: 2001-12-24
Abstract: PURPOSE: A strip conveyance table device having a function of preventing jam of a strip is provided to effectively prevent the distal end portion from being overlapped by preventing the strip leaning to one side during conveyance and to improve productivity. CONSTITUTION: A strip conveyance table device having a function of preventing jam of a strip has a motor side-movable bases(5,5a,5b), a roller side-movable bases(11,11a,11b), a motor side-fixed bases(9,9a,9b), a roller side-fixed bases(6,6a,6b). Table up/down cylinders(8,8a,8b) are mounted to the movable bases. Each motor and roller are operated by up/down shafts(10,13). A connecting unit is up/down operated and fixed by carrier bars. The strip conveyance table device receives a detection signal when the strip leans to one side in conveying the strip and forms a rake angle around the center of a table by operating the table up/down cylinders installed to the motor and roller sides and then advances the strip into the center of the table.
Patent KR-20030054685-A (KR)
Title: Magnetic memory cell for symmetric switching characteristics
Inventor: JANG IN U
IPC: H01L21/82
Filed: 2001-12-26
Abstract: PURPOSE: A magnetic memory cell for symmetric switching property is provided to be capable of reducing demagnetization filed and improving symmetric switching property by controlling coupling field of a pinned layer and a free layer. CONSTITUTION: A magnetic memory cell for symmetric switching property comprises the first ferroelectric layer(21), a spacer(22), a seed layer(23), an anti-ferroelectric layer(24), the second ferroelectric layer(25) as a pinned layer, an insulating layer(26), and a free layer(27). The seed layer(23) and the second ferroelectric layer(25) have same magnetization direction. By controlling the thickness of the spacer(22) and the coupling field, the demagnetization field is reduced.
Patent KR-20030055481-A (KR)
Title: Method For Preparing Polyolefin Resin With Long Chain Branch
Inventor: HONG MYEONG SEON
IPC: C08F110/00
Filed: 2001-12-26
Abstract: PURPOSE: A method for preparing a polyolefin resin having a long side chain is provided, wherein the polyolefin has a long side chain having the distribution of molecular weight of 7 or more, the wide distribution of molecular weight and an excellent processability. CONSTITUTION: The polyolefin is prepared by using an initiator having at least two peroxide groups in the tubular process. Preferably the polyolefin is low density polyethylene or ethylene vinyl acetate; and the initiator is di-t-butyl peroxy butane and di-t-butyl peroxy octane.
Patent KR-20030055702-A (KR)
Title: File security system by using a security class and method for managing security key
Inventor: DOO SO YEONG
IPC: G06F21/62
Filed: 2001-12-27
Abstract: PURPOSE: A file security system using a security level and a method for managing an encryption key are provided to encrypt or decrypt a file having the security level by using the encryption key of each security level, and to offer the file to a user, or save the file in a disk. CONSTITUTION: The disk(130) stores the encryption key matched with the security level set by an access control module(120), a key file storing the encryption key, and the file encrypted by the encryption key. A kernel memory(140) stacks the encryption key stored in the disk(130) according to the driving of the encryption file system(110). The encryption file system(110) draws out the encryption key matched with the security level of the file to read or stored by the user from the kernel memory(140), and transmits the file decrypted or encrypted by the encryption key to the user, or stores the file in the disk.
Patent KR-20030057783-A (KR)
Title: Method of preparation of non-aqueous dispersion resins for car paints
Inventor: JANG SEONG CHEOL
IPC: C09D133/08
Filed: 2001-12-29
Abstract: PURPOSE: Provided is a method for producing a non-aqueous dispersion resin for automobile coating, which overcomes whole disadvantages of existing non-aqueous dispersion resin, and can form a durable and beautiful coating film. CONSTITUTION: The method comprises the steps of (i) addition reacting 30-60 wt% of steric repellent layer which is compatible with dispersion solvent and is formed by reacting a polyhydroxy-stearic acid having average molecular weight of 2000 or less, and an acryl monomer having glycidyl copolymer, and a reactive mercaptan, wherein a part of urethane bond is introduced into the steric repellent layer, 10-30 wt% of adsorbent layer which is compatible with the dispersion polymer particles and comprises an acid value and epoxy group, and solvents, as main ingredients, so as to form a dispersion stabilizer; and (ii) mixing 3.0-30 wt% of the dispersion stabilizer, 52-80.5 wt% of acrylic monomer, 0.3-8.0 wt% of polymerization initiator, and 1-20 wt% of ethylenically unsaturated monomer containing at least two hydroxyl group in molecule.
Patent KR-20030059511-A (KR)
Title: Self-extinguishing heat cured silicone rubber compositions
Inventor: JUN YUN SU
IPC: C08L83/00
Filed: 2001-12-29
Abstract: PURPOSE: A self-extinguishing thermal curing silicone rubber composition and a silicone rubber obtained by curing the composition are provided, to improve the tensile strength, the tear strength and the self-extinguishing property. CONSTITUTION: The silicone rubber composition comprises 100 parts by weight of a silicone crude rubber; 10-100 parts by weight of a silica filler having a specific surface area of 100-300 m2/g and an average particle size of 7-16 nm; 0.001-1 parts by weight of a platinum compound (platinum is diluted in an organic material by the amount of 5 % or less); 0.001-1 parts by weight of an azo compound; 0.001-3 parts by weight of a rare earth metal compound (cerium is diluted in an organic material by the amount of 5 % or less); 1-40 parts by weight of iron oxide (FeO, Fe2O3, Fe3O4); 1-20 parts by weight of titanium oxide; 1-40 parts by weight of calcium carbonate; 1-40 parts by weight of aluminum hydroxide; 1-60 parts by weight of an extender (diatomite or quartz powder having a particle size of 100 micrometers or less); 0.1-5 parts by weight of a processing aid; 0.01-1 parts by weight of an internal releasing agent; and 0.5-3 parts by weight of an organic peroxide.