baber/WOPTO huggingface dataset:
Patent KR-20020000048-A (KR)
Title: Method of manufacturing a capacitor in a semiconductor device
Inventor: YOO YONG SIK
IPC: H01L27/108
Filed: 2000-06-20
Abstract: PURPOSE: A method for manufacturing a capacitor of a semiconductor device is provided to increase reliability and to form a capacitor having high capacitance even in a device of 0.1 micrometer, by making a diffusion barrier layer no exposed even when misalignment happens, so that a high-temperature annealing process is enabled. CONSTITUTION: The first oxide layer(12) and a nitride layer(13) are formed on a semiconductor substrate(11) having a predetermined structure. A predetermined region of the nitride layer and the first oxide layer is etched to form a contact hole exposing a predetermined region of the semiconductor substrate. A polysilicon layer(14), an ohmic contact layer and a diffusion barrier layer(16) are sequentially formed not to bury the contact hole completely. A seed layer(17) and an aluminum oxide layer are formed on the resultant structure, and the aluminum oxide layer is blank-etched to form a spacer on the sidewall of the contact hole. A glue layer and the second oxide layer are sequentially formed on the resultant structure. A predetermined region of the second oxide layer and the glue layer is etched to form a dummy oxide layer pattern. After the aluminum oxide layer spacer is eliminated, a platinum layer(21) is formed on the dummy oxide layer pattern to form a storage electrode. The second oxide layer, the glue layer and the exposed seed layer are removed. After a high dielectric layer(22) is formed on the resultant structure, an upper electrode(23) is formed.
Patent KR-20020000611-A (KR)
Title: Lubrication structure for rotary compressor
Inventor: HAN JEONG MIN
IPC: F04B39/00
Filed: 2000-06-26
Abstract: PURPOSE: A lubrication structure for hermetic rotary compressor is provided to prevent noise or damage of parts by allowing the space formed between the bearing and the eccentric portion of the rotating shaft to be constantly filled with a predetermined amount of lubrication oil. CONSTITUTION: A hermetic rotary compressor includes a motor unit installed in a casing filled with a predetermined amount of oil; a rotating shaft having an eccentric portion and which is coupled to the rotor of the motor unit; a cylinder coupled to the casing, and which has an internal space for accommodating the eccentric portion of the rotating shaft; and a vane elastically coupled to the cylinder, and which divides the internal space of the cylinder into a suction area and a compression area during rotation of the rotating shaft. An oil flow channel is formed in an axial direction within the rotating shaft, so as to absorb the oil from the casing and feed the absorbed oil to a frictional surface. The cylinder which slide contacts the eccentric portion of the rotating shaft, has a bearing surface where an oil storage groove(100) for storing the oil fed through the oil flow channel and feeding the stored oil to the bearing surface.
Patent KR-20010007534-A (KR)
Inventor: TATEYAMA YOSHIKUNI
IPC: B24B37/00
Filed: 2000-06-27
Abstract: PURPOSE: To provide sufficient operation of a polishing particle when a surface active agent separates at polishing time since an absorbing state of the surface active agent to the polishing particle becomes weak physical adsorption by using negatively charged polishing particles as an abrasive for performing chemical mechanical polishing processing, and adding an anionic water soluble high polymer surface active agent. CONSTITUTION: A polishing machine receiver 23 is arranged on a stage 21 via a bearing 22, and a polishing machine 24 is installed on it. Polishing cloth 25 for polishing a wafer is stuck on it. A driving shaft 26 is connected to these central part to rotate the polishing machine receiver 23 and the polishing machine 24. This shaft rotates via a rotary belt 28 by a motor 27. The wafer is arranged in a position opposed to the polishing cloth 25, and is fixed to sucking cloth 30 and a template 29 installed on a sucker 31 by vacuum or water filling. A driving stand 36 vertically moves, and an abrasive is supplied between the wafer fixed to the sucker 31 and the polishing cloth 25 to polish the wafer.
Patent KR-20020005237-A (KR)
Title: Flame Retardant Thermoplastic Resin Composition
Inventor: LEE JE HEUN
IPC: C08K5/5399
Filed: 2000-07-04
Abstract: PURPOSE: Provided is a fire retardant and thermoplastic resin composition which does not contain halogen compounds so that there is no pollution problem when processing or burning. The composition, by using a phosphate-based flame retardant such as alkyl phosphoramidite, minimizes the degradation of physical properties of the thermoplastic resins such as impact strength. The resin composition is used in housing the electronic products and molded product because it has good workability when injection molding and does not produce black streaks. CONSTITUTION: The resin composition comprises: (A) 100 parts by weight of one kind of thermoplastic resins; (B) 1-35 parts by weight of alkyl phosphoramidite of structure (I), wherein R1 is aryl or substituted aryl, R2 and R3 are each C1-C8 alkyl and m is an integer 1 or 2; and additives such as anti-static agent, stabilizer, releasing agent, 0-60 parts by weight of an inorganic additive to 100 parts by weight of (A), dye and pigment. The thermoplastic resin (A) is polyolefin type resin, diene type resin, polyamide resin, polyester resin, polycarbonate resin, polyphenylene ether resin and other thermoplastic resins such as polyalkylacrylate, polyalkylmethacrylate, polyarylamide, polyacrylonitrile, vinyl carboxylic acid such as polyacryl acid and their derivatives.
Patent KR-20010049710-A (KR)
Inventor: KASE KAORU
IPC: E02D29/12
Filed: 2000-07-05
Abstract: PURPOSE: To provide a connection box for underground piping, in which a seal member is not damaged by vibration such as earthquake, the seal member is not separated and the connection box does not rust to open holes even when they are used for a long time, and in which oil in the connection box does not flow out to contaminate the inside of the connection box. CONSTITUTION: In this connection box 4 in which pipings 3, 5 connecting an oil operation apparatus provided on the ground to an oil storage tank 2 are buried underground and which accommodates the connection part of the pipings 3, 5, the connection box 4 is made of fiber-glass reinforced resin or polyethylene resin, plural insertion holes 4a are drilled in the wall face of the connection box 4, and oil proof rubber seal members 8 for watertightly installing the pipings 3, 5 to the connection box 4 are provided in the insertion holes 4a.
Patent KR-20000063451-A (KR)
Inventor: KOO BON GWANG
IPC: H02M7/00
Filed: 2000-07-13
Abstract: PURPOSE: A power source converting device for a PWM high frequency ladder wave is provided to reduce the noise of the power source converting device and improve the efficiency of the device. CONSTITUTION: A power source converting device for a PWM high frequency ladder wave comprises a control power source and driving power source supplying section(100), an input filtering section(110), a DC-DC converter section(120), a ladder wave switching section(130), an LC filter section(140), an output circuit(150), a detecting section(160), a polarity converting circuit(170), a delaying circuit(180), a driving power source supplying circuit(190), a voltage controlling section(200), an over-current protecting circuit(210), and a ladder wave pulse generating section(220). The voltage controlling section(200) connects the output voltage to an ERR AMP input terminal of a PWM IC and stabilize the output voltage of the ladder wave.
Patent KR-20020007087-A (KR)
Title: Manufacturing Process Of Microwave Interrupting Plate In Microwave Oven
Inventor: KIM HYANG GI
IPC: F24C15/02
Filed: 2000-07-15
Abstract: PURPOSE: A microwave interrupting plate production method is provided to enhance productivity and reduce the cost by simplifying a producing process. CONSTITUTION: A microwave oven door contains a door screen showing how much food is done, a cover frame supporting the door screen in front of the door screen and a rear door plate combined with the cover frame. A microwave interrupting plate(50) is attached to the rear side of the rear door plate with many microwave interrupting holes(55). The microwave interrupting plate is produced by cutting a plate shaped sheet(60) in a certain size and forming a recessed groove(70) in the middle of the cut plate shaped sheet. Then, the sheet is outwardly bent along the circumference of the recessed groove with a certain separation from the recessed groove. Then, plural notches(80) are formed on one part of the edge of the sheet and microwave interrupting holes are formed on the part of the recessed groove at the same time. Secondly, plural notches are formed on the other part of the edge of the sheet. A hook groove(85) is formed along the edge of the sheet and microwave interrupting holes are formed on the other part of the recessed groove. The sheet is inwardly bent with the notches and microwave interrupting holes are formed on the last part of the recessed groove. Finally, the notches are inwardly bent to face the edge of the sheet to the recessed groove and the microwave interrupting plate is completed with many microwave interrupting holes. Therefore, productivity is increased and the cost is reduced due to the simple process.
Patent KR-20020010176-A (KR)
Title: An accounting system via internet and the method thereof
Inventor: PARK CHEOL U
Filed: 2000-07-27
Abstract: PURPOSE: A system and a method for processing accounts using the Internet are provided to manage the total process of accounts related businesses through the Internet at a low price. CONSTITUTION: A manager web server(10) controls an Internet communication and performs an accounts service. An accounts processing server performs a CGI and performs an accounts process by linking with an Oracle database server. A plurality of client computers may be connected to the web server(10) through the Internet communication unit. A plurality of a licensed tax accountant/treasurer computers may be connected to the web server(10) through the Internet communication unit. A plurality of MDB(Microsoft access database) modules loads necessary data out of data being stored in the Oracle database server and the accounts processing server through a CGI, and performs a storing operation in accordance with a control signal of the client computer and the tax accountant/treasurer computer.
Patent KR-20010049986-A (KR)
Inventor: JU JIN SU
IPC: B01D39/02
Filed: 2000-08-04
Abstract: PURPOSE: Disclosed are a non-woven fiber having a high permittivity and preparing method thereof. CONSTITUTION: The non-woven fiber is prepared by the following steps: a preparation step of a fiber from the mixing spinning of 10 wt% poly vinylidene fluoride (PVDF) and 90 wt% polypropylene (PP), a polarization treatment step to increase a permittivity, and a preparation step of a non-woven fiber. The prepared fiber from the spinning has 10-14 μm of thickness to get a high permeable efficiency of an electrostatic filter. In the polarization treatment, β-type PVDF is preferable to α-type in order to increase the electric charge, and to wind and to unwind the fiber is operated iteratively. The prepared fiber has an optimal density of 250-300 g/cm2.
Patent KR-20020018364-A (KR)
Inventor: BAEK TAE SUN
IPC: A63B53/04
Filed: 2000-09-01
Abstract: PURPOSE: A scope putter is provided to improve a user's ability to concentrate all energies to look around a putting lane as if the user uses a microscope or a telescope, and to maximize the effect of after-image. CONSTITUTION: The D-shaped putter(1) having a relatively wide surface area is provided with a penetrating hole extending vertically in the center upper portion, and a lens(3) surrounded by a rim(4) of a vivid color. The lens is inserted through the penetrating hole by using a step portion formed around the penetrating hole, or an adhesive or a fixing ring. According to the putter mounted with the lens as stated above, it is possible to effectively help a user to recognize the condition of green accurately.
Patent KR-20020018806-A (KR)
Title: Top nozzle automatic attaching apparatus with refractory pouring function
Inventor: HAN HUI YUN
IPC: B22D11/00
Filed: 2000-09-04
Abstract: PURPOSE: A top nozzle automatic attaching apparatus with refractory material pouring function is provided which easily attaches a top nozzle used in a sliding gate in continuous casting, easily removes waste refractory materials and pours the refractory material into the top nozzle without dropping. CONSTITUTION: The top nozzle automatic attaching apparatus with refractory material pouring function comprises a top nozzle attaching body part(10) which is connected to a control box(7), and at a body of which a back and forth moving and waste refractory material removing means(27) is installed; a back and forth moving support plate part coupled to the lower part of the top nozzle attaching body part; a support and insertion shaft part(37) which is coupled to the lower part of the back and forth moving support plate(37) so that the support and insertion shaft part is vertically ascended or descended according to the operation of a cylinder(21); and a refractory pouring part supplying the refractory material to a pouring part of the top nozzle attaching body.
Patent KR-20000072438-A (KR)
Title: Catheter
Inventor: LEE GEUN HO
IPC: A61M25/00
Filed: 2000-09-04
Abstract: PURPOSE: A catheter is provided to push out body fluids in a cranial hollow without infection and to inject hematoma solvent in the state that the brain pressure is constantly maintained. CONSTITUTION: A catheter comprises a long tube portion(110) which consists of a nonpoisonous transparent material having a flexibility. A bidirectional interconnection portion(160), which has two flow channels, is inserted in a rear part of the long tube portion(110) with an interconnection hole(120) interposed therebetween. Second and third interconnection members(140,150) are selectively joined with diverged channels of the bidirectional interconnection hole(160). An injection member(170) has a needle part(174) inserted in a front part through an insertion hole(153) exposed at a rear part of the third interconnection member(150). A fourth interconnection member(180) has a sealing member(181) inserted in a receiving groove(171) which is formed from one side of the injection member(170).
Patent KR-20000072492-A (KR)
Inventor: JANG HWANG JIN
Filed: 2000-09-06
Abstract: PURPOSE: An instant lottery sales system is provided to allow a user to peel coating off the lottery ticket, and check if the lottery ticket wins a prize or not such that the user may take an interest. CONSTITUTION: An instant lottery sales system comprises an internet site(2), an internet server(6), a coating peeler(8), a reader(10), and a game program(12). The internet server(6) allows a user to access the internet site(2) via an internet terminal. The coating peeler(8) peels the coating off the lottery ticket. The reader(10) reads characters, symbols or pictures printed in the lottery ticket, and checks if the lottery ticket draws a winning lot. The game program(12), loaded in the internet server(6) and operated by the user, displays the game result corresponding to the lottery ticket winning check of the reader(10).
Patent KR-20020021279-A (KR)
Title: electronic whiteboard system
Inventor: YOO UK JONG
IPC: G06F3/03
Filed: 2000-09-14
Abstract: PURPOSE: An electronic board system is provided to sense an operation of a writing tool on a board and to process board information in accordance with the sensing process by mounting a sensor in the general board. CONSTITUTION: A board(11) includes sensors(111,112,113,114) capable of sensing an operation of writing tools as a pen and an eraser. A tool managing unit(12) stores the writing tools when the writing tools are not used. A computer(13) receives processed contents from the board(11) and the tool managing unit(12) and checks general boards state totally. The board(11), the tool managing unit(12), and the computer(13) are connected by a cable as an RS-232C. The sensors(111,112,113,114) are classified with a sensor signal transmitting units(111,112) and a sensor signal receiving units(113,114). The board(11) mounts the sensors(111,112,113,114) at the four sides thereof. The distance from the board(11) to the sensors(111,112,113,114) is about 5mm, respectively. The sensors(112,113) are horizontal sensors. The sensors(111,114) are vertical sensors.
Patent KR-20010044099-A (KR)
Inventor: HUH BANG UK
IPC: A61L2/10
Filed: 2000-09-19
Abstract: PURPOSE: An ultra-violet ray and ozone generator by using microwave is provided which effectively sterilizes a large amount of drink within a short period of time and continuously and efficiently sterilizes and purifies a large amount of water in a swimming bath. CONSTITUTION: The device comprises: (i) a sterilizing chamber(16) which is formed on one side of a housing(10) and has an upper part inlet(12) and a lower part outlet(14); (ii) a transparent partition wall(18) which is installed near the sterilizing chamber; (iii) many non-electrode typed ultra-violet ray lamps(20) which are placed on the transparent partition wall to face the front side of lamps toward the sterilizing chamber; (iv) a waveguide(22) which is on the rear side of the transparent partition wall and is wide-open toward the ultra-violet lamp; (v) a microwave generator(24) which is installed on the end part of the waveguide; (vi) an air inlet pipe(26) which is formed on the bottom side of the sterilizing chamber; and (vii) an air outlet pipe(28) which is formed on the upper side of the sterilizing chamber.
Patent KR-20020022331-A (KR)
Title: Auto-Calculation System of Price, Customs & Freight for E-Commerce.
Inventor: LIM GYEONG SEOP
IPC: G06Q99/00
Filed: 2000-09-19
Abstract: PURPOSE: An automatic summing system for the price, the tariff and the transport cost in EC(Electric Commerce) is provided to suggest a total expense on a site to each country user when an abroad user visits the automatic summing site to buy a product. CONSTITUTION: The system comprises a price database(10), a tariff and value added tax database(11) and a transport database(12), and changes, maintains and manages each database. In case that a user connects to the site, the user performs a user registration and the registration path includes a nation selection. When the user requests an order in the site in order to buy a product, the user performs the expense view through an order product selection input and is able to see a transport company selection, an arrival location selection and a country selection together with a total expense.
Patent KR-20020022993-A (KR)
Title: A color cathode ray tube integrated with deflection circuit
Inventor: KIM JI HYEON
IPC: G09G1/04
Filed: 2000-09-22
Abstract: PURPOSE: A deflection circuit integrated cathode ray tube is provided to design a deflection circuit and reduce manufacture cost of a deflection circuit and a deflection yoke and heat radiation of the deflection circuit. CONSTITUTION: A deflection circuit integrated cathode ray tube comprises a deflection yoke and a deflection circuit mounted on the deflection yoke. The deflection yoke includes a synchronization separation circuit-deflection circuit board, a signal input connecting unit(41-2) of the synchronization separation circuit-deflection circuit board, a high voltage input connecting unit(44-2) of the synchronization separation circuit-deflection circuit board. The deflection circuit board(40) is adhered to a funnel between the deflection yoke and the high voltage input connecting unit(44-2) vertically to a display screen of the cathode ray tube. The deflection circuit board(40) may be arranged parallel to a short edge of the display screen.
Patent KR-20000072750-A (KR)
Inventor: BAE BONG SOO
IPC: G06Q20/18
Filed: 2000-09-23
Abstract: PURPOSE: A method for managing a game room with personal computers manually using an automatic card vending machine is provided to enable a management program to automatically calculate the fee for using of the game room by selling the card using the vending machine or by allowing a manager to sell the card at firsthand. CONSTITUTION: If a customer requests access to the computers in the game room so as to use them by inputting an identification number of the card, the management program determines whether the identification number equals to a number stored in the program in advance. If the identification number corresponds to the stored number, the management program allows the customer to use the computers therein, and decrease the money in the card by the use fee in real time. The identification number may be inputted into the card by the customer manually, or set thereinto by a diskette in which the identification number is stored. The card and the diskette are sold with each other.
Patent KR-20020025339-A (KR)
Title: Capacitance measuring meter electrostatic Precipitator Using Current Pulse Width
Inventor: CHO CHANG HO
IPC: G01R27/26
Filed: 2000-09-28
Abstract: PURPOSE: An apparatus is provided to generate a high voltage in order to reduce a leakage current component and exactly measure a capacitance of the electric dust collector using a current pulse width. CONSTITUTION: A DC power supply(20) includes a rectifier(2), an inductor(3) and a capacitor(4). The rectifier(2) converts a single phase alternating current power into a variable direct current power. The inductor(3) and capacitor(4) induces the variable direct current power. A resonance inverter(30) applies the induced power from the DC power supply(20) using first at least one switching element(S1,S2,S3,S4). A resonance frequency determining section(40) includes a second switch element(S5) for detecting a switching time of the resonance inverter(30) and determines a resonance frequency from the second switch element(S5). A control circuit(7) measures a pulse width of a current generated when a current amplitude becomes zero according to a resonance period and calculates a resonance frequency according to the measured pulse width.
Patent KR-20020030202-A (KR)
Title: System and method for providing moving service by using internet
Inventor: HUH HUI DO
Filed: 2000-10-16
Abstract: PURPOSE: A house moving service system and method is provided to enable a user to present a house moving expense over the internet, to enable a house moving agent business companies to offer services corresponding to the expense, and to enable the user to select one proper house moving agent business company. CONSTITUTION: The method comprises steps of a user inputting user data and informations on a building or goods, the user inputting an expense of a house moving after considering a standard expense, the user requesting a bid for the house moving with a bid closing date, a house moving agent business company accessing a service site(S41), the company selecting a menu of a bid bulletin(S44), the company displaying data on users currently participating in a house moving bid(S45), the service site asking the company of a participation of the house moving bid(S46), the service site displaying service items to be offered by the company(S47), the company checking possible ones among the displayed service items(S48), the service site storing the checked service items at a database(S49), the service site enabling the user to display the service items offered by a corresponding company, the service site enabling the user to select one proper company, and the service site enabling the user to make a contract with the selected company.