baber/WOPTO huggingface dataset:
Patent KR-20020018145-A (KR)
Inventor: KURIHARA TOSHIMICHI
IPC: H01L23/047
Filed: 2001-08-30
Abstract: PURPOSE: A semiconductor device and a manufacturing method thereof are provided to improve the reliability and performance of a resin sealed package equipped with radiating plate . CONSTITUTION: The lower end of a resin wall(40) is bonded to a radiating plate(20), and a lead(30) is fixed to extend through the resin wall. After a semiconductor chip(1) is bonded thereto, a resin lid(50) is put to seal the semiconductor chip. Recessed parts for burying the lower end of the resin wall(40) are formed on the side parts of the radiating plate(20), and protruding parts are further provided within the recessed parts. The lead(30) has holes formed on the package outer part and the resin wall inner part. The loading surface of the semiconductor chip is finished with silver plating, and the package exterior and the lead are plated with gold. The shape fitted to the resin wall is imparted to the resin lid, and the resin lid is further formed into a vertically plane symmetric shape.
Patent KR-20010089849-A (KR)
Inventor: LEE KYUNG RYUN
IPC: A01K61/00
Filed: 2001-08-29
Abstract: PURPOSE: A method for producing black pearls is provided to increase the value of the pearls and to stimulate the desire of purchasing than the general white pearls. CONSTITUTION: The method for producing the black pearls comprises the steps of; propagating an ovarian film of pearl oysters into a secreting film by inserting a piece dyed in black after inserting a core; collecting the pearls after 20 to 24 months; redying the pearls in black after sorting only the pearls of good quality; performing the operation of the pearls in the oysters without the piece, and collecting the pearls after 20 to 24 months; redying the pearls in the purpose of make-up for improving the value of product.
Patent KR-20030025354-A (KR)
Title: Fabrication method of blue light emitting ZnO thin film phosphor
Inventor: CHOI WON GUK
IPC: C09K11/54
Filed: 2001-09-20
Abstract: PURPOSE: A method for preparing a blue emitting ZnO thin film fluorescent substance is provided, to prepare a ZnO thin film by simple heating throughout no alloy by the addition of aluminum. CONSTITUTION: The method comprises the steps of heating a dopant-added ZnO thin film-deposited substrate rapidly under a gas condition in a heat treatment reactor. Preferably the substrate is made of silicon or sapphire single crystal; the gas is hydrogen; and the dopant is selected from the group consisting of aluminum, indium, gallium and their mixtures. The heating is carried out by increasing the temperature inside the reactor by 1-100 deg.C per second, and the temperature inside the reactor is maintained to be 600-1,000 deg.C for 3 sec to 20 min after heating. The ZnO thin film is formed by RF magnetron sputtering.
Patent KR-20020024549-A (KR)
Inventor: HORIKOSHI SATOSHI
IPC: B23K26/00
Filed: 2001-09-24
Abstract: PURPOSE: A laser beam machining device in which the problem of a first pulse is solved by a simple construction and a stable control, and the peak value of an outputted pulse laser beam is arbitrarily varied is provided. CONSTITUTION: The device is provided with an optical switch unit(9), which is located in an optical path between a work to be machined with a laser beam and a Q-switched type laser oscillator(6) and is controlled for opening and closing by an optical switching pulse, and a control unit(3) which generates a Q-switch frequency pulse having a repeated frequency specified by I/O data which describe the operation timings of a Q-switch unit(8) and of an optical switch unit(9), generates and outputs a Q-switch control pulse, whose pulse width is specified as a pumping term by the I/O data at every period of the Q-switch frequency pulse, while being synchronized with the Q-switch frequency pulse, and generates and outputs an optical switch pulse, whose pulse width is the term set as a passing term of the laser beam, while being synchronized with the Q-switch frequency pulse.
Patent KR-20030026739-A (KR)
Title: the method and the system for management of component informations using a Repository
Inventor: BAEK JONG MYEONG
IPC: G06F9/45
Filed: 2001-09-28
Abstract: PURPOSE: A component data management method and system is provided to reuse components produced in advance and geographically distributed based on a repository so that it can enhance a component reusability. CONSTITUTION: The method comprises several steps. A server receives an application component usage request signal from a client terminal(S1), and then transmits classification data on stored components to the client terminal(S2). The server determines whether the user requests detailed data on the classification data(S3), and transmits a component list and corresponding characteristics data to the client terminal if the user requests detailed data(S4). The server determines whether the user requests component data corresponding to the component list(S5), and transmits the component data to the client terminal(S6). In a case that there exists a change at the transmitted component data(S7), the server stores the classification data, the component list and the characteristics data corresponding to the component data(S8) and stores the corresponding component data at a repository(S9). In a case that a user requests the server to produce a new component not included in the component list, the server transmits data on a new component to a user for producing the new component. The server receives the new produced component data from the user and stores it.
Patent KR-20020027259-A (KR)
Inventor: ABE SATOSHI
IPC: B29C67/00
Filed: 2001-10-05
Abstract: PURPOSE: An apparatus and a method are provided which form a three-dimensional object within a short period of time, and which are capable of smoothly finishing the surface of the object inexpensively regardless of the shape of the three-dimensional object. CONSTITUTION: The method for forming a three-dimensional object comprises the steps of (a) forming a sintered layer by irradiating optical beam on a predetermined portion of a powder layer; (b) covering the sintered layer with a new powder layer; (c) forming an another sintered layer integrated with the sintered layer positioned underneath by irradiating optical beam on a predetermined portion of the new powder layer; (d) forming several sintered layers each of which are integrated and have a size greater than that of the target shape of the three-dimensional object by repeating the steps (b) and (c); and (e) removing the surface region of a forming object formed during the step (d). The apparatus for forming a three-dimensional object comprises a powder layer forming unit(2) for forming a powder layer; a sintered layer forming unit(3) for forming a sintered layer(11) by irradiating optical beam on a predetermined portion of the powder layer(10); a distance controller for controlling distance between the sintered layer forming unit and the sintered layer; and a surface layer removing unit(4) for removing a surface layer having density lower than that of the sintered layer.
Patent KR-20010099472-A (KR)
Title: 폐열회수형 흡수 장치 및 이를 이용한 배기가스의유해성분제거 및 폐열회수 시스템
Inventor: SUN YUN GWAN
IPC: F23C9/00
Filed: 2001-10-05
Abstract: 본 발명은 보일러 또는 기타 장치로부터 배출되는 폐가스의 분진 및 유해성분을 보다 효과적으로 제거하고, 동시에 폐열을 회수하며, 아울러 백연을 방지할 수 있도록 하기 위한 것으로, 하단부에 부착되어 고온의 폐가스가 유입되는 유입관과, 상기 유입관의 상부에 설치되어 유입된 폐가스를 세정하는 세정부와, 상기 세정부의 상부에 설치되어 폐가스의 열을 흡수하는 흡열부와, 상기 흡열부의 상부에서 저온의 물 또는 상기 폐가스와 화학반응을 일으켜 유해성분을 제거하는 첨가제를 포함한 혼합액을 상기 흡열부에 공급하는 수공급부와, 상단부에 상기 폐가스가 유출되도록 하는 배기관을 포함하여 이루어진 것을 특징으로 하는 폐열 회수형 흡수 장치 및 이를 이용한 배기가스의 유해성분제거 및 폐열회수 시스템에 관한 것이다.
Patent KR-20020006497-A (KR)
Inventor: KIM KYOUNG SOO
Filed: 2001-10-11
Abstract: PURPOSE: A method and a system for selling a product using the Internet are provided to allow a purchaser to buy an expensive product at a low cost and a seller to sell effectively the product by purchasing the product through lottery or instant purchase. CONSTITUTION: A system for selling a product using the Internet is comprised of a purchaser system(1000), a seller system(2000), a network(3000), and an operator site server(4000). The purchaser system(1000) is a personal computer and a system in order that a consumer purchases material and/or immaterial products in a shopping mall space on the Internet. The seller system(2000) sells the material and/or immaterial products through on-line. The network(3000) provides a transmission path among the purchaser system(1000), the seller system(2000), and the operator site server(4000). The operator site server(4000) opens a homepage for supporting an on-line shopping, provides the purchaser system(1000) with product information provided from the seller system(2000) through the opened homepage by processing the information as a predetermined process, and links the product information processed by the predetermined process according to access from the purchaser system(1000). The operator site server(4000) includes a database comprising a purchaser database(4110), a seller database(4120), and a sale product database(4130), a data processing module(4200), a cyber money certification and deduction module(4300), and an automatic drawing module(4400).
Patent KR-20020032383-A (KR)
Title: Non-destructive inspection method
Inventor: NIKAWA KIYOSHI
IPC: G01R31/311
Filed: 2001-10-25
Abstract: PURPOSE: A non-destructive inspection method and an apparatus for a semiconductor chip are provided to improve the productivity and reliability of a semiconductor chip. CONSTITUTION: The non-destructive inspection method includes : a first step of generating a laser light ranging in wavelength from 300 nm to 1,200 nm, and generating a laser beam converging into a predetermined beam diameter; a second step of predetermined electrical connection means configuring a predetermined current path for passing an OBIC current(6) generated by an OBIC phenomenon when the laser beam is radiated onto the p-n junction and the vicinity of the p-n junction formed in the semiconductor chip to be inspected at least in the substrate including a wafer state and an installation state during the production process; a third step of scanning a predetermined area of a semiconductor chip while radiating the laser beam; a fourth step of magnetic flux detection means detecting magnetic flux induced by an OBIC current generated by the laser beam at each radiation point scanned in the third step; and a fifth step of determining whether or not there is a resistance increase defect including a disconnection defect or a leak defect including a short circuit defect in a current path.
Patent KR-20030037388-A (KR)
Title: Crosslinkable polyethylene composition for rotational molding
Inventor: CHUN SEONG DEUK
IPC: C08L23/06
Filed: 2001-11-03
Abstract: PURPOSE: Provided is a crosslinkable polyethylene resin composition for rotational molding, which has uniform crosslinking degree and imparts an excellent surface appearance to product. CONSTITUTION: The crosslinkable polyethylene resin composition comprises (a) 100 parts by weight of polyethylene resin, (b) 2-5 parts by weight of solid carrier resin obtained by impregnating a styrene-based thermoplastic elastomer with 30-40 wt% of organic peroxide, (c) 0.6-1.5 parts by weight of aryl isocyanurate derivative as an crosslinking agent, (d) 0.01-0.1 part by weight of sulfur compound derivative as a reaction retardant, and (e) 0.2-1.0 parts by weight of silicone oil as a releasing agent.
Patent KR-20030039051-A (KR)
Title: Exhaust valve apparatus to transmit sound as for gas mask
Inventor: LEE GEON
IPC: A62B18/10
Filed: 2001-11-09
Abstract: PURPOSE: Provided is an exhaust valve device with voice transfer function included for a gas mask which enables to talk each other with wearing the gas mask so that it helps to prevent human body from noxious gases in emergency effectively. CONSTITUTION: The exhaust valve with voice transfer function included for the gas mask comprises the parts of: an exhaust valve body(20) which includes plural penetration holes(24,25); a cover(30) which is bound with rear side of the exhaust valve body with forming plural penetration holes(35) at a rear sheet(34); a rubber-made exhaust film(40) wherein front side of an upper conic part(42) is contacted to inner side of the cover; a voice transfer box(70) which is placed at front cylindrical part of the exhaust film; and a guide member(50) which fixes the exhaust film and the voice transfer box to secure an exhaust passage(A) in the exhaust valve body and the cover.
Patent KR-20030039901-A (KR)
Inventor: LEE GYO SEONG
IPC: B24D11/00
Filed: 2001-11-16
Abstract: PURPOSE: An abrasive tape is provided to efficiently collect and remove waste from the surface of the abrasive tape by modifying the structure, and to polish the surface of materials precisely and evenly by eliminating waste with restricting degradation of the abrasive tape. CONSTITUTION: An abrasive layer is formed on an abrasive tape by spreading abrasive paint on a support base and drying. The abrasive paint is composed of inorganic powder and polymer bonding agent, and produced by adding olein and isostearic acid of 4-20 wt% to inorganic powder of 100 wt%. The abrasive paint including olein and isostearic acid is spread and dried on the polymer support base, and the rate of inorganic particle area to the space is 0.6-1.8 to form the space for collecting and removing waste on the abrasive tape. Degradation of the abrasive tape is prevented by adding lubricant, and the surface of material is processed precisely and evenly by removing waste efficiently.
Patent KR-20030041520-A (KR)
Title: Apparatus for surface shape processing of pinch roll by using air pressure gap
Inventor: LEE JONG BOK
IPC: B21B28/00
Filed: 2001-11-20
Abstract: PURPOSE: An apparatus for processing surface shape of pinch roll by using air pressure difference is provided in which the surface shape of the pinch roll is restored to the initial shape during injection by using air pressure difference so that the pinch roll is continuously used. CONSTITUTION: The apparatus for processing surface shape of pinch roll by using air pressure difference comprises an ascending and descending unit part for maintaining a certain distance from the pinch roll through sensing rod of pinch roll proximity sensing means as the ascending and descending unit part is being ascended or descended in the upper part of the pinch roll; a moving transfer car part penetratingly installed between supports of the ascending and descending unit part and reciprocated side to side as the moving transfer car part is being contacted with the pinch roll; a pinch roll grinding part for penetrating transfer car workbench of the moving transfer car part and grinding the surface of the pinch roll; and a grinding impact buffering means installed between reciprocating transfer car body and transfer car workbench of the moving transfer car part to buffer impact according to grinding of the pinch roll surface through an absorbing spring.
Patent KR-20030046000-A (KR)
Inventor: HWANG YONG SANG
IPC: G06F9/24
Filed: 2001-12-03
Abstract: PURPOSE: A computer system and a controlling method thereof are provided to easily change an operation clock of a video memory by a simple switching operation. CONSTITUTION: A BIOS(Basic Input/Output System) ROM(10) includes a video memory clock register(13) comprising a plurality of memory clock registers for changing the clock of the video memory, and a controller(12) changing a video memory clock value of the video memory clock register(13) based on a switching signal of a memory clock selector(11). The controller(12) selects the memory clock register matched with the switching signal occurred by the selection of the memory clock selector(11), and sets up it as the memory operation clock value. After changing the video memory clock and rebooting the computer system, a graphic processor(14) of a video card(20) operates a video memory(15) by reading the changed video memory clock value from a graphic BIOS in the BIOS ROM(10).
Patent KR-20030046238-A (KR)
Title: Apparatus for changing of power output path in portable system
Inventor: KIM GYU DONG
IPC: G06F1/26
Filed: 2001-12-05
Abstract: PURPOSE: A device for switching the power output installed to a portable system is provided to supply the power to a notebook or a portable equipment by receiving the external power from an AC adaptor through an AC jack of the notebook and outputting the power charged to a battery through the AC jack. CONSTITUTION: The device includes a switching controller(100) and a power output switching part(200). The switching controller(100) detects the installation of the battery(300) in the notebook and a signal inputted from the AC jack, transfers a control signal to the power out switching part(200) according to the detected signal, and transfers the control signal of the power supply mode inputted by a user to the power output switching part(200). The power output switching part(200) supplies the power inputted from the AC jack and the battery power to a notebook power driving part by switching a plurality of switches(210-270) to an on or off state according to the control signal inputted from the switching controller(100).
Patent KR-20030047521-A (KR)
Title: High voltage generating circuit of performing stable operation in wide operating voltage range
Inventor: KIM JIN GUK
IPC: G05F1/10
Filed: 2001-12-11
Abstract: PURPOSE: A high voltage generation circuit for performing a stable operation under an operating voltage of a wide range is provided to vary the pumping capacity according to the operating voltage by using a pumping circuit. CONSTITUTION: A high voltage generation circuit includes a timing controller(110), a pumping circuit, a low voltage detection circuit(120), a high voltage detection circuit(130), and a pumping capacity controller(140). The timing controller generates control signals. The pumping circuit includes the first and the second pumping capacitors and performs continuous pumping operations according to the control signals in order to generate a high voltage. The low voltage detection circuit detects a state of low voltage of an external voltage and outputs the first detection signal as the detected result. The high voltage detection circuit detects a state of high voltage of the external voltage and outputs the second detection signal as the detected result. The pumping capacity controller controls pumping operations of the second pumping capacitors in response to the first and the second detection signals and a power flag signal.
Patent KR-20030048873-A (KR)
Title: Method of Miss fire Detection for Prevent Catalyst Damage of Automobile
Inventor: HAN JEONG HO
IPC: F02D41/22
Filed: 2001-12-13
Abstract: PURPOSE: A mis-fire detecting method for preventing the damage of a catalyst of a vehicle is provided to accumulatively measure the occurrence of mis-fires in the normal engine condition and the loaded condition and to prevent the damage on a catalyst due to the mis-fire. CONSTITUTION: A mis-fire detecting method for preventing the damage of a catalyst of a vehicle comprises the steps of increasing the values of a discharge counter and a catalyst damage counter according to the rotation of a crankshaft(S2), initializing first and second defect counters if the values of the discharge counter and the catalyst damage counter are more than a specific value(S10), increasing the values of the first and second cylinder defect counters if a mis-fire is detected or increasing a high-load counter if an engine load is more than a reference value(S12), and lighting on a failure indicator lamp if the values of the first and second cylinder defect counters and the mis-fire counter are more than a reference value(S19).
Patent KR-20030049314-A (KR)
Title: carrige alignmenting apparatus for ink-jet printer
Inventor: PARK JU HYEON
IPC: B41J19/20
Filed: 2001-12-14
Abstract: PURPOSE: A carriage alignment adjusting apparatus for an ink jet printer is provided to improve resolution by adjusting an alignment between an ink nozzle array of a carriage and a printing paper. CONSTITUTION: A carriage alignment adjusting apparatus includes a carriage(20) movably installed on a guide bar(10), a spherical bearing(30) aligned between the carriage(20) and the guide bar(10) and a position determining device. The guide bar(10) is installed on a main frame of an ink jet printer. The carriage(20) is installed lengthwise the guide bar(10). The carriage(20) includes a carriage body(21) supported by the guide bar(10), and an ink cartridge(23) detachably coupled to the carriage body(21). A pair of supporting section(25) is provided at a lower end of the carriage body(21). A bearing coupling section is formed in each supporting section(25).
Patent KR-20030050347-A (KR)
Inventor: KIM DONG HYEON
IPC: A63F13/213
Filed: 2001-12-18
Abstract: PURPOSE: Provided is an arcade shooting game device which has improved durability of a shooting gun and detects exact coordinates of a aiming point and provides firing feeling to a game player. CONSTITUTION: The arcade shooting game device includes an image processing part; a shooting gun emitting invisible laser rays; a dehumidifying air supplier; an action changing device for changing an action into an attack avoiding action or other actions; a memory card to store data of a player and game result; an input and output control part to control all the input and output data; and a central controlling part to proceed a game according to a game mode selected by a player. The image processing part has a CRT monitor, a reflecting mirror, a protecting plate, a CCD camera and an aiming point location processing part. The dehumidifying air supplier has an air compressor, a main air tank, a regulator, a heating dehumidifier, a first dehumidifying tank, a second dehumidifying tank and a soundproofing device.
Patent KR-20020050139-A (KR)
Inventor: BREMER MATTHIAS
IPC: C09K19/42
Filed: 2001-12-19
Abstract: PURPOSE: A liquid crystal medium which is low in viscosity and has a shorter reaction time is provided, which is used in a liquid crystal display of an active matrix addressed system, in particular a liquid crystal display using an active matrix containing a thin film transistor or varistor. CONSTITUTION: The liquid crystal medium is a nematic liquid crystal medium and comprises (a) a dielectrically negative liquid crystal component which is one or more compounds of formula 1, (b) a dielectrically negative liquid crystal component of formula 2 and 3, and optionally (c) a dielectrically neutral liquid crystal component of formula 4, and optionally (d) a dielectrically positive liquid crystal component of formula 5. In formula, R11 is a 1-7C alkyl, 1-7C alkoxy or 2-7C alkenyloxy group; R12 is a 1-7C alkyl or alkoxy group or a 2-7C alkenyl, alkenyloxy or alkoxyalkyl group; one of Z11 and Z12 is OCF2 or CF2O and the other is a single bond; and n is 0 or 1.
Patent KR-20030057668-A (KR)
Title: Apparatus for interface duplication in GGSN system
Inventor: CHA JIN U
IPC: H04Q1/20
Filed: 2001-12-29
Abstract: PURPOSE: An interface dualization device of a GGSN system is provided to manage dually an interface defined for communication between the GGSN and the HLR, thereby fitting a dualization management. CONSTITUTION: A communication between an access network and an exchange is processed by a V5.2 interface. A physical layer relates to a function which changes protocol information on a physical link into an electrical signal. A data link layer enhances use efficiency of an adjacent line and charges a flow control and an error control and the like. A network layer charges a call set-up/cancel, a path set-up function and V5.2 interface management related function. The V5.2 network layer protocol is constructed by plural protocols and each protocol comprises sub-protocols such as PSTN, BCC, a control, a link control, a protect protocol and the like.