baber/WOPTO huggingface dataset:
Patent KR-20020065246-A (KR)
Title: fabrication method of semiconductor capacitor
Inventor: KIL DEOK SIN
IPC: H01L27/04
Filed: 2001-02-06
Abstract: PURPOSE: A method for fabricating a semiconductor capacitor is provided to prevent oxidation of a diffusion barrier as a barrier layer formed on a lower electrode of a capacitor. CONSTITUTION: A diffusion barrier(13) is formed by depositing TiN, TiSiN, TiAlN, TaSiN, TaN, and RuTiN on a conductive type substrate(11). The first metallic film(15) is formed by depositing one of Ru, Pt, and Ir on the diffusion barrier(13). A thermal process for the first metallic film(15) is performed. A buffer metal film is formed by depositing Ti, Al, and a polysilicon on the first metallic film(15) and performing the thermal process. The buffer metal film is changed into a metallic oxide layer by performing the thermal process under nitrogen atmosphere of temperature of 300 to 500 degrees centigrade. The metallic oxide layer is removed by performing an etch process. The second metallic film(17) is formed by depositing Ru on the first metallic film(15). A dielectric layer(19) is formed by depositing BST, SBT, STO, PZT, BLT, PLZT, and Ta2O5 on the second metallic film(17). An upper electrode(21) is formed on the dielectric layer(19).
Patent KR-20020067110-A (KR)
Title: Alignment Method between LASER device and Optical connector
Inventor: HUH YEONG UN
IPC: G02B6/42
Filed: 2001-02-15
Abstract: PURPOSE: A method for arraying an optical connector and a semiconductor laser within an optical transceiver module is provided to obtain a stable optical output from a semiconductor laser by using a ferrule processed with an angled physical contact. CONSTITUTION: A semiconductor laser chip and a photo diode are mounted in a TO-46 semiconductor laser(110). One side of a ferrule(120) is processed with a physical contact and the other side of the ferrule(120) is processed with an angled physical contact. A sleeve(130) is used for guiding connection between the ferrule processed with the physical contact and an optical connector of an LC(Lucent Connector) type. A plurality of holders(140,150) are used for combining the ferrule(120), the sleeve(130), and the TO-46 semiconductor laser(110). The holders(140,150) are fabricated by using stainless steal.
Patent KR-20020068157-A (KR)
Title: Green Emitting Phosphor for Plasma Display Panel
Inventor: PARK DO HYEONG
IPC: C09K11/64
Filed: 2001-02-20
Abstract: PURPOSE: A green light emitting fluorescent substance for a plasma display panel(PDP) and its preparation method are provided, to improve the relative brightness compared with that of the existing green light emitting fluorescent substance for a PDP. CONSTITUTION: The green light emitting fluorescent substance is represented by BaAlxO(1+1.5x) : Mn, wherein the molar ratio of Al/(Ba+Mn) is 12.0-13.0 and the molar ratio of Mn is 0.10-0.20. Preferably the molar ratio of Al/(Ba+Mn) is 12.5 and the molar ratio of Mn is 0.15. The method comprises the steps of weighing and dry mixing BaCO3, Al2O3 and MnCO3; and sintering the mixture at 1,300 deg.C for about 2 hours under the reductive atmosphere.
Patent KR-20010085692-A (KR)
Title: Intruding object monitoring method and intruding object monitoring system
Inventor: ITO WATARU
IPC: H04N7/18
Filed: 2001-02-28
Abstract: PURPOSE: A method and system for supervising an intruding object are provided to eliminate a limit of a supervised area by distributing the load of a monitoring processor. CONSTITUTION: An intruding object supervisory method detects an intruding object through differential processing of image signals at different times output sequentially from a TV camera and a zoom lens(202). A visual field extension request is transmitted and sent to another intruding object supervisory unit for supervising another supervisory area adjacent to a supervisory area where the intruding object is traced(203,204). In a visual extension step, the zoom lens is controlled to extend the supervisory area when the visual field extension request is received from the other intruding object supervisory unit. The supervisory method can trace the intruding object moving over a plurality of supervisory areas.
Patent KR-20010095121-A (KR)
Title: Sewing machine for sewing button on
Inventor: ODA YO
IPC: D05B73/12
Filed: 2001-03-30
Abstract: PURPOSE: A button-sewing machine for attaching a button to an article being sewn while moving the button and the article being sewn, cutting a thread with a fixed blade and moving blade is provided which prevents the thread from being cut before the fixed blade and moving blade do not engage each other and can control the length of the remaining thread. CONSTITUTION: The button-sewing machine comprises: a fixing means for fixing a button and an article being sewn; a moving means for moving the fixing means to stitch the button to the article being sewn with seams of a specified sewing pattern; a fixed blade; a moving blade for drawing a thread and then moving to cut the thread by the cooperation with the fixed blade; and a button, wherein the machine has a control means for controlling a fabric transferring means to move the button to a preset position before cutting the thread.
Patent KR-20020078293-A (KR)
Title: drying machine for liquid crystal display panel
Inventor: KANG HO MIN
IPC: G02F1/13
Filed: 2001-04-09
Abstract: PURPOSE: A drying device of a liquid crystal display board is provided to remove humidity and static electricity of the board at the same time by jetting drying air and ionized air through ion tips installed inside an air knife. CONSTITUTION: A drying device of a liquid crystal display board includes a roller conveyor having a plurality of rollers to pass the liquid crystal display board at regular speed in a drying chamber, each air knife(13) installed at the upper part and the lower part of the roller conveyor and having ion tips to jet ionized drying air and non-ionized drying air to the board, an ion controller controlling ionization rate of drying air.
Patent KR-20020078366-A (KR)
Title: Process for preparing high purified terephthalic acid from PET
Inventor: CHO DEUK HUI
IPC: C07C51/42
Filed: 2001-04-09
Abstract: PURPOSE: Provided is a method for recovering high purity terephthalic acid from industrial waste in high yields, by a series of preparation method using waste polyethylene terephthalate(PET) as main material and alkali-reduced wastewater as a neutralizer. CONSTITUTION: The method comprises the steps of (i) hydrolyzing waste polyethylene terephthalate(PET) with acid to form terephthalic acid; (ii) adding an alkali-reduced wastewater to the product obtained by the hydrolysis; and (iii) purifying a crude terephthalic acid obtained from the reactants. The acid is an inorganic acid selected from sulfuric acid, phosphoric acid, and nitric acid. The hydrolysis with acid is performed at 20-200 deg.C. The alkali-reduced wastewater is added so as to enable a pH of waste PET solution treated with acid to reach 3-5.
Patent KR-20020083070-A (KR)
Title: Burner for inflammable pulverized fuel
Inventor: BANG HEON GYUN
IPC: F23G7/00
Filed: 2001-04-26
Abstract: PURPOSE: A combustible powder fuel burner is provided to obtain energy while stably incinerating industrial wastes at an inexpensive cost protecting environment by completely burning industrial wastes. CONSTITUTION: A combustible powder fuel burner pulverizes combustible wastes in minute particles so as to burn combustible wastes. A powder fuel supplying device is provided to introduce powder fuel into the combustible powder fuel burner. A burner section(101) is installed at a front end of the combustible powder fuel burner in order to increase the temperature powder fuel by heating the combustible powder fuel burner. A combustion section(102) is installed at a rear end of the burner section(101) to generate thermal energy by indirectly burning powder fuel introduced from the combustible powder fuel burner.
Patent KR-20020083560-A (KR)
Title: Semiautomatic warehouse
Inventor: HWANG JAE PIL
Filed: 2001-04-27
Abstract: PURPOSE: A semi-automatic warehouse is provided to perform the direct article transfer by a worker, to process the storage plan and the management of the data about articles by a computer, and to make the worker and computer exchange the information when various articles in a small amount are stored. CONSTITUTION: A hangar rack group(20) includes hangar racks of plural sections. IDs(Identifications) are applied to each hangar rack. A host computer(50) is stored with the data about the articles put into a warehouse(10) and delivered from the warehouse. The host computer is operated by a specific program, and includes a host side wireless communication program for wirelessly transmitting and receiving data. An article carrier(30) has a rack(31) loaded with the articles attached with bar codes, a bar code scanner(45) for scanning the bar codes, and a local computer(40) connected with the bar code scanner and includes a local wireless communication unit(43) for wirelessly transmitting and receiving data with the host computer. The article carrier is operated by the worker.
Patent KR-20010104241-A (KR)
Title: 상위 채널 과부하 검출 회로 및 기지국 장치
IPC: H04W99/00
Filed: 2001-05-10
Abstract: CDMA(Code Division Multiple Access) 이동 통신 시스템에 대한 상위 채널 과부하 검출 회로는 수신 전계 측정부, 잡음 레벨 기억부, 임계 기억부, 및 비교부를 포함한다.  수신 전계 측정부는 복수의 이동 단말에서의 수신 신호의 전계 강도 레벨을 검출한다.  복수의 이동 단말의 송신 파워가 없을 때 잡음 레벨 기억부는 수신 전계 측정부에서의 출력을 잡음 레벨로 기억한다.  임계 기억부는 복수의 이동 단말에서 가능한 송신 수에 대응하는 수신 전계 측정부로부터의 출력을 임계 레벨로서 기억한다.  비교부는 수신 전계 측정부에서 출력된 전계 강도 레벨을, 잡음 레벨 기억부에 기억된 잡음 레벨을 임계 기억부에 기억된 임계 레벨에 가산하여 얻어진 합계 값과 비교한다.  또한 기지국 장치가 개시된다.
Patent KR-20020070044-A (KR)
Inventor: SONG MEEN KYU
IPC: B26B19/38
Filed: 2001-05-14
Abstract: PURPOSE: A cutter is provided to prevent the malfunction of the cutter by attaching a line to the cutter such that the cutter is prevented from falling down to a ground even when a user drops the cutter. CONSTITUTION: A line(4) is attached to the cutter(2). When a user uses the cutter(2), the line(4) is wound around a wrist, so the cutter(2) is prevented from falling down to the ground even when the user drops the cutter(2). The line(4) is attached to an end portion of the cutter(2). Alternatively, the line(4) is wound around the cutter(2) so as to allow the cutter(2) to be prevented from falling down to the ground. Since the cutter(2) is prevented from falling down to the ground, the malfunction of the cutter(2) caused by an external impact is prevented.
Patent KR-20020087657-A (KR)
Title: A remodeling methode of car for disable person
Inventor: KIM GI SU
IPC: B62D65/06
Filed: 2001-05-15
Abstract: PURPOSE: A method for improving the structure of a van and a vehicle manufactured by the method are provided to make the physically handicapped in a wheelchair easily get on and off a van. CONSTITUTION: After separating a rear door(12) from a vehicle body, a roof frame including a rear door connecting hinge is separated by incision. A central roof(21) incised from the roof frame is lifted up by a specific height. A separate reinforcing frame is connected to integrate the roof frame with an existing roof frame. To combine the rear door with a connecting hinge(13), a separate link member(18) is welded to the upper portion of the rear door with a reinforcing panel(17). According to the high roof frame, the physically handicapped in a wheelchair easily gets on and off a van.
Patent KR-20020089617-A (KR)
Title: The Engine Control Unit loading accessible control program and method to generate a driving data using it
Inventor: LEE JONG NAM
IPC: F02D45/00
Filed: 2001-05-23
Abstract: PURPOSE: A source code of an engine control program is disclosed to let a user modify the source code directly, thereby developing better program. CONSTITUTION: In an electronic control system for an engine, an EPROM(12) stores a source code of a control program carried out by a central processing computer. An EPROM Writer(13) stores a source code written or modified by an outer terminal to the EPROM. A flash memory(14) stores the source code of the control program. A communication port is used for order and data transmission among the outer terminal, central processing computer, EPROM, EPROM Writer, and the flash memory.
Patent KR-20020093351-A (KR)
Title: Gray tone mask and manufacturing method for liquid crystal display using it
Inventor: KWAK DONG YEONG
IPC: H01L21/84
Filed: 2001-06-08
Abstract: PURPOSE: A gray tone mask and a method for preparing a liquid crystal display using the mask are provided, to allow 4 sheets of masks to be used in the preparation of the TFT of active panel, thereby reducing the processing steps. CONSTITUTION: The gray tone mask is such that the spacing or width of the vertical directional pattern is different from that of the horizontal directional pattern(50) to allow the photon amount irradiated on a photosensitive material through a patterned mask to be different each other. Preferably the spacing of the vertical directional pattern is wider or the width of the vertical directional pattern is narrower than those of the mask pattern parallel to the scanning direction of light when a positive photosensitive material is used. Preferably the spacing of the vertical directional pattern is narrower or the width of the vertical directional pattern is wider than those of the mask pattern parallel to the scanning direction of light when a negative photosensitive material is used.
Patent KR-20030000045-A (KR)
Title: Method producing cellulosic fibers by means of continuous alkali treating
Inventor: AHN JONG SU
IPC: D01F2/28
Filed: 2001-06-22
Abstract: PURPOSE: Provided is a method for manufacturing cellulose fiber by using a cold-pad-batch method which is characterized by being similar to normal viscose rayon fiber in a chemical structure and physical properties, having a simple process and low production cost. CONSTITUTION: The cellulose fiber is obtained by a process containing the steps of: preparing an alkali aqueous solution having 20-53% of concentration in a padding bath on a cold-pad-batch machine; dipping fiber or fiber products containing cellulose diacetate fiber into the alkali aqueous solution to perform wet pick-up; winding the fiber around a roll; treating the wound fiber at 20-70deg.C for 1-48hours; and then washing. The cellulose diacetate fiber is characterized by 2.0-2.75 of substitution(45-59.5% of degree of acetification).
Patent KR-20030000381-A (KR)
Title: Headset Earset omitted
Inventor: JUNG WOO HYUB
IPC: G06F3/16
Filed: 2001-06-23
Abstract: PURPOSE: A method for adjusting the computer volume by a headset or an ear set is provided to enable a user to conveniently and directly adjust the volume by installing a volume adjusting device such as a wheel and a button to the headset or the ear set. CONSTITUTION: A computer is booted up(st1). An OS(Operating System) is executed(st3). A volume control program controlling the volume adjusting device such as the wheel or the button is installed to the computer(st4). The volume adjusting device installed to the headset or the ear set directly adjusts the volume according to the method for operating the volume adjusting device(st5). If the volume is adjusted to the desired volume, the adjusted volume is outputted(st6). If the volume adjustment is failed, the program waits for the user's input again by returning to the step 4.
Patent KR-20030000979-A (KR)
Title: Apparatus of Stop log for filter bed expansion control
Inventor: JUN HWA JO
IPC: B01D24/00
Filed: 2001-06-27
Abstract: PURPOSE: A device for optimizing filter bed expansion rate according to temperature fluctuation of raw water in backwash process is provided to operate rapid sand filter process stably by changing backwash velocity dependent to temperature fluctuation of raw water. CONSTITUTION: The device comprises several stop logs(10) with corrosion resistance and low wettability, a chain(20) which connects each stop log, a clamper(40) which links the uppermost of the stop logs to a structure while keeping horizontal balance, and a chain block(50) which ascendingly or descendingly links the clamper to a frame while sustaining the stop logs.
Patent KR-20030001036-A (KR)
Title: Method for manufacturing a contact/via electrode of semiconductor device
Inventor: JUNG BYEONG HYEON
IPC: H01L21/28
Filed: 2001-06-28
Abstract: PURPOSE: A method for forming a contact and via of a semiconductor device is provided to prevent attacks of fluorine into the contact and via by surface treatment of TiN using N2 plasma. CONSTITUTION: After forming an interlayer dielectric(104) on a semiconductor substrate(100) having conductive patterns(102), a contact/via hole is formed by selectively etching the interlayer dielectric(104). A barrier metal film(108) is formed by sequentially stacking a titanium film(108a) and a titanium nitride film(108b) on the interlayer dielectric(104) including the contact/via hole. The surface of the TiN film(108b) is treated sequentially by N2 plasma processing and N2 annealing. A via(112') is formed by filling a conductive layer into the contact/via hole and planarizing the conductive layer.
Patent KR-20030002363-A (KR)
Title: Method for manufacturing device having a shallow trench isolation and deep trench isolation
Inventor: SONG UN YEONG
IPC: H01L21/76
Filed: 2001-06-29
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to form shallow trench isolation(STI) and deep trench isolation(DTI) layers having different depths of trenches in the same substrate, by forming a trench of the first depth, by forming an insulation layer and a gap-fill layer in a trench in an STI region and removing the gap-fill layer in a DTI region and by forming a trench of the second depth after a spacer is formed on the sidewall of the trench. CONSTITUTION: A pad oxide layer(12), a nitride layer(14) and a photoresist pattern(16) are formed in the first and second regions(A,B) of a semiconductor substrate(10). The nitride layer and the pad oxide layer are patterned according to the photoresist pattern. The substrate is etched to form the trench(17) of the first depth. An insulation layer is formed on the resultant structure having the trench of the first depth in the first and second regions. A gap-fill layer is formed to fill the trench. The gap-fill layer in the second region is removed. The insulation layer in the second region is etched to form a spacer on the sidewall of the first trench in a corresponding region. The substrate exposed by the spacer in the second region is etched to form the trench(24) of the second depth. The spacer on the sidewall of the trench in the second region is eliminated. The gap-fill layer and the insulation layer in the first region are removed.
Patent KR-20030002901-A (KR)
Inventor: LIM YEON SEOP
IPC: H01L27/146
Filed: 2001-06-30
Abstract: PURPOSE: An image sensor is provided to minimize condensing losses and to maximize a fill factor by using a condensing insulating layer having a wedge shape. CONSTITUTION: A photodiode(21) is formed on a substrate(20). A plurality of insulating layers which are sequentially stacked on the first interlayer dielectric(22), a CFA(Color Filter Array)(23) and an OCM(Over Coating Material)(24) are formed on the photodiode. A condensing insulating layer(25) having a wedge-type valley(X') and a flat floor(X) is formed on the OCM(24), wherein the wedge-type valley(X') is not overlapped with the photodiode(21) and the flat floor(X) is overlapped with the photodiode. The second insulating layer(26) is formed on the condensing insulating layer(25). A convex-type microlens(27) is formed on the second insulating layer(26), wherein the microlens(27) is overlapped with the flat floor(X). At this time, the width of the convex-type microlens(27) is same to the width of the flat floor(X).
Patent KR-20030008496-A (KR)
Title: Studying system of recording medium printed a digital index code
Inventor: KIM KYOUNG JOONG
IPC: G06F17/30
Filed: 2001-07-18
Abstract: PURPOSE: A learning system of a recording medium sealed by a digital index code is provided to supply data for a learner by reading corresponding pre-stored data when a digital classification code is inputted on condition that digital classification codes capable of classifying information according to elements and patterns are indexed in each information element of a recording medium having printed schedule information. CONSTITUTION: In a learning system comprising a recording medium(English study book)(10) having printed data for displaying information of a predetermined area and an additional output medium for outputting information selectively printed through a schedule operation, the recording medium(10) classifies printed and sealed information according to elements and patterns and includes a sealed digital index code for reading data according to elements and patterns. When a digital index code sealed in the recording medium(10) is inputted, a digital learning device(100) accesses information corresponded to the digital index code from a pre-supplied schedule memory unit, and selectively outputs data such as a voice text, a still image, a moving picture, etc.
Patent KR-20030012541-A (KR)
Title: Roll cleaner of looper
Inventor: LEE MU RYONG
IPC: C21D1/26
Filed: 2001-08-01
Abstract: PURPOSE: An apparatus for cleaning overall width of rolls of looper is provided to prevent foreign materials remained on the surface of the rolls for transferring a strip from transferring onto the strip in bright annealing and annealing pickling lines of a stainless steel cold rolling plant. CONSTITUTION: The apparatus for cleaning overall width of rolls of looper comprises a fixed base(120) that is fixed to a support block(17) by a support frame(110), wherein the support block(17) rotationally fixes a plurality of guiding rolls(14) that are arranged in an annealing line of a stainless steel cold rolling plant; a pair of cylinders(130) which are ascendingly and descendingly fixed onto the upper surface of the fixed base(120); a moving base(140) that is fixed to cylinder rod of the cylinders(130); a housing(200) which is fixed onto the upper surface of the moving base(140), and in which a driving body is installed; and a cleaning part(300) which is connected to the driving body of the housing(200) and movably installed along a length direction of the guiding rolls(14).
Patent KR-20020013425-A (KR)
Inventor: KUBOTA YOSHIYASU
IPC: G06F9/445
Filed: 2001-08-08
Abstract: PURPOSE: To automatically execute the installation or the like of software for a driver. CONSTITUTION: A microprocessing unit 11, a random access memory(RAM) 12, an operation part 13, a read-only memory(ROM) 14, etc., are mutually connected through a system bus 15 and built in a body equipment 100 consisting of a personal computer or the like. A medium controller 16 to which an electronic device 200 is connected as a medium for executing an external storage function, an extension function, etc., is connected to a system bus 15 in the body equipment 100. The electronic device 200 is provided with an I/O function block 22 for executing connection with an external computer network e.g. through a medium side controller 21 and a non-volatile memory 23 and the software data of the driver for driving the block 22 under each environment is stored in the memory 23.
Patent KR-20010088618-A (KR)
Inventor: HWANG SEOK MUN
IPC: A23L21/12
Filed: 2001-08-13
Abstract: PURPOSE: Provided are a kimchi jam including kimchi as a main ingredient and its preparation method. The kimchi jam has various tastes and flavor including peppery smell of kimchi. CONSTITUTION: A kimchi jam is composed of kimchi of 45 wt.%, sugar of 29.95 wt.%, pectin of 0.4 wt.%, citric acid of 0.35 wt.%, water of 6.8 wt.% and starch syrup of 17.5 wt.%. The kimchi jam is prepared by the following steps of: (a) cutting kimchi and adjusting pH to 3.5±1; (b) blending the ingredients then heating them to 60deg.C; (c) adding a half of sugar and heating them; (d) keeping them at the degree of vacuum of 600 mmHg when temperature is increased; (e) controlling the degree of vacuum with a condenser, so as to inhibit overflow; (f) adding the rest of sugar thereto when sugar content becomes 52 Brix then concentrating them under vacuum; and (g) sterilizing them to 90 deg.C in open state.