baber/WOPTO huggingface dataset:
Patent KR-20010082256-A (KR)
IPC: H04H20/00
Filed: 2000-08-10
Abstract: 원격 통신 시스템(1)에서 다중 동시 브로드케스팅 메시지를 통신하는 브로드케스팅 시스템이 제공되며, 여기서 상기 원격 통신 시스템은 하나 이상의 휴대용 단말기(6)와 통신하는 적어도 하나의 고정 단말기(2)를 갖는다. 브로드케스팅 시스템은, 상기 또는 각 고정 단말기의 수신 영역에 있는 휴대용 단말기(6)가 수신하도록, 상기 고정 단말기로부터 제 1 메시지를 송신하는 수단을 포함하며, 각 제 1 메시지는 상기 고정 단말기에 대해 선택된 채널들을 지정하는 정보를 포함하며, 이는 그리고 관련 브로드케스팅 메시지를 전달하는데 사용될 것이다. 제어 수단은 상기 또는 각 휴대용 단말기가 지정된 브로드케스팅 메시지 채널을 통해 수신하도록 하기 위해 제공된다. 그 다음 송신기 수단은, 상기 또는 각 휴대용 단말기(6)에 의해, 오디오 브로드케스팅 메시지 같은 브로드케스팅 메시지를 실질적으로 동시에 수신 및 재생성하기 위해, 고정 단말기(2)로부터 상기 특정 브로드케스팅 채널을 통해 상기 브로드케스팅 메시지를 송신한다. 서로 다른 휴대용 단말기는 서로 다른 브로드케스팅 메시지를 수신할 수 있다. 휴대용 단말기는 또한, 다른 고정 단말기에 의해 서비스되는 영역으로 로밍될 수 있으며, 상기 브로드케스팅 메시지를 계속 수신할 수 있다. 상기 시스템은 특히 변형된 형태의 디지털 최점단 무선 원격 통신(DECT) 표준에 기초할 수 있지만, 반드시 그럴 필요는 없다.
Patent KR-20010093080-A (KR)
IPC: G06F3/033
Filed: 2000-09-27
Abstract: 신호전극을 형성한 제 1 기판과 데이터전극을 형성한 제 2 기판과의 틈에 액정층을 봉입하여, 상기 신호전극과 데이터전극이 교차하는 부분이 각각 화소부를 구성하여, 상기 각 화소부에 대응하는 위치에 3원색의 각 필터가 교대로 배열된 칼라필터가 설치된 칼라액정패널에 대하여, 모두의 신호전극에 시분할로 선택신호를 인가하여, 그 각 신호전극의 선택신호에 대응하여 상기 데이터전극에 데이터신호를 인가하는 노멀칼라표시와, 상기 신호전극을 복수 동시에 선택하도록 선택신호를 인가하는 감색칼라표시를, 선택적으로 행하는 것에 따라 칼라액정표시패널의 소비전력을 저하시킨다.
Patent KR-20010093849-A (KR)
Title: Catalyst Modifiers and Their Use in the Polymerization of Olefin(s)
IPC: C08F2/38
Filed: 1999-11-29
Abstract: The present invention relates to a catalyst composition and a method for making the catalyst composition of a polymerization catalyst and carbonyl compound. The invention is also directed to the use of the catalyst composition in the polymerization of olefin(s). In particular, the polymerization catalyst system is supported on a carrier. More particularly, the polymerization catalyst comprises a bulky ligand metallocene-type catalyst system.
Patent KR-20020007286-A (KR)
IPC: C23C16/18
Filed: 1999-12-20
Abstract: 본 발명은 마이크로 전자 공학 장치 구조물에 인듐을 혼입시키는 용도,  예를 들면 버블러 또는 액체 전달 MOCVD 기법에 의해 장치 기판 상에 인듐 함유 필름으로서 또는 이온 주입 기법에 의해 장치 기판에 함유되는 도펀트 화학종으로서 혼입시키는 용도를 가진  인듐 공급원 시약 조성물에 관한 것이다. 
     상기 전구체 조성물은 하기 화학식의 전구체를 갖는다. 
     R 1 R 2 InL 
     상기 식 중, 
     R 1 및 R 2 는 동일하거나 또는 상이할 수 있고, (C 6 ∼C 10 )아릴, (C 6 ∼C 10 )플루오로아릴, (C 6 ∼C 10 )퍼플루오로아릴, (C 1 ∼C 6 )알킬, (C 1 ∼C 6 )플루오로알킬 또는 (C 1 ∼C 6 )퍼플루오로알킬 중에서 각각 선택되며, 
     L은 β-디케토네이토 또는 카르복실레이트이다. 
     본 발명의 전구체를 사용하는 경우, 인듐 함유 금속 필름은 인듐-구리 금속화 기판과 같은 기판 상에 형성되며, 얕은 접합부 이온 주입된 구조물은 집적 회로에 형성될 수 있다.
Patent KR-20010082764-A (KR)
IPC: H04N3/26
Filed: 1999-12-21
Abstract: 본 발명에 따르면, 수직 리트레이스에 바로 후속하는 몇몇의 비디오 주사선동안 자동 카인 바이어스(AKB) 회로에서의 저 전류 바이어스를 정확하게 측정하기 위해서는, 동적 초점은 동적 초점 전압 증폭기를 비활성화시킴으로써 인터럽트된다. 증폭기는 수평 플라이백 변압기로부터 증폭기의 전력을 얻는다. 동적 초점 전압 증폭기가 수직 귀선 소거 구간동안 비활성화된 후 다시 활성화되는 경우 발생될 수 있는 수평적 과도 현상을 방지하기 위해, 동적 초점 증폭기는 수직 귀선 소거동안 수직 주사동안에 얻어지는 평균 전류와 비슷한 전류를 얻는다.
Patent KR-20010108155-A (KR)
Title: Method and device for vibration control
IPC: G05D19/02
Filed: 2000-01-28
Abstract: A vibration control system comprising an actuator, and a sensor useful for controlling vibrations in systems for fabricating electronics equipment. The actuator may comprise one or more plates or elements of electro-active material bonded to an electroded sheet.
Patent KR-20010102118-A (KR)
IPC: G02C13/00
Filed: 2000-02-10
Abstract: 본 발명은, 개개의 착용 조건을 고려하여 보다 최적화된 처방면을 갖는 안경 렌즈 및 그 제조 방법을 제공하는 목적으로 한다.   안경점의 매장(발주자 측)에 설치된 단말을 통해서 안경 착용자 마다의 VR값의 관련 데이터를 포함한 처방값, 그 외의 안경 렌즈 설계 제조에 필요한 정보를 안경의 가공업자(가공자 측)에게 설치된 호스트 컴퓨터에 송신하여, 이 호스트 컴퓨터에 의해 이것들의 정보를 처리하고, 시뮬레이션된 착용 조건의 광학 모델에 근거하여 최적화된 렌즈 형상을 얻어 가공 조건을 결정해서 수치제어 가공기나 엣저에 의해 안경 렌즈를 제조한 후에 발주 측에 납품한다.
Patent KR-20010108225-A (KR)
IPC: B31B1/90
Filed: 2000-02-16
Abstract: 본 발명의 포장용기는 포장재에 의해 형성된 용기본체(12)와 ,이 용기본체의 상부벽(13)의 캡 장착부에 장착된 캡 유닛(C)을 갖는다. 그리고, 이 캡 유닛은, 칼러부분(15), 상기 캡 장착부에 대응시켜 설정된 주출구부를 상기 포장재의 바깥쪽에서 덮는 풀 탭을 개재하여 상기 칼러부분에 끼워 맞춰지는 덮개부분(16)을 구비한다. 이 경우, 포장재에 미리 캡을 구비할 수 있으므로, 용기본체의 위치를 결정한 후에 용기본체에 캡을 장착할 필요가 없으며, 캡을 장착할 위치에 편차가 생기는 것을 방지할 수 있어, 포장용기(11)의 품질을 향상시킬 수 있다.
Patent KR-20020005738-A (KR)
Title: Alkylaromatics production
IPC: C07C15/085
Filed: 2000-05-02
Abstract: The present invention provides a process for producing a monoalkylated aromatic compound, particularly ethylbenzene or cumene, in which a polyalkylated aromatic compound is contacted with an alkylatable aromatic compound in the liquid phase and in the presence of a transalkylation catalyst comprising TEA-mordenite having an average crystal size of less than 0.5 micron.
Patent KR-20020042762-A (KR)
Title: Programmable electronic label
IPC: G04F1/00
Filed: 2000-05-30
Abstract: A programmable electronic reminder device for providing a signal at a selectively predetermined date and time includes a programmable real time clock circuit, a thin, sheet-like battery, a light emitting polymer for illuminating a predetermined alert message and a programming interface mounted to a pliant substrate in a layered arrangement. The reminder device is configured as a card or label on which human readable indicia corresponding to the predetermined date and time may be printed.
Patent KR-20010113954-A (KR)
IPC: G06F15/167
Filed: 2000-01-28
Abstract: 백 플레인 상에 복수의 버스를 설치하고, 상이한 CPU 보드에 의해 사용할 수 있으며, 또한 각각의 CPU로부터 공유 메모리가 액세스 가능하다. 
     이에 따라, 복수의 CPU를 하나의 백 플레인 상에서 기능시키면서, 또한 이들 CPU가 공유 메모리를 이용하여 데이터의 공유를 가능하게 했다. 
     또한, 기능 보드용 슬롯이 임의의 버스에 할당될 수 있기 때문에, 각 CPU 보드에 의해 사용하는 기능 보드의 수를 조정할 수 있고, CPU 보드의 목적에 부합하여 사용하는 기능 보드의 수를 유연하게 선택할 수 있다.
Patent KR-20020019447-A (KR)
IPC: C23C22/83
Filed: 2000-05-23
Abstract: 내식성과 도장성이 우수한 인산염 처리된 아연계 도금 강판을 제공한다. 
     본 발명은 아연 또는 아연계 합금 도금 강판의 표면 위에 Mg 2중량% 이상, Ni 및/또는 Mn 0.5중량% 이상 및 Mg와 Ni 및/또는 Mn의 합계 4중량% 이상을 함유하는 인산염 피막이 0.5g/m 2 이상 형성되어 있음을 특징으로 하는, 내식성과 도장성이 우수한 인산염 처리된 아연계 도금 강판, 및 아연 또는 아연계 합금 도금 강판의 표면 위에 Mg 2중량% 이상, Ni 및/또는 Mn 0.5중량% 이상 및 Mg와 Ni 및/또는 Mn의 합계 5중량% 이상을 함유하는 인산염 피막이 0.3g/m 2 이상, 바람직하게는 1g/m 2 이상 형성되어 있음을 특징으로 하는, 내식성과 도장성이 우수한 인산염 처리된 아연계 도금 강판에 관한 것이다.
Patent KR-20030060432-A (KR)
Title: Silence bracket type breakers
Inventor: KIM CHANG SOON
IPC: E21B10/36
Filed: 2002-01-09
Abstract: PURPOSE: A disintegrator with a soundproof breaker is provided to absorb vibration or impact cased by a breaker running by using cushions and promote maintenance efficiency to extend the life of equipment. CONSTITUTION: The disintegrator with a soundproof breaker contains: a hollow frame(11) joined with a cover by a bolt connection; a main body(15) placed inside the frame; side vibration-proof cushions(18,18',19,19') provided with numbers of projections and keeping the main body away from the inner wall of the frame, the upper and lower cushions(16,17) and a wear plate(20), which absorb vibration or impact; a rod-shaped tool connected to the lower part of the frame; an adaptor connecting the frame to the arm of equipment.
Patent KR-20030060468-A (KR)
Title: Emergency generating system using flywheel
Inventor: KIM SEONG WAN
IPC: H02J9/08
Filed: 2002-01-09
Abstract: PURPOSE: An emergency electricity generation system is provided to be capable of efficiently coping with an unstable state of a system power by using a flywheel. CONSTITUTION: An engine(10) is used as a mechanical energy source of a motor/generator part(30). An interconnection part(20) is configured to interconnect the engine and the motor/generator part. A field winding current supplying device supplies a field winding current to the motor/generator part. A control device(60) is configured to control the motor/generator part, the engine, and the interconnection part. A circuit breaker(50) is controlled by the control part and breaks a system power(80) and the motor/generator part at the first starting of an emergency electricity system. A flywheel(40) is connected to the motor/generator part to maintain a voltage of the system power during a predetermined time when the system power is abnormal.
Patent KR-20030062539-A (KR)
Title: Apparatus for format conversion
Inventor: HAN DONG IL
IPC: H04N7/01
Filed: 2002-01-17
Abstract: PURPOSE: A format conversion method is provided to remove complicated analog filters used outside and carry out stable A/D conversion function without any complicated PLL functions. CONSTITUTION: A format conversion method includes an A/D converter(301) for over-sampling of input images into over-sampled clocks to digitalize the input images, an image formatting part(302) for converting the over-sampled images output from the A/D converter into normal images equal to the originally input images by reducing the horizontal resolution thereof, and a main format converting part(303) for converting the resolution of the normal images.
Patent KR-20020024056-A (KR)
Inventor: SON YOUNG SUK
IPC: A47B13/00
Filed: 2002-01-22
Abstract: PURPOSE: A hi-tech digital multi-functional dining table is provided to reduce fatigue and/or languor and to enjoy advantages of varied and convenient performances simultaneously as well as to reduce time consumption out of a common table having its inherent function. CONSTITUTION: The dining table(1) comprises a perfume generator(2'), a storage vessel(2) of the perfume, a perfume sensor(3) with illumination lamp(39), an input/output button for the perfume(9), an internal power source(4) and a plug(5); an alarm(6) inputted by bell sound, voice, bird sound and/or other natural sounds together with an alarm sensor(7) to transmit the sounds; and a control part(8) of circuits operated to regulate respective parts. The table further involves at least any one selected from O3(ozone) generator(11), anion generator(10), radio or cassette tape recorder or so on. In addition, the table may include a hearing aid(15) together with digital touch mode button(12) and a chip(16) to function as a mobile phone. Alternatively, the table can be applied by a remote chip(18), a housing(13) having a built-in microphone, a CD drive(14) and/or DVD drive(19) and a record player(15).
Patent KR-20020065390-A (KR)
Title: Throw-away tip
Inventor: SHIMIZU HIROYASU
IPC: B23B27/14
Filed: 2002-02-05
Abstract: PURPOSE: Provided is a throw-away tip which is detachably mounted on a tool body of a throw away cutting tool for use in various cutting operations. CONSTITUTION: The throw-away tip includes a tip body(11) with a rake face and a flank face(13); a generally plane chamfered surface(17) formed at and along a cutting-edge-forming ridge(14) where the rake face and the flank face cross each other; and a phantom radius surface(18) formed at a crossing ridge between the chamfered surface and the flank face, the phantom radius surface being constituted, in cross section perpendicular to the cutting-edge-forming ridge, by a plurality of lines connected to one another to provide a generally convex shape.
Patent KR-20030072941-A (KR)
Title: Ceiling-installed air conditioner
Inventor: AHN HYEOK SEONG
IPC: F24F1/00
Filed: 2002-03-07
Abstract: PURPOSE: A ceiling type air conditioner is provided to improve discharging performance of the air conditioner. CONSTITUTION: An indoor unit of an air conditioner includes a case mounted on or laid in a ceiling; a fan installed on one side in the case to forcibly introduce and discharge indoor air; a heat exchanger installed on the other side in the case to cool down indoor air introduced by the fan; and a drain pan installed on a lower end of the heat exchanger to collect condensed water generated during heat exchange. A discharge guide(50) is mounted on a lower corner of the case having an outlet formed thereon. The discharge guide includes a vertical member(51a) and a horizontal member(51b) installed on the lower corner of the case, and perpendicularly connected with each other; side members(52a,52b) attached on both sides of the vertical member and the horizontal member; an auxiliary outlet(53) formed on the horizontal member; and protrusive members(54) formed on ends of the vertical member and the horizontal member to allow the discharge guide to be easily mounted. The discharge guide is detachably mounted on the lower corner to guide discharge of the outlet downward. The indoor unit of the air conditioner is laid in the ceiling together with the discharge guide.
Patent KR-20030073205-A (KR)
Title: Method for forming GaN epitaxy layer
Inventor: LIM SI JONG
IPC: H01L21/84
Filed: 2002-03-09
Abstract: PURPOSE: A method for forming a GaN epi-layer is provided to be capable of reducing defects in the GaN epi-layer by forming curvature on a substrate using RIE(Reactive Ion Etching). CONSTITUTION: A curvature is formed by performing reactive ion etching of a substrate(10). A GaN epitaxial layer(12) is then grown on the groove portion of the curvature by using MOCVD(Metal Organic Chemical Vapor Deposition). The GaN epitaxial layer(12) is entirely filled into the curvature by lateral growing.
Patent KR-20030073615-A (KR)
Inventor: CHOI SANG JUN
IPC: C08F234/04
Filed: 2002-03-12
Abstract: PURPOSE: Provided is a polymer which can be produced by a simple process and can give high permeability, increased resistance against dry etch and excellent adhesive property when used in a resist material. A resist composition comprising the polymer is also provided. CONSTITUTION: The polymer is characterized by comprising the repeating unit consisting of the copolymer of butadiene sulfone and maleic anhydride represented by the following structural formula. The polymer has a weight average molecular weight of 3,000 to 30,000. Further, the polymer comprises a first repeating unit of the above formula and a second repeating unit copolymerized with the first repeating unit. The resist composition comprises the photosensitive polymer and a photoacid generator.
Patent KR-20020033683-A (KR)
Inventor: KIM TAE SUK
IPC: B29C43/00
Filed: 2002-03-14
Abstract: PURPOSE: An assembling type drilled roll is provided to prevent the waste of foreign currency by forming fluid passages in vertical and horizontal types such that the fluid passages is formed by a general drilling machine. CONSTITUTION: An assembling type drilled roll includes a cylindrical body, the first and second ends(200,500) mounted at both ends of the cylindrical body, a mounting section(300) and an end section(400). The first end(200) mounted on both sides of the cylindrical body is formed with a hollow portion(201) so that a rotary joint of a calendar machine is inserted into the hollow portion(201). The assembling type drilled roll is rotated at a predetermined speed and the joint is maintained in a fixed state. An inlet pipe(2a) and an outlet pipe(2b) are formed at the joint. The inlet pipe(2a) is coupled to an inlet passage(401) so as to supply thermal medium into the mounting section(300).
Patent KR-20030075890-A (KR)
Title: Composition for overcoat layer of organic electrophotographic photoreceptor and organic photoreceptor employing the overcoat layer formed therefrom
Inventor: LEE NAM JEONG
IPC: G03F7/027
Filed: 2002-03-21
Abstract: PURPOSE: An overcoat layer forming composition for an organic photosensitizer and an organic photosensitizer employing the overcoat layer formed from the composition are provided, to enhance the lifetime of an organic photosensitizer by improving the abrasion resistance, reducing the electrostatic potential and releasing the increase of residual potential. CONSTITUTION: The overcoat layer forming composition comprises 50-99.9 wt% of an acrylate-based polymer based on the solid content of the composition; 0.1-50 wt% of polyvinyl butyral based on the solid content of the composition; and an alcohol-based solvent. Preferably the acrylate-based polymer is the methyl methacrylate-methacrylic acid copolymer represented by the formula 1, wherein m is 10-50 mol% and n is 50-90 mol%; and the polyvinyl butyral is represented by the formula 2, wherein a is 60-90 mol%, b is 0-10 mol% and c is 0-40 mol%. Preferably the alcohol-based solvent is at least one selected from the group consisting of ethanol, butanol, methanol and isopropanol.
Patent KR-20030076031-A (KR)
Inventor: JUNG YEONG TAE
IPC: G02F1/133
Filed: 2002-03-22
Abstract: PURPOSE:A power module for liquid crystal display is provided to secure the reliability of operation by minimizing an error component due to a resistance and set up a delay time of the power module as a user wants. CONSTITUTION:An input control unit(14) receives a clock signal, a gate height voltage, and a control signal. An output control unit(12) receives the control signal, a driving voltage, and the gate high voltage, and outputs a base electric potential when a low control signal is inputted. A first resistance(R7) is installed between the input control unit and the output control unit. A power module including the input control unit and the output control unit is capable of being integrated. A resistance for adjusting delay and a capacitor are installed outside the integrated part(10) to control the size of the resistance and the capacity of the capacitor.
Patent KR-20030076071-A (KR)
Inventor: MIN BYEONG YUN
IPC: G11B20/02
Filed: 2002-03-22
Abstract: PURPOSE: An adaptive equalizer is provided to divide an operation process for compensating filter coefficients by a delay division method, and to operate the coefficients in each divided step, thereby quickly processing the operation by determining an operational speed according to a maximum operational time. CONSTITUTION: The first delay unit(100) sequentially delays an input signal, and outputs the first delay signals. The first multiplier(101) multiplies the first delay signals by filter coefficients. A substantial signal generator(102) adds up all the multiplied results, and outputs filtered substantial signals. The first delayer(103) delays the substantial signals by the first delay time. An error signal generator(105) outputs differences between the delayed substantial signals and the delayed output signals as error signals. A compensating signal generator(200) multiplies the error signals by step coefficients, delays the multiplied results by the second delay time, and outputs filter coefficient compensating signals. The third delayer(109) delays input signals by the third delay time. The second delay unit(108) sequentially delays the delayed signals, and outputs the second delay signals. Filter coefficient generators(110) input the delayed input signals with the second delay signals and the filter coefficient compensating signals, and generate next filter coefficients.
Patent KR-20020075303-A (KR)
Title: Multilayer wiring board assembly, multilayer wiring board assembly component and method of manufacture thereof
Inventor: HIGUCHI REIJI
IPC: H05K3/40
Filed: 2002-03-22
Abstract: PURPOSE: A multilayer wiring board assembly, a multilayer wiring board assembly component and a method of manufacture thereof are provided to easily laminate together flexible FPCs having highly packing densities by via-on-via and chip-on-via. CONSTITUTION: A multilayer wiring board assembly component comprises a copper plated resin film(1) made of a flexible resin film which is provided with a copper foil(2) bonded to one surface thereof and an adhesive layer(3) bonded to the other surface thereof and in which a through hole(7) is opened through the copper foil, the resin film and the adhesive layer, and a conductive paste filler(8) embedded by screen printing in the through hole of the copper plated resin film from the copper foil with a leading end of the conductive paste filler being projected from the adhesive layer.
Patent KR-20030079590-A (KR)
Title: A heating control method of microwave oven
Inventor: LEE BYEONG CHEON
IPC: H05B6/68
Filed: 2002-04-04
Abstract: PURPOSE: A method is provided to prevent damages of components caused due to the high temperature, while reducing manufacturing costs by eliminating the necessity of arranging a damper. CONSTITUTION: A method comprises a step(100,110) of permitting a user to input an operation control signal in accordance with a convection mode; a step(120,130) of operating a heater in accordance with the input of the operation control signal; a step(140) of permitting the temperature of the microwave oven to reach the preset temperature level by operating the heater; a step(150) of stopping operation of the heater and starting operation of the fan motor when the temperature of the microwave oven has reached the preset temperature level; a step(160) of operating the heater when the temperature of the microwave oven has reached the predetermined temperature level by operating the fan motor; and a step(170,180) of repeatedly controlling the steps(150,160) until the end of cooking time.
Patent KR-20030080889-A (KR)
Title: Automatic floating level control
Inventor: KIM SANG HEON
IPC: B01D35/00
Filed: 2002-04-11
Abstract: PURPOSE: An automatic water level controller is provided to increase capacity of purified water tank. CONSTITUTION: The apparatus comprises a purified water tank for storing purified water, a storage tank(15) installed above the purified water tank, a water inlet assembly(33) installed in the storage tank(15) for controlling purified water inflow to the purified water tank, an air bladder(24) moving up and down depending on water level, a pivoting shaft(26) hinge coupled to the storage tank(15), a shaft pin(23) attached to the pivoting shaft(26) for closing or opening the water inlet assembly(33) depending on a height of the air bladder(24).
Patent KR-20030082310-A (KR)
Title: System and method processing data of a member store using a real-time data display apparatus
Inventor: SONG HYUN JONG
IPC: H04N21/60
Filed: 2002-04-17
Abstract: PURPOSE: A system for processing member store data with a real time data output device and a method for processing the same are provided to expect increase of a sale by providing various bonuses to purchasers and outputting the result on a TV screen. CONSTITUTION: A member store data processing server(MSDPS) outputs advertisements of member stores(100a,...,100n) or companies through the televisions of the member stores by the medium of the Internet. A card settlement terminal of the corresponding member store transmits a code of the member store and settlement information to a card settlement/authenticating server(CSS). The member store data processing server provides lottery data to the television of the member store as compensation for settlement of the corresponding purchaser. The member store data processing server provides winning information to the television of the member store. The member store data processing server processes offer of prize money and products.
Patent KR-20020035543-A (KR)
Inventor: CHOI BYEONG DEOK
IPC: H01L21/316
Filed: 2002-04-18
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to form an insulation layer including a boron phosphorous silicate glass(BPSG) layer which is not affected by a characteristic of a prior or post process, by setting up the quantity of added boron and phosphorous as an optimum condition. CONSTITUTION: An etch stop layer(12) is formed on a substrate(10) to prevent the substrate from being damaged by an etch process. The insulation layer(18) added with boron of 5.25-5.75 weight percent and phosphorous of 2.75-4.25 weight percent is formed on the etch stop layer. The insulation layer is reflowed to planarize the surface of the insulation layer while the concave portion among roughness portions is filled with the insulation layer. A predetermined portion of the insulation layer is etched to form an insulation layer pattern having an opening where the surface of the etch stop layer under the predetermined portion is exposed.
Patent KR-20030082778-A (KR)
Title: Process for producing handicraft clay whose main material is wax
Inventor: LEE YOUNG SOO
IPC: C04B33/00
Filed: 2002-04-18
Abstract: PURPOSE: Provided is a production method of casting clay with softness, plasticity and draw down property capable of using repeatedly unlike conventional clay by using wax as a main material, plasticizer, adhesive, emulsifier, etc. CONSTITUTION: The clay used in making figures is produced by the following steps of: melting 10-70wt.% of paraffin wax, 5-25wt.% of polyethylene glycol, 1-30wt.% of caster oil as a plasticizer, 0.1-10wt.% of surfactant as a emulsifier, and 0.1-10wt.% of sodium as a stabilizer by heating at 90deg.C; adding 5-40wt.% of polyester polyol for elasticity and hardness, and 5-30wt.% of polybutene as an adhesive; adding 20-65wt.% of calcium carbonate as a filler and an effective amount of pigment; and mixing homogeneously for 0.5-2hrs.