baber/WOPTO huggingface dataset:
Patent KR-20000001877-A (KR)
Title: Washing machine and washing methodv
Inventor: SIN JUNG SU
IPC: D06F39/10
Filed: 1998-06-15
Abstract: PURPOSE: A washing machine and a washing method are provided to prevent water contamination and to save washing time and water by separating and collecting a hydrophobic detergent which is not solved by washing water. CONSTITUTION: The washing machine and a washing method comprises: a washing and dehydrating container(130) having a pulsator in the inner side, installed inside a water container suspended in the inner side of a main body; a shaft device(160) installed to interlock with a driving device for transmitting the revolving force to the pulsator and the washing and dehydrating container; a device for separating a hydrophobic non-solved detergent contained in the washing water from the washing water.
Patent KR-20000007425-A (KR)
Title: Deviation amount detection apparatus of suspension position for wheel loading
Inventor: PARK TAE GAB
IPC: B65G43/04
Filed: 1998-07-03
Abstract: PURPOSE: An apparatus for detection of the deviation of the suspension position of a pole for wheel loading is provided to promote the reliability, the productivity and the working efficiency. CONSTITUTION: A deviation detection apparatus comprises:a wheel inflow line(100) to control and to continuously flow in wheels by a loading conveyer; a pretreatment line(200) to load the wheels on a hanger repeatedly circulate in the line and to remove the cream and the filth on the surface of the wheels; a first painting line(300) to firstly paint the wheels finished with the pretreatment after loading the wheels on the pole; and a drying line(400) to load the painted wheels by a loading device and then to dry the wheels.
Patent KR-19990023185-A (KR)
Title: 게이트 구조 및 그의 제조 방법, 박막 트랜지스터 구조 및 그의 제조 방법, 인버티드 트랜지스터 구조
IPC: H01L29/49
Filed: 1998-07-08
Abstract: 게이트 유전체 층은 게이트 전극에 정렬되며 그 전극을 연속적으로 덮는 탄소 막을 포함한다. 탄소 유전체 막은 아주 다양한 게이트 금속에 증착되며, 게이트 금속을 에칭시키지 않는 에칭 공정에 의해서 쉽게 에칭된다. 바람직한 실시예에 있어서, 자기 정렬된 탄소 게이트 유전체는 플라즈마 증착 및 이에 후속하는 여분의 게이트 유전체 증착에 의해서 증착된다.
Patent KR-19990013862-A (KR)
IPC: C08J11/24
Filed: 1998-07-10
Abstract: The invention relates to a process for depolymerising one or more polyamides in the presence of at least an aliphatic alcohol, the depolymerisation taking place with at most 40 mol.% catalyst. This process provides good selectivity towards the monomeric components of polyamides. This process moreover causes as few waste streams as possible.
Patent KR-19990014318-A (KR)
Inventor: KONDO TETSUJIRO
IPC: H04N7/01
Filed: 1998-07-31
Abstract: 본 발명은 화소수가 적은 SD 화상으로부터 화소수가 많은 HD 화소를 생성하는데 있어서, 화질이 좋은 HD 화상을 얻을 수 있도록 하는 화상 처리 장치 및 방법이다. 구체적으로 메모리(101 내지 103)에는 제 1 계층의 D화상, 그것으로부터 화소수가 적은 제 2 계층의 SD 화상, 또한 화소수가 적은 제 3 계층의 SD 화상이 각각 기억되어 있다. 다계층 클래스 분류부(104)에서는 예를 들면, 제 1 내지 제 3 계층의 SD 화상 중 어느것인가가 선택되고, 주목하고 있는 HD 화상의 화소인 주목 화소가 선택된 계층의 SD 화상을 구성하는 화소이고, 그 주목 화소의 부근에 있는 것의 성질에 따라서, 소정의 클래스에 분류된다. 그리고, 적응 처리부(l05)에 있어서, 그 클래스에 대응하여 주목 화소의 예측치를 구하는 처리(적응 처리)가 행하여진다.
Patent KR-19980072210-A (KR)
Title: 가두리 양식장용 어망 구조물
Filed: 1998-07-31
Abstract: 본 발명의 가두리 양식장 어망 구조물은 어망(2)의 측부에 일정한 간격으로 복수개의 부력부재(10)를 취부하고, 어망(2)의 하단부에는 어망 하부 부력부재(10 y )가 설치되며, 어망 하부 부력부재(10 y )로부터 연장된 로우프(7)가 바다의 바닥면에 고정되도록 하는 구조를 갖는다. 상기 부력부재(10)는 약 0.5∼1.5m의 일정간격으로 어망(2)에 취부되며, 이 부력부재(10)는 복수개의 단위부재(101)를 조립한 형태로서 원형을 비롯하여 4각, 6각, 8각, 10각 등과 같은 다각형의 구조를 이루고, 각각의 단위부재(101)에는 서로 인접하는 단위부재와 조립되도록 그 단부에 각각 암나사부(105)와 숫나사부(106)가 형성되고, 그 내부에는 부력을 부여하여 수심이 낮아진 경우에 바다 표면쪽으로 뜰 수 있도록 하기 위한 부력물질(104)이 충진된다. 이 부력물질(104)로는 우레탄을 발포시킨 발포우레탄을 충진하거나 압축공기를 주입시킨다.
Patent KR-20000013544-A (KR)
Title: Apparatus and method for fabricating freeform for high quality optical fiber
Inventor: CHOI IN SIK
IPC: C03B37/012
Filed: 1998-08-10
Abstract: PURPOSE: An apparatus for fabricating a preform for optical fibers uses the outside vapor deposition method and a plurality of burners to remarkably improve non-uniformity of deposition on the boundary between the burners and thereby produce high quality optical fibers. CONSTITUTION: An apparatus for fabricating a preform for optical fibers comprises:a deposition shelf(10) for placing a core forming target or a primary preform, the deposition shelf rotating at a predetermined speed to deposit a plurality of burners and rapidly returning to the original position; a gas supply controller(20) for supplying a reactive gas (SiCl4, GeCl4, O2) for forming deposition particles for a core or clad, a clean hydrogen flame gas for causing oxidation of the reactive gas, and argon gas for preventing a close of a reactive gas outlet port burner with the deposition particles caused by a temperature rising, and controlling the gas supply according to the state of the boundary between the burners; a plurality of burners being separated from each other at a distance controllable for preventing non-uniform deposition on the boundary; a deposition particle surface temperature sensor(40); a deposition particle outer diameter sensor(50) for uniformly maintaining the diameter of the deposition particles; and an exhaust gas collector(60) for purifying an exhaust gas and particles not deposited on the core forming target or the primary preform.
Patent KR-20000013894-A (KR)
Title: Device for treating threefold lateral folding sealing for sealing postcard
Inventor: CHO CHANG WOOK
IPC: B42D15/08
Filed: 1998-08-14
Abstract: PURPOSE: A device is provided for a sealing postcard being formed by a continuous sealing postcard paper to be automatically treated a cut line, a fold, and a seal. CONSTITUTION: A threefold width folded sealing treating device(10) is formed by: an upper side main body frame(11) containing various equipment inside for being protected by a side surface supporter cover(13) and an upper side cover(14); a lower side main body frame(12) containing an inner side of a supporting frame(15) for installing a motor(19) and the other side for installing a lid surface collecting container(18) being possibly removed for collecting a lid surface; and a caster(16) being installed on the lower surface of the supporting frame for moving conveniently the threefold width folded sealing treating device. Therefore, the size of the lid surface can be reduced for realizing a compact device, and the width of a cutter, the length between a front and a rear rollers in a transferring cutting unit, and the pressure between rollers in a compressing unit can be adjusted according to the width, the length, and the thickness of the sealing postcard.
Patent KR-19990023743-A (KR)
Title: 강유전체막형성용 용액 및 강유전체막의 형성방법
IPC: C01B13/14
Filed: 1998-08-20
Abstract: 유기용매에 강유전체를 구성하는 금속의 유기금속화합물이 용해되어서된 용액중에 아세틸아세톤 및 질산수용액이 함유되어서 강유전체막 형성용 용액이 형성되어있다. 이 용액을 기판상에 도포하여 건조시켜서 소결시키므로서 강유전체막을 얻는다. 그 결과 주기표 2족의 원소를 함유하는 PZT나 PLZT막등의 강유전체막을 형성하는경우에도 결정의 석출이나 겔화가 생기지않고 다시또 용액점도의 시간경과 변화도 적은 안정된 강유전체막 형성용 용액이 얻어지고 2족의 원소를 함유하고 강유전특성이 우수한 강유전체막을 용이하게 얻을수가 있다.
Patent KR-20000015551-A (KR)
Title: Electron flood gun of an ion implanter
Inventor: HA TO-SEON
IPC: H01L21/265
Filed: 1998-08-31
Abstract: PURPOSE: An electron flood gun is provided to prevent an inferiority that filament bound with a heater fixing block is separated even though the heater fixing block is heated and expanded thermally. CONSTITUTION: An electron flood gun comprises: hot electron emitting part(70) made of a filament coil bound with a bar type insulator in several times; and heater fixing block(60) established at both end of the hot electron emitting part(70), respectively, and fixing the hot electron emitting part. The heater fixing block(60) consisted a fixing block(61) where the end of the insulator is closely bound with one side and having a hole where the end of the filament passes through the one side and be inserted, and an adapter(65) bound with a side of the fixing block(61) and closely fixing the end of the insulator located in a side of the fixing block with a side of the fixing block.
Patent KR-19990029805-A (KR)
Title: 기록 장치, 기록 방법 및 디스크형 기록 매체
IPC: G11B27/00
Filed: 1998-09-15
Abstract: 재기록 가능한 디스크를 판독 전용 디스크의 드라이브에 의해 재생하기 위한 처리를 효율적으로 행한다. 
     재기록 가능한 디스크의 판독 영역에 WBBM을 기록한다.  WBBM은, 기록 재생의 단위인 블럭별로 기록 종료/미기록을 나타내는 비트 맵이다.  판독 전용 디스크의 드라이브가 씨크를 가능하게 하고, 서보를 안정적으로 하기 위해, 기록 종료의 블럭의 주변에 더미 데이타를 기록하는 종료 처리가 이루어진다.  이 때에, WBBM을 참조함으로써, 처리의 효율을 향상시킬 수 있다.  복수의 WBBM을 링 구조로 하고, WBBM을 순서대로 갱신함으로써, 동일 영역에 대한 기록의 집중을 방지할 수 있고, 또한, 정전 등에 의한 WBBM의 파괴에 대한 보상이 가능해진다.  갱신 카운터의 값으로, 최신의 WBBM을 나타낼 수 있다.
Patent KR-20000020134-A (KR)
Title: Inorganic coagulant and the preparation method thereof
Inventor: OH JUN SUK
IPC: B01D21/01
Filed: 1998-09-18
Abstract: PURPOSE: An inorganic coagulant and the preparation method thereof are provided, which are characterized in that alkali sodium silicate sulfate applicable in a wide range of pH is used as coagulant, thus it is especially effective in waste water treatment from paper mills. CONSTITUTION: Aluminium sulfate which is about 8 weight percents in liquid-phase is produced by reacting aluminum hydrate with sulfuric acid. The solution is mixed rapidly, and soda ash(NaCO3-nH2O) is added to produce basic aluminum sulfate. When aluminum sulfate is produced, water can be added. Soda ash is mixed with effective amount of water, and preferably soda ash is slurry. The concentration of basic aluminum sulfate is about 8 weight percents. When the solution is too watery, the velocity of reaction is too late. But when the solution is too thick, it is too difficult to manage the solution. Sodium silicate solution is mixed rapidly for 90 minutes-2 hours, and acid is added. The solution and the basic aluminum sulfate solution are mixed to make the coagulant.
Patent KR-20000021538-A (KR)
Title: Automatic focus system of video camera
Inventor: HWANG KWANG DEOK
IPC: H04N5/232
Filed: 1998-09-30
Abstract: PURPOSE: An automatic focus system of a video camera is provided to automatically adjust a focus of the video camera, by using image information which the video camera obtains by shooting a subject. CONSTITUTION: An automatic focus system of a video camera comprises: an analog/digital converter for outputting a brilliance signal of each pixel outputted from a picture signal processor of a video camera, by converting into a digital signal; a space high frequency filter section for outputting the element value of the brilliance signal high frequency, by filtering the output value of the analog/digital converter to a filter counter; a selection accumulator for outputting accumulated data by repeating an operation, selectively accumulating the output value of the space high frequency filter section, about total pixels with one field screen; an accumulation controller for processing the output value of the analog/digital converter to a Robinson edge abstracting technique, deciding whether a pixel corresponding to the output value is an edge, and for controlling the selection accumulator so that the selection accumulator can accumulate only the element value of the high frequency, which is corresponding to the output value of the analog/digital converter, when the pixel is the edge; and a focus adjuster for comparing the accumulating data with the standard value, for moving a focus lens when the data is small, for deciding as an optimum focus state when the data is big, and for fixing the focus lens in a current location.
Patent KR-20000025203-A (KR)
Title: Rubber composition with improved high temperature curing property of natural rubber
Inventor: PARK YONG KWON
IPC: C08L9/00
Filed: 1998-10-09
Abstract: PURPOSE: A rubber composition is provided to improve the high temperature curing property of a common natural rubber composition and to reduce the time required for the curing, thereby to increase the productivity. CONSTITUTION: A rubber composition comprises 100 parts by weight of a natural rubber which contains a synthetic rubber; 30-60 parts by weight of carbon black with a nitrogen adsorption surface of 60-140 square meter per gram; 0.5-3.0 parts by weight of BCL-MX (1,3-bis(citraconidomethyl)benzene); 0.2-3.0 parts by weight of alkyl phenol disulfide (APD); and common additives. The synthetic rubber can be contained in the rubber composition to the amount of 30 parts by weight, and is selected from butadiene rubbers and styrene butadiene rubbers.
Patent KR-20000025934-A (KR)
Title: Safety indicator light for road indication
Inventor: KANG GU HWAN
IPC: F21S2/00
Filed: 1998-10-15
Abstract: PURPOSE: A safety indicator light for indicating on a road is provided to feed the generated power according to the ambient brightness to a lamp and to induce a vehicle to travel without power supply. CONSTITUTION: A safety indicator light is operated by: starting to charge a charge unit without feeding power generated from a solar cell(7) to a light emitting unit(5) if a switch is acted to a charge path by a switching unit(12); immediately stopping charging the unit if the power from the solar cell is not generated; and serving light emitting diodes or laser diodes of the light emitting unit as an energy source to radiate a specific lights by discharging the power of the charge unit. The charge unit charges the sufficient amount of power to emit lights from the light emitting unit for a week at the maximum.
Patent KR-19990007644-A (KR)
Title: 어군탐색정보 제공방법 및 어업정보시스템
Filed: 1998-10-16
Abstract: 어업지원(漁業支援) 분야에 관한 것으로써, 어선위치(漁船位置)와 어획물량(漁獲物量) 또는 어선위치통계(漁船位置統計)와 어획물량통계(漁獲物量統計) 자료(資料)를 이용하여 어군탐색정보를 생산하고 이를 현장의 어선에 제공하는 방법 및 그 어업정보시스템에 관한 것으로써 어업정보화(漁業情報化)를 효율적 달성하기 위한 것임.
Patent KR-20000025980-A (KR)
Title: Preparation method of polymer miscible with waste polystyrene resin and preparation method of paint binder using waste polystyrene resin
Inventor: IM GYU O
IPC: C08F212/00
Filed: 1998-10-16
Abstract: PURPOSE: A method for preparing a polymer miscible with a waste polystyrene resin and preparation method of a paint binder using the waste polystyrene resin are provided which can produce the paint binder at ordinary temperatures without a high-temperature heat treatment and reduce environmental pollution. CONSTITUTION: A preparation method of a polymer miscible with a waste polystyrene resin comprises (a)preparing a first solution by reacting 8.6 ±3% of aliphatic acid, 7.8 ±3% of glycerine, 4.1 ±3% of penta, 11 ±3% of phthalic anhydride until an acidic value becomes from 10 to 13; (b)preparing a second solution by mixing the first solution with 18.6 ±3% of xylene; (c)preparing a third solution by reacting the second solution with 28.6 ±3% of styrene monomer, 0.4 ±3% of ditetrabutyl peroxide, 0.3 ±3% of benzoic peroxide; (d)diluting the third solution with 20.6 ±3% of xylene. Also described is a method for preparing a paint binder using the waste expanded polystyrene resin.
Patent KR-20000026751-A (KR)
Title: Bellows pipe
Inventor: KIM BYEONG JIN
IPC: F16L27/11
Filed: 1998-10-22
Abstract: PURPOSE: A new type of bellows pipe is provided to minimize the deposition of powder on a corrugated case and to make easy the cleaning. CONSTITUTION: A bellows pipe(10) is composed of a first and a second flanges and a socket type slide tube. Herein, the path of the bellows pipe is formed in straight line by the slide tube so that the flow of fluid is smooth. And powder is deposited on the inner face of the slide tube not on the corrugated part(12a) of the corrugated case. Then, the amount of the powder is small because of the smooth flow of fluid. The powder deposited in the bellows pipe can be reduced by cleaning after separating the slide tube. And the cleaning of the corrugated case is easy according to the small amount of powder deposited in the corrugated case.
Patent KR-19990014402-A (KR)
Title: 건축용 황토패널의 구조
Filed: 1998-11-05
Abstract: 본 발명은 황토를 이용하여 독립되는 벽체패널을 성형하고 이 벽체패널을 이용하여 건축물의 벽체를 조립식으로 완성시키기 위한 건축용 황토패널의 구조에 관한 것이다. 
     흙집은 대나무나 수수깡, 나무등으로 엮은후 흙을 개어 발라 외벽을 이루어 주거용으로 주로 사용하는 것이었으나 이러한 흙집은 보온효과가 떨어지며 미려하지 못하고 건축이 어려운 것이었다. 
     따라서 본 발명은 틀체의 내부에 기둥과 보를 설치하고 기둥과 보의 사이공간에 힘살에 의해 이중으로 지지되는 철망과, 철망사이의 중앙에 공간을 두고 상기 철망의 양측으로 황토흙을 발라서 이중의 황토벽을 형성하여 황토패널을 제조하며, 
     틀체 내부의 기둥과 보의 사이공간에 힘살에 의해 지지되는 철망을 설치하고 일측으로 황토벽을 틀체와 보 및 기둥의 내부에 방수턱을 형성하며, 틀체의 내부에 연결공을 설치하여 황토패널을 조립식으로 설치하도록 하여 항온, 방습효과가 뛰어나고 벽체를 이중으로하여 단열과 습도조절이 탁월할 뿐만아니라 조립식이면서 저렴하고 균일한 품질의 황토패널을 제공하는 것이다.
Patent KR-20000031407-A (KR)
Title: Feed additives for marine animal
Inventor: JO TAE JUN
IPC: A23K1/00
Filed: 1998-11-06
Abstract: PURPOSE: To obtain a cheap, high quality feed additives using seeds and a peel of citron, improving resistance to bacteria and diseases of marine animal. CONSTITUTION: This feed additive contains a citron powder which comprised steps that washing the seeds and a peel of citron, cutting and drying with heating dryer for 12-18 hours. This powdery additive is added to feed 0.1-10 wt.% and marine animal fed this, have a natural color, high quality of meat.
Patent KR-20000032076-A (KR)
Title: Device and method for setting up present time of image device
Inventor: LEE JAE KYEONG
IPC: H04N21/43
Filed: 1998-11-12
Abstract: PURPOSE: A device and a method for setting up a present time are provided to automatically setting up a time with data of time information without setting up the time by a user whenever a power is turned off and turned on again. CONSTITUTION: A setting-up device of present time contains: a tuning unit(10) to receive a channel of a broadcasting signal; a detecting unit of time information(20) to detect data of time information in the tuned channel; a storing unit of time information(40) to store the time information for each channel detected in the detecting unit of time information(20); a timer unit(50) to compensate the time information of the storing unit of time information(40); and a microcomputer(30) to set up as the time information of the image unit when the time information for each channel stored in the storing unit of time information(40) is the same time information by comparing. When a power of the image unit is turned off and turned on again, the microcomputer(30) inside the image unit is reset, and an operation for setting up the time of the image unit is started. Data of time information is stored in the storing unit of time information(40) by detecting through the detecting unit of time information(20), and the data of time information is automatically set up as a time of the timer unit(50) when the data is conformed to the time information stored in the storing unit of time information(4) by detecting the data of the time information whenever the channel is changed.
Patent KR-19990045325-A (KR)
Title: 기계적 체결 차동 장치
IPC: B60K17/16
Filed: 1998-11-16
Abstract: 차동 구동 장치는 구동 하우징 내에서 축 주위로 회전 구동 가능하게 지지되고 동축 보어 내에 두 개의 차축 기어가 배치되는 한편 축 주위로 상대 회전이 가능하도록 지지된 차동 캐리어와, 상기 차동 캐리어 내의 평행 축 원통형 포켓에 회전 가능하게 지지되고 차동 캐리어와 함께 회전하는 복수개의 차동 기어를 구비하며, 이 차동 기어 중 제1 그룹은 차축 기어 중 하나와 결합하고 제2 그룹은 차축 기어 중 다른 하나와 결합하며, 상기 차축 기어와 차동 기어는 헬리컬 기어를 포함하며, 상기 차동 기어는 치두에서 포켓과 접하여 회전하고, 상기 차동 캐리어는 차축 기어용 보어와 차동 기어용 포켓을 포함한 중심부와 보어 및 포켓을 축방향으로 폐쇄하는 두 개의 덮개부로 구성되어 있다.  중심부(12)에는 중심부(12)의 단부면(35, 36) 및/또는 덮개부(13, 14)의 내면(37, 38)에 있는 연결 홈(43, 44)을 거쳐 각각의 단부면에서 노출된 포켓(31, 32)의 개방 단부로 연결된 연속 평행축 오일 복귀 보어(41)가 제공된다.
Patent KR-20000033378-A (KR)
Title: Equipment for manufacturing semiconductor device
Inventor: OH SEONG TAE
IPC: H01L21/02
Filed: 1998-11-23
Abstract: PURPOSE: An equipment for manufacturing semiconductor devices is provided to prevent a process variation, and to improve a process control capability of the equipment. CONSTITUTION: An equipment for manufacturing semiconductor devices comprises a chamber(102), a 1st gas supplier, a 2nd gas supplier and a divert line(114). A process is performed in the chamber(102). The 1st gas supplier supplies a reaction gas into the chamber(102). The 2nd gas supplier supplies a carrier gas for transferring the reaction gas into the chamber(102). The divert line(114) minimizes a flow variation of the reaction gas after the reaction gas is supplied into the chamber(102) by the carrier gas.
Patent KR-20000033622-A (KR)
Title: Method for erasing redundant channel in auto-search operation of broadcasting signal receiving device
Inventor: BANG JIN YONG
IPC: H04N5/50
Filed: 1998-11-25
Abstract: PURPOSE: A method for erasing a redundant channel in an auto-search operation of a broadcasting signal receiving device is provided. CONSTITUTION: A method for erasing a redundant channel in an auto-search operation of a broadcasting signal receiving device comprises the steps of performing a first auto-search operation for searching video synchronous signals of each channel band, and recording and storing the searched channels in a memory unit, under the control of a microcomputer in a broadcasting signal receiving device, such as TV or VCR(S100); initializing two variables when the user selects a second auto-search operation(S101,S102), and sequentially reading from the memory unit the channel data searched in the first auto-search operation(S103); A/D converting the video signals of each channel(S104); confirming whether the video signals of the two channels(CH(M+1), CH(K+1)) have the identical DC level; and erasing the channel(CH(K+1)) when the video signals have the identical DC level(S105,S106). Accordingly, when one identical broadcast is redundant in different channels during the auto-search operation of a tuner of the TV or VCR, one of the channels can be automatically erased.
Patent KR-20000040906-A (KR)
Title: Method for planarizing surface using duplicate resist coating
Inventor: PARK JU YEON
IPC: H01L21/302
Filed: 1998-12-21
Abstract: PURPOSE: A method for planarizing a surface using a duplicate resist coating is provided to easily planarize a surface by using photoresist having different coating conditions. CONSTITUTION: A method for planarizing a surface using a duplicate resist coating comprises the steps of: evaporating a SiO2 layer(12) on a substrate(10) having a pattern(11); evaporating a first photoresist layer(13) with photoresist of high viscosity on the SiO2 layer by using a photo-etching process; eliminating a photoresist layer in a portion bended by the pattern(11) existing in the first photoresist layer(13); evaporating a second photoresist layer of low viscosity in the space between the SiO2 layer formed by the photo-etching process and the first photoresist layer.
Patent KR-20000041714-A (KR)
Title: Wafer transferring apparatus
Inventor: KIM JEONG JU
IPC: H01L21/68
Filed: 1998-12-23
Abstract: PURPOSE: A wafer transferring apparatus is provided to prevent the twisting of coupled portions in a rotation shaft by forming a linear reference surface on the rotary shaft. CONSTITUTION: A wafer transferring apparatus comprises a rotator(160), a rotary shaft(130) and a driver(180). The rotator(160) has a support for supporting the wafer. The rotary shaft(130) comprises a shaft(110), a spindle(120) and a coupler(140) for coupling the shaft and the spindle. The driver(180) drives the rotation shaft. A portion of the shaft coupled to the spindle is removed to form linear reference surface. The inner circumference of the spindle is engaged with the reference surface to rotate the rotator(160).
Patent KR-20000041832-A (KR)
Title: Field emission display comprising protection film
Inventor: PARK SUNG KYU
IPC: H01J19/24
Filed: 1998-12-23
Abstract: PURPOSE: A field emission display is provided to block a harmful gas component lowering the internal vacuum of the device by forming a protection film on a fluorescent film. CONSTITUTION: A field emission display includes: a cathode substrate(1) and an anode substrate(6); a cathode electrode(2) formed on the cathode substrate; an emitter(5) formed in a micro tip on the cathode electrode; an anode electrode(7) formed with a transparent conductive film on the anode substrate; a fluorescent film(8) formed on a bottom of the anode electrode; and a protection film(20) where polymer having the characteristics of passing electrons emitted from the emitter to the phosphor and blocking gas components generated from the phosphor is formed on the bottom of the fluorescent film. The field emission display can prolong the lifetime of the FED and can assure the reliability and can improve the performance of the FED.