baber/WOPTO huggingface dataset:
Patent KR-20010062595-A (KR)
Inventor: KARIMI HAMID REZA
IPC: H04J99/00
Filed: 2000-12-21
Abstract: PURPOSE: A method, protocol and computer program for operating a cellular radio telecommunications network are provided to reuse(Same cell reuse: SCR) a frequency within a same cell without assignment of a different signature to an SDMA user, sharing a game physical channel. CONSTITUTION: This invention allows assignment of different signatures to SDMA users in a GSM system. In this case, one single physical cell with an SDMA base station is separated into several logical GSM cells. This invention also extends to a method of operation a time division multiple access cellular radio telecommunications network, in which physical channels may be reused in the same cell, reused channels on the up link being differentiated by a time shift between them.
Patent KR-20020051549-A (KR)
Title: Quantization and metric estimation method for iterative decoder
Inventor: KIM SU YEONG
IPC: H03M13/41
Filed: 2000-12-22
Abstract: PURPOSE: A quantization method and a metric calculation method in a repetitive decoder are provided, which quantize a signal received by a BPSK or QPSK modulation into a digital signal of q bits and calculate the metric using the above value. CONSTITUTION: According to the quantization method and the metric calculation method in a repetitive decoder of a digital communication system receiver correcting an error generated in a channel by receiving a BPSK- or QPSK-modulated signal through the channel, the method includes the first step of quantizing the above received signal into bits of an integer(q) above at least 2, and the second step of performing a soft judgement output viterbi decoding repetitively using the quantized received signal. According to the first step, the received signal is compared with judgement levels(qlevel(ql)) which are tabled in advance, and then is quantized into the above q bits according to the judgement level.
Patent KR-20020052481-A (KR)
Title: Manufacturing method of Polyamide film
Inventor: CHO WON HYEONG
IPC: B29C55/10
Filed: 2000-12-26
Abstract: PURPOSE: A method for fabricating a biaxially stretched polyamide film is provided to prevent the mechanical characteristic of the biaxially stretched polyamide film from being lowered while reducing the deformation of dimension thereof caused by a thermal-shrinkage. CONSTITUTION: Polyamide homopolymer is molten and mixed in a compressor. Then, polyamide homopolymer is discharged into a circular die and quenched thereon. After that, polyamide homopolymer is biaxially stretched in a stretching tower. Then, polyamide homopolymer is thermally fixed by using a heater roll and an oven. When stretching the polyamide homopolymer, the stretching ratio is about 1:2.35 to 2.8, and the temperature of the heater roll is about 160 to 200°C. The thermal shrinkage rate of a film with respect to steam in longitudinal and transverse directions thereof is about 3 to 7%. The thermal shrinkage rate of the film with respect to hot water in longitudinal and transverse directions thereof is respectively 1.5 to 2.5% and 1.0 to 2.0%.
Patent KR-20010062714-A (KR)
Inventor: TANABE HIROSHI
IPC: B23K26/12
Filed: 2000-12-26
Abstract: PURPOSE: To irradiate a laser only in a desirable region by a method wherein a positional deviation between a stage and a substrate is restricted. CONSTITUTION: A semiconductor thin film modifying device comprises: an airtight container in which a substrate to which a semiconductor material is adhered can be accommodated in a predetermined substrate mounting part; a light source for irradiating lights for heating the semiconductor material up to a predetermined heating temperature by irradiating on the semiconductor material; a light transmission window which is provided in an airtight container, for transmitting lights from the light source to introduce into the airtight container, a holding means which is provided in a substrate mounting part, for fixing and holding the substrate to the substrate mounting part; and a pressure control means for controlling so as not to drop lower than a vapor pressure prescribed according to temperatures of the semiconductor material fused and heated by optical irradiation.
Patent KR-20020053560-A (KR)
Title: Method for forming a separation film of a semi-conductor device
Inventor: PARK SEONG HUN
IPC: H01L21/76
Filed: 2000-12-27
Abstract: PURPOSE: A method for an isolation film of a semiconductor device is provided to restrain a void created by the gap filling by performing the gap filling after progressing the gap filling through the SEG(Selective Epitaxial Growth). CONSTITUTION: A pad oxide film(20) and a pad nitride film(30) are successively formed on a semiconductor substrate(10). A resist pattern for exposing a device isolation area is formed on the pad nitride film. A shallow trench is formed by etching the pad nitride film, the pad oxide film and the substrate. A thermal oxide film is formed to the inside of the upper part of the nitride film and to the inside of the shallow trench by implanting a nitrogen. The oxide film on a bottom of the shallow trench is removed and the gap filling(60) is performed after the SEG(50) is progressed at the inside of the shallow trench.
Patent KR-20020054552-A (KR)
Inventor: JUN BYEONG GIL
IPC: G11C29/04
Filed: 2000-12-28
Abstract: PURPOSE: A redundancy circuit of a semiconductor memory device is provided to enhance efficiency of repair by substituting redundancy cells corresponding to error types of a memory. CONSTITUTION: A main memory cell is connected with a main word line decoder(11), the second sub word line decoder(13), and each sub word line(SWL0,1,2,3). A redundancy memory cell is connected with a redundancy word line decoder(10), the first sub word line decoder(12), and each redundancy sub word line(RSWL0,1,2,3). The redundancy word line decoder(10) includes a fuse circuit having three different output states according to an input signal. The redundancy word line decoder(10) is used for substituting redundancy cells corresponding to error types generated from normal cells by controlling cutting operations of the fuses according to the input signal.
Patent KR-20020054699-A (KR)
Title: Methods of Making Bundle Tubes And Appartus for Use in Such Method
Inventor: TAK TAE SIK
IPC: B21D39/00
Filed: 2000-12-28
Abstract: PURPOSE: A method and an apparatus for fabricating a multi-pipe are provided to improve the workability and productivity and to reduce the fault rate by automatically performing whole manufacturing process for the multi-pipe. CONSTITUTION: A slitting process(10) is carried out for slitting a stainless steel plate in a predetermined size. A forming process(20) is performed to form a pipe by allowing material to passes through between forming rollers. A swirl inspection process(30) is carried out by using a swirl detection device. A sizing process(40) is carried out to allow the pipe to have a constant diameter. Then, a cleaning process(60) is performed, in which the pipe is fed to a cleaning device through a winder. The pipe that has been passed through the cleaning device is conveyed to a heat treating device. The pipe is annealed in the heat treating device(70). Then, a hydrostatic testing process(80) is carried out to detect a crack in the pipe. A color coating process(90) is then performed to the pipe by using a color coating device.
Patent KR-20020055007-A (KR)
Title: Detent spring structure of auto lever
Inventor: JUNG WON JIN
IPC: B60K20/02
Filed: 2000-12-28
Abstract: PURPOSE: A detent spring structure for an auto lever is provided to facilitate rolling motion while to remove friction noise between a roller housing and a detent roller, and the detent roller and a groove as well, by integrally forming plastic roller housing to steel detent spring, and rotatably hinge-fixing the detent roller to the roller housing. CONSTITUTION: A detent spring structure for an auto lever comprises a steel detent spring(50), a plastic roller housing(52), and a plastic detent roller(54). The steel detent spring is coupled to a lower portion of a lever shaft. The plastic roller housing is coupled to one side of the detent spring. The plastic detent roller is hinged to one side of the roller housing so as to be rolled through a groove installed to a lever bracket. At both sides of the lower portion of the roller housing is formed an axis groove as to rotatably support axis projectingly installed to both ends of the detent roller with its one side opened.
Patent KR-20020059072-A (KR)
Title: Cassette for carrying glass
Inventor: RYU MYEONG GWAN
IPC: G02F1/13
Filed: 2000-12-30
Abstract: PURPOSE: A cassette for loading glasses is provided to reduce the degree of warping of a glass, which occurs in a cassette in which large-sized thin glasses used for manufacturing LCDs are loaded. CONSTITUTION: A cassette(51) for loading glasses includes a glass support(53) and a side support(53a). The glass support is extended from both sides of the cassette to the center of the cassette. The side support is connected to both ends of the glass support. The side support is bent upward. The side support is formed along the inner side of the cassette or selectively formed at a portion of the cassette. The cassette further includes a support pin selectively arranged on the glass support, and a support frame traversing inside the cassette.
Patent KR-20010022558-A (KR)
Title: Indole derivatives as mcp-1 receptor antagonists
IPC: A61K31/403
Filed: 1998-08-04
Abstract: The invention concerns pharmaceutically useful indoles of formula (I), in which Z, X, T, A, R1, R2, p and q have any of the meanings defined herein, and their pharmaceutically acceptable salts or in vivo hydrolysable esters, as well as pharmaceutical compositions containing them. The novel compounds possess inhibitory activity against monocyte chemoattractant protein-1 (MCP-1). The invention further concerns the use of such indoles in the treatment of a disease or condition mediated by MCP-1.
Patent KR-20010023107-A (KR)
Title: 루테늄 착물의 제조방법
IPC: C08G61/08
Filed: 1998-08-20
Abstract: (a) 환원제 및 수소 존재하의 불활성 용매 중에서 RuX 3 와  L 1 및 L 2 의 반응 및, 
     (b) 물의 존재 또는 부재하에서 화학식 (II)의 화합물과 반응시키고, 필요에 따라 중간체를 단리한 후, HY, [HL 1 ]Y 또는 [HL 2 ]Y와의 반응을 통해 제조되는 화학식 (I) 또는 (IV)의 루테늄 착물. 
     ＜화학식 II＞ 
     R-C≡CH 
     (R은 수소이거나 치환 또는 비치환된 C 1 -C 20 -알킬 라디칼 또는 C 6 -C 20 -아릴 라디칼임) 
     ＜화학식 I＞ 
     RuX 2 (=CH-CH 2 R)L 1 L 2   
     ＜화학식 IV＞ 
     RuXY(=CH-CH 2 R)L 1 L 2   
     (상기 식에서, X, Y는 음이온 리간드이고, R은 상기의 정의와 같고, L 1 및 L 2 는 각각 독립적으로 하전되지 않은 전자 공여 리간드임).
Patent KR-20010024160-A (KR)
Title: 통신 촉진 데이터를 업데이터하는 방법
IPC: G06Q10/10
Filed: 1998-09-10
Abstract: 통신 촉진 데이터 카드의 형태로 통신 촉진 데이터가 송신되는 자동적인 경로에, 히스토리 리스트가 사용된다. 통신 촉진 데이터 카드가 변경될 경우, 변경된 통신 촉진 데이터 카드는, 히스토리 리스트에 의해 지적된 바와 같은 모든 이전 발신인에게 자동적으로 송신된다. 이 방법은, 유저가 그들 자신의 통신 촉진 데이터 카드를 변경시킬 경우, 그리고, 통신 촉진 데이터 카드가 유저에 의해서 제 3부분으로 중계되어, 통신 촉진 데이터 카드의 업데이터된 버전이 수신되는 경우에, 적용된다. 히스토리 리스트 및 통신 촉진 데이터 카드의 유지보수는, 바람직하게는, 개인 통신 보조 장치에서 수행되고, 송신은 바람직하게는 무선 통신 시스템을 경유한다. 통신 촉진 데이터 카드를 처리하는 방법은, 통신 촉진 데이터 카드가 업데이터되는 경우, 유저에 있어서의 에러와 부하를 줄인다.
Patent KR-20010031332-A (KR)
IPC: G05D7/06
Filed: 1999-08-09
Abstract: A method and apparatus for detection of the clogging of the orifice by measuring the upstream side pressure without breaking up the piping system in a flow rate control unit using an orifice, so as to extend the life of the flow control unit and enhance its safety. To be specific, the apparatus of detecting the clogging of the orifice in a pressure-type rate flow controller has a control valve (CV), an orifice (2), a pressure detector (14) for measuring the upstream pressure P1 therebetween and a flow rate setting circuit (32) wherein with the upstream pressure P1 maintained about two or more times higher than the downstream pressure P2, the downstream flow rate QC is calculated from the equation QC = KP1 (K: constant) and wherein the control valve (CV) is controlled by the difference signal QY between the calculated flow rate QC and the set flow rate QS, the apparatus comprising:   a storage memory M memorizing standard pressure attenuation data Y(t) of the upstream pressure P1 measured with the flow rate switched from the high set flow rate QSH to the low set flow rate QSL, with the orifice (2) not clogged a pressure detector (14) for determination of the pressure attenuation data P(t) of the upstream pressure P1 with the flow rate switched from the high set flow rate QSR to the low set flow rate QSL, with the orifice (2) in the actual conditions a central processing unit CPU for checking the pressure attenuation data P(t) against standard pressure attenuation data Y(t) and an alarm circuit (46) that turns on a clogging alarm when the pressure attenuation data P(t) deviates from standard pressure attenuation data Y(t) to a specific degree or beyond that.   <IMAGE>
Patent KR-20010033017-A (KR)
Title: 과지질혈증 치료제인 스타틴-ＬＰ(ａ) 억제제의 병용 제제
IPC: A61K45/06
Filed: 1998-11-04
Abstract: 본 발명은 HMG-CoA 환원효소를 억제하는 Lp(a) 억제제 및 스타틴을 포함하며, 혈관계 질환 치료에 유용한 제약 조성물이다.
Patent KR-20010052118-A (KR)
Title: 결합 전세계 측위 시스템 및 광대역폭 무선 전화 단말기와방법
IPC: H04B1/38
Filed: 1998-11-18
Abstract: 무선 이동 단말기는 GPS 무선 주파수(RF) 수신기 및 GPS RF 신호 칩 주파수의 폭의 적어도 1/2인 대역폭을 갖는 광대역폭 무선 전화 RF 수신기를 포함한다. 무선 이동 단말기는 또한 GPS RF 수신기 및 광대역폭 무선 전화 RF 수신기에 모두 응답하는 공유 중간 주파수(IF)부를 포함한다. CDMA 디스프레더와 같은 복조기는 공유 IF부에 응답한다. 따라서, 공통 회로가 별개의 GPS RF 수신기 및 광대역폭 무선 전화 RF 수신기를 제외하고 제공될 수 있다. 그것에 의해 낮은 제조 비용 및 고효율 동작이 제공될 수 있다.
Patent KR-20010042189-A (KR)
Title: 마모성 세정 장치
IPC: B08B1/04
Filed: 1999-03-25
Abstract: 본 발명은 마모성 세정 장치(10)에 관한 것으로서, 마모성 세정 장치(10)은 탄성 물질로 된 내부층(26) 및 외부층(36)과 이들 사이의 경질인 층을 갖는다.  호울은 드럼 D 주위의 나선형 패턴으로 드럼 D를 통해 형성된다.  와이어 W는 각각의 호울 H에서 만나고, 와이어 W는 반대 단부와 3개의 벤드를 갖는다.  와이어 W의 한 단부는 드럼 D의 내면(30)상에 원주상으로 놓여 있는 이웃하는 부분을 갖는 드럼 D의 내부에 있다.  드럼 D의 외부에 있는 와이어 W의 한 부분은 드럼 D 내부의 와이어 W의 부분과 같이 반대 원주상 방향으로 정렬된다.  리테이닝 원통 R은 그 자체와 드럼 D의 내면 사이에서 드럼 D 내부에 있는 와이어 W의 한 단부를 샌드위치 형태로 배열시켜, 와이어 W를 안정하게 유지시킨다.  드럼 D의 내부에 있는 와이어 W의 단부는 이웃하는 와이어의 단부에 근접해 있으며, 이는 드럼중의 호울에서 와이어의 회전을 억제시킨다.
Patent KR-20010043691-A (KR)
Title: 개별 음료수 용기용 마개
IPC: B65D77/28
Filed: 1999-05-13
Abstract: 개별 음료수 용기와 함께 사용하기 위한 마개가 개시된다. 마개는 상부가장자리와 하부가장자리를 가진 통상 통형상 측벽을 가진다. 측벽은 적합압력으로 음료수 용기의 네크에 편안하게 맞도록 크기가 정해진다. 바닥은 측벽으로부터 안쪽으로 연장된다. 평탄한 상부는 바닥에 일체로 부착되고 바닥으로부터 위쪽으로 일정한 거리를 두고 위치한다. 구멍은 바닥 또는 평탄한 상부 속에 형성된다. 또한, 배출구멍은 바닥 또는 평탄한 상부 속에 형성된다. 바람직하게는 평탄한 상부는 그 사이에 홈통을 형성함으로써 측벽으로부터 일정한 거리를 두고 위치한다. 바람직하게는 구멍은 바닥 속에 형성되고 그것을 통해 스트로를 편안하게 수용하도록 크기가 정해진다. 바람직하게는 평탄한 상부는 그 사이에 채널을 가지는 제1 및 제2상부로 분할되고, 채널은 구멍과 접촉하고 집어넣어진 위치에 있을 때 스트로의 상부를 수용하도록 크기가 정해진다. 다른 실시형태에서, 구멍과 배출구멍은 병의 네크와 측벽 사이에 형성된다.
Patent KR-20010043713-A (KR)
Title: 비수계 2차 전지 및 그 제어방법
IPC: H01M50/55
Filed: 1999-05-20
Abstract: 양극, 음극 및 리튬염을 포함하는 비수계 전해질을 구비한 2차 전지에 있어서, 에너지 용량이 30Wh 이상이고, 체적 에너지 밀도가 180Wh/l이상이며, 편평형상을 가지는 것을 특징으로 하고, 방열 특성이 우수한 안정성이 높고 특히 축전 시스템용에 적합한 비수계 2차 전지 및 그 제어 방법을 제공할 수 있다.
Patent KR-20010043777-A (KR)
IPC: G02B1/111
Filed: 1999-05-26
Abstract: Inorganic multilayered optical systems are produced by applying to a glass substrate a flowable composition containing nanoscale solid inorganic particles containing polymerizable or polycondensable organic surface groups, polymerizing and/or polycondensing those surface groups to form an organically crosslinked layer, applying to the organically crosslinked layer and polymerizing/polycondensing a flowable composition producing a different refractive index from the first layer (optionally repeated one or more times), and one-step thermal densifying and removing the organic components. The systems so produced are suitable as interference filters and antireflection systems.
Patent KR-20010071323-A (KR)
Title: 디알킬 푸마레이트 공중합체 및 유성 유체에서 유동개선제로서의 그의 용도
IPC: C08G67/02
Filed: 1999-05-07
Abstract: 본 발명은 왁스 결정 개질제 및 유동 개선제로서 유용한 공중합체 조성물에 관한 것이다.  상기 조성물은 약 C 6 내지 C 250 의 직쇄 또는 분지쇄 디알킬 푸마레이트와, C 3 내지 C 30 알파 올레핀, 에틸렌, 스티렌, 일산화탄소 및 비닐 아세테이트로 이루어진 군으로부터 선택된 하나 이상의 화합물의 공중합체이다.
Patent KR-20010074532-A (KR)
Inventor: ASAO YASUFUMI
IPC: C09K19/02
Filed: 2001-01-22
Abstract: PURPOSE: An LC(Liquid Crystal) device is provided to prevent occurrence of error in alignment caused by the irregular thickness from a TFT(Thin Film Transistor) or gate lines and source lines connected to the TFT. CONSTITUTION: An LC device consists of a couple of substrates(20,40) forming a uniaxial alignment axis on at least one of the substrates, and chiral smectic LC arranged between the substrates to form plural pixels arranged in rows and columns. Each pixel has a switching element and electrodes(22,27,28) for feeding voltage to the LC with the switching element. A signal line matrix including scanning signal lines and data signal lines is arranged along the column of the pixels to connect each scanning signal lines with the column of the switching element. The LC shows different transition types having isotropic, cholesteric and chiral smectic or isotropic and chiral smectic forms. The uniaxial alignment axis is aligned to form an angle of at least 10 degrees to both sides of the scanning signal lines and the data signal lines. Therefore, LC is aligned to form a smectic form having a layer-extending direction of forming 10 degrees to the signal lines.
Patent KR-20010078077-A (KR)
Title: Substrate housing
Inventor: OKUBO KAZUO
IPC: H01L21/673
Filed: 2001-01-26
Abstract: PURPOSE: A substrate container is provided to control a level of humidity that can be achieved and dehumidify a substrate container. CONSTITUTION: The substrate container comprises a box housing(1) and a box cover(2) which are coupled to each other to define hermetically sealed space for storing therein semiconductor wafers(3), for example, in a highly clean atmosphere. The semiconductor wafers(3) are held by a carrier or storage case(4) and a wafer holder(12), the carrier(4) being supported by a partition(5) disposed in the box housing(1). A flow-rectifying plate(13) is positioned underneath the partition(5) for preventing air from flowing excessively into gaps between the semiconductor wafers(3) and the carrier(4). A particle trapping filter(7) and a gaseous impurity trapping filter(8) positioned therebeneath are disposed below the carrier(4) and the flow-rectifying plate(13). A fan(6) is positioned below the gaseous impurity trapping filter(8) for directing air upwardly through the gaseous impurity trapping filter(8) and the particle trapping filter(7).
Patent KR-20020066278-A (KR)
Title: Shadow mask frame assembly and flat type CRT therewith
Inventor: CHOI DEOK HYEON
IPC: H01J29/02
Filed: 2001-02-09
Abstract: PURPOSE: A shadow mask frame assembly and a flat CRT having the same are provided to install the shadow mask frame assembly inside of the CRT panel. CONSTITUTION: A shadow mask frame for a flat CRT comprises a first and a second support members, a first and a second elastic members, and a flat shadow mask. The first and the second support members are spaced from each other and have an L shape cross section. Both end parts of the first and the second elastic members are fixed to each end part of the first and the second support members respectively. The flat shadow mask is supported by the first and the second support members and includes many slots. Width of the first and the second support members is bigger than height.
Patent KR-20020018542-A (KR)
Title: Perpendicular magnetic recording media and magnetic storage apparatus using the same
Inventor: FUTAMOTO MASAAKI
IPC: G11B5/73
Filed: 2001-02-19
Abstract: PURPOSE: To provide a two-layer perpendicular magnetic recording medium having the recording density of >= 50 Gbits per 1 inch2 and high medium S/N and to provide a magnetic storage device with low error rate and superior reliability. CONSTITUTION: In the perpendicular magnetic recording medium having a soft magnetic base layer 12, intermediate layer 13 and perpendicular recording layer 14 successively laminated on a substrate 11, the intermediate layer 13 consists of a nonmagnetic amorphous alloy essentially comprising Ni and containing Zr and the soft magnetic base layer 12 consists of a ferromagnetic microcrystal precipitated by heat treatment.
Patent KR-20020069031-A (KR)
Inventor: GONG JONG CHUL
IPC: F16S1/00
Filed: 2001-02-22
Abstract: PURPOSE: Parts of prefabricated yacht, boat, ship, construction equipment, machine equipment and toy and a method for assembling the same are provided to obtain the construction and machine equipment with a simple manner by dividing the body thereof into several parts. CONSTITUTION: Five stepped parts are assembled as an article so as to use the article in construction and machine equipment and in a toy. By taking out or adding parts from/to the five stepped parts, the part in each step is fabricated. Parts are connected to each other by using a connection ring so that the parts are integrally fixed. When forming a body of the prefabricated yacht, boat and ship, a hollow section is formed in the body in order to increase the buoyancy. In addition, parts formed in each step are crossed to each other in order to lower the pressure of water applied to the body. Another part is attached to the body in order to prevent the water leakage.
Patent KR-20010092355-A (KR)
Inventor: IWANAGA HIROKI
IPC: G02F1/1339
Filed: 2001-03-15
Abstract: PURPOSE: A liquid crystal display device is provide to save in weight, permit miniaturization, and be effective in preventing deterioration of display quality because of moisture penetration. CONSTITUTION: A liquid crystal display comprises a substrate, a liquid crystal layer disposed on the substrate, and a sealing part surrounding the liquid crystal layer and disposed on the substrate, wherein the sealing part comprises a hygroscopic solution. The sealing part comprises an inner seal part and an outer seal part, the hygroscopic solution disposed between the inner seal part and the outer seal part. The liquid crystal layer consists of a guest-host type liquid crystal.
Patent KR-20020073817-A (KR)
Title: Vacuum system for manufacturing semiconductor device
Inventor: SHIN BONG JU
IPC: H01L21/00
Filed: 2001-03-16
Abstract: PURPOSE: A vacuum system for semiconductor fabrication is provided to prevent a counter current phenomenon of fluid generated from a state of turning-off of a vacuum pump by using a counter current cutoff valve. CONSTITUTION: An exhaust line(20) is connected with semiconductor fabrication equipment(10). A vacuum pump(30) is used for discharging fluid from the semiconductor fabrication equipment(10) to the exhaust line(20). A counter current cutoff valve(40) is installed in the exhaust line(20). The counter current cutoff valve(40) is operated by a pressure of fluid transferred from the vacuum pump(30) and the exhaust line(20) is closed by the counter current cutoff valve(40) when the vacuum pump(30) is changed a state of turning-on to a state of turning-off. The exhaust line(20) is opened by the counter current cutoff valve(40) when the vacuum pump(30) is in the state of turning-on.
Patent KR-20010044721-A (KR)
Inventor: PARK BYEONG HU
IPC: G02F1/13
Filed: 2001-03-20
Abstract: PURPOSE: An air knife drying apparatus is to effectively remove a cleaning solution of deionized water, etc., remaining on a glass substrate and dry the glass substrate without forming vortex, thereby preventing a drying failure. CONSTITUTION: The air knife drying apparatus includes an upper air knife(100a) and a lower air knife(100b). The upper air knife and the lower air knife have a V-shaped symmetric structure. Each of the upper air knife and the lower air knife includes an inlet part formed at one side of a main body and through which air is introduced. Air is exhausted through an outlet. The size of the outlet is controlled by a slit control part. Each of the upper air knife and the lower air knife includes a V-shaped protruded portion which is protruded in the same direction as a glass substrate is transferred to induce a cleaning solution toward a center portion of the glass substrate.