baber/WOPTO huggingface dataset:
Patent KR-20020043915-A (KR)
Title: A light control apparatus for both senser light and emergency light
Inventor: LEE BYEONG SEON
IPC: H02J9/00
Filed: 2000-12-04
Abstract: PURPOSE: An apparatus for controlling an emergency illumination lamp having a sensor lamp function and a method thereof are provided to save an electricity using a sensor lamp according to a human body sensor at ordinary times and continuously light by means of an emergency power supply in case of emergency. CONSTITUTION: A current from an external power supply is supplied to a common line(7) and a usual line(5) by a sensor lamp circuit(1) at ordinary times so that a sensor lamp is lighted. In case of emergency, a triac switch(3) interrupts the usual line(5) of the sensor lamp circuit(1). An emergency line(6) is electrically connected to an emergency power supply and A1 and A2 of the triac switch(3) are electrically switched to each other so that a current is supplied to the emergency line(6) and the common line(7). Accordingly, a sensor lamp is changed to an emergency lamp to continuously light a lamp.
Patent KR-20010062343-A (KR)
Inventor: KUMAGAI SATORU
IPC: G02B5/18
Filed: 2000-12-12
Abstract: PURPOSE: To provide a projection aligner and a method for manufacturing device, for readily realizing high optical performance, even when vacuum ultraviolet ray is used as the light source. CONSTITUTION: This projection aligner includes an illumination system for illuminating a reticle by the vacuum ultraviolet rays from a light source, and a projection optical system for projecting the image of the illuminated reticle pattern. At least a diffraction optical element is included in the whole optical system, and the diffraction optical element is formed on the substrate made of silica glass, containing trace of a substance.
Patent KR-20010081974-A (KR)
Title: Method of and apparatus for applying visual indication means to a surface
Inventor: CARNABY ROBERT ALEXANDER
IPC: E01C23/16
Filed: 2000-12-15
Abstract: PURPOSE: An application device for a visual indicating instrument on the surface is provided to apply a reflection member on the surface of a road by minimizing a loss of beads caused by recoiling, rolling and improving a positional control of a reflection member. CONSTITUTION: The application device(2) attached to a vehicle for spreading a reflection member such as glass beads(4) on the surface of a road comprises an inlet instrument holding the glass beads(4), a driving instrument(10) guiding or driving the glass beads(4), and an outlet instrument(20) spreading the glass beads(4) on the surface, wherein the glass beads(4) gets out of the outlet instrument(20) at the same speed as the traveling speed of the vehicle and in the opposite direction of the traveling direction of the vehicle.
Patent KR-20020046762-A (KR)
Title: Gel Type Detergent Putting In an Instrument For a Toilet Stool and The Preparation Method of thereof
Inventor: HUH UK
IPC: C11D3/48
Filed: 2000-12-15
Abstract: PURPOSE: A bowl-shaped gel-type urinal cleaner and its preparation method are provided, to allow the cleaner to be dissolved and degraded regularly and the color to be maintained uniformly for a long time. CONSTITUTION: The bowl-shaped gel-type urinal cleaner comprises 0.1-10 parts by weight of a natural aqueous polymer; 1-30 parts by weight of a nonionic surfactant; 0.1-5 parts by weight of a deodorizing agent; 0.1-5 a sterilizer; and 0.1-10 parts by weight of a dye. Preferably the natural aqueous polymer is carrageenan, gellan, or xanthan gum. The method comprises the steps of mixing water and a natural aqueous polymer; heating the mixture to 70-80 deg.C; adding a nonionic surfactant, a deodorizing agent, a sterilizer and a dye to the heated mixture; stirring the mixture homogeneously; cooling the mixture to a room temperature; and molding the cooled mixture into the bowl shape.
Patent KR-20020048655-A (KR)
Title: structure for terminal of female connector
Inventor: KWAK WON CHEOL
IPC: H01R4/01
Filed: 2000-12-18
Abstract: PURPOSE: A female terminal structure of a connector is provided to fabricate the female terminal using a shape memory alloy so as to continuously maintain elasticity of the terminal and to simplify the fabrication process of the female terminal. CONSTITUTION: A female terminal(50) of a connector has an insertion part(51) into which a counterpart terminal(40) is inserted. The inner side of the insertion part is wider than the outer side of the insertion part. The terminal is made of a shape memory alloy. A sensor terminal set at an engine is inserted into the insertion part of the terminal. Even if the shape of the terminal varies with the lapse of time, when heat generated from the engine becomes higher than a shape memory temperature, the terminal returns to the original shape so that the elasticity of the terminal is continuously maintained.
Patent KR-20020051065-A (KR)
Title: Control method of solar-board turning towards sun
Inventor: HAN MU HO
IPC: F24S50/20
Filed: 2000-12-22
Abstract: PURPOSE: A method for controlling a sunlight oriented solar cell plate is provided to improve the efficiency of the solar cell plate by positioning the solar cell plate to be perpendicular to sunlight regardless of the season or duration of sunshine. CONSTITUTION: A plurality of optical sensors(3) symmetrically installed with respect to the post(2) on a solar cell plate(1) receives the sunlight. Each of the outputs from the sensors(3) is compared with each other. The outputs are calculated with a calibrating value being an amount of the inclination to two vertical axes perpendicular to the sunlight. The solar cell plate(1) is inclined to be perpendicular to the sunlight according to the calibrating value.
Patent KR-20020052555-A (KR)
Title: System for automatically banding outer circumferencial ring to coils
Inventor: HONG JONG IN
IPC: B65B27/06
Filed: 2000-12-26
Abstract: PURPOSE: An automatic fastener of a coil outer ring is provided to prevent an accident due to the manual operation of coil packing and to improve work efficiency by automatically fastening a ring to the outer face of a coil. CONSTITUTION: An automatic fastener of a coil outer ring comprises a coil sensor(156), an outer ring fixing guide unit, a movement plate unit, a bending guide unit, and a welding unit. A coil(2) placed on a skid(1) is sensed by the coil sensor. Mobile band guides advance from the left and right sides. If an outer ring side guide approaches a desirable weight, the weight is measured. After coiling, the coil is transferred to a packing line by a shifter. The outer ring and side of the coil are fixed by the outer ring fixing guide. The outer ring of the coil is automatically fastened by the welding unit and a welding guide plate.
Patent KR-20020052801-A (KR)
Title: Method for fabricating photomask having stepped portion
Inventor: KIM SANG UK
IPC: H01L21/027
Filed: 2000-12-26
Abstract: PURPOSE: A method for manufacturing a photomask having a stepped cone is provided to prevent a focusing error due to the stepped cone in an exposure field region. CONSTITUTION: A stepped cone is formed at a quartz substrate(1) in the shape of the stepped cone of an exposure field. A chrome layer(3) is formed on the quartz substrate(1) having the stepped cone. The chrome layer(3) is then etched to a desired pattern. At this time, the portions of the stepped cone of the quartz substrate(1) are slope etched.
Patent KR-20020056138-A (KR)
Title: Water circulation apparatus for fuel cell
Inventor: HWANG YONG JUN
IPC: H01M8/04
Filed: 2000-12-29
Abstract: PURPOSE: Provided is a fuel recovery device in fuel cell which is suitable to reduce costs necessary to generate electricity, by recovering water wasted after generation and reusing the waste water. CONSTITUTION: The fuel cell comprises a stack(10) which comprises a cathode and an anode, and in which hydrogen gas supplied to the anode is electrochemically reacted with air supplied to the cathode to form electromotive force. The fuel cell has water recovery means(14) for recovering water through the discharge line(13) of the stack and reusing the water. The water recovery means(14) consists of a water recovery line for connecting the discharge line(13) and water tank(42) and recovering water in reaction byproduct discharged through the discharge line(13); and a pump(52) for water recovery, which is positioned on the means(14) and pumps the recovered water.
Patent KR-20020057291-A (KR)
Title: Chanel apparatus of base station for modulation and demodulation
Inventor: JUN SANG CHUN
IPC: H04B7/155
Filed: 2000-12-30
Abstract: PURPOSE: A base station channel apparatus for modulating and demodulating data having variable data rate is provided to assign appropriate channels to users according to the data rate, thereby efficiently using channel resources. CONSTITUTION: A base station modem(200a) includes a plurality of searcher blocks(220) and finger blocks(230) to divide or merge input data according to the data rate. A modem control block(300) includes a transport channel encoding block(310) for processing divided or merged data by the base station modem(200a), and a transport channel decoding block(340) for transmitting data signals enabling division or merging to the base station modem(200a), so that the modem control block(300) modulates and demodulates data having variable data rate.
Patent KR-20010021625-A (KR)
Title: 개선된 남성발기 기능장애 치료방법 및 그 조성물
IPC: A61K31/19
Filed: 1998-07-09
Abstract: (a)프로스타글란딘 혈관확장제; (b)15-하이드록시프로스타글란딘데하이드로게나제 억제제; 그리고 (c)실온에서 고체이고 요도 또는 요도구에 삽입시 성분(a)와 (b)를 방출하는 기재를 함유하는 좌약형태의 제약 조성물의 투여는 남성발기 기능장애 치료에 효과적이다.
Patent KR-20010030662-A (KR)
Title: 통기특성 측정장치
IPC: G01N3/00
Filed: 1999-03-15
Abstract: 통기특성 측정장치는 서로 기밀하게 또한 이탈이 자유롭게 끼워맞춘 제1, 제2 및 제3 통형 용기(430,440,450)로 이루어진 통풍용기(401)와, 제1 및 제2 통형 용기에 대하여 제3 통형 용기를 승강(昇降)시키는 승강장치(460)를 갖고 있다.  제1, 제2 및 제3 통형 용기와 이들 용기의 각각에 장착된 검체지지장치(470)의 검체유지부재(472)에 의해 3개의 기밀실이 형성된다. 담배의 필터측의 제1 기밀실을 배기하였을 때에, 제2 기밀실에 배열된 필터 및 제3기밀실에 배열된 종이로 감싼 담배의 각각에 유입되는 공기의 유량에 기초하여 담배의 통기특성이 측정된다.
Patent KR-20010033795-A (KR)
Title: 액정표시장치
IPC: G09G3/36
Filed: 1998-01-09
Abstract: Poly-Si TFT를 사용하여 DA변환기를 포함하는 주변의 드라이버회로를 화소부와 일체 형성한 경우에, DA변환기 및 버퍼회로의 문턱치전압의 편차에 기인하는 고정패턴잡음을 없애는 것을 목적으로 한다. 
     이를 위해, 화소공통전극을 신호선마다 독립하여 설치하고, 버퍼회로의 출력을 공통전극과 신호선의 쌍방에 대해 스위치를 통해서 접속한다. 
     이것에 의해, 버퍼회로의 문턱치전압의 편차는 공통전극과 신호선의 사이에서는 캔슬되기 때문에, 상기 고정패턴잡음을 제거할 수 있다.
Patent KR-20010040809-A (KR)
IPC: B65H39/16
Filed: 1999-01-29
Abstract: To introduce a number of separate preparations as film-based products in a dispenser as layers in a stack, to be removed separately as individual doses, the start material is rolls (1) of wound film strips (10). A number of film webs (10) are unwound from their rolls (1) according to the number of layers required in the stack (9), and they are led (2) to form a multi-layer web (8). The layered web (8) is cut into stack lengths at a cutting station (4), and at least one stack (9) of loose single layers is inserted into a dispenser (5). An independent claim is included for an assembly with a number of wound film rolls (1), and at least one guide (2) to bring the drawn-off film webs (10) together from different directions into a multi-layer web (8). The web (8) is taken (3) to a cutting station (4). A movement and control system feeds in empty dispensers (5) and removes filled dispensers.
Patent KR-20010042045-A (KR)
IPC: A61C17/00
Filed: 1998-03-19
Abstract: A dental suction tool has a disposable sanitary plastic suction tip to prevent cross contamination from one patient to the next. The tip has a bevel at the proximal end. Additionally, a light source such as a fibreoptic bundle with or without a ring light is provided on the interior of the dental suction tool to provide light to the end of the plastic disposable suction tip. Illumination from the ring light or directly from the fibreoptic bundle is transmitted along the length of the suction tip and is emitted from the end thereof to illuminate the oral cavity during dental procedures.
Patent KR-20010034731-A (KR)
Title: 유전자 서열 중에 유전자 병변이 있는 식물을 얻는 방법
IPC: C12Q1/68
Filed: 1999-04-02
Abstract: 본 발명은 야생형 염색체에 인접해있는 유전자 서열 중에 병변을 포함하는 식물을 동정하는 방법을 제공한다. 이 방법은 근원 식물로부터 핵산 수집물을 얻는 단계, 각 핵산을 근원 식물과 연결하는 데이터베이스를 제공하는 단계, 핵산 수집물을 증폭시켜 병변을 측정하는 단계, 그 다음 데이터베이스를 사용하여 병변을 보유하는 근원 식물을 동정하는 단계를 포함한다.
Patent KR-20010052352-A (KR)
IPC: D21G3/04
Filed: 1999-04-29
Abstract: A method of dividing a formed paper web (1) into at least two part-webs (8, 9) during production of creped paper in a paper machine having a cylinder (3) with an adhesive coating to which the web adheres. According to the invention the web is divided in conjunction with the cylinder by one part-web being detached by scraping from the envelope surface at a first web-detaching point (10) while the other part-web (9), still adhered to the envelope surface, accompanies this surface to a second web-detaching point (11) situated downstream, to be detached by scraping from the envelope surface, at least one part-web being creped off. The invention also relates to a device and a paper machine including such a device having doctor blades (14, 18) forming said web-detaching points.
Patent KR-20010043909-A (KR)
Title: 소프트 저밀도 종이 제품 및 소프트 저밀도 종이 제품제조 방법
IPC: D21H27/02
Filed: 1998-06-02
Abstract: 본 발명은 제지 섬유 및 양이온 순간 습윤 강도 수지를 이용하여 제조된 소프트 저밀도 종이 제품에 관한 것이다.  이러한 종이 제품은 약 0.6그램/㎤보다 작은 밀도와, 약 10그램/㎡ 내지 약 65그램/㎡의 기본 중량과, 약 500그램/인치(197그램/㎝)보다 작은 건조 강도와, 약 0.51:1보다 큰 최초 습윤 강도 대 상기 건조 강도의 비율과, 약 0.4보다 작은 30분 습윤 강도 대 상기 최초 습윤 강도의 비율을 가진다.  이러한 종이 제품을 제조하는 방법이 또한 개시되어 있다.  종이 제품은 동종 구도 또는 다중층 구조로서 제조될 수 있으며, 크레이프되거나 크레이프되지 않을 수 있다.
Patent KR-20010043963-A (KR)
Title: 무선 장치 및 그를 구비한 통신 단말 장치와 송수신 방법
IPC: H04B1/44
Filed: 2000-03-28
Abstract: 통상의 통신시에, 업 믹서(108)가 주파수 신디사이저(124)로부터의 주파수 f2의 신호와, 직교 변조기(105)에서 직교 변조된 송신용의 I 및 Q 신호를 혼합함과 동시에, 다운 믹서(115)가 주파수 f2의 신호와 수신 신호를 혼합하고, 또한 주파수 fr와 상이한 주파수 fr´의 신호를 수신하는 경우에만, 주파수 f2와 다른 주파수 f3의 신호를 생성하는 주파수 신디사이저(125)를 동작시켜, 주파수 신디사이저(125)와 다운 믹서(115)를 스위치(127)에 의해 접속하여, 다운 믹서(115)가 주파수 f3의 신호와 수신 신호를 혼합한다.  이에 의해, 통상 무선 시스템으로 규정되고 있는 송수신 주파수의 조합 이외의 수신 주파수를 수신할 때에, 저소비 전류로 고속으로 주파수를 전환하여 실행할 수 있다.
Patent KR-20020095600-A (KR)
Filed: 2000-03-24
Abstract: 표적 폴리뉴클레오타이드를 도달시켜, 발현을 줄이거나 저해하기에 효과적인 양으로 유전자의 개시코돈 영역, 코딩영역, 5' 또는 3' 인트론-액손 접합부 또는 접합부의 2 내지 10 뉴클레오타이드 내 영역들에 대해 안티센스, 또는 유전자에 상보적인 mRNA에 대한 안티센스인 올리고뉴클레오타이드(올리고)의 치료량을 피험체에게 호흡계 등의 국소적 투여를 포함하는 표적 유전자 또는 mRNA에 대한 핵산을 선택적으로 생체내에 전달하는 방법. 이에 더하여, 아데노신 매개 효과를 치료하는 방법은, 호흡, 폐 또는 기도 질환를 치료하는데 효과적인 양으로 안티센스 올리고를 피험체에게 투여하는 것을 포함한다. 상기 올리고뉴클레오타이드의 물질대사에 의해, 아데노신 수용체를 자극하는 것을 최소화하기 위해서, 투여되는 올리고들은 아데노신이 적은 함량의 아데노신을 갖거나, 본질적으로는 A가 없도록 한다. 아데노신 수용체들, 그것을 코딩하는 유전자 및 mRNA들, 유전자 및 mRNA 프랭킹 영역, 인트론 및 액손 가장자리(border), 및 조절적으로 및 기능적으로 관련된 유전자 및 폴리펩티드를 인코딩하는 mRNA의 모든 분절들, 및 그들의 염 및 호혼합물들에 대해 안티센스인 올리고들을 약제학적 조성물 및 제제들은 포함한다. 다양한 제제들은 필요한 담체, 및 선택적으로 다른 첨가제 및 생물학적 활성제를 함유한다. 본 발명의 방법을 실제적용하기 위한 낮은 아데노신 또는 아데노신이 없는(desA) 약물제제는 다음의 단계에 의해 제조될 수 있다: 폐기도에 악형향을 미치는 질환(들) 또는 질병(들)과 관련된 표적 유전자(들), 유전자 프랭킹 영역(들), RNA(들) 및/또는 폴리펩트드(들)을 선택하는 단계; 표적 폴리펩티드(들)을 코딩하는 표적 유전자 및/또는 유저자 프랭킹 영역(들), 및/또는 RNA들에 대응하는 mRNA의 서열들을 얻는 단계; 티미딘이 60%까지 없는 mRNA의 적어도 하나의 분절을 선택하는 단계; 및, 올리고뉴클레오타이드 내에 A가 존재하였을 때, A를 일반적인 염기로 치환하는 것에 의해서, 아데노신(A)가 없는 mRNA 분절들에 대한 하나이상의 안티센스 올리고뉴클레오타이드를 합성하는 단계. 상기 약물제제는 적은 T 함량을 같는 GC의 반복적인 서열들(GC running stretches)을 갖는 표적 핵산 서열들을 선택하는 것, 및 선택적으로 안티센스 올리고뉴클레오타이드들 내의 A를 "일반적인 또는 다른 염기"로 치환하는 것에 의해서 제조될 수 있다. 폐혈관수축, 염증, 알레르기들, 알레르기성 비염, 천식, 호흡지체, 폐통증, 낭포성섬유증 및 기관지수축과 같은 호흡지체, 폐 알레르기(들) 및/또는 염증 및 폐 계면활성제의 감소 또는 계면활성제 저분비와 관련된 질병들의 예방적, 방어적 및 치료적 치료법으로 상기 약물제제, 조성물 및 제제들은 이용될 수 있다. 본 치료제은 방사선 치료, 화학요법, 항체요법 및 외과치료 등을 포함한 다른 여러 치료법들 전, 후, 동안 병행하여 투여되어도 적당하다. 또한, 본 약물제제는 알려진 치료법이 없거나, 또는 원하지 않는 부작용들을 나타내는 치료법들을 대신하여 그 자체적으로 예방적 또는 치료적으로 효과적인 투여가 가능하다. 약물제제가 폐에 직접적으로 도달하도록 하기 위해서, 질병의 증상들을 줄이거나 억제하는데 효과적인 양을, 피험체의 호흡계에 직접적으로, 또는 국소, 경피, 이식 등의 다른 효과적인 경로로 투여될 수 있다.
Patent KR-20020057494-A (KR)
Title: method and system for machining a pickup base
Inventor: KIM JONG HYEON
IPC: G11B7/00
Filed: 2001-01-05
Abstract: PURPOSE: A system and a method for machining a pickup base are provided to automatize a machining process for a plurality of surfaces of a semi-manufactured pickup base, and a bush insertion process for holes that are components to insert an axis of the pickup base. CONSTITUTION: A first machining device has an index unit including a plurality of fixing holes(121), each comprising a pair of jigs(121a,121b), and a reversing and discharging unit(147) for reversing and discharging a pickup base. And the first machining device machines the front, rear, side, and upper parts of the pickup base. A second machining device has two conveyers moving in mutually different directions, a plurality of pairs of drills facing with each other, and a loading unit for loading the first machined pickup base between the drill pairs. And the second machining device simultaneously forms two holes for bush insertion on the first machined pickup base. A third machining device has an index unit having n fixing holes, each comprising a pair of jigs, a bush supplying unit simultaneously supplies two bushes to the two holes for bush insertion, a sizing unit processes sizing for the bushes inserted in the pickup base to make concentric circles between the bushes coincide with each other, and a transfer unit transferring the pickup base between a pair of jigs.
Patent KR-20020057709-A (KR)
Title: XML builder
Inventor: LEE MIN NAM
IPC: G06F17/24
Filed: 2001-01-05
Abstract: PURPOSE: An XML(eXtensible Markup Language) document construction editor is provided to be applied to a design of various company documents, a DTD document, various public documents or attached documents in an electronic commerce and to support an easy edition function, a rapid search function, a document standardization, and a document effectiveness check function. CONSTITUTION: The editor comprises an XML engine, an element component, a table component, an XML tree view component, an XML editor component, an XSL(eXtensible Stylesheet Language) editor component, a DTD tree view component, a DTD editor component, an Explorer view component, and a designer component. The XML engine automatically performs a design process for constructing an XSL or XML document. The element component defines an attribute or a type for expressing data, inserts other element or a table within an element, expresses a picture according to a component type, automatically displays a DTD to an element after checking the DTD, automatically calculates a size and a position of a table or an element when the table or the element is included in a child of an element by an operation of a mouse, and copies an element. The table component performs a division, a synthesis, an inclusion or an insertion of a table element. The XML tree view component displays a tree when an XML document is constructed. The XML editor component displays data and a tag with different colors when displaying the text. The XSL editor component reads contents of an XSL document, and sets a color to a tag while displaying the contents. The DTD tree view component automatically draws an attribute and a type in a tree, and an icon relation diagram. The DTD editor component sets a color to the text for enhancing a readability.
Patent KR-20020059524-A (KR)
Title: Packing Structure for Lower Portion of Refrigerator
Inventor: PARK BYEONG HAN
IPC: B65D81/00
Filed: 2001-01-08
Abstract: PURPOSE: A lower packing structure of a refrigerator containing a door supporting device having a wide surface to more certainly support a door and capable of firmly placing a front lower structure on the door supporting device is provided. It permits stable protection of the refrigerator from falling and impact during transportation of the refrigerator. CONSTITUTION: This packing structure of a refrigerator(2) comprises: a lower packing part for supporting the lower part of a refrigerator at a bottom surface and protecting it by buffer action; and a door supporting device(30) containing a protrusion supporting part(30e) projected toward the rear of the refrigerator to support a refrigerator door(3). The door supporting device additionally contains a transversal channel opened toward the rear of the refrigerator to be inserted by the front lower cover(8) of the refrigerator.
Patent KR-20010076408-A (KR)
Title: Color liquid crystal display panel
Inventor: KIKAWA HIRONORI
IPC: H04N9/30
Filed: 2001-01-19
Abstract: PURPOSE: To provide a color liquid crystal display panel which can enhance the adhesion property between the insulating films of a black matrix while maintaining a stable contrast and may be made finer by preventing the peeling in development. CONSTITUTION: The black matrix 13 is formed via first to third color layers 10 to 12 on the insulating films 9. The first to third color layers 10 to 12 are formed by patterning using a photoreceptor, have high photosensitivity and sufficiently give rise to a crosslinking reaction and therefore have the high adhesion property to the insulating films 9 consisting of silicon nitride. The base materials of the third color layer 12 and the black matrix 13 are both acrylic resins and therefore the adhesion property between these is high as well. Then, the high adhesion property may be obtained between the black matrix 13 and the insulating films 9.
Patent KR-20010044276-A (KR)
Inventor: KIM JIN SOO
IPC: B60R1/06
Filed: 2001-01-19
Abstract: PURPOSE: A back mirror surface washing device washes the surface of a back mirror using natural wind on driving. CONSTITUTION: A washing device comprises a step for wind blowing against a back mirror body(10) to blow as high pressure wind between an upper suction curved sloped surface(11) and an upper suction cover(12) to blow off foreign matters on a back mirror surface(10a), a step for wind to be discharged as high pressure wind as blowing out through a lower wind suction curved sloped surface(16) and a lower wind suction cover(17) and a step for foreign matters pushed through a back mirror surface suction hole(15) to be sucked by the suction force of high pressure wind discharged through a discharging hole(19) of a lower suction and discharging hole(19) and discharged.
Patent KR-20020065192-A (KR)
Title: Method for controlling droplet size and system for controlling the same
Inventor: CHAE SEUNG HUN
IPC: H01L21/02
Filed: 2001-02-06
Abstract: PURPOSE: A method and a system for controlling a size of drop is provided to control a pressure of a chemical tank and the size of a chemical drop by photographing a shape of the chemical drop formed on a tip of a nozzle. CONSTITUTION: A photographing unit(50) is used for photographing a chemical drop formed on a tip of a nozzle(10) connected with a frame grabber(110) of a computer(100). The frame grabber(110) converts an inputted electric signal to a digital signal. An image processing unit(120) extracts an image of the chemical drop from the converted digital signal and compares the extracted image with a reference image of the chemical drop stored in a storage tank. A valve drive array(200) drives a plurality of valves connected with a plurality of orifices of the storage tank. A control unit(180) drive periodically the photographing unit(50) and controls the valve drive array(200) according to a compared result of the image processing unit(120) in order to control the amount of the chemical drop.