KR101111063B1 - Apparatus for joining of substrate - Google Patents
Apparatus for joining of substrate Download PDFInfo
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- KR101111063B1 KR101111063B1 KR1020080138517A KR20080138517A KR101111063B1 KR 101111063 B1 KR101111063 B1 KR 101111063B1 KR 1020080138517 A KR1020080138517 A KR 1020080138517A KR 20080138517 A KR20080138517 A KR 20080138517A KR 101111063 B1 KR101111063 B1 KR 101111063B1
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133354—Arrangements for aligning or assembling substrates
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/28—Adhesive materials or arrangements
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Abstract
하나의 구동부에 의해 챔버의 개폐와 두 기판의 간격조절을 함께 수행되도록 한 기판합착장치가 개시된다. 기판합착장치는 하부기판을 지지하는 하부챔버;상기 하부챔버와 함께 처리공간을 제공하며, 상기 하부챔버로부터 분리 가능한 상부챔버;상기 상부챔버의 내측에 배치되어 상기 상부챔버로부터 이격되며, 상부기판을 지지하는 상정반;상기 상부챔버의 외측에 배치되어 상기 상부챔버로부터 이격되며, 상기 상부챔버를 관통하여 상기 상정반을 지지하는 상정반지지부;및 상기 상부챔버를 승강시켜 상기 처리공간을 개폐시키며, 상기 상정반지지부를 승강시켜 상기 하부기판에 대한 상기 상부기판의 간격을 조절하는 구동부;를 포함한다.Disclosed is a substrate bonding apparatus for performing opening and closing of a chamber and adjusting a distance between two substrates by one driving unit. The substrate bonding apparatus may include: a lower chamber supporting a lower substrate; an upper chamber providing a processing space together with the lower chamber, the upper chamber being detachable from the lower chamber; disposed inside the upper chamber and spaced apart from the upper chamber, An upper support plate disposed outside the upper chamber and spaced apart from the upper chamber to support the upper plate through the upper chamber; and opening and closing the upper and lower chambers to open and close the processing space. And a driving unit for elevating the upper support unit to adjust a distance between the upper substrate and the lower substrate.
Description
본 발명은 기판합착장치에 관한 것으로, 더욱 상세하게는 두 기판을 합착하는 기판합착장치에 관한 것이다.The present invention relates to a substrate bonding apparatus, and more particularly to a substrate bonding apparatus for bonding two substrates.
정보화 사회가 발전함에 따라 디스플레이 장치에 대한 요구도 다양한 형태로 증가되어 왔다. 이에 근래에는 LCD(Lipuid Crystal Display Device), PDP(Plasma Display Panel), ELD(Electro Luminescent Display), VFD(Vacuum Fluorescent Display)등 여러 가지 평판 디스플레이 장치가 연구되어 왔고 그 일부는 이미 실생활에 널리 사용되고 있다.As the information society has developed, the demand for display devices has increased in various forms. Recently, various flat panel display devices such as LCD (Lipuid Crystal Display Device), PDP (Plasma Display Panel), ELD (Electro Luminescent Display), VFD (Vacuum Fluorescent Display) have been studied and some of them are widely used in real life. .
그 중 LCD의 경우에는 CRT(Cathode Ray Tube)에 비하여 화질이 우수하고 경량, 박형, 저소비 전력의 특징에 따른 장점으로 인하여 이동형 화상 표시장치의 용도로 많이 사용되고 있다.Among them, LCDs are being used for mobile image display devices because of their excellent image quality compared to CRT (Cathode Ray Tube) and the advantages of light weight, thinness, and low power consumption.
이러한 LCD는 전극이 형성되어 있는 TFT(Thin Film Transistor) 기판과 형광체가 도포된 CF(Color filter) 기판 사이에 액정(Liquid Crystal)을 주입하여 형성된다. 두 기판 사이에는 소정 간격으로 두 기판 사이의 간격을 유지하기 위한 간격재(Spacer)가 배치되며, 두 기판의 외주면에는 액정 물질을 누출을 막기 위한 밀봉 재(Sealer)가 배치된다.The LCD is formed by injecting a liquid crystal between a TFT (Thin Film Transistor) substrate on which an electrode is formed and a CF (Color filter) substrate coated with phosphors. Spacers are disposed between the two substrates to maintain a gap between the two substrates at predetermined intervals, and a sealer is disposed on the outer circumferential surfaces of the two substrates to prevent leakage of the liquid crystal material.
따라서 LCD를 제조함에 있어서, TFT기판 및 CF 기판을 각각 제조한 후에 양 기판을 합착하고 그 사이의 공간에 액정 물질을 주입하는 공정이 필수적으로 필요하며 이중 기판을 합착시키는 공정은 LCD의 품질을 결정하는 중요한 공정 중에 하나이다.Therefore, in manufacturing LCD, after manufacturing TFT substrate and CF substrate, it is necessary to join both substrates and inject liquid crystal material into the space between them, and the process of bonding double substrates determines the quality of LCD. Is one of the important processes.
일반적인 기판합착장치는 진공이 형성되는 챔버의 내부에서 두 기판의 합착 공정을 수행한다. 챔버는 상부챔버와 하부챔버로 분리되며, 상부챔버와 하부챔버 중 어느 하나를 승강시켜 두 기판을 반입, 또는 반출시키도록 구성된다. 따라서 두 챔버 중 어느 하나를 승강시키기 위한 개폐 구동부가 마련되어야 한다.A general substrate bonding apparatus performs a bonding process of two substrates in a chamber in which a vacuum is formed. The chamber is divided into an upper chamber and a lower chamber, and is configured to elevate either one of the upper chamber and the lower chamber to bring in or take out two substrates. Therefore, the opening and closing drive unit for lifting up and down either chamber should be provided.
또한 챔버 내부에서 두 기판의 정렬을 위해 두 기판의 간격조절이 필요하다. 따라서 개폐 구동부와는 별도로 두 기판 중 어느 하나를 승강시키는 간격조절 구동부가 마련되어야 한다.It is also necessary to adjust the spacing of the two substrates to align the two substrates in the chamber. Therefore, apart from the opening and closing drive unit, a spacing control unit for lifting one of the two substrates should be provided.
하지만, 종래의 기판합착장치는 챔버의 개폐와 두 기판의 간격조절을 위한 구동계가 각각 별도로 마련된다. 이에 따라 초기설비 투자비용이 증가되는 문제점이 있다.However, the conventional substrate bonding apparatus is provided with a drive system for opening and closing the chamber and adjusting the distance between the two substrates. Accordingly, there is a problem in that the initial investment cost increases.
또한 종래의 기판합착장치는 챔버와 기판을 별도의 구동부에 의해 지지하므로, 두 기판의 정렬이 번거로우며, 정렬오차가 발생되는 문제점이 있다.In addition, since the conventional substrate bonding apparatus supports the chamber and the substrate by separate driving units, the alignment of the two substrates is cumbersome, and there is a problem that alignment errors occur.
본 발명의 목적은 하나의 구동부에 의해 챔버의 개폐와 두 기판의 간격조절 을 함께 수행되도록 한 기판합착장치를 제공하기 위한 것이다.An object of the present invention is to provide a substrate bonding apparatus to perform the opening and closing of the chamber and the control of the distance between the two substrates by one drive unit.
기판합착장치는 하부기판을 지지하는 하부챔버;상기 하부챔버와 함께 처리공간을 제공하며, 상기 하부챔버로부터 분리 가능한 상부챔버;상기 상부챔버의 내측에 배치되어 상기 상부챔버로부터 이격되며, 상부기판을 지지하는 상정반;상기 상부챔버의 외측에 배치되어 상기 상부챔버로부터 이격되며, 상기 상부챔버를 관통하여 상기 상정반을 지지하는 상정반지지부;및 상기 상부챔버를 승강시켜 상기 처리공간을 개폐시키며, 상기 상정반지지부를 승강시켜 상기 하부기판에 대한 상기 상부기판의 간격을 조절하는 구동부;를 포함한다.The substrate bonding apparatus may include: a lower chamber supporting a lower substrate; an upper chamber providing a processing space together with the lower chamber, the upper chamber being detachable from the lower chamber; disposed inside the upper chamber and spaced apart from the upper chamber, An upper support plate disposed outside the upper chamber and spaced apart from the upper chamber to support the upper plate through the upper chamber; and opening and closing the upper and lower chambers to open and close the processing space. And a driving unit for elevating the upper support unit to adjust a distance between the upper substrate and the lower substrate.
상기 구동부는 회전동력을 제공하는 구동모터;상기 하부챔버와 상기 상부챔버를 관통하여 상기 상정반지지부에 나사결합되며, 상기 구동모터에 의해 회전되어 상기 상정반지지부를 승강시키는 스크류;상기 상부챔버의 하부에 배치되어 상기 스크류에 나사결합되며, 상기 스크류의 회전에 따라 상기 상부챔버를 지지하여 상기 스크류의 회전에 따라 상기 상부챔버를 승강시키는 상기 승강부재;및 상기 하부챔버에 고정되고, 상기 승강부재, 상기 상부챔버 및 상기 상정반지지부를 관통하며, 상기 상부챔버와 상기 승강부재의 승강을 안내하는 승강가이드;를 더 포함할 수 있다.A driving motor providing rotational power; a screw coupled to the upper support part through the lower chamber and the upper chamber, the screw being rotated by the driving motor to elevate the upper support part; An elevating member disposed below and screwed to the screw and supporting the upper chamber according to the rotation of the screw to elevate the upper chamber according to the rotation of the screw; and fixed to the lower chamber, and the elevating member And an elevating guide penetrating the upper chamber and the upper support plate and guiding elevating the upper chamber and the elevating member.
상기 구동부는 상기 상부챔버와 상기 승강부재의 사이에 배치되는 완충부재를 더 포함할 수 있다.The driving unit may further include a buffer member disposed between the upper chamber and the lifting member.
상기 기판합착장치는 상기 하부챔버와 상기 상부챔버의 사이에 배치되는 제1 기밀부재를 더 포함할 수 있다.The substrate bonding apparatus may further include a first hermetic member disposed between the lower chamber and the upper chamber.
상기 상정반지지부는 상기 상부챔버의 상측에 배치되며, 상기 구동부에 의해 승강되는 지지판;및 상기 지지판으로부터 연장되며, 상기 상부챔버를 관통하여 상기 상정반에 체결되는 지지축을 포함할 수 있다.The upper support part may be disposed on an upper side of the upper chamber, and may include a support plate that is lifted by the driving unit; and a support shaft extending from the support plate and fastened to the upper plate by passing through the upper chamber.
상기 기판합착장치는 상기 지지판과 상기 상부챔버의 사이에 배치되는 제2 기밀부재를 더 포함할 수 있다.The substrate bonding apparatus may further include a second hermetic member disposed between the support plate and the upper chamber.
상기 기판합착장치는 상기 하부챔버를 지지하는 프레임;및 상기 프레임에 지지되며, 상기 구동부를 평면 상에서 이동시키는 정렬스테이지를 더 포함할 수 있다.The substrate bonding apparatus may further include a frame supporting the lower chamber, and an alignment stage supported by the frame and moving the driving unit on a plane.
상기 기판합착장치는 상기 상정반이 승강되는 경로에 배치되며, 상기 상정반의 위치를 감지하여 상기 하부기판과 상기 상부기판의 간격을 측정할 수 있도록 하는 간격감지기를 더 포함할 수 있다.The substrate bonding apparatus may further include a gap detector disposed on a path in which the upper plate is lifted and detecting a position of the upper plate to measure a distance between the lower substrate and the upper substrate.
본 발명에 따른 기판합착장치는 하나의 구동부에 의해 챔버의 개폐와 두 기판의 간격을 조절하므로, 초기 설비투자비용이 절감되며, 두 기판의 정렬오차를 줄일 수 있는 효과가 있다. Since the substrate bonding apparatus according to the present invention controls the opening and closing of the chamber and the distance between the two substrates by one driving unit, the initial equipment investment cost is reduced and the alignment error of the two substrates can be reduced.
이하, 본 실시예에 따른 기판합착장치에 대해 첨부된 도면을 참조하여 상세히 설명하도록 한다. Hereinafter, the substrate bonding apparatus according to the present embodiment will be described in detail with reference to the accompanying drawings.
도 1은 본 실시예에 따른 기판합착장치를 나타낸 사시도이고, 도 2는 본 실 시예에 따른 기판합착장치를 나타낸 단면도이다. 도 1 및 도 2를 참조하면, 기판합착장치는 프레임(110), 정렬스테이지(120), 하부챔버(131), 하정반(132), 상부챔버(135), 상정반(136), 상정반지지부(140) 및 구동부(150)를 포함한다. 1 is a perspective view showing a substrate bonding apparatus according to the present embodiment, Figure 2 is a cross-sectional view showing a substrate bonding apparatus according to the present embodiment. 1 and 2, the substrate bonding apparatus includes a
프레임(110)은 복수로 마련되어 정렬스테이지(120)와 하부챔버(131)의 테두리부에 배치된다. The
정렬스테이지(120)는 프레임(110)의 내측에 배치되어 프레임(110)에 지지된다. 정렬스테이지(120)는 구동부(150)를 지지하며, 구동부(150)를 도 1에 표기된 x축방향 및 y축방향으로 이동시킨다. 이러한 정렬스테이지(120)는 본 출원인에 의해 출원되어 공개된 "공개번호 10-2006-0055703;기판 합착기"에 개시된 바 있으므로, 상세한 설명은 생략하도록 한다.The
하부챔버(131)는 정렬스테이지(120)의 상측에 배치되어 프레임(110)에 지지된다. 하정반(132)은 하부챔버(131)의 내측에 배치되며, 하부챔버(131)에 지지된다. 하정반(132)은 챔버(130)의 내부로 반입되는 하부기판(S1)을 지지한다. The
상부챔버(135)는 하부챔버(131)의 상측에 배치되며, 하부챔버(131)와 함께 처리공간을 제공한다. 상부챔버(135)는 처리공간(130a)의 개방시 구동부(150)에 의해 지지되고, 처리공간(130a)의 밀폐시 하부챔버(131)에 지지된다. 상정반(136)은 상부챔버(135)의 내측에 배치되며, 상부챔버(135)로부터 이격된다. 도시되지 않았지만 하정반(132) 및 상정반(136)은 기판을 지지하는 진공척, 정전척, 마그네틱척 중 어느 하나를 각각 포함할 수 있다.The
하정반(132)과 상정반의 사이에는 간격감지기(133)가 배치된다. 간격감지 기(133)는 두 기판(S1, S2)의 개략 정렬 이후 두 기판(S1, S2)의 정밀 정렬을 위한 두 기판(S1, S2)의 간격을 감지한다. 간격감지기(133)는 상정반의 승강에 따라 상정반(136)에 접촉되어 접촉신호를 발생시킨다. 이 접촉신호는 이후 설명될 구동모터(151)의 제어신호로 사용된다. 여기서, 도 1 내지 도 2에서는 간격감지기(133)를 접촉식 센서로 도시하고 설명하고 있으나, 다른 실시예로 비접촉식 센서로 채택될 수 있다. The
상정반지지부(140)는 지지판(141)과 지지축(142)을 포함한다. 지지판(141)은 상부챔버(135)의 외측에 배치되며, 상부챔버(135)로부터 이격된다. 지지축(142)은 지지판(141)으로부터 연장되고, 상부챔버(135)를 관통하여 상정반(136)에 체결된다. The upper
구동부(150)는 상부챔버(135)를 승강시켜 처리공간(130a)을 개폐시키며, 상정반지지부(140)를 승강시켜 하부기판(S1)에 대한 상부기판(S2)의 간격을 조절한다. 이러한 구동부(150)는 구동모터(151), 스크류(152), 승강부재(153) 및 승강가이드(154)를 포함한다. The
구동모터(151)는 정렬스테이지(120)에 지지되며, 회전동력을 제공한다. 구동모터는 정회전 및 역회전이 가능하도록 마련된다. The
스크류(152)는 하부챔버(131)와 상부챔버(135)를 관통하며, 지지판(141)에 나사결합되어 지지판(141)을 지지한다. 스크류(152)는 구동모터(151)에 의해 회전되어 지지판(141)을 승강시킨다. 스크류(152)는 구동모터(151)의 정회전에 따라 정회전되어 지지판(141)을 상승시키며, 구동모터(151)의 역회전에 따라 역회전되어 지지판(141)을 하강시킨다. The
승강부재(153)는 상부챔버(135)의 하측에 배치되어 스크류(152)에 나사결합된다. 승강부재(153)는 스크류(152)의 회전에 따라 승강된다. 승강부재(153)는 스크류(152)의 정회전시 상승되어 상부챔버(135)를 지지하여 상부챔버(135)를 상승시키며, 스크류(152)의 역회전시 하강되어 상부챔버(135)를 하부챔버(131) 측으로 하강시킨다. The
승강부재(153)와 상부챔버(135)의 사이에는 완충부재(155)가 배치된다. 완충부재(155)는 스크류(152)의 회전에 따라 서로 접촉되는 상부챔버(135)와 승강부재(153)에 발생될 수 있는 충격을 완화시키며, 상부챔버(135) 및 승강부재(153)의 마모를 방지한다. A
승강가이드(154)는 하부챔버(131)에 고정되며, 승강부재(153), 상부챔버(135) 및 상정반지지부(140)를 관통한다. 승강가이드(154)는 스크류(152)에 나사결합된 상부챔버(135) 및 승강부재(153)가 스크류(152)의 회전에 따라 회전되지 않도록 하며, 상부챔버(135)와 승강부재(153)의 승강을 안내한다.The
한편, 하부챔버(131)와 상부챔버(135)의 사이에는 처리공간(130a)의 밀폐시 하부챔버(131)와 상부챔버(135)의 사이로 처리공간(130a)의 기밀이 새어나가는 것을 방지하는 제1 기밀부재(134)가 배치된다. 제1 기밀부재(134)로는 오-링이 사용된다. Meanwhile, between the
또한, 지지판(141)과 상부챔버(135)의 사이에는 처리공간(130a)의 밀폐시 지지축(142)이 관통되는 관통홀(142a)로부터 처리공간(130a)의 기밀이 새어나가는 것 을 방지하는 제2 기밀부재(137)가 배치된다. 제2 기밀부재(137)로는 벨로우즈가 사용된다.In addition, between the supporting
도시되지 않았지만, 하부기판(S1)과 상부기판(S2)에는 두 기판(S1, S2)의 정렬을 위한 얼라인마크가 각각 형성되어 제공될 수 있으며, 기판합착장치는 두 얼라인마크의 일치여부를 촬영하는 카메라를 포함할 수 있다. 이러한 얼라인마크 및 카메라는 이미 공지된 기술이므로 상세한 설명은 생략하도록 한다. Although not shown, an alignment mark for aligning the two substrates S1 and S2 may be provided on the lower substrate S1 and the upper substrate S2, respectively, and the substrate bonding apparatus may be aligned with the two alignment marks. It may include a camera for photographing. Since the alignment mark and the camera are already known technologies, detailed descriptions thereof will be omitted.
이하, 본 실시예에 따른 기판처리장치의 작동에 대해 첨부된 도면을 참조하여 상세히 설명하도록 한다. Hereinafter, the operation of the substrate treating apparatus according to the present embodiment will be described in detail with reference to the accompanying drawings.
도 3은 본 실시예에 따른 기판처리장치에서 처리공간이 개방된 상태를 나타낸 부분단면도이다. 도 3을 참조하면, 상부챔버(135)는 승강부재(153)에 지지되어 하부챔버(131)로부터 이격된다. 상부챔버(135)가 하부챔버(131)로부터 이격됨에 따라 처리공간(130a)은 개방된다. 개방된 처리공간(130a)으로 하부기판(S1)과 상부기판(S2)이 반입된다. 하부기판(S1)은 하정반(132)에 지지되고 상부기판(S2)은 상정반(136)에 지지되어 서로 대향한다.3 is a partial cross-sectional view showing a state in which a processing space is opened in the substrate processing apparatus according to the present embodiment. Referring to FIG. 3, the
도 4는 본 실시예에 따른 기판처리장치의 처리공간 밀폐 작동을 나타낸 부분단면도이다. 도 4를 참조하면, 처리공간(130a)의 밀폐를 위해 구동모터(151)는 스크류(152)를 역회전시킨다. 스크류(152)가 역회전됨에 따라 지지판(141)과 승강부재(153)는 함께 하강한다. 이때 승강가이드(154)는 지지판(141)과 승강부재(153)의 회전을 방지하며, 지지판(141)과 승강부재(153)의 하강을 안내한다.4 is a partial sectional view showing a process space sealing operation of the substrate processing apparatus according to the present embodiment. Referring to FIG. 4, the
승강부재(153)에 지지되는 상부챔버(135)는 승강부재(153)와 함께 하강된다. 상부챔버(135)는 제1 기밀부재(134)에 접촉되며, 하부챔버(131)에 의해 지지된다. 이와 같이 상부챔버(135)의 하강에 따라 처리공간(130a)은 밀폐되며 제1 기밀부재(134)는 처리공간(130a)의 기밀을 유지시킨다. The
처리공간(130a)이 밀폐되면 두 기판(S1, S2)의 개략 정렬이 이루어진다. 즉, 카메라(미도시)는 두 얼라인마크(미도시)의 일치 여부를 촬영한다. 카메라(미도시)의 촬영결과에 따라 정렬스테이지(120)는 구동부(150)를 평면 상(x축방향 또는, y축방향)으로 이동시킨다. 구동부(150)의 위치가 이동됨에 따라 스크류(152)에 지지되는 지지판(141)의 위치가 이동되고, 지지판(141)의 위치가 이동됨에 따라 지지축(142)에 의해 지지되는 상정반(136)의 위치가 이동된다. When the
이와 같이 상정반(136)의 위치를 조절하여 하정반(132)에 지지되는 하부기판(S1)에 대한 상부기판(S2)의 위치를 조절하여 두 기판을 정렬한다. (이하, 기판 정렬동작)As such, by adjusting the position of the
도 5는 본 실시예에 따른 기판처리장치의 기판 간격조절 작동을 나타낸 부분단면도이다. 도 5를 참조하면, 두 기판(S1, S2)의 정밀 정렬을 위해 구동모터(151)는 스크류(152)를 역회전시킨다. 스크류(152)가 역회전됨에 따라 지지판(141)과 승강부재(153)는 함께 하강한다. 이때 승강가이드(154)는 지지판(141)과 승강부재(153)의 회전을 방지하며, 지지판(141)과 승강부재(153)의 하강을 안내한다.5 is a partial cross-sectional view showing a substrate gap adjusting operation of the substrate processing apparatus according to the present embodiment. Referring to FIG. 5, the
상부챔버(135)는 하부챔버(131)에 의해 지지된 상태이므로, 승강부재(153)는 하강되어 상부챔버(135)로부터 이격된다. 지지판(141)이 하강됨에 따라 지지 축(142)에 의해 지지되는 상정반(136)은 함께 하강한다. 상정반(136)이 하강됨에 따라 상정반(136)은 하정반(132)에 배치된 간격감지기(133)에 접촉된다. 간격감지기(133)는 접촉신호를 발생하며, 구동모터(151)는 접촉신호의 발생에 따라 회전이 정지된다. 이때 두 기판(S1, S2)의 간격은 수 ㎛ ~ 수백 ㎛ 로 형성된다.Since the
이와 같이 두 기판(S1, S2)이 근접하면 상술한 기판 정렬동작에 따라 두 기판의 정밀 정렬이 이루어진다. As such, when the two substrates S1 and S2 are close to each other, precise alignment of the two substrates is performed according to the substrate alignment operation described above.
두 기판(S1, S2)의 정밀 정렬이 이루어지면, 상정반(136)은 상부기판(S2)의 지지상태를 해제한다. 상부기판(S2)은 하부기판(S1)으로 자유낙하하여 하부기판(S1)에 접촉되고, 두 기판(S1, S2)은 합착된다. When the precise alignment of the two substrates (S1, S2) is made, the
도 6은 본 실시예에 따른 기판처리장치의 처리공간 개방 동작을 나타낸 부분단면도이다. 도 6을 참조하면, 합착된 두 기판(S1, S2)의 반출을 위해 구동모터(151)는 스크류(152)를 정회전시킨다. 스크류(152)가 정회전됨에 따라 지지판(141)과 승강부재(153)는 함께 상승한다. 이때 승강가이드(154)는 지지판(141)과 승강부재(153)의 회전을 방지하며, 지지판(141)과 승강부재(153)의 상승을 안내한다. 6 is a partial cross-sectional view showing a processing space opening operation of the substrate processing apparatus according to the present embodiment. Referring to FIG. 6, the driving
스크류(152)의 정회전에 의해 상승하는 승강부재(153)는 상부챔버(135)에 접촉된다. 이때 완충부재(155)는 서로 접촉되는 상부챔버(135)와 승강부재(153)에 발생될 수 있는 충격을 완화시키며, 상부챔버(135) 및 승강부재(153)의 마모를 방지한다.The elevating
상부챔버(135)에 접촉된 승강부재(153)는 스크류(152)의 정회전에 따라 계속 해서 상승하며, 상부챔버(135)는 승강부재(153)에 지지되어 승강부재(153)와 함께 상승한다. 상부챔버(135)의 상승에 따라 처리공간(130a)은 개방된다.The elevating
이후, 합착된 두 기판(S1, S2)은 개방된 처리공간(130a)의 외부로 반출된다.Thereafter, the two bonded substrates S1 and S2 are carried out of the
상술한 바와 같이 기판합착장치는 구동부(150)에 의해 처리공간(130a)의 개폐와 두 기판(S1, S2)의 간격조절을 수행할 수 있다. As described above, the substrate bonding apparatus may perform opening / closing of the
도 1은 본 실시예에 따른 기판합착장치를 나타낸 사시도이다.1 is a perspective view showing a substrate bonding apparatus according to the present embodiment.
도 2는 본 실시예에 따른 기판합착장치를 나타낸 단면도이다.2 is a cross-sectional view showing a substrate bonding apparatus according to the present embodiment.
도 3은 본 실시예에 따른 기판처리장치에서 처리공간이 개방된 상태를 나타낸 부분단면도이다. 3 is a partial cross-sectional view showing a state in which a processing space is opened in the substrate processing apparatus according to the present embodiment.
도 4는 본 실시예에 따른 기판처리장치의 처리공간 밀폐 작동을 나타낸 부분단면도이다.4 is a partial sectional view showing a process space sealing operation of the substrate processing apparatus according to the present embodiment.
도 5는 본 실시예에 따른 기판처리장치의 기판 간격조절 작동을 나타낸 부분단면도이다.5 is a partial cross-sectional view showing a substrate gap adjusting operation of the substrate processing apparatus according to the present embodiment.
도 6은 본 실시예에 따른 기판처리장치의 처리공간 개방 동작을 나타낸 부분단면도이다.6 is a partial cross-sectional view showing a processing space opening operation of the substrate processing apparatus according to the present embodiment.
<도면의 주요부분에 대한 부호 설명>Description of the Related Art [0002]
110 : 프레임 120 : 정렬스테이지110: frame 120: alignment stage
130 : 챔버 131 : 하부챔버130: chamber 131: lower chamber
135 : 상부챔버 136 : 상정반135: upper chamber 136: upper plate
140 : 상정반지지부 141 : 지지판140: upper plate support 141: support plate
142 : 지지축 150 : 구동부142: support shaft 150: drive unit
152 : 스크류 154 : 승강부재 152: screw 154: lifting member
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