JP5996566B2 - Work chuck device, work laminating machine, and work laminating method - Google Patents

Work chuck device, work laminating machine, and work laminating method Download PDF

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JP5996566B2
JP5996566B2 JP2014024950A JP2014024950A JP5996566B2 JP 5996566 B2 JP5996566 B2 JP 5996566B2 JP 2014024950 A JP2014024950 A JP 2014024950A JP 2014024950 A JP2014024950 A JP 2014024950A JP 5996566 B2 JP5996566 B2 JP 5996566B2
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holding
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holding member
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JP2015153837A5 (en
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義和 大谷
義和 大谷
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Shin Etsu Engineering Co Ltd
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Description

本発明は、例えば液晶ディスプレイ(LCD)、有機ELディスプレイ(OLED)、プラズマディスプレイ(PDP)、フレキシブルディスプレイなどのフラットパネルディスプレイ(FPD)やセンサーデバイスか、又は例えばタッチパネル式FPDや3D(3次元)ディスプレイや電子書籍などのような、液晶モジュール(LCM)やフレキシブルプリント配線板(FPC)などの板状ワークに対して、タッチパネルやカバーガラスやカバーフィルムやFPDなどのもう一枚の板状ワークを貼り合わせる貼合デバイスの製造過程において、これらの板状ワークを着脱自在に保持するワーク用チャック装置、及び、それが組み込まれたワーク貼り合わせ機、並びに、ワーク貼り合わせ方法に関する。   The present invention may be a flat panel display (FPD) or a sensor device such as a liquid crystal display (LCD), an organic EL display (OLED), a plasma display (PDP), or a flexible display, or a touch panel type FPD or 3D (three-dimensional). Another plate-like workpiece such as a touch panel, cover glass, cover film, or FPD is used for a plate-like workpiece such as a liquid crystal module (LCM) or flexible printed wiring board (FPC) such as a display or an electronic book. The present invention relates to a workpiece chuck device that detachably holds these plate-like workpieces in a manufacturing process of a bonding device to be bonded, a workpiece bonding machine incorporating the workpiece, and a workpiece bonding method.

従来、この種のワーク用チャック装置及びワーク貼り合わせ機として、上側基板保持具及び下側基板保持具に設けられた貫通孔に沿って、上側基板及び下側基板の受け渡し用のリフトピンをそれぞれ上下動可能に設け、大気圧における搬入時には、搬送ロボットのアームで保持して搬送された上側基板及び下側基板を、上側基板保持具及び下側基板保持具の表面から突出するように上下動した上側リフトピン及び下側リフトピンでそれぞれ受け取る。これに続き上側リフトピン及び下側リフトピンが逆向きに移動して、上側基板及び下側基板を上側基板保持具及び下側基板保持具の表面にそれぞれ受け渡す基板重ね合わせ装置がある(例えば、特許文献1参照)。
特に上側基板は、下側が素子面になるので、上側の面を搬送ロボットのアームで真空吸着して搬送され、このアームに干渉しない位置で下降した上側リフトピンにより上側基板を真空吸着している。アームの真空吸着が解除されてアームが退避した後は、上側リフトピンが上昇し、真空吸着機構が動作して、上側基板を上側基板保持具に真空吸着している。
さらに基板の受け渡し後は、上側基板保持具と下側基板保持具が接近移動して、両者間の真空容器内を真空状態にしてから、上側基板と下側基板を重ね合わせて、両者間のシール材を仮止めし、真空容器内が大気圧になってから、貼り合わされた上側基板及び下側基板をリフトピンにより搬送ロボットのアームに受け渡して、真空容器から搬出している。
Conventionally, as this kind of workpiece chuck device and workpiece bonding machine, upper and lower lift pins for transferring the upper substrate and the lower substrate are respectively moved up and down along the through holes provided in the upper substrate holder and the lower substrate holder. When carrying in at atmospheric pressure, the upper substrate and the lower substrate held and transferred by the arm of the transfer robot were moved up and down so as to protrude from the surfaces of the upper substrate holder and the lower substrate holder. Receiving at the upper and lower lift pins, respectively. Subsequent to this, there is a substrate overlaying device in which the upper lift pin and the lower lift pin move in the opposite directions to transfer the upper substrate and the lower substrate to the surfaces of the upper substrate holder and the lower substrate holder, respectively (for example, patents) Reference 1).
In particular, since the lower side of the upper substrate is an element surface, the upper surface is conveyed by vacuum suction with an arm of a transfer robot, and the upper substrate is vacuum-sucked by upper lift pins that are lowered at positions not interfering with the arm. After the vacuum suction of the arm is released and the arm is retracted, the upper lift pin is raised, the vacuum suction mechanism is operated, and the upper substrate is vacuum suctioned to the upper substrate holder.
Further, after the substrate is transferred, the upper substrate holder and the lower substrate holder are moved closer to each other, the inside of the vacuum container between them is evacuated, and the upper substrate and the lower substrate are overlapped, After the sealing material is temporarily fixed and the inside of the vacuum vessel is at atmospheric pressure, the bonded upper substrate and lower substrate are transferred to the arm of the transfer robot by lift pins and are carried out of the vacuum vessel.

特開2002−229471号公報JP 2002-229471 A

しかし乍ら、このような従来のワーク用チャック装置及びワーク貼り合わせ機では、搬送ロボットのアームやリフトピンの真空吸着による上側基板の吊持箇所が、上側基板の全面ではなく部分的な点状であるため、これらの吊持状態で上側基板がその自重により部分的に伸び縮みして凹凸状に撓んでしまい、この部分的な伸縮による歪みを残留したまま上側基板が上側基板保持具に受け渡されてしまった。
これが原因で、上側基板保持具の保持ヘッドにおける平滑なチャック面に沿って上側基板を平行に配置することが困難となり、上側基板を上側基板保持具の平滑なチャック面へ受け渡す際に、確実な保持ができないという問題があった。このような基板を受け渡す際に生じる部分歪みが、最終的に貼り合せを行った後で基板の残留歪みとなって、貼り合せ精度に影響を及ぼすことがある。
詳しく説明すると、近年LCDなどでは、基板が大型化・薄型化する傾向にあり、一般的にG8.5(2200×2500mm)サイズの液晶用ガラス基板で厚みが0.2mm、G11(3000×3320mm)サイズ液晶用ガラス基板で厚みが0.5mmとなって、非常に撓み変形し易くなっている。また4k×2kパネルや、高精細パネル及び多視野の3D技術など、パネルに対して高精細なものが求められ、TFT基板とカラーフィルター基板との位置合わせ誤差は2μm台以下の精度が、パネル面全体に対して求められている。
一方、貼り合せ装置の位置合わせを行う基準のマーク位置と、そのマーク位置を確認するカメラは、基板の全面で行うわけではなく、一般的にG8.5サイズの液晶用ガラス基板であっても、その端部位置において4か所から8か所程度のアライメントを行っている。
そのため、ガラス基板の中心位置に部分歪みが残留していると、カメラでマーク合せを行う端部位置では、非常に位置ズレが少ないものの、ガラス基板の中心位置では端部位置に比べて基板同士に相対的な位置ズレが大きくなり、G8.5サイズの液晶用ガラス基板の位置合わせ誤差を2μm台以下の精度にすることは非常に困難であった。
However, in such a conventional workpiece chuck device and workpiece bonding machine, the upper substrate is suspended by partial dots instead of the entire surface of the upper substrate by vacuum suction of the arm or lift pin of the transfer robot. Therefore, in these suspended states, the upper substrate partially expands and contracts due to its own weight and bends in an uneven shape, and the upper substrate is transferred to the upper substrate holder while the distortion due to the partial expansion and contraction remains. It has been done.
This makes it difficult to place the upper substrate in parallel along the smooth chuck surface of the holding head of the upper substrate holder, so that the upper substrate can be reliably transferred to the smooth chuck surface of the upper substrate holder. There was a problem that it could not be held properly. Such partial distortion that occurs when the substrate is delivered becomes residual distortion of the substrate after the final bonding, which may affect the bonding accuracy.
More specifically, in recent years, LCDs have become larger and thinner in LCDs and the like. Generally, a glass substrate for liquid crystal of G8.5 (2200 × 2500 mm) size has a thickness of 0.2 mm, G11 (3000 × 3320 mm). ) The thickness of the glass substrate for liquid crystal is 0.5 mm, and it is very easy to bend and deform. High-definition panels such as 4k x 2k panels, high-definition panels, and multi-view 3D technology are required. The alignment error between the TFT substrate and the color filter substrate is less than 2μm. It is required for the entire surface.
On the other hand, the reference mark position for alignment of the laminating apparatus and the camera for confirming the mark position are not performed on the entire surface of the substrate, and even a G8.5 size liquid crystal glass substrate is generally used. Alignment is performed at 4 to 8 locations at the end position.
Therefore, if partial distortion remains at the center position of the glass substrate, there is very little positional deviation at the end position where the mark is aligned with the camera, but at the center position of the glass substrate, the substrates are closer to each other than the end position. Therefore, it was very difficult to make the alignment error of the G8.5 size liquid crystal glass substrate less than 2 μm.

本発明は、このような問題に対処することを課題とするものであり、ワークに残留した部分歪みを除去して受け取り且つワークの粘着保持に切り換えて減圧雰囲気で位置ズレ不能に搬送すること、などを目的とするものである。   The present invention has an object to cope with such a problem, and removes the partial distortion remaining on the workpiece, receives it and switches to the adhesive holding of the workpiece, and conveys in a reduced pressure atmosphere so as not to be misaligned. It is for the purpose.

このような目的を達成するために本発明に係るワーク用チャック装置は、大気雰囲気において受け取り着脱自在に接触保持された板状のワークを減圧雰囲気で搬送するワーク用チャック装置であって、前記ワークと対向するチャック面から前記ワークが浮くように非接触で保持する浮揚部を有する非接触保持手段と、前記チャック面に対して前記ワークを着脱自在に粘着保持する粘着部を有する粘着保持手段と、前記非接触保持手段の前記浮揚部及び前記粘着保持手段の前記粘着部をそれぞれ作動制御する制御部と、を備え、前記浮揚部は、前記ワークとの間にそれぞれ逆向きの離隔圧力及び接近圧力を発生させる手段が具備され、前記制御部は、大気雰囲気において前記浮揚部の前記離隔圧力及び前記接近圧力をバランスさせて、前記ワーク前記チャック面から浮くように非接触で保持され、減圧前又は減圧中に前記離隔圧力を減少させて、前記ワークが前記粘着保持手段の前記粘着部当接して前記チャック面粘着保持されるように制御することを特徴とする。 Such workpiece chucking device according to the present invention in order to achieve the object, there is provided a workpiece chuck device for feeding transportable under reduced pressure atmosphere to receive removably contact retained plate-like workpiece in an air atmosphere, adhesive having the work and from the opposite chuck surface and the non-contact holding means having a flotation unit which holds a non-contact so that the workpiece to float, the adhesive portion for detachably adhesive holding the workpiece against the chuck surface Holding means, and a control unit for controlling the operation of the floating part of the non-contact holding means and the adhesive part of the adhesive holding means, respectively, and the floating part is spaced apart from each other in the opposite direction. It is provided means for generating pressure and proximity pressure, the control unit, by balancing the separation pressure and the approaching pressure of the flotation section in an air atmosphere, the word There is maintained in a non-contact to float from the chuck surface, thereby reducing the separation pressure in the reduced pre- or reduced pressure, adhesive holding the chuck surface the workpiece abuts on the adhesive portion of the adhesive holding means It is characterized by controlling to be performed.

前述した特徴を有する本発明に係るワーク用チャック装置は、大気雰囲気において、搬送ロボットなどの受け渡し部材から部分歪みの残留したワークが、チャック面に受け渡されても、制御部で非接触保持手段の浮揚部を作動制御して、チャック面からワークが浮くように非接触で保持することにより、ワークの部分歪みが開放され、ワークを全体的にチャック面に沿った平滑状態にして受け取ることが可能になる。その後の減圧前又は減圧中において、制御部で粘着保持手段の粘着部ワーク当接させることにより、チャック面にワークが平滑状態のまま粘着保持されて、その後に減圧雰囲気になっても、ワークが平滑状態のまま保持されて位置ズレしない。
したがって、ワークW1に残留した部分歪みを除去して受け取り且つワークW1の粘着保持に切り換えて減圧雰囲気DPで位置ズレ不能に搬送することができる。
その結果、部分歪みを残留したまま上側基板が上側基板保持具に受け渡されてしまう従来のものに比べ、ワークW1がLCDなどのガラス基板のように大型化しても自重による部分歪みの影響を解消して、所定位置にワークW1を保持しながら搬送できるため、位置精度の向上が図れる。
The chuck device for a workpiece according to the present invention having the above-described features is a non-contact holding means in the control unit even when a workpiece with partial distortion remaining from the transfer member such as a transfer robot is transferred to the chuck surface in the air atmosphere. By controlling the levitation part of the workpiece and holding it in a non-contact manner so that the workpiece floats from the chuck surface, the partial distortion of the workpiece is released and the workpiece can be received in a smooth state along the chuck surface as a whole. It becomes possible. In a subsequent decompression before or during decompression, the Rukoto to contact the workpiece to the adhesive portion of the adhesive holding means in the control unit, the workpiece to the chuck surface is sticky kept even state, even then become reduced pressure atmosphere The workpiece is held in a smooth state and is not misaligned.
Therefore, the partial distortion remaining on the workpiece W1 can be removed and received, and the workpiece W1 can be switched to the adhesive holding and transported in the reduced pressure atmosphere DP without being misaligned.
As a result, even if the workpiece W1 is enlarged like a glass substrate such as an LCD, the influence of the partial distortion due to its own weight is made, compared to the conventional one in which the upper substrate is delivered to the upper substrate holder with partial distortion remaining. Since it can be eliminated and conveyed while holding the workpiece W1 at a predetermined position, the positional accuracy can be improved.

本発明の実施形態に係るワーク用チャック装置の全体構成を示す説明図であり、(a)が縦断正面図、(b)が底面図である。It is explanatory drawing which shows the whole structure of the workpiece chuck apparatus which concerns on embodiment of this invention, (a) is a vertical front view, (b) is a bottom view. ワーク用チャック装置の作動状態を示す説明図であり、(a)が受け取り時の縮小縦断正面図、(b)が粘着保持時の縮小縦断正面図、(c)が吸引時の縮小縦断正面図である。It is explanatory drawing which shows the operating state of the chuck | zipper apparatus for workpiece | work, (a) is a reduction | decrease longitudinal front view at the time of receipt, (b) is a reduction | decrease longitudinal front view at the time of adhesion holding, (c) is a reduction | decrease longitudinal front view at the time of attraction | suction. It is. 本発明の実施形態に係るワーク貼り合わせ機の全体構成を示す説明図であり、(a)が縮小縦断正面図、(b)が縮小底面図である。It is explanatory drawing which shows the whole structure of the workpiece | work bonding machine which concerns on embodiment of this invention, (a) is a reduction | decrease vertical front view, (b) is a reduction | decrease bottom view. ワーク貼り合わせ機の作動状態を示す説明図であり、(a)が受け取り後の縮小縦断正面図、(b)が歪み解放時の縮小縦断正面図、(c)が貼り合わせ直前の縮小縦断正面図である。It is explanatory drawing which shows the operation state of a workpiece | work bonding machine, (a) is a reduction | decrease longitudinal front view after receiving, (b) is a reduction | decrease longitudinal front view at the time of distortion relief, (c) is a reduction | decrease longitudinal front just before bonding. FIG. 本発明の他の実施例に係るワーク用チャック装置の全体構成を示す説明図であり、(a)が縦断正面図、(b)が底面図である。It is explanatory drawing which shows the whole structure of the workpiece chuck apparatus which concerns on the other Example of this invention, (a) is a vertical front view, (b) is a bottom view. ワーク用チャック装置の作動状態を示す説明図であり、(a)が受け取り時の縮小縦断正面図、(b)が粘着保持時の縮小縦断正面図、(c)が吸引時の縮小縦断正面図である。It is explanatory drawing which shows the operating state of the chuck | zipper apparatus for workpiece | work, (a) is a reduction | decrease longitudinal front view at the time of receipt, (b) is a reduction | decrease longitudinal front view at the time of adhesion holding, (c) is a reduction | decrease longitudinal front view at the time of attraction | suction. It is. 本発明の実施形態に係るワーク貼り合わせ機の全体構成を示す説明図であり、(a)が縮小縦断正面図、(b)が縮小底面図である。It is explanatory drawing which shows the whole structure of the workpiece | work bonding machine which concerns on embodiment of this invention, (a) is a reduction | decrease vertical front view, (b) is a reduction | decrease bottom view. ワーク貼り合わせ機の作動状態を示す説明図であり、(a)が受け取り後の縮小縦断正面図、(b)が歪み解放時の縮小縦断正面図、(c)が貼り合わせ直前の縮小縦断正面図である。It is explanatory drawing which shows the operation state of a workpiece | work bonding machine, (a) is a reduction | decrease longitudinal front view after receiving, (b) is a reduction | decrease longitudinal front view at the time of distortion relief, (c) is a reduction | decrease longitudinal front just before bonding. FIG. 本発明の他の実施例に係るワーク用チャック装置の全体構成を示す説明図であり、(a)が縦断正面図、(b)が底面図である。It is explanatory drawing which shows the whole structure of the workpiece chuck apparatus which concerns on the other Example of this invention, (a) is a vertical front view, (b) is a bottom view. ワーク用チャック装置の作動状態を示す説明図であり、(a)が受け取り時の縮小縦断正面図、(b)が粘着保持時の縮小縦断正面図、(c)が吸引時の縮小縦断正面図である。It is explanatory drawing which shows the operating state of the chuck | zipper apparatus for workpiece | work, (a) is a reduction | decrease longitudinal front view at the time of receipt, (b) is a reduction | decrease longitudinal front view at the time of adhesion holding, (c) is a reduction | decrease longitudinal front view at the time of attraction | suction. It is.

以下、本発明の実施形態を図面に基づいて詳細に説明する。
本発明の実施形態に係るワーク用チャック装置Aは、図1〜図10に示すように、大気雰囲気APから所定真空度の減圧雰囲気DPに亘り、LCDのガラス基板などからなる板状のワークW1を着脱自在に接触保持して搬送するものである。例えば、搬送ロボットなどの受け渡し部材(図示しない)により、大気雰囲気APの変圧室C内に搬入されたワークW1を非接触(浮いた状態)で受け取り、減圧された変圧室C内、すなわち減圧雰囲気DPでワークW1を接触(粘着)保持する、ワーク貼り合わせ機Bなどに組み込まれる着脱可能な保持機構である。
詳しく説明すると、本発明の実施形態に係るワーク用チャック装置Aは、ワークW1と対向するチャック面1aを有するチャック本体1と、チャック面1aからワークW1が浮くように非接触で保持する非接触保持手段2と、ワークW1を着脱自在に粘着保持する粘着保持手段3と、少なくとも非接触保持手段2及び粘着保持手段3をそれぞれ作動制御する制御部4と、を主要な構成要素として備えている。
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
As shown in FIGS. 1 to 10, the workpiece chuck apparatus A according to the embodiment of the present invention includes a plate-like workpiece W <b> 1 made of an LCD glass substrate or the like from the atmospheric atmosphere AP to the reduced pressure atmosphere DP of a predetermined vacuum degree. Is detachably contacted and transported. For example, the work W1 carried into the variable pressure chamber C in the atmospheric atmosphere AP is received in a non-contact (floating state) by a delivery member (not shown) such as a transfer robot, and the pressure in the low pressure variable chamber C, that is, the low pressure atmosphere. It is a detachable holding mechanism incorporated in the workpiece laminator B or the like that holds (adheres) the workpiece W1 with DP.
More specifically, the workpiece chuck device A according to the embodiment of the present invention includes a chuck body 1 having a chuck surface 1a facing the workpiece W1, and a non-contact type holding the workpiece W1 in a non-contact manner so that the workpiece W1 floats from the chuck surface 1a. The main component includes a holding unit 2, an adhesive holding unit 3 that holds the workpiece W1 in a detachable manner, and a control unit 4 that controls at least the non-contact holding unit 2 and the adhesive holding unit 3, respectively. .

チャック本体1は、例えば金属や合成樹脂などの硬質材料で、例えば円筒や角筒などの筒状か又はその他の形状に形成され、その先端にワークW1と平行なチャック面1aを形成している。
チャック本体1の外側には、保持部材11が連設され、保持部材11によってZ方向(上下方向)に往復動自在に支持している。図示される例では、保持部材11の保持面11aがチャック面1aと同一平面状に配置されるように連設している。
また、その他の例として図示しないが、保持部材11の保持面11aをチャック面1aよりも凹状に配置することにより、チャック面1aにワークW1の表面が接触した時に、保持部材11の保持面11aがワークW1の表面と非接触となるように配置することも可能である。
保持部材11は、後述する制御部4で作動制御されるアクチュエータなどの昇降駆動部12と連係して、チャック本体1をZ方向へ往復動させるように構成することも可能である。
さらに、保持部材11には、ワークW1のサイズに対応して、図1及び図2,図5及び図6,図9及び図10に示されるように、単数のチャック本体1が設置される。またそれ以外に、図3及び図4,図7及び図8に示されるように、複数のチャック本体1がそれぞれXY方向(左右方向)へ所定間隔毎に設置することも可能である。
The chuck body 1 is made of, for example, a hard material such as metal or synthetic resin, and is formed in a cylindrical shape such as a cylinder or a square tube or other shapes, and a chuck surface 1a parallel to the workpiece W1 is formed at the tip thereof. .
A holding member 11 is connected to the outside of the chuck body 1 and is supported by the holding member 11 so as to reciprocate in the Z direction (vertical direction). In the illustrated example, the holding surface 11a of the holding member 11 is continuously arranged so as to be arranged in the same plane as the chuck surface 1a.
Although not illustrated as another example, the holding surface 11a of the holding member 11 is disposed when the surface of the workpiece W1 comes into contact with the chuck surface 1a by disposing the holding surface 11a of the holding member 11 more concave than the chuck surface 1a. It is also possible to arrange so that is not in contact with the surface of the workpiece W1.
The holding member 11 can also be configured to reciprocate the chuck body 1 in the Z direction in cooperation with an elevating drive unit 12 such as an actuator whose operation is controlled by the control unit 4 described later.
Furthermore, a single chuck body 1 is installed on the holding member 11 as shown in FIGS. 1, 2, 5, 6, 9, and 10, corresponding to the size of the workpiece W <b> 1. In addition, as shown in FIGS. 3, 4, 7, and 8, a plurality of chuck bodies 1 can be installed at predetermined intervals in the XY directions (left and right directions), respectively.

非接触保持手段2は、チャック本体1のチャック面1aに対しワークW1を浮かせて非接触で保持するための浮揚部2aを有し、浮揚部2aがチャック本体1に設けられている。
浮揚部2aは、気体の噴出、超音波、静電吸着力などを用いて、チャック本体1のチャック面1aとワークW1の対向空間に、チャック面1a側からワークW1側に向かう離隔圧力P1と、これと逆にワークW1側からチャック面1a側に向かう接近圧力P2とをそれぞれ同時に発生させている。これら離隔圧力P1及び接近圧力P2をバランスさせることにより、チャック面1aとワークW1の間にZ方向へ空気膜2bが形成されて、チャック面1aからワークW1が浮いた状態を維持するように構成されている。
浮揚部2aとしてチャック本体1の内部には、チャック面1aに向けて通気路2cが形成され、通気路2cと連続するようにポンプや圧縮機などの吸排気源(図示しない)を配管接続している。
さらに、非接触保持手段2は、ワークW1を吸引するための吸気部2dを有することが好ましい。
The non-contact holding means 2 has a levitation part 2 a for floating and holding the workpiece W 1 against the chuck surface 1 a of the chuck main body 1 in a non-contact manner, and the levitation part 2 a is provided in the chuck main body 1.
The levitation unit 2a uses a gas ejection, an ultrasonic wave, an electrostatic attraction force, and the like in the space between the chuck surface 1a of the chuck body 1 and the workpiece W1 and a separation pressure P1 from the chuck surface 1a side toward the workpiece W1 side. On the contrary, the approach pressure P2 from the workpiece W1 side toward the chuck surface 1a side is simultaneously generated. By balancing the separation pressure P1 and the approach pressure P2, an air film 2b is formed in the Z direction between the chuck surface 1a and the workpiece W1, and the workpiece W1 is maintained in a floating state from the chuck surface 1a. Has been.
An air passage 2c is formed in the chuck body 1 as the levitation portion 2a toward the chuck surface 1a, and an intake / exhaust source (not shown) such as a pump or a compressor is connected by piping so as to be continuous with the air passage 2c. ing.
Furthermore, it is preferable that the non-contact holding means 2 has an intake portion 2d for sucking the workpiece W1.

浮揚部2aの具体例として、図1及び図2に示される例の場合には、気体の噴出により離隔圧力P1と接近圧力P2を同時に発生させている。詳しく説明すると、吸排気源の作動で通気路2cに供給された送気2eを、通気路2cの先端の通気口から所定方向へ噴出させることにより、離隔圧力P1と接近圧力P2を同時に発生させている。これと逆に通気路2cの先端の通気口が吸気部2dとなって、チャック本体1の内部空間やチャック面1aとワークW1の対向空間から吸引した吸気2fを吸排気源へ排気することにより、ワークW1をチャック面1aに向けて引き寄せるように構成されている。つまり、通気路2cは、吸排気源から通気口へ向かう送気2e用の通路と、通気口から吸排気源へ向かう吸気2f用の通路を兼用している。
浮揚部2aの具体例として、図5及び図6に示される例の場合には、多孔質部材2gからの気体の噴出により離隔圧力P1を発生させると同時に、多孔質部材2gに設けられた吸気部2dからの気体吸引により接近圧力P2を発生させている。
浮揚部2aの具体例として、図9及び図10に示される例の場合には、超音波により離隔圧力P1を発生させると同時に、チャック面1aに設けられた吸気部2dからの気体吸引により接近圧力P2を発生させている。
また、その他の例として図示しないが、浮揚部2aとして、超音波や静電吸着力などを用いて離隔圧力P1を発生させたり、気体の吸引以外の手法で接近圧力P2を発生させたりして、チャック面1aからワークW1が浮いた状態を維持することも可能である。
As a specific example of the levitation unit 2a, in the example shown in FIGS. 1 and 2, the separation pressure P1 and the approaching pressure P2 are simultaneously generated by gas ejection. More specifically, the air supply 2e supplied to the air passage 2c by the operation of the intake / exhaust source is ejected in a predetermined direction from the vent at the tip of the air passage 2c, thereby generating the separation pressure P1 and the approaching pressure P2 simultaneously. ing. On the contrary, the air vent at the tip of the air passage 2c becomes the air intake portion 2d, and the air intake 2f sucked from the internal space of the chuck body 1 and the space facing the chuck surface 1a and the workpiece W1 is exhausted to the air intake / exhaust source. The workpiece W1 is configured to be drawn toward the chuck surface 1a. In other words, the air passage 2c serves as both a passage for the air supply 2e from the intake / exhaust source to the vent and a passage for the intake 2f from the vent to the intake / exhaust source.
As a specific example of the levitation unit 2a, in the example shown in FIGS. 5 and 6, the separation pressure P1 is generated by the ejection of gas from the porous member 2g, and at the same time, the intake air provided in the porous member 2g. The approach pressure P2 is generated by gas suction from the portion 2d.
In the case of the example shown in FIGS. 9 and 10 as a specific example of the levitation unit 2a, the separation pressure P1 is generated by ultrasonic waves, and at the same time the gas suction from the intake unit 2d provided on the chuck surface 1a is performed. The pressure P2 is generated.
Further, although not shown as another example, as the levitation unit 2a, the separation pressure P1 is generated using ultrasonic waves, electrostatic attraction force, or the like, or the approaching pressure P2 is generated by a method other than gas suction. It is also possible to maintain the state where the workpiece W1 is lifted from the chuck surface 1a.

粘着保持手段3は、例えば図1(a)(b)及び図2(a)〜(c)などに示されるように、ワークW1に向けてZ方向へ接近移動及び離隔移動する粘着部3aを有し、粘着部3aがチャック本体1に対して非接触保持手段2と相対的にZ方向へ往復動自在に設けられている。
粘着部3aは、その全体又は一部が例えばフッ素ゴムやエラストマー、ブチルゴム、感光性樹脂、アクリル系やシリコン系などの粘着材料でシート状に形成される粘着シートであり、弾性のある面状に形成された粘着面を有している。
粘着部3aの粘着面は、連動部材3bの先端にワークW1と対向するように取り付けられている。連動部材3bは、チャック本体1に対してZ方向へ往復動自在に支持され、後述する制御部4で作動制御されるアクチュエータなどの粘着用駆動部31と連係して、粘着部3aの粘着面をワークW1の表面に接触させることにより、ワークW1が着脱自在に粘着保持されるように構成している。
さらに、粘着部3aの粘着面は、図示例のように、例えばエンボス加工などで凹凸状に形成されて全体的に弾性変形し易くすることにより、ワークW1の表面に対して容易に粘り付くように構成することが好ましい。
粘着部3aの連動部材3bの作動例としては、連動部材3bの基端に粘着用駆動部31と連係する従動部材32が連設され、従動部材32とチャック本体1の間にベローズなどの弾性体3cを設けることにより、粘着部3aの粘着面が常にワークW1の表面から離れる方向(上方向)へ付勢されている。さらに、これと同時に、接近圧力P2を駆動させた時において、チャック本体1の内部空間から外部へ真空漏れすることも防止している。粘着用駆動部31の作動で従動部材32及び連動部材3bを介して粘着部3aの粘着面を逆方向(下方向)へ押圧した時のみ、粘着部3aの粘着面がワークW1の表面に向けて接近移動するように構成されている。
つまり、図示例では、粘着部3aによってワークW1を着脱自在に吊持する場合を示している。
また、その他の例として図示しないが、粘着部3aの粘着面が常にワークW1の表面に向けて接近する方向(下方向)へ付勢するように弾性体3cを設けたり、弾性体3cに代えて粘着用駆動部31により粘着部3aの粘着面を接近移動及び離隔移動させたり変更することも可能である。
For example, as shown in FIGS. 1A and 1B and FIGS. 2A to 2C, the adhesive holding means 3 has an adhesive portion 3a that moves toward and away from the workpiece W1 in the Z direction. The adhesive portion 3a is provided so as to reciprocate in the Z direction relative to the non-contact holding means 2 with respect to the chuck body 1.
The adhesive part 3a is an adhesive sheet that is formed in a sheet shape with an adhesive material such as fluoro rubber, elastomer, butyl rubber, photosensitive resin, acrylic or silicon, and has an elastic surface. It has a formed adhesive surface.
The adhesive surface of the adhesive part 3a is attached to the tip of the interlocking member 3b so as to face the workpiece W1. The interlocking member 3b is supported so as to be reciprocally movable in the Z direction with respect to the chuck main body 1, and is linked to an adhesive driving unit 31 such as an actuator whose operation is controlled by a control unit 4 described later, whereby the adhesive surface of the adhesive unit 3a. Is brought into contact with the surface of the work W1, so that the work W1 is detachably adhered and held.
Further, as shown in the illustrated example, the adhesive surface of the adhesive part 3a is formed in a concavo-convex shape by, for example, embossing and is easily elastically deformed as a whole, so that it easily sticks to the surface of the workpiece W1. It is preferable to configure.
As an example of the operation of the interlocking member 3b of the adhesive part 3a, a driven member 32 linked to the adhesive driving part 31 is connected to the proximal end of the interlocking member 3b, and an elastic such as a bellows is provided between the driven member 32 and the chuck body 1. By providing the body 3c, the adhesive surface of the adhesive part 3a is always urged in a direction (upward) away from the surface of the workpiece W1. Furthermore, at the same time, when the approach pressure P2 is driven, vacuum leakage from the internal space of the chuck body 1 to the outside is also prevented. The adhesive surface of the adhesive portion 3a is directed toward the surface of the workpiece W1 only when the adhesive surface of the adhesive portion 3a is pressed in the reverse direction (downward) through the driven member 32 and the interlocking member 3b by the operation of the adhesive drive portion 31. Are configured to move closer together.
That is, in the example of illustration, the case where the workpiece | work W1 is detachably suspended by the adhesion part 3a is shown.
Although not shown as another example, the elastic body 3c is provided so that the adhesive surface of the adhesive portion 3a always urges toward the surface of the work W1 (downward), or the elastic body 3c is replaced. Thus, the adhesive surface of the adhesive portion 3a can be moved closer to and away from the adhesive drive unit 31 or changed.

制御部4は、非接触保持手段2において浮揚部2aの駆動源となる吸排気源などと、粘着保持手段3において粘着部3aの駆動源となる粘着用駆動部31にそれぞれ電気的に接続するだけでなく、チャック本体1と連係する昇降駆動部12などにも電気的に接続するコントローラーである。
制御部4となるコントローラーは、その制御回路(図示しない)に予め設定されたプログラムに従って、予め設定されたタイミングで順次それぞれ作動制御している。
詳しく説明すると、制御部4は、例えば図2(a)などに示されるように、搬送ロボットなどの受け渡し部材で変圧室C内などに搬入されたワークW1を、大気雰囲気APにおいて非接触保持手段2の浮揚部2aにより、チャック面1aなどから浮くように非接触で受け取るように制御している。
その後の大気雰囲気APから減圧雰囲気DPに切り替わる前の時点では、図2(b)などに示されるように、粘着保持手段3の粘着部3aをワークW1に向けチャック面1aなどと同一平面上となるように接近移動させ、粘着部3aの粘着面がワークW1の表面に当接してチャック面1aにワークW1を粘着保持するように制御している。
The control unit 4 is electrically connected to an intake / exhaust source that is a driving source of the levitation unit 2 a in the non-contact holding unit 2 and an adhesive driving unit 31 that is a driving source of the adhesive unit 3 a in the adhesive holding unit 3. In addition to this, the controller is also electrically connected to the elevating drive unit 12 linked to the chuck body 1.
The controller serving as the control unit 4 sequentially controls the operation at a preset timing in accordance with a preset program in its control circuit (not shown).
More specifically, as shown in FIG. 2A, for example, the control unit 4 holds the work W1 carried into the variable pressure chamber C by a transfer member such as a transfer robot in a non-contact holding means in the atmospheric atmosphere AP. The two floating portions 2a are controlled so as to be received in a non-contact manner so as to float from the chuck surface 1a or the like.
At the time before switching from the atmospheric atmosphere AP to the reduced pressure atmosphere DP thereafter, as shown in FIG. 2B and the like, the adhesive portion 3a of the adhesive holding means 3 faces the workpiece W1 and is flush with the chuck surface 1a and the like. It is controlled so that the adhesive surface of the adhesive portion 3a abuts on the surface of the workpiece W1 and the workpiece W1 is adhered and held on the chuck surface 1a.

さらに、制御部4は、非接触保持手段2がワークW1を吸引するための吸気部2dを有する場合、ワークW1に向かう粘着部3aの接近移動と連動して吸気部2dを、吸気部2dによるワークW1の吸引力が、浮揚部2aによるワークW1の非接触保持力よりも大きくなるように作動制御することが好ましい。
制御部4による吸気部2dの制御例として、図1及び図2に示される例の場合には、大気雰囲気APで粘着部3aがワークW1に向け接近移動するのと略同時か、又は粘着部3aの接近移動後に、通気路2cの先端の通気口からチャック本体1の内部空間から空気を吸引して、ワークW1が粘着部3aに向け引き寄せられるように作動制御している。
制御部4による吸気部2dの制御例として、図5及び図6に示される例の場合には、大気雰囲気APで粘着部3aがワークW1に向け接近移動するのと略同時又は粘着部3aの接近移動後に、多孔質部材2gの吸気部2dからの空気吸引量を、相対的に多孔質部材2gからの気体噴出量によりも増やすことで、ワークW1が粘着部3aに向け引き寄せられるように作動制御している。
制御部4による吸気部2dの制御例として、図9及び図10に示される例の場合には、大気雰囲気APで粘着部3aがワークW1に向け接近移動するのと略同時又は粘着部3aの接近移動後に、チャック面1aの吸気部2dから空気吸引量を増やすか、或いは超音波による離隔圧力P1を減少させて、ワークW1が粘着部3aに向け引き寄せられるように作動制御している。
Further, when the non-contact holding means 2 has the suction part 2d for sucking the work W1, the control part 4 causes the suction part 2d to be moved by the suction part 2d in conjunction with the approaching movement of the adhesive part 3a toward the work W1. It is preferable to control the operation so that the suction force of the workpiece W1 is larger than the non-contact holding force of the workpiece W1 by the levitation unit 2a.
In the case of the example shown in FIG. 1 and FIG. 2 as an example of control of the intake part 2d by the control part 4, it is substantially the same as the adhesive part 3a moving toward the work W1 in the atmospheric atmosphere AP, or the adhesive part. After the movement of 3a, the air is sucked from the inner space of the chuck body 1 from the air vent at the tip of the air passage 2c, and the operation is controlled so that the workpiece W1 is drawn toward the adhesive portion 3a.
In the case of the example shown in FIG. 5 and FIG. 6 as a control example of the intake part 2d by the control part 4, at substantially the same time as the adhesive part 3a moves closer to the workpiece W1 in the atmospheric air AP or the adhesive part 3a After the approaching movement, the workpiece W1 is actuated so as to be drawn toward the adhesive portion 3a by increasing the amount of air sucked from the intake portion 2d of the porous member 2g by the relative amount of gas ejection from the porous member 2g. I have control.
In the case of the example shown in FIG. 9 and FIG. 10 as a control example of the intake part 2d by the control part 4, almost simultaneously with the adhesion part 3a moving toward the workpiece W1 in the atmospheric atmosphere AP or the adhesion part 3a After the approaching movement, the air suction amount is increased from the suction portion 2d of the chuck surface 1a, or the separation pressure P1 by the ultrasonic wave is decreased, and the operation is controlled so that the workpiece W1 is drawn toward the adhesive portion 3a.

このような本発明の実施形態に係るワーク用チャック装置Aによると、大気雰囲気APにおいて、搬送ロボットなどの受け渡し部材で変圧室C内などに搬入し、該受け渡し部材から部分歪みの残留したワークW1が、チャック本体1のチャック面1aに受け渡されても、制御部4で非接触保持手段2の浮揚部2aを作動制御して、チャック面1aからワークW1が浮くように非接触で保持する。それにより、前記受け渡し部材によるワークW1の部分歪みが開放されるため、ワークW1を全体的にチャック面1aに沿った平滑状態にして受け取ることが可能になる。
その後の減圧前又は減圧中において、制御部4で粘着保持手段3の粘着部3aをワークW1に向け接近移動させて当接する。それにより、チャック本体1のチャック面1aにワークW1が平滑状態のまま粘着保持されて、その後に減圧雰囲気DPになっても、ワークW1が平滑状態のまま保持されて位置ズレしない。
したがって、浮揚部2aによる非接触保持でワークW1に残留した部分歪みを除去して受け取り且つ粘着部3aによるワークW1の粘着保持に切り換えて減圧雰囲気DPで位置ズレ不能に搬送することができる。
その結果、ワークW1がLCDなどのガラス基板のように大型化しても自重による部分歪みの影響を解消して、所定位置にワークW1を保持しながら搬送できるため、位置精度の向上が図れる。
According to the workpiece chuck device A according to the embodiment of the present invention, the workpiece W1 is carried into the variable pressure chamber C or the like by the transfer member such as a transfer robot in the atmospheric atmosphere AP, and the partial distortion remains from the transfer member. However, even if it is delivered to the chuck surface 1a of the chuck body 1, the control unit 4 controls the levitation unit 2a of the non-contact holding means 2 to hold the workpiece W1 in a non-contact manner so that the workpiece W1 floats from the chuck surface 1a. . As a result, the partial distortion of the workpiece W1 by the transfer member is released, so that the workpiece W1 can be received in a smooth state along the chuck surface 1a as a whole.
Before or during the subsequent depressurization, the controller 4 causes the adhesive portion 3a of the adhesive holding means 3 to move toward the workpiece W1 and come into contact therewith. Thereby, the workpiece W1 is adhered and held on the chuck surface 1a of the chuck body 1 in a smooth state, and the workpiece W1 is held in a smooth state and does not shift even when the reduced-pressure atmosphere DP is thereafter set.
Therefore, it is possible to remove and receive the partial distortion remaining on the workpiece W1 by non-contact holding by the levitation unit 2a, and to switch to adhesion holding of the workpiece W1 by the adhesion unit 3a, and to transport the position in the reduced pressure atmosphere DP without being misaligned.
As a result, even if the workpiece W1 is enlarged like a glass substrate such as an LCD, the influence of partial distortion due to its own weight is eliminated, and the workpiece W1 can be conveyed while being held at a predetermined position, so that the positional accuracy can be improved.

特に、非接触保持手段2がワークW1を吸引する吸気部2dを有し、制御部4が、ワークW1に向かう粘着部3aの接近移動と連動して吸気部2dを、吸気部2dによるワークW1の吸引力が、浮揚部2aによるワークW1の非接触保持力よりも大きくなるように作動制御する場合には、ワークW1に向け粘着部3aが接近移動した状態で、吸気部2dの作動によりワークW1が粘着部3aに引き寄せられて当接し、強制的に粘着保持される。
したがって、浮揚部2aによるワークW1の非接触保持から粘着部3aによるワークW1の粘着保持へ確実に切り換えることができる。
その結果、ワークW1の粘着保持ミスを防止できて作動の安定性向上が図れる。
In particular, the non-contact holding means 2 has an intake portion 2d that sucks the workpiece W1, and the control portion 4 moves the intake portion 2d in conjunction with the approaching movement of the adhesive portion 3a toward the workpiece W1, and the workpiece W1 by the intake portion 2d. When the operation control is performed so that the suction force is larger than the non-contact holding force of the workpiece W1 by the levitation unit 2a, the workpiece is moved by the operation of the intake unit 2d while the adhesive unit 3a is moved toward the workpiece W1. W1 is attracted to and abuts on the adhesive portion 3a, and is forcibly held.
Therefore, it is possible to surely switch from the non-contact holding of the workpiece W1 by the floating portion 2a to the adhesive holding of the workpiece W1 by the adhesive portion 3a.
As a result, it is possible to prevent mistakes in holding the workpiece W1 and improve the stability of operation.

そして、本発明の実施形態に係るワーク貼り合わせ機Bは、例えば図3(a)(b)及び図4(a)〜(c)などに示されるように、搬送ロボットなどの受け渡し部材により、大気雰囲気APの変圧室Cに搬入された板状のワークW1(以下「第一ワークW1」という)と第二ワークW2を、対向する保持部材11(以下「第一保持部材11」という)と第二保持部材21がそれぞれ受け取って、減圧雰囲気DPの変圧室C内で第一保持部材11及び第二保持部材21の相対的な接近移動により第一ワークW1と第二ワークW2をZ方向へ貼り合わせるものである。
詳しく説明すると、本発明の実施形態に係るワーク貼り合わせ機Bは、対向する一対の第一保持面11a又は第二保持面21aのいずれか一方か若しくは両方に複数のワーク用チャック装置Aがそれぞれ所定間隔毎に設置される第一保持部材11及び第二保持部材21と、第一保持部材11又は第二保持部材21のいずれか一方か若しくは両方を相対的に接近移動させる昇降駆動部12と、第一保持面11a又は第二保持面21aのいずれか一方か若しくは両方に設置されるワーク用チャック装置Aのすべて及び昇降駆動部12をそれぞれ作動制御する制御部40と、を主要な構成要素として備えている。
さらに、第一ワークW1又は第二ワークW2のいずれか一方若しくは両方には、予め接着剤W3が塗布され、第一ワークW1と第二ワークW2を接着剤W3がZ方向(上下方向)へ挟まれるように重ね合わせることで、接着剤W3を介して第一ワークW1と第二ワークW2が貼り合わされるように構成している。
And the workpiece | work bonding machine B which concerns on embodiment of this invention is shown by FIG.3 (a) (b), FIG.4 (a)-(c) etc., for example by delivery members, such as a conveyance robot, The plate-like workpiece W1 (hereinafter referred to as “first workpiece W1”) and the second workpiece W2 carried into the variable pressure chamber C of the atmospheric atmosphere AP are opposed to the holding member 11 (hereinafter referred to as “first holding member 11”). Each of the second holding members 21 receives the first workpiece W1 and the second workpiece W2 in the Z direction by the relative movement of the first holding member 11 and the second holding member 21 in the variable pressure chamber C of the reduced pressure atmosphere DP. It is what is pasted together.
More specifically, in the workpiece bonding machine B according to the embodiment of the present invention, a plurality of workpiece chuck devices A are provided on either one or both of a pair of opposed first holding surfaces 11a and second holding surfaces 21a, respectively. A first holding member 11 and a second holding member 21 installed at predetermined intervals, and a lifting drive unit 12 for relatively moving either one or both of the first holding member 11 and the second holding member 21; , All of the workpiece chuck device A installed on one or both of the first holding surface 11a and the second holding surface 21a and the control unit 40 for controlling the operation of the elevating drive unit 12 respectively. As prepared.
Furthermore, an adhesive W3 is applied in advance to one or both of the first work W1 and the second work W2, and the adhesive W3 sandwiches the first work W1 and the second work W2 in the Z direction (vertical direction). In this way, the first workpiece W1 and the second workpiece W2 are bonded to each other via the adhesive W3.

第一保持部材11と第二保持部材21は、例えば金属やセラミックスなどの剛体で歪み(撓み)変形しない厚さの平板状に形成された定盤などからなり、開閉可能な変圧室C内において、それらの第一保持面11aと第二保持面21aがそれぞれ平滑で且つ互いにZ方向へ略平行に対向するように設置されている。
第一保持部材11の第一保持面11a又は第二保持部材21の第二保持面21aのいずれか一方か、若しくは第一保持部材11の第一保持面11a及び第二保持部材21の第二保持面21aの両方には、複数のワーク用チャック装置AがそれぞれXY方向へ所定間隔毎に設置されることで、搬送ロボットなどの受け渡し部材で変圧室C内に搬入された第一ワークW1又は第二ワークW2のいずれか一方又は第一ワークW1及び第二ワークW2の両方を保持している。
The first holding member 11 and the second holding member 21 are formed of a platen having a thickness that does not deform (bend) with a rigid body such as metal or ceramics, and the like, and in the openable variable pressure chamber C. The first holding surface 11a and the second holding surface 21a are installed so as to be smooth and face each other substantially parallel to the Z direction.
Either the first holding surface 11 a of the first holding member 11 or the second holding surface 21 a of the second holding member 21, or the first holding surface 11 a of the first holding member 11 and the second holding member 21. A plurality of workpiece chuck devices A are installed on both of the holding surfaces 21a at predetermined intervals in the X and Y directions, respectively, so that the first workpiece W1 carried into the variable pressure chamber C by a delivery member such as a transfer robot or the like Either one of the second workpieces W2 or both the first workpiece W1 and the second workpiece W2 are held.

第一保持部材11及び第二保持部材21の具体例として、図3(a)(b)及び図4(a)〜(c)に示される例の場合には、上方に配置される第一保持部材11の第一保持面11aに、複数のワーク用チャック装置Aが第一ワークW1の表面全体とそれぞれ所定間隔毎に対向するように設置されている。
第一保持部材11の第一保持面11aに設置した複数のワーク用チャック装置Aは、後述する制御部40によりそれぞれ同期するように作動制御されている。
制御部40で複数の非接触保持手段2の浮揚部2aを同時に作動させることにより、搬送ロボットなどの受け渡し部材で搬入した第一ワークW1が、チャック本体1のチャック面1a及び第一保持面11aから浮いたように非接触で受け取って着脱自在に吊持される。
制御部40で複数の粘着保持手段3の粘着部3aを同時に第一ワークW1へ向け接近移動してそれぞれ当接させることにより、第一ワークW1に粘着してXY方向へ移動不能に吊持される。
図示される例では、第一保持部材11の第一保持面11aが、複数のワーク用チャック装置Aにおいてチャック本体1のチャック面1aとそれぞれ同一平面状に配置されるように設置している。
また、その他の例として図示しないが、第一保持部材11の第一保持面11aをチャック面1aよりも凹ませて凹状に設置することにより、チャック面1aに第一ワークW1の表面が接触した時に、第一保持部材11の第一保持面11aがワークW1の表面と非接触となるように配置することも可能である。
As specific examples of the first holding member 11 and the second holding member 21, in the example shown in FIGS. 3A and 3B and FIGS. A plurality of workpiece chuck devices A are installed on the first holding surface 11a of the holding member 11 so as to face the entire surface of the first workpiece W1 at predetermined intervals.
The plurality of workpiece chuck devices A installed on the first holding surface 11a of the first holding member 11 are controlled to be synchronized by the control unit 40 described later.
By simultaneously operating the levitation units 2a of the plurality of non-contact holding means 2 by the control unit 40, the first workpiece W1 carried by the transfer member such as a transfer robot is transferred to the chuck surface 1a and the first holding surface 11a of the chuck body 1. It is received in a non-contact manner and floats detachably.
The controller 40 simultaneously moves the adhesive portions 3a of the plurality of adhesive holding means 3 toward the first workpiece W1 and makes them contact each other, thereby sticking to the first workpiece W1 and being suspended so as not to move in the XY directions. The
In the illustrated example, the first holding surface 11a of the first holding member 11 is installed so as to be arranged in the same plane as the chuck surface 1a of the chuck body 1 in the plurality of workpiece chuck devices A.
Although not shown in the drawings as another example, the surface of the first workpiece W1 is brought into contact with the chuck surface 1a by placing the first holding surface 11a of the first holding member 11 in a concave shape with respect to the chuck surface 1a. Sometimes, the first holding surface 11a of the first holding member 11 may be arranged so as not to contact the surface of the workpiece W1.

下方に配置される第二保持部材21の第二保持面21aには、図示されていないが、第一保持面11aと同様に、複数のワーク用チャック装置Aを第二ワークW2の表面全体とそれぞれ所定間隔毎に対向するように設置してもよい。
この場合も第二保持面21aに設置した複数のワーク用チャック装置Aは、後述する制御部40によりそれぞれ同期するように作動制御される。
制御部40で複数の非接触保持手段2の浮揚部2aを同時に作動させることにより、搬送ロボットなどの受け渡し部材で搬入した第二ワークW2が、チャック本体1のチャック面1a及び第二保持面21aから浮いたように非接触で受け取って着脱自在に浮上保持される。
制御部40で複数の粘着保持手段3の粘着部3aを同時に第二ワークW2へ向け接近移動してそれぞれ当接させることにより、第二ワークW2に粘着してXY方向へ移動不能に保持される。
また、その他の例として第二保持部材21の第二保持面21aには、粘着保持手段3が無いワーク用チャック装置Aを設置したり、第二ワークW2を真空吸引して保持するための吸着保持手段を設置したり、第二ワークW2を静電吸引して保持するための静電保持手段を設置したり変更することも可能である。
Although not shown in the figure, the second holding surface 21a of the second holding member 21 disposed below is configured so that the plurality of workpiece chuck devices A are connected to the entire surface of the second workpiece W2 in the same manner as the first holding surface 11a. You may install so that it may respectively oppose at predetermined intervals.
Also in this case, the plurality of workpiece chuck devices A installed on the second holding surface 21a are controlled to be synchronized with each other by the control unit 40 described later.
By causing the control unit 40 to simultaneously operate the levitation units 2a of the plurality of non-contact holding units 2, the second workpiece W2 carried by a transfer member such as a transfer robot is transferred to the chuck surface 1a and the second holding surface 21a of the chuck body 1. It is received in a non-contact manner and lifted and held detachably.
The controller 40 simultaneously moves the adhesive portions 3a of the plurality of adhesive holding means 3 toward the second workpiece W2 and makes them contact each other, thereby sticking to the second workpiece W2 and holding it immovable in the XY directions. .
Further, as another example, the second holding surface 21a of the second holding member 21 is provided with a work chuck device A without the adhesive holding means 3 or suction for holding the second work W2 by vacuum suction. It is also possible to install or change holding means, or to install or change electrostatic holding means for holding the second workpiece W2 by electrostatic suction.

昇降駆動部12は、Z方向へ往復動可能なアクチュエーターなどで構成され、後述する制御部40により第一ワークW1及び第二ワークW2の受け渡し時において、第一保持部材11又は第二保持部材21のいずれか一方を他方からZ方向へ相対的に離隔移動させるか、若しくは第一保持部材11及び第二保持部材21の両方を互いにZ方向へ相対的に離隔移動させるように作動制御されている。さらに第一ワークW1及び第二ワークW2の重ね合わせ時には、第一保持部材11又は第二保持部材21のいずれか一方を他方に向けてZ方向へ相対的に接近移動させるか、若しくは第一保持部材11及び第二保持部材21の両方を互いにZ方向へ相対的に接近移動させることで、第一ワークW1と第二ワークW2をXY方向へ位置合わしながらZ方向へ接着剤W3が挟まれるように重ね合わせるように作動制御されている。
昇降駆動部12の具体例として、図3(a)(b)及び図4(a)〜(c)に示される例の場合には、第一保持部材11のみを昇降駆動部12と連係させて、第一保持部材11側を第二保持部材21側に向けてZ方向へ相対的に接近移動させている。
また、その他の例として図示しないが、第二保持部材21のみを昇降駆動部12と連係させて、第二保持部材21側を第一保持部材11側に向けZ方向へ相対的に接近移動したり、第一保持部材11及び第二保持部材21をそれぞれ昇降駆動部12と連係させて、第一保持部材11側と第二保持部材21側を同時にZ方向へ相対的に接近移動したり変更することも可能である。
The raising / lowering drive part 12 is comprised by the actuator etc. which can reciprocate to a Z direction, and is the 1st holding member 11 or the 2nd holding member 21 at the time of delivery of the 1st workpiece | work W1 and the 2nd workpiece | work W2 by the control part 40 mentioned later. One of the two is moved away from the other in the Z direction, or both the first holding member 11 and the second holding member 21 are moved away from each other in the Z direction. . Further, when the first workpiece W1 and the second workpiece W2 are overlapped, either the first holding member 11 or the second holding member 21 is moved relatively closer to the other in the Z direction, or the first holding member 21 is held. By moving both the member 11 and the second holding member 21 relatively close to each other in the Z direction, the adhesive W3 is sandwiched in the Z direction while the first work W1 and the second work W2 are aligned in the XY direction. The operation is controlled so as to overlap with each other.
As a specific example of the elevating drive unit 12, in the example shown in FIGS. 3A and 3B and FIGS. 4A to 4C, only the first holding member 11 is linked to the elevating drive unit 12. Thus, the first holding member 11 side is relatively moved in the Z direction toward the second holding member 21 side.
Although not shown in the drawings as another example, only the second holding member 21 is linked to the lifting drive unit 12 and the second holding member 21 side is moved relatively closer to the first holding member 11 side in the Z direction. Or the first holding member 11 and the second holding member 21 are respectively linked to the lifting drive unit 12 so that the first holding member 11 side and the second holding member 21 side simultaneously move relative to each other in the Z direction. It is also possible to do.

ワーク貼り合わせ機Bの制御部40は、第一保持部材11の第一保持面11a及び第二保持部材21の第二保持面21aに設置されるワーク用チャック装置Aのすべてと、昇降駆動部12とそれぞれ電気的に接続するだけでなく、変圧室Cの内外に第一ワークW1及び第二ワークW2を出し入れするための開閉手段や、変圧室C内を大気雰囲気APから所定真空度の減圧雰囲気DPに調整する室圧調整手段(図示しない)などにも電気的に接続するコントローラーである。
制御部40となるコントローラーは、その制御回路(図示しない)に予め設定されたプログラムに従って、予め設定されたタイミングで順次それぞれ作動制御している。
詳しく説明すると、制御部40は、例えば図4(a)などに示されるように、搬送ロボットなどの受け渡し部材で大気雰囲気APの変圧室C内などに搬入された第一ワークW1又は第二ワークW2のいずれか一方若しくは両方を、すべてのワーク用チャック装置Aにおける非接触保持手段2の浮揚部2aにより、チャック本体1のチャック面1aなどから浮くように非接触で保持するように制御している。
その後に、変圧室C内が減圧雰囲気DPに切り替わる前の時点では、図4(b)などに示されるように、すべてのワーク用チャック装置Aにおける粘着保持手段3の粘着部3aを、第一ワークW1又は第二ワークW2のいずれか一方若しくは両方に向けチャック面1aなどと同一平面上となるように接近移動させ、粘着部3aの粘着面がワークW1の表面に当接して、チャック本体1のチャック面1aなどに第一ワークW1又は第二ワークW2のいずれか一方若しくは両方を粘着保持するように制御している。
さらに、制御部40は、図4(c)などに示されるように、第一ワークW1又は第二ワークW2のいずれか一方若しくは両方に向かう粘着部3aの接近移動と連動して、吸気部2dを作動させるように制御することが好ましい。すなわち、大気雰囲気APにおいて、粘着部3aが第一ワークW1又は第二ワークW2のいずれか一方若しくは両方に向け接近移動した状況において、通気路2cの先端の通気口からチャック本体1の内部空間から空気を吸引して、第一ワークW1や第二ワークW2が粘着部3aに向け引き寄せられるように制御することも可能である。
なお、その後のタイミングにおいて、第一保持部材11又は第二保持部材21のいずれか一方を他方に対してXYθ方向に調整移動することで、第一ワークW1と第二ワークW2の位置合わせ(アライメント)を行うことが好ましい。
その後に、減圧雰囲気DPに切り替わった変圧室C内では、昇降駆動部12により第一保持部材11又は第二保持部材21のいずれか一方を他方に向けてZ方向へ相対的に接近移動させるか、若しくは第一保持部材11及び第二保持部材21の両方を互いにZ方向へ相対的に接近移動させて、第一ワークW1と第二ワークW2を接着剤W3がZ方向へ挟まれるように重ね合わせるように制御している。
The control unit 40 of the workpiece bonding machine B includes all of the workpiece chuck devices A installed on the first holding surface 11a of the first holding member 11 and the second holding surface 21a of the second holding member 21, and a lifting drive unit. 12 is not only electrically connected to each other, but also opening / closing means for putting the first work W1 and the second work W2 in and out of the variable pressure chamber C, and reducing the pressure in the variable pressure chamber C from the atmospheric atmosphere AP to a predetermined degree of vacuum. The controller is also electrically connected to a chamber pressure adjusting means (not shown) for adjusting the atmosphere DP.
The controller serving as the control unit 40 sequentially controls the operation at a preset timing in accordance with a preset program in its control circuit (not shown).
More specifically, as shown in FIG. 4A, for example, the control unit 40 uses the first workpiece W1 or the second workpiece carried into the variable pressure chamber C of the atmospheric atmosphere AP by a delivery member such as a transfer robot. Either one or both of W2 is controlled to be held in a non-contact manner so as to float from the chuck surface 1a of the chuck body 1 by the floating portion 2a of the non-contact holding means 2 in all the chuck devices A for work. Yes.
Thereafter, at the time before the inside of the variable pressure chamber C is switched to the reduced pressure atmosphere DP, as shown in FIG. 4B and the like, the adhesive portions 3a of the adhesive holding means 3 in all the work chuck devices A are set to the first. The chuck body 1 is moved toward one or both of the workpiece W1 and the second workpiece W2 so as to be on the same plane as the chuck surface 1a and the like, and the adhesive surface of the adhesive portion 3a contacts the surface of the workpiece W1. Control is performed so that one or both of the first workpiece W1 and the second workpiece W2 are adhered and held on the chuck surface 1a.
Further, as shown in FIG. 4C and the like, the control unit 40 operates in conjunction with the approaching movement of the adhesive part 3a toward one or both of the first work W1 and the second work W2, and the intake part 2d. It is preferable to control to operate. That is, in the atmospheric atmosphere AP, in a situation where the adhesive portion 3a is moved closer to either one or both of the first work W1 and the second work W2, from the air hole at the tip of the air passage 2c from the internal space of the chuck body 1. It is also possible to control the first work W1 and the second work W2 to be drawn toward the adhesive portion 3a by sucking air.
At the subsequent timing, either the first holding member 11 or the second holding member 21 is adjusted and moved in the XYθ direction with respect to the other, thereby aligning the first workpiece W1 and the second workpiece W2 (alignment). ) Is preferable.
After that, in the variable pressure chamber C switched to the reduced pressure atmosphere DP, is either the first lifting member 11 or the second holding member 21 moved closer to the other in the Z direction by the lifting drive unit 12? Alternatively, both the first holding member 11 and the second holding member 21 are moved relatively close to each other in the Z direction, and the first work W1 and the second work W2 are overlapped so that the adhesive W3 is sandwiched in the Z direction. It is controlled to match.

さらに、ワーク貼り合わせ機Bに備えられる制御部40の制御回路に設定されたプログラムをワーク貼り合わせ方法として説明する。
本発明の実施形態に係るワーク貼り合わせ方法は、大気雰囲気APの変圧室C内において第一ワークW1又は第二ワークW2のいずれか一方若しくは両方を非接触で受け取る非接触保持工程と、その後の変圧室C内の減圧前又は減圧中において第一ワークW1又は第二ワークW2のいずれか一方若しくは両方を粘着保持する粘着保持工程と、減圧雰囲気DPの変圧室C内において第一ワークW1及び第二ワークW2を重ね合わせる合着工程と、を主要な工程として含んでいる。
非接触保持工程では、搬送ロボットなどの受け渡し部材により変圧室Cに搬入された第一ワークW1又は第二ワークW2のいずれか一方若しくは両方を、第一保持部材11又は第二保持部材21のいずれか一方か若しくは両方に設置されるワーク用チャック装置Aにおける非接触保持手段2の浮揚部2aにより、チャック本体1のチャック面1aなどから浮くように非接触で保持している。
粘着保持工程では、ワーク用チャック装置Aにおける粘着保持手段3の粘着部3aを、第一ワークW1又は第二ワークW2のいずれか一方若しくは両方に向けチャック面1aなどと同一平面上となるように接近移動させ、粘着部3aの粘着面がワークW1の表面又は第二ワークW2の表面か、若しくは両方の表面に当接して、チャック本体1のチャック面1aなどに第一ワークW1又は第二ワークW2のいずれか一方若しくは両方を粘着保持している。
合着工程では、昇降駆動部12により第一保持部材11又は第二保持部材21のいずれか一方を他方に向けてZ方向へ相対的に接近移動させるか、若しくは第一保持部材11及び第二保持部材21の両方を互いにZ方向へ相対的に接近移動させて、第一ワークW1と第二ワークW2を接着剤W3がZ方向へ挟まれるように重ね合わせている。
Further, a program set in the control circuit of the control unit 40 provided in the workpiece bonding machine B will be described as a workpiece bonding method.
The workpiece bonding method according to the embodiment of the present invention includes a non-contact holding step of receiving one or both of the first workpiece W1 and the second workpiece W2 in a non-contact manner in the variable pressure chamber C of the atmospheric atmosphere AP, An adhesive holding step for sticking and holding one or both of the first workpiece W1 and the second workpiece W2 before or during decompression in the variable pressure chamber C, and the first workpiece W1 and the second workpiece in the variable pressure chamber C of the decompression atmosphere DP And a joining step of superimposing the two workpieces W2 as a main step.
In the non-contact holding process, either one or both of the first work W1 and the second work W2 carried into the variable pressure chamber C by a delivery member such as a transfer robot is used as either the first holding member 11 or the second holding member 21. The floating part 2a of the non-contact holding means 2 in the work chuck device A installed in one or both of them is held in a non-contact manner so as to float from the chuck surface 1a of the chuck body 1 or the like.
In the adhesive holding step, the adhesive portion 3a of the adhesive holding means 3 in the workpiece chuck device A is on the same plane as the chuck surface 1a or the like toward one or both of the first workpiece W1 and the second workpiece W2. The adhesive surface of the adhesive part 3a is brought into contact with the surface of the workpiece W1, the surface of the second workpiece W2, or both surfaces, and the first workpiece W1 or the second workpiece is brought into contact with the chuck surface 1a of the chuck body 1 or the like. Either one or both of W2 is adhesively held.
In the attaching step, either the first holding member 11 or the second holding member 21 is moved relatively closer to the Z direction toward the other by the elevating drive unit 12, or the first holding member 11 and the second holding member 21 are moved. Both holding members 21 are moved relatively close to each other in the Z direction, and the first workpiece W1 and the second workpiece W2 are overlapped so that the adhesive W3 is sandwiched in the Z direction.

このような本発明の実施形態に係るワーク貼り合わせ機B及びワーク貼り合わせ方法によると、大気雰囲気APの変圧室C内において、搬送ロボットなどの受け渡し部材から部分歪みの残留した第一ワークW1又は第二ワークW2のいずれか一方若しくは両方が、第一保持部材11及び第二保持部材21のいずれか一方か若しくは両方に設置したワーク用チャック装置Aに受け渡されても、ワーク用チャック装置Aにおけるチャック本体1のチャック面1aから第一ワークW1又は第二ワークW2の一方若しくは両方が浮くように非接触で保持することにより、第一ワークW1や第二ワークW2の部分歪みが開放されて、第一ワークW1や第二ワークW2を全体的にチャック面1aに沿った平滑状態にして受け取ることが可能になる。
その後の変圧室C内の減圧前又は減圧中において、ワーク用チャック装置Aの粘着部3aを第一ワークW1又は第二ワークW2の一方若しくは両方に向け接近移動させて当接することにより、チャック面1aに第一ワークW1や第二ワークW2が全体的に平滑状態のまま粘着保持される。
その後の減圧雰囲気DPの変圧室C内において、制御部40で昇降駆動部12が第一保持部材11又は第二保持部材21の一方若しくは両方を相対的に接近移動させることにより、第一ワークW1と第二ワークW2が平滑状態のまま搬送されて位置ズレせずに重ね合わされる。
したがって、浮揚部2aによる非接触保持で第一ワークW1や第二ワークW2に残留した部分歪みを除去して受け取り且つ粘着部3aによる第一ワークW1や第二ワークW2の粘着保持に切り換えて減圧雰囲気DPで位置ズレ不能に搬送して第一ワークW1と第二ワークW2を貼り合わせることができる。
その結果、第一ワークW1及び第二ワークW2の貼り合せ精度を向上させることができて、G8.5サイズの液晶用ガラス基板の位置合わせ誤差を2μm台以下の精度にすることが可能になる。
さらに、搬送ロボットなどの受け渡し部材から搬入した第一ワークW1又は第二ワークW2のいずれか一方若しくは両方が、第一保持部材11の第一保持面11a又は第二保持部材21の第二保持面21aのいずれか一方か若しくは両方に対して、非接触状態を継続したまま受け渡されるため、受け渡し時において第一ワークW1や第二ワークW2と接触して離れる際に生じる剥離帯電を抑制できる。
その結果、アーク放電による貼合デバイスの破壊や回路の断線だけでなく、静電気によるその特性変化を防止できる。
According to the workpiece bonding machine B and the workpiece bonding method according to the embodiment of the present invention, in the variable pressure chamber C of the atmospheric atmosphere AP, the first workpiece W1 in which partial distortion remains from the transfer member such as a transfer robot or the like. Even if one or both of the second workpieces W2 are delivered to the workpiece chuck device A installed on either one or both of the first holding member 11 and the second holding member 21, the workpiece chuck device A By holding the first workpiece W1 or the second workpiece W2 in a non-contact manner so that one or both of the first workpiece W1 and the second workpiece W2 float from the chuck surface 1a of the chuck body 1, the partial strain of the first workpiece W1 and the second workpiece W2 is released. The first workpiece W1 and the second workpiece W2 can be received in a smooth state along the chuck surface 1a as a whole.
Before or during pressure reduction in the variable pressure chamber C after that, the chucking surface 3a of the chuck device A for work is moved closer to one or both of the first work W1 and the second work W2 and brought into contact with the chuck surface. The first workpiece W1 and the second workpiece W2 are adhered and held in 1a while being generally in a smooth state.
Then, in the variable pressure chamber C of the reduced pressure atmosphere DP, the control unit 40 causes the lifting / lowering drive unit 12 to relatively move one or both of the first holding member 11 and the second holding member 21 to thereby move the first work W1. And the second workpiece W2 are conveyed in a smooth state and overlapped without being displaced.
Accordingly, the non-contact holding by the levitation unit 2a removes and receives the partial strain remaining on the first workpiece W1 and the second workpiece W2, and switches to the adhesion holding of the first workpiece W1 and the second workpiece W2 by the adhesion unit 3a to reduce the pressure. The first workpiece W1 and the second workpiece W2 can be bonded together by being transported in the atmosphere DP without being misaligned.
As a result, the bonding accuracy of the first workpiece W1 and the second workpiece W2 can be improved, and the alignment error of the G8.5 size liquid crystal glass substrate can be set to an accuracy of 2 μm or less. .
Furthermore, either one or both of the first workpiece W1 and the second workpiece W2 carried in from the delivery member such as a transfer robot is the first holding surface 11a of the first holding member 11 or the second holding surface of the second holding member 21. Since it is delivered to either one or both of 21a while continuing the non-contact state, it is possible to suppress peeling electrification that occurs when the first workpiece W1 and the second workpiece W2 are separated from each other during delivery.
As a result, it is possible to prevent not only destruction of the bonding device and circuit breakage due to arc discharge, but also its characteristic change due to static electricity.

次に、本発明の各実施例を図面に基づいて説明する。
この実施例1は、図1(a)(b)及び図2(a)〜(c)に示すワーク用チャック装置Aにおいて、制御部4が、吸気部2dによる吸引でワークW1が粘着部3aに当接するように吸気部2dを所定時間作動した後に、浮揚部2aを作動停止させるように制御している。
すなわち、図2(c)に示されるように、大気雰囲気AP及び減圧雰囲気DPにおいて、粘着部3aがワークW1に当接した後は、浮揚部2aによるワークW1の非接触保持を解除するように制御している。
さらに、このワーク用チャック装置Aを組み込んだ図3(a)(b)及び図4(a)〜(c)に示すワーク貼り合わせ機Bは、制御部40が、吸気部2dによる吸引で第一ワークW1又は第二ワークW2のいずれか一方若しくは両方が粘着部3aに当接するように吸気部2dを所定時間作動した後に、非接触保持手段2の浮揚部2aを作動停止させるように制御している。
すなわち、図4(c)に示されるように、大気雰囲気AP及び減圧雰囲気DPにおいて、粘着部3aが第一ワークW1又は第二ワークW2のいずれか一方若しくは両方に当接した後は、浮揚部2aによる第一ワークW1や第二ワークW2の非接触保持を解除するように制御している。
Next, each embodiment of the present invention will be described with reference to the drawings.
In the first embodiment, in the workpiece chuck device A shown in FIGS. 1A and 1B and FIGS. 2A to 2C, the control unit 4 is sucked by the suction unit 2d, and the workpiece W1 is adhered to the adhesive unit 3a. After the intake portion 2d is operated for a predetermined time so as to come into contact with the floating portion, the levitation portion 2a is controlled to be stopped.
That is, as shown in FIG. 2C, in the atmospheric atmosphere AP and the reduced pressure atmosphere DP, after the adhesive portion 3a contacts the workpiece W1, the non-contact holding of the workpiece W1 by the floating portion 2a is released. I have control.
Further, in the workpiece bonding machine B shown in FIGS. 3A and 4B and FIGS. 4A to 4C in which the workpiece chuck device A is incorporated, the control unit 40 performs first suction by the suction unit 2d. Control is performed so that the floating portion 2a of the non-contact holding means 2 is deactivated after the intake portion 2d is operated for a predetermined time so that one or both of the one workpiece W1 and the second workpiece W2 are in contact with the adhesive portion 3a. ing.
That is, as shown in FIG. 4C, in the atmospheric atmosphere AP and the reduced pressure atmosphere DP, after the adhesive portion 3a comes into contact with either one or both of the first workpiece W1 and the second workpiece W2, the floating portion The non-contact holding of the first workpiece W1 and the second workpiece W2 by 2a is controlled to be released.

図1(a)(b)及び図2(a)〜(c)に示されるワーク用チャック装置Aは、非接触保持手段2の浮揚部2aとして、チャック面1aとワークW1の間に向け気体を噴出されることにより、チャック面1aとワークW1の間に負圧の空気膜2bが形成される。これら空気膜2bと大気雰囲気APとの圧力差によって、ワークW1がチャック面1a側へ引き寄せられ、それに伴って空気膜2bの間隔が狭くなって急激に圧力上昇すると、ワークW1を押し離して、空気膜2bの均衡した圧力が保たれる、所謂「ベルヌーイチャック」である。
図1(a)(b)及び図2(a)〜(c)に示される例では、チャック本体1が円筒状に形成され、その内部中央に通気路2cと粘着部3aの連動部材3bが一体形成された管体をZ方向へ往復動自在に支持するとともに、通気路2cの先端からチャック面1aへ向け周方向全周に亘って通気口を開設し、吸排気源の作動で通気路2cに供給された送気2eを該通気口からチャック面1aとワークW1の間に向けて気体をXY方向へ噴出している。
また、その他の例として図示しないが、ワーク用チャック装置Aとして、図示例以外の構造のベルヌーイチャックを用いたり、ベルヌーイチャックに代えて、多孔質部材などの異なる構造の気体噴出や超音波や静電吸着力などを用いることで、チャック面1aとワークW1の間に空気膜2bを形成して、チャック面1aからワークW1が浮いた状態を維持したり変更することも可能である。
The workpiece chuck device A shown in FIGS. 1A and 1B and FIGS. 2A to 2C is used as a floating portion 2a of the non-contact holding means 2 so that gas is directed between the chuck surface 1a and the workpiece W1. , A negative pressure air film 2b is formed between the chuck surface 1a and the workpiece W1. Due to the pressure difference between the air film 2b and the atmospheric atmosphere AP, the workpiece W1 is drawn toward the chuck surface 1a, and when the air film 2b is narrowed and the pressure rapidly increases, the workpiece W1 is pushed away. This is a so-called “Bernoulli chuck” in which the balanced pressure of the air film 2b is maintained.
In the example shown in FIGS. 1 (a) and 1 (b) and FIGS. 2 (a) to 2 (c), the chuck body 1 is formed in a cylindrical shape, and the airway 2c and the interlocking member 3b of the adhesive portion 3a are formed in the center of the inside. The integrally formed tube body is supported so as to be reciprocally movable in the Z direction, and a vent is formed over the entire circumference in the circumferential direction from the tip of the vent passage 2c to the chuck surface 1a. The air supply 2e supplied to 2c is jetted in the XY directions from the vent toward the chuck surface 1a and the workpiece W1.
Although not shown as other examples, a Bernoulli chuck having a structure other than that shown in the figure is used as the work chuck device A, or gas jets of different structures such as porous members, ultrasonic waves, static electricity are used instead of the Bernoulli chuck. By using an electroadsorption force or the like, an air film 2b can be formed between the chuck surface 1a and the workpiece W1, and the state where the workpiece W1 is lifted from the chuck surface 1a can be maintained or changed.

このような本発明の実施例1に係るワーク用チャック装置Aによると、図2(c)に示されるように、吸気部2dの作動によりワークW1を吸引して粘着部3aが当接した後は、浮揚部2aを作動停止しても、粘着部3aによる粘着保持と、吸気部2dによる吸引保持が継続されるため、減圧雰囲気DPで粘着部3aからワークW1が剥がれずに搬送可能となる。
したがって、ワークW1の粘着保持を補強して減圧雰囲気DPの搬送に伴い振動が発生してもワークW1の剥離を防止することができる。
その結果、減圧雰囲気DPで安定したワークW1の搬送を行うことができるという利点がある。
また、吸気部2dによるワークW1の吸引保持後は、浮揚部2aの作動エネルギーが不能となるため、装置全体の稼働エネルギーを省力化できてコンパクト化が図れるという利点がある。
特に、ワーク用チャック装置Aが、浮揚部2aによる非接触保持時に大量の気体噴出を必要とするベルヌーイチャックの場合に有効である。
According to the workpiece chuck device A according to the first embodiment of the present invention, as shown in FIG. 2 (c), after the workpiece W1 is sucked by the operation of the air intake portion 2d and the adhesive portion 3a comes into contact therewith. Even if the operation of the levitation unit 2a is stopped, the adhesion holding by the adhesion unit 3a and the suction holding by the intake unit 2d are continued, so that the workpiece W1 can be transported from the adhesion unit 3a without peeling off in the reduced pressure atmosphere DP. .
Therefore, it is possible to reinforce the adhesion holding of the workpiece W1 and prevent the workpiece W1 from being peeled even if vibration occurs with the conveyance of the reduced pressure atmosphere DP.
As a result, there is an advantage that the workpiece W1 can be stably conveyed in the reduced pressure atmosphere DP.
In addition, after the work W1 is sucked and held by the air intake portion 2d, the operating energy of the levitation portion 2a becomes impossible, so that there is an advantage that the operating energy of the entire apparatus can be saved and the size can be reduced.
This is particularly effective when the workpiece chuck device A is a Bernoulli chuck that requires a large amount of gas ejection during non-contact holding by the levitation unit 2a.

さらに、このような本発明の実施例1に係るワーク貼り合わせ機Bによると、図4(c)に示されるように、吸気部2dの作動により第一ワークW1又は第二ワークW2のいずれか一方若しくは両方を吸引して粘着部3aが当接した後は、浮揚部2aを作動停止しても、粘着部3aによる粘着保持と、吸気部2dによる吸引保持が継続されるため、減圧雰囲気DPで粘着部3aから第一ワークW1や第二ワークW2が剥がれずに移動可能となる。
したがって、第一ワークW1や第二ワークW2の粘着保持を補強して減圧雰囲気DPの移動に伴い振動が発生しても第一ワークW1や第二ワークW2の剥離を防止することができる。
その結果、減圧雰囲気DPで安定した第一ワークW1と第二ワークW2の貼り合わせを行うことができるという利点がある。
また、吸気部2dによる第一ワークW1や第二ワークW2の吸引保持後は、浮揚部2aの作動エネルギーが不能となるため、装置全体の稼働エネルギーを省力化できてコンパクト化が図れるという利点がある。
Furthermore, according to such a workpiece bonding machine B according to the first embodiment of the present invention, as shown in FIG. 4 (c), either the first workpiece W1 or the second workpiece W2 is activated by the operation of the intake portion 2d. After one or both of them are sucked and the adhesive part 3a comes into contact, even if the levitation part 2a is stopped, the adhesive holding by the adhesive part 3a and the suction holding by the intake part 2d are continued. Thus, the first workpiece W1 and the second workpiece W2 can be moved from the adhesive portion 3a without being peeled off.
Accordingly, the adhesion of the first workpiece W1 and the second workpiece W2 can be reinforced to prevent the first workpiece W1 and the second workpiece W2 from being peeled even if vibration occurs as the reduced pressure atmosphere DP moves.
As a result, there is an advantage that the first workpiece W1 and the second workpiece W2 can be bonded stably in the reduced pressure atmosphere DP.
In addition, after the first work W1 and the second work W2 are sucked and held by the air intake part 2d, the operating energy of the levitation part 2a becomes impossible, so that the operating energy of the entire apparatus can be saved and the size can be reduced. is there.

また、図3(a)(b)及び図4(a)〜(c)に示されたワーク貼り合わせ機Bにおいて、ワーク用チャック装置Aが設置される第一保持部材11又は第二保持部材21のいずれか一方か若しくは両方を、複数のエリアa1,a2,a3に分割し、制御部40が、ワーク用チャック装置Aをエリアa1,a2,a3毎に独立して作動制御し、第一ワークW1又は第二ワークW2のいずれか一方若しくは両方において、浮揚部2aによる非接触保持と、粘着部3aによる粘着保持とを部分的に行うように制御している。
特に図4(a)〜(c)に示される例では、第一保持部材11に複数のワーク用チャック装置Aを設置して、第一保持部材11の長尺方向となるX方向へ複数に分割(三分割)され、各エリアa1,a2,a3に配列されるワーク用チャック装置A毎に、粘着用駆動部31と連係する従動部材32をそれぞれ一体化している。制御部40は、粘着用駆動部31で各エリアa1,a2,a3毎の従動部材32を順次往復動させて、各エリアa1,a2,a3毎の粘着部3aが第一ワークW1の表面に向け接近移動することにより、各エリアa1,a2,a3毎で浮揚部2aによる非接触保持から粘着部3aによる粘着保持へ切り換え可能に制御している。
さらに加えて、各エリアa1,a2,a3毎に吸排気源から通気路2cへ供給される送気2eと吸気2fを制御することにより、各エリアa1,a2,a3毎で粘着部3aによる粘着保持から吸気部2dによる吸引保持へ切り換え可能にしている。
Moreover, in the workpiece bonding machine B shown in FIGS. 3A and 3B and FIGS. 4A to 4C, the first holding member 11 or the second holding member on which the workpiece chuck device A is installed. One or both of 21 are divided into a plurality of areas a1, a2, and a3, and the control unit 40 controls the work chuck device A independently for each of the areas a1, a2, and a3. In either one or both of the workpiece W1 and the second workpiece W2, the non-contact holding by the levitation unit 2a and the adhesion holding by the adhesion unit 3a are controlled to be partially performed.
In particular, in the example shown in FIGS. 4A to 4C, a plurality of workpiece chuck devices A are installed on the first holding member 11, and the plurality of workpiece chuck devices A are arranged in the X direction, which is the longitudinal direction of the first holding member 11. For each workpiece chuck device A that is divided (divided into three) and arranged in each of the areas a1, a2, and a3, a driven member 32 that is linked to the adhesive drive unit 31 is integrated. The controller 40 causes the adhesive drive unit 31 to sequentially reciprocate the driven member 32 for each of the areas a1, a2, and a3, so that the adhesive unit 3a for each of the areas a1, a2, and a3 is placed on the surface of the first workpiece W1. By moving toward and away from each other, each area a1, a2 and a3 is controlled so as to be able to switch from non-contact holding by the floating portion 2a to sticking holding by the adhesive portion 3a.
In addition, by controlling the air supply 2e and the intake air 2f supplied from the intake / exhaust source to the ventilation path 2c for each area a1, a2 and a3, the adhesion by the adhesive portion 3a is performed for each area a1, a2 and a3. It is possible to switch from holding to suction holding by the intake part 2d.

詳しく説明すると、図4(a)に示されるワーク受け取り後の状態では、先ず中央エリアa1に配置される各ワーク用チャック装置Aの従動部材32を移動して、浮揚部2aによる非接触保持から粘着部3aによる粘着保持へ切り換えている。
その後の図4(b)に示される歪み解放時の状態では、左右エリアa2,a3に配置される各ワーク用チャック装置Aを浮揚部2aによる非接触保持から粘着部3aによる粘着保持へ切り換え、中央エリアa1の各ワーク用チャック装置Aを粘着部3aによる粘着保持から吸気部2dによる吸引保持へ切り換えている。
その後の図4(c)に示されるワーク貼り合わせ直前のでは、左右エリアa2,a3に配置される各ワーク用チャック装置Aを粘着部3aによる粘着保持から吸気部2dによる吸引保持へ切り換えている。
また、その他の例として図示しないが、第二保持部材21に複数のワーク用チャック装置Aを設置して、それらを複数のエリアに分割し、制御部40でエリア毎に独立して作動制御することも可能である。さらに、第一保持部材11や第二保持部材21におけるエリアa1,a2,a3の分割方向を変更したり、エリアa1,a2,a3の分割数を増減したり、各エリアa1,a2,a3毎の作動順序を中央エリアa1からではなく左右エリアa2,a3のいずれか一方から他方へ変更したり、吸気部2dによる吸引保持を除くように制御することも可能である。
More specifically, in the state after receiving the workpiece shown in FIG. 4A, first, the driven member 32 of each workpiece chuck device A arranged in the central area a1 is moved to perform non-contact holding by the floating portion 2a. Switching to adhesive holding by the adhesive part 3a is performed.
Thereafter, in the state at the time of strain release shown in FIG. 4B, the work chuck devices A arranged in the left and right areas a2 and a3 are switched from non-contact holding by the floating portion 2a to adhesive holding by the adhesive portion 3a, The chuck device A for each workpiece in the central area a1 is switched from the adhesive holding by the adhesive part 3a to the suction holding by the intake part 2d.
Thereafter, immediately before the workpiece bonding shown in FIG. 4 (c), the workpiece chuck devices A arranged in the left and right areas a2 and a3 are switched from the adhesive holding by the adhesive portion 3a to the suction holding by the intake portion 2d. .
Although not shown as another example, a plurality of workpiece chuck devices A are installed on the second holding member 21 and divided into a plurality of areas, and the control unit 40 controls the operation independently for each area. It is also possible. Furthermore, the division direction of the areas a1, a2, and a3 in the first holding member 11 and the second holding member 21 is changed, the number of divisions of the areas a1, a2, and a3 is increased or decreased. It is also possible to change the operation sequence from the central area a1 to the other one from the left and right areas a2 and a3, or to control the suction holding by the air intake portion 2d.

このような図3(a)(b)及び図4(a)〜(c)に示されるワーク貼り合わせ機Bによると、複数のエリアa1,a2,a3毎に設置される各ワーク用チャック装置Aがそれぞれ独立して作動制御され、第一ワークW1又は第二ワークW2のいずれか一方若しくは両方に対して浮揚部2aによる非接触保持と、粘着部3aによる粘着保持が部分的に行われるため、第一ワークW1や第二ワークW2に残留した部分歪みをスムーズに開放して、第一ワークW1や第二ワークW2の全体がスムーズに平滑状態となる。
したがって、第一ワークW1や第二ワークW2に残留した部分歪みを確実に除去して受け取ることができる。
その結果、第一ワークW1と第二ワークW2の位置ズレが更に減少して第一ワークW1及び第二ワークW2が大型化しても貼り合せ精度を更に向上させることができるという利点がある。
According to the workpiece bonding machine B shown in FIGS. 3A and 3B and FIGS. 4A to 4C, each workpiece chuck device installed in each of the plurality of areas a1, a2, and a3. A is operated and controlled independently, and non-contact holding by the floating part 2a and sticking holding by the adhesive part 3a are partially performed on one or both of the first work W1 and the second work W2. The partial distortion remaining in the first work W1 and the second work W2 is released smoothly, and the entire first work W1 and the second work W2 are smoothly smoothed.
Therefore, the partial strain remaining on the first workpiece W1 and the second workpiece W2 can be reliably removed and received.
As a result, there is an advantage that the bonding accuracy can be further improved even if the positional deviation between the first workpiece W1 and the second workpiece W2 is further reduced and the first workpiece W1 and the second workpiece W2 are enlarged.

この実施例2は、図5(a)(b)及び図6(a)〜(c)に示すように、ワーク用チャック装置Aが、非接触保持手段2の浮揚部2aとして、通気路2cから供給される送気2eを多孔質部材2gからワークW1に向け噴出することにより、離隔圧力P1を発生させている。これと同時に、多孔質部材2gに設けられた多数の吸気部2dから吸引した吸気2fを吸排気源へ排気することにより、接近圧力P2を発生させる構成が、図1及び図2に示した実施例1とは異なり、それ以外の構成は図1及び図2に示した実施例1と同じものである。
チャック本体1には、チャック面1aとして多孔質部材2gが備えられ、多孔質部材2gへ供給する送気2eの流量を制御部4で通電制御して、ワークW1に向かう離隔圧力P1と、吸気2fによる接近圧力P2をバランスさせることにより、チャック面1aとワークW1の間にZ方向へ空気膜2bが形成されて、チャック面1aからワークW1が浮いた状態を維持するように構成されている。
In the second embodiment, as shown in FIGS. 5A and 5B and FIGS. 6A to 6C, the work chuck device A is used as a floating portion 2 a of the non-contact holding means 2, and the ventilation path 2 c. The separation pressure P1 is generated by ejecting the air supply 2e supplied from the air toward the workpiece W1 from the porous member 2g. At the same time, the configuration in which the approach pressure P2 is generated by exhausting the intake air 2f sucked from the multiple intake portions 2d provided in the porous member 2g to the intake / exhaust source is shown in FIG. 1 and FIG. Unlike Example 1, the other configuration is the same as that of Example 1 shown in FIGS.
The chuck body 1 is provided with a porous member 2g as the chuck surface 1a, and the controller 4 controls energization of the flow rate of the air supply 2e supplied to the porous member 2g, and the separation pressure P1 toward the workpiece W1 and the intake air By balancing the approaching pressure P2 due to 2f, an air film 2b is formed in the Z direction between the chuck surface 1a and the workpiece W1, and the workpiece W1 is kept floating from the chuck surface 1a. .

多孔質部材2gは、例えばカーボン、セラミック、合成樹脂などの多数の微小な貫通孔(図示しない)を有する素材で形成され、チャック本体1のチャック面1aとなるようにワークW1と対向して設けられている。
これら多数の微小な貫通孔は、送気2e用の通路2c1に連通して、吸排気源の作動により送気2e用の通路2c1から供給された送気2eをワークW1に向け噴出している。
さらに、多孔質部材2gには、吸気部2dとして微小な吸気孔が多数それぞれ多孔質部材2gの全面全体に開穿されている。吸気部2dとなる微小な吸気孔は、吸気2f用の通路2c2に連通して、吸排気源の作動によりチャック本体1の内部空間やチャック面1aとワークW1の対向空間から吸引した吸気2fを吸排気源へ排気することで、ワークW1をチャック面1aに向けて引き寄せている。
つまり、通気路2cは、吸排気源から多孔質部材2gの微小な貫通孔へ向かう送気2e用の通路2c1と、多孔質部材2gの微小な吸気孔から吸排気源へ向かう吸気2f用の通路2c2を個別に有している。
The porous member 2g is formed of a material having a large number of minute through holes (not shown) such as carbon, ceramic, and synthetic resin, for example, and is provided facing the workpiece W1 so as to be the chuck surface 1a of the chuck body 1. It has been.
These many through holes communicate with the passage 2c1 for the air supply 2e, and the air supply 2e supplied from the passage 2c1 for the air supply 2e is ejected toward the work W1 by the operation of the intake / exhaust source. .
Further, the porous member 2g has a large number of minute air intake holes as the air intake portion 2d, which are opened all over the entire surface of the porous member 2g. The minute intake hole that becomes the intake portion 2d communicates with the passage 2c2 for the intake 2f, and the intake air 2f sucked from the internal space of the chuck body 1 or the space opposite to the chuck surface 1a and the workpiece W1 by the operation of the intake and exhaust sources. By exhausting to the intake / exhaust source, the workpiece W1 is drawn toward the chuck surface 1a.
That is, the ventilation path 2c is for the air supply 2e for the air supply 2e from the intake / exhaust source to the minute through hole of the porous member 2g, and for the intake 2f from the minute intake hole of the porous member 2g to the intake / exhaust source. The passage 2c2 is individually provided.

図5(a)(b)及び図6(a)〜(c)に示される例では、チャック本体1が円筒状に形成され、その内部中央に粘着部3aの連動部材3bをZ方向へ往復動自在に支持し、その外側に環状の多孔質部材2gを設置している。
また、その他の例として図示しないが、粘着部3aと多孔質部材2gを図示例以外の構造に変更することも可能である。
In the example shown in FIGS. 5A and 5B and FIGS. 6A to 6C, the chuck body 1 is formed in a cylindrical shape, and the interlocking member 3b of the adhesive portion 3a is reciprocated in the Z direction at the center of the inside. It is supported so as to be movable, and an annular porous member 2g is installed on the outside thereof.
Further, although not shown as another example, the adhesive portion 3a and the porous member 2g can be changed to a structure other than the illustrated example.

このような本発明の実施例2に係るワーク用チャック装置Aによると、前述した本発明の実施例1に係るワーク用チャック装置Aと同様な利点が得られる。
さらに、本発明の実施例2に係るワーク用チャック装置Aによると、送気2eを多孔質部材2gの多数の微小な貫通孔からワークW1に向け噴出するため、実施例1のベルヌーイチャックに比べて、送気2eの瞬間的な吹き出し流量が少なくとも、ワークW1との間に空気膜2bが形成され、チャック面1aからワークW1を浮かせることができる。
したがって、ワークW1を効率良く非接触で保持して粘着保持に切り換えることができる。
その結果、実施例1のベルヌーイチャックに用いたものに比べ、送気2eを供給する吸排気源をコンパクト化できて、ランニングコストの低減化が図れる。
According to the workpiece chuck device A according to the second embodiment of the present invention, the same advantages as those of the workpiece chuck device A according to the first embodiment of the present invention described above can be obtained.
Furthermore, according to the workpiece chuck device A according to the second embodiment of the present invention, the air supply 2e is ejected from a large number of minute through holes of the porous member 2g toward the workpiece W1, and therefore compared with the Bernoulli chuck of the first embodiment. Thus, the air film 2b is formed at least with the work W1 at the moment when the air supply flow rate of the air supply 2e is at least, and the work W1 can be floated from the chuck surface 1a.
Therefore, the workpiece W1 can be efficiently held in a non-contact manner and switched to the adhesion holding.
As a result, compared to the one used for the Bernoulli chuck of Example 1, the intake / exhaust source for supplying the air supply 2e can be made compact, and the running cost can be reduced.

そして、図7(a)(b)及び図8(a)〜(c)に示すワーク貼り合わせ機Bでは、図5(a)(b)及び図6(a)〜(c)に示されたワーク用チャック装置Aが組み込まれている。
本発明の実施例2に係るワーク貼り合わせ機Bも、前述した本発明の実施例1に係るワーク貼り合わせ機Bと同様に、制御部40が、吸気部2dによる吸引で第一ワークW1又は第二ワークW2のいずれか一方若しくは両方が粘着部3aに当接するように吸気部2dを所定時間作動した後に、非接触保持手段2の浮揚部2aを作動停止させるように制御している。
すなわち、図8(c)に示されるように、大気雰囲気AP及び減圧雰囲気DPにおいて、粘着部3aが第一ワークW1又は第二ワークW2のいずれか一方若しくは両方に当接した後は、浮揚部2aによる第一ワークW1や第二ワークW2の非接触保持を解除するように制御している。
したがって、このような本発明の実施例2に係るワーク貼り合わせ機Bによると、第一ワークW1や第二ワークW2の粘着保持を補強して減圧雰囲気DPの移動に伴い振動が発生しても第一ワークW1や第二ワークW2の剥離を防止することができる。
その結果、減圧雰囲気DPで安定した第一ワークW1と第二ワークW2の貼り合わせを行うことができるという利点がある。
また、吸気部2dによる第一ワークW1や第二ワークW2の吸引保持後は、浮揚部2aの作動エネルギーが不能となるため、装置全体の稼働エネルギーを省力化できてコンパクト化が図れるという利点がある。
And in the workpiece | work bonding machine B shown to Fig.7 (a) (b) and Fig.8 (a)-(c), it is shown by Fig.5 (a) (b) and Fig.6 (a)-(c). A workpiece chuck device A is incorporated.
Similarly to the workpiece bonding machine B according to the first embodiment of the present invention described above, the control unit 40 performs the suction of the first workpiece W1 or the workpiece bonding machine B according to the second embodiment of the present invention by suction by the air intake unit 2d. Control is performed so that the floating portion 2a of the non-contact holding means 2 is deactivated after the intake portion 2d is operated for a predetermined time so that either one or both of the second workpieces W2 abut against the adhesive portion 3a.
That is, as shown in FIG. 8C, in the atmospheric atmosphere AP and the reduced pressure atmosphere DP, after the adhesive portion 3a comes into contact with one or both of the first workpiece W1 and the second workpiece W2, the floating portion The non-contact holding of the first workpiece W1 and the second workpiece W2 by 2a is controlled to be released.
Therefore, according to the workpiece laminating machine B according to the second embodiment of the present invention, even if vibration is generated with the movement of the reduced pressure atmosphere DP by reinforcing the adhesion holding of the first workpiece W1 and the second workpiece W2. Separation of the first workpiece W1 and the second workpiece W2 can be prevented.
As a result, there is an advantage that the first workpiece W1 and the second workpiece W2 can be bonded stably in the reduced pressure atmosphere DP.
In addition, after the first work W1 and the second work W2 are sucked and held by the air intake part 2d, the operating energy of the levitation part 2a becomes impossible, so that the operating energy of the entire apparatus can be saved and the size can be reduced. is there.

さらに、図7(a)(b)及び図8(a)〜(c)に示されたワーク貼り合わせ機Bにおいても、前述した図3(a)(b)及び図4(a)〜(c)に示されたワーク貼り合わせ機Bと同様に、ワーク用チャック装置Aが設置される第一保持部材11又は第二保持部材21のいずれか一方か若しくは両方を、複数のエリアa1,a2,a3に分割し、制御部40が、ワーク用チャック装置Aをエリアa1,a2,a3毎に独立して作動制御し、第一ワークW1又は第二ワークW2のいずれか一方若しくは両方において、浮揚部2aによる非接触保持と、粘着部3aによる粘着保持とを部分的に行うように制御している。
特に図8(a)〜(c)に示される例では、第一保持部材11に複数のワーク用チャック装置Aを設置して、第一保持部材11の長尺方向となるX方向へ複数に分割(三分割)され、各エリアa1,a2,a3に配列されるワーク用チャック装置A毎に、粘着用駆動部31と連係する従動部材32をそれぞれ一体化している。制御部40は、粘着用駆動部31で各エリアa1,a2,a3毎の従動部材32を順次往復動させて、各エリアa1,a2,a3毎の粘着部3aが第一ワークW1の表面に向け接近移動することにより、各エリアa1,a2,a3毎で浮揚部2aによる非接触保持から粘着部3aによる粘着保持へ切り換え可能に制御している。
さらに加えて、各エリアa1,a2,a3毎に吸排気源から通気路2cへ供給される送気2eと吸気2fを制御することにより、各エリアa1,a2,a3毎で粘着部3aによる粘着保持から吸気部2dによる吸引保持へ切り換え可能にしている。
また、その他の例として図示しないが、第二保持部材21に複数のワーク用チャック装置Aを設置して、それらを複数のエリアに分割し、制御部40でエリア毎に独立して作動制御することも可能である。さらに、第一保持部材11や第二保持部材21におけるエリアa1,a2,a3の分割方向を変更したり、エリアa1,a2,a3の分割数を増減したり、各エリアa1,a2,a3毎の作動順序を中央エリアa1からではなく左右エリアa2,a3のいずれか一方から他方へ変更したり、吸気部2dによる吸引保持を除くように制御することも可能である。
したがって、このような図7(a)(b)及び図8(a)〜(c)に示されたワーク貼り合わせ機Bによると、第一ワークW1や第二ワークW2に残留した部分歪みを確実に除去して受け取ることができる。
その結果、第一ワークW1と第二ワークW2の位置ズレが更に減少して第一ワークW1及び第二ワークW2が大型化しても貼り合せ精度を更に向上させることができるという利点がある。
Furthermore, also in the workpiece | work bonding machine B shown by FIG. 7 (a) (b) and FIG. 8 (a)-(c), above-mentioned FIG. 3 (a) (b) and FIG. Similarly to the workpiece bonding machine B shown in c), either one or both of the first holding member 11 and the second holding member 21 where the workpiece chuck device A is installed are arranged in a plurality of areas a1, a2. , A3, and the control unit 40 controls the work chuck device A independently for each of the areas a1, a2, and a3, and floats in one or both of the first work W1 and the second work W2. The non-contact holding by the part 2a and the sticking holding by the adhesive part 3a are controlled to be performed partially.
Particularly, in the example shown in FIGS. 8A to 8C, a plurality of workpiece chuck devices A are installed on the first holding member 11, and a plurality of workpieces are arranged in the X direction, which is the longitudinal direction of the first holding member 11. For each workpiece chuck device A that is divided (divided into three) and arranged in each of the areas a1, a2, and a3, a driven member 32 that is linked to the adhesive drive unit 31 is integrated. The controller 40 causes the adhesive drive unit 31 to sequentially reciprocate the driven member 32 for each of the areas a1, a2, and a3, so that the adhesive unit 3a for each of the areas a1, a2, and a3 is placed on the surface of the first workpiece W1. By moving toward and away from each other, each area a1, a2 and a3 is controlled so as to be able to switch from non-contact holding by the floating portion 2a to sticking holding by the adhesive portion 3a.
In addition, by controlling the air supply 2e and the intake air 2f supplied from the intake / exhaust source to the ventilation path 2c for each area a1, a2 and a3, the adhesion by the adhesive portion 3a is performed for each area a1, a2 and a3. It is possible to switch from holding to suction holding by the intake part 2d.
Although not shown as another example, a plurality of workpiece chuck devices A are installed on the second holding member 21 and divided into a plurality of areas, and the control unit 40 controls the operation independently for each area. It is also possible. Furthermore, the division direction of the areas a1, a2, and a3 in the first holding member 11 and the second holding member 21 is changed, the number of divisions of the areas a1, a2, and a3 is increased or decreased. It is also possible to change the operation sequence from the central area a1 to the other one from the left and right areas a2 and a3, or to control the suction holding by the air intake portion 2d.
Therefore, according to the workpiece bonding machine B shown in FIGS. 7A and 7B and FIGS. 8A to 8C, the partial strain remaining on the first workpiece W1 and the second workpiece W2 is reduced. Can be removed and received reliably.
As a result, there is an advantage that the bonding accuracy can be further improved even if the positional deviation between the first workpiece W1 and the second workpiece W2 is further reduced and the first workpiece W1 and the second workpiece W2 are enlarged.

この実施例3は、図9(a)(b)及び図10(a)〜(c)に示すように、ワーク用チャック装置Aが、非接触保持手段2の浮揚部2aとして、超音波による放射圧で離隔圧力P1を発生させている。これと同時に、チャック面1aに設けられた吸気部2dから吸引した吸気2fを吸排気源へ排気することにより、接近圧力P2を発生させる構成が、図1及び図2に示した実施例1や図5及び図6に示した実施例2とは異なり、それ以外の構成は図1及び図2に示した実施例1や図5及び図6に示した実施例2と同じものである。
チャック本体1には、超音波による放射圧の駆動源として超音波振動子2hが備えられ、超音波振動子2hを制御部4で通電制御して、ワークW1に向かう離隔圧力P1と、吸気2fによる接近圧力P2をバランスさせることにより、チャック面1aとワークW1の間にZ方向へ空気膜2bが形成されて、チャック面1aからワークW1が浮いた状態を維持するように構成されている。
In this third embodiment, as shown in FIGS. 9A and 9B and FIGS. 10A to 10C, the work chuck device A uses ultrasonic waves as the floating portion 2a of the non-contact holding means 2. The separation pressure P1 is generated by the radiation pressure. At the same time, the configuration in which the approach pressure P2 is generated by exhausting the intake air 2f sucked from the intake portion 2d provided on the chuck surface 1a to the intake / exhaust source is the same as in the first embodiment shown in FIGS. Unlike the second embodiment shown in FIGS. 5 and 6, the other configurations are the same as those of the first embodiment shown in FIGS. 1 and 2 and the second embodiment shown in FIGS. 5 and 6.
The chuck body 1 is provided with an ultrasonic vibrator 2h as a driving source of the radiation pressure by the ultrasonic wave, and the ultrasonic vibrator 2h is energized and controlled by the control unit 4, and the separation pressure P1 toward the workpiece W1 and the intake air 2f are controlled. By balancing the approaching pressure P2 due to the above, an air film 2b is formed in the Z direction between the chuck surface 1a and the workpiece W1, and the workpiece W1 is kept floating from the chuck surface 1a.

図9(a)(b)及び図10(a)〜(c)に示される例では、チャック本体1が矩形板状に形成され、その中央に超音波振動子2hを設置するとともに、チャック面1aとして超音波振動子2hに連結した矩形板状の共鳴体2iが設置されている。
共鳴体2iには、超音波振動子2hを中心として反対側に、粘着部3aの連動部材3bが一対それぞれZ方向へ往復動自在に支持されている。
共鳴体2iにワークW1と対向する表面には、吸気部2dとして凹溝がXY方向へ交差するように形成し、これら凹溝を吸排気源へ向かう吸気2f用の通路2c2に連通させている。
また、その他の例として図示しないが、超音波振動子2hと共鳴体2iを図示例以外の構造に変更することも可能である。
In the example shown in FIGS. 9A and 9B and FIGS. 10A to 10C, the chuck body 1 is formed in a rectangular plate shape, and an ultrasonic vibrator 2h is installed at the center thereof, and the chuck surface A rectangular plate-shaped resonator 2i connected to the ultrasonic transducer 2h is provided as 1a.
A pair of interlocking members 3b of the adhesive portion 3a are supported on the resonance body 2i so as to be reciprocally movable in the Z direction on the opposite side with respect to the ultrasonic transducer 2h.
On the surface of the resonance body 2i facing the workpiece W1, concave grooves are formed as an intake portion 2d so as to intersect in the XY direction, and these concave grooves are communicated with a passage 2c2 for intake air 2f toward the intake / exhaust source. .
Although not shown as another example, the ultrasonic transducer 2h and the resonator 2i can be changed to a structure other than the example shown in the drawing.

このような本発明の実施例3に係るワーク用チャック装置Aによると、前述した本発明の実施例1に係るワーク用チャック装置Aや実施例2に係るワーク用チャック装置Aと同様な利点が得られる。
さらに、本発明の実施例3に係るワーク用チャック装置Aによると、超音波による放射圧で離隔圧力P1を発生させるため、実施例1のベルヌーイチャックに比べて、離隔圧力P1の送気2eを必要としないため、吸排気源をコンパクト化できて、ランニングコストの低減化が図れる。
また、図示しないが、図9(a)(b)及び図10(a)〜(c)に示されたワーク用チャック装置Aを組み込んだワーク貼り合わせ機を作製することも可能である。
このようなワーク貼り合わせ機によると、前述した本発明の実施例1に係るワーク貼り合わせ機Bや実施例2に係るワーク貼り合わせ機Bと同様な利点が得られる。
The workpiece chuck device A according to the third embodiment of the present invention has the same advantages as the workpiece chuck device A according to the first embodiment of the present invention and the workpiece chuck device A according to the second embodiment. can get.
Furthermore, according to the workpiece chuck device A according to the third embodiment of the present invention, the separation pressure P1 is generated by the radiation pressure generated by the ultrasonic wave, and therefore, the air supply 2e having the separation pressure P1 is larger than the Bernoulli chuck of the first embodiment. Since it is not necessary, the intake / exhaust source can be made compact, and the running cost can be reduced.
Although not shown, it is also possible to manufacture a workpiece laminating machine in which the workpiece chuck device A shown in FIGS. 9A and 9B and FIGS. 10A to 10C is incorporated.
According to such a workpiece bonding machine, advantages similar to those of the workpiece bonding machine B according to the first embodiment of the present invention and the workpiece bonding machine B according to the second embodiment described above can be obtained.

なお、図示例では、ワーク用チャック装置Aが粘着部3aによってワークW1を着脱自在に吊持したが、これに限定されず、ワーク用チャック装置AがワークW1を着脱自在に浮上保持してもよい。
さらに、図示例では、ワーク貼り合わせ機Bが第一保持部材11に設置されたワーク用チャック装置Aの粘着部3aによって第一ワークW1を着脱自在に吊持したが、これに限定されず、第二保持部材21に設置されたワーク用チャック装置Aによって第二ワークW2を着脱自在に浮上保持してもよい。
In the illustrated example, the workpiece chuck device A detachably suspends the workpiece W1 by the adhesive portion 3a. However, the present invention is not limited to this, and the workpiece chuck device A may detachably hold the workpiece W1. Good.
Further, in the illustrated example, the work laminating machine B detachably suspends the first work W1 by the adhesive portion 3a of the work chuck device A installed on the first holding member 11, but is not limited thereto, The second workpiece W <b> 2 may be detachably held by the workpiece chuck device A installed on the second holding member 21.

A ワーク用チャック装置 AP 大気雰囲気
DP 減圧雰囲気 W1 ワーク
1 チャック本体 1a チャック面
2 非接触保持手段 2a 浮揚部
2d 吸気部 3 粘着保持手段
3a 粘着部 4 制御部
B ワーク貼り合わせ機 C 変圧室
W1 第一ワーク W2 第二ワーク
11 第一保持部材 11a 第一保持面
12 昇降駆動部 21 第二保持部材
21a 第二保持面 40 制御部
a1,a2,a3 エリア
A Work chuck device AP Air atmosphere DP Depressurized atmosphere W1 Work 1 Chuck body 1a Chuck surface 2 Non-contact holding means 2a Floating part 2d Intake part 3 Adhesive holding means 3a Adhesive part 4 Control part B Work bonding machine C Transformer chamber W1 First One workpiece W2 Second workpiece 11 First holding member 11a First holding surface 12 Lifting drive unit 21 Second holding member 21a Second holding surface 40 Control unit a1, a2, a3 area

Claims (6)

大気雰囲気において受け取り着脱自在に接触保持された板状のワークを減圧雰囲気で搬送するワーク用チャック装置であって、
前記ワークと対向するチャック面から前記ワークが浮くように非接触で保持する浮揚部を有する非接触保持手段と、
前記チャック面に対して前記ワークを着脱自在に粘着保持する粘着部を有する粘着保持手段と、
前記非接触保持手段の前記浮揚部及び前記粘着保持手段の前記粘着部をそれぞれ作動制御する制御部と、を備え、
前記浮揚部は、前記ワークとの間にそれぞれ逆向きの離隔圧力及び接近圧力を発生させる手段が具備され、
前記制御部は、大気雰囲気において前記浮揚部の前記離隔圧力及び前記接近圧力をバランスさせて、前記ワーク前記チャック面から浮くように非接触で保持され、減圧前又は減圧中に前記離隔圧力を減少させて、前記ワークが前記粘着保持手段の前記粘着部当接して前記チャック面粘着保持されるように制御することを特徴とするワーク用チャック装置。
A workpiece chuck device for feeding transportable under reduced pressure atmosphere to receive removably contact retained plate-like workpiece in an air atmosphere,
Non-contact holding means having a levitation unit that holds the workpiece in a non-contact manner so that the workpiece floats from a chuck surface facing the workpiece;
And adhesive holding means having an adhesive portion for holding removably adhere the said workpiece against the chuck surface,
A control unit for controlling the operation of each of the floating unit of the non-contact holding unit and the adhesive unit of the adhesive holding unit,
The levitation unit is provided with means for generating a separation pressure and an approaching pressure in opposite directions with the workpiece,
Wherein the control unit by balancing the separation pressure and the approaching pressure of the flotation section in an air atmosphere, the workpiece is held in a non-contact to float from the chuck surface, reducing pre- or the separation pressure in the vacuum The workpiece chuck device is controlled such that the workpiece is abutted against the adhesion portion of the adhesion holding means and is adhered and held on the chuck surface.
前記粘着保持手段の前記粘着部が前記ワークに向け前記非接触保持手段と相対的に往復動自在に設けられ、
前記非接触保持手段が前記ワークを吸引する吸気部を有し、
前記制御部、前記ワークに向かう前記粘着部の接近移動と連動して前記吸気部を、前記吸気部による前記ワークの吸引力が、前記浮揚部による前記ワークの非接触保持力よりも大きくなるように作動制御することを特徴とする請求項1記載のワーク用チャック装置。
The adhesive portion of the adhesive holding means is provided to be reciprocally movable relative to the non-contact holding means toward the workpiece,
The non-contact holding means has an intake portion for sucking the workpiece;
The controller is configured such that the suction force of the workpiece by the suction portion is greater than the non-contact holding force of the workpiece by the levitation portion in conjunction with the approaching movement of the adhesive portion toward the workpiece. 2. The workpiece chuck device according to claim 1, wherein the operation is controlled as described above.
前記制御部、前記吸気部による吸引で前記ワークが前記粘着部に当接するように前記吸気部を所定時間作動した後に、前記非接触保持手段の前記浮揚部作動停止するように制御することを特徴とする請求項2記載のワーク用チャック装置。 Wherein, after the workpiece by suction by the suction unit has the air intake portion so as to abut on the adhesive portion to operate a predetermined time, the floating portions of the non-contact holding means that control to stop operation The workpiece chuck device according to claim 2, wherein: 大気雰囲気の変圧室に搬入された板状の第一ワークと第二ワークを、対向する第一保持部材と第二保持部材がそれぞれ受け取って、減圧雰囲気の前記変圧室内で前記第一保持部材及び前記第二保持部材の相対的な接近移動により前記第一ワークと前記第二ワークを貼り合わせるワーク貼り合わせ機であって、
対向する一対の第一保持面又は第二保持面のいずれか一方か若しくは両方に対し、請求項1〜3のいずれか一つに記載のワークチャック装置が複数それぞれ所定間隔毎に設置されて、前記第一ワーク又は前記第二ワークのいずれか一方若しくは両方を保持する前記第一保持部材及び前記第二保持部材と、
前記第一保持部材又は前記第二保持部材のいずれか一方か若しくは両方を相対的に接近移動させて前記第一ワーク及び前記第二ワークを重ね合わせる昇降駆動部と、
前記第一保持面又は前記第二保持面のいずれか一方か若しくは両方に設置される前記ワークチャック装置のすべて及び前記昇降駆動部をそれぞれ作動制御する制御部と、を備え、
前記制御部は、前記大気雰囲気の前記変圧室内において、前記ワークチャック装置の前記浮揚部により前記第一ワーク又は前記第二ワークのいずれか一方若しくは両方、前記ワークチャック装置の前記チャック面から浮くように非接触で保持され、前記変圧室内の減圧前又は減圧中において、前記ワークチャック装置の前記粘着部を前記第一ワーク又は前記第二ワークのいずれか一方若しくは両方に向け接近移動させ当接して、前記チャック面に前記第一ワーク又は前記第二ワークのいずれか一方若しくは両方粘着保持され、前記減圧雰囲気の前記変圧室内において前記昇降駆動部により前記第一保持部材又は前記第二保持部材のいずれか一方か若しくは両方を相対的に接近移動させて前記第一ワーク及び前記第二ワーク重ね合わされるように制御することを特徴とするワーク貼り合わせ機。
The first holding member and the second holding member facing each other receive the plate-like first workpiece and the second workpiece carried into the variable pressure chamber in the atmospheric atmosphere, and the first holding member and the second holding member in the reduced pressure atmosphere in the variable pressure chamber A work laminating machine for laminating the first work and the second work by relative movement of the second holding member;
To either one or both of the first holding surface or the second holding surfaces of a pair of opposed, workpiece chucking device according to any one of claims 1 to 3 is disposed more respective predetermined intervals The first holding member and the second holding member that hold either one or both of the first work or the second work,
An elevating drive unit that relatively moves either one or both of the first holding member and the second holding member to overlap the first work and the second work,
And a control unit for operation control, respectively all and the elevation drive unit of the work chuck apparatus installed either one or or both of the first holding surface or the second holding surface,
Wherein, in the transformer chamber of the air atmosphere, one or both either said first workpiece or said second work by the flotation section of the workpiece chuck device, wherein the chuck surface of the workpiece chucking device held float as contactlessly from prior Symbol transformer room vacuum before or during decompression, towards the said adhesive portion of the workpiece chuck device to either or both of the first workpiece or the second workpiece approaching abuts the moved, either or both of the first workpiece or the second workpiece to the chuck surface is held adhesive, before Symbol the first holding member by the lifting drive unit in the transformer chamber the reduced pressure atmosphere or wherein one or both either of the second holding member by relatively approaching movement, the first workpiece and the second workpiece is superimposed Control to work laminator characterized Rukoto as I.
前記ワークチャック装置が設置される前記第一保持部材又は前記第二保持部材のいずれか一方か若しくは両方を、複数のエリアに分割し、前記制御部が、前記ワークチャック装置を前記エリア毎に独立して作動制御し、前記第一ワーク又は前記第二ワークのいずれか一方若しくは両方において、前記浮揚部による非接触保持と前記粘着部による粘着保持とを部分的に行うことを特徴とする請求項4記載のワーク貼り合わせ機。 One or both any one of the first holding member or said second retaining member the workpiece chucking device is installed, is divided into a plurality of areas, said control unit, said each area the workpiece chuck device And controlling the operation independently, and in either one or both of the first workpiece and the second workpiece, non-contact holding by the floating portion and adhesion holding by the adhesive portion are partially performed. The workpiece bonding machine according to claim 4. 大気雰囲気の変圧室に搬入された板状の第一ワーク及び第二ワークを、対向する第一保持部材と第二保持部材がそれぞれ受け取って、減圧雰囲気の前記変圧室内で前記第一ワークと前記第二ワークを貼り合わせるワーク貼り合わせ方法であって、
前記大気雰囲気の前記変圧室内において前記第一ワーク又は前記第二ワークのいずれか一方若しくは両方を、前記第一保持部材又は前記第二保持部材のいずれか一方か若しくは両方に設置される請求項1〜3のいずれか一つに記載のワークチャック装置の前記チャック面から浮くように非接触で保持する非接触保持工程と、
その後の前記変圧室内の減圧前又は減圧中において、前記ワークチャック装置の前記チャック面に前記第一ワーク又は前記第二ワークのいずれか一方若しくは両方を粘着保持する粘着保持工程と、
前記減圧雰囲気の前記変圧室内において前記第一保持部材又は前記第二保持部材のいずれか一方か若しくは両方の相対的に接近移動により前記第一ワーク及び前記第二ワークを重ね合わせる合着工程と、を含むことを特徴とするワーク貼り合わせ方法。
The first holding member and the second holding member facing each other receive the plate-like first workpiece and the second workpiece carried into the variable pressure chamber in the atmospheric atmosphere, and the first workpiece and the second workpiece in the reduced pressure atmosphere in the variable pressure chamber. A workpiece laminating method for laminating a second workpiece,
Either or both of the first workpiece or the second workpiece in the transformer chamber of the air atmosphere Claim 1 which is installed on one or both any one of the first holding member or the second holding member a non-contact holding step of holding to float from the chuck surface of the workpiece chuck device according to any one to three of the non-contact,
In a subsequent said transformer chamber vacuum before or during decompression, the adhesive holding step of holding the pressure-sensitive adhesive to one or both of the previous SL said first workpiece or said second workpiece chucking surface of the workpiece chuck device,
A joining step of superposing the first workpiece and the second workpiece by relatively moving either one or both of the first holding member and the second holding member in the variable pressure chamber in the reduced pressure atmosphere; A method for laminating workpieces, comprising:
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