JP2021063293A5 - - Google Patents

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JP2021063293A5
JP2021063293A5 JP2020168565A JP2020168565A JP2021063293A5 JP 2021063293 A5 JP2021063293 A5 JP 2021063293A5 JP 2020168565 A JP2020168565 A JP 2020168565A JP 2020168565 A JP2020168565 A JP 2020168565A JP 2021063293 A5 JP2021063293 A5 JP 2021063293A5
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substrate
mask
alignment
film forming
control
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本発明の一実施形態によるアライメント装置は、基板とマスクの位置ずれを検知する位置ずれ検知手段と、前記基板または前記マスクを相対移動させるための駆動手段と、前記位置ずれ検知手段によって検知された位置ずれに基づいて、前記駆動手段を制御し、前記基板と前記マスクの位置合わせを行う制御手段と、前記基板と前記マスクの接触を検知する接触検知手段と、を含み、前記制御手段は、前記接触検知手段による接触の検知結果に基づいて、前記駆動手段の出力を調整するように構成されることを特徴とする。
An alignment apparatus according to an embodiment of the present invention includes positional deviation amount detection means for detecting a positional deviation amount between a substrate and a mask , driving means for relatively moving the substrate or the mask, and the positional deviation amount detection means. a control means for controlling the driving means and aligning the substrate and the mask based on the amount of positional deviation detected by a contact detection means for detecting contact between the substrate and the mask; The control means is configured to adjust the output of the drive means based on the result of contact detection by the contact detection means.

本発明の一実施形態によるアライメント方法は、基板とマスクの位置ずれを検知する位置ずれ検知手段と、前記基板または前記マスクを相対移動させるための駆動手段と、前記駆動手段を制御する制御手段を含む成膜装置を用いて、前記基板および前記マスクを位置調整するためのアライメント方法であって、前記位置ずれ検知手段により、前記基板と前記マスクの位置ずれを検知する位置ずれ検知工程と、検知された前記位置ずれに基づいて、前記制御手段により前記駆動手段を制御することで、前記基板と前記マスクの位置合わせを行う工程と、を含み、前記制御手段は、前記位置合わせ工程中に、前記基板と前記マスクの接触を検知し、前記駆動手段の出力を調整するように制御することを
特徴とする。
An alignment method according to an embodiment of the present invention includes positional deviation amount detection means for detecting a positional deviation amount between a substrate and a mask , driving means for relatively moving the substrate or the mask, and controlling the driving means. An alignment method for adjusting the positions of the substrate and the mask using a film forming apparatus including a control means, wherein the positional deviation amount of the substrate and the mask is detected by the positional deviation amount detection means. and a step of aligning the substrate and the mask by controlling the drive means by the control means based on the detected positional deviation amount , wherein the control means is characterized by detecting contact between the substrate and the mask during the alignment process and controlling the output of the drive means to adjust.

Claims (19)

基板とマスクの位置ずれを検知する位置ずれ検知手段と、
前記基板または前記マスクを相対移動させるための駆動手段と、
前記位置ずれ検知手段によって検知された位置ずれに基づいて、前記駆動手段を制御し、前記基板と前記マスクの位置合わせを行う制御手段と、
前記基板と前記マスクの接触を検知する接触検知手段と、を含み、
前記制御手段は、前記接触検知手段による接触の検知結果に基づいて、前記駆動手段の出力を調整するように構成されることを特徴とするアライメント装置。
misalignment amount detection means for detecting a misalignment amount between the substrate and the mask ;
driving means for relatively moving the substrate or the mask;
a control means for controlling the driving means based on the positional deviation amount detected by the positional deviation amount detecting means to align the substrate and the mask ;
contact detection means for detecting contact between the substrate and the mask;
The alignment apparatus according to claim 1, wherein the control means is configured to adjust the output of the drive means based on the result of contact detection by the contact detection means.
前記制御手段は、前記基板と前記マスクの位置合わせ動作中に、前記接触検知手段による接触の検知結果に基づいて、前記駆動手段の出力を調整するように構成されることを特徴とする請求項1に記載のアライメント装置。 The control means is configured to adjust the output of the drive means based on the result of contact detection by the contact detection means during the alignment operation of the substrate and the mask . Item 1. The alignment device according to item 1 . 前記制御手段は、前記基板と前記マスクの位置合わせ動作中に前記接触検知手段によって接触が検知されたら、前記駆動手段の出力低下させるように構成されることを特徴とする請求項2に記載のアライメント装置。 3. The control device according to claim 2 , wherein the control device is configured to reduce the output of the drive device when contact is detected by the contact detection device during the alignment operation of the substrate and the mask. Alignment device as described. 前記接触検知手段は、前記駆動手段の駆動電流変動に基づいて前記基板と前記マスクの接触を検知することを特徴とする請求項3に記載のアライメント装置。 4. The alignment apparatus according to claim 3, wherein said contact detection means detects contact between said substrate and said mask based on fluctuations in a driving current value of said driving means. 前記制御手段は、前記基板と前記マスクの位置合わせ動作中に前記接触検知手段によって検知される前記駆動手段の駆動電流変位量があらかじめ決められた基準値以下である場合、前記駆動手段の出力低下させて前記位置合わせ動作を継続するように制御を行うことを特徴とする請求項4に記載のアライメント装置。 The control means controls the driving means when the displacement amount of the driving current value of the driving means detected by the contact detection means during the alignment operation of the substrate and the mask is equal to or less than a predetermined reference value. 5. The alignment apparatus according to claim 4, wherein control is performed so as to continue the alignment operation by reducing the output of the . 前記制御手段は、前記基板と前記マスクの位置合わせ動作中に前記接触検知手段によって検知される前記駆動手段の駆動電流変位量があらかじめ決められた基準値より大きい場合、前記位置合わせ動作を停止させ、前記基板と前記マスクを離隔させる方向へ相対移動させるように制御を行うことを特徴とする請求項4に記載のアライメント装置。 The control means controls the alignment operation when the displacement amount of the drive current value of the drive means detected by the contact detection means during the alignment operation of the substrate and the mask is larger than a predetermined reference value. 5. The alignment apparatus according to claim 4, wherein control is performed so as to stop and relatively move the substrate and the mask in a direction separating them. 前記基板を吸着する基板吸着手段をさらに含み、
前記駆動手段は、基板を吸着した前記基板吸着手段を前記マスクに対し相対移動させるリニアモーターであることを特徴とする請求項4に記載のアライメント装置。
further comprising substrate adsorption means for adsorbing the substrate;
5. The alignment apparatus according to claim 4 , wherein said driving means is a linear motor for relatively moving said substrate attracting means that has attracted the substrate with respect to said mask.
固定プレート部と、前記固定プレート部に対し磁気浮上した状態で相対移動可能な可動プレート部を有する磁気浮上ステージ機構をさらに含み、
前記基板吸着手段は、前記可動プレート部に設置され、
前記駆動手段は、前記可動プレート部を磁気浮上した状態で移動させるリニアモーターであることを特徴とする請求項7に記載のアライメント装置。
further comprising a magnetic levitation stage mechanism having a fixed plate portion and a movable plate portion capable of moving relative to the fixed plate portion while being magnetically levitated;
The substrate adsorption means is installed on the movable plate portion,
8. An alignment apparatus according to claim 7 , wherein said driving means is a linear motor for moving said movable plate portion in a magnetically levitated state.
前記制御手段は、前記接触検知手段により接触が検知されることによって前記リニアモーターの出力低下させる場合、前記リニアモーターが発振しない範囲内前記駆動手段の駆動電流値が下がるように、前記リニアモーターの出力低下させるように制御することを特徴とする請求項7に記載のアライメント装置。 When the contact is detected by the contact detection means and the output of the linear motor is reduced , the control means controls the drive current value of the drive means so that the drive current value of the drive means is reduced within a range in which the linear motor does not oscillate. 8. The alignment apparatus according to claim 7, wherein control is performed so as to reduce the output of the linear motor. 基板にマスクを介して成膜材料を成膜するための成膜装置であって、真空容器と、
前記真空容器内に設けられ、前記基板及び前記マスクを位置調整するための請求項1~9の何れか一項に記載のアライメント装置と、
前記真空容器内に設けられ、成膜材料を収納し、前記成膜材料を粒子化して放出するための成膜源と、を含むことを特徴とする成膜装置。
A film forming apparatus for forming a film of a film forming material on a substrate through a mask, comprising: a vacuum vessel;
an alignment apparatus according to any one of claims 1 to 9 , which is provided in the vacuum vessel and for adjusting the positions of the substrate and the mask;
A film forming apparatus, comprising: a film forming source provided in the vacuum vessel, containing a film forming material, and for granulating and discharging the film forming material.
基板とマスクの位置ずれを検知する位置ずれ検知手段と、前記基板または前記マスクを相対移動させるための駆動手段と、前記駆動手段を制御する制御手段を含む成膜装置を用いて、前記基板および前記マスクを位置調整するためのアライメント方法であって、
前記位置ずれ検知手段により、前記基板と前記マスクの位置ずれを検知する位置ずれ検知工程と、
検知された前記位置ずれに基づいて、前記制御手段により前記駆動手段を制御することで、前記基板と前記マスクの位置合わせを行う工程と、を含み、
前記制御手段は、前記位置合わせ工程中に、前記基板と前記マスクの接触を検知し、前記駆動手段の出力を調整するように制御することを特徴とするアライメント方法。
Using a film forming apparatus including a positional deviation amount detecting means for detecting a positional deviation amount between a substrate and a mask , a driving means for relatively moving the substrate or the mask, and a control means for controlling the driving means, An alignment method for aligning the substrate and the mask, comprising:
a positional deviation amount detection step of detecting a positional deviation amount between the substrate and the mask by the positional deviation amount detection means;
a step of aligning the substrate and the mask by controlling the driving means by the control means based on the detected positional deviation amount ;
The alignment method, wherein the control means detects contact between the substrate and the mask during the alignment process, and controls to adjust the output of the drive means.
前記制御手段は、前記基板と前記マスクの位置合わせ動作中に前記基板と前記マスクの接触が検知されたら、前記駆動手段の出力低下させるように制御することを特徴とする請求項11に記載のアライメント方法。 12. The apparatus according to claim 11 , wherein the control means controls to reduce the output of the drive means when contact between the substrate and the mask is detected during the alignment operation of the substrate and the mask. Alignment method as described. 前記位置合わせ工程中に、前記駆動手段に印加される駆動電流変動に基づいて、前記基板と前記マスクの接触を検知することを特徴とする請求項12に記載のアライメント方法。 13. The alignment method according to claim 12, wherein during said alignment step, contact between said substrate and said mask is detected based on variation in a drive current value applied to said drive means. 前記制御手段は、前記基板と前記マスクの位置合わせ工程中に、前記駆動手段の駆動電流変位量があらかじめ決められた基準値以下である場合、前記駆動手段の出力低下させて前記位置合わせ工程を継続するように制御を行うことを特徴とする請求項13に記載のアライメント方法。 The control means reduces the output of the drive means to reduce the output of the drive means when the amount of displacement of the drive current value of the drive means is equal to or less than a predetermined reference value during the process of aligning the substrate and the mask . 14. The alignment method according to claim 13, wherein control is performed so as to continue the alignment process. 前記制御手段は、前記基板と前記マスクの位置合わせ工程中に、前記駆動手段の駆動電流変位量があらかじめ決められた基準値より大きい場合、前記位置合わせ工程を停止させ、前記基板と前記マスクを離隔させる方向へ相対移動させるように制御を行うことを特徴とする請求項13に記載のアライメント方法。 The control means stops the alignment process when the amount of displacement of the driving current value of the driving means is larger than a predetermined reference value during the alignment process of the substrate and the mask. 14. The alignment method according to claim 13, wherein control is performed such that the mask is relatively moved in a direction to separate the mask. 前記成膜装置は、前記基板を吸着する基板吸着手段をさらに含み、前記駆動手段は、基
板を吸着した前記基板吸着手段を前記マスクに対し相対移動させるリニアモーターであることを特徴とする請求項13に記載のアライメント方法。
3. The film forming apparatus further includes substrate chucking means for chucking the substrate, and the drive means is a linear motor for relatively moving the substrate chucking means chucking the substrate with respect to the mask . 13. The alignment method according to 13 .
前記成膜装置は、固定プレート部と、前記固定プレート部に対し磁気浮上した状態で相対移動可能な可動プレート部を有する磁気浮上ステージ機構とをさらに含み、前記基板吸着手段は、前記可動プレート部に設置され、前記駆動手段は、前記可動プレート部を磁気浮上した状態で移動させるリニアモーターであることを特徴とする請求項16に記載のアライメント方法。 The film forming apparatus further includes a fixed plate section and a magnetic levitation stage mechanism having a movable plate section that can move relative to the fixed plate section while being magnetically levitated. 17. The alignment method according to claim 16 , wherein said driving means is a linear motor for moving said movable plate portion in a magnetically levitated state. 前記制御手段は、前記基板と前記マスクの接触が検知されることによって前記リニアモーターの出力低下させる場合、前記リニアモーターが発振しない範囲内前記駆動手段の駆動電流値が下がるように、前記リニアモーターの出力低下させるように制御することを特徴とする請求項16に記載のアライメント方法。 When the output of the linear motor is reduced due to the detection of contact between the substrate and the mask, the control means controls the drive current value of the drive means to be reduced within a range in which the linear motor does not oscillate. 17. The alignment method according to claim 16, wherein control is performed so as to reduce the output of said linear motor. 基板上にマスクを介して成膜材料を成膜するための成膜方法であって、
請求項11~18の何れか一項に記載のアライメント方法により、前記基板及び前記マスクを位置調整する工程と、
成膜源によって粒子化された成膜材料を、前記マスクを介して前記基板に成膜する工程と、
を含むことを特徴とする成膜方法。
A film forming method for forming a film of a film forming material on a substrate through a mask,
A step of adjusting the positions of the substrate and the mask by the alignment method according to any one of claims 11 to 18 ;
forming a film of a film forming material granulated by a film forming source on the substrate through the mask;
A film forming method comprising:
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