JP6169218B2 - インプリント装置、基板搬送装置、インプリント方法および物品の製造方法 - Google Patents
インプリント装置、基板搬送装置、インプリント方法および物品の製造方法 Download PDFInfo
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Description
物品として、例えば、デバイス(半導体デバイス、磁気記憶媒体、液晶表示素子等)、カラーフィルター、またはハードディスク等の製造方法について説明する。かかる製造方法は、インプリント装置を用いてパターンを基板(ウエハ、ガラスプレート、フィルム状基板等)に形成する工程を含む。かかる製造方法は、パターンを形成された基板を処理する工程を更に含む。該処理ステップは、該パターンの残膜を除去するステップを含みうる。また、該パターンをマスクとして基板をエッチングするステップなどの周知の他のステップを含みうる。本実施形態における物品の製造方法は、従来に比べて、物品の性能、品質、生産性および生産コストの少なくとも1つにおいて有利である。
Claims (19)
- 基板上のインプリント材と型とを接触させた状態で前記インプリント材を硬化させて離型を行って前記基板上に前記インプリント材のパターンを形成するインプリント装置であって、
前記基板を吸着するための複数の部分領域を備え、前記複数の部分領域で前記基板を保持する基板保持部と、
前記基板保持部に対する基板の位置ずれを示す計測データを取得する取得部を有し、
前記取得した計測データを用いて、複数のショット領域の各々に前記パターンが形成される基板を前記基板保持部に対して位置決めし、
前記計測データを用いて位置決めされ、前記複数の部分領域において保持された基板のショット領域において、前記複数の部分領域のうち前記ショット領域に対応する部分領域の吸着力が他の部分領域の吸着力よりも弱い状態で前記離型を行うことを特徴とするインプリント装置。 - 基板を搬送する搬送部を有し、
前記計測データより求められた位置ずれの補正量に応じて、前記搬送部を移動させることにより、前記位置決めを行うことを特徴とする請求項1に記載のインプリント装置。 - 前記計測データより求められた位置ずれの補正量に応じて、前記基板保持部を移動させることにより、前記位置決めを行うことを特徴とする請求項1又は請求項2に記載のインプリント装置。
- 前記計測データは、基板の端部と前記基板保持部とを含む計測領域の画像であることを特徴とする請求項1乃至請求項3のいずれか1項に記載のインプリント装置。
- 前記計測データは、基板の端部と前記基板保持部との間の距離データであることを特徴とする請求項1乃至請求項3のいずれか1項に記載のインプリント装置。
- 前記計測データの取得に用いられる基板と、前記パターンが形成される基板とは、同じ基板であることを特徴とする請求項1乃至請求項5のいずれか1項に記載のインプリント装置。
- 前記計測データの取得に用いられる基板と、前記パターンが形成される基板とは、互いに異なる基板であることを特徴とする請求項1乃至請求項5のいずれか1項に記載のインプリント装置。
- 前記パターンが形成される基板が前記基板保持部に保持されている状態で前記計測データを取得することを特徴とする請求項1乃至請求項7のいずれか1項に記載のインプリント装置。
- 前記計測データは、前記型と前記基板上の前記インプリント材とが接触している領域を含む画像であることを特徴とする請求項8に記載のインプリント装置。
- 前記基板の複数のショット領域のうち当該基板の最外周にある少なくとも1つのショット領域において前記パターンを形成する際に、前記計測データを取得することを特徴とする請求項8又は請求項9に記載のインプリント装置。
- 前記型を介して撮像した画像を前記計測データとして取得することを特徴とする請求項8乃至請求項10のいずれか1項に記載のインプリント装置。
- 前記基板の端部と前記基板保持部とを含む計測領域の複数の箇所において前記計測データを取得することを特徴とする請求項1乃至請求項11のいずれか1項に記載のインプリント装置。
- 前記基板の円弧形状の接線と前記基板保持部の円弧形状の接線との距離から位置ずれの補正に用いる補正量を求めることを特徴とする請求項1乃至請求項12のいずれか1項に記載のインプリント装置。
- 前記基板の円弧形状の円弧上の少なくとも4点と、前記基板保持部の円弧形状の円弧上の少なくとも4点とにおける、互いに平行な接線の組の距離から位置ずれの補正に用いる補正量を求めることを特徴とする請求項13に記載のインプリント装置。
- 前記基板保持部を移動させる移動部と、
前記基板を搬送する搬送部と、を有し、
前記移動部は第1定盤に設置され、前記搬送部は前記第1定盤とは異なる第2定盤に設置されている
ことを特徴とする、請求項1乃至請求項14のいずれか1項に記載のインプリント装置。 - 請求項1乃至15の何れか1項に記載のインプリント装置に基板を搬送する基板搬送装置であって、
パターンが形成される基板を前記インプリント装置の前記基板保持部に搬送する際に、前記計測データから求めた補正量に応じて前記位置決めを行うことを特徴とする基板搬送装置。 - 前記基板搬送装置は、前記インプリント装置の前記基板保持部を移動させる移動部が設置されている第1定盤とは異なる第2定盤に設置されていることを特徴とする請求項16に記載の基板搬送装置。
- 基板上のインプリント材と型とを接触させた状態で前記インプリント材を硬化させて離型を行って前記基板上に前記インプリント材のパターンを形成するインプリント方法において、
前記基板を吸着するための複数の部分領域を備え、前記複数の部分領域で前記基板を保持する基板保持部に対する基板の位置ずれを示す計測データを取得する工程と、
前記取得した計測データを用いて、複数のショット領域の各々に前記パターンが形成される基板を前記基板保持部に対して位置決めする工程と、
前記計測データを用いて位置決めされ、前記複数の部分領域において保持された基板のショット領域において、前記複数の部分領域のうち前記ショット領域に対応する部分領域の吸着力が他の部分領域の吸着力よりも弱い状態で前記離型を行う工程と、を有することを特徴とするインプリント方法。 - 請求項18に記載のインプリント方法を用いて、前記パターンを前記基板に形成する工程と、
前記工程で前記パターンが形成された前記基板を処理する工程と、
を有することを特徴とする物品の製造方法。
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