JP7118245B2 - 基板処理システム、および基板処理方法 - Google Patents
基板処理システム、および基板処理方法 Download PDFInfo
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
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Description
下地基板、前記下地基板の主表面に形成される凹凸パターン、および前記凹凸パターンに倣って形成される凹凸層を含む基板を保持する保持部と、
前記保持部で前記基板を保持した状態で、前記凹凸層の凸部にレーザー光線を照射し、前記凹凸層を平坦化する照射部と、
前記レーザー光線の照射点の位置を制御する制御部とを備える。
9 制御装置(制御部)
41 レーザー加工装置
51 デブリ除去装置
52 研磨装置
100 基板
110 下地基板
120 凹凸パターン
130 凹凸層
140 水溶性保護層
210 保持部
220 照射部
221 ガルバノスキャナ
230 パターン測定器
240 回転駆動部
250 移動駆動部
Claims (22)
- 下地基板、前記下地基板の主表面に形成される凹凸パターン、および前記凹凸パターンに倣って形成される凹凸層を含む基板を保持する保持部と、前記保持部で前記基板を保持した状態で、前記凹凸層の凸部にレーザー光線を照射し、前記凸部を除去し、前記凹凸層を平坦化する照射部と、を備える、レーザー加工装置と、
前記レーザー光線の照射点の位置を制御する制御部と、
前記凸部が前記レーザー光線で除去され、平坦化された後の前記凹凸層を研磨する研磨装置と、
を備える、基板処理システム。 - 前記凹凸層は、酸化シリコン、炭化シリコン、窒化シリコン、炭窒化シリコン、またはカーボンを含む、請求項1に記載の基板処理システム。
- 前記レーザー加工装置は、前記レーザー光線で前記凸部を除去する前に前記凹凸層の高さを測定する変位計を備え、
前記制御部は、前記変位計で測定した前記凸部の高さに基づき、前記レーザー光線の光源の出力を制御する、請求項1または2に記載の基板処理システム。 - (削除)
- 前記レーザー加工装置は、前記レーザー光線で前記凸部を除去する前に前記凹凸層を撮像するカメラと、前記保持部を回転させる回転駆動部と、を備え、
前記レーザー加工装置の前記照射部は、前記レーザー光線の強度分布を均一化するホモジナイザと、前記レーザー光線の断面形状を矩形に整形するアパーチャと、前記凹凸層における前記照射点を変位するガルバノスキャナと、を含み、
前記制御部は、前記カメラで撮像した前記凸部の輪郭に基づき前記保持部の回転を制御し、前記ガルバノスキャナの前記照射点を形成できる領域と重なる前記基板の領域を切り替え、前記凸部を前記領域ごとに除去した後、前記基板を回転させ前記領域を切り替える、請求項1~3のいずれか1項に記載の基板処理システム。 - (削除)
- (削除)
- (削除)
- (削除)
- 前記凸部が除去され、平坦化された後の前記凹凸層に生じたデブリを、前記基板を前記研磨装置に搬入する前に除去するデブリ除去装置と、
前記レーザー加工装置と、前記研磨装置と、前記デブリ除去装置との間で、前記基板を搬送する搬送装置と、
を備える、請求項1~3、5のいずれか1項に記載の基板処理システム。 - (削除)
- 前記凹凸層の前記下地基板とは反対側の表面には、前記デブリから前記凹凸層を保護する水溶性保護層が形成されており、
前記デブリ除去装置は、前記水溶性保護層を水に溶かして除去する洗浄装置である、請求項10に記載の基板処理システム。 - 下地基板、前記下地基板の主表面に形成される凹凸パターン、および前記凹凸パターンに倣って形成される凹凸層を含む基板を、保持部で保持することと、
前記保持部で前記基板を保持した状態で、前記凹凸層の凸部にレーザー光線を照射し、前記レーザー光線の照射点の位置を制御し、前記凸部を除去し、前記凹凸層を平坦化することと、
前記凸部が前記レーザー光線で除去され、平坦化された後の前記凹凸層を、研磨装置で研磨することと、
を含む、基板処理方法。 - 前記レーザー光線で前記凸部を除去する前に、前記凹凸層の高さを測定することと、
前記測定した前記凸部の高さに基づき、前記レーザー光線の光源の出力を制御することと、
を含む、請求項13に記載の基板処理方法。 - 前記レーザー光線の強度分布を、ホモジナイザによって均一化することと、
前記レーザー光線の断面形状を、アパーチャによって矩形に整形することと、
ガルバノスキャナによって、前記凹凸層における前記照射点を変位することと、
前記レーザー光線で前記凸部を除去する前に、前記凹凸層を撮像することと、
前記撮像した前記凸部の輪郭に基づき前記保持部の回転を制御し、前記ガルバノスキャナの前記照射点を形成できる領域と重なる前記基板の領域を切り替え、前記凸部を前記領域ごとに除去した後、前記基板を回転させ前記領域を切り替えることとを含む、請求項13または14に記載の基板処理方法 - (削除)
- (削除)
- (削除)
- (削除)
- 前記凸部が除去され、平坦化された後の前記凹凸層に生じたデブリを、前記基板を前記研磨装置に搬入する前に除去することを含む、請求項13~15のいずれか1項に記載の基板処理方法。
- 前記凹凸層の前記下地基板とは反対側の表面には、前記デブリから前記凹凸層を保護する水溶性保護層が形成されており、
前記デブリを除去することは、前記水溶性保護層を水に溶かして除去することを含む、請求項20に記載の基板処理方法。 - 前記凹凸層は、酸化シリコン、炭化シリコン、窒化シリコン、炭窒化シリコン、またはカーボンを含む、請求項13~15、20~21のいずれか1項に記載の基板処理方法。
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