JP4380709B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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Description
実施例として、上記実施形態の方法により実際に転写元基板から第1転写先基板に被転写層を転写した。シール材にはシリコーンゴムを用い、接着剤には水溶性アクリル系接着剤を用いた。シール材のSP値は7.2〜7.5である。接着剤のSP値は、該接着剤の主成分(60%〜70%の成分)のSP値をFedors法により計算し、10.1と推定した。この場合、シール材を硬化しなくても問題なく被転写層の転写を行うことができた。
比較例として、接着剤は上記実施例と同様であるが、シール材を紫外線硬化型エポキシ系接着剤として同様の転写工程を行った。シール材のSP値は主成分(50%〜75%の成分)のSP値をFedors法により計算し、9.7〜10.9と推定した。この場合、接着剤の充填工程においてシール材が接着剤に溶け出し、封入することができなかった。
Claims (8)
- 第1基板上に配置された被転写層と第2基板とを接着する工程と、前記被転写層を前記第1基板から剥離する工程とを含む半導体装置の製造方法であって、
前記被転写層と前記第2基板とを接着する工程は、
前記第1基板の前記被転写層が配置された面又は前記第2基板の前記第1基板と対向する面に未硬化の枠状のシール材を配置する工程と、
前記未硬化のシール材の枠内の領域に、前記未硬化のシール材とは相溶性のない材料によって構成された未硬化の接着剤を配置する工程と、
前記第1基板の前記被転写層が配置された面と前記第2基板とを前記未硬化のシール材及び前記未硬化の接着剤を介して重ね合わせる工程と、含み、
前記シール材を配置する工程から前記第1基板の前記被転写層が配置された面と前記第2基板とを重ね合わせる工程において、前記シール材及び前記接着剤を硬化させず、
前記第1基板の前記被転写層が配置された面と前記第2基板とを重ね合わせた後に、前記未硬化のシール材の枠内に配置された前記未硬化の接着剤を硬化させる工程を含み、
式(1)で表される前記シール材の主成分の溶解度パラメータσ(σ 1 )と前記接着剤の主成分の溶解度パラメータσ(σ 2 )との差|σ 1 −σ 2 |は2以上であることを特徴とする半導体装置の製造方法。
- 前記被転写層と前記第2基板とを接着した後、
前記被転写層を前記第1基板から剥離する工程と、
前記被転写層の前記第1基板から剥離した面を第3基板に接着する工程と、
前記被転写層を前記第2基板から剥離する工程と、
前記被転写層の前記第2基板から剥離した面に付着した前記接着剤を除去する工程と、を含み、
前記接着剤は水溶性の接着剤であることを特徴とする請求項1に記載の半導体装置の製造方法。 - 前記シール材の溶解度パラメータσ(σ1)は8以下であることを特徴とする請求項1又は2に記載の半導体装置の製造方法。
- 前記シール材はシリコーン系接着剤であることを特徴とする請求項3に記載の半導体装置の製造方法。
- 前記未硬化のシール材の枠内に配置された前記未硬化の接着剤を硬化させる工程では、前記未硬化のシール材と前記未硬化の接着剤とを共通の硬化方法により硬化することを特徴とする請求項1〜4のいずれかの項に記載の半導体装置の製造方法。
- 前記未硬化のシール材と前記未硬化の接着剤とを硬化する工程は、紫外線を照射することにより行われることを特徴とする請求項5に記載の半導体装置の製造方法。
- 前記未硬化のシール材の枠内に配置された前記未硬化の接着剤を硬化させる工程では、前記未硬化のシール材を硬化せずに前記未硬化の接着剤を硬化することを特徴とする請求項1〜4のいずれかの項に記載の半導体装置の製造方法。
- 前記未硬化のシール材中に前記第1基板と前記第2基板とのギャップを保持するギャップ材が混合されていることを特徴とする請求項1〜7のいずれかの項に記載の半導体装置の製造方法。
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JP5460984B2 (ja) * | 2007-08-17 | 2014-04-02 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
JP5268305B2 (ja) | 2007-08-24 | 2013-08-21 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
TWI360862B (en) * | 2008-10-31 | 2012-03-21 | Ind Tech Res Inst | Methods of forming gas barriers on electronic devi |
CN102013429B (zh) * | 2010-09-25 | 2012-06-27 | 友达光电股份有限公司 | 可挠性显示面板 |
JP2013080897A (ja) * | 2011-09-22 | 2013-05-02 | Sumitomo Chemical Co Ltd | 複合基板の製造方法 |
WO2013124719A1 (en) * | 2012-02-22 | 2013-08-29 | Soitec | Methods of providing thin layers of crystalline semiconductor material, and related structures and devices |
TWI685026B (zh) * | 2013-08-06 | 2020-02-11 | 日商半導體能源研究所股份有限公司 | 剝離方法 |
TW201943069A (zh) | 2013-09-06 | 2019-11-01 | 日商半導體能源研究所股份有限公司 | 發光裝置以及發光裝置的製造方法 |
JP6513929B2 (ja) * | 2013-11-06 | 2019-05-15 | 株式会社半導体エネルギー研究所 | 剥離方法 |
JP6822858B2 (ja) | 2016-01-26 | 2021-01-27 | 株式会社半導体エネルギー研究所 | 剥離の起点の形成方法及び剥離方法 |
CN108336227B (zh) * | 2018-01-19 | 2022-01-25 | 云谷(固安)科技有限公司 | 显示屏的衬底结构、柔性显示装置及其制备方法和显示屏 |
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