JP5244793B2 - 位置合せおよびフィーチャの成形に対してフレキシビリティが向上したナノインプリント技術 - Google Patents
位置合せおよびフィーチャの成形に対してフレキシビリティが向上したナノインプリント技術 Download PDFInfo
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- B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
- B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
- B81C2201/0147—Film patterning
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
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Description
概して、マスク層は、フォトリソグラフィプロセスなどのリソグラフィプロセスによってパターニングされるフォトレジスト層により構成される、または、形成される。
典型的なフォトリソグラフィプロセスにおいては、レジストがウェハ表面にスピンコートされ、次に、選択的に紫外線放射にさらされる。フォトレジストを現像後、レジストがポジ・レジストまたはネガ・レジストであるかに応じて、露光した部分または露光していない部分が除去され、フォトレジスト層に所望のパターンが形成される。
例えば、フィーチャーサイズを縮小した金属構造が必要な高度な半導体デバイスのメタライゼーション層の製造においては、エレクトロマイグレーションに対する寄生容量が低くて抵抗が高い、通常は、いわゆる、はめ込みまたはダマシン技術が用いられる。
Claims (6)
- 基板の上方に形成された成形可能材料にビア開口部およびトレンチを共通にインプリントするステップを含み、前記ビア開口部およびトレンチは微細構造デバイスのメタライゼーション構造のフィーチャに対応し、
前記ビア開口部およびトレンチを導電性材料で実質的に完全に充填することによって前記ビア開口部およびトレンチに基づいてビアと導電線とを形成するステップと、
前記ビアおよび前記導電線の表面部分を露出するために前記成形可能材料を実質的に除去し、前記ビアおよび前記導電線を取り囲むように導電性のバリア層を前記露出された表面部分に形成するステップとを含む、
方法。 - 前記成形可能材料層は、誘電率が約3.0あるいはそれ以下の誘電材料を含む、請求項1記載の方法。
- 前記ビアと前記導電線とを形成する前に、前記成形可能材料層の残留物をビア開口部の底部から除去するステップをさらに含む、請求項1記載の方法。
- 前記ビアと前記導電線の雌型を表すインプリントモールドを形成するステップと、
前記ビア開口部およびトレンチを複数の基板の上方に提供された成形可能材料層に共通にインプリントするステップとをさらに含む、請求項1記載の方法。 - 前記インプリントモールドを形成するステップが、前記ビア開口部および前記トレンチの前記雌型を受け入れることができるようにモールド基板をパターニングするべく、リソグラフィプロセスおよびエッチングプロセスを実行するステップを含む、請求項4記載の方法。
- 前記インプリントモールドは、インプリントプロセスによって形成される、請求項4記載の方法。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006030267.2 | 2006-06-30 | ||
| DE102006030267A DE102006030267B4 (de) | 2006-06-30 | 2006-06-30 | Nano-Einprägetechnik mit erhöhter Flexibilität in Bezug auf die Justierung und die Formung von Strukturelementen |
| US11/671,688 | 2007-02-06 | ||
| US11/671,688 US7928004B2 (en) | 2006-06-30 | 2007-02-06 | Nano imprint technique with increased flexibility with respect to alignment and feature shaping |
| PCT/US2007/008371 WO2008005087A2 (en) | 2006-06-30 | 2007-04-05 | A nano imprint technique with increased flexibility with respect to alignment and feature shaping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009543334A JP2009543334A (ja) | 2009-12-03 |
| JP5244793B2 true JP5244793B2 (ja) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009518102A Expired - Fee Related JP5244793B2 (ja) | 2006-06-30 | 2007-04-05 | 位置合せおよびフィーチャの成形に対してフレキシビリティが向上したナノインプリント技術 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US7928004B2 (ja) |
| JP (1) | JP5244793B2 (ja) |
| KR (1) | KR101336274B1 (ja) |
| CN (1) | CN101479842B (ja) |
| DE (1) | DE102006030267B4 (ja) |
| GB (1) | GB2452445A (ja) |
| TW (1) | TWI474391B (ja) |
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| US7632087B2 (en) * | 2003-12-19 | 2009-12-15 | Wd Media, Inc. | Composite stamper for imprint lithography |
| US7060625B2 (en) * | 2004-01-27 | 2006-06-13 | Hewlett-Packard Development Company, L.P. | Imprint stamp |
| US7435074B2 (en) * | 2004-03-13 | 2008-10-14 | International Business Machines Corporation | Method for fabricating dual damascence structures using photo-imprint lithography, methods for fabricating imprint lithography molds for dual damascene structures, materials for imprintable dielectrics and equipment for photo-imprint lithography used in dual damascence patterning |
| US20050250052A1 (en) * | 2004-05-10 | 2005-11-10 | Nguyen Khe C | Maskless lithography using UV absorbing nano particle |
| US7148142B1 (en) * | 2004-06-23 | 2006-12-12 | Advanced Micro Devices, Inc. | System and method for imprint lithography to facilitate dual damascene integration in a single imprint act |
| US7691275B2 (en) * | 2005-02-28 | 2010-04-06 | Board Of Regents, The University Of Texas System | Use of step and flash imprint lithography for direct imprinting of dielectric materials for dual damascene processing |
| US7348272B2 (en) * | 2005-08-03 | 2008-03-25 | United Microelectronics Corp. | Method of fabricating interconnect |
| CN101505974A (zh) * | 2005-09-07 | 2009-08-12 | 凸版光掩膜公司 | 用来制作双波纹结构的光掩模及其形成方法 |
| US7468330B2 (en) * | 2006-04-05 | 2008-12-23 | International Business Machines Corporation | Imprint process using polyhedral oligomeric silsesquioxane based imprint materials |
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2006
- 2006-06-30 DE DE102006030267A patent/DE102006030267B4/de not_active Expired - Fee Related
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2007
- 2007-02-06 US US11/671,688 patent/US7928004B2/en active Active
- 2007-04-05 CN CN200780024239.0A patent/CN101479842B/zh not_active Expired - Fee Related
- 2007-04-05 JP JP2009518102A patent/JP5244793B2/ja not_active Expired - Fee Related
- 2007-04-05 KR KR1020097002089A patent/KR101336274B1/ko active Active
- 2007-06-25 TW TW96122854A patent/TWI474391B/zh active
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2008
- 2008-12-11 GB GB0822570A patent/GB2452445A/en not_active Withdrawn
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2011
- 2011-01-27 US US13/014,771 patent/US8293641B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US8293641B2 (en) | 2012-10-23 |
| CN101479842B (zh) | 2014-09-03 |
| DE102006030267A1 (de) | 2008-01-03 |
| GB2452445A (en) | 2009-03-04 |
| US20110117723A1 (en) | 2011-05-19 |
| DE102006030267B4 (de) | 2009-04-16 |
| TW200816303A (en) | 2008-04-01 |
| GB0822570D0 (en) | 2009-01-14 |
| TWI474391B (zh) | 2015-02-21 |
| US20080003818A1 (en) | 2008-01-03 |
| US7928004B2 (en) | 2011-04-19 |
| CN101479842A (zh) | 2009-07-08 |
| KR20090033464A (ko) | 2009-04-03 |
| KR101336274B1 (ko) | 2013-12-03 |
| JP2009543334A (ja) | 2009-12-03 |
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