JP5493009B2 - 設計規則違反を低減するために多重露光及び遮断マスクの手法を用いる半導体デバイス製造 - Google Patents
設計規則違反を低減するために多重露光及び遮断マスクの手法を用いる半導体デバイス製造 Download PDFInfo
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- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
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Description
Claims (18)
- 半導体デバイス構造上にデバイス特徴部を作製する方法であって、
第1の要素フォトリソグラフィマスクによって規定されるネガティブなフォトレジスト特徴部の第1のパターンであって、先端・先端間及び先端・線間の設計規則違反が無い、ネガティブなフォトレジスト特徴部の第1のパターンを前記半導体デバイス構造の目標材質の上に作製することと、
第2の要素フォトリソグラフィマスクによって規定されるネガティブなフォトレジスト特徴部の第2のパターンであって、先端・先端間及び先端・線間の設計規則違反が無い、ネガティブなフォトレジスト特徴部の第2のパターンであって、ネガティブなフォトレジスト特徴部の前記第1のパターンと共に、ネガティブなフォトレジスト特徴部の、先端・先端間及び先端・線間の設計規則違反の無い結合されたパターンを形成する、ネガティブなフォトレジスト特徴部の第2のパターンを前記目標材質の上に作製することと、
ネガティブなフォトレジスト特徴部の前記結合されたパターンをエッチングマスクとして用いて前記目標材質を選択的にエッチングすることによって前記目標材質内に凹部線パターンを形成することと、
前記目標材質を選択的にエッチングした後に、前記凹部線パターンの指定された区画と交差し且つ当該区画を覆う、ポジティブなフォトレジスト特徴部の第3のパターンであって、先端・先端間及び先端・線間の設計規則違反が無い、ポジティブなフォトレジスト特徴部の第3のパターンを形成することと、を備える方法。 - 前記目標材質は第2の材質の層の上に形成され、
前記目標材質を選択的にエッチングすることは、前記第2の材質の一部を露出させ、
ポジティブなフォトレジスト特徴部の前記第3のパターンは前記第2の材質の露出させられた部分上に形成される請求項1の方法。 - 前記目標材質及びポジティブなフォトレジスト特徴部の前記第3のパターンを第2のエッチングマスクとして用いて前記第2の材質を選択的にエッチングすることによって前記第2の材質内に溝を形成することを更に備える請求項2の方法。
- 前記溝を電気伝導性材質で少なくとも部分的に埋めることを更に備える請求項3の方法。
- 前記溝の少なくとも1つは二方向的である請求項3の方法。
- 半導体デバイスを製造する方法であって、
半導体材質の層及び半導体材質の前記層の上の絶縁材質の層を備える半導体デバイス構造を提供することと、
絶縁材質の前記層の上にハードマスク材質の層を形成することと、
第1のフォトリソグラフィマスクを用いて形成される第1のネガティブなフォトレジスト特徴部と、第2のフォトリソグラフィマスクを用いて形成される第2のネガティブなフォトレジスト特徴部とを備える、ネガティブなフォトレジスト特徴部の結合されたパターンをハードマスク材質(408)の前記層の上に作製することであって、前記第1のネガティブなフォトレジスト特徴部、前記第2のネガティブなフォトレジスト特徴部及びネガティブなフォトレジスト特徴部の前記結合されたパターンの各々は、先端・先端間及び先端・線間の設計規則違反が無いことと、
ネガティブなフォトレジスト特徴部の前記結合されたパターンをエッチングマスクとして用いてハードマスク材質の前記層を選択的にエッチングすることによってポジティブハードマスクパターン及びネガティブ凹部線パターンを前記ハードマスク材質内に規定することと、
ハードマスク材質の前記層を選択的にエッチングした後に、前記ネガティブ凹部線パターン内に規定される1つ以上の凹部線と交差し且つ当該凹部線を覆うポジティブなフォトレジスト特徴部のパターンであって、先端・先端間及び先端・線間の設計規則違反が無い、ポジティブなフォトレジスト特徴部のパターンを前記絶縁材質の上に作製することと、を備える方法。 - 前記ポジティブハードマスクパターン及び前記ポジティブなフォトレジスト特徴部を第2のエッチングマスクとして用いて前記絶縁材質を選択的にエッチングすることによって前記絶縁材質内に溝を形成することを更に備える請求項6の方法。
- 前記ポジティブハードマスクパターンを前記半導体デバイス構造から除去することと、
前記ポジティブなフォトレジスト特徴部を前記半導体デバイス構造から除去することと、を更に備える請求項7の方法。 - 前記溝内に電気伝導性材質を堆積させることを更に備える請求項8の方法。
- 前記溝の少なくとも1つは二方向的である請求項7の方法。
- 半導体デバイスを製造する方法であって、
半導体材質の層と、前記半導体材質の層の上の絶縁材質の層とを備える基板にハードマスク材質の層を形成することであって、前記ハードマスク材質の層を前記絶縁材質の層の上に形成することと、
ネガティブなフォトレジスト特徴部の、先端・先端間及び先端・線間の設計規則違反の無い結合されたパターンを前記ハードマスク材質の層の上に生成するために、多重露光フォトリソグラフィ手順を実行することと、
ネガティブなフォトレジスト特徴部の前記結合されたパターンによって規定される凹部線パターンを前記ハードマスク材質に形成することと、
前記凹部線パターンの指定された区画を、先端・先端間及び先端・線間の設計規則違反の無い、ポジティブなフォトレジスト特徴部の遮断パターンで覆うことと、
ポジティブなフォトレジスト特徴部の前記遮断パターンと、前記ハードマスク材質の前記凹部線パターンとによって規定される溝のパターンを前記絶縁材質に形成することと、
前記溝内に電気伝導性材質を堆積させることによって、半導体デバイス用の導電線を形成することと、を備える方法。 - 前記凹部線パターンを形成することは、ネガティブなフォトレジスト特徴部の前記結合されたパターンをエッチングマスクとして用いて、前記ハードマスク材質の層をエッチングすることを備える請求項11の方法。
- 前記溝のパターンを形成することは、ポジティブなフォトレジスト特徴部の前記遮断パターンと前記ハードマスク材質とをエッチングマスクとして用いて、前記絶縁材質の層をエッチングすることを備える請求項11の方法。
- 前記溝のパターンを形成することは、ポジティブなフォトレジスト特徴部の前記遮断パターンと前記ハードマスク材質とをエッチングマスクとして用いて、前記絶縁材質の層の下の絶縁材質の第2の層をエッチングすることを更に備える請求項13の方法。
- 前記溝のパターンを形成することは、前記半導体デバイスのトランジスタゲート構造で終了する少なくとも1つの溝を形成することを備える請求項11の方法。
- 前記溝のパターンを形成することは、前記半導体デバイスの活性トランジスタ領域で終了する少なくとも1つの溝を形成することを備える請求項11の方法。
- 前記溝のパターンを形成することは、前記絶縁材質の層の下の絶縁材質の第2の層で終了する少なくとも1つの溝を形成することを備える請求項11の方法。
- 前記凹部線パターンを形成することは、二方向的な凹部線のパターンを形成することを備える請求項11の方法。
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US12/617,429 US8304172B2 (en) | 2009-11-12 | 2009-11-12 | Semiconductor device fabrication using a multiple exposure and block mask approach to reduce design rule violations |
PCT/US2010/055977 WO2011059961A2 (en) | 2009-11-12 | 2010-11-09 | Semiconductor device fabrication using a multiple exposure and block mask approach to reduce design rule violations |
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US8739095B2 (en) * | 2010-03-08 | 2014-05-27 | Cadence Design Systems, Inc. | Method, system, and program product for interactive checking for double pattern lithography violations |
KR101948222B1 (ko) * | 2012-06-15 | 2019-02-14 | 에스케이하이닉스 주식회사 | 홀 패터닝을 위한 마스크패턴 및 그를 이용한 반도체장치 제조 방법 |
US10283437B2 (en) * | 2012-11-27 | 2019-05-07 | Advanced Micro Devices, Inc. | Metal density distribution for double pattern lithography |
US9236300B2 (en) * | 2012-11-30 | 2016-01-12 | Taiwan Semiconductor Manufacturing Company, Ltd. | Contact plugs in SRAM cells and the method of forming the same |
WO2014110574A1 (en) | 2013-01-14 | 2014-07-17 | Incyte Corporation | Bicyclic aromatic carboxamide compounds useful as pim kinase inhibitors |
US8910090B2 (en) | 2013-02-27 | 2014-12-09 | Globalfoundries Inc. | Methods involving pattern matching to identify and resolve potential non-double-patterning-compliant patterns in double patterning applications |
CN105830211A (zh) * | 2013-12-17 | 2016-08-03 | 德克萨斯仪器股份有限公司 | 使用光刻-冷冻-光刻-蚀刻工艺的细长接触件 |
US9472653B2 (en) * | 2014-11-26 | 2016-10-18 | Samsung Electronics Co., Ltd. | Method for fabricating semiconductor device |
US10430544B2 (en) * | 2016-09-02 | 2019-10-01 | Taiwan Semiconductor Manufacturing Co., Ltd. | Multi-patterning graph reduction and checking flow method |
US11764062B2 (en) * | 2017-11-13 | 2023-09-19 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of forming semiconductor structure |
CN116819906B (zh) * | 2023-08-25 | 2023-11-28 | 深圳国微福芯技术有限公司 | 设计规则检查方法、光学临近修正方法 |
CN117153677B (zh) * | 2023-10-27 | 2024-03-01 | 合肥晶合集成电路股份有限公司 | 一种半导体结构的制造方法 |
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US6204187B1 (en) * | 1999-01-06 | 2001-03-20 | Infineon Technologies North America, Corp. | Contact and deep trench patterning |
TW436933B (en) * | 1999-12-30 | 2001-05-28 | Taiwan Semiconductor Mfg | Method for defining a pattern |
JP2002182363A (ja) * | 2000-12-12 | 2002-06-26 | Matsushita Electric Ind Co Ltd | マスク及びパターン形成方法 |
JP2004247606A (ja) * | 2003-02-14 | 2004-09-02 | Fujitsu Ltd | フォトマスク、半導体装置及びその製造方法 |
JP2005259991A (ja) * | 2004-03-11 | 2005-09-22 | Sony Corp | パターン形成方法 |
JP2006294942A (ja) * | 2005-04-12 | 2006-10-26 | Toshiba Corp | 半導体装置およびその製造方法 |
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US20070231748A1 (en) * | 2006-03-29 | 2007-10-04 | Swaminathan Sivakumar | Patterning trenches in a photoresist layer with tight end-to-end separation |
US20070231743A1 (en) | 2006-03-31 | 2007-10-04 | Richard Selinfreund | Optical media device with minipulatable read capability |
JP2008153373A (ja) * | 2006-12-15 | 2008-07-03 | Toshiba Corp | 半導体装置の製造方法 |
US7759235B2 (en) * | 2007-06-07 | 2010-07-20 | Infineon Technologies Ag | Semiconductor device manufacturing methods |
KR20090050699A (ko) * | 2007-11-16 | 2009-05-20 | 주식회사 동부하이텍 | 미세 패턴 제조 방법 및 반도체 소자의 제조 방법 |
KR100944348B1 (ko) * | 2008-05-16 | 2010-03-02 | 주식회사 하이닉스반도체 | 반도체 소자의 형성 방법 |
JP5319247B2 (ja) * | 2008-11-14 | 2013-10-16 | 株式会社東芝 | 半導体装置の製造方法 |
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KR101551416B1 (ko) | 2015-09-08 |
US8304172B2 (en) | 2012-11-06 |
EP2499660A2 (en) | 2012-09-19 |
US20110111348A1 (en) | 2011-05-12 |
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