JP4210581B2 - 半導体素子の多孔性物質膜を形成する方法 - Google Patents
半導体素子の多孔性物質膜を形成する方法 Download PDFInfo
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Description
前記実施例によるいろいろの多孔性BPSG膜の特性を測定するために次のような方法を用いて試料を製作した。
13 層間絶縁膜、
13a 多孔性層間絶縁膜、
15 配線ブルーブ、
17 ビアホール、
19 拡散防止膜、
19a 拡散防止膜パターン、
21 金属膜(導電膜)、
21a 金属配線、
51 気孔(ホウ素に起因して生成されたボイド)、
53 気孔(燐に起因して生成されたボイド)。
Claims (17)
- 基板上に水分子と反応する不純物を含有する物質膜を形成して、
前記物質膜を有する基板を大気圧より高い高圧力下でそして水蒸気内で加熱して前記物質膜内に気孔を生成させることを含むことを特徴とする多孔性物質膜形成方法であって、
前記物質膜が絶縁膜であり、該絶縁膜は、ふっ素原子を含有するBPSG膜またはふっ素原子を含有するBSG膜であることを特徴とする多孔性物質膜形成方法。 - 前記絶縁膜は、ふっ素原子を含有するBPSG膜またはふっ素原子を含有するBSG膜で形成するが、前記不純物はホウ素(B)原子及び/または燐(P)原子であることを特徴とする請求項1に記載の多孔性物質膜形成方法。
- 前記基板は、85℃ないし150℃の温度で加熱することを特徴とする請求項1に記載の多孔性物質膜形成方法。
- 前記水蒸気は、85%ないし100%の湿度を有することを特徴とする請求項1に記載
の多孔性物質膜形成方法。 - 前記高圧力は、2気圧ないし5気圧であることを特徴とする請求項1に記載の多孔性物質膜形成方法。
- 前記気孔は、前記水蒸気内の水分子と反応した前記不純物の排出により生成されることを特徴とする請求項1に記載の多孔性物質膜形成方法。
- 前記気孔を生成させた後に、前記気孔を有する基板をベーキングして前記物質膜内に残存する水分を除去することをさらに含むことを特徴とする請求項1に記載の多孔性物質膜形成方法。
- 前記ベーキングは、水素ガス及び窒素ガスを雰囲気ガスとして用いて前記気孔を有する基板を350℃ないし400℃に加熱することを含むことを特徴とする請求項7に記載の多孔性物質膜形成方法。
- 前記物質膜内の水分を除去した後に、前記水分が除去された基板上に紫外線を照射して前記物質膜内に残存するシラノールグループを除去することをさらに含むことを特徴とする請求項7に記載の多孔性物質膜形成方法。
- 半導体基板上に水分子と反応する不純物を含有する層間絶縁膜を形成して、
前記層間絶縁膜を有する半導体基板をチャンバー内にローディングさせて、
前記チャンバー内に水蒸気を提供して前記チャンバーの圧力を大気圧より高い高圧力に増加させて前記チャンバー内の前記半導体基板を加熱して、前記層間絶縁膜内に気孔を生成させて、
前記気孔を有する半導体基板を水素ガス及び窒素ガスを雰囲気ガスとして用いてベーキングして前記層間絶縁膜内に残存する水分を除去して、
前記水分が除去された層間絶縁膜内にデュアルダマシン(Dual Damascene)工程を用いて金属配線を形成することを含む半導体素子の製造方法であって、
前記層間絶縁膜は、ふっ素原子を含有するBPSG膜またはふっ素原子を含有するBSG膜であることを含む半導体素子の製造方法。 - 前記層間絶縁膜は、ふっ素原子を含有するBPSG膜またはふっ素原子を含有するBSG膜であるが、前記不純物はホウ素(B)原子及び/または燐(P)原子であることを特徴とする請求項10に記載の半導体素子の製造方法。
- 前記水蒸気は、85%ないし100%の湿度を有することを特徴とする請求項10に記載の半導体素子の製造方法。
- 前記高圧力は、2気圧ないし5気圧であることを特徴とする請求項10に記載の半導体素子の製造方法。
- 前記チャンバー内の前記半導体基板は、85℃ないし150℃の温度で加熱することを特徴とする請求項10に記載の半導体素子の製造方法。
- 前記気孔は、前記水蒸気内の水分子と反応した前記不純物の排出により生成されることを特徴とする請求項10に記載の半導体素子の製造方法。
- 前記金属配線等の形成前に、前記層間絶縁膜内の水分が除去された基板上に紫外線を照射して前記層間絶縁膜内のシラノールグループを除去することをさらに含むことを特徴とする請求項10に記載の半導体素子の製造方法。
- 前記金属配線は、銅膜で形成することを特徴とする請求項10に記載の半導体素子の製造方法。
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KR10-2002-0069262A KR100481181B1 (ko) | 2002-11-08 | 2002-11-08 | 반도체소자의 다공성 물질막을 형성하는 방법 |
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JP2004165660A JP2004165660A (ja) | 2004-06-10 |
JP4210581B2 true JP4210581B2 (ja) | 2009-01-21 |
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JP4194508B2 (ja) * | 2004-02-26 | 2008-12-10 | 三洋電機株式会社 | 半導体装置の製造方法 |
CN100461343C (zh) * | 2005-09-28 | 2009-02-11 | 中芯国际集成电路制造(上海)有限公司 | 用于半导体器件的使用预处理的材料原子层沉积的方法 |
US7335575B2 (en) * | 2006-02-03 | 2008-02-26 | International Business Machines Corporation | Semiconductor constructions and semiconductor device fabrication methods |
JP4539684B2 (ja) * | 2007-06-21 | 2010-09-08 | 株式会社デンソー | 炭化珪素半導体装置およびその製造方法 |
US9917055B2 (en) * | 2015-03-12 | 2018-03-13 | Sii Semiconductor Corporation | Semiconductor device having fuse element |
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JPS586138A (ja) * | 1981-07-02 | 1983-01-13 | Matsushita Electronics Corp | リンケイ酸ガラス被膜の平担化方法 |
JPS6218040A (ja) * | 1985-07-17 | 1987-01-27 | Matsushita Electronics Corp | リンケイ酸ガラス被膜の平坦化方法 |
JP3042127B2 (ja) * | 1991-09-02 | 2000-05-15 | 富士電機株式会社 | 酸化シリコン膜の製造方法および製造装置 |
JP3237888B2 (ja) * | 1992-01-31 | 2001-12-10 | キヤノン株式会社 | 半導体基体及びその作製方法 |
US5470802A (en) * | 1994-05-20 | 1995-11-28 | Texas Instruments Incorporated | Method of making a semiconductor device using a low dielectric constant material |
US6130152A (en) * | 1995-11-16 | 2000-10-10 | Texas Instruments Incorporated | Aerogel thin film formation from multi-solvent systems |
JP2000323604A (ja) * | 1999-05-10 | 2000-11-24 | Hitachi Ltd | 半導体装置とその製造方法、およびこれを用いた電子機器 |
US6541367B1 (en) * | 2000-01-18 | 2003-04-01 | Applied Materials, Inc. | Very low dielectric constant plasma-enhanced CVD films |
EP1124252A2 (en) * | 2000-02-10 | 2001-08-16 | Applied Materials, Inc. | Apparatus and process for processing substrates |
US6451712B1 (en) * | 2000-12-18 | 2002-09-17 | International Business Machines Corporation | Method for forming a porous dielectric material layer in a semiconductor device and device formed |
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JP2004165660A (ja) | 2004-06-10 |
KR100481181B1 (ko) | 2005-04-07 |
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