JP5582811B2 - 半導体装置及びその製造方法 - Google Patents
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Description
Claims (10)
- 表面に電極を有する半導体チップをウェハの主面に形成した後に、前記電極の上面にプローブ針を当接して前記半導体チップの特性を測定する工程を含み、前記プローブ針の当接により前記電極より生じた残渣物が、前記電極の前記上面上及び前記半導体チップの前記表面上の少なくとも一方に残留するウェハ準備工程と、
前記電極の前記上面の少なくとも一部を露出させる第1の開口部を有する第1のレジストパターンを形成する第1のパターン形成工程と、
前記第1のレジストパターンの前記第1の開口部に導電性材料を埋め込むことで導電性ポストを形成する第1のポスト形成工程と、
前記第1のポスト形成工程の後に、前記第1のレジストパターンを除去する第1のレジスト除去工程と、
前記導電性ポスト上に第2の開口部を有する層間絶縁膜を形成する絶縁膜形成工程と、
前記層間絶縁膜の前記第2の開口部における前記導電性ポストの前記上面上から前記層間絶縁膜上に延在する導電膜層を形成する導電膜層形成工程と、を備え、
前記残渣物は、前記導電性ポスト及び前記層間絶縁膜の少なくとも一方に埋め込まれている
ことを特徴とする半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法であって、
前記残渣物は、前記層間絶縁膜よりも小さな熱膨張係数を有することを特徴とする半導体装置の製造方法。 - 請求項1または2に記載の半導体装置の製造方法であって、
前記導電膜層形成工程の前に、前記層間絶縁膜の前記第2の開口部における前記導電性ポストの前記上面上及び前記層間絶縁膜の前記上面上に下地金属膜を形成する下地金属膜形成工程をさらに備え、
前記導電膜層形成工程において、前記導電膜層は、前記下地金属膜上に形成される
ことを特徴とする半導体装置の製造方法。 - 請求項1または2に記載の半導体装置の製造方法であって、
前記導電膜層形成工程は、
少なくとも前記導電性ポストの直上に第3の開口部を有する第2のレジストパターンを前記下地金属膜上に形成する第2のパターン形成工程と、
前記第2のレジストパターンの前記第3の開口部に前記導電膜層の材料である導電性材料を埋め込む導電性材料埋め込み工程と、
前記導電性材料埋め込み工程の後に、前記第2のレジストパターンを除去するとともに、前記導電性材料からなる前記導電膜層を阻止膜として用いて前記下地金属膜の一部を前記層間絶縁膜の前記上面上から除去する第2のレジスト除去工程と
を含むことを特徴とする半導体装置の製造方法。 - 請求項1から4のうちのいずれか1項に記載の半導体装置の製造方法であって、前記絶縁膜形成工程において、前記層間絶縁膜は、絶縁膜材料を塗布し熱処理を行うことにより形成されることを特徴とする半導体装置の製造方法。
- 請求項1から5のうちのいずれか1項に記載の半導体装置の製造方法であって、
前記第1のパターン形成工程の前に、前記半導体チップ上に下層下地金属膜を形成する工程をさらに備え、
前記半導体チップは、前記電極の前記上面の一部を除く領域を被覆するパッシべーション膜を含み、
前記下層下地金属膜は、前記パッシべーション膜の上面と前記電極の前記上面とに接するように形成され、
前記第1のパターン形成工程において、前記第1のレジストパターンは、前記下層下地金属膜上に形成される
ことを特徴とする半導体装置の製造方法。 - 請求項6に記載の半導体装置の製造方法であって、
前記導電性ポストを阻止膜として用いて前記下層下地金属膜の一部を前記パッシベーション膜の前記上面上から除去する下層下地金属膜除去工程
をさらに備えることを特徴とする半導体装置の製造方法。 - 請求項1から7のうちのいずれか1項に記載の半導体装置の製造方法であって、
前記導電膜層上に該導電膜層と電気的に接続される電極端子を形成する工程をさらに備えることを特徴とする半導体装置の製造方法。 - 表面に電極を有する半導体チップが形成された主面を有するウェハと、
前記電極の上面に対するプローブ針の当接により前記電極より生じ、前記電極の前記上面上及び前記半導体チップの前記表面上の少なくとも一方に残留する残渣物と、
前記半導体チップが有する前記電極の直上に形成され前記電極と電気的に接続された導電性ポストと、
前記半導体チップと前記導電性ポストの上面端部とを被覆し前記導電性ポスト上に開口部を有する層間絶縁膜と、
前記層間絶縁膜の前記開口部における前記導電性ポストの上面から前記層間絶縁膜上に延在する導電膜層と、を備え、
前記残渣物は、前記導電性ポスト及び前記層間絶縁膜の少なくとも一方に埋め込まれている
ことを特徴とする半導体装置。 - 請求項9に記載の半導体装置であって、
前記残渣物は、前記層間絶縁膜よりも小さな熱膨張係数を有する、
ことを特徴とする半導体装置。
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| JP2010030277A JP5582811B2 (ja) | 2010-02-15 | 2010-02-15 | 半導体装置及びその製造方法 |
| US12/929,749 US8183147B2 (en) | 2010-02-15 | 2011-02-14 | Method of fabricating a conductive post on an electrode |
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| JP2010030277A JP5582811B2 (ja) | 2010-02-15 | 2010-02-15 | 半導体装置及びその製造方法 |
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| JP2014144668A Division JP5873146B2 (ja) | 2014-07-15 | 2014-07-15 | 半導体装置 |
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| JP2011166072A JP2011166072A (ja) | 2011-08-25 |
| JP5582811B2 true JP5582811B2 (ja) | 2014-09-03 |
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| JP2006128662A (ja) * | 2004-09-30 | 2006-05-18 | Taiyo Yuden Co Ltd | 半導体装置およびその実装体 |
| JP2007073681A (ja) * | 2005-09-06 | 2007-03-22 | Renesas Technology Corp | 半導体装置およびその製造方法 |
| JP4611943B2 (ja) | 2006-07-13 | 2011-01-12 | Okiセミコンダクタ株式会社 | 半導体装置 |
| JP2009212481A (ja) * | 2007-04-27 | 2009-09-17 | Sharp Corp | 半導体装置及び半導体装置の製造方法 |
| JP2009246218A (ja) * | 2008-03-31 | 2009-10-22 | Renesas Technology Corp | 半導体装置の製造方法および半導体装置 |
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| US20110198748A1 (en) | 2011-08-18 |
| JP2011166072A (ja) | 2011-08-25 |
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