JP2011054727A - 半導体装置、その製造方法、及びワイヤボンディング方法 - Google Patents
半導体装置、その製造方法、及びワイヤボンディング方法 Download PDFInfo
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- JP2011054727A JP2011054727A JP2009201810A JP2009201810A JP2011054727A JP 2011054727 A JP2011054727 A JP 2011054727A JP 2009201810 A JP2009201810 A JP 2009201810A JP 2009201810 A JP2009201810 A JP 2009201810A JP 2011054727 A JP2011054727 A JP 2011054727A
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Abstract
【解決手段】半導体装置の製造方法は、半導体ICチップ13の電極パッド14aに金球15によってワイヤの一端をボンディングし、イン−リードにワイヤの他端をボンディングして、電極パッド14aからイン−リードまでのワイヤループ16を形成する工程と、金球15よりイン−リード側の半導体ICチップ13上の所定位置で、ワイヤループ16を半導体ICチップ13側に押し下げるように、バンプ金球17によってワイヤループ16をボンディングする工程とを有し、前記所定位置は、少なくともバンプ金球17よりイン−リード側のワイヤループ16の最上部の高さをバンプ金球17の頂部17aの高さH17よりも低くする位置に設定されている。
【選択図】図6
Description
図1〜図4は、本発明の第1の実施形態に係る半導体装置の製造方法の工程を概略的に示す縦断面図であり、図5は、図4の構造体を概略的に示す平面図である。
図7は、本発明の第2の実施形態に係る半導体装置の製造方法の工程を概略的に示す縦断面図であり、図8は、図7の構造体を概略的に示す平面図であり、図9は、本発明の第2の実施形態に係る半導体装置及びその製造方法を説明するための要部拡大図である。
図10は、本発明の第3の実施形態に係る半導体装置の製造方法の工程を概略的に示す縦断面図であり、図11は、図10の構造体を概略的に示す平面図であり、図12は、第3の実施形態に係る半導体装置及びその製造方法を説明するための要部拡大図である。
Claims (24)
- 半導体ICチップの電極パッドに金球によってワイヤの一端をボンディングし、外部電極端子に前記ワイヤの他端をボンディングして、前記電極パッドから前記外部電極端子までのワイヤループを形成する工程と、
前記金球より前記外部電極端子側の前記半導体ICチップ上の所定位置で、前記ワイヤループを前記半導体ICチップ側に押し下げるように、バンプ金球によって前記ワイヤループをボンディングする工程と
を有し、
前記所定位置は、少なくとも前記バンプ金球より前記外部電極端子側の前記ワイヤループの最上部の高さを前記バンプ金球の頂部よりも低くする位置に設定される
ことを特徴とする半導体装置の製造方法。 - 前記所定位置は、前記ワイヤループの全体の中の最上部の高さを前記バンプ金球の頂部よりも低くする位置に設定され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。
- 前記バンプ金球によって前記ワイヤループをボンディングする前記工程は、前記半導体ICチップの他の電極パッドに前記バンプ金球によって前記ワイヤループをボンディングする工程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。
- 前記電極パッドは、前記金球より前記外部電極端子側にボンディング用領域を有し、
前記バンプ金球によって前記ワイヤループをボンディングする前記工程は、前記電極パッドの前記ボンディング用領域に前記バンプ金球によって前記ワイヤループをボンディングする工程である
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。 - 前記バンプ金球によって前記ワイヤループをボンディングする前記工程は、前記金球の中心位置より前記外部接続端子側に中心位置を持つバンプ金球によって、前記金球上に前記ワイヤループをボンディングする工程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。
- 前記金球によって前記ワイヤの一端をボンディングする前記工程の前に、前記金球より前記外部電極端子側における前記半導体ICチップ上に絶縁膜を形成する工程を有することを特徴とする請求項1乃至5のいずれか1項に記載の半導体装置の製造方法。
- 前記バンプ金球によるボンディング前の前記ワイヤループの最上部の高さは、80μm〜150μmの範囲内であり、
前記バンプ金球によるボンディング後の前記ワイヤループの最上部の高さは、前記ボンディング前の前記ワイヤループの最上部の高さより低い
ことを特徴とする請求項1乃至6のいずれか1項に記載の半導体装置の製造方法。 - 電極パッドを有する半導体ICチップと、
外部電極端子と、
前記半導体ICチップの前記電極パッドと前記外部電極端子とを接続するワイヤループと、
前記ワイヤループの一端を前記電極パッドにボンディング接続する第1のボール金球と、
前記金球より前記外部電極端子側の前記半導体ICチップ上の所定位置で、前記ワイヤループを前記半導体ICチップ側に押し下げるように、前記ワイヤループをボンディング接続するバンプ金球と
を有し、
前記所定位置は、少なくとも前記バンプ金球より前記外部電極端子側の前記ワイヤループの最上部の高さを前記バンプ金球の頂部よりも低くする位置に設定される
ことを特徴とする半導体装置。 - 前記所定位置は、前記ワイヤループの全体の中の最上部の高さを前記バンプ金球の頂部よりも低くする位置に設定されることを特徴とする請求項8に記載の半導体装置。
- 前記半導体ICチップは、前記金球より前記外部電極端子側に他の電極パッドを有し、
前記バンプ金球は、前記他の電極パッドに前記ワイヤループをボンディング接続している
ことを特徴とする請求項8又は9に記載の半導体装置。 - 前記電極パッドは、前記金球より前記外部電極端子側にボンディング用領域を有し、
前記バンプ金球は、前記電極パッドの前記ボンディング用領域に前記ワイヤループをボンディング接続している
ことを特徴とする請求項8又は9に記載の半導体装置。 - 前記バンプ金球は、
前記金球の中心位置よりも前記外部接続端子側に中心位置を持ち、
前記金球上に前記ワイヤループをボンディングしている
ことを特徴とする請求項8又は9に記載の半導体装置の製造方法。 - 前記金球より前記外部電極端子側の前記半導体ICチップ上に形成された絶縁膜をさらに有することを特徴とする請求項8乃至12のいずれか1項に記載の半導体装置。
- 前記バンプ金球によるボンディング前の前記ワイヤループの最上部の高さは、80μm〜150μmの範囲内であり、
前記バンプ金球によるボンディング後の前記ワイヤループの最上部の高さは、前記ボンディング前の前記ワイヤループの最上部の高さより低い
ことを特徴とする請求項8乃至13のいずれか1項に記載の半導体装置。 - インナーリードと、前記インナーリードと離間して形成され、表面に第1の電極と前記第1の電極よりも前記インナーリード側に前記第1の電極と電気的に接続されて形成された第2の電極とを備えた半導体ICチップと、を準備する工程と、
前記第1の電極上に前記第1の電極と電気的に接続する金球を形成する工程と、
前記金球から伸びて、前記第2の電極上を通り前記インナーリードに電気的に接続されるワイヤループを形成する工程と、
前記ワイヤループの一部を、前記ワイヤループ上からバンプ金球で押し付けて前記第2の電極に電気的に接続する工程と、
を有することを特徴とする半導体装置の製造方法。 - インナーリードと、前記インナーリードと離間して形成され、表面に第1の電極と前記第1の電極よりも前記インナーリード側に前記第1の電極と電気的に接続されて形成された第2の電極とを備えた半導体ICチップと、を準備する工程と、
前記第1の電極上に前記第1の電極と電気的に接続する金球を形成する工程と、
前記金球から伸びて、前記第2の電極上を通り前記インナーリードに電気的に接続されるワイヤループを形成する工程と、
前記ワイヤループの一部を、前記ワイヤループ上からバンプ金球で押し付けて前記第2の電極に電気的に接続する工程と、
を有することを特徴とするワイヤボンディング方法。 - インナーリードと、
前記インナーリードと離間して形成され、表面に、第1の電極と、前記第1の電極よりも前記インナーリード側に前記第1の電極と電気的に接続されて形成された第2の電極と、を備えた半導体ICチップと、
前記第1の電極上に前記第1の電極上に電気的に接続されて形成された金球と、
前記金球から伸びて、前記第2の電極及び前記インナーリードと電気的に接続されたワイヤループと、
前記第2の電極上に、前記ワイヤループを介して前記第2の電極と電気的に接続されて形成されたバンプ金球と、
を有することを特徴とする半導体装置。 - 前記ワイヤループの前記半導体ICチップの表面からの高さは、前記バンプ金球の前記半導体ICチップの表面からの高さを超えないことを特徴とする請求項17に記載の半導体装置。
- 前記第2の電極と前記インナーリードとの間の前記半導体ICチップの表面が絶縁膜で覆われていることを特徴とする請求項17又は18に記載の半導体装置。
- 前記第1の電極と前記第2の電極とが一体的に形成されていることを特徴とする請求項17乃至19のいずれかに記載の半導体装置。
- インナーリードと、表面に第1の電極を備えて前記インナーリードと離間して形成された半導体ICチップと、を準備する工程と、
前記第1の電極上に前記第1の電極と電気的に接続する金球を形成する工程と、
前記金球から伸びて前記インナーリードに電気的に接続されるワイヤループを形成する工程と、
前記ワイヤループの一部を、前記ワイヤループ上から前記金球に対してバンプ金球で押し付ける工程と、
を有することを特徴とする半導体装置の製造方法。 - インナーリードと、表面に第1の電極を備えて前記インナーリードと離間して形成された半導体ICチップと、を準備する工程と、
前記第1の電極上に前記第1の電極と電気的に接続する金球を形成する工程と、
前記金球から伸びて前記インナーリードに電気的に接続されるワイヤループを形成する工程と、
前記ワイヤループの一部を、前記ワイヤループ上から前記金球に対してバンプ金球で押し付ける工程と、
を有することを特徴とするワイヤボンディング方法。 - インナーリードと、
前記インナーリードと離間して形成され、表面に第1の電極を備えた半導体ICチップと、
前記第1の電極上に前記第1の電極上に電気的に接続されて形成された金球と、
前記金球から伸びて前記インナーリードに電気的に接続されたワイヤループと、
前記第1の電極上に、前記ワイヤループを介して前記第1の電極と電気的に接続されて形成されたバンプ金球と、
を有することを特徴とする半導体装置。 - 前記ワイヤループの前記半導体ICチップの表面からの高さは、前記バンプ金球の前記半導体ICチップの表面からの高さを超えないことを特徴とする請求項23に記載の半導体装置。
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KR20200036660A (ko) * | 2018-09-28 | 2020-04-07 | 삼성전자주식회사 | 본딩 와이어, 이를 포함하는 반도체 패키지, 및 와이어 본딩 방법 |
KR102621753B1 (ko) | 2018-09-28 | 2024-01-05 | 삼성전자주식회사 | 본딩 와이어, 이를 포함하는 반도체 패키지, 및 와이어 본딩 방법 |
JP2021141237A (ja) * | 2020-03-06 | 2021-09-16 | 三菱電機株式会社 | 半導体装置 |
JP7334655B2 (ja) | 2020-03-06 | 2023-08-29 | 三菱電機株式会社 | 半導体装置 |
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