JP2007103423A - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- JP2007103423A JP2007103423A JP2005287775A JP2005287775A JP2007103423A JP 2007103423 A JP2007103423 A JP 2007103423A JP 2005287775 A JP2005287775 A JP 2005287775A JP 2005287775 A JP2005287775 A JP 2005287775A JP 2007103423 A JP2007103423 A JP 2007103423A
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- semiconductor chip
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Abstract
【解決手段】 1列目の複数の第1の配線は、複数の第1の接続部の夫々から半導体チップの一辺に向かって延在し、複数の第2の配線は、複数の第2の接続部の夫々から半導体チップの一辺と反対側に向かって延在している。
【選択図】 図6
Description
(1)半導体装置は、
主面に形成され、かつ前記主面の一辺に沿って配置された複数の電極パッドを有する半導体チップと、
主面に前記半導体チップが搭載された配線基板と、
前記配線基板の前記主面に形成され、かつ前記半導体チップの前記一辺に沿って配置された複数の第1の接続部と、
前記配線基板の前記主面に形成され、かつ前記半導体チップの前記一辺から前記複数の第1の接続部よりも離れた位置に前記半導体チップの前記一辺に沿って配置された複数の第2の接続部と、
前記配線基板の前記主面に形成され、かつ前記複数の第1の接続部に夫々繋がる複数の第1の配線と、
前記配線基板の前記主面に形成され、かつ前記複数の第2の接続部に夫々繋がる複数の第2の配線と、
前記複数の電極パッドと、前記複数の第1及び第2の接続部とを夫々接続する複数のボンディングワイヤと、
前記半導体チップ、及び前記複数のボンディングワイヤを封止する樹脂封止体とを有し、
前記複数の第1の配線は、前記複数の第1の接続部の夫々から前記半導体チップの前記一辺に向かって延在し、
前記複数の第2の配線は、前記複数の第2の接続部の夫々から前記半導体チップの前記一辺と反対側に向かって延在している。
(2)前記手段(1)において、
前記複数の第1の配線の一端部は、前記複数の第1の接続部に夫々繋がり、
前記複数の第2の配線の一端部は、前記複数の第2の接続部に夫々繋がっている。
(3)前記手段(1)において、
前記第1の接続部の配列ピッチ、及び前記第2の接続部の配列ピッチは、前記電極パッドの配列ピッチの2倍である。
(4)前記手段(1)において、
前記第1及び第2の接続部、並びに前記電極パッドは、平面が方形状で形成され、
前記第1の接続部の一辺は、対応する前記電極パッドの一辺と向かい合っており、
前記第2の接続部の一辺は、対応する前記電極パッドの一辺と向かい合っている。
(5)前記手段(1)において、
前記第2の接続部は、隣り合う2つの前記第1の接続部の間に配置されている。
(6)前記手段(5)において、
前記第2の接続部は、前記2つの第1の接続部における配列ピッチの中間に配置されている。
(7)前記手段(1)において、
前記配線基板は、表層及び内層の配線層を有する多層配線構造になっている。
(8)前記手段(1)において、
前記配線基板は、表層及び内層の配線層を有する多層配線構造のビルドアップ基板である。
(9)前記手段(1)において、
前記配線基板は、表層及び内層の配線層を有する多層配線構造のセミアディティブ基板である。
(10)半導体装置の製造において、
(a)主面に形成され、かつ前記主面の一辺に沿って第1の電極パッド、第2の電極パッド及び第3の電極パッドがこの順番で繰り返し配置された半導体チップを準備する工程と、
(b)前記半導体チップが搭載されるチップ搭載部と、前記チップ搭載部の外側に前記複数の第1の電極パッドに対応して前記半導体チップの一辺に沿って配置された複数の第1の接続部と、前記半導体チップの一辺から前記複数の第1の接続部よりも離れた位置に前記複数の第2の電極パッドに対応して前記半導体チップの一辺に沿って配置された複数の第2の接続部と、前記半導体チップの一辺から前記複数の第2の接続部よりも離れた位置に前記複数の第3の電極パッドに対応して前記半導体チップの一辺に沿って配置された複数の第3の接続部とを有する配線基板を準備する工程と、
(c)前記複数の第1の接続部が前記半導体チップの一辺に沿う状態で前記配線基板のチップ搭載部に前記半導体チップを搭載する工程と、
(d)前記複数の第1の電極パッドと前記複数の第1の接続部とを複数の第1のボンディングワイヤで夫々電気的に接続する工程と、
(e)前記複数の第2の電極パッドと前記複数の第2の接続部とを前記複数の第1のボンディングワイヤよりもループ高さが高い複数の第2のボンディングワイヤで夫々電気的に接続する工程と、
(f)前記複数の第3の電極パッドと前記複数の第3の接続部とを前記第2のボンディングワイヤよりもループ高さが高い複数の第3のボンディングワイヤで夫々電気的に接続する工程と、
(g)前記半導体チップ、及び前記複数の第1乃至第3のボンディングワイヤを樹脂で封止する工程とを有し、
前記複数の第1乃至第3のボンディングワイヤは、前記半導体チップの一辺の中心を横切って前記半導体チップの一辺と直行する仮想線に対して鋭角をなす角度で延在し、
前記第3のボンディングワイヤと前記第3の電極パッドとの接続は、前記第1のボンディングワイヤと前記第1の電極パッドとの接続よりも前記半導体チップの一辺から離れた位置で行われ、
前記(e)工程、(d)工程、及び(f)工程は、この順番で行われる。
(11)前記手段(10)において、
前記第2のボンディングワイヤと前記第2の電極パッドとの接続は、前記第3のボンディングワイヤと前記第3の電極パッドとの接続よりも前記半導体チップの一辺から近い位置で行われる。
(12)前記手段(10)において、
前記第2のボンディングワイヤと前記第2の電極パッドとの接続は、前記第1のボンディングワイヤと前記第1の電極パッドとの接続よりも前記半導体チップの一辺から離れた位置で行われる。
(13)前記手段(10)において、
前記複数の第1乃至第3の電極パッドは、互いに反対側に位置する2つの長辺が前記半導体チップの一辺から遠ざかる方向に沿って延在する長方形状の平面形状になっている。
図1は、半導体装置の内部構造を示す模式的平面図、
図2は、図1におけるボンディングワイヤの一部を省略して示す模式的平面図、
図3は、図1のa’−a’線に沿う模式的断面図、
図4は、図1のb’−b’線に沿う模式的断面図、
図5は、図1の一部(部分A)を簡略化して示す模式的平面図、
図6は、図5におけるボンディングワイヤを削除して示す模式的平面図、
図7は、図5のc’−c’線に沿う模式的断面図、
図8は、図5のd’−d’線に沿う模式的断面図、
図9は、図1の一部(部分B)を簡略化して示す模式的平面図である。
図10は、図9のボンディングワイヤを削除して示す模式的平面図、
図11は、図9のe’−e’線に沿う模式的断面図、
図12は、図9のf’−f’線に沿う模式的断面図、
図13は、図9のg’−g’線に沿う模式的断面図、
図14乃至図16は、半導体装置の製造において、ワイヤボンディング工程を示す模式的平面図である。
1列目の複数の電極パッド3b1とこれに対応する複数の電極パッド6b(a)とを複数のボンディングワイヤ10b1で夫々電気的に接続する工程、2列目の複数の電極パッド3b2とこれに対応する複数の電極パッド6b(b)とを複数のボンディングワイヤ10b2で夫々電気的に接続する工程、及び3列目の複数の電極パッド3b3とこれに対応する複数の電極パッド6b(c)とを複数のボンディングワイヤ10b3で夫々電気的に接続する工程を、この順番で行う。
ボンディングワイヤ10b3と3列目の電極パッド3b3との接続、並びにボンディングワイヤ10b2と2列目の電極パッド3b2との接続は、ボンディグワイヤ10b1と1列目の電極パッド3b1との接続よりも半導体チップ5の第2の辺5bから離れた位置で行う。
2…配線基板、3a1,3a2,3b1,3b2,3b3,3c,3d,3e…電極パッド(接続部)、4a,4b…配線、
5…半導体チップ、5a,5b,5c,5d…第1〜第4の辺、6a,6b,6c,6d…電極パッド(ボンディングパッド)、
7,8…半導体チップ、9…電極パッド(ボンディングパッド)、
10a1,10a2,10b1,10b2,10b3,10c,10d,10e…ボンディングワイヤ、11…樹脂封止体、12…半田バンプ。
Claims (21)
- 主面に形成され、かつ前記主面の一辺に沿って配置された複数の電極パッドを有する半導体チップと、
主面に前記半導体チップが搭載された配線基板と、
前記配線基板の前記主面に形成され、かつ前記半導体チップの前記一辺に沿って配置された複数の第1の接続部と、
前記配線基板の前記主面に形成され、かつ前記半導体チップの前記一辺から前記複数の第1の接続部よりも離れた位置に前記半導体チップの前記一辺に沿って配置された複数の第2の接続部と、
前記配線基板の前記主面に形成され、かつ前記複数の第1の接続部に夫々繋がる複数の第1の配線と、
前記配線基板の前記主面に形成され、かつ前記複数の第2の接続部に夫々繋がる複数の第2の配線と、
前記複数の電極パッドと、前記複数の第1及び第2の接続部とを夫々接続する複数のボンディングワイヤと、
前記半導体チップ、及び前記複数のボンディングワイヤを封止する樹脂封止体とを有し、
前記複数の第1の配線は、前記複数の第1の接続部の夫々から前記半導体チップの前記一辺に向かって延在し、
前記複数の第2の配線は、前記複数の第2の接続部の夫々から前記半導体チップの前記一辺と反対側に向かって延在していることを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記複数の第1の配線の一端部は、前記複数の第1の接続部に夫々繋がり、
前記複数の第2の配線の一端部は、前記複数の第2の接続部に夫々繋がっていることを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記第1の接続部の配列ピッチ、及び前記第2の接続部の配列ピッチは、前記電極パッドの配列ピッチの2倍であることを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記第1及び第2の接続部、並びに前記電極パッドは、平面が方形状で形成され、
前記第1の接続部の一辺は、対応する前記電極パッドの一辺と向かい合っており、
前記第2の接続部の一辺は、対応する前記電極パッドの一辺と向かい合っていることを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記第2の接続部は、隣り合う2つの前記第1の接続部の間に配置されていることを特徴とする半導体装置。 - 請求項5に記載の半導体装置において、
前記第2の接続部は、前記2つの第1の接続部における配列ピッチの中間に配置されていることを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記配線基板は、表層及び内層の配線層を有する多層配線構造になっていることを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記配線基板は、表層及び内層の配線層を有する多層配線構造のビルドアップ基板であることを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記配線基板は、表層及び内層の配線層を有する多層配線構造のセミアディティブ基板であることを特徴とする半導体装置。 - 請求項7乃至請求項9のうち何れか1項に記載の半導体装置において、
前記第1の配線は、前記配線基板の周囲まで引き回されたメッキ配線と接続されていることを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記配線基板の主面に搭載された第2の半導体チップを更に有し、
前記複数の第1及び第2の接続部は、前記半導体チップと前記第2の半導体チップとの間に配置されていることを特徴とする半導体装置。 - (a)主面に形成され、かつ前記主面の一辺に沿って第1の電極パッド、第2の電極パッド及び第3の電極パッドがこの順番で繰り返し配置された半導体チップを準備する工程と、
(b)前記半導体チップが搭載されるチップ搭載部と、前記チップ搭載部の外側に前記複数の第1の電極パッドに対応して前記半導体チップの一辺に沿って配置された複数の第1の接続部と、前記半導体チップの一辺から前記複数の第1の接続部よりも離れた位置に前記複数の第2の電極パッドに対応して前記半導体チップの一辺に沿って配置された複数の第2の接続部と、前記半導体チップの一辺から前記複数の第2の接続部よりも離れた位置に前記複数の第3の電極パッドに対応して前記半導体チップの一辺に沿って配置された複数の第3の接続部とを有する配線基板を準備する工程と、
(c)前記複数の第1の接続部が前記半導体チップの一辺に沿う状態で前記配線基板のチップ搭載部に前記半導体チップを搭載する工程と、
(d)前記複数の第1の電極パッドと前記複数の第1の接続部とを複数の第1のボンディングワイヤで夫々電気的に接続する工程と、
(e)前記複数の第2の電極パッドと前記複数の第2の接続部とを前記複数の第1のボンディングワイヤよりもループ高さが高い複数の第2のボンディングワイヤで夫々電気的に接続する工程と、
(f)前記複数の第3の電極パッドと前記複数の第3の接続部とを前記第2のボンディングワイヤよりもループ高さが高い複数の第3のボンディングワイヤで夫々電気的に接続する工程と、
(g)前記半導体チップ、及び前記複数の第1乃至第3のボンディングワイヤを樹脂で封止する工程とを有し、
前記複数の第1乃至第3のボンディングワイヤは、前記半導体チップの一辺の中心を横切って前記半導体チップの一辺と直行する仮想線に対して鋭角をなす角度で延在し、
前記第3のボンディングワイヤと前記第3の電極パッドとの接続は、前記第1のボンディングワイヤと前記第1の電極パッドとの接続よりも前記半導体チップの一辺から離れた位置で行われ、
前記(e)工程、(d)工程、及び(f)工程は、この順番で行われることを特徴とする半導体装置の製造方法。 - 請求項12に記載の半導体装置の製造方法において、
前記第2のボンディングワイヤと前記第2の電極パッドとの接続は、前記第3のボンディングワイヤと前記第3の電極パッドとの接続よりも前記半導体チップの一辺から近い位置で行われることを特徴とする半導体装置の製造方法。 - 請求項12に記載の半導体装置の製造方法において、
前記第2のボンディングワイヤと前記第2の電極パッドとの接続は、前記第1のボンディングワイヤと前記第1の電極パッドとの接続よりも前記半導体チップの一辺から離れた位置で行われることを特徴とする半導体装置の製造方法。 - 請求項12に記載の半導体装置の製造方法において、
前記(e)工程、(d)工程、及び(f)工程は、前記半導体チップの一辺の一端側から他端側に向かって行われることを特徴とする半導体装置の製造方法。 - 請求項12に記載の半導体装置の製造方法において、
前記(e)工程、(d)工程、及び(f)工程は、前記半導体チップの一辺の一端側及び他端側から前記半導体チップの一辺の中心に向かって行われることを特徴とする半導体装置の製造方法。 - 請求項12に記載の半導体装置の製造方法において、
前記(e)工程、(d)工程、及び(f)工程は、前記半導体チップの一辺の中心から前記半導体チップの一辺の一端側及び他端側に向かって行われることを特徴とする半導体装置の製造方法。 - 請求項12に記載の半導体装置の製造方法において、
前記複数の第2の接続部は、前記仮想線から数えて前記第3の接続部と同じ段数に位置する前記第2の接続部が前記第3の接続部よりも前記仮想線から離れる状態で配置され、
前記複数の第1の接続部は、前記仮想線から数えて前記第2の接続部と同じ段数に位置する前記第1の接続部が前記第2の接続部よりも前記仮想線から離れる状態で配置さ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12に記載の半導体装置の製造方法において、
前記第2の接続部は、隣り合う2つの前記第1の接続部の間に配置され、
前記第3の接続部は、隣り合う2つの前記第2の接続部の間に配置さ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12に記載の半導体装置の製造方法において、
前記複数の第1乃至第3の電極パッドは、互いに反対側に位置する2つの長辺が前記半導体チップの一辺から遠ざかる方向に沿って延在する長方形状の平面形状になっていることを特徴とする半導体装置の製造方法。 - 請求項12に記載の半導体装置の製造方法において、
前記配線基板は、平面が長方形で形成され、
前記複数の第1乃至第3の接続部は、前記配線基板の短辺に沿って配置されていることを特徴とする半導体装置の製造方法。
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