JP4574624B2 - 半導体装置および半導体装置の製造方法 - Google Patents
半導体装置および半導体装置の製造方法 Download PDFInfo
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- JP4574624B2 JP4574624B2 JP2006546547A JP2006546547A JP4574624B2 JP 4574624 B2 JP4574624 B2 JP 4574624B2 JP 2006546547 A JP2006546547 A JP 2006546547A JP 2006546547 A JP2006546547 A JP 2006546547A JP 4574624 B2 JP4574624 B2 JP 4574624B2
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Description
本実施の形態は、例えばGSM方式などのネットワークを利用して情報を伝送するデジタル携帯電話(移動体通信装置)に使用されるアンテナスイッチモジュールに搭載される半導体装置である。すなわち、本実施の形態は、携帯電話(移動体通信装置)などの送受信切換(切替)用のアンテナスイッチ回路(アンテナスイッチモジュール回路)に用いられる半導体装置(半導体パッケージ)である。
上記実施の形態1では、基板50を用いて半導体装置を製造していたが、本実施の形態では、リードフレームを用いて半導体装置を製造する。
上記実施の形態1および2では、半導体装置に内蔵された半導体チップ54として、ダイオード素子チップ2および抵抗素子チップ3を用いていたが、本実施の形態では、半導体装置1cに内蔵された半導体チップ54は、3端子のトランジスタ素子チップ80を含んでいる。
図52は、本実施の形態の半導体装置1dの要部断面図である。
Claims (26)
- 複数の導体部と、
半導体基板を用いて製造され、その表面に形成された第1表面電極とその裏面に形成された第1裏面電極とを有し、前記導体部上に前記第1裏面電極を対向させて前記第1裏面電極と前記導体部を溶着して搭載されたダイオード素子チップと、
半導体基板を用いて製造され、その表面に形成された第2表面電極とその裏面に形成された第2裏面電極とを有し、前記導体部上に前記第2裏面電極を対向させて前記第2裏面電極と前記導体部を溶着して搭載された抵抗素子チップと、
前記ダイオード素子チップの前記第1表面電極と前記導体部との間、前記抵抗素子チップの前記第2表面電極と前記導体部との間、または前記導体部間を電気的に接続する複数のボンディングワイヤと、
前記複数の前記導体部、前記ダイオード素子チップ、前記抵抗素子チップおよび前記複数のボンディングワイヤを封止する封止樹脂と、
を有することを特徴とする半導体装置。 - 請求項1記載の半導体装置であって、
前記ダイオード素子チップの前記第1裏面電極は、前記ダイオード素子チップを搭載する前記導体部と電気的に接続され、
前記抵抗素子チップの前記第2裏面電極は、前記抵抗素子チップを搭載する前記導体部と電気的に接続され、
前記ダイオード素子チップの前記第1表面電極は、前記ダイオード素子チップおよび前記抵抗素子チップを搭載していない前記導体部と前記ボンディングワイヤを介して電気的に接続され、
前記抵抗素子チップの前記第2表面電極は、前記ダイオード素子チップおよび前記抵抗素子チップを搭載していない前記導体部と前記ボンディングワイヤを介して電気的に接続されていることを特徴とする半導体装置。 - 請求項1記載の半導体装置であって、
前記複数の導体部は、同一形状を有し、第1の方向および前記第1の方向に交差する第2の方向に等間隔で配置されていることを特徴とする半導体装置。 - 請求項1記載の半導体装置であって、
前記ダイオード素子チップの前記第1裏面電極は、Auを含む金属膜で形成され前記ダイオード素子チップを搭載する前記導体部に溶着され、
前記抵抗素子チップの前記第2裏面電極は、Auを含む金属膜で形成され前記抵抗素子チップを搭載する前記導体部に溶着されていることを特徴とする半導体装置。 - 請求項1記載の半導体装置であって、
前記ダイオード素子チップ製造用の半導体基板と、前記抵抗素子チップ製造用の半導体基板とは、同じ材料の半導体基板からなることを特徴とする半導体装置。 - 同一形状を有し、第1の方向および前記第1の方向に交差する第2の方向に等間隔で配置されている複数の導体部と、
その表面に形成された表面電極とその裏面に形成された裏面電極とを有し、前記複数の導体部上に前記裏面電極を対向させて前記裏面電極と前記導体部を溶着して搭載された複数の半導体チップと、
前記半導体チップの前記表面電極と前記導体部との間または前記導体部間を電気的に接続する複数のボンディングワイヤと、
前記複数の前記導体部、前記複数の半導体チップおよび前記複数のボンディングワイヤを封止する封止樹脂と、
を有することを特徴とする半導体装置。 - 請求項6記載の半導体装置であって、
前記半導体チップの前記裏面電極は、前記半導体チップを搭載する前記導体部と電気的に接続され、
前記半導体チップの前記表面電極は、前記半導体チップを搭載していない前記導体部と前記ボンディングワイヤを介して電気的に接続されていることを特徴とする半導体装置。 - 請求項6記載の半導体装置であって、
前記複数の半導体チップは、半導体基板にダイオード素子が形成されたダイオード素子チップと、半導体基板に抵抗素子が形成された抵抗素子チップとを含むことを特徴とする半導体装置。 - 請求項6記載の半導体装置であって、
前記複数のボンディングワイヤは、前記第1の方向に平行な方向に形成されたボンディングワイヤと、前記第2の方向に平行な方向に形成されたボンディングワイヤとを含むことを特徴とする半導体装置。 - (a)複数の導体部を有する基板またはフレームを準備する工程、
(b)前記基板の前記複数の導体部上に、その表面に形成された表面電極とその裏面に形成された裏面電極とを有する複数の半導体チップを前記裏面電極と前記導体部を溶着して搭載する工程、
(c)前記各半導体チップの前記表面電極と前記半導体チップを搭載していない前記導体部との間、または前記導体部間をボンディングワイヤを介して電気的に接続する工程、
(d)前記複数の導体部、前記複数の半導体チップおよび前記ボンディングワイヤを封止樹脂で封止する工程、
を有し、
前記(a)工程で準備された前記基板またはフレームでは、前記複数の導体部は同一形状を有し、第1の方向および前記第1の方向に交差する第2の方向に等間隔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10記載の半導体装置の製造方法であって、
前記(a)工程では、板状部材上に前記複数の導体部がアレイ状に配列した構造の前記基板またはフレームが準備され、
前記(d)工程の後、更に、
(d1)前記板状部材を、前記封止樹脂で封止された前記複数の導体部から除去する工程、
(e)前記(d1)工程後に、前記封止樹脂を切断する工程、
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10記載の半導体装置の製造方法であって、
前記(d)工程の後、更に、
(e)前記封止樹脂を切断する工程、
を有し、
前記(e)工程では、所望の回路に応じて、切断する位置を変更することを特徴とする半導体装置の製造方法。 - 請求項10記載の半導体装置の製造方法であって、
前記複数の半導体チップは、半導体基板にダイオード素子が形成されたダイオード素子チップと、半導体基板に抵抗素子が形成された抵抗素子チップ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10記載の半導体装置の製造方法であって、
前記(c)工程では、所望の回路に応じて、前記各半導体チップの前記表面電極と前記半導体チップを搭載していない前記導体部との間、または前記導体部間をボンディングワイヤを介して電気的に接続することを特徴とする半導体装置の製造方法。 - 請求項10記載の半導体装置の製造方法であって、
前記(b)工程では、前記半導体チップの前記裏面電極がAuを含む金属膜で形成され前記導体部と溶着されることを特徴とする半導体装置の製造方法。 - 請求項10記載の半導体装置の製造方法であって、
前記(c)工程では、第1の方向および前記第1の方向に交差する第2の方向にワイヤボンディングが行われることを特徴とする半導体装置の製造方法。 - (a)主面を有する板状部材を準備する工程、
(b)互いに同一形状であり、かつ、互いに電気的に独立する複数の導体部を準備する工程、
(c)互いに対向する表面および裏面と、前記表面に形成された第1電極と、前記裏面に形成された第2電極とを有する複数の半導体チップを準備する工程、
(d)前記板状部材の主面上に、前記複数の導体部を第1の方向および前記第1の方向に交差する第2の方向に等間隔で配置する工程、
(e)前記導体部上に、前記半導体チップを前記第2電極と前記導体部を溶着して搭載する工程、
(f)前記複数の導体部において前記半導体チップが搭載されていない前記導体部と前記半導体チップの前記第1電極とをボンディングワイヤを介して電気的に接続する工程、
(g)前記複数の導体部、前記複数の半導体チップおよび前記ボンディングワイヤを封止樹脂で封止する工程、 - 請求項17記載の半導体装置の製造方法であって、
前記封止樹脂は互いに対向する表面及び裏面を有し、
前記(h)工程の後、前記複数の導体部の一部が前記封止樹脂の裏面から露出することを特徴とする半導体装置の製造方法。 - 請求項17記載の半導体装置の製造方法であって、
前記(f)工程は、
(f1)前記複数の導体部において前記半導体チップが搭載されていない前記導体部に前記ボンディングワイヤの一端を接続する工程、
(f2)前記(f1)工程の後、前記半導体チップの前記第1電極に前記ボンディングワイヤの他端を接続する工程、
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17記載の半導体装置の製造方法であって、
前記複数の半導体チップは、
表面および前記表面に対向する裏面を有するn型の半導体基板と、
前記半導体基板の表面上に形成され、かつ、前記半導体基板のn型の不純物濃度よりも低いn型の不純物濃度を有するエピタキシャル層と、
前記エピタキシャル層の表面側に形成されたp型の半導体領域と、
前記半導体領域上に形成された前記第1電極と、
前記半導体基板の裏面に形成された前記第2電極と、
を有する半導体チップを含むことを特徴とする半導体装置の製造方法。 - 請求項17記載の半導体装置の製造方法であって、
前記複数の半導体チップは、
表面および前記表面に対向する裏面を有するn型の半導体基板と、
前記半導体基板の表面上に形成され、かつ、前記半導体基板のn型の不純物濃度よりも低いn型の不純物濃度を有するエピタキシャル層と、
前記エピタキシャル層の表面側であり、かつ、前記エピタキシャル層の前記表面側における中心付近以外に形成されたp型の半導体領域と、
前記エピタキシャル層の表面側であり、かつ、前記エピタキシャル層の前記表面側における前記中心付近に形成されたn型の半導体領域と、
前記n型の半導体領域上に形成された前記第1電極と、
前記半導体基板の裏面に形成された前記第2電極と、
を有する半導体チップを含むことを特徴とする半導体装置の製造方法。 - 請求項17記載の半導体装置の製造方法であって、
前記(e)工程では、前記半導体チップの第2電極がAuを含む金属膜で形成され前記導体部と溶着されることを特徴とする半導体装置の製造方法。 - 請求項17記載の半導体装置の製造方法であって、
前記(f)工程は、
(f1)前記第1の方向と平行な方向に前記ボンディングワイヤを接続する工程、
(f2)前記(f1)工程の後、前記第2の方向と平行な方向に前記ボンディングワイヤを接続する工程、
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17記載の半導体装置の製造方法であって、
前記複数の導体部の平面形状は、正方形であることを特徴とする半導体装置の製造方法。 - 請求項17記載の半導体装置の製造方法であって、
前記板状部材は、金属板からなることを特徴とする半導体装置の製造方法。 - 請求項17記載の半導体装置の製造方法であって、
前記複数の半導体チップは、複数種類の半導体チップを有し、
前記(e)工程は、
(e1)前記導体部上に、第1種類の複数の半導体チップを搭載する工程、
(e2)前記(e1)工程の後、前記第1種類とは異なる種類の複数の半導体チップを搭載する工程、
を有することを特徴とする半導体装置の製造方法。
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Citations (5)
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JPS62188294A (ja) * | 1986-02-13 | 1987-08-17 | Nec Corp | レ−ザダイオ−ドの製造方法 |
JPS6434133A (en) * | 1987-07-28 | 1989-02-03 | Mitsubishi Electric Corp | Input protective circuit |
JP2000286102A (ja) * | 1999-03-30 | 2000-10-13 | Sony Corp | 受動部品および固定抵抗器 |
JP2001210743A (ja) * | 2000-01-24 | 2001-08-03 | Nec Corp | 半導体装置及びその製造方法 |
JP2001217338A (ja) * | 2000-01-31 | 2001-08-10 | Sanyo Electric Co Ltd | 回路装置およびその製造方法 |
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JPS62188294A (ja) * | 1986-02-13 | 1987-08-17 | Nec Corp | レ−ザダイオ−ドの製造方法 |
JPS6434133A (en) * | 1987-07-28 | 1989-02-03 | Mitsubishi Electric Corp | Input protective circuit |
JP2000286102A (ja) * | 1999-03-30 | 2000-10-13 | Sony Corp | 受動部品および固定抵抗器 |
JP2001210743A (ja) * | 2000-01-24 | 2001-08-03 | Nec Corp | 半導体装置及びその製造方法 |
JP2001217338A (ja) * | 2000-01-31 | 2001-08-10 | Sanyo Electric Co Ltd | 回路装置およびその製造方法 |
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