JP2006190771A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2006190771A JP2006190771A JP2005000735A JP2005000735A JP2006190771A JP 2006190771 A JP2006190771 A JP 2006190771A JP 2005000735 A JP2005000735 A JP 2005000735A JP 2005000735 A JP2005000735 A JP 2005000735A JP 2006190771 A JP2006190771 A JP 2006190771A
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Abstract
【解決手段】 主面3aに形成された複数の端子3mと、裏面3bに形成された複数のランド3dと、レーザ加工によって複数のランド3dそれぞれの上部に形成されたスルーホール3eと、スルーホール3e内に配置され、かつ端子3mとランド3dを電気的に接続するメッキ膜3gとを有するパッケージ基板3と、パッケージ基板3の主面3aに搭載された半導体チップ1と、半導体チップ1のパッド1cとパッケージ基板3とを接続する導電性ワイヤ4と、パッケージ基板3のランド3dに設けられた複数の半田バンプ8とからなり、スルーホール3eがレーザ加工で形成されたことにより、スルーホール3eの開口部3jが小さいため、スルーホール3eの直下に半田バンプ8を配置することが可能になり、CSP7(半導体装置)の小型化を図ることができる。
【選択図】 図4
Description
図1は本発明の実施の形態1の半導体装置の構造の一例を示す平面図、図2は図1に示す半導体装置において封止体と半導体チップを透過して配線基板の主面側の導体パターンの一例を示す平面図、図3は図1に示す半導体装置の構造の一例を示す断面図、図4は図3に示すA部の構造を示す拡大部分断面図、図5は図1に示す半導体装置に組み込まれる配線基板の構造の一例を示す平面図、図6は図5に示す配線基板の構造の一例を示す断面図、図7は図6に示すA部の構造を示す拡大部分断面図、図8は図1に示す半導体装置の組み立てにおける樹脂モールドまでの組み立ての一例を示す製造プロセスフロー図、図9は図1に示す半導体装置の組み立てにおける樹脂モールド後の組み立ての一例を示す製造プロセスフロー図、図10は本発明の実施の形態1の変形例の配線基板の主面側の導体パターンを示す平面図、図11は図10に示す配線基板の構造を示す断面図、図12は図11に示すA部の構造を示す拡大部分断面図、図13は本発明の実施の形態1の変形例の配線基板の構造を示す断面図、図14は図13に示すA部の構造を示す拡大部分断面図、図15は本発明の実施の形態1の変形例の配線基板の構造を示す断面図、図16は図15に示すA部の構造を示す拡大部分断面図、図17は本発明の実施の形態1の変形例の配線基板の主面側の導体パターンを示す平面図、図18は本発明の実施の形態1の変形例の配線基板の主面側の導体パターンを示す平面図、図19は図18に示す配線基板の構造を示す断面図、図20は図19に示すA部の構造を示す拡大部分断面図である。
図21は本発明の実施の形態2の半導体装置において封止体と半導体チップを透過して配線基板の主面側の導体パターンの一例を示す平面図、図22は図21に示す半導体装置の構造の一例を示す断面図、図23は図22に示すA部の構造を示す拡大部分断面図、図24は図21に示す半導体装置に組み込まれる配線基板の構造の一例を示す平面図、図25は図24に示す配線基板の構造の一例を示す断面図、図26は図25に示すA部の構造を示す拡大部分断面図、図27は本発明の実施の形態2の変形例の半導体装置において封止体と半導体チップを透過して配線基板の主面側の導体パターンを示す平面図、図28は図27に示す半導体装置の構造の一例を示す断面図、図29は図28に示すA部の構造を示す拡大部分断面図である。
図30は本発明の実施の形態3の半導体装置において封止体と半導体チップを透過して配線基板の主面側の導体パターンの一例を示す平面図、図31は図30に示す半導体装置の構造の一例を示す断面図、図32は図31に示すA部の構造を示す拡大部分断面図、図33は図30に示す半導体装置に組み込まれる配線基板の構造の一例を示す平面図、図34は図33に示す配線基板の構造の一例を示す断面図、図35は図34に示すA部の構造を示す拡大部分断面図、図36は本発明の実施の形態3の変形例の配線基板の主面側の導体パターンを示す平面図である。
1a 主面
1b 裏面
1c パッド(電極)
2 接着剤
3 パッケージ基板(配線基板)
3a 主面
3b 裏面
3c 基材
3d ランド
3e スルーホール(貫通孔)
3f 内壁
3g メッキ膜(導体部)
3h 厚さ方向
3i 平面方向
3j,3k 開口部
3m 端子
3n 配線
3p ボンディング用端子
3q ソルダレジスト膜(絶縁膜)
3r 給電線
3s 窪み
4 導電性ワイヤ(導電性部材)
5 一括封止体
6 封止体
7 CSP(半導体装置)
8 半田バンプ(外部端子)
9 多数個取り基板
10 マーキング
11 ダイシングブレード
12 ダイシングテープ
13,14,15 CSP(半導体装置)
Claims (19)
- 主面と、前記主面に対向する裏面と、前記主面に形成された複数の端子と、前記裏面に形成された複数のランドと、レーザ加工によって形成された貫通孔と、前記貫通孔内に配置され、かつ前記端子と前記ランドを接続する導体部とを有する配線基板と、
前記配線基板の前記主面に搭載された半導体チップと、
前記半導体チップの電極と前記配線基板の前記端子とを電気的に接続する導電性部材と、
前記配線基板の前記裏面の前記複数のランドそれぞれに設けられた外部端子とを有し、
前記貫通孔は、前記ランドおよび前記外部端子と平面的に重なる位置に形成されていることを特徴とする半導体装置。 - 請求項1記載の半導体装置において、前記貫通孔は前記主面から前記裏面に向って前記レーザ加工によって形成されていることを特徴とする半導体装置。
- 請求項1記載の半導体装置において、前記複数のランドそれぞれに対して複数の前記貫通孔が配置されていることを特徴とする半導体装置。
- 請求項1記載の半導体装置において、前記貫通孔の基板厚さ方向に沿って切断した断面の形状は台形であり、かつ基板平面方向に沿って切断した断面の形状は円形であることを特徴とする半導体装置。
- 請求項4記載の半導体装置において、前記貫通孔の前記裏面に開口する開口部の面積は、前記主面に開口する開口部の面積より小さいことを特徴とする半導体装置。
- 請求項4記載の半導体装置において、前記貫通孔の前記主面および前記裏面に開口する開口部はそれぞれ円形であり、前記主面と前記裏面の前記開口部のうち、面積が小さい方の前記開口部は、直径0.02〜0.03mmの円形であることを特徴とする半導体装置。
- 請求項1記載の半導体装置において、前記貫通孔の内壁に、前記導体部であるメッキ膜が配置されていることを特徴とする半導体装置。
- 請求項7記載の半導体装置において、前記メッキ膜は、銅合金からなることを特徴とする半導体装置。
- 請求項1記載の半導体装置において、前記貫通孔内に、メッキによって形成された前記導体部が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記載の半導体装置において、前記配線基板の前記裏面における前記複数のランド以外の部分には絶縁膜が配置されていることを特徴とする半導体装置。
- 請求項10記載の半導体装置において、前記配線基板の前記裏面のみに絶縁膜が配置されていることを特徴とする半導体装置。
- 請求項1記載の半導体装置において、前記貫通孔は、前記配線基板の全面に亘って複数個配置されていることを特徴とする半導体装置。
- 請求項12記載の半導体装置において、前記複数の端子は、所定の間隔で格子状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記載の半導体装置において、前記複数の端子は、前記配線基板の外周部に沿って配置されていることを特徴とする半導体装置。
- 請求項1記載の半導体装置において、前記導電性部材は導電性ワイヤであり、前記半導体チップの前記電極と、前記配線基板の前記主面の前記端子とが前記導電性ワイヤによっ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記載の半導体装置において、前記導電性部材は導電性ワイヤであり、前記半導体チップの前記電極と、前記配線基板の前記主面の前記端子と配線によって接続されたボンディング用端子とが前記導電性ワイヤによっ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記載の半導体装置において、前記貫通孔は前記裏面から前記主面に向って前記レーザ加工によって形成されていることを特徴とする半導体装置。
- 表面と、前記表面と対向する裏面と、前記表面に形成された複数の端子と、前記裏面に形成された複数のランドと、前記表面から前記裏面に向ってレーザ加工によって形成された貫通孔と、前記貫通孔の内壁上に形成され、かつ前記端子と前記ランドを接続する導体膜を有する配線基板と、
主面と、前記主面に形成された集積回路と、前記集積回路と電気的に接続された複数の電極を有し、かつ前記配線基板の主面上に搭載された半導体チップと、
前記半導体チップの前記電極と前記配線基板の前記端子を電気的に接続する導電性ワイヤと、
前記配線基板の裏面における前記複数のランドそれぞれに設けられた外部端子とを有し、
前記貫通孔は、前記ランドに対して複数個形成され、
前記貫通孔は、前記ランドおよび前記外部端子と平面的に重なる位置に形成され、
前記貫通孔は、前記裏面側に形成された開口部の径が前記主面側に形成された開口部の径よりも小さいことを特徴とする半導体装置。 - 請求項1記載の半導体装置において、前記貫通孔の内部は導体膜で埋め込まれていることを特徴とする半導体装置。
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JP2011129729A (ja) * | 2009-12-18 | 2011-06-30 | Shinko Electric Ind Co Ltd | 配線基板及び半導体装置 |
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