JP5960633B2 - 半導体装置の製造方法および半導体装置 - Google Patents
半導体装置の製造方法および半導体装置 Download PDFInfo
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- JP5960633B2 JP5960633B2 JP2013061089A JP2013061089A JP5960633B2 JP 5960633 B2 JP5960633 B2 JP 5960633B2 JP 2013061089 A JP2013061089 A JP 2013061089A JP 2013061089 A JP2013061089 A JP 2013061089A JP 5960633 B2 JP5960633 B2 JP 5960633B2
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Description
はじめに、本願発明者が比較検討した半導体装置のフリップチップ接続における課題について、図面を参照しながら説明する。
図1は実施の形態の半導体装置に搭載される半導体チップの主面の構造の一例を示す平面図、図2は実施の形態の半導体装置の構造の一例を示す断面図、図3は図2に示す半導体装置の詳細構造の一例を示す拡大部分断面図、図4は図2に示す半導体装置における柱状バンプ電極の接続状態の一例を示す部分断面図である。また、図5は実施の形態の半導体装置に搭載される配線基板の上面の配線の引き回しの一例を示す部分平面図、図6は図5に示すB部の構造の一例を示す拡大部分平面図、図7は図5に示すC部の構造の一例を示す拡大部分平面図である。
本実施の形態における半導体装置は上記のように構成されており、以下に、その特徴について詳細に説明する。
本実施の形態における半導体装置は、上記のように構成されており、以下に、その製造方法の一例について図面を参照しながら説明する。
上記実施の形態では、貫通基板2を準備する際に、貫通基板2の各端子TE1に半田3をプリコートする場合について説明したが、予め端子TE1に半田3がプリコートされた貫通基板2を納入し、この貫通基板2を用いて半導体装置の組み立てを行ってもよい。
図20は実施の形態の第2変形例の半導体装置の組み立てで用いられる配線基板の構造を示す断面図、図21は第2変形例の半導体装置の組み立てにおけるフリップチップ接続後の構造を示す断面図、図22は第2変形例の半導体装置の組み立てにおけるアンダーフィル塗布後の構造を示す断面図、図23は第2変形例の半導体装置の組み立てにおけるボールマウント後の構造を示す断面図である。
1a 主面
1b 裏面
1c 電極パッド
2 貫通基板
2a 上面
2b 裏面
2c ソルダレジスト膜
2d 第1配線
2e 第2配線
2f 第3配線
2g 配線
2h 第1部分
2i 第2部分
2j 幅広部
2k プレーン配線
2m 屈曲部
3,4 半田
10 配線基板
10a 上面
10b 絶縁膜
10c 開口部
10d,10d1 配線
10e 端子
11 半田
12 バンプ電極
AR1,AR2,AR3,AR4 領域
BTE1 裏面端子
CRL コア層
IL 層間絶縁膜
LND1,LND2,LND3 ランド
OP 開口部
PAS パッシベーション膜
PD パッド
PLBMP1,PLBMP2 柱状バンプ電極
SB 半田ボール
T 隙間
TE1,TE2 端子
TH1,TH2,TH3 スルーホール
UF アンダーフィル
Claims (16)
- (a)複数の端子が配置された第1面と、前記第1面とは反対側の第2面とを有し、前記第1面の表面に絶縁膜が形成され、さらに前記第1面は、前記絶縁膜が開口されて成る第1領域と、平面視で前記第1領域の内側に位置する第2領域と、平面視で前記第1領域の外側に位置する第3領域とを有する配線基板を準備する工程と、
(b)複数の表面電極が形成された第1主面と、前記第1主面とは反対側の第2主面と
を有し、前記複数の表面電極に突起電極が設けられた半導体チップを準備する工程と、
(c)前記半導体チップの複数の前記突起電極と、前記配線基板の前記複数の端子とを、接続部材を介してそれぞれ電気的に接続して前記配線基板の前記第1面に前記半導体チップをフリップチップ接続する工程と、
を有し、
前記配線基板の前記第1領域には、前記複数の端子と、前記第1領域を横断して前記第2領域と前記第3領域とに跨がる配線とが配置され、
前記配線は、前記第1領域を横断する第1部分と、前記第2領域または前記第3領域から露出して前記複数の端子のうちの一部の端子に接続する第2部分とを有し、
前記第2部分の前記端子には前記突起電極が搭載され、前記第1部分は前記配線より幅が広い幅広部を有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において、
前記配線の前記第1部分に複数の前記幅広部が配置され、隣り合う前記幅広部の前記第1部分における前記配線の延在方向の距離が、前記第2部分における前記端子と前記配線の延在方向の合わせた長さを超えないように前記複数の幅広部を配置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において、
前記配線の前記第1部分に複数の前記幅広部と、前記配線を屈曲させる屈曲部とが配置され、前記屈曲部を挟むように前記複数の幅広部を配置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において、
前記配線の前記第1部分に複数の前記幅広部と、前記配線を屈曲させる屈曲部とが配置され、前記複数の幅広部のうちの一部の幅広部が前記屈曲部と重なるように配置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において、
前記配線の前記第1部分の前記幅広部には、前記突起電極は搭載されていない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において、
前記第2領域および第3領域に複数のスルーホールが設けられ、前記複数のスルーホールのそれぞれは、前記配線基板の前記第1面から前記第2面にかけて貫通してい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において、
前記配線の前記第1部分と前記第2部分は、前記第2領域または前記第3領域の前記絶縁膜の下部で電気的に接続されてい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において、
前記幅広部上に半田層が形成されてい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において、
前記接続部材は半田である半導体装置の製造方法。 - 複数の表面電極が形成された第1主面と、前記第1主面とは反対側の第2主面とを有し、前記複数の表面電極に突起電極が設けられた半導体チップと、
複数の前記突起電極に対応した複数の端子が配置された第1面と、前記第1面とは反対側の第2面とを有し、前記第1面に前記半導体チップが実装され、前記複数の突起電極と前記複数の端子とが、それぞれ接続部材を介して電気的に接続された配線基板と、
前記半導体チップと前記配線基板との間に充填された封止樹脂と、
を有し、
前記配線基板の前記第1面の表面に絶縁膜が形成され、
前記配線基板の前記第1面は、前記絶縁膜が開口されて成る第1領域と、平面視で前記第1領域の内側に位置する第2領域と、平面視で前記第1領域の外側に位置する第3領域とを有し、
前記第1領域には、前記複数の端子と、前記第1領域を横断して前記第2領域と前記第3領域とに跨がる配線とが配置され、
前記配線は、前記第1領域を横断する第1部分と、前記第2領域または前記第3領域から露出して前記複数の端子のうちの一部の端子に接続する第2部分とを有し、
前記第2部分の前記端子には前記突起電極が搭載され、前記第1部分は前記配線より幅が広い幅広部を有する半導体装置。 - 請求項10に記載の半導体装置において、
前記配線の前記第1部分に複数の前記幅広部が配置され、隣り合う前記幅広部の前記第1部分における前記配線の延在方向の距離が、前記第2部分における前記端子と前記配線の延在方向の合わせた長さを超えないように前記複数の幅広部が配置されている半導体装置。 - 請求項10に記載の半導体装置において、
前記配線の前記第1部分に複数の前記幅広部と、前記配線を屈曲させる屈曲部とが配置され、前記屈曲部を挟むように前記複数の幅広部が配置されている半導体装置。 - 請求項10に記載の半導体装置において、
前記配線の前記第1部分に複数の前記幅広部と、前記配線を屈曲させる屈曲部とが配置され、前記複数の幅広部のうちの一部の幅広部が前記屈曲部と重なるように配置されている半導体装置。 - 請求項10に記載の半導体装置において、
前記第2領域および第3領域に複数のスルーホールが設けられ、前記複数のスルーホールのそれぞれは、前記配線基板の前記第1面から前記第2面にかけて貫通している半導体装置。 - 請求項10に記載の半導体装置において、
前記幅広部上に半田層が形成されている半導体装置。 - 請求項10に記載の半導体装置において、
前記接続部材は半田である半導体装置。
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US14/139,948 US8994175B2 (en) | 2013-03-22 | 2013-12-24 | Method of manufacturing semiconductor device and semiconductor device |
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