JP5767695B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP5767695B2 JP5767695B2 JP2013505686A JP2013505686A JP5767695B2 JP 5767695 B2 JP5767695 B2 JP 5767695B2 JP 2013505686 A JP2013505686 A JP 2013505686A JP 2013505686 A JP2013505686 A JP 2013505686A JP 5767695 B2 JP5767695 B2 JP 5767695B2
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Description
まず、本発明者が検討した半導体装置が有する課題について、図面を参照しながら説明する。図1は、本発明者が検討した半導体チップCHP1の外観構成を示す上面図である。図1に示すように、半導体チップCHP1は矩形形状をしており、半導体チップCHP1の表面全体にわたって外部接続端子であるバンプ電極BMPが形成されている。このように構成されている半導体チップCHP1をパッケージングすることにより、本発明者が検討した半導体装置を得ることができる。
図4は、本実施の形態における半導体チップCHP2の表面構造を示す図である。図4に示すように、本実施の形態における半導体チップCHP2は、矩形形状をしており、半導体チップCHP2の表面領域に柱状バンプ電極(柱状突起電極)PLBMP1および柱状バンプ電極PLBMP2が形成されている。なお、これら柱状バンプ電極PLBMP1および柱状バンプ電極PLBMP2は、例えば、銅(Cu)からなる柱状部と、この柱状部上に形成された半田からなる接続部とから構成されている。柱状部の高さは、例えばここでは約30μm程度であり、接続部の高さ(半田高さ)は約15μm程度である。柱状部の形状は、円柱形状や直方体形状であり、平面視で見たときに、円柱形状のときの直径は約30〜35μm程度であり、直方体形状のときの1辺の長さは、約30〜35μm程度である。
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、その特徴点について詳細に説明する。まず、本実施の形態における第1特徴点は、例えば、図6に示すように、半導体チップCHP2を搭載する配線基板として、貫通基板THWBを採用している点にある。すなわち、本実施の形態では、図3に示すようなビルドアップ基板BPWBを使用せずに、図6に示すような貫通基板THWBを使用している。
このように結線することにより、本実施の形態によれば、領域AR1内での配線引き回しが不要となり、スルーホールTH1の形成領域、スルーホールTH2の形成領域、および、端子TE1の形成領域を別々に分離しながらも、効率良くスルーホールTH1と端子TE1とを接続し、かつ、効率良くスルーホールTH2と端子TE2とを接続することができる。貫通基板THWBは、コア層CRLの表裏面に1層の配線層しか有していない構造であり、ビルドアップ基板BPWBのコア層CRLの表裏面に複数のビルドアップ層(BPL1を複数層、BPL2を複数層)を設けて配線層を複数層化できる構造に比べて配線を高密度化できない。従って、前述した配線の引き回しの特徴は、貫通基板THWBで、ビルドアップ基板BPWB並みの配線の高密度化を実現する上において重要である。
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、その製造方法の一例について図面を参照しながら説明する。
次に、本実施の形態の変形例について説明する。前記実施の形態では、半導体チップCHP2に形成するバンプ電極を柱状バンプ電極PLBMP1(PLBMP2)から構成する例について説明したが、本変形例では、半導体チップCHP2に形成するバンプ電極をスタッドバンプ電極から構成する例について説明する。
最後に本発明の位置づけについて、図面を参照しながら説明する。図27は、本発明の位置づけを説明するグラフである。図27において、横軸はチップサイズを示しており、縦軸はチップに形成されるパッド数(バンプ電極数)を示している。
AR1 領域
AR2 領域
AR3 領域
A1 隙間
A2 隙間
A3 隙間
BMP バンプ電極
BPL1 ビルドアップ層
BPL2 ビルドアップ層
BPWB ビルドアップ基板
BTE 裏面端子
CHP1 半導体チップ
CHP2 半導体チップ
CRL コア層
HS ヒートシンク
IL 層間絶縁膜
LND1 ランド
LND2 ランド
LND3 ランド
OP 開口部
OP1 開口部
PAS パッシベーション膜
PD パッド
PI1 樹脂膜
PI2 樹脂膜
PLBMP1 柱状バンプ電極
PLBMP2 柱状バンプ電極
RW 再配線
S 半田
SB 半田ボール
SCE シリコーンレジン
SDBMP1 スタッドバンプ電極
SDBMP2 スタッドバンプ電極
SR ソルダレジスト
TE 端子
TE1 端子
TE2 端子
TH1 スルーホール
TH2 スルーホール
TH3 スルーホール
THWB 貫通基板
UF アンダーフィル
VA ビア
WIRE1 配線
WIRE2 配線
WIRE3 配線
Claims (21)
- (a)表面に複数の突起電極が配置された半導体チップと、
(b)前記複数の突起電極に対応した複数の端子が配置された第1表面と、前記第1表面とは反対側の第1裏面と、を備えたコア層を有し、前記コア層の前記第1表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電気的に接続された基板と、
(c)前記半導体チップと前記基板との間に充填された封止樹脂と、を備え、
前記基板の前記コア層は、
(b1)前記複数の端子の内、前記コア層の第1領域に配置され、かつ前記半導体チップの前記複数の突起電極の内の複数の第1突起電極のそれぞれと電気的に接続された複数の第1端子と、
(b2)前記第1領域よりも内側の第2領域に配置された複数の第1スルーホールと、
(b3)前記複数の端子の内、前記第2領域よりも内側の第3領域に配置され、かつ前記半導体チップの前記複数の突起電極の内の複数の第2突起電極のそれぞれと電気的に接続された複数の第2端子と、を有し、
前記複数の第1スルーホールのそれぞれは、前記コア層の前記第1表面から前記第1裏面にかけて貫通し、
前記コア層の前記第1表面において、前記複数の第1スルーホールの一部は、前記複数の第1端子の一部と電気的に接続され、
前記複数の第1スルーホール上には、平面視において重なる前記半導体チップの前記複数の突起電極は配置されておらず、
前記複数の第1端子は、外部から第1電源電圧、あるいは第1基準電圧が供給可能な端子と、外部と信号電圧を伝達可能な端子と、を含み、
前記複数の第2端子は、外部から第2電源電圧、あるいは第2基準電圧が供給可能な端子のみで構成されている、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2端子は、前記半導体チップに形成されたコア回路に前記第2電源電圧、あるいは前記第2基準電圧を供給可能な端子である、半導体装置。 - 請求項2に記載の半導体装置において、
前記複数の第1端子の内、前記第1電源電圧、あるいは前記1基準電圧が供給可能な端子は、前記半導体チップに形成された外部インターフェース回路に前記第1電源電圧、あるいは前記第1基準電圧を供給可能な端子である、半導体装置。 - 請求項3に記載の半導体装置において、
前記第2電源電圧は、前記第1電源電圧よりも電位が低い、半導体装置。 - 請求項1に記載の半導体装置において、
前記基板の前記コア層はガラスクロスを含有する、半導体装置。 - 請求項1に記載の半導体装置において、
平面視において、前記基板の前記コア層の前記第2領域と重なる前記半導体チップの前記表面には、前記複数の突起電極が形成されていない、半導体装置。 - 請求項1に記載の半導体装置において、
前記基板の前記コア層の前記第3領域には、複数の第3スルーホールが形成され、
前記複数の第2端子のそれぞれは、前記複数の第3スルーホールと前記コア層の前記第1表面上で配線を介して電気的に接続されている、半導体装置。 - 請求項1に記載の半導体装置において、
前記基板の前記コア層は、前記第1領域よりも外側の第4領域に配置された複数の第2スルーホールをさらに有し、
前記コア層の前記第1表面において、前記複数の第2スルーホールの一部は、前記複数の第1端子の一部と電気的に接続されている、半導体装置。 - 請求項8に記載の半導体装置において、
前記複数の第1端子は、複数列にわたって配置されており、
前記複数の第1端子の内、前記複数の第1スルーホールの一部と電気的に接続されている第1端子は、前記複数の第2スルーホールの一部と電気的に接続されている第1端子よりも内側に配置されている、半導体装置。 - 請求項8に記載の半導体装置において、
前記複数の第2スルーホールの数は、前記複数の第1スルーホールの数より多い、半導体装置。 - 請求項8に記載の半導体装置において、
前記第4領域は、平面視において、前記半導体チップの外周よりも外側に位置する領域である、半導体装置。 - 請求項1に記載の半導体装置において、
前記半導体チップの前記複数の突起電極のそれぞれは、前記複数の端子のそれぞれと電気的に接続された第1部分と、前記第1部分の融点よりも高い融点を有する第2部分と、を有する、半導体装置。 - 請求項12に記載の半導体装置であって、
前記第1部分は、半田であって、前記第2部分は、銅または金である、半導体装置。 - 請求項1に記載の半導体装置において、
前記基板の前記コア層の前記第1表面上には、開口部が形成された第1ソルダレジストが形成され、
前記複数の第1端子は、前記第1ソルダレジストに形成された前記開口部から露出している、半導体装置。 - 請求項14に記載の半導体装置において、
前記複数の第1スルーホールの内部には、前記第1ソルダレジストが充填され、前記コア層の前記第1表面上に形成された前記第1ソルダレジストと繋がっている、半導体装置。 - 請求項14に記載の半導体装置において、
前記基板の前記コア層の前記第1裏面上には、第2ソルダレジストが形成されている、半導体装置。 - 請求項1に記載の半導体装置において、
前記基板の前記コア層の前記第1表面には、前記複数の第1スルーホールのそれぞれと電気的に接続された複数のランドが形成され、
前記複数の第1端子の一部と前記複数のランドの一部とは、配線を介して電気的に接続されている、半導体装置。 - 請求項1に記載の半導体装置において、
前記半導体チップの前記表面には、樹脂膜が形成され、
前記樹脂膜上には、再配線が形成されていない、半導体装置。 - 請求項1に記載の半導体装置において、
前記半導体チップの前記表面には、窒化シリコン膜を含むパッシベーション膜が形成されており、
前記パッシベーション膜上には、再配線が形成されていない、半導体装置。 - (a)表面に複数の突起電極が配置された半導体チップと、
(b)前記複数の突起電極に対応した複数の端子が配置された第1表面と、前記第1表面とは反対側の第1裏面と、を備えたコア層を有し、前記コア層の前記第1表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電気的に接続された基板と、
(c)前記半導体チップと前記基板との間に充填された封止樹脂と、を備え、
前記基板の前記コア層は、
(b1)前記複数の端子の内、前記コア層の第1領域に複数列にわたって配置され、かつ前記半導体チップの前記複数の突起電極の内の複数の第1突起電極のそれぞれと電気的に接続された複数の第1端子と、
(b2)前記第1領域よりも内側の第2領域に配置された複数の第1スルーホールと、
(b3)前記第1領域よりも外側の領域に配置された複数の第2スルーホールと、
(b4)前記複数の端子の内、前記第2領域よりも内側の第3領域に配置され、かつ前記半導体チップの前記複数の突起電極の内の複数の第2突起電極のそれぞれと電気的に接続された複数の第2端子と、を有し、
前記複数の第1スルーホールおよび前記第2スルーホールのそれぞれは、前記コア層の前記第1表面から前記第1裏面にかけて貫通し、
前記コア層の前記第1表面において、前記複数の第1スルーホールおよび前記第2スルーホールの一部は、前記複数の第1端子の一部と電気的に接続され、
前記複数の第1スルーホール上には、平面視において重なる前記半導体チップの前記複数の突起電極は配置されておらず、
前記複数の第1端子の内、前記複数の第1スルーホールの一部と電気的に接続されている第1端子は、前記複数の第2スルーホールの一部と電気的に接続されている第1端子よりも内側に配置され、
前記複数の第1端子は、外部から第1電源電圧、あるいは第1基準電圧が供給可能な端子と、外部と信号電圧を伝達可能な端子と、を含み、
前記複数の第2端子は、外部から第2電源電圧、あるいは第2基準電圧が供給可能な端子のみで構成されている、半導体装置。 - (a)表面に複数の突起電極が配置された半導体チップと、
(b)前記複数の突起電極に対応した複数の端子が配置された第1表面と、前記第1表面とは反対側の第1裏面と、を備えたコア層を有し、前記コア層の前記第1表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電気的に接続された基板と、
(c)前記半導体チップと前記基板との間に充填された封止樹脂と、
(d)前記コア層の前記第1裏面に搭載された複数の半田ボールと、を備え、
前記基板の前記コア層は、
(b1)前記複数の端子の内、前記コア層の第1領域に複数列にわたって配置され、かつ前記半導体チップの前記複数の突起電極の内の複数の第1突起電極のそれぞれと電気的に接続された複数の第1端子と、
(b2)前記第1領域よりも内側の第2領域に配置された複数の第1スルーホールと、
(b3)前記第1領域よりも外側の領域に配置された複数の第2スルーホールと、
(b4)前記複数の端子の内、前記第2領域よりも内側の第3領域に配置され、かつ前記半導体チップの前記複数の突起電極の内の複数の第2突起電極のそれぞれと電気的に接続された複数の第2端子と、を有し、
前記複数の第1スルーホールおよび前記第2スルーホールのそれぞれは、前記コア層の前記第1表面から前記第1裏面にかけて貫通し、
前記コア層の前記第1表面において、前記複数の第1スルーホールおよび前記第2スルーホールの一部は、前記複数の第1端子の一部と電気的に接続され、
前記複数の半田ボールは、前記複数の第1スルーホールおよび前記第2スルーホールの一部を介して、前記複数の第1端子の一部と電気的に接続され、
前記複数の第1スルーホール上には、平面視において重なる前記半導体チップの前記複数の突起電極は配置されておらず、
前記複数の第1端子の内、前記複数の第1スルーホールの一部と電気的に接続されている第1端子は、前記複数の第2スルーホールの一部と電気的に接続されている第1端子よりも内側に配置されており、
前記複数の突起電極のそれぞれは、第1部分と、前記第1部分の融点よりも高い融点を有する第2部分と、を有し、前記第1部分は前記複数の端子と電気的に接続され、
前記複数の第1端子は、外部から第1電源電圧、あるいは第1基準電圧が供給可能な端子と、外部と信号電圧を伝達可能な端子と、を含み、
前記複数の第2端子は、外部から第2電源電圧、あるいは第2基準電圧が供給可能な端子のみで構成されている、半導体装置。
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JP6680712B2 (ja) * | 2017-03-10 | 2020-04-15 | キオクシア株式会社 | 半導体装置 |
US10214704B2 (en) * | 2017-04-06 | 2019-02-26 | Baker Hughes, A Ge Company, Llc | Anti-degradation and self-healing lubricating oil |
JP2019114675A (ja) * | 2017-12-25 | 2019-07-11 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
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JP2011018673A (ja) * | 2009-07-07 | 2011-01-27 | Hitachi Ltd | Lsiパッケージ、プリント基板および電子装置 |
JP2011066344A (ja) * | 2009-09-18 | 2011-03-31 | Renesas Electronics Corp | 半導体装置および電子装置 |
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KR101740878B1 (ko) | 2017-05-26 |
US20140008798A1 (en) | 2014-01-09 |
TW201240030A (en) | 2012-10-01 |
US20160111388A1 (en) | 2016-04-21 |
KR20140012677A (ko) | 2014-02-03 |
TWI563610B (ja) | 2016-12-21 |
TW201719828A (zh) | 2017-06-01 |
JPWO2012127614A1 (ja) | 2014-07-24 |
KR20170018976A (ko) | 2017-02-20 |
US9293405B2 (en) | 2016-03-22 |
KR101708093B1 (ko) | 2017-02-17 |
WO2012127614A1 (ja) | 2012-09-27 |
CN103443915B (zh) | 2016-08-17 |
TWI612625B (zh) | 2018-01-21 |
CN103443915A (zh) | 2013-12-11 |
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