JP2011146519A - 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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Abstract
【解決手段】半導体装置は、複数の素子電極113を有する第1の半導体素子が形成された第1の半導体チップ111と、素子搭載面101Aに第1の半導体チップ111を搭載した第1の基板101とを備えている。第1の基板101は、素子搭載面101Aに形成された、複数の第1の電極104及び第1の電極104と接続された複数の第1の配線と、素子搭載面111Aと反対側の面111Bに形成された、複数の第2の電極107及び第2の電極107と接続された複数の第2の配線と、第1の基板101を貫通し第1の配線と第2の配線とを接続する複数の貫通配線109とを有している。第1の基板101の第1の辺は、第1の半導体チップ111の第1の辺よりも短い。
【選択図】図1
Description
101A 素子搭載面
101B 裏面
103 第1の配線層
104 第1の電極
106 第2の配線層
107 第2の電極
109 貫通配線
111 第1の半導体チップ
113 第1の素子電極
121 第2の半導体チップ
123 第2の素子電極
131 第1のバンプ
133 樹脂
135 第2のバンプ
137 第3のバンプ
141 第2の基板
141A 基板搭載面
141B 外部接続電極形成面
143 基板接続電極
145 外部接続電極
Claims (11)
- 複数の素子電極を有する第1の半導体素子が形成された第1の半導体チップと、
素子搭載面に第1の半導体チップを搭載した第1の基板とを備え、
前記第1の基板は、
前記素子搭載面に形成され、前記複数の素子電極とそれぞれ接続された複数の第1の電極及び該複数の第1の電極とそれぞれ接続された複数の第1の配線と、
前記素子搭載面と反対側の面に形成された複数の第2の電極及び該複数の第2の電極とそれぞれ接続された複数の第2の配線と、
前記第1の基板を貫通し前記第1の配線と前記第2の配線とを接続する複数の貫通配線とを有し、
前記第1の基板及び第1の半導体チップは、平面方形状であり、
前記第1の基板の第1の辺と前記第1の半導体チップの第1の辺とは同一の方向に配置され、
前記第1の基板の第1の辺は、前記第1の半導体チップの第1の辺よりも短いことを特徴とする半導体装置。 - 前記第1の基板は、線膨張係数が10ppm/℃以下であることを特徴とする請求項1に記載の半導体装置。
- 基板搭載面に複数の基板接続電極を有する第2の基板をさらに備え、
前記第1の基板は、前記第2の基板の基板搭載面の上に搭載され、
前記第2の電極と前記基板接続電極とは突起電極を介して接続されていることを特徴とする請求項1又は2に記載の半導体装置。 - 前記第1の半導体チップは、フリップチップ実装されていることを特徴とする請求項1〜3のいずれか1項に記載の半導体装置。
- 複数の素子電極を有する第2の半導体素子が形成された第2の半導体チップをさらに備え、
前記第2の半導体チップは、前記素子搭載面にフリップチップ実装されていることを特徴とする請求項1〜4のいずれか1項に記載の半導体装置。 - 前記第1の基板から前記第1の半導体チップの上面までの高さと、前記第1の基板と前記第2の半導体チップの上面までの高さとの差は20μm以下であることを特徴とする請求項5に記載の半導体装置。
- 前記第1の基板は、第3の半導体素子を有することを特徴とする請求項1〜6のいずれか1項に記載の半導体装置。
- 前記第1の電極の形成ピッチは、前記第2の電極の形成ピッチよりも狭いことを特徴とする請求項1〜7のいずれか1項に記載の半導体装置。
- 前記第1の配線における最小の配線幅は、前記第2の配線における最小の配線幅よりも小さいことを特徴とする請求項1〜8のいずれか1項に記載の半導体装置。
- 前記第1の基板の厚さは、前記第1の半導体チップの厚さよりも薄いことを特徴とする請求項1〜9のいずれか1項に記載の半導体装置。
- 基板の素子搭載面に複数の第1の電極及び該複数の第1の電極とそれぞれ接続された複数の第1の配線を形成する工程(a)と、
前記工程(a)よりも後に、前記基板の前記素子搭載面と反対側から前記基板に複数の開口部を形成し、形成した開口部に前記第1の配線と接続された貫通配線を形成する工程(b)と、
前記第2の面に前記貫通配線と接続された複数の第2の配線及び該複数の第2の配線とそれぞれ接続された第2の電極を形成する工程(c)と、
前記工程(c)よりも後に、複数の素子電極を有する半導体チップを、前記素子電極と前記第1の電極とを接続するようにして前記素子搭載面に搭載する工程(d)と、
前記半導体チップと前記基板との間に前記半導体チップを下側にした状態において樹脂を注入する工程(e)とを備え、
前記第1の基板の第1の辺と前記第1の半導体チップの第1の辺とは同一の方向に配置され、
前記第1の基板の第1の辺は、前記第1の半導体チップの第1の辺よりも短いことを特徴とする半導体装置の製造方法。
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