JP6562467B2 - ファン−アウト半導体パッケージ - Google Patents
ファン−アウト半導体パッケージ Download PDFInfo
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- JP6562467B2 JP6562467B2 JP2017044923A JP2017044923A JP6562467B2 JP 6562467 B2 JP6562467 B2 JP 6562467B2 JP 2017044923 A JP2017044923 A JP 2017044923A JP 2017044923 A JP2017044923 A JP 2017044923A JP 6562467 B2 JP6562467 B2 JP 6562467B2
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- layer
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- insulating layer
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Description
図1は電子機器システムの例を概略的に示すブロック図である。
一般に、半導体チップには、数多くの微細な電気回路が集積されているが、それ自体が半導体完成品としての役割を果たすことはできず、外部からの物理的衝撃または化学的浸蝕により損傷する可能性がある。したがって、半導体チップ自体をそのまま用いるのではなく、半導体チップをパッケージングして、パッケージングされた状態で電子機器などに用いている。
図3はファン−イン半導体パッケージのパッケージング前後を概略的に示す断面図であり、図4はファン−イン半導体パッケージのパッケージング過程を概略的に示す断面図である。
図7はファン−アウト半導体パッケージの概略的な形状を示す断面図である。
[項目1]
貫通孔を有する第1接続部材と、
前記第1接続部材の貫通孔に配置され、接続パッドが配置された活性面と前記活性面とは反対側に配置された非活性面を有する半導体チップと、
前記第1接続部材と前記半導体チップの非活性面の少なくとも一部を封止する封止材と、
前記第1接続部材と前記半導体チップの活性面上に配置された第2接続部材と、を含み、
前記第1接続部材及び前記第2接続部材は、それぞれ前接続パッドと電気的に接続された再配線層を含み、
前記半導体チップは、前記接続パッドの少なくとも一部を露出させる開口部を有するパッシベーション膜を含み、
前記第2接続部材の再配線層は、ビアを介して前記接続パッドと接続されて、
前記ビアは前記パッシベーション膜の少なくとも一部を覆うことで前記接続パッドへのイオン伝搬経路を遮断可能な構造を有する、ファン−アウト半導体パッケージ。
[項目2]
前記パッシベーション膜の前記開口部を囲み、且つ前記ビアと接する面の前記パッシベーション膜の全体の面積をS1とし、前記パッシベーション膜を覆う前記ビアの面積をS2としたとき、S2/S1は0.2〜0.8である、項目1に記載のファン−アウト半導体パッケージ。
[項目3]
前記パッシベーション膜の前記開口部を囲み、且つ前記ビアと接する面の前記パッシベーション膜の幅をWとし、前記パッシベーション膜と接する前記ビアの縁が、前記パッシベーション膜の前記開口部を囲み、且つ前記ビアと接する面の前記パッシベーション膜の中心線Cから離れている距離をdとするとき、d/Wは0.3以内である、項目1または項目2に記載のファン−アウト半導体パッケージ。
[項目4]
前記ビアは、前記接続パッドの露出している表面をすべて覆う、項目1から項目3の何れか一項に記載のファン−アウト半導体パッケージ。
[項目5]
前記ビアは、フィルドビア(Filled via)である、項目1から項目4の何れか一項に記載のファン−アウト半導体パッケージ。
[項目6]
前記第1接続部材は、第1絶縁層と、前記第2接続部材と接し、前記第1絶縁層に埋め込まれた第1再配線層と、前記第1絶縁層の前記第1再配線層が埋め込まれた側とは反対側上に配置された第2再配線層と、を含み、
前記第1及び第2再配線層は前記接続パッドと電気的に接続される、項目1から項目5の何れか一項に記載のファン−アウト半導体パッケージ。
[項目7]
前記第1接続部材は、前記第1絶縁層上に配置され、前記第2再配線層を覆う第2絶縁層と、前記第2絶縁層上に配置された第3再配線層と、をさらに含み、
前記第3再配線層は前記接続パッドと電気的に接続される、項目6に記載のファン−アウト半導体パッケージ。
[項目8]
前記第2接続部材の再配線層と前記第1再配線層との間の距離が、前記第2接続部材の再配線層と前記接続パッドとの間の距離よりも大きい、項目6または項目7に記載のファン−アウト半導体パッケージ。
[項目9]
前記第1再配線層は、前記第2接続部材の再配線層よりも厚さが厚い、項目6から項目8の何れか一項に記載のファン−アウト半導体パッケージ。
[項目10]
前記第1再配線層の下面は、前記接続パッドの下面より上側に位置する、項目6から項目9の何れか一項に記載のファン−アウト半導体パッケージ。
[項目11]
前記第2再配線層は、前記半導体チップの活性面と非活性面との間に位置する、項目7に記載のファン−アウト半導体パッケージ。
[項目12]
前記第1接続部材は、第1絶縁層と、前記第1絶縁層の両面に配置された第1再配線層及び第2再配線層と、前記第1絶縁層上に配置され、前記第1再配線層を覆う第2絶縁層と、前記第2絶縁層上に配置された第3再配線層と、を含み、
前記第1〜第3再配線層は前記接続パッドと電気的に接続される、項目1から項目11の何れか一項に記載のファン−アウト半導体パッケージ。
[項目13]
前記第1接続部材は、前記第1絶縁層上に配置され、前記第2再配線層を覆う第3絶縁層と、前記第3絶縁層上に配置された第4再配線層と、をさらに含み、
前記第4再配線層は前記接続パッドと電気的に接続される、項目12に記載のファン−アウト半導体パッケージ。
[項目14]
前記第1絶縁層は、前記第2絶縁層よりも厚さが厚い、項目12または項目13に記載のファン−アウト半導体パッケージ。
[項目15]
前記第3再配線層は、前記第2接続部材の再配線層よりも厚さが厚い、項目12から項目14の何れか一項に記載のファン−アウト半導体パッケージ。
[項目16]
前記第1再配線層は、前記半導体チップの活性面と非活性面との間に位置する、項目12から項目15の何れか一項に記載のファン−アウト半導体パッケージ。
[項目17]
前記第3再配線層の下面は、前記接続パッドの下面より下側に位置する、項目12から項目16の何れか一項に記載のファン−アウト半導体パッケージ。
1010 メインボード
1020 チップ関連部品
1030 ネットワーク関連部品
1040 その他の部品
1050 カメラ
1060 アンテナ
1070 ディスプレイ
1080 電池
1090 信号ライン
1100 スマートフォン
1101 本体
1110 メインボード
1120 部品
1130 カメラ
2200 ファン−イン半導体パッケージ
2220 半導体チップ
2221 本体
2222 接続パッド
2223 パッシベーション膜
2240 接続部材
2241 絶縁層
2242 配線パターン
2243 ビア
2250 パッシベーション層
2260 アンダーバンプ金属層
2270 半田ボール
2280 アンダーフィル樹脂
2290 モールディング材
2500 メインボード
2301 インターポーザ基板
2302 インターポーザ基板
2100 ファン−アウト半導体パッケージ
2120 半導体チップ
2121 本体
2122 接続パッド
2140 接続部材
2141 絶縁層
2142 再配線層
2143 ビア
2150 パッシベーション層
2160 アンダーバンプ金属層
2170 半田ボール
100 半導体パッケージ
100A、100B、100C ファン−アウト半導体パッケージ
110 第1接続部材
111、112a、112b、112c 絶縁層
112a、112b、112c、112d 再配線層
113 ビア
120 半導体チップ
121 本体
122 接続パッド
123 パッシベーション膜
130 封止材
131 開口部
140 第2接続部材
141 絶縁層
142 再配線層
143 ビア
143a シード層
143b 導体層
150 パッシベーション層
151 開口部
160 アンダーバンプ金属層
170 接続端子
Claims (16)
- 貫通孔を有する第1接続部材と、
前記第1接続部材の貫通孔に配置され、接続パッドが配置された活性面と前記活性面とは反対側に配置された非活性面を有する半導体チップと、
前記半導体チップの非活性面の少なくとも一部を封止する封止材と、
前記第1接続部材と前記半導体チップの活性面上に配置された第2接続部材と、
を含み、
前記第1接続部材及び前記第2接続部材は、それぞれ前記接続パッドと電気的に接続された再配線層を含み、
前記半導体チップは、前記接続パッドの少なくとも一部を露出させる開口部を有するパッシベーション膜を含み、
前記第2接続部材の再配線層は、ビアを介して前記接続パッドと接続されて、
前記ビアは前記パッシベーション膜の少なくとも一部を覆い、
前記パッシベーション膜の前記開口部を囲み、且つ前記ビアと接する面の前記パッシベーション膜の全体の面積をS1とし、
前記パッシベーション膜を覆う前記ビアの面積をS2としたとき、
S2/S1は0.2から0.8であり、
前記パッシベーション膜の前記開口部を囲み、且つ前記ビアと接する面の前記パッシベーション膜の幅をWとし、
前記パッシベーション膜と接する前記ビアの縁が、前記パッシベーション膜の前記開口部を囲み、且つ前記ビアと接する面の前記パッシベーション膜の中心線Cから離れている距離をdとするとき、
d/Wは0.3以内であり、
前記半導体チップの非活性面は、前記第1接続部材の上面よりも下方に位置する、
ファン−アウト半導体パッケージ。 - 前記ビアは、前記接続パッドの露出している表面をすべて覆う、
請求項1に記載のファン−アウト半導体パッケージ。 - 前記ビアは、フィルドビア(Filled via)である、
請求項1または2に記載のファン−アウト半導体パッケージ。 - 貫通孔を有する第1接続部材と、
前記第1接続部材の貫通孔に配置され、接続パッドが配置された活性面と前記活性面とは反対側に配置された非活性面を有する半導体チップと、
前記半導体チップの非活性面の少なくとも一部を封止する封止材と、
前記第1接続部材と前記半導体チップの活性面上に配置された第2接続部材と、
を含み、
前記第1接続部材及び前記第2接続部材は、それぞれ前記接続パッドと電気的に接続された再配線層を含み、
前記半導体チップは、前記接続パッドの少なくとも一部を露出させる開口部を有するパッシベーション膜を含み、
前記第2接続部材の再配線層は、ビアを介して前記接続パッドと接続されて、
前記ビアは前記パッシベーション膜の少なくとも一部を覆い、
前記第1接続部材は、
第1絶縁層と、
前記第1絶縁層の下側に埋め込まれた第1再配線層と、
前記第1絶縁層の上面上に配置され、下面が前記第1絶縁層の上面と接する第2再配線層と、
前記第1絶縁層を貫通し、前記第1再配線層及び前記第2再配線層を電気的に接続する第1ビアと、
前記第1絶縁層の上面上に配置され、前記第2再配線層を覆う第2絶縁層と、
前記第2絶縁層の上面上に配置され、下面が前記第2絶縁層の上面と接する第3再配線層と、及び
前記第2絶縁層を貫通し、前記第2再配線層及び前記第3再配線層を電気的に接続する第2ビアと
を含み、
前記第1再配線層及び前記第2再配線層は前記接続パッドと電気的に接続され、
前記半導体チップの非活性面は、前記第1接続部材の上面よりも下方に位置する、
ファン−アウト半導体パッケージ。 - 前記第2接続部材の再配線層と前記第1再配線層との間の距離が、前記第2接続部材の再配線層と前記接続パッドとの間の距離よりも大きい、
請求項4に記載のファン−アウト半導体パッケージ。 - 前記第1再配線層は、前記第2接続部材の再配線層よりも厚さが厚い、
請求項4または5に記載のファン−アウト半導体パッケージ。 - 前記第1再配線層の下面は、前記接続パッドの下面より上側に位置する、
請求項4から6のいずれか一項に記載のファン−アウト半導体パッケージ。 - 前記第2再配線層は、前記半導体チップの活性面と非活性面との間に位置する、
請求項4から7のいずれか1項に記載のファン−アウト半導体パッケージ。 - 前記第1接続部材は、
第1絶縁層と、
前記第1絶縁層の両面に配置された第1再配線層及び第2再配線層と、
前記第1絶縁層上に配置され、前記第1再配線層を覆う第2絶縁層と、
前記第2絶縁層上に配置された第3再配線層と、
を含み、
前記第1再配線層、及び前記第2再配線層、及び前記第3再配線層は前記接続パッドと電気的に接続される、
請求項1から3のいずれか一項に記載のファン−アウト半導体パッケージ。 - 前記第1接続部材は、
前記第1絶縁層上に配置され、前記第2再配線層を覆う第3絶縁層と、
前記第3絶縁層上に配置された第4再配線層と、
をさらに含み、
前記第4再配線層は前記接続パッドと電気的に接続される、
請求項9に記載のファン−アウト半導体パッケージ。 - 前記第1絶縁層は、前記第2絶縁層よりも厚さが厚い、
請求項9または10に記載のファン−アウト半導体パッケージ。 - 前記第3再配線層は、前記第2接続部材の再配線層よりも厚さが厚い、
請求項9から11のいずれか一項に記載のファン−アウト半導体パッケージ。 - 前記第1再配線層は、前記半導体チップの活性面と非活性面との間に位置する、
請求項9から12のいずれか一項に記載のファン−アウト半導体パッケージ。 - 前記第3再配線層の下面は、前記接続パッドの下面より下側に位置する、
請求項9から13のいずれか一項に記載のファン−アウト半導体パッケージ。 - 前記ビアは、シード層と、導体層とを含む、
請求項1から14のいずれか一項に記載のファン−アウト半導体パッケージ。 - 前記シード層は、チタン(Ti)、チタン−タングステン(Ti−W)、モリブデン(Mo)、クロム(Cr)、ニッケル(Ni)、及びニッケル(Ni)−クロム(Cr)のうち一つ以上の金属材料を含む、
請求項15に記載のファン−アウト半導体パッケージ。
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2017
- 2017-03-09 JP JP2017044923A patent/JP6562467B2/ja active Active
- 2017-03-09 US US15/454,416 patent/US9935068B2/en active Active
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| US20180033751A1 (en) | 2018-02-01 |
| US9935068B2 (en) | 2018-04-03 |
| US10396049B2 (en) | 2019-08-27 |
| JP2017228762A (ja) | 2017-12-28 |
| US20170365568A1 (en) | 2017-12-21 |
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