JP7382170B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP7382170B2 JP7382170B2 JP2019143016A JP2019143016A JP7382170B2 JP 7382170 B2 JP7382170 B2 JP 7382170B2 JP 2019143016 A JP2019143016 A JP 2019143016A JP 2019143016 A JP2019143016 A JP 2019143016A JP 7382170 B2 JP7382170 B2 JP 7382170B2
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- Prior art keywords
- insulating layer
- semiconductor device
- parts
- layer
- bump
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Description
図1~図10に基づき、本発明の第1実施形態にかかる半導体装置A10について説明する。半導体装置A10は、第1絶縁層11、配線層20、第2絶縁層12、複数の接合層39、半導体素子31、複数の電子部品32、封止樹脂40、および複数の端子50を備える。半導体装置A10は、配線基板に表面実装される樹脂パッケージ形式によりものである。当該パッケージ形式は、封止樹脂40から複数のリードが突出していないことが特徴とされるQFN(quad flat non-leaded package)である。ここで、図1は、理解の便宜上、封止樹脂40を透過している。図2は、理解の便宜上、図1に対して複数の接合層39、半導体素子31、および複数の電子部品32をさらに透過している。図2において透過した半導体素子31、および複数の電子部品32を、それぞれ想像線(二点鎖線)で示している。
図27~図31に基づき、本発明の第2実施形態にかかる半導体装置A20について説明する。これらの図において、先述した半導体装置A10と同一または類似の要素には同一の符号を付して、重複する説明を省略する。ここで、図27は、理解の便宜上、封止樹脂40を透過している。
11:第1絶縁層
111:貫通部
12:第2絶縁層
121:第1開口
122:第2開口
123:第3開口
20:配線層
201:主面
202:裏面
20A:下地層
20B:本体層
21:基部
211:底面
212:側面
212A:露出部
22:本体部
23:バンプ部
231:第1バンプ部
232:第2バンプ部
24:柱状部
241:内側面
242:外側面
31:半導体素子
311:パッド
32:電子部品
321:電極
39:接合層
391:第1接合層
392:第2接合層
40:封止樹脂
50:端子
501:底部
502:側部
sr1,sr2,sr3:表面粗さ
80:基材
801:仮固定層
802:剥離層
81:第1絶縁層
811:貫通部
82:配線層
821:露出面
82A:下地層
82B:本体層
83:第2絶縁層
831:開口
84:封止樹脂
85:テープ
G:溝
z:厚さ方向
x:第1方向
y:第2方向
Claims (17)
- 厚さ方向において互いに反対側を向く主面および裏面を有する配線層と、
前記裏面の全体を覆う第1絶縁層と、
前記主面に接する第2絶縁層と、
前記第2絶縁層に対向し、かつ前記配線層に搭載された半導体素子と、
前記第2絶縁層に接し、かつ前記半導体素子を覆う封止樹脂と、を備え、
前記第1絶縁層および前記第2絶縁層は、有機化合物を含む材料からなり、
前記裏面の表面粗さは、前記第2絶縁層と前記封止樹脂との界面の表面粗さよりも大で あり、
前記主面の表面粗さは、前記裏面の表面粗さよりも大である、半導体装置。 - 前記配線層は、前記主面から前記厚さ方向に突出する複数の第1バンプ部を有し、
前記半導体素子は、前記複数の第1バンプ部に対向する複数のパッドを有し、
前記複数のパッドは、前記複数の第1バンプ部に対して個別に接合されている、請求項1に記載の半導体装置。 - 前記第2絶縁層は、前記厚さ方向に貫通する複数の第1開口を有し、
前記複数の第1バンプ部は、前記複数の第1開口に対して個別に収容されている、請求項2に記載の半導体装置。 - 前記第2絶縁層は、前記主面の全体を覆っている、請求項3に記載の半導体装置。
- 前記第2絶縁層は、前記第1絶縁層に接している、請求項3または4に記載の半導体装置。
- 複数の電子部品をさらに備え、
前記複数の電子部品の各々は、互いに離れた一対の電極を有し、
前記配線層は、前記主面から前記厚さ方向に突出する複数の第2バンプ部を有し、
前記複数の電子部品の各々の前記一対の電極は、前記複数の第2バンプ部のうち、隣り合う2つの第2バンプ部に対して個別に接合されている、請求項3ないし5のいずれかに記載の半導体装置。 - 前記厚さ方向に視て、前記複数の第2バンプ部の各々の面積は、前記複数の第1バンプ部の各々の面積よりも大である、請求項6に記載の半導体装置。
- 前記第2絶縁層は、前記厚さ方向に貫通する複数の第2開口を有し、
前記複数の第2バンプ部は、前記複数の第2開口に対して個別に収容されている、請求項6または7に記載の半導体装置。 - 前記第1絶縁層は、前記厚さ方向に貫通する複数の貫通部を有し、
前記配線層は、前記主面と、前記主面とは反対側を向く底面と、前記主面および前記底面につながる側面と、を各々が有する複数の基部を有し、
前記複数の基部は、前記複数の貫通部に対して個別に収容された部分を含む、請求項1ないし8のいずれかに記載の半導体装置。 - 複数の端子をさらに備え、
前記複数の端子は、前記複数の基部の各々の前記底面を個別に覆っている、請求項9に記載の半導体装置。 - 前記複数の基部の各々の前記側面は、前記複数の貫通部のいずれかから露出する露出部を含む、請求項10に記載の半導体装置。
- 前記複数の端子の各々は、前記複数の基部のいずれかの前記底面を覆う底部と、前記複数の基部のいずれかの前記露出部を覆う側部と、を有する、請求項11に記載の半導体装置。
- 前記複数の端子の少なくともいずれかの前記底部は、前記第1絶縁層に接しており、
前記複数の端子の少なくともいずれかの前記側部は、前記第2絶縁層に接している、請求項12に記載の半導体装置。 - 前記配線層は、前記複数の基部のいずれかの前記主面から前記厚さ方向に延びる複数の柱状部を有し、
前記複数の柱状部の各々は、前記半導体素子に対向する内側面と、前記内側面とは反対側を向く外側面と、を有し、
前記複数の柱状部の各々の前記外側面は、前記封止樹脂から露出している、請求項12または13に記載の半導体装置。 - 前記複数の柱状部の各々の前記外側面は、前記複数の基部のいずれかの前記露出部と面一である、請求項14に記載の半導体装置。
- 前記複数の端子の各々の前記側部は、前記複数の柱状部のいずれかの前記外側面を覆っている、請求項14または15に記載の半導体装置。
- 前記複数の柱状部の各々の前記内側面は、前記封止樹脂に接しており、
前記複数の柱状部の各々の前記内側面の表面粗さは、前記裏面の表面粗さよりも大である、請求項16に記載の半導体装置。
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US20210035889A1 (en) | 2021-02-04 |
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US11764130B2 (en) | 2023-09-19 |
US11289405B2 (en) | 2022-03-29 |
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