JP5085552B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP5085552B2 JP5085552B2 JP2008537526A JP2008537526A JP5085552B2 JP 5085552 B2 JP5085552 B2 JP 5085552B2 JP 2008537526 A JP2008537526 A JP 2008537526A JP 2008537526 A JP2008537526 A JP 2008537526A JP 5085552 B2 JP5085552 B2 JP 5085552B2
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- 239000004065 semiconductor Substances 0.000 title claims description 177
- 239000000758 substrate Substances 0.000 claims description 158
- 239000002184 metal Substances 0.000 claims description 50
- 239000003990 capacitor Substances 0.000 claims description 47
- 230000002093 peripheral effect Effects 0.000 claims description 32
- 229910002704 AlGaN Inorganic materials 0.000 claims description 9
- 229910003460 diamond Inorganic materials 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 8
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- 230000000149 penetrating effect Effects 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 41
- 229910010271 silicon carbide Inorganic materials 0.000 description 41
- 239000010409 thin film Substances 0.000 description 33
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 10
- 238000007740 vapor deposition Methods 0.000 description 10
- 230000017525 heat dissipation Effects 0.000 description 9
- 238000000465 moulding Methods 0.000 description 9
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 5
- 238000007772 electroless plating Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 230000000704 physical effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Description
す)などの半導体素子とコンデンサ素子などの受動素子が、基板上に載置、接続された半導体装置に関する。
一方、インバータ回路やスイッチング素子の高機能化に伴い、さらなる高出力、高耐圧化が要求されている。そこで、近年、FET素子の基板として、バンドギャップ、絶縁破壊電界が大きく、優れた物性を有するSiC(シリコンカーバイド)基板が用いられている。このSiC基板は、金属以上の熱伝導率を有した熱伝導性にも優れた基板材料である。
図1は、本発明の第1の実施の形態に係る半導体装置の模式的平面図を示し、図2は、本発明の第1の実施の形態に係る半導体装置であって、図1のI−I線に沿う模式的断面構造図を示す。
このような半導体装置は以下のように形成される。
図3は、本発明の第2の実施の形態に係る半導体装置の模式的平面図を示し、図4は、本発明の第2の実施の形態に係る半導体装置であって、図3のI−I線に沿う模式的断面構造図を示す。
このような半導体装置は以下のように形成される。
図5は、本発明の第3の実施の形態に係る半導体装置の模式的平面図を示し、図6は、本発明の第3の実施の形態に係る半導体装置であって、図5のI−I線に沿う模式的断面構造図を示す。
このような半導体装置は以下のように形成される。
図7は、本発明の第4の実施の形態に係る半導体装置の模式的平面図を示し、図8は、本発明の第4の実施の形態に係る半導体装置であって、図7のI−I線に沿う模式的断面構造図を示す。
このような半導体装置は以下のように形成される。
また、図10に示すように、薄膜コンデンサ43のヴィアホール43v間に電極43dの一部が配置されるように形成しても良い。これにより、半導体素子42のゲート電極42gと薄膜コンデンサ43の接地用電極43dを接続するワイヤ46を短くすることができ、寄生抵抗及び寄生インダクタを低減することが可能となる。
図11は、本発明の第5の実施の形態に係る半導体装置の模式的平面図を示し、図12は、本発明の第5の実施の形態に係る半導体装置であって、図11のI−I線に沿う模式的断面構造図を示す。
このような半導体装置は以下のように形成される。
上記のように、本発明は第1乃至第5の実施の形態によって記載したが、この開示の一部をなす論述および図面はこの発明を限定するものではない。この開示から当業者には様々な代替実施の形態、実施例および運用技術が明らかとなろう。
Claims (8)
- 基板と、
前記基板上に載置され、半導体基板を有する半導体素子と、
前記半導体素子上に配置されたソース電極と、
前記基板上に前記半導体素子に隣接して載置され、高誘電体基板を有する周辺回路部と、
前記高誘電体基板をその表面からその裏面まで貫通するヴィアホールと、
前記ヴィアホールの内壁に設けられた第1金属層と、
前記高誘電体基板の前記基板に接する裏面に配置された第2金属層と、
前記高誘電体基板の表面上に配置され、前記第1金属層を介して前記第2金属層に接続され、かつ前記ソース電極にボンディングワイヤのみを介して接続される接地用電極と
を備え、
前記ソース電極は、前記周辺回路部の内部に設けられた前記ヴィアホールを介して、前記周辺回路部と前記基板との間に配置された前記第2金属層により接地されることを特徴とする半導体装置。 - 前記半導体素子は、SiC基板、GaN/SiC基板、AlGaN/GaN/SiC基板、ダイヤモンド基板、サファイア基板より選択された基板上に形成された電界効果トランジスタであることを特徴とする請求項1に記載の半導体装置。
- 一つの前記ヴィアホールに対して、複数の前記接地用電極が接続されることを特徴とする請求項1に記載の半導体装置。
- 前記周辺回路部は整合回路部であることを特徴とする請求項1に記載の半導体装置。
- 前記周辺回路部はバイアス回路部であることを特徴とする請求項1に記載の半導体装置。
- 前記周辺回路部は整合回路部およびバイアス回路部であることを特徴とする請求項1に記載の半導体装置。
- 前記第1金属層は、前記整合回路部および前記バイアス回路部のいずれか一方若しくは両方を貫通するヴィアホール内に形成されることを特徴とする請求項6に記載の半導体装置。
- 前記周辺回路部はコンデンサ素子を含むことを特徴とする請求項1に記載の半導体装置。
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JP2008537526A JP5085552B2 (ja) | 2006-10-02 | 2007-10-01 | 半導体装置 |
PCT/JP2007/069221 WO2008041682A1 (fr) | 2006-10-02 | 2007-10-01 | Dispositif à semi-conducteur |
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EP (1) | EP2073264B1 (ja) |
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EP2161754A3 (en) * | 2008-09-03 | 2010-06-16 | Kabushiki Kaisha Toshiba | A semiconductor device and fabrication method for the same |
JP5631607B2 (ja) * | 2009-08-21 | 2014-11-26 | 株式会社東芝 | マルチチップモジュール構造を有する高周波回路 |
JP5655339B2 (ja) * | 2010-03-26 | 2015-01-21 | サンケン電気株式会社 | 半導体装置 |
TWI655656B (zh) * | 2016-12-20 | 2019-04-01 | 日商 Tdk 股份有限公司 | Substrate with film capacitor sheet |
JP6912716B2 (ja) * | 2017-08-10 | 2021-08-04 | 富士通株式会社 | 半導体装置及びその製造方法 |
US11715720B2 (en) | 2020-09-11 | 2023-08-01 | Navitas Semiconductor Limited | Integrated half-bridge power converter |
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TW200834870A (en) | 2008-08-16 |
EP2073264A4 (en) | 2010-05-05 |
EP2073264A1 (en) | 2009-06-24 |
JPWO2008041682A1 (ja) | 2010-02-04 |
KR20080114803A (ko) | 2008-12-31 |
WO2008041682A1 (fr) | 2008-04-10 |
KR101058991B1 (ko) | 2011-08-23 |
TWI376780B (ja) | 2012-11-11 |
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US8357942B2 (en) | 2013-01-22 |
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