JP6237647B2 - 放熱部材を備えた半導体装置 - Google Patents
放熱部材を備えた半導体装置 Download PDFInfo
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- JP6237647B2 JP6237647B2 JP2014555397A JP2014555397A JP6237647B2 JP 6237647 B2 JP6237647 B2 JP 6237647B2 JP 2014555397 A JP2014555397 A JP 2014555397A JP 2014555397 A JP2014555397 A JP 2014555397A JP 6237647 B2 JP6237647 B2 JP 6237647B2
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Description
以下、第1の実施形態に係る半導体装置について、図1A〜図1C及び図2A〜図2Cを参照しながら説明する。
以下、第1の実施形態の第1変形例に係る半導体装置について、図14A〜図14Cを参照しながら説明する。
以下、第1の実施形態の第2変形例に係る半導体装置について、図16A〜図16Cを参照しながら説明する。
以下、第1の実施形態およびその変形例に係る半導体装置が備える放熱部材4の変形例を説明する。
以下、第2の実施形態に係る半導体装置について、図18A〜図18C及び図19A〜図19Cを参照しながら説明する。ここでは、第1の実施形態と異なる構成を主に説明する。
以下、第2の実施形態に係る半導体装置の製造方法について、図20A及び図20Bを参照しながら説明する。
2 基台
2a スリット
3 接続部材
4 放熱部材
4a 切り欠き部(空間部)
4b 開口部(空間部)
5 封止材
6 接着層
7 電極
8,208 内部端子
9 外部端子
10 接着材
11 第1のブロック
12 第2のブロック
13 第3のブロック
14 放熱部材枠部
15 放熱部材フレーム
16 リリースフィルム
17 基台枠部
18 基台フレーム
Claims (18)
- 主面上に端子が配置された基台と、
前記基台の主面上に保持され、上面に電極が配置された第1の半導体素子と、
前記端子と前記電極とを接続する接続部材と、
前記基台の主面上に、前記端子、前記第1の半導体素子及び前記接続部材を覆うように配置された封止材と、
前記封止材の上に配置された放熱部材とを備え、
前記放熱部材における前記接続部材の上側部分には空間部が形成され、
前記空間部には、前記封止材が配されており、
前記基台の側面方向から見て、前記接続部材の頂点は、前記空間部の内側に位置しており、
前記放熱部材は、前記第1の半導体素子の上側部分と前記接続部材の配置領域の上側部分とを除く領域を覆う第1のブロック及び第2のブロックと、前記第1のブロックと前記第2のブロックとを互いに連結し且つ前記第1の半導体素子の上側部分を覆う第3のブロックとから構成される平面H字状を有していることを特徴とする半導体装置。 - 前記放熱部材の側面と前記封止材の側面と前記基台の側面とは一平面をなすことを特徴とする請求項1に記載の半導体装置。
- 前記放熱部材の上面と前記封止材の上面とは一平面をなすことを特徴とする請求項2に記載の半導体装置。
- 前記第3のブロックは、前記基台の第1の側面から前記第1の側面と対向する第2の側面までの上側の領域を覆っており、
前記第1のブロックは、前記基台の前記第1の側面の外側に位置して前記第1の側面を覆うと共に、
前記第2のブロックは、前記基台の前記第2の側面の外側に位置して前記第2の側面を覆うことを特徴とする請求項1に記載の半導体装置。 - 前記放熱部材は、前記第1および第2のブロックよりも、前記第3のブロックの厚みが薄いことを特徴とする請求項4に記載の半導体装置。
- 前記放熱部材において前記第3のブロックの厚みが、前記半導体素子の上面から前記封止材の上面までの厚みよりも薄いことを特徴とする請求項4に記載の半導体装置。
- 前記放熱部材における前記空間部は、平面視において、前記接続部材の配置領域から前記封止材の側面までを露出する切り欠き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。
- 前記切り欠き部は、その平面形状が前記放熱部材の中心部から外側に向かうにつれて切り欠き幅が大きくなるように形成されていることを特徴とする請求項7に記載の半導体装置。
- 前記空間部は、前記接続部材の配置領域の上側部分を開口する開口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。
- 前記開口部は、その平面形状が前記放熱部材の中心部から外側に向かうにつれて開口幅が大きくなるように形成されていることを特徴とする請求項9に記載の半導体装置。
- 前記放熱部材は、前記基台の少なくとも1つの側面から外側の領域に拡張して形成され、
前記基台の少なくとも1つの側面は、前記放熱部材により覆われていることを特徴とする請求項9又は10に記載の半導体装置。 - 前記放熱部材と前記第1の半導体素子との隙間は、50μm以上且つ100μm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。
- 前記封止材は、フィラーを含有しない第1の封止材と、フィラーを含有する第2の封止材とを含み、
前記放熱部材と前記第1の半導体素子との隙間には、前記第1の封止材が封入され、
前記放熱部材と前記第1の半導体素子との隙間を除く領域には、前記第2の封止材が封入されていることを特徴とする請求項1に記載の半導体装置。 - 前記封止材は、金属を含有する第1の封止材と、金属を含有しない第2の封止材とを含み、
前記放熱部材と前記第1の半導体素子との隙間には、前記第1の封止材が封入され、
前記放熱部材と前記第1の半導体素子との隙間を除く領域には、前記第2の封止材が封入されていることを特徴とする請求項1に記載の半導体装置。 - 主面上に端子が配置された基台と、
前記基台の主面上における前記端子を除く領域に配置された放熱部材と、
前記放熱部材の上に保持され、上面に電極が配置された第1の半導体素子と、
前記端子と前記電極とを接続する接続部材と、
前記基台の主面上に、前記端子、前記第1の半導体素子及び前記接続部材を覆うように配置された封止材とを備え、
前記放熱部材は、前記基台上の前記接続部材の配置領域を除く領域の上面が、前記接続部材の頂点よりも高く形成されており、
前記放熱部材は、前記基台上における前記第1の半導体素子と前記接続部材の配置領域の上側部分とを除く領域を覆う第1のブロック及び第2のブロックと、前記第1のブロックと前記第2のブロックとを互いに連結する第3のブロックとから構成される平面H字状を有していることを特徴とする半導体装置。 - 前記放熱部材の側面と前記封止材の側面と前記基台の側面とは、一平面をなすことを特徴とする請求項15に記載の半導体装置。
- 前記基台は、リードフレームであることを特徴とする請求項1又は15に記載の半導体装置。
- 前記基台は、第2の半導体素子であることを特徴とする請求項1又は15に記載の半導体装置。
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