JP7183551B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP7183551B2 JP7183551B2 JP2018047464A JP2018047464A JP7183551B2 JP 7183551 B2 JP7183551 B2 JP 7183551B2 JP 2018047464 A JP2018047464 A JP 2018047464A JP 2018047464 A JP2018047464 A JP 2018047464A JP 7183551 B2 JP7183551 B2 JP 7183551B2
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Description
また、半導体素子と、前記半導体素子と電気的に接続される接続端子と、前記半導体素子が設けられる放熱板と、前記放熱板に設けられ、前記半導体素子を収納する開口領域を囲い前記接続端子の一部を埋設する枠部と、前記枠部から前記開口領域側に突出し、前記放熱板と裏側との間に隙間が設けられた端子配置部とを備えるケースと、を有し、前記接続端子は、前記枠部から前記開口領域に延出し、前記半導体素子と電気的に接続されるおもて面が前記開口領域に表出されて、裏面が前記端子配置部と固着されている、内部端子部を備え、前記端子配置部の配置おもて面は前記内部端子部の前記おもて面が表出され、前記端子配置部の前記配置おもて面の反対側の配置裏面は前記配置おもて面に対して平行を成し、前記内部端子部の前記開口領域側の第1先端部が、前記端子配置部から前記開口領域側に表出して、前記端子配置部の前記開口領域側の第2先端部よりも前記開口領域側に突出し、前記第1先端部の両側部が前記第2先端部に揃っており、前記第1先端部の中央部が前記第2先端部よりも前記開口領域に突出して、前記内部端子部に段差が構成されている、半導体装置を提供する。
第1の実施の形態の半導体装置について、図1~図4を用いて説明する。図1は、第1の実施の形態における半導体装置の一例を示す要部断面図であり、図2は、第1の実施の形態における半導体装置の一例を示す要部平面図である。また、図3は、第1の実施の形態における半導体装置のケースの内壁部を示す断面図であり、図4は、第1の実施の形態における半導体装置の接続端子の要部拡大図である。
第2の実施の形態では、接続端子が第1の実施の形態とは異なる場合について、図14及び図15を用いて説明する。図14は、第2の実施の形態における半導体装置の一例を示す要部断面図であり、図15は、第2の実施の形態における半導体装置の接続端子の要部拡大図である。なお、図14に示す半導体装置10bが有する構成が半導体装置10と同じ場合には同じ符号を付しており、詳細な説明は省略する。図15は、第1の実施の形態の図4(A)に相当するものであり、図14の一点鎖線X-Xの断面図における内部端子部25aの近傍の斜視図である。また、図15(A),(B)は、接続端子25の異なる内部端子部25aをそれぞれ表している。
11 半導体素子
12 セラミック回路基板
12a 絶縁板
12b 導電パターン
12c 金属板
13 放熱板
14 ケース
14a 枠部
14a1 開口領域
14b 内壁部
14c 端子配置部
14c1 端子領域
14c2,15a1,25a1 裏面
14c3,15a2,25a2 おもて面
14c4 クラック起点
14c5 第2先端部
14e 上面
15,25 接続端子
15a,25a 内部端子部
15a3,15a4,25a3,25a4 側面
15a5,25a5 第1先端部
15b 連係部
15c 外部端子部
15d 粗面化領域
16 ボンディングワイヤ
17a,17b はんだ
18 封止樹脂
Claims (10)
- 半導体素子と、
前記半導体素子と電気的に接続される接続端子と、
前記半導体素子を収納する開口領域を囲い前記接続端子の一部を埋設する枠部と、前記枠部から前記開口領域側に突出した端子配置部とを備えるケースと、を有し、
前記接続端子は、前記枠部から前記開口領域に延出し、前記半導体素子と電気的に接続されるおもて面が前記開口領域に表出されて、裏面が前記端子配置部と固着されている、内部端子部を備え、
前記内部端子部は、前記裏面に複数の微細凹凸が形成された粗面化領域が形成され、前記粗面化領域に複数の微細穴が形成されている、
半導体装置。 - 半導体素子と、
前記半導体素子と電気的に接続される接続端子と、
前記半導体素子が設けられる放熱板と、
前記放熱板に設けられ、前記半導体素子を収納する開口領域を囲い前記接続端子の一部を埋設する枠部と、前記枠部から前記開口領域側に突出し、前記放熱板と裏側との間に隙間が設けられた端子配置部とを備えるケースと、を有し、
前記接続端子は、前記枠部から前記開口領域に延出し、前記半導体素子と電気的に接続されるおもて面が前記開口領域に表出されて、裏面が前記端子配置部と固着されている、内部端子部を備え、
前記端子配置部の配置おもて面は前記内部端子部の前記おもて面が表出され、前記端子配置部の前記配置おもて面の反対側の配置裏面は前記配置おもて面に対して平行を成し、
前記内部端子部の前記開口領域側の第1先端部が、前記端子配置部から前記開口領域側に表出して、前記端子配置部の前記開口領域側の第2先端部よりも前記開口領域側に突出し、
前記第1先端部の両側部が前記第2先端部に揃っており、前記第1先端部の中央部が前記第2先端部よりも前記開口領域に突出して、前記内部端子部に段差が構成されている、
半導体装置。 - 前記複数の微細凹凸の算術平均粗さは0.1μm以上、1000μm以下である、
請求項1に記載の半導体装置。 - 前記複数の微細穴の直径の平均は20nm以上、1000nm以下である、
請求項1または3に記載の半導体装置。 - 前記内部端子部は、前記おもて面及び前記裏面に垂直であり、前記端子配置部に埋設されている、一対の側面を備え、
前記一対の側面に前記粗面化領域が形成されている、
請求項1、3または4のいずれかに記載の半導体装置。 - 前記接続端子は、銅、アルミニウム、ニッケル、鉄、または少なくともこれらの一種を含む合金により構成されている、
請求項1乃至5のいずれかに記載の半導体装置。 - 前記ケースは、ポリフェニレンサルファイド、ポリブチレンテレフタレート樹脂、ポリフタルアミド樹脂またはナイロン樹脂により構成されている、
請求項1乃至6のいずれかに記載の半導体装置。 - 前記内部端子部の前記開口領域側の第1先端部が、前記端子配置部から前記開口領域側に表出している、
請求項1、3乃至7のいずれかに記載の半導体装置。 - 前記第1先端部が、前記端子配置部の前記開口領域側の第2先端部よりも前記開口領域側に突出している、
請求項8に記載の半導体装置。 - 前記第1先端部の両側部が前記第2先端部に揃っており、前記第1先端部の中央部が前記第2先端部よりも前記開口領域に突出して、前記内部端子部に段差が構成されている、
請求項9に記載の半導体装置。
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