JP6743542B2 - 半導体装置及び半導体装置用ケース - Google Patents
半導体装置及び半導体装置用ケース Download PDFInfo
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Description
本発明の実施の形態に係る半導体装置は、図1に示すように、回路基板側ランド31aを有する回路基板30を載置する天井壁60tを有し、この天井壁の回路基板側ランド31aに対応する位置に開口部を有する箱型のケース60を備える。また本発明の実施の形態に係る半導体装置は、ケース60の内部に収納され出力用電極21aを有する半導体チップ20aと、ケース60の内部に収納され、下端が出力用電極21aの表面に接続された導電性ブロック40aと、を備える。
次に、図1〜図3に示した本発明の実施の形態に係る半導体装置の製造方法を、図4〜図9を参照して、2個の半導体チップ20a,20bを例示して説明する。尚、説明の便宜のため、2個の半導体チップ20a,20bのうち、一方の半導体チップ20b側における符号の付記は簡略化する。
本発明は上記の開示した実施の形態によって説明したが、この開示の一部をなす論述及び図面は、本発明を限定するものであると理解すべきではない。この開示から当業者には様々な代替実施の形態、実施例及び運用技術が明らかになると考えられるべきである。
10a 固定用貫通孔
20a〜20f 半導体チップ
21a,21b 出力用電極
22a オープンエミッタ用電極
23a ゲート電極
30 回路基板
30a 固定用貫通孔
31a,31b,31z 回路基板側ランド
40a,40b,40z 導電性ブロック
41a 基台部
43a 突起部
50a〜50f,50z 接続端子
51a 第1接触部
51b 第2接触部
53a 第1湾曲部
53b 第2湾曲部
55a 第1スライド部
55b 第2スライド部
60 ケース
60a 固定用貫通孔
60a1,60b1 第1格納空間
60a2,60b2 第2格納空間
60c1〜60f1 第1格納空間
60t 天井壁
60z1 第1格納空間
60z2 第2格納空間
61a,61b 支持側壁部
61c 狭窄部
62a,62b 支持側壁部
62c 狭窄部
70 蓋部材
70a 固定用貫通孔
80 固定用ボルト
Claims (10)
- 第1の回路基板側ランドを有する回路基板を載置する天井壁を有し、該天井壁の前記第1の回路基板側ランドに対応する位置に第1の開口部を有する箱型の半導体装置用ケースと、
前記半導体装置用ケースの内部に収納され出力用電極を有する半導体チップと、
前記半導体装置用ケースの内部に収納され、下端が前記出力用電極の表面に接続された第1の導電性ブロックと、
断面が細長いU字状の部分を有するように互いに対向面を有して折れ曲がり、前記第1の開口部において前記U字の底に対応する上端を介して前記第1の回路基板側ランドに接続され、前記U字の頂部に対応する下端において前記対向面を介して前記第1の導電性ブロックの上部の両側を挟んで接触する第1の接続端子と、
前記半導体装置用ケースに固定され、前記半導体装置用ケースの内部において前記上端以外の前記第1の接続端子を覆う一対の支持側壁部と、
を備え、
前記一対の支持側壁部は、前記一対の支持側壁部の間に定義される幅が最も狭い狭窄部を、前記第1の接続端子及び前記第1の導電性ブロックの接触位置より上側の位置に有し、
前記狭窄部において、前記第1の接続端子の両側から前記第1の接続端子に前記一対の支持側壁部のそれぞれを接触させることにより、前記第1の導電性ブロックが前記第1の接続端子の内壁を押圧することを特徴とする半導体装置。 - 前記第1の接続端子のU字をなす一対の側壁には、同じ高さ位置で測ったときの外壁面間の長さが、前記狭窄部の幅より長い膨張部が設けら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。
- 前記膨張部が、前記狭窄部よりも上側に設けられていることを特徴とする請求項2に記載の半導体装置。
- 前記第1の接続端子の上端には、それぞれが前記第1の回路基板側ランドに向かって突出する凸部をなす2個以上の接触部が、前記第1の開口部の幅方向に沿って並んで設けられていることを特徴とする請求項1〜3のいずれか一項に記載の半導体装置。
- 前記第1の接続端子は、1枚の板状部材で構成されていることを特徴とする請求項1〜4のいずれか一項に記載の半導体装置。
- 前記第1の導電性ブロックは、前記出力用電極の表面に沿って延在する下面と、前記第1の接続端子に向かって突出する突起部とを有し、
前記下面を前記出力用電極の表面に接合して設けられ、前記突起部を前記上部として前記対向面に両側を挟まれて接触することを特徴とする請求項1〜5のいずれか一項に記載の半導体装置。 - 前記半導体チップを搭載する絶縁基板を更に備え、前記絶縁基板によって前記半導体装置用ケースの底部を閉じることを特徴とする請求項1〜6のいずれか一項に記載の半導体装置。
- 前記回路基板は、第2の回路基板側ランドを有し、
前記半導体チップは、オープンエミッタ用電極を有し、
前記半導体装置用ケースは、前記天井壁の前記第2の回路基板側ランドに対応する位置に第2の開口部を有し、
前記半導体装置用ケースの内部に収納され、下端が前記オープンエミッタ用電極の表面に接続された第2の導電性ブロックと、
断面が細長いU字状の部分を有するように互いに対向面を有して折れ曲がり、前記第2の開口部において前記U字の底に対応する上端を介して前記第2の回路基板側ランドに接続され、前記U字の頂部に対応する下端において前記対向面を介して前記第2の導電性ブロックの上部の両側を挟んで接触する第2の接続端子と、を更に備えることを特徴とする請求項1〜7のいずれか一項に記載の半導体装置。 - 前記半導体チップは、逆導通絶縁ゲート型バイポーラトランジスタであることを特徴とする請求項1〜8のいずれか一項に記載の半導体装置。
- 回路基板側ランドを有する回路基板を載置する天井壁を有し、該天井壁の前記回路基板側ランドに対応する位置に開口部を有する箱型の外壁部と、
断面が細長いU字状の部分を有するように互いに対向面を有して折れ曲がり、前記の開口部において前記U字の底に対応する上端を介して前記回路基板側ランドに接続され、前記U字の頂部に対応する下端において前記対向面を介して前記外壁部の内部に収納された半導体チップと接続する接続端子と、
前記天井壁に固定された互いに対向する一対の支持側壁部であって、前記一対の支持側壁部の間に定義される幅が最も狭い狭窄部を介して前記接続端子を支持し、前記外壁部の内部において前記上端以外の前記接続端子を覆う前記一対の支持側壁部と、
を備え、
前記接続端子は、前記U字の頂部に対応する下端において前記対向面を介して前記半導体チップの表面に接続された導電性ブロックの上部の両側を挟んで接触し、
前記一対の支持側壁部は、前記狭窄部を、前記接続端子及び前記導電性ブロックの接触位置より上側の位置に有し、
前記狭窄部において、前記接続端子の両側から前記接続端子に前記一対の支持側壁部のそれぞれを接触させることにより、前記導電性ブロックが前記接続端子の内壁を押圧することを特徴とする半導体装置用ケース。
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