JP5649878B2 - 半導体装置およびその検査方法、並びに電気機器 - Google Patents
半導体装置およびその検査方法、並びに電気機器 Download PDFInfo
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Description
図1および図2は本発明の実施形態1に係る半導体装置を説明する図であり、図1(a)は、全体構成を示す斜視図、図1(b)は一部断面図、図1(c)は図1(b)に対応する平面図である。また、図2(a)は、この実施形態1の半導体装置の裏面電極の平面パターンを示している。
(実施形態2)
図2(b)〜図2(d)は、本発明の実施形態2およびその変形例による半導体発光装置を説明する図であり、図2(b)は、本実施形態2による半導体発光装置を説明する図である。
(実施形態2の変形例1)
図2(c)は、本実施形態2の変形例1による半導体発光装置20を説明する図である。
(実施形態2の変形例2)
図2(d)は、本実施形態2の変形例2を説明する図である。
(実施形態3)
図4は本発明の実施形態3による半導体発光装置を説明する図であり、図4(a)は、平面図、図4(b)は底面図、図4(c)は側面図である。
(実施形態3の変形例1)
図5は本発明の実施形態3の変形例1による半導体発光装置を説明する図であり、図5(a)は平面図、図5(b)は底面図、図5(c)は側面図である。
(実施形態3の変形例2)
図6は本発明の実施形態3の変形例2による半導体発光装置を説明する図であり、図6(a)は平面図、図6(b)は底面図、図6(c)は側面図である。
15a、15b、25a、25b、35a、35b 裏面個別カソード電極
15c、16c、35c、36c 切り込み部
16a、16b、26a、26b、36a、36b 裏面個別アノード電極
101、111、121、131 セラミック基板
101a、121a、131a 封止樹脂
103、113、135、230、330 表面カソード電極
104、114、136、240、340 表面アノード電極
105、106 側面電極
105a、105b 裏面個別カソード電極
106a、106b 裏面個別アノード電極
108 メッキ層
115、116、123、124、133 スルーホール貫通導体
115a、115b 裏面個別カソード電極
116a、116b 裏面個別アノード電極
123a、133a 表面カソード電極本体部
123b、133b 表面カソード電極分離部
124a、134a 表面アノード電極本体部
124b、134b 表面アノード電極分離部
125、150 裏面カソード電極
126、160 裏面アノード電極
127 リフレクタ部材
B ベース基板
Rc チップ領域
SLh 横方向のスクライブ溝
SLv 縦方向のスクライブ溝
TH スルーホール
W ボンディングワイヤ
Claims (14)
- 絶縁性基板上に半導体素子を実装してなる半導体装置であって、
該絶縁性基板の表面側に形成され、該半導体素子の素子電極と接続される基板表面電極と、
該絶縁性基板の裏面側に形成され、該基板表面電極と電気的に接続される基板裏面電極と、
該絶縁性基板の厚み方向に沿ってその表面および裏面の一方側から他方側に延び、該基板表面電極と該基板裏面電極とを電気的に接続する複数の接続電極とを備え、
該基板表面電極および該基板裏面電極の一方は、
該複数の接続電極の各々毎に分離された平面パターンを持つよう形成されており、
該基板表面電極および該基板裏面電極の他方は、
該複数の接続電極のすべてと接続される、連続した単一の平面パターンを持つよう形成されている、半導体装置。 - 請求項1に記載の半導体装置において、
前記基板表面電極は、前記複数の接続電極の全てと電気的に接続される、連続した単一の平面パターンを持つよう形成されており、
前記基板裏面電極は、該複数の接続電極の各々毎に分離された平面パターンを持つよう形成されている、半導体装置。 - 請求項1に記載の半導体装置において、
前記基板表面電極は、前記複数の接続電極の各々毎に分離された平面パターンを持つよう形成されており、
前記基板裏面電極は、前記複数の接続電極の全てと電気的に接続される、連続した単一の平面パターンを持つよう形成されている、半導体装置。 - 請求項2に記載の半導体装置において、
前記絶縁性基板上に配置された前記半導体素子を封止する封止樹脂を備え、
前記絶縁性基板の側面には、その表面および裏面の一方側から他方側に延びる切欠部が形成され、
前記複数の接続電極は、該切欠部の表面に形成され、前記基板表面電極と前記基板裏面電極とを電気的に接続する複数の側面電極である、半導体装置。 - 請求項4に記載の半導体装置において、
前記側面電極と前記基板表面電極との接続部は、前記封止樹脂が、該側面電極の形成されている切欠部に侵入するのを阻止されるよう形成した絶縁膜により覆われている、半導体装置。 - 請求項2に記載の半導体装置において、
前記絶縁性基板に形成され、その表面および裏面の一方側から他方側に延びるスルーホールを有し、
前記接続電極は、該スルーホールの内面に形成され、前記基板表面電極と前記基板裏面電極とを接続する複数の貫通電極である、半導体装置。 - 請求項5に記載の半導体装置において、
前記基板表面電極は、
前記絶縁性基板の表面側に形成され、前記半導体素子の第1の素子電極と接続される第1の基板表面電極と、
該絶縁性基板の表面側に形成され、該半導体素子の第2の素子電極と接続される第2の基板表面電極とを含み、
前記基板裏面電極は、
該絶縁性基板の裏面側に形成され、該第1の基板表面電極と電気的に接続される第1の基板裏面電極と、
該絶縁性基板の裏面側に形成され、該第2の基板表面電極と電気的に接続される第2の基板裏面電極とを含み、
前記側面電極は、
該絶縁性基板の厚み方向に沿ってその表面および裏面の一方側から他方側に延び、該第1の基板表面電極と該第1の基板裏面電極とを電気的に接続する複数の第1の側面電極と、
該絶縁性基板の厚み方向に沿ってその表面および裏面の一方側から他方側に延び、該第2の基板表面電極と該第2の基板裏面電極とを電気的に接続する複数の第2の側面電極とを含み、
該第1の基板裏面電極は、
該複数の第1の側面電極の各々毎に分離された平面パターンを持つよう形成されており、
該第2の基板裏面電極は、
該複数の第2の側面電極の各々毎に分離された平面パターンを持つよう形成されている、半導体装置。 - 請求項7に記載の半導体装置において、
前記半導体素子は、前記第1の素子電極としてカソード電極を有し、かつ前記第2の素子電極としてアノード電極を有する発光ダイオードであり、
前記第1の素子電極であるカソード電極と前記第1の基板表面電極とが接続され、
前記第2の素子電極であるアノード電極と前記第2の基板表面電極とが接続されている、半導体装置。 - 請求項8に記載の半導体装置において、
前記カソード電極と接続される第1の基板表面電極は、2つの前記第1の側面電極を介して前記第1の基板裏面電極と接続されており、
前記アノード電極と接続される第2の基板表面電極は、2つの前記第2の側面電極を介して前記第2の基板裏面電極と接続されている、半導体装置。 - 請求項1に記載の半導体装置において、
前記基板表面電極および前記基板裏面電極は、
前記絶縁性基板上に設定されている、該絶縁性基板のスクライブを行うためのスクライブラインと重ならないよう配置されている半導体装置。 - 請求項3に記載の半導体装置において、
前記絶縁性基板上に前記半導体素子を覆うよう形成され、該半導体素子を封止する封止体を有し、
前記基板表面電極は、該封止体の内部からその外部に達するよう形成されている、半導体装置。 - 請求項1に記載の半導体装置において、
前記絶縁性基板はセラミック基板である、半導体装置。 - 請求項1に記載の半導体装置を検査する検査方法であって、
前記基板表面電極が、前記複数の接続電極の各々毎に分離された平面パターンを持つとき、該基板表面電極の、分離された2つの平面パターンに対応する部分の間に電圧を印加し、前記基板裏面電極が、前記複数の接続電極の各々毎に分離された平面パターンを持つとき、該基板裏面電極の、分離された2つの平面パターンに対応する部分の間に電圧を印
加するステップと、
該電圧を印加するステップにより発生する電流値に基づいて、該複数の接続電極と該基板表面電極および該基板裏面電極との導通状態を確認するステップと
を含む、半導体装置の検査方法。 - 半導体装置を備えた電気機器であって、
該半導体装置は、請求項1ないし請求項12のいずれかに記載の半導体装置である電気機器。
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