JP7249935B2 - 半導体装置および半導体装置の製造方法 - Google Patents
半導体装置および半導体装置の製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 124
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Description
図1は、実施の形態1における半導体装置の構成を示す断面図である。
実施の形態2における半導体装置を説明する。実施の形態2は実施の形態1の下位概念であり、実施の形態2における半導体装置は、実施の形態1における半導体装置の各構成を含む。なお、実施の形態1と同様の構成および動作については説明を省略する。
実施の形態3における半導体装置を説明する。実施の形態3は実施の形態1の下位概念であり、実施の形態3における半導体装置は、実施の形態1における半導体装置の各構成を含む。なお、実施の形態1または2と同様の構成および動作については説明を省略する。
実施の形態4における半導体装置を説明する。実施の形態4は実施の形態1の下位概念であり、実施の形態4における半導体装置は、実施の形態1における半導体装置の各構成を含む。なお、実施の形態1から3のいずれかと同様の構成および動作については説明を省略する。
実施の形態5における半導体装置を説明する。実施の形態5は実施の形態1の下位概念であり、実施の形態5における半導体装置は、実施の形態1における半導体装置の各構成を含む。なお、実施の形態1から4のいずれかと同様の構成および動作については説明を省略する。
実施の形態6における半導体装置を説明する。実施の形態6は実施の形態1の下位概念であり、実施の形態6における半導体装置は、実施の形態1における半導体装置の各構成を含む。なお、実施の形態1から5のいずれかと同様の構成および動作については説明を省略する。
実施の形態7における半導体装置を説明する。実施の形態7は実施の形態1の下位概念であり、実施の形態7における半導体装置は、実施の形態1における半導体装置の各構成を含む。なお、実施の形態1から6のいずれかと同様の構成および動作については説明を省略する。
実施の形態8における半導体装置を説明する。実施の形態8は実施の形態1の下位概念であり、実施の形態8における半導体装置は、実施の形態1における半導体装置の各構成を含む。なお、実施の形態1から7のいずれかと同様の構成および動作については説明を省略する。
実施の形態9における半導体装置を説明する。実施の形態9は実施の形態1の下位概念であり、実施の形態9における半導体装置は、実施の形態1における半導体装置の各構成を含む。なお、実施の形態1から8のいずれかと同様の構成および動作については説明を省略する。
実施の形態10における半導体装置の製造方法を説明する。なお、実施の形態1から9のいずれかと同様の構成および動作については説明を省略する。
Claims (9)
- 半導体素子と、
表面に前記半導体素子を保持しており、かつ、裏面に前記半導体素子を冷却するための冷却体を取り付けることが可能なベース板と、
前記ベース板の前記裏面に離散的に配置され、前記ベース板と前記冷却体との間の放熱経路における間隙を埋めるための複数の接触材と、を備え、
前記複数の接触材の各々は、前記ベース板の前記裏面における反り形状に基づく体積を有し、
前記複数の接触材のうち、前記反り形状の凹部における接触材の前記体積は、前記反り形状の凸部における接触材の前記体積よりも大きく、
前記ベース板の前記裏面上に設けられる接触材層をさらに備え、
前記複数の接触材は、前記接触材層上に配置されている、
半導体装置。 - 前記複数の接触材のうち、前記ベース板の外周側に配置された接触材の前記体積は、中央側に配置された接触材の前記体積よりも小さい、請求項1に記載の半導体装置。
- 前記複数の接触材は、互いの面積が異なる2以上のパターンを含む、請求項1または請求項2に記載の半導体装置。
- 前記複数の接触材が単位面積あたりに占める面積の割合である面積占有率に関し、前記複数の接触材は、前記反り形状の起伏の程度に基づく前記面積占有率を有する、請求項1から請求項3のいずれか一項に記載の半導体装置。
- 前記複数の接触材は、
互いの面積が共通であり、かつ、厚みが異なる2以上のパターンを含む、請求項1から請求項4のいずれか一項に記載の半導体装置。 - 前記複数の接触材は、前記接触材層が設けられる領域のうち、前記ベース板の前記反り形状が、前記反り形状に関する予め定められた条件を満たす一部の領域に設けられている、請求項1に記載の半導体装置。
- 前記半導体素子を含む発熱体は、前記凹部の上方に設けられている、請求項1から請求項6のいずれか一項に記載の半導体装置。
- 前記ベース板の前記表面に直接接触している絶縁部材をさらに備え、
前記半導体素子は、前記絶縁部材の表面に設けられた回路パターンに接合されている、請求項1から請求項7のいずれか一項に記載の半導体装置。 - 表面に半導体素子を保持しており、かつ、裏面に前記半導体素子を冷却するための冷却体を取り付けることが可能なベース板を準備する工程と、
第1の層として、前記ベース板の裏面上に接触材層を配置する工程と、
前記ベース板と前記冷却体との間の放熱経路における間隙を埋めるための複数の接触材を、第2の層として前記接触材層の上に離散的に配置する工程と、を備え、
前記複数の接触材の各々は、前記ベース板の前記裏面における反り形状に基づく体積を有し、
前記複数の接触材のうち、前記反り形状の凹部における接触材の前記体積は、前記反り形状の凸部における接触材の前記体積よりも大きく、
前記複数の接触材を配置する工程は、
平面を有し、かつ、前記平面内に複数の穴を有するスクリーン版を、前記ベース板の前記裏面上に設置し、
前記スクリーン版の前記平面上に供給された接触材にスキージの一面を接触させ、前記スキージに対して前記ベース板の方向に応力を印加しながら、前記スキージを移動させることにより、前記複数の穴に充填して、前記複数の接触材をパターニングすることを含む、半導体装置の製造方法。
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US17/075,795 US11594464B2 (en) | 2019-12-26 | 2020-10-21 | Semiconductor device and semiconductor device manufacturing method |
DE102020132411.1A DE102020132411B4 (de) | 2019-12-26 | 2020-12-07 | Halbleitervorrichtung und Verfahren zum Herstellen einer Halbleitervorrichtung |
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