JP7258187B2 - 半導体装置の製造方法、樹脂封入部材、半導体装置及び電力変換装置 - Google Patents
半導体装置の製造方法、樹脂封入部材、半導体装置及び電力変換装置 Download PDFInfo
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- JP7258187B2 JP7258187B2 JP2021570024A JP2021570024A JP7258187B2 JP 7258187 B2 JP7258187 B2 JP 7258187B2 JP 2021570024 A JP2021570024 A JP 2021570024A JP 2021570024 A JP2021570024 A JP 2021570024A JP 7258187 B2 JP7258187 B2 JP 7258187B2
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19107—Disposition of discrete passive components off-chip wires
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- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Description
実施の形態1の樹脂封入部材、樹脂封入部材を用いた半導体装置の製造方法及び半導体装置について、図1から図6を用いて説明する。
実施の形態2の樹脂封入部材、樹脂封入部材を用いた半導体装置の製造方法及び半導体装置について、図19から図23を用いて説明する。
上述した実施の形態1又は2に係る半導体装置が搭載された、実施の形態3の電力変換装置について図24を用いて説明する。図24は、本実施の形態の電力変換装置を説明するためのブロック図であり、図24の全体は本実施の形態の電力変換装置が適用された電力変換システムを示している。以下、実施の形態3が三相のインバータである場合について具体的に説明する。
Claims (16)
- 半導体素子が搭載された支持部材上に、熱硬化性樹脂を含有する主剤を含む液状の樹脂組成物が包装体の内部に封入された樹脂封入部材を載置する第1工程と、
前記包装体を開封し、前記樹脂組成物を前記支持部材上において前記半導体素子を取り囲むように流出させる第2工程と、
第1の温度で加熱して、前記樹脂組成物を硬化させる第3工程と、を含む半導体装置の製造方法。 - 前記包装体は熱可塑性樹脂からなり、
前記第2工程において、前記第1の温度よりも低い第2の温度で加熱して前記包装体を熱変形させることで開封することを特徴とする請求項1に記載の半導体装置の製造方法。 - 前記樹脂組成物は、前記主剤を硬化するための硬化剤をさらに含み、
前記包装体は、前記主剤を封入する第1の包装体と、前記硬化剤を封入する第2の包装体と、から構成されることを特徴とする請求項1又は2に記載の半導体装置の製造方法。 - 前記硬化剤を封入した前記第2の包装体は、前記主剤と共に前記第1の包装体に封入されていることを特徴とする請求項3に記載の半導体装置の製造方法。
- 前記樹脂組成物は、前記主剤を硬化するための硬化剤をさらに含み、
前記包装体は、前記主剤を封入する主剤封入部、及び前記主剤封入部と断面視で同一平面上に配置され前記硬化剤を封入する硬化剤封入部を有することを特徴とする請求項1又は2に記載の半導体装置の製造方法。 - 前記樹脂組成物は、前記主剤を硬化するための硬化剤をさらに含み、
前記硬化剤は、熱可塑性樹脂からなるマイクロカプセルに内包されて前記主剤中に分散さ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の製造方法。 - 前記第2工程と前記第3工程との間に行われる第4工程をさらに含み、
前記第4工程において、前記第2の温度より高く、かつ前記第1の温度より低い第3の温度で加熱して前記マイクロカプセルを熱変形させることを特徴とする請求項6に記載の半導体装置の製造方法。 - 前記第2工程において、突起により前記包装体に穴を開けて開封することを特徴とする請求項1から7のいずれか1項に記載の半導体装置の製造方法。
- 前記包装体は水溶性であり、
前記第2工程において、前記包装体に水を滴下して前記包装体を溶解して開封することを特徴とする請求項1から8のいずれか1項に記載の半導体装置の製造方法。 - 前記第3工程において、真空オーブンを用いて加熱を行うこと
を特徴とする請求項1から9のいずれか1項に記載の半導体装置の製造方法。 - 前記第2工程から前記第3工程までの少なくとも1つの工程において、前記支持部材に振動を与えて前記樹脂組成物を混合させることを特徴とする請求項1から10のいずれか1項に記載の半導体装置の製造方法。
- 熱硬化性樹脂を含有する主剤と前記主剤を硬化するための硬化剤とを含む液状の樹脂組成物と、
前記樹脂組成物を封入し、熱可塑性樹脂からなる包装体と、を備え、
前記包装体は、前記主剤を封入する主剤封入部、及び前記主剤封入部と断面視で同一平面上に配置され前記硬化剤を封入する硬化剤封入部を有することを特徴とする、樹脂封入部材。 - 板状の支持部材上に搭載された半導体素子と、
前記半導体素子を封止する硬化封止材と、
前記硬化封止材中に封止され、熱可塑性樹脂からなる薄膜状又は板状の部材と、
を備えた半導体装置。 - 前記支持部材の外周を取り囲む複数の面を有し、外部電極が取り付けられたケースと、
前記半導体素子と前記外部電極とを電気的に接続するワイヤと、
一端が前記ケースの第1の面に接続され、他端が前記第1の面に対向する面に接続されたステーと、をさらに備えることを特徴とする請求項13に記載の半導体装置。 - 前記ケース又は前記ステーに鋭利な突起が設けられていることを特徴とする請求項14に記載の半導体装置。
- 請求項13から15のいずれか1項に記載の半導体装置を有し、入力される電力を変換して出力する主変換回路と、
前記主変換回路を制御する制御信号を前記主変換回路に出力する制御回路と、を備えた電力変換装置。
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