JP2010538462A - 集積回路ダイのパッケージング方法 - Google Patents
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Abstract
Description
Claims (20)
- ボンドパッドを有する集積回路(IC)ダイのパッケージング方法であって、前記ボンドパッドは前記ICダイの活性表面上に配置されており、前記方法は、
支持基板の上に離型フィルムを取着する工程であって、前記離型フィルムが前記支持基板と反対側の前記離型フィルムの一面上に配置された接着性コーティングを有する、工程と、
前記活性表面が前記離型フィルムと接触した状態で前記支持基板上に前記ICダイを配置する工程と、
前記接着性コーティングの上方に膨張剤を塗布する工程と、
前記膨張剤の塗布に反応して、前記接着性コーティングが前記ボンドパッドと接触するように膨張することを許容する工程と、
成型材料内で前記ICダイをカプセル化する工程と、
前記支持基板から前記ICダイを取り外す工程と、を備える方法。 - 請求項1に記載の方法において、前記膨張剤として溶媒を選択する工程を更に備える方法。
- 請求項2に記載の方法において、前記選択する工程は無極性溶媒を選択する工程を含む、方法。
- 請求項2に記載の方法において、沸点が50℃から150℃の範囲内である一群の溶媒から前記溶媒を選択する工程を更に備える方法。
- 請求項1に記載の方法において、前記膨張剤としてトルエンを選択する工程を更に備える方法。
- 請求項1に記載の方法において、シリコンポリマから形成される前記接着性コーティングを有する前記離型フィルムを選択する工程を更に備える方法。
- 請求項1に記載の方法において、前記塗布する工程が前記膨張剤を前記接着性コーティングの上方に均一に散布する工程を含む、方法。
- 請求項1に記載の方法において、前記塗布する工程が前記膨張剤を霧状の噴霧液として前記接着性コーティングの上方に散布する工程を含む、方法。
- 請求項1に記載の方法において、前記塗布する工程が前記膨張剤を前記接着性コーティングの上方に3447〜34474パスカル(0.5〜5ポンド/平方インチ)の範囲内の圧力で噴霧する工程を含む、方法。
- 請求項1に記載の方法において、前記許容する工程が、前記接着性コーティングからなる隅肉を前記ICダイの外縁の周囲に形成する工程を含み、前記隅肉が概ね0.5マイクロメートルから100マイクロメートルの範囲の高さを有する、方法。
- 請求項1に記載の方法において、前記接着性コーティングが前記ICダイの少なくとも活性表面の周囲で膨張することにより、前記成型材料が前記ICダイの前記ボンドパッド上に流れることを防止する工程を更に備える方法。
- 請求項1に記載の方法において、前記ICダイは複数のICダイのうちの一つであり、前記複数のICダイの各々が前記活性表面を有し、前記方法は更に、
前記活性表面が前記離型フィルムと接触した状態で前記支持基板上に前記複数のICダイの各々を配置する工程と、
前記離型フィルムの前記接着性コーティングの上に膨張剤を塗布する工程と、
前記膨張剤の塗布に反応して、前記接着性コーティングが前記複数のICダイの各々の前記活性表面上における前記ボンドパッドと接触するように膨張することを許容する工程と、
前記塗布する工程後に、前記成型材料内に前記複数のICダイを一斉にカプセル化する工程と、
前記カプセル化する工程後に、パネルとしての前記支持基板から前記複数のICダイを取り外す工程と、
個々のICパッケージを形成するために前記パネルの前記複数のICダイを分離する工程と、を備える方法。 - 集積回路(IC)ダイのパッケージ工程中に少なくとも一つのICダイを一時的に保持するための構造であって、前記ICダイが同ICダイの活性表面に配置されたボンドパッドを有し、前記構造は、
支持基板と、
前記支持基板の一表面を覆う離型フィルムとを備え、同離型フィルムはシリコンポリマの接着性コーティングで被覆されたポリイミドのライナを含み、前記接着性コーティングは少なくとも一つの前記ICダイの前記活性表面を前記支持基板上の所望の位置に一時的に保持するとともに、前記接着性コーティングを膨張させるように適合された溶媒の塗布に反応して前記ICダイの少なくとも前記活性表面をカプセル化する量だけ膨張し、前記溶媒は、前記接着性コーティングが前記ボンドパッドと接触するように膨張して前記ICダイの少なくとも前記活性表面をカプセル化するように、前記接着性コーティングの上方に霧状の噴霧液として均一に散布される、構造。 - 請求項13に記載の構造において、前記溶媒が50℃から150℃の範囲内の沸点を有する、構造。
- 請求項13に記載の構造において、前記溶媒は無極性溶媒である、構造。
- 請求項13に記載の構造において、前記溶媒はトルエンを含む、構造。
- ボンドパッドを有する集積回路(IC)ダイのパッケージング方法であって、前記ボンドパッドは前記ICダイの活性表面上に配置されており、前記方法は、
支持基板の上に離型フィルムを取着する工程であって、前記離型フィルムが前記支持基板と反対側の前記離型フィルムの一面上に位置する接着性コーティングを有する、工程と、
前記活性表面が前記離型フィルムと接触した状態で前記支持基板上に前記ICダイを配置する工程と、
前記接着性コーティングの上方に霧状の噴霧液として膨張剤を均一に散布することにより、前記接着性コーティングの上方に前記膨張剤を塗布する工程と、
前記膨張剤の塗布に反応して、前記接着性コーティングが前記ボンドパッドと接触するように膨張することを許容する工程と、
成型材料内に前記ICダイをカプセル化する工程であって、前記接着性コーティングが前記ICダイの周囲で膨張するとき、前記成型材料が前記ICダイの前記ボンドパッド上に流れることが防止される、工程と、
前記ICダイをカプセル化する工程後、前記支持基板から前記ICダイを取り外す工程と、を備える方法。 - 請求項17に記載の方法において、シリコンポリマから形成される前記接着性コーティングを有する前記離型フィルムを利用する工程と、
前記膨張剤として無極性溶媒を選択する工程と、を更に備える方法。 - 請求項17に記載の方法において、沸点が50℃から150℃の範囲内である一群の溶媒から溶媒を選択する工程を更に備える方法。
- 請求項17に記載の方法において、前記許容する工程が、前記接着性コーティングからなる隅肉を前記ICダイの外縁の周囲に形成する工程を含み、前記隅肉が概ね0.5マイクロメートルから100マイクロメートルの範囲の高さを有する、方法。
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US11/846,671 US7595226B2 (en) | 2007-08-29 | 2007-08-29 | Method of packaging an integrated circuit die |
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PCT/US2008/068076 WO2009032389A1 (en) | 2007-08-29 | 2008-06-25 | Method of packaging an integrated circuit die |
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US (1) | US7595226B2 (ja) |
EP (1) | EP2186125A1 (ja) |
JP (1) | JP5187863B2 (ja) |
KR (1) | KR101483419B1 (ja) |
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US20090061564A1 (en) | 2009-03-05 |
KR101483419B1 (ko) | 2015-01-16 |
US7595226B2 (en) | 2009-09-29 |
CN101790781B (zh) | 2012-06-13 |
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