JP2008147604A - 突起状バンプまたはボールを有する、封止されたリードフレームを特徴とする半導体デバイスパッケージ - Google Patents
突起状バンプまたはボールを有する、封止されたリードフレームを特徴とする半導体デバイスパッケージ Download PDFInfo
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- JP2008147604A JP2008147604A JP2007009845A JP2007009845A JP2008147604A JP 2008147604 A JP2008147604 A JP 2008147604A JP 2007009845 A JP2007009845 A JP 2007009845A JP 2007009845 A JP2007009845 A JP 2007009845A JP 2008147604 A JP2008147604 A JP 2008147604A
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- die
- package
- lead
- present
- lead frame
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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
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Abstract
【解決手段】導電性バンプまたはボール206を介して、支持されたダイ202と電気的に導通するリードフレームを特徴とする半導体デバイスパッケージ200に関する。独立したダイパッド、およびダイパッドの縁部と、隣接する非一体化リードまたはピンとの間の水平方向の分離の必要性をなくすことにより、バンプ・オン・リードフレームプロセスにより製造されたパッケージの態様は、パッケージ専有面積におけるダイの利用可能なスペースを増大させ、多数のダイおよび/または多数の受動素子が、ダイパッドによって従来使われていたパッケージ内のスペースを占有することも可能にし得る。その結果、JEDECが指定する従来の小さな専有面積における完全なサブシステムに必要なダイと技術の組合せを可能にする。
【選択図】図2
Description
図1は、半導体デバイスを収容する従来のパッケージ100の単純化した平面図を示す。具体的には、半導体ダイ102はリードフレーム106の一部を形成するダイパッド104上に支持されている。リードフレーム106はダイパッド104と一体化しておらず、かつリードフレーム106を封止するパッケージ100のプラスチックボディ110から外部へ伸びるリード108も含む。ダイパッド104に近接するリード108の端部は、ボンドワイヤ(bond wire)114の一端部を収納するように構成されたリードボンドパッド(lead bondpad)109を含む。ボンドワイヤ114はパッケージングされたダイ102の表面102aから伸びて、非一体化リード112との電気的接触を提供する。
本発明の態様は、リードフレーム上に支持されたダイに接触する突起状バンプまたはボールを有する封止されたリードフレームを特徴とする半導体デバイスパッケージに関する。独立したダイパッド、およびダイパッドの縁部と、隣接する非一体化リードまたはピンとの間の水平方向の隔離に対する必要性をなくすことにより、本発明によるパッケージの態様は、所与のパッケージ専有面積におけるダイの使用可能なスペースを増大させる。本発明の態様は、多数のダイおよび/または多数の受動素子が、従来はダイパッドによって使われていた領域を占有することも可能にし得る。その結果、JEDECが指定する従来の小さな専有面積における完全なサブシステムに必要なダイと手法の組合せを可能にするフレキシブルなパッケージングプロセスがもたらされる。
プラスチックパッケージボディ内に封止されているダイと、
同じくプラスチックパッケージボディ内に封止されている導電性突起部、すなわちダイに重なるリードボンドパッド(lead bondpad)の一部を介してダイと電気的に導通するリードボンドパッドを含むリードフレームとを含む、パッケージである。
本発明(2)は、突起部が、ダイの表面から伸びるバンプまたはボールを含む、本発明(1)のパッケージである。
本発明(3)は、突起部がボンドパッドから伸びるバンプまたはボールを含む、本発明(1)のパッケージである。
本発明(4)は、突起部がソルダーボールを含む、本発明(1)のパッケージである。
本発明(5)は、突起部が、サーモソニック溶接されたボールを含む、本発明(1)のパッケージである。
本発明(6)は、リードフレームが、ダイに重なるタイバーをさらに含む、本発明(1)のパッケージである。
本発明(7)は、同じくプラスチックパッケージボディ内に封止され、かつタイバーとダイとの間の電気的導通を可能にする第2の導電性突起部をさらに含む、本発明(6)のパッケージである。
本発明(8)は、第2のダイをさらに含む、本発明(1)のパッケージである。
本発明(9)は、第2のダイが導電性突起部上のダイによって支持される、本発明(8)のパッケージである。
本発明(10)は、リードフレームが、同じくプラスチックパッケージボディ内に封止されている第2の導電性突起部、すなわち第2のダイに重なる第2のリードボンドパッドの一部を介して第2のダイと電気的に導通する第2のリードボンドパッドをさらに含む、本発明(8)のパッケージである。
本発明(11)は、ダイおよび第2のダイに重なるタイバーをさらに含む、本発明(8)のパッケージである。
本発明(12)は、ダイと第2のダイとがタイバーの同じ面に配置されている、本発明(11)のパッケージである。
本発明(13)は、ダイと第2のダイとがタイバーの対向面に配置されている、本発明(11)のパッケージである。
本発明(14)は、ダイおよび第2のダイが、追加的な導電性突起部を介してタイバーと電気的に導通している、本発明(11)のパッケージである。
本発明(15)は、第2のダイがダイパッド上に支持されている、本発明(8)のパッケージである。
本発明(16)は、ダイをパッケージングする方法であって、
導電性突起部を介してリードフレームの導電性リードボンドパッドと接触するダイを設ける工程;および
ダイおよびリードボンドパッドをプラスチックパッケージボディ内に封止する工程を含む方法である。
本発明(17)は、リードボンドパッドと一体化したリードがプラスチックパッケージボディの外に伸びている、本発明(16)の方法である。
本発明(18)は、ダイが導電性突起部を備えている、本発明(16)の方法である。
本発明(19)は、リードフレームが導電性突起部を備えている、本発明(16)の方法である。
本発明(20)は、リードフレームが、ダイに重なるタイバーをさらに備えている、本発明(16)の方法である。
本発明の態様は、リードフレーム上に支持されたダイに接触する突起状バンプまたはボールを有する、封止されたリードフレームを特徴とする半導体デバイスパッケージに関する。独立したダイパッド、およびダイパッドの縁部と、隣接する非一体化リードまたはピンとの間の水平方向の隔離に対する必要性をなくすことにより、本発明によるパッケージの態様は、所与のパッケージの専有面積におけるダイの使用可能なスペースを増大させる。本発明の態様は、多数のダイおよび/または多数の受動素子が、従来はダイパッドによって使われていた領域を占有することも可能にし得る。その結果、JEDECが指定する従来の小さな専有面積における完全なサブシステムに必要なダイと手法の組合せを可能にするフレキシブルなパッケージングプロセスがもたらされる。
Claims (20)
- プラスチックパッケージボディ内に封止されているダイと、
同じくプラスチックパッケージボディ内に封止されている導電性突起部、すなわちダイに重なるリードボンドパッド(lead bondpad)の一部を介してダイと電気的に導通するリードボンドパッドを含むリードフレームとを含む、パッケージ。 - 突起部が、ダイの表面から伸びるバンプまたはボールを含む、請求項1記載のパッケージ。
- 突起部がボンドパッドから伸びるバンプまたはボールを含む、請求項1記載のパッケージ。
- 突起部がソルダーボールを含む、請求項1記載のパッケージ。
- 突起部が、サーモソニック溶接されたボールを含む、請求項1記載のパッケージ。
- リードフレームが、ダイに重なるタイバーをさらに含む、請求項1記載のパッケージ。
- 同じくプラスチックパッケージボディ内に封止され、かつタイバーとダイとの間の電気的導通を可能にする第2の導電性突起部をさらに含む、請求項6記載のパッケージ。
- 第2のダイをさらに含む、請求項1記載のパッケージ。
- 第2のダイが導電性突起部上のダイによって支持される、請求項8記載のパッケージ。
- リードフレームが、同じくプラスチックパッケージボディ内に封止されている第2の導電性突起部、すなわち第2のダイに重なる第2のリードボンドパッドの一部を介して第2のダイと電気的に導通する第2のリードボンドパッドをさらに含む、請求項8記載のパッケージ。
- ダイおよび第2のダイに重なるタイバーをさらに含む、請求項8記載のパッケージ。
- ダイと第2のダイとがタイバーの同じ面に配置されている、請求項11記載のパッケージ。
- ダイと第2のダイとがタイバーの対向面に配置されている、請求項11記載のパッケージ。
- ダイおよび第2のダイが、追加的な導電性突起部を介してタイバーと電気的に導通している、請求項11記載のパッケージ。
- 第2のダイがダイパッド上に支持されている、請求項8記載のパッケージ。
- ダイをパッケージングする方法であって、
導電性突起部を介してリードフレームの導電性リードボンドパッドと接触するダイを設ける工程;および
ダイおよびリードボンドパッドをプラスチックパッケージボディ内に封止する工程を含む方法。 - リードボンドパッドと一体化したリードがプラスチックパッケージボディの外に伸びている、請求項16記載の方法。
- ダイが導電性突起部を備えている、請求項16記載の方法。
- リードフレームが導電性突起部を備えている、請求項16記載の方法。
- リードフレームが、ダイに重なるタイバーをさらに備えている、請求項16記載の方法。
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Also Published As
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CN101202260B (zh) | 2012-05-23 |
US20080135991A1 (en) | 2008-06-12 |
US20110291254A1 (en) | 2011-12-01 |
CN101202260A (zh) | 2008-06-18 |
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