JP3109847U - 特性インピーダンスを低減できる樹脂パッケージ半導体装置 - Google Patents
特性インピーダンスを低減できる樹脂パッケージ半導体装置 Download PDFInfo
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Abstract
【解決手段】
樹脂パッケージ半導体装置において、チップ1と、リードフレーム2と、金属層3と、粘着層4、4’と、ボンディングワイヤ5、5’と、封止樹脂6とからなり、前記リードフレーム2の各リード21の上方、または下方の選定された場所にはそれぞれ粘着層4によって金属層3が固定され、チップ1の電極11と、リードフレーム2との間はそれぞれボンディングワイヤ5によって接続され、選定された少なくとも一つのリード21と、金属層3との間はボンディングワイヤ5’によって接続され、金属層3をアース面、または電源面とすることができ、それにより電気ノイズと電磁波障害を低減させ、パッケージ体の特性インピーダンスがもたらす信号伝達不良を解消することができ、信号伝達の安定性と伝送速度を高めることができる構造である。
【選択図】 図1
Description
前記リードフレーム2には、金属をプレス加工した二列、または四列(QFP形式)の複数のリード21が形成されており、チップ1と外部とを電気的に接続するのに使用される。
前記金属層3は、金属鋼板、金属膜、金属網、またはその他の導電性を有する板体である。前記粘着層4、4’は液体を乾燥させた後に形成される粘着性を有する固体物質(糊等)、または粘着テープとすることができる。前記ボンディングワイヤ5、5’は、金線、または導電性を有する線材である。前記封止樹脂6は、チップ1等の素子を密封する絶縁体である。
11、11a、11b、11c 電極
2、2a、2b、2c リードフレーム
21、21a、21b、21c リード
3、3a、3b、3c 金属層
31、31a、31b、31c 溶接面
4、4a、4b、4c 粘着層
5、5’、5a、5a’’、5b、5b’、5c、5c’ボンディングワイヤ
6、6a、6b、6c 封止樹脂
Claims (3)
- チップと、リードフレームと、金属層と、粘着層と、ボンディングワイヤと、封止樹脂とからなり、
前記リードフレームの各リードの下面には、粘着層が設けられており、それぞれ金属層を粘着固定しており、
前記金属層には、溶接面が設けられており、金属層の下方にはチップが設けられており、金属層はリードフレームと、チップとの間に介在しており、
前記チップの複数の電極と、リードフレームの各リードとの間はそれぞれボンディングワイヤによってお互いに接続されており、選定されたリードフレームの少なくとも一つのリードと、前記金属層との間はボンディングワイヤによってお互いに電気的に接続されていることを特徴とする特性インピーダンスを低減できる樹脂パッケージ半導体装置。 - 前記リードフレームの各リード上面には、粘着層が設けられており、それぞれ金属層を粘着固定しており、リードフレームの下方にはチップが設けられており、
前記チップの複数の電極と、各リードとの間はそれぞれボンディングワイヤによってお互いに接続されており、選定されたリードフレームの少なくとも一つのリードと、前記金属層の溶接面との間はボンディングワイヤによってお互いに接続されていることを特徴とする請求項1記載の特性インピーダンスを低減できる樹脂パッケージ半導体装置。 - 前記金属層、またはリードフレームの下面には、第二の粘着層が設けられており、前記チップを粘着固定していることを特徴とする請求項1、または2記載の特性インピーダンスを低減できる樹脂パッケージ半導体装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW093220255U TWM269568U (en) | 2004-12-16 | 2004-12-16 | Chip package capable of reducing characteristic resistance |
Publications (1)
Publication Number | Publication Date |
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JP3109847U true JP3109847U (ja) | 2005-06-02 |
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JP2005000119U Expired - Fee Related JP3109847U (ja) | 2004-12-16 | 2005-01-14 | 特性インピーダンスを低減できる樹脂パッケージ半導体装置 |
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US (1) | US20060131742A1 (ja) |
JP (1) | JP3109847U (ja) |
TW (1) | TWM269568U (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101187903B1 (ko) * | 2007-07-09 | 2012-10-05 | 삼성테크윈 주식회사 | 리드 프레임 및 이를 구비한 반도체 패키지 |
KR100950511B1 (ko) * | 2009-09-22 | 2010-03-30 | 테세라 리써치 엘엘씨 | 와이어 본딩 및 도전성 기준 소자에 의해 제어되는 임피던스를 포함하는 마이크로전자 어셈블리 |
KR100935854B1 (ko) | 2009-09-22 | 2010-01-08 | 테세라 리써치 엘엘씨 | 와이어 본딩 및 기준 와이어 본딩에 의해 제어되는 임피던스를 가진 마이크로전자 어셈블리 |
US8222725B2 (en) | 2010-09-16 | 2012-07-17 | Tessera, Inc. | Metal can impedance control structure |
US9136197B2 (en) | 2010-09-16 | 2015-09-15 | Tessera, Inc. | Impedence controlled packages with metal sheet or 2-layer RDL |
US8853708B2 (en) | 2010-09-16 | 2014-10-07 | Tessera, Inc. | Stacked multi-die packages with impedance control |
US8786083B2 (en) | 2010-09-16 | 2014-07-22 | Tessera, Inc. | Impedance controlled packages with metal sheet or 2-layer RDL |
US8581377B2 (en) | 2010-09-16 | 2013-11-12 | Tessera, Inc. | TSOP with impedance control |
WO2012071325A1 (en) | 2010-11-24 | 2012-05-31 | Tessera, Inc. | Lead structures with vertical offsets |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5311057A (en) * | 1992-11-27 | 1994-05-10 | Motorola Inc. | Lead-on-chip semiconductor device and method for making the same |
US5559366A (en) * | 1994-08-04 | 1996-09-24 | Micron Technology, Inc. | Lead finger tread for a semiconductor lead package system |
KR100196285B1 (ko) * | 1996-04-18 | 1999-06-15 | 윤종용 | 폴리이미드의 불완전 경화 상태를 이용한 리드 온 칩형 반도체 칩 패키지의 리드와 반도체 칩 부착 방법 |
US5773876A (en) * | 1996-11-06 | 1998-06-30 | National Semiconductor Corporation | Lead frame with electrostatic discharge protection |
TW378345B (en) * | 1997-01-22 | 2000-01-01 | Hitachi Ltd | Resin package type semiconductor device and manufacturing method thereof |
US5945732A (en) * | 1997-03-12 | 1999-08-31 | Staktek Corporation | Apparatus and method of manufacturing a warp resistant thermally conductive integrated circuit package |
US6005286A (en) * | 1997-10-06 | 1999-12-21 | Micron Technology, Inc. | Increasing the gap between a lead frame and a semiconductor die |
SG87769A1 (en) * | 1998-09-29 | 2002-04-16 | Texas Instr Singapore Pte Ltd | Direct attachment of semiconductor chip to organic substrate |
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2004
- 2004-12-16 TW TW093220255U patent/TWM269568U/zh not_active IP Right Cessation
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2005
- 2005-01-14 JP JP2005000119U patent/JP3109847U/ja not_active Expired - Fee Related
- 2005-02-15 US US11/057,132 patent/US20060131742A1/en not_active Abandoned
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TWM269568U (en) | 2005-07-01 |
US20060131742A1 (en) | 2006-06-22 |
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