JP4468115B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP4468115B2 JP4468115B2 JP2004250474A JP2004250474A JP4468115B2 JP 4468115 B2 JP4468115 B2 JP 4468115B2 JP 2004250474 A JP2004250474 A JP 2004250474A JP 2004250474 A JP2004250474 A JP 2004250474A JP 4468115 B2 JP4468115 B2 JP 4468115B2
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Description
本発明によれば、半導体チップを挟んだ導電部材を半導体装置の両面から露出できるため、放熱性を向上させることが可能となる。また、チップ電極ではなく、導電部材を基板に実装する構造となるため、はんだの塗布量が増加して実装信頼性が向上し、はんだの外観検査も可能となる。さらに、半導体チップクラック、半導体チップとの導電部材とを接合する接続材の疲労破壊を抑制し、信頼性向上を可能とした半導体装置を提供することができる。
図1は、本発明の第1の実施例である半導体装置の平面透視図である。図2は、図1中のA−A’線に沿う断面図である。図4は、半導体装置に用いる半導体チップ1の概略構成を示す図((a)は平面図,(b)は底面図)である。
半導体チップ1は、厚さ方向と交差する平面形状が方形状になっており、本実施例では、例えば長方形になっている。
本実施例の半導体装置は、図1及び図2に示すように、半導体チップ1、樹脂封止体8、ドレイン用リード(導電部材)7、ゲート用リード(導電部材)3、及びソース用ヘッダ(導電部材)5等を有する構成になっている。半導体チップ1、ドレイン用リード7、ゲート用リード3、及びソース用ヘッダ5は、樹脂封止体8によって封止されている。
上記構造を採用すれば、高温加熱時のチップの曲げ変形量を低減でき、チップ発生応力が抑制される。
図8は、本発明の第2の実施例である半導体装置の平面透視図である。図2は、図8中のA−A’線に沿う断面図である。図9は、半導体装置に用いる半導体チップ1の概略構成を示す図((a)は平面図,(b)は底面図)である。なお、第2の実施例である半導体装置の基本的構造は、第1の実施例の構造と同一であるため、相違点のみを以下に記載する。
図10は、本発明の第3の実施例である半導体装置の平面透視図である。図2は、図10中のA−A’線に沿う断面図である。なお、第3の実施例である半導体装置の基本的構造は、第1の実施例の構造と同一であるため、相違点のみを以下に記載する。
図10に示すように、ゲート用リード3は、ドレイン用リード7の端子34およびソース用ヘッダ5の端子33が設けられている辺とは、異なる一辺に設ける。本構造では、ソース用ヘッダ5の端子の幅をドレイン用リード7の端子の幅と同程度まで拡大でき、放熱性の向上および半導体装置の抵抗値の低減が図れる。
実施例1、2および3で示した半導体装置の製造プロセスの一例を図11に示す。なお、本製造プロセスの図は、図1のA−A’線に沿う断面を図示している。図11(a)の工程では、ドレイン用リード7に、ドレイン用接続材6を塗布し、その上に半導体チップ1をその裏面102が下側となるように設置し、その上にソース用接続材4およびゲート用接続材2を塗布し、その上にゲート用リード3およびソース用ヘッダ5を設置する。ここで、各接続材(2,4,6)は、例えば、高温はんだ材(Pb5Sn)である。各導電部材(ドレイン用リード7,ソース用ヘッダ5,ゲート用リード3)と半導体チップ1の組立が完成した後、一括リフローし、半導体チップ1と各導電部材を固定する。
図11(c)の工程では、金型を取り除いて、各導電部材の切断を行う。
Claims (7)
- 第1の面に第1の電極を有し、前記第1の面と反対側の第2の面に第2の電極を有する半導体チップと、
前記半導体チップの第1の面よりも上に位置する第1の部分と、前記第1の部分から前記半導体チップの第2の面側に延びる第2の部分と、前記第2の部分と一体に形成され、前記半導体チップの第2の面よりも下に位置する第3の部分とを有する第1の導電部材と、
前記半導体チップの第2の面よりも下に位置する第2の導電部材と、
前記半導体チップ、前記第1及び第2の導電部材を封止する樹脂封止体とを有し、
前記第1の導電部材の第1の部分は、前記半導体チップの第1の電極を覆う第1の接続材を介して前記半導体チップの第1の電極に接合され、更に樹脂封止体から露出し、
前記第1の導電部材の第2の部分は、前記樹脂封止体の内部に位置し、
前記第1の導電部材の第3の部分は、前記樹脂封止体から露出し、
前記第2の導電部材は、前記半導体チップの第2の電極を覆う第2の接続材を介して前記半導体チップの第2の電極に接合され、更に、前記樹脂封止体から露出し、
前記半導体チップの任意の一辺から前記第2の接続材までの距離と、前記一辺から前記第1の接続材までの距離との差が、前記一辺から前記第2の接続材までの距離と同じか、または、その距離より小さいことを特徴とする半導体装置。 - 第1の面に第1の電極を有し、前記第1の面と反対側の第2の面に第2の電極を有する半導体チップと、
前記半導体チップの第1の面よりも上に位置する第1の部分と、前記第1の部分から前記半導体チップの第2の面側に延びる第2の部分と、前記第2の部分と一体に形成され、前記半導体チップの第2の面よりも下に位置する第3の部分とを有する第1の導電部材と、
前記半導体チップの第2の面よりも下に位置する第2の導電部材と、
前記半導体チップ、前記第1及び第2の導電部材を封止する樹脂封止体とを有し、
前記第1の導電部材の第1の部分は、前記半導体チップの第1の電極を覆う第1の接続材を介して前記半導体チップの第1の電極に接合され、更に樹脂封止体から露出し、
前記第1の導電部材の第2の部分は、前記樹脂封止体の内部に位置し、
前記第1の導電部材の第3の部分は、前記樹脂封止体から露出し、
前記第2の導電部材は、前記半導体チップの第2の電極を覆う第2の接続材を介して前記半導体チップの第2の電極に接合され、更に、前記樹脂封止体から露出し、
前記半導体チップの任意の一辺から前記第2の電極までの距離と、前記一辺から前記第1の電極までの距離との差が、前記一辺から前記第2の電極までの距離と同じか、または、その距離より小さいことを特徴とする半導体装置。 - 請求項1又は請求項2に記載の半導体装置において、
前記半導体チップは、平面が方形状で形成され、
前記第1の導電部材の第1の部分の投影面は、前記半導体チップの投影面を完全に含み、更に、前記第2の導電部材の投影面内に、前記半導体チップの投影面の互いに接する少なくとも2辺が完全に含まれることを特徴とする半導体装置。 - 請求項1又は請求項2に記載の半導体装置において、
前記第1の導電部材の第1の部分の投影面は、前記半導体チップの第1の電極の投影面を完全に含み、更に、前記第2の導電部材の投影面内に、前記半導体チップの第2の電極の投影面の互いに接する少なくとも2辺が完全に含まれることを特徴とする半導体装置。 - 請求項1又は請求項2に記載の半導体装置において、
前記半導体チップの厚さが、前記第1及び第2の導電部材の厚さよりも薄いことを特徴とする半導体装置。 - 請求項1又は請求項2に記載の半導体装置において、
前記半導体チップの第1の電極は、ドレイン電極であり、
前記半導体チップの第2の電極は、ソース電極であることを特徴とする半導体装置。 - 請求項6に記載の半導体装置において、
前記半導体チップは、前記第2の面にゲート電極を有し、
前記ゲート電極には、第3の接続材を介して第3の導電部材が接合されていることを特徴とする半導体装置。
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JP4615506B2 (ja) * | 2006-12-18 | 2011-01-19 | 三菱電機株式会社 | 樹脂封止型半導体装置 |
JP4840165B2 (ja) * | 2007-01-29 | 2011-12-21 | 株式会社デンソー | 半導体装置 |
JP2009200338A (ja) * | 2008-02-22 | 2009-09-03 | Renesas Technology Corp | 半導体装置の製造方法 |
JP5075890B2 (ja) | 2008-09-03 | 2012-11-21 | 株式会社東芝 | 半導体装置及び半導体装置の製造方法 |
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JP5126278B2 (ja) | 2010-02-04 | 2013-01-23 | 株式会社デンソー | 半導体装置およびその製造方法 |
WO2012010942A2 (en) | 2010-07-22 | 2012-01-26 | Lupin Limited | Novel pharmaceutical composition(s) of hiv protease inhibitor(s) |
DE102011011861A1 (de) * | 2011-02-21 | 2012-08-23 | Osram Opto Semiconductors Gmbh | Halbleiterchipgehäuseanordnung und Herstellungsverfahren |
ITMI20112300A1 (it) | 2011-12-19 | 2013-06-20 | St Microelectronics Srl | Realizzazione di dispositivi elettronici di tipo dsc tramite inserto distanziatore |
US20140001480A1 (en) * | 2012-07-02 | 2014-01-02 | Infineon Technologies Ag | Lead Frame Packages and Methods of Formation Thereof |
US9478484B2 (en) * | 2012-10-19 | 2016-10-25 | Infineon Technologies Austria Ag | Semiconductor packages and methods of formation thereof |
US8906743B2 (en) * | 2013-01-11 | 2014-12-09 | Micron Technology, Inc. | Semiconductor device with molded casing and package interconnect extending therethrough, and associated systems, devices, and methods |
CN103531551A (zh) * | 2013-09-26 | 2014-01-22 | 杰群电子科技(东莞)有限公司 | 一种半导体封装结构及其成型方法 |
JP6385234B2 (ja) * | 2014-10-16 | 2018-09-05 | 三菱電機株式会社 | 半導体装置 |
JP6620037B2 (ja) * | 2016-02-29 | 2019-12-11 | 新日本無線株式会社 | 半導体パッケージ及びその製造方法 |
JP6967335B2 (ja) * | 2016-03-15 | 2021-11-17 | ローム株式会社 | 半導体装置 |
JP2018056356A (ja) * | 2016-09-29 | 2018-04-05 | 株式会社東芝 | 半導体装置 |
US10121742B2 (en) * | 2017-03-15 | 2018-11-06 | Amkor Technology, Inc. | Method of forming a packaged semiconductor device using ganged conductive connective assembly and structure |
US11075154B2 (en) * | 2017-10-26 | 2021-07-27 | Shindengen Electric Manufacturing Co., Ltd. | Semiconductor device and method of manufacturing semiconductor device |
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