JP2005252018A - 樹脂封止型半導体装置およびリードフレームならびにその製造方法 - Google Patents
樹脂封止型半導体装置およびリードフレームならびにその製造方法 Download PDFInfo
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- JP2005252018A JP2005252018A JP2004060943A JP2004060943A JP2005252018A JP 2005252018 A JP2005252018 A JP 2005252018A JP 2004060943 A JP2004060943 A JP 2004060943A JP 2004060943 A JP2004060943 A JP 2004060943A JP 2005252018 A JP2005252018 A JP 2005252018A
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Abstract
【解決手段】 一平面上に配置された複数の第1外部端子部5と、第1外部端子部の裏面により形成され枠状に等間隔に配列されたインナーリード部6と、インナーリード部の外側端部に配置された凸部の最上面により形成される第2外部端子部7とを有するリードフレームと、バンプ3を介してインナーリード部の先端とフリップチップ接続された半導体素子2と、インナーリード部、およびバンプを介した接続部を含む半導体素子の外囲領域を封止した封止樹脂4とを備える。封止樹脂の下面領域にその周縁に沿って第1外部端子部が等列に配列され、第2外部端子部が封止樹脂の上面に露出する。第1外部端子部の内側領域に格子状に配列され、封止樹脂の下面に露出した複数の電気的導通用の端子8を有する。
【選択図】 図1
Description
図1は、実施の形態1における樹脂封止型半導体装置を示し、(a)はその平面図、(b)は裏面図、(c)は(a)におけるA−A断面図である。
図7は、実施の形態2における樹脂封止型半導体装置を示し、(a)はその平面図、(b)は(a)のD−D断面図、(c)は裏面図である。図8は、図7の樹脂封止型半導体装置の製造工程を示す図である。
図11は、実施の形態4における樹脂封止型半導体装置を示し、(a)はその平面図、(b)は裏面図、(c)は(a)のF−F断面図である。この樹脂封止型半導体装置は、基本的には図1に示したものと同様の構造を有する。本実施の形態の特徴は、インナーリード6の内側領域に配置された2個の端子36間に、高誘電率樹脂37が挟み込まれていることである。
図13は、実施の形態4における樹脂封止型半導体装置を示し、(a)はその平面図、(b)は裏面図、(c)は(a)のG−G断面図である。この樹脂封止型半導体装置は、基本的には図1に示したものと同様の構造を有する。本実施の形態の特徴は、インナーリード6の内側領域に配置された2個の端子42が、コイル43の始点、終点になっていることである。
図17は、実施の形態5における樹脂封止型半導体装置を示し、(a)は断面図、(b)は平面図である。(a)の断面図は、(b)のH−H断面を示す。本実施の形態の特徴は、図5に示した構造の半導体装置における周縁に配置された第2外部端子部7の上面に、更に第3半導体素子48を接着剤49により接着して積層し、更に第2外部端子部7の外側に端子(インナーリードポスト)50を配置したことである。第3半導体素子48と端子50は、金属細線54で電気的に接続されている。
1a、39、45 リードフレーム保持シート
2 第1半導体素子
3 バンプ
4、30、55、60 封止樹脂
5、18 第1外部端子部
6、16a〜16c、53、58 インナーリード部
7、17、28 第2外部端子部
8、36、42 電気的導通用の端子
9a、9b、46a、46b 樹脂封止金型
10、47 封止用シート
12、13 位置決め穴
14 樹脂封止領域
15 素子搭載領域
19a〜19b 凸部
19c 凹部
21 第2半導体素子
33、34、35 半導体装置
37 高誘電率樹脂
40 ペースト
41 ディスペンサー
43 コイル
48 第3半導体素子
49 接着剤
50 端子
51、57 ダイパッド
52 半導体素子
54、59 金属細線
Claims (15)
- 一平面上に配置された複数の第1外部端子部と、前記第1外部端子部の裏面により形成され枠状に等間隔に配列されたインナーリード部と、前記インナーリード部の外側端部に配置された凸部の最上面により形成される第2外部端子部とを有するリードフレームと、
接続パッドがバンプを介して前記インナーリード部の先端とフリップチップ接続された半導体素子と、
前記インナーリード部、および前記バンプを介した接続部を含む半導体素子の外囲領域を封止した封止樹脂とを備え、
前記封止樹脂の下面領域にその周縁に沿って前記第1外部端子部が等列に配列され、前記第2外部端子部が前記封止樹脂の上面に露出した樹脂封止型半導体装置において、
前記第1外部端子部の内側領域に格子状に配列され、前記封止樹脂の下面に露出した複数の電気的導通用の端子を有することを特徴とする樹脂封止型半導体装置。 - 前記電気的導通用の端子は、電源GNDに用いられ、他の端子よりも面積が大きい請求項1に記載の樹脂封止型半導体装置。
- 前記電気的導通用の端子が2個配置され、前記2個の端子は各々、渦巻き状コイルの始点および終点を形成している請求項1に記載の樹脂封止型半導体装置。
- 前記電気的導通用の端子が2個配置され、前記2個の端子間に、高誘電率の樹脂が挟みこまれている請求項1に記載の樹脂封止型半導体装置。
- 前記半導体素子は、フリップチップ接合されている領域の更に内側領域に電極パッドを複数持ち、その電極パッドに、前記インナーリード部の内端の内側領域よりも小さく前記リードフレームの前記インナーリード部における厚みよりも薄い第2の半導体素子がさらにフリップチップ接合されている請求項1に記載の樹脂封止型半導体装置。
- 前記第2外部端子部上に第3の半導体素子の裏面が接着剤を介して接合され、前記インナーリード部の更に外側領域に複数のインナーリードポストが配置され、前記インナーリードポストと前記第3の半導体素子の電極パッドは金属細線で電気的に接続され、前記インナーリードポストの反対面は前記封止樹脂の下面領域に露出している請求項5に記載の樹脂封止型半導体装置。
- 一平面上に配置された複数の第1外部端子部と、前記第1外部端子部の裏面により形成され枠状に等間隔に配列されたインナーリード部と、前記インナーリード部の外側端部に配置された凸部の最上面により形成される第2外部端子部とを備えたリードフレームにおいて、
前記インナーリード部の内側の領域に格子状に配列された複数の電気的導通用の端子を有することを特徴とするリードフレーム。 - 前記インナーリード部の内側の領域に渦巻状の配線を有し、前記電気的導通用の端子が前記渦巻状の配線の始端と終端を形成する請求項7に記載のリードフレーム。
- 前記電気的導通用の端子が2個配置され、その2個の端子間には高誘電率を有する樹脂が挟み込まれた請求項7に記載のリードフレーム。
- 絶縁性の保護シート上に形成された請求項7〜9のいずれか1項に記載のリードフレーム。
- 一平面上に配置された複数の第1外部端子部、前記第1外部端子部の裏面により形成され枠状に等間隔に配列されたインナーリード部、前記インナーリード部の外側端部に配置された凸部の最上面により形成される第2外部端子部、および前記インナーリード部の内側の領域に格子状に配列された複数の電気的導通用の端子を有するリードフレームを準備する工程と、
半導体素子電極に導電性バンプを形成する工程と、
前記半導体素子の電極と前記インナーリード部および前記電気的導通用の端子の所定の位置を前記導電性バンプにより接続する工程と、
前記インナーリード、前記半導体素子および前記導電性バンプを樹脂封止する工程と、
前記封止体をフレームより分離する工程とを有する樹脂封止型半導体製造装置の製造方法。 - 前記インナーリード部の内端の内側領域よりも小さく前記リードフレームの前記インナーリード部における厚みよりも薄い第2の半導体素子を準備する工程と、
前記半導体素子における、前記導電性バンプによりフリップチップ接合される領域の更に内側領域に電極パッドを複数形成する工程と、
前記半導体素子がウェハー状態にある段階で、前記内側領域の電極パッドに前記第2の半導体素子をフリップチップ接合する工程と、
前記ウェハーを前記半導体素子単位に分割する工程と、
前記第2の半導体素子が接続された前記半導体素子を、前記インナーリード部にバンプ接続する工程とを有する請求項11に記載の樹脂封止型半導体製造装置の製造方法。 - 一平面上に配置された複数の第1外部端子部と、前記第1外部端子部の裏面により形成され枠状に等間隔に配列されたインナーリード部と、前記インナーリード部の外側端部に配置された凸部の最上面により形成される第2外部端子部と、前記インナーリード部の内側の領域に配置された2個の端子と、前記2個の端子間に挟み込まれた高誘電率を有する樹脂とを備えたリードフレームの製造方法であって、
独立すべき端子間が連結されたリードフレームを準備する工程と、前記リードフレームにめっき層を形成する工程と、前記独立すべき端子間が連結されたリードフレームの片面に保護シートを貼り付ける工程と、独立すべき端子間の連結された部分を分離する工程と、配列された前記インナーリードの内側領域に電気的導通用の端子を複数個配置する工程とを含むリードフレームの製造方法。 - 電気的導通用の端子を2個を配置し、前記2個の端子間に高誘電率を有する樹脂を注入硬化する工程を含む請求項13に記載のリードフレームの製造方法。
- 前記インナーリードを、半導体装置が搭載されるべき領域の周縁に等間隔に配列し、更にその内側領域に2個の端子を持つ抵抗部品を配置し、前記抵抗部品の2個の端子の上面となる領域を、バンプ接合するために充分な広さを持たせる請求項13に記載のリードフレームの製造方法。
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2004
- 2004-03-04 JP JP2004060943A patent/JP3910598B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-25 TW TW094105705A patent/TW200531249A/zh unknown
- 2005-03-03 US US11/071,343 patent/US7495319B2/en not_active Expired - Lifetime
- 2005-03-04 CN CN2005100529995A patent/CN1665023A/zh active Pending
-
2009
- 2009-01-16 US US12/355,075 patent/US20090130801A1/en not_active Abandoned
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008021819A (ja) * | 2006-07-13 | 2008-01-31 | Matsushita Electric Ind Co Ltd | 熱伝導基板とその製造方法及び電源ユニット及び電子機器 |
WO2010057041A3 (en) * | 2008-11-14 | 2010-08-26 | Triquint Semiconductor, Inc. | Package including proximately-positioned lead frame |
US8288845B2 (en) | 2008-11-14 | 2012-10-16 | Triquint Semiconductor, Inc. | Package including proximately-positioned lead frame |
JP2018125530A (ja) * | 2018-01-25 | 2018-08-09 | 株式会社加藤電器製作所 | 電子デバイス |
JP2022091907A (ja) * | 2018-03-16 | 2022-06-21 | ローム株式会社 | 半導体装置 |
JP7524244B2 (ja) | 2018-03-16 | 2024-07-29 | ローム株式会社 | 半導体装置 |
JP2024128160A (ja) * | 2018-03-16 | 2024-09-20 | ローム株式会社 | 半導体装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
TW200531249A (en) | 2005-09-16 |
US20050194676A1 (en) | 2005-09-08 |
CN1665023A (zh) | 2005-09-07 |
US20090130801A1 (en) | 2009-05-21 |
US7495319B2 (en) | 2009-02-24 |
JP3910598B2 (ja) | 2007-04-25 |
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