JP5149881B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP5149881B2 JP5149881B2 JP2009226679A JP2009226679A JP5149881B2 JP 5149881 B2 JP5149881 B2 JP 5149881B2 JP 2009226679 A JP2009226679 A JP 2009226679A JP 2009226679 A JP2009226679 A JP 2009226679A JP 5149881 B2 JP5149881 B2 JP 5149881B2
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Description
本願において、実施の態様の記載は、必要に応じて、便宜上複数のセクション等に分けて記載するが、特にそうでない旨明示した場合を除き、これらは相互に独立別個のものではなく、記載の前後を問わず、単一の例の各部分、一方が他方の一部詳細または一部または全部の変形例等である。また、原則として、同様の部分は繰り返しの説明を省略する。また、実施の態様における各構成要素は、特にそうでない旨明示した場合、理論的にその数に限定される場合および文脈から明らかにそうでない場合を除き、必須のものではない。
<半導体装置の構造概要>
本実施の形態では電子部品がそれぞれ搭載された複数の配線基板を積層した半導体装置の例として、半導体チップが搭載された配線基板(基材)上に、電子部品が搭載された別の配線基板(基材)が積層されるパッケージオンパッケージ(Package on Package:POP)型半導体装置(以下、単にPOPと記載する)を取り上げて説明する。
次に、図1に示すベースパッケージ6の構造について説明する。図2は図1に示すベースパッケージの上面側の内部構造を示す透視平面図である。なお、図2では、主面側の各部材の配置を示すため、図1に示す封止樹脂16を取り除いた状態で示している。
次に、図1に示すサブパッケージ7の構造について説明する。図3は図1に示すサブパッケージの上面側を示す平面図である。
次に本実施の形態の半導体装置の製造方法について説明する。本実施の形態の半導体装置の製造方法は、ベースパッケージ6(封止樹脂16を除く)、およびサブ基板5に相当する基材をそれぞれ準備する基材準備工程を有している。また、ベースパッケージ6およびサブ基板5を離間した状態で配置して、ベース基板3の主面3aとサブ基板5の裏面5bの間に樹脂を供給して封止樹脂16を形成する封止工程を有している。また、封止樹脂16を形成した後、サブ基板5の主面5a側からベース基板3の上面側に向かって貫通孔を形成し、貫通孔内に導電性部材を形成してサブ基板5とベース基板3を電気的に接続する電気的接続工程を含んでいる。
ピン54、55は、封止工程において図4〜図8のいずれかに示すベース基板30とサブ基板40の位置合わせを行うために用いる突起であり、キャビティ51の底面51a、あるいは上面52から、上型50bの下面53に向かって突出するように形成されている。
前記実施の形態1では、2枚の配線基板(基材)を積層した半導体装置の実施態様について説明したが、積層する配線基板の数は2枚に限定されない。本実施の形態2では、3枚以上の配線基板(基材)を積層する実施態様について説明する。なお、本実施の形態では、前記実施の形態1との相違点を中心に説明し、前記実施の形態1と重複する説明は原則として省略する。
次に、ベース基板上に複数枚の配線基板を積層する第1の変形例について説明する。図33は第1の変形例である半導体装置の全体構造を示す断面図である。図33に示すPOP70と図29に示すPOP60の相違点は、基板間接続用のランド(端子)の配置である。
次に、ベース基板上に複数枚の配線基板を積層する第2の変形例について説明する。図34は第2の変形例である半導体装置の全体構造を示す断面図である。図34に示すPOP71と図29に示すPOP60の相違点は、中段に配置されるサブ基板72の主面5a上にチップ部品4が搭載されていない点である。また、サブ基板72の主面5aには、上段に配置されるサブ基板5と電気的に接続される配線73が形成されている。
次に、複数枚の配線基板を積層する第3の変形例について説明する。図35は第3の変形例である半導体装置の全体構造を示す断面図である。図35に示すPOP74と図34に示すPOP71との相違点は、基板間の接続構造である。POP74の最上段に搭載されるサブパッケージ75が有するサブ基板76は主面5aに中段に配置されるサブ基板72と電気的に接続される複数のランド22に加え、ベース基板3と電気的に接続される複数のランド77を有している。詳しくは、ランド22は半田材8を介してサブ基板72の主面5aに形成されたランド64と電気的に接続されている。また、ランド77は、複数のサブ基板5および複数の封止樹脂16、61を貫通して形成される半田材8を介してベース基板30のランド12と電気的に接続されている。また、ランド22およびランド77は、それぞれ図示しない配線を介してサブ基板76に搭載されたチップ部品4と電気的に接続されている。前記した第2の変形例と同様に、図35に示す第3の変形例の場合にも、主面5a側に電子部品が搭載されていないサブ基板72を中段に配置し、これをサブ基板5と電気的に接続することにより、配線引き回しのスペースを拡大することができる。
図35に示すPOP74は、前記実施の形態1で説明した製造方法を応用し、前記第3の変形例とは別の製造方法によっても製造することができる。以下別の製造方法について、第4の変形例として説明する。図36は本変形例の第1の基材配置工程において、成型金型のキャビティ内に複数枚の配線基板を配置した状態を示す要部拡大断面図、図37は図36に示す下型の上面を示す要部拡大平面図、図38は図36に示す位置決めピン周辺を拡大して示す要部拡大断面図、図39は図36に示す支持台周辺を示す要部拡大断面図である。
2 半導体チップ
2a 主面
2b 裏面
2c 側面
2d パッド
3 ベース基板
3a 主面
3b 裏面
3c チップ搭載領域
4、4A、4B チップ部品
4a 上面
4b 下面
4c 側面
4d 端子
5 サブ基板
5a 主面
5b 裏面
5c チップ部品搭載領域
6 ベースパッケージ
7 サブパッケージ
8 半田材
11 端子
12 ランド
13 ランド
14 配線
15 ワイヤ
16 封止樹脂
17 半田ボール
21 端子
22 ランド
23 半田材
24 配線
30 ベース基板
30a 製品形成領域
30b 枠部
30c 長辺
30d 短辺
31、31a、31b 孔部
40 サブ基板
40a 製品形成領域
40b 枠部
40c 長辺
40d 短辺
41、41a、41b 孔部
42 矢印
43 矢印
45 一括封止構造体
46 貫通孔
47 積層配線基板
50 成型金型
50a 下型
50b 上型
51 キャビティ
51a 底面
51c 長辺
51d 短辺
52 上面
53 下面
54、54a、54b、55、55a、55b ピン
61 封止樹脂
62、65、75 サブパッケージ
63、68、72、76、78、79 サブ基板
64、77 ランド
66、80 成型金型
66a、80a 下型
67、81 キャビティ
69 一括封止構造体
73 配線
78a 孔部
78b 孔部
79a 孔部
79b 孔部
82 ピン
82a 受け面
82b 受け部
82c 突出部
83 支持台
83a 受け面
Wa、Wb 開口幅
Wc 開口径
Wd、We 幅
Claims (5)
- 以下の工程を含むことを特徴とする半導体装置の製造方法:
(a)第1面を有する第1金型、および凹部が形成され、前記第1面と対向する第2面を有する第2金型を備えた成型金型を準備する工程;
(b)第1主面、前記第1主面に形成された複数の第1電極パッド、前記複数の第1電極パッドとそれぞれ接続された複数の第1配線、前記複数の第1配線とそれぞれ接続された複数の第1ランド、および前記第1主面とは反対側の第1裏面を有する第1基材を、前記第1主面が前記第2金型の前記凹部と対向するように、前記第2金型の前記凹部内に配置する工程;
(c)前記(b)工程の後、第2主面、前記第2主面に形成された複数の第2電極パッド、前記複数の第2電極パッドとそれぞれ接続された複数の第2配線、前記複数の第2配線とそれぞれ接続された複数の第2ランド、および前記第2主面とは反対側の第2裏面を有し、前記第2主面に半導体チップが搭載された第2基材を、前記第2主面が前記第1基材の前記第1裏面と対向するように、前記第1金型と前記第2金型との間に配置する工程;
(d)前記(c)工程の後、前記第2基材を前記第1金型と前記第2金型でクランプする工程;
(e)前記(d)工程の後、前記第1基材と前記第2基材との間に樹脂を供給し、前記第1基材と前記第2基材との間に封止体を形成する工程;
(f)前記(e)工程の後、前記第1金型と前記第2金型との間から、前記封止体が形成された前記第1基材および前記第2基材を取り出す工程;
(g)前記(f)工程の後、前記第1基材の前記第1ランドから前記第2基材の前記第2ランドに向かって貫通孔を形成し、前記第2ランドを露出させる工程;
(h)前記(g)工程の後、前記貫通孔の内部に導電性部材を形成する工程。 - 請求項1において、
前記第1基材は、前記第1主面から前記第1裏面に向かって形成された第1孔部を有し、
前記(b)工程では、前記第2金型の前記凹部に形成された第1ピンが前記第1基材の前記第1孔部内に位置するように、前記第1基材を前記第2金型の前記凹部内に配置し、
前記第2基材は、前記第2主面から前記第2裏面に向かって形成された第2孔部を有し、
前記(c)工程では、前記第2金型の前記第2面に形成された第2ピンが前記第2基材の前記第2孔部内に位置するように、前記第2基材を前記第1金型と第2金型との間に配置することを特徴とする半導体装置の製造方法。 - 請求項2において、
前記第1基材の前記第1主面、および前記第2基材の前記第2主面は、それぞれ四角形の平面形状を成し、
前記第1孔部は、前記第1主面の4辺のうち、第1の辺に近づけて配置され、
前記第2孔部は、前記第2主面の4辺のうち、前記第1の辺に沿って配置される第2の辺に近づけて配置されていることを特徴とする半導体装置の製造方法。 - 請求項3において、
前記第1孔部は、前記第1の辺に沿って複数形成され、前記第2孔部は前記第2の辺に沿って複数形成されていることを特徴とする半導体装置の製造方法。 - 請求項4において、
前記第1孔部は、前記第1の辺の中央に配置される第1中央孔部と、前記第1の辺に沿って前記第1中央孔部の両サイドに配置される第1サイド孔部を有し、
前記第2孔部は、前記第2の辺の中央に配置される第2中央孔部と、前記第2の辺に沿って前記第2中央孔部の両サイドに配置される第2サイド孔部を有し、
前記第1サイド孔部の開口面積は、前記第1中央孔部の開口面積よりも広く、
前記第2サイド孔部の開口面積は、前記第2中央孔部の開口面積よりも広いことを特徴とする半導体装置の製造方法。
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JP5241909B2 (ja) | 2011-12-22 | 2013-07-17 | 太陽誘電株式会社 | 回路基板 |
JP5241910B2 (ja) * | 2011-12-22 | 2013-07-17 | 太陽誘電株式会社 | 回路基板 |
JP6021386B2 (ja) * | 2012-03-30 | 2016-11-09 | オリンパス株式会社 | 配線基板の製造方法、並びに半導体装置の製造方法 |
ITTO20120374A1 (it) * | 2012-04-27 | 2013-10-28 | St Microelectronics Srl | Struttura a semiconduttore con regioni conduttive a bassa temperatura di fusione e metodo per riparare una struttura a semiconduttore |
KR20140055728A (ko) * | 2012-11-01 | 2014-05-09 | 엘지전자 주식회사 | 백라이트 유닛 및 디스플레이 장치 |
CN103199713A (zh) * | 2013-04-09 | 2013-07-10 | 黄山市祁门新飞电子科技发展有限公司 | 环保型桥式整流器 |
JP2015015442A (ja) | 2013-07-08 | 2015-01-22 | 三菱電機株式会社 | 半導体装置 |
US9673173B1 (en) * | 2015-07-24 | 2017-06-06 | Altera Corporation | Integrated circuit package with embedded passive structures |
JP7604815B2 (ja) | 2020-09-10 | 2024-12-24 | 富士電機株式会社 | 半導体装置および半導体装置の製造方法 |
US11729915B1 (en) | 2022-03-22 | 2023-08-15 | Tactotek Oy | Method for manufacturing a number of electrical nodes, electrical node module, electrical node, and multilayer structure |
JP2024179920A (ja) * | 2023-06-16 | 2024-12-26 | Towa株式会社 | 樹脂成形システム及び樹脂成形品の製造方法 |
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JP2514818B2 (ja) * | 1987-06-18 | 1996-07-10 | ナイルス部品株式会社 | 集積回路基板の樹脂封止方法 |
US5910255A (en) * | 1996-11-08 | 1999-06-08 | W. L. Gore & Associates, Inc. | Method of sequential laser processing to efficiently manufacture modules requiring large volumetric density material removal for micro-via formation |
JP2001007130A (ja) * | 1999-06-21 | 2001-01-12 | Mitsubishi Electric Corp | 半導体装置の製造装置および製造方法 |
JP3660861B2 (ja) * | 2000-08-18 | 2005-06-15 | 株式会社ルネサステクノロジ | 半導体装置の製造方法 |
US6840751B2 (en) * | 2002-08-22 | 2005-01-11 | Texas Instruments Incorporated | Vertical mold die press machine |
US7189601B2 (en) * | 2004-03-02 | 2007-03-13 | Texas Instruments Incorporated | System and method for forming mold caps over integrated circuit devices |
JP4553765B2 (ja) * | 2005-03-25 | 2010-09-29 | Okiセミコンダクタ株式会社 | 半導体装置の製造方法 |
JP5036397B2 (ja) | 2007-05-21 | 2012-09-26 | 新光電気工業株式会社 | チップ内蔵基板の製造方法 |
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JP2011077267A (ja) | 2011-04-14 |
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