JP2006120943A - チップ内蔵基板及びその製造方法 - Google Patents
チップ内蔵基板及びその製造方法 Download PDFInfo
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Abstract
【解決手段】 樹脂に球状のフィラーを樹脂基材31全体に対して60〜90wt%含有させた樹脂基材31により半導体チップ33を内蔵すると共に、樹脂基材31を貫通する貫通ビア44と、樹脂基材31の上面31aに形成され、貫通ビア44と電気的に接続された第1の外部接続端子53と、樹脂基材31の下面31bに形成され、貫通ビア44と電気的に接続された第2の外部接続端子54とを設けた構成とした。
【選択図】 図2
Description
(実施例)
始めに、図2を参照して、本発明の実施例によるチップ内蔵基板30について説明する。図2は、本発明の実施例によるチップ内蔵基板の断面図である。チップ内蔵基板30は、大略すると半導体チップ33と、樹脂基材31と、ビア41と、貫通ビア44と、配線46と、ソルダーレジスト48,61と、Ni/Au層50,55と、第1の外部接続端子53と、第2の外部接続端子54と、はんだボール59とを有した構成とされている。
11,66 支持板
11a,31a 上面
11b,31b 下面
12,65 接着剤
13,33 半導体チップ
14,34 半導体チップ本体
15,37 電極パッド
17,31 樹脂基材
17a 面
18,41 ビア
19,46 配線
20 外部接続端子
21,48,68 ソルダーレジスト
22,59 はんだボール
23 樹脂層
25,100 他のチップ内蔵基板
38 Ni層
42 Cu膜
43 シード層
44 貫通ビア
46A,53A 領域
49,58,71,75,78 開口部
50,55 Ni/Au層
51,56 Ni層
52,57 Au層
53 第1の外部接続端子
54 第2の外部接続端子
67 銅箔
72 貫通孔
74,77,81 ドライフィルムレジスト
M1 厚さ
Claims (7)
- 半導体チップと、
該半導体チップを内蔵する樹脂基材と、
外部接続端子とを有するチップ内蔵基板において、
前記樹脂基材は、樹脂からなり、該樹脂に球状のフィラーを前記樹脂基材全体に対して60〜90wt%含有させたことを特徴とするチップ内蔵基板。 - 前記樹脂基材は、ガラス転移温度付近の温度での弾性率が1GPa〜3GPaであることを特徴とする請求項1に記載のチップ内蔵基板。
- 前記樹脂基材は、ガラス転移温度よりも低い温度での熱膨張係数が10ppm〜15ppmであることを特徴とする請求項1または2に記載のチップ内蔵基板。
- 前記樹脂基材の両面に前記外部接続端子を設けたことを特徴とする請求項1乃至3のいずれか1項に記載のチップ内蔵基板。
- 前記半導体チップは、前記外部接続端子と接続される電極パッドを有し、
該電極パッドの材料にAlを用いた際、前記電極パッドをジンケート処理し、前記電極パッド上にNi層を設けたことを特徴とする請求項1乃至4のいずれか1項に記載のチップ内蔵基板。 - 半導体チップと、
該半導体チップを内蔵する樹脂基材と、
外部接続端子とを有するチップ内蔵基板の製造方法において、
支持板上に前記半導体チップを配設する半導体チップ配設工程と、
前記半導体チップを覆うよう前記支持板上に前記樹脂基材を配設する樹脂基材配設工程と、
前記支持板を除去する支持板除去工程とを備え、
前記樹脂基材には、樹脂からなり、該樹脂に球状のフィラーを前記樹脂基材全体に対して60〜90wt%含有させることを特徴とするチップ内蔵基板の製造方法。 - 前記樹脂基材を貫通する貫通ビアを形成する貫通ビア形成工程と、
前記樹脂基材の一方の面に、前記貫通ビアと電気的に接続される第1の外部接続端子を形成する第1の外部接続端子形成工程と、
前記樹脂基材の他方の面に、前記貫通ビアと電気的に接続される第2の外部接続端子を形成する第2の外部接続端子形成工程とを設けたことを特徴とする請求項6に記載のチップ内蔵基板の製造方法。
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JP2004308558A JP2006120943A (ja) | 2004-10-22 | 2004-10-22 | チップ内蔵基板及びその製造方法 |
EP05255576A EP1650798A3 (en) | 2004-10-22 | 2005-09-12 | A substrate having a built-in chip and external connection terminals on both sides and a method for manufacturing the same |
TW094131451A TW200614900A (en) | 2004-10-22 | 2005-09-13 | A substrate having a built-in chip and external connection terminals on both sides and a method for manufacturing the same |
US11/224,821 US7312536B2 (en) | 2004-10-22 | 2005-09-13 | Substrate having a built-in chip and external connection terminals on both sides and a method for manufacturing the same |
KR1020050087299A KR20060051422A (ko) | 2004-10-22 | 2005-09-20 | 내장 칩을 갖고 그 양측에 외부 접속 단자를 갖는 기판과그 제조 방법 |
CNB2005101315584A CN100446225C (zh) | 2004-10-22 | 2005-09-21 | 具有内装芯片和两侧上的外部连接端子的基板及其制造方法 |
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- 2005-09-20 KR KR1020050087299A patent/KR20060051422A/ko not_active Application Discontinuation
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US7312536B2 (en) | 2007-12-25 |
CN100446225C (zh) | 2008-12-24 |
US20060087045A1 (en) | 2006-04-27 |
TW200614900A (en) | 2006-05-01 |
KR20060051422A (ko) | 2006-05-19 |
EP1650798A2 (en) | 2006-04-26 |
CN1819160A (zh) | 2006-08-16 |
EP1650798A3 (en) | 2009-03-11 |
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