JP5479233B2 - 配線基板及びその製造方法 - Google Patents
配線基板及びその製造方法 Download PDFInfo
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- JP5479233B2 JP5479233B2 JP2010128983A JP2010128983A JP5479233B2 JP 5479233 B2 JP5479233 B2 JP 5479233B2 JP 2010128983 A JP2010128983 A JP 2010128983A JP 2010128983 A JP2010128983 A JP 2010128983A JP 5479233 B2 JP5479233 B2 JP 5479233B2
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Description
第1の実施の形態では、本発明を、半導体チップを搭載することにより半導体パッケージとなる配線基板に適用する例を示す。
始めに、第1の実施の形態に係る配線基板の構造について説明する。図3は、第1の実施の形態に係る配線基板を例示する断面図である。図3を参照するに、第1の実施の形態に係る配線基板10は、第1配線層11、第1絶縁層12、第2配線層13、第2絶縁層14、第3配線層15、第3絶縁層16が順次積層された構造を有する。
続いて、第1の実施の形態に係る配線基板の製造方法について説明する。図6〜図14は、第1の実施の形態に係る配線基板の製造工程を例示する図である。
第1の実施の形態では、最上層の絶縁層の開口部内に露出する最上層の配線層の凹部がマザーボード等の実装基板と電気的に接続される電極パッドとして機能し、最下層の絶縁層から露出する最下層の配線層が半導体チップ等と電気的に接続される電極パッドとして機能する例を示した。
第1の実施の形態では、最上層の絶縁層に、ブラスト処理により開口部を形成する例を示した。第1の実施の形態の変形例2では、最上層の絶縁層に、ブラスト処理(1回目のブラスト処理)により開口部を形成した後、開口部近傍に2回目のブラスト処理を施す例を示す。以下、第1の実施の形態と同一構成部分の説明は極力省略し、第1の実施の形態と異なる部分を中心に説明する。
第1の実施の形態では、最上層の絶縁層に、ブラスト処理により平面形状が略円形の開口部を形成する例を示した。第1の実施の形態の変形例3では、ブラスト処理により平面形状が略矩形の開口部を形成する例を示す。以下、第1の実施の形態と同一構成部分の説明は極力省略し、第1の実施の形態と異なる部分を中心に説明する。
第1の実施の形態では、非感光性の絶縁性樹脂を用いて最上層の絶縁層を形成する例を示した。第2の実施の形態では、ガラスクロスに非感光性の絶縁性樹脂を含浸させた材料を用いて最上層の絶縁層を形成する例を示す。以下、第1の実施の形態と同一構成部分の説明は極力省略し、第1の実施の形態と異なる部分を中心に説明する。
第3の実施の形態では、第1の実施の形態に係る配線基板10(図3参照)に半導体チップを搭載した半導体パッケージの例を示す。以下、第1の実施の形態と同一構成部分の説明は極力省略し、第1の実施の形態と異なる部分を中心に説明する。
第4の実施の形態では、第1の実施の形態の変形例1に係る配線基板10A(図15参照)に半導体チップを搭載した半導体パッケージの例を示す。以下、第1の実施の形態の変形例1と同一構成部分の説明は極力省略し、第1の実施の形態の変形例1と異なる部分を中心に説明する。
図26は、実施例1に係る配線基板の開口部近傍の電子顕微鏡写真(SEM)である。実施例1に係る配線基板は、図6〜図14に示す方法により製造したものである。第3配線層15は、銅(Cu)により形成した。又、第3絶縁層16は、非感光性のエポキシ系樹脂により形成した。開口部16x及び凹部15xは、研磨剤の粒径を5〜20μm程度とし、研磨剤の濃度を14vol%程度とし、噴射圧力を0.25MPa程度としたウェットブラスト処理により形成した。
11、11A 第1配線層
11a、11c 第1層
11b、11d 第2層
12 第1絶縁層
12x 第1ビアホール
13 第2配線層
14 第2絶縁層
14x 第2ビアホール
15 第3配線層
15w、15x、15y、15z 凹部
16、56 第3絶縁層
16w、16x、16y、16z、22x、23x、56x 開口部
21 支持体
22、23 レジスト層
31 導電性ボール
41 はんだ
42 キャパシタ
51 ガラスクロス
51a、51b ガラス繊維束
70、80 半導体パッケージ
71、81 半導体チップ
72、82 本体
73、83 電極パッド
74、84 バンプ
75、85 アンダーフィル樹脂
B 領域
C 角部
Claims (12)
- 複数の配線層と、絶縁性樹脂から構成された複数の絶縁層とが交互に積層され、
最上層の配線層を被覆する最上層の絶縁層には、前記最上層の配線層の一部を露出する開口部が形成され、
前記開口部の側壁の断面は凹型R形状であり、
前記開口部内に露出する前記最上層の配線層には凹部が形成され、
各絶縁層は、同一組成の非感光性の絶縁性樹脂からなり、同一組成のフィラーを含有している配線基板。 - 前記開口部及び前記凹部の角部の断面は凸型R形状である請求項1記載の配線基板。
- 前記凹部の側壁の断面は凹型R形状であり、
前記凹部の側壁の最外縁部は、前記開口部の側壁の最内縁部と一致している請求項1又は2記載の配線基板。 - 前記開口部の側壁の面粗度は、前記最上層の絶縁層の上面の面粗度よりも大きい請求項1乃至3の何れ一項記載の配線基板。
- 前記最上層の絶縁層は、補強部材と絶縁性樹脂から構成されている請求項1乃至4の何れ一項記載の配線基板。
- 複数の配線層と、絶縁性樹脂から構成された複数の絶縁層とを交互に積層する第1工程と、
最上層の配線層を被覆する最上層の絶縁層に、ブラスト処理により側壁の断面が凹型R形状の開口部を形成し、前記開口部内に前記最上層の配線層の一部を露出させる第2工程と、
前記第2工程に引き続き、前記開口部内に露出する前記最上層の配線層に、ブラスト処理により凹部を形成する第3工程と、を有する配線基板の製造方法。 - 各絶縁層は、同一組成の非感光性の絶縁性樹脂からなり、同一組成のフィラーを含有している請求項6記載の配線基板の製造方法。
- 前記第1工程では、支持体上に前記複数の配線層と前記複数の絶縁層とを交互に積層し、
前記第3工程よりも後に、前記第1工程で前記支持体上に積層された前記複数の配線層と前記複数の絶縁層から前記支持体を除去して配線基板を得る請求項6又は7記載の配線基板の製造方法。 - 前記第2工程よりも前に、前記最上層の絶縁層の上面に、前記開口部が形成される部分のみを露出するマスクを配置する工程を有し、
前記第2工程では、前記マスクを介して前記最上層の絶縁層の上面に前記ブラスト処理を行い、前記開口部を形成する請求項6乃至8の何れ一項記載の配線基板の製造方法。 - 前記第3工程よりも後に、前記開口部及び前記凹部をブラスト処理し、前記開口部及び前記凹部の角部の断面を凸型R形状にする請求項6乃至9の何れ一項記載の配線基板の製造方法。
- 前記最上層の絶縁層は、補強部材と絶縁性樹脂から構成され、
前記第2工程では、前記開口部内に前記補強部材の端部が突出しないように前記ブラスト処理を行う請求項6乃至10の何れ一項記載の配線基板の製造方法。 - 前記ブラスト処理は、ウェットブラスト処理である請求項6乃至11の何れ一項記載の配線基板の製造方法。
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| US13/094,546 US20110297425A1 (en) | 2010-06-04 | 2011-04-26 | Wiring substrate and manufacturing method thereof |
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| JPH0641724A (ja) * | 1992-07-28 | 1994-02-15 | Ulvac Japan Ltd | 透明導電膜の製造装置 |
| JP5590985B2 (ja) * | 2010-06-21 | 2014-09-17 | 新光電気工業株式会社 | 半導体装置及びその製造方法 |
| JP5578962B2 (ja) * | 2010-06-24 | 2014-08-27 | 新光電気工業株式会社 | 配線基板 |
| JP5793849B2 (ja) * | 2010-11-02 | 2015-10-14 | 大日本印刷株式会社 | サスペンション用基板、サスペンション、ヘッド付サスペンション、およびハードディスクドライブ、並びにサスペンション用基板の製造方法 |
| TWI536508B (zh) * | 2012-08-24 | 2016-06-01 | 日本特殊陶業股份有限公司 | Wiring board |
| US20140284081A1 (en) * | 2012-08-24 | 2014-09-25 | Ngk Spark Plug Co., Ltd. | Wiring substrate |
| JP6105316B2 (ja) * | 2013-02-19 | 2017-03-29 | 京セラ株式会社 | 電子装置 |
| JP6161380B2 (ja) * | 2013-04-17 | 2017-07-12 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
| TWI595613B (zh) * | 2014-11-18 | 2017-08-11 | 矽品精密工業股份有限公司 | 半導體封裝件及其製法 |
| JP6392140B2 (ja) * | 2015-02-18 | 2018-09-19 | 新光電気工業株式会社 | 配線基板及び半導体パッケージ |
| JP6227580B2 (ja) * | 2015-03-03 | 2017-11-08 | ファナック株式会社 | 板金と樹脂から作製された基板、該基板を備えたモータ、および半田付け方法 |
| CN106604539A (zh) * | 2015-10-19 | 2017-04-26 | 南昌欧菲光电技术有限公司 | 电路板 |
| JP6608108B2 (ja) | 2015-12-25 | 2019-11-20 | 新光電気工業株式会社 | 配線基板、半導体装置及び配線基板の製造方法 |
| CN210899888U (zh) * | 2017-03-06 | 2020-06-30 | 株式会社村田制作所 | 多层基板以及电子设备 |
| JP6766740B2 (ja) | 2017-04-20 | 2020-10-14 | 株式会社村田製作所 | プリント配線基板およびスイッチングレギュレータ |
| TWI716096B (zh) * | 2018-09-05 | 2021-01-11 | 台灣積體電路製造股份有限公司 | 半導體封裝體及其形成方法 |
| US11309294B2 (en) | 2018-09-05 | 2022-04-19 | Taiwan Semiconductor Manufacturing Company, Ltd. | Integrated fan-out packages and methods of forming the same |
| JPWO2020241645A1 (ja) * | 2019-05-31 | 2020-12-03 | ||
| JP7638812B2 (ja) * | 2021-07-19 | 2025-03-04 | 新光電気工業株式会社 | 配線基板及び配線基板の製造方法 |
| CN119521567B (zh) * | 2023-08-22 | 2025-11-28 | 宏启胜精密电子(秦皇岛)有限公司 | 可伸缩的线路板组件及其制备方法 |
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| US5344893A (en) * | 1991-07-23 | 1994-09-06 | Ibiden Co., Ltd. | Epoxy/amino powder resin adhesive for printed circuit board |
| US5597983A (en) * | 1994-02-03 | 1997-01-28 | Sgs-Thomson Microelectronics, Inc. | Process of removing polymers in semiconductor vias |
| JPH10107435A (ja) * | 1996-09-27 | 1998-04-24 | Ibiden Co Ltd | プリント配線板とその製造方法およびめっきレジスト組成物 |
| JPH10275980A (ja) * | 1997-03-28 | 1998-10-13 | Tokyo Ohka Kogyo Co Ltd | 多層配線板の製造方法、および多層配線板 |
| JP3346263B2 (ja) * | 1997-04-11 | 2002-11-18 | イビデン株式会社 | プリント配線板及びその製造方法 |
| US6674017B1 (en) * | 1998-12-24 | 2004-01-06 | Ngk Spark Plug Co., Ltd. | Multilayer-wiring substrate and method for fabricating same |
| DE60232383D1 (de) * | 2001-03-14 | 2009-06-25 | Ibiden Co Ltd | Mehrschichtige Leiterplatte |
| JP4817516B2 (ja) * | 2001-03-14 | 2011-11-16 | イビデン株式会社 | 多層プリント配線板 |
| JP2002290022A (ja) * | 2001-03-27 | 2002-10-04 | Kyocera Corp | 配線基板およびその製造方法ならびに電子装置 |
| JP2008140886A (ja) * | 2006-11-30 | 2008-06-19 | Shinko Electric Ind Co Ltd | 配線基板及びその製造方法 |
| JP2009231790A (ja) * | 2008-02-27 | 2009-10-08 | Ajinomoto Co Inc | 多層プリント配線板の製造方法 |
| JP5295596B2 (ja) * | 2008-03-19 | 2013-09-18 | 新光電気工業株式会社 | 多層配線基板およびその製造方法 |
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| JP2011258590A (ja) | 2011-12-22 |
| CN102270624B (zh) | 2016-03-23 |
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