JP5350830B2 - 多層配線基板及びその製造方法 - Google Patents
多層配線基板及びその製造方法 Download PDFInfo
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Description
端子形成工程では、後に除去される銅箔からなる支持体層上にマスクを配置し、前記支持体層において前記マスクの開口から露出している銅箔部分に、金層、ニッケル層及び銅層をこの順序で積層することにより、前記複数の面接続端子を形成する。
以下、本発明を具体化した第1実施形態の半導体パッケージ10及びその製造方法を図1〜図21に基づき詳細に説明する。
(1)本実施形態の多層配線基板11の製造方法では、端子形成工程を行う際に各端子パッド30や位置合わせ用マーク59における金めっき層33に、いわば後工程におけるエッチガードとして機能する張出部33aを形成しておくことを特徴とする。このため、支持体層除去工程において銅を溶解するエッチング液を使用したとしても、そのエッチング液が端子パッド30や位置合わせ用マーク59と樹脂絶縁層46との界面を介して配線積層部40の内部に浸入しにくい。よって、エッチング液の浸入による銅めっき層31のエッチアウトが防止され、形状的に優れた端子パッド30や位置合わせ用マーク59を高い歩留まりで得ることができる。また、このような方法で製造された多層配線基板11によれば、端子パッド30とICチップ21との接続信頼性を向上させることができ、信頼性に優れた半導体パッケージ10を実現することができる。なお、エッチング液以外のものであって配線積層部40の内部に浸入しやすい液体(例えば洗浄液など)を用いる場合であっても、その浸入が金めっき層33の張出部33aによって阻止されることとなり、銅めっき層31の変質が防止される。
次に本発明を具体化した第2実施形態を図21〜図24に基づいて説明する。
次に本発明を具体化した第3実施形態を図25〜図28に基づいて説明する。
(1)導体層及び樹脂絶縁層を交互に積層して多層化した積層構造体を有し、チップ部品の端子を面接続するための複数の面接続端子が前記積層構造体の主面上に形成され、前記複数の面接続端子に接続する複数のビア導体が前記樹脂絶縁層に形成された多層配線基板であって、前記ニッケル層及び前記銅層は、等しい径となるように形成され、前記金層は、前記ニッケル層及び前記銅層よりも大径であってかつ前記ニッケル層及び前記銅層の外周部から基板面方向に延びる張出部を有するように形成されていることを特徴とする多層配線基板。
(2)上記思想1において、前記金層の一部を構成する前記張出部の表面には表面粗さRaが0.1μm以上5μm以下の凹凸が存在していることを特徴とする多層配線基板。
21…チップ部品としての半導体集積回路素子(ICチップ)
22…端子
30,30A,30B,30C,30D…面接続端子としての端子パッド
31…銅層としての銅めっき層
32…ニッケル層としてのニッケルめっき層
33…金層としての金めっき層
32a,33a…張出部
40…積層構造体としての配線積層部
41…主面
43〜46…樹脂絶縁層
51…導体層
57…ビア導体
59…位置合わせ用マーク
72…支持体層としての積層金属シート体
76…マスクとしてのドライフィルム
77…開口
77a…アンダーカット
81…ソフトエッチング部
81a…空隙
91…第1のマスクとしてのドライフィルム
92…第1の開口
93…第2のマスクとしてのドライフィルム
94…第2の開口
Claims (5)
- 導体層及び樹脂絶縁層を交互に積層して多層化した積層構造体を有し、チップ部品の端子を面接続するための複数の面接続端子が前記積層構造体の主面上に形成され、前記複数の面接続端子に接続する複数のビア導体が前記樹脂絶縁層に形成され、前記複数の面接続端子は、銅層、ニッケル層及び金層をこの順序で積層した構造を有する多層配線基板の製造方法であって、
後に除去される銅箔からなる支持体層上にマスクを配置し、前記支持体層において前記マスクの開口から露出している銅箔部分に、金層、ニッケル層及び銅層をこの順序で積層することにより、前記複数の面接続端子を形成する端子形成工程と、
前記マスクを除去した後、前記面接続端子を被覆する前記樹脂絶縁層を形成する樹脂絶縁層形成工程と、
前記樹脂絶縁層に前記ビア導体及び前記導体層を形成する導体形成工程と、
前記導体形成工程後に前記支持体層を除去して、前記複数の面接続端子における前記金層を露出させる支持体層除去工程と
を含み、
前記端子形成工程では、前記支持体層上にマスクを配置し、前記支持体層において前記マスクに開口を形成するとともにその際に支持体層接触側の開口縁にアンダーカットを生じさせた後、少なくとも前記銅層よりも大径であってかつ前記銅層の外周部から基板面方向に延びる張出部を有するように、前記アンダーカットの生じている部分に前記金層を形成するとともに、
前記金層の表面は、前記積層構造体の前記主面と面一であり、
前記張出部は、前記積層構造体の内層から前記主面側に行くに従って広がるテーパ形状をなしている
ことを特徴とする多層配線基板の製造方法。 - 前記端子形成工程において、前記支持体層上に第1のマスクを配置し、前記支持体層において前記第1のマスクに第1の開口を形成し、前記第1の開口から露出している銅箔部分に前記金層を形成し、次いで前記第1のマスクを除去して第2のマスクを配置し、前記支持体層において前記第2のマスクに前記第1の開口よりも径の小さい第2の開口を形成し、前記第2の開口から露出している前記金層上に前記ニッケル層及び前記銅層を順次積層形成する
ことを特徴とする請求項1に記載の多層配線基板の製造方法。 - 導体層及び樹脂絶縁層を交互に積層して多層化した積層構造体を有し、チップ部品の端子を面接続するための複数の面接続端子が前記積層構造体の主面上に形成され、前記複数の面接続端子に接続する複数のビア導体が前記樹脂絶縁層に形成された多層配線基板であって、
前記複数の面接続端子は、銅層、ニッケル層及び金層をこの順序で積層した構造を有し、前記金層は、少なくとも前記銅層よりも大径であってかつ前記銅層の外周部から基板面方向に延びる張出部を有するように形成されるとともに、
前記金層の表面は、前記積層構造体の前記主面と面一であり、
前記張出部は、前記積層構造体の内層から前記主面側に行くに従って広がるテーパ形状をなしている
ことを特徴とする多層配線基板。 - 前記多層配線基板はコア基板を有さず、前記複数のビア導体は前記樹脂絶縁層の各層において同一方向に拡径していることを特徴とする請求項3に記載の多層配線基板。
- 前記積層構造体の主面上には、前記複数の面接続端子と共通した構造を有する位置合わせ用マークが形成されていることを特徴とする請求項3または4に記載の多層配線基板。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009033315A JP5350830B2 (ja) | 2009-02-16 | 2009-02-16 | 多層配線基板及びその製造方法 |
| TW099103718A TWI414221B (zh) | 2009-02-16 | 2010-02-08 | 多層配線基板及其製造方法 |
| US12/706,255 US8233289B2 (en) | 2009-02-16 | 2010-02-16 | Multilayer wiring substrate and method for manufacturing the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009033315A JP5350830B2 (ja) | 2009-02-16 | 2009-02-16 | 多層配線基板及びその製造方法 |
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| Publication Number | Publication Date |
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| JP2010192547A JP2010192547A (ja) | 2010-09-02 |
| JP5350830B2 true JP5350830B2 (ja) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2009033315A Expired - Fee Related JP5350830B2 (ja) | 2009-02-16 | 2009-02-16 | 多層配線基板及びその製造方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8233289B2 (ja) |
| JP (1) | JP5350830B2 (ja) |
| TW (1) | TWI414221B (ja) |
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| KR100704919B1 (ko) * | 2005-10-14 | 2007-04-09 | 삼성전기주식회사 | 코어층이 없는 기판 및 그 제조 방법 |
| JP5290017B2 (ja) * | 2008-03-28 | 2013-09-18 | 日本特殊陶業株式会社 | 多層配線基板及びその製造方法 |
| JP5566720B2 (ja) * | 2010-02-16 | 2014-08-06 | 日本特殊陶業株式会社 | 多層配線基板及びその製造方法 |
| US8698303B2 (en) | 2010-11-23 | 2014-04-15 | Ibiden Co., Ltd. | Substrate for mounting semiconductor, semiconductor device and method for manufacturing semiconductor device |
| US8844125B2 (en) * | 2011-01-14 | 2014-09-30 | Harris Corporation | Method of making an electronic device having a liquid crystal polymer solder mask and related devices |
| JP6166879B2 (ja) * | 2011-09-06 | 2017-07-19 | 株式会社 大昌電子 | 片面プリント配線板およびその製造方法 |
| JP6154110B2 (ja) * | 2012-01-20 | 2017-06-28 | 京セラ株式会社 | 実装基板 |
| JP6110084B2 (ja) * | 2012-07-06 | 2017-04-05 | 株式会社 大昌電子 | プリント配線板およびその製造方法 |
| JP5762376B2 (ja) * | 2012-09-21 | 2015-08-12 | 日本特殊陶業株式会社 | 配線基板及びその製造方法 |
| US8847078B2 (en) * | 2012-09-27 | 2014-09-30 | Ibiden Co., Ltd. | Printed wiring board and method for manufacturing printed wiring board |
| KR101835452B1 (ko) * | 2013-10-30 | 2018-03-08 | 쿄세라 코포레이션 | 배선 기판 및 이것을 사용한 실장 구조체 |
| JP6208054B2 (ja) * | 2014-03-10 | 2017-10-04 | 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 |
| JP2016054186A (ja) * | 2014-09-03 | 2016-04-14 | イビデン株式会社 | プリント配線板 |
| JP6473595B2 (ja) * | 2014-10-10 | 2019-02-20 | イビデン株式会社 | 多層配線板及びその製造方法 |
| JP2016219452A (ja) * | 2015-05-14 | 2016-12-22 | 富士通株式会社 | 多層基板及び多層基板の製造方法 |
| US10455708B2 (en) | 2015-06-29 | 2019-10-22 | Samsung Electro-Mechanics Co., Ltd. | Multilayered substrate and method for manufacturing the same |
| US9832866B2 (en) * | 2015-06-29 | 2017-11-28 | Samsung Electro-Mechanics Co., Ltd. | Multilayered substrate and method of manufacturing the same |
| JP6696567B2 (ja) | 2016-05-16 | 2020-05-20 | 株式会社村田製作所 | セラミック電子部品 |
| CN105934085A (zh) * | 2016-06-28 | 2016-09-07 | 广东欧珀移动通信有限公司 | Pcb板及具有其的移动终端 |
| US10163805B2 (en) * | 2016-07-01 | 2018-12-25 | Taiwan Semiconductor Manufacturing Co., Ltd. | Package structure and method for forming the same |
| JP6796482B2 (ja) * | 2016-12-27 | 2020-12-09 | 新光電気工業株式会社 | 配線基板、配線基板の製造方法 |
| RU174053U1 (ru) * | 2017-04-11 | 2017-09-27 | Закрытое акционерное общество "Научно-производственное предприятие "Оптические и электронные комплексы и системы" | Многослойная монтажная печатная плата |
| JP7271081B2 (ja) * | 2017-10-18 | 2023-05-11 | 日東電工株式会社 | 配線回路基板 |
| CN109729639B (zh) * | 2018-12-24 | 2020-11-20 | 奥特斯科技(重庆)有限公司 | 在无芯基板上包括柱体的部件承载件 |
| JP7266469B2 (ja) * | 2019-06-17 | 2023-04-28 | 新光電気工業株式会社 | 配線基板の製造方法及び積層構造 |
| EP4192202A4 (en) * | 2020-07-29 | 2024-09-04 | Kyocera Corporation | CIRCUIT SUBSTRATE AND MANUFACTURING METHOD THEREOF |
| JP2022047385A (ja) * | 2020-09-11 | 2022-03-24 | キオクシア株式会社 | プリント配線基板およびメモリシステム |
| CN114340219B (zh) * | 2020-09-30 | 2024-12-17 | 庆鼎精密电子(淮安)有限公司 | 线路板及其制作方法 |
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| JPH08125341A (ja) * | 1994-10-25 | 1996-05-17 | Hitachi Ltd | 電子回路装置 |
| JP2002026500A (ja) | 2000-07-05 | 2002-01-25 | Ngk Spark Plug Co Ltd | 配線基板 |
| JP2003163458A (ja) * | 2001-11-29 | 2003-06-06 | Fujitsu Ltd | 多層配線基板及びその製造方法 |
| JP4225005B2 (ja) * | 2002-08-19 | 2009-02-18 | 株式会社デンソー | 電解めっきを用いた配線の形成方法 |
| US7626829B2 (en) * | 2004-10-27 | 2009-12-01 | Ibiden Co., Ltd. | Multilayer printed wiring board and manufacturing method of the multilayer printed wiring board |
| US7911038B2 (en) * | 2006-06-30 | 2011-03-22 | Renesas Electronics Corporation | Wiring board, semiconductor device using wiring board and their manufacturing methods |
| JP2008091874A (ja) * | 2006-09-08 | 2008-04-17 | Alps Electric Co Ltd | セラミック回路基板とその製造方法 |
| JP2008258520A (ja) * | 2007-04-09 | 2008-10-23 | Shinko Electric Ind Co Ltd | 配線基板の製造方法及び配線基板 |
| JP5101169B2 (ja) * | 2007-05-30 | 2012-12-19 | 新光電気工業株式会社 | 配線基板とその製造方法 |
| JP5582069B2 (ja) * | 2011-03-04 | 2014-09-03 | 株式会社村田製作所 | セラミック多層基板 |
| JP5590223B2 (ja) * | 2011-03-25 | 2014-09-17 | 株式会社村田製作所 | セラミック多層基板 |
-
2009
- 2009-02-16 JP JP2009033315A patent/JP5350830B2/ja not_active Expired - Fee Related
-
2010
- 2010-02-08 TW TW099103718A patent/TWI414221B/zh not_active IP Right Cessation
- 2010-02-16 US US12/706,255 patent/US8233289B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20100208437A1 (en) | 2010-08-19 |
| TW201041473A (en) | 2010-11-16 |
| TWI414221B (zh) | 2013-11-01 |
| JP2010192547A (ja) | 2010-09-02 |
| US8233289B2 (en) | 2012-07-31 |
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