JP5185885B2 - 配線基板および半導体装置 - Google Patents
配線基板および半導体装置 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 56
- 229910000679 solder Inorganic materials 0.000 claims description 54
- 230000002093 peripheral effect Effects 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000010931 gold Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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Description
例えば、従来の配線基板として、特許文献1、特許文献2に記載される技術が提案されている。
NSMD構造は図8(a)の平面図および図8(b)の正面断面図(図8(a)におけるA−A線断面図)に示すように、接続パッド131がソルダーマスク(レジスト)133の開口部134内の導体形状で規定される構造であって、開口部134の内径が接続パッド131の円形部の外径よりも大きくなっている。なお、符号130は、ベースとなる絶縁層である。
一方、SMD構造は図9(a)の平面図および図9(b)の正面断面図(図9(a)におけるB−B線断面図)に示すように、接続パッド132がソルダーマスク(レジスト)133の開口形状(開口部135の形状)で規定される構造であって、開口部135の内径が接続パッド132の円形部の外径よりも小さくなっている。
従来は、図10に示すように、ペリフェラル状配置のバンプを有する半導体チップ(不図示)を配線基板141上にフリップチップ実装する場合、通常、配線基板141上の接続パッド151に、ソルダーマスク153の開口部154内の導体(すなわち接続パッド151)形状で規定されるNSMD構造が採用されると共に、位置合わせマーク156にもNSMD構造が採用されていた。これは、位置合わせマーク156の構造を、接続パッド151の構造と同一にすることによって、半導体チップ上のバンプ中心と配線基板141上のソルダーマスク153の開口部154内の導体(接続パッド)の中心位置が一致するように正確に位置合わせを行うためである。
一方、図11に示すように、エリアアレイ状配置のバンプを有する半導体チップ(不図示)を配線基板142上にフリップチップ実装する場合、通常、配線基板142上の接続パッド152に、ソルダーマスク153の開口形状(開口部155の形状)で規定されるSMD構造が採用されると共に、位置合わせマーク157にもSMD構造が採用されていた。これは、位置合わせマーク157の構造を、接続パッド152の構造と同一にすることによって、半導体チップ上のバンプ中心と配線基板142上のソルダーマスク153の開口部155の中心位置(すなわち、接続パッド152の露出部の中心位置)が一致するように正確に位置合わせを行うためである。なお、図11中の破線部は、ソルダーマスク153で覆われている接続パッド152の縁部形状の一例を示している。
一方、接続パッド12は、SMD(ソルダーマスク・デファイン)構造で形成される。SMD構造であることによって、接続パッドが形成される配線層(配線基板1が多層基板の場合は最上層)の電源系ライン(電源ラインもしくはグラウンドライン)をプレーン化、すなわち平板状に一体で形成することが容易となる。このように電源系ラインのプレーン化は、当該電源系ラインの電気抵抗値を低下させることができる等、配線基板1における電気的特性を向上させる効果が得られる。なお、SMD構造で形成される接続パッド12は全部をプレーン化してもよく、一部(所定の複数箇所)をプレーン化してもよい。本実施形態では、図1の破線部で示されるように、配線層に二箇所のプレーン(平板状導体)17a、17bを設け、その上層となるソルダーマスク13の所定位置に開口部15を設けることによって当該プレーン17a、17bを露出させて接続パッド12を形成している。
2 半導体チップ
3 半導体装置
10 絶縁層
11 配線基板周縁部の接続パッド
12 配線基板中央部の接続パッド
13 ソルダーマスク
14、15 ソルダーマスクの開口部
16 位置合わせマーク
21 半導体チップ周縁部のバンプ
22 半導体チップ中央部のバンプ
Claims (7)
- 半導体チップのバンプとフリップチップ接合される接続パッドを備えた配線基板であって、
前記配線基板の周縁部の接続パッドは、ソルダーマスクの開口部内の導体形状で規定されて、該開口部の内径が該接続パッドの外径よりも大きく形成されるノン・ソルダーマスク・デファイン構造で形成され、
前記配線基板の中央部の接続パッドは、ソルダーマスクの開口部の開口形状で規定されて、該開口部の内径が該接続パッドの外径よりも小さく形成されるソルダーマスク・デファイン構造で形成され、
前記ソルダーマスクは、平面視において枠状に形成された開口部を挟んで、前記配線基板の周縁部に第1のソルダーマスクと、前記配線基板の中央部に第2のソルダーマスクとを有し、
前記配線基板の周縁部の接続パッドが、前記枠状に形成された開口部内において、ペリフェラル状に配設され、
前記配線基板の中央部の接続パッドが、前記第2のソルダーマスクにエリアアレイ状に設けられた開口部から露出して、エリアアレイ状に配設されていること
を特徴とする配線基板。 - 半導体チップのバンプとフリップチップ接合される接続パッドを備えた配線基板であって、
前記配線基板の周縁部の接続パッドは、ソルダーマスクの開口部内の導体形状で規定されて、該開口部の内径が該接続パッドの外径よりも大きく形成されるノン・ソルダーマスク・デファイン構造で形成され、
前記配線基板の中央部の接続パッドは、ソルダーマスクの開口部の開口形状で規定されて、該開口部の内径が該接続パッドの外径よりも小さく形成されるソルダーマスク・デファイン構造で形成され、
前記ソルダーマスクは、前記配線基板の周縁部において、複数個所に配置された矩形状の開口部を有し、
前記配線基板の周縁部の接続パッドが、前記矩形状の開口部内において、ペリフェラル状に配設され、
前記配線基板の中央部の接続パッドが、前記矩形状の開口部よりも中央部側のソルダーマスクにエリアアレイ状に設けられた開口部から露出して、エリアアレイ状に配設されていること
を特徴とする配線基板。 - 前記配線基板は、前記半導体チップがフリップチップ接合される際の位置合わせに用いられる位置合わせマークを表面に備え、
前記位置合わせマークはノン・ソルダーマスク・デファイン構造で形成されていること
を特徴とする請求項1または請求項2記載の配線基板。 - 前記配線基板の周縁部の接続パッドは、隣接するパッドのピッチが100μm以下であり、
前記配線基板の中央部の接続パッドは、隣接するパッドのピッチが100μm以上であること
を特徴とする請求項1〜3のいずれか一項記載の配線基板。 - 前記配線基板の中央部の接続パッドは、全部もしくは複数である一部が平板状に一体で形成されていること
を特徴とする請求項1〜4のいずれか一項記載の配線基板。 - 請求項1〜5のいずれか一項記載の配線基板の接続パッドに半導体チップのバンプがフリップチップ接合されて形成されていること
を特徴とする半導体装置。 - 前記配線基板の周縁部の接続パッドの中心と前記半導体チップの周縁部のバンプの中心とが一致するように実装され、
前記配線基板の中央部の接続パッドの中心と前記半導体チップの中央部のバンプの中心とが一致するように実装されていること
を特徴とする請求項6記載の半導体装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009123040A JP5185885B2 (ja) | 2009-05-21 | 2009-05-21 | 配線基板および半導体装置 |
US12/782,054 US8232641B2 (en) | 2009-05-21 | 2010-05-18 | Wiring substrate and semiconductor device having connection pads formed in non-solder mask defined structure |
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US20120032337A1 (en) * | 2010-08-06 | 2012-02-09 | Taiwan Semiconductor Manufacturing Company, Ltd. | Flip Chip Substrate Package Assembly and Process for Making Same |
US8624392B2 (en) | 2011-06-03 | 2014-01-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Electrical connection for chip scale packaging |
JP2013093538A (ja) * | 2011-10-04 | 2013-05-16 | Ngk Spark Plug Co Ltd | 配線基板及びその製造方法 |
US9548281B2 (en) | 2011-10-07 | 2017-01-17 | Taiwan Semiconductor Manufacturing Company, Ltd. | Electrical connection for chip scale packaging |
US8912668B2 (en) | 2012-03-01 | 2014-12-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | Electrical connections for chip scale packaging |
US8927878B2 (en) * | 2011-10-31 | 2015-01-06 | Mediatek Singapore Pte. Ltd | Printed circuit board and electronic apparatus thereof |
CN103096618B (zh) * | 2011-10-31 | 2016-03-30 | 联发科技(新加坡)私人有限公司 | 印刷电路板以及电子设备 |
TWI473230B (zh) * | 2011-11-29 | 2015-02-11 | Powertech Technology Inc | 可光學檢測銲罩開口偏移在容許範圍內之封裝基板 |
US9196573B2 (en) | 2012-07-31 | 2015-11-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Bump on pad (BOP) bonding structure |
US9673161B2 (en) | 2012-08-17 | 2017-06-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | Bonded structures for package and substrate |
US8829673B2 (en) | 2012-08-17 | 2014-09-09 | Taiwan Semiconductor Manufacturing Company, Ltd. | Bonded structures for package and substrate |
CN103681358B (zh) * | 2012-08-31 | 2017-06-06 | 碁鼎科技秦皇岛有限公司 | 芯片封装基板和结构及其制作方法 |
JP6207190B2 (ja) * | 2013-03-22 | 2017-10-04 | 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 |
TW201503777A (zh) * | 2013-05-30 | 2015-01-16 | Kyocera Slc Technologies Corp | 配線基板 |
US9831205B2 (en) * | 2013-11-18 | 2017-11-28 | Taiwan Semiconductor Manufacturing Company Ltd. | Semiconductor device and manufacturing method thereof |
JP6352644B2 (ja) * | 2014-02-12 | 2018-07-04 | 新光電気工業株式会社 | 配線基板及び半導体パッケージの製造方法 |
US9721880B2 (en) * | 2015-12-15 | 2017-08-01 | Intel Corporation | Integrated circuit package structures |
JP6251828B2 (ja) * | 2017-01-30 | 2017-12-20 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US11652037B2 (en) * | 2020-07-31 | 2023-05-16 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor package and method of manufacture |
JP7519248B2 (ja) | 2020-09-18 | 2024-07-19 | 新光電気工業株式会社 | 配線基板及びその製造方法 |
US11804428B2 (en) | 2020-11-13 | 2023-10-31 | Qualcomm Incorporated | Mixed pad size and pad design |
JP2023137137A (ja) | 2022-03-17 | 2023-09-29 | 新光電気工業株式会社 | 配線基板及びその製造方法 |
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JP3865989B2 (ja) * | 2000-01-13 | 2007-01-10 | 新光電気工業株式会社 | 多層配線基板、配線基板、多層配線基板の製造方法、配線基板の製造方法、及び半導体装置 |
TWI241702B (en) * | 2003-07-28 | 2005-10-11 | Siliconware Precision Industries Co Ltd | Ground pad structure for preventing solder extrusion and semiconductor package having the ground pad structure |
JP2007158081A (ja) | 2005-12-06 | 2007-06-21 | Shinko Electric Ind Co Ltd | 実装基板および半導体装置 |
JP4971769B2 (ja) * | 2005-12-22 | 2012-07-11 | 新光電気工業株式会社 | フリップチップ実装構造及びフリップチップ実装構造の製造方法 |
JP5091469B2 (ja) * | 2006-12-05 | 2012-12-05 | 京セラSlcテクノロジー株式会社 | 配線基板およびその製造方法 |
JP4956173B2 (ja) * | 2006-12-19 | 2012-06-20 | 新光電気工業株式会社 | フリップチップ実装用基板 |
KR100816762B1 (ko) * | 2007-01-02 | 2008-03-25 | 삼성전자주식회사 | 반도체 패키지 및 이를 탑재하기 위한 모듈 인쇄회로기판 |
US7772104B2 (en) * | 2007-02-02 | 2010-08-10 | Freescale Semiconductor, Inc. | Dynamic pad size to reduce solder fatigue |
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