JP5050583B2 - 配線基板及び電子部品の実装構造 - Google Patents
配線基板及び電子部品の実装構造 Download PDFInfo
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Description
ΔPb=Po−Pb=2γ/Rb ・・・式(2)
前記導電部材19が溶融し、その表面張力が作用して平衡状態にある時には、電極端子16の屈曲部16−3に於ける導電部材19の内部圧力Paと、電極端子16の第2の直線状部16−2に於ける導電部材19の内部圧力Pbとは等しくなり、式(1)及び式(2)より、式(3)が得られる。
一方、前記屈曲部16−3に於ける屈曲角θと、当該屈曲部16−3の幅(最大幅)Da、及び第2の直線状部15−2の幅Dbとの間には、次の関係式(4)が成り立つ。
このとき、屈曲部16−3の屈曲角θは、0度<θ<180度であり、この範囲に於いては、式(4)より、次の関係式(5)が得られる。
かかる式(3)及び式(5)より、導電部材19が平衡状態及び溶融状態にあるとき、電極端子16の屈曲部16−3に於ける断面(図5(a)の線A−Aに沿う断面)上の導電部材19の厚さHa、及び電極端子16の第2の直線状部16−2に於ける断面(図5(a)の線B−Bに沿う断面)上の導電部材19の厚さHbについて、以下の関係式(6)が得られる。
この様に、電極端子16の屈曲部16−3に於いては、第1の直線状部16−1並びに第2の直線状部16−2に比し、大なる高さ(厚さ)をもって導電部材19が配設される。
配線基板11は、前述の如く、ガラスエポキシ樹脂、ガラス−BT(ビスマレイミドトリアジン)、或いはポリイミド等の有機材絶縁性樹脂、又はセラミック、ガラス等の無機材料を基材とし、その表面及び/或いは内部に、銅(Cu)等からなる配線層が選択的に配設されている。
尚、前記ボンディングステージを、予め50℃乃至100℃程の温度に加熱して、配線基板11を余熱しておき、導電部材19をより短時間で昇温させることもできる。
当該アンダーフィル材20は、ノズル22を介して供給される。
しかる後、配線基板11の他方の主面(下面)に、半田を主体とする球状電極端子等の外部接続端子を配設(図示せず)し、半導体装置10を形成する。
本発明の実施の形態の変形例1に係る、配線基板の電極端子形状を、図8に示す。同図に於いて、配線基板81上に搭載される半導体素子の外周端部を破線Bにて示し、当該配線基板上の電極端子に半導体素子の凸状外部接続端子が接続される部位を破線円Cにて示す。
即ち、破線Bより右側に半導体素子が位置する。
本発明の実施の形態の変形例2に係る配線基板の電極端子形状を、図9に示す。同図に於いて、配線基板91上に搭載される半導体素子の外周端部を、破線Bにて示す。即ち、破線Bより右側に半導体素子が位置する。また、当該配線基板上の電極端子に半導体素子の凸状外部接続端子が接続される部位を破線円にて示す。
本発明の実施の形態の変形例3に係る配線基板の電極端子形状を、図11に示す。同図に於いて、配線基板131上に搭載される半導体素子の外周端部を破線Bにて示す。即ち、破線Bより右側に半導体素子が位置する。また、当該配線基板上の電極端子に半導体素子の凸状外部接続端子が接続される部位を破線円にて示す。
本発明の実施の形態の変形例4に係る配線基板の電極端子形状を、図14に示す。同図に於いて、配線基板151上に搭載される半導体素子の外周端部を破線Bにて示す。即ち、破線Bより右側に半導体素子が位置する。また、当該配線基板上の電極端子に半導体素子の凸状外部接続端子が接続される部位を破線円にて示す。
(付記1)
一方の主面に、電子部品の外部接続端子が接続される電極端子が複数個、列状に配設された配線基板であって、
前記電極端子は、それぞれ、
第1の直線状部と、
当該第1の直線状部の端部に於いて当該第1の直線状部とは異なる方向に延びる第2の直線状部と、
前記第1の直線状部と前記第2の直線状部とが連続する部位に於ける屈曲部と
を有することを特徴とする配線基板。
(付記2)
付記1記載の配線基板であって、
前記複数個の電極端子は、前記第1の直線状部が互いに並行となる様配設されてなることを特徴とする配線基板。
(付記3)
付記1又は2記載の配線基板であって、
前記複数個の電極端子は、前記第2の直線状部が互いに並行となるよう配設されてなることを特徴とする配線基板。
(付記4)
付記1乃至3記載の配線基板であって、
前記複数個の電極端子は、前記屈曲部が列状に配設されてなることを特徴とする配線基板。
(付記5)
付記4記載の配線基板であって、
前記主面において、複数の前記電極端子から構成される列が、互いに平行に複数形成されており、
一の列を構成する電極端子の屈曲部と、他の列を構成する電極端子の屈曲部とは、前記列の形成方向においてずれて位置していることを特徴とする配線基板。
(付記6)
付記1記載の配線基板であって、
前記複数個の電極端子は、前記屈曲部が複数の列状に配設され、当該複数の列は互いに並行であることを特徴とする配線基板。
(付記7)
付記1記載の配線基板であって、
前記複数個の電極端子は、それぞれ前記第1の直線状部の両端部に前記屈曲部が配設されてなること特徴とする配線基板。
(付記8)
付記7記載の配線基板であって、
前記第1の直線状部の一の端部に配設された屈曲部と、前記第1の直線状部の他の端部に配設された屈曲部は、前記電極端子の配列方向と略垂直の方向に並んで配設されてなることを特徴とする配線基板。
(付記9)
付記7記載の配線基板であって、
前記第1の直線状部の一の端部に配設された屈曲部と、前記第1の直線状部の他の端部に配設された屈曲部は、前記電極端子の配列方向においてずれて配設されてなることを特徴とする配線基板。
(付記10)
付記1乃至9いずれか一項記載の配線基板であって、
前記第2の直線状部は、前記第1の直線状部の端部に於いて前記第1の直線状部に対して鋭角を為して延びていることを特徴とする配線基板。
(付記11)
電子部品が、導電部材を介して配線基板上の電極端子に実装される電子部品の実装構造であって、
一方の主面に、それぞれ、第1の直線状部と、当該第1の直線状部の端部に於いて当該第1の直線状部とは異なる方向に延びる第2の直線状部と、前記第1の直線状部と前記第2の直線状部とが連続する部位に於ける屈曲部とを具備してなる前記電極端子が、複数個、列状に配設された前記配線基板の、前記電極端子の前記屈曲部に、導電部材を介して、前記電子部品の外部接続端子が接続されてなることを特徴とする電子部品の実装構造。
(付記12)
付記11記載の電子部品の実装構造であって、
前記電子部品の前記外部接続端子は、凸状を有することを特徴とする電子部品の実装構造。
(付記13)
付記11記載の電子部品の実装構造であって、
前記電子部品の前記外部接続端子は、互いに並行する複数の列状をもって、前記配線基板上の前記電極端子に接続されてなることを特徴とする電子部品の実装構造。
(付記14)
付記11記載の電子部品の実装構造であって、
前記電子部品の電極パッドに於ける前記外部接続端子の形態に対応して、前記配線基板上の前記電極端子の前記屈曲部が配設され、前記電子部品の前記外部接続端子と前記電極端子の前記屈曲部は、前記導電部材を介して接続されてなることを特徴とする電子部品の実装構造。
(付記15)
付記11乃至14いずれか一項記載の電子部品の実装構造であって、
前記導電部材は、半田を含む材料から構成されることを特徴とする電子部品の実装構造。
11、81、91、131、151 配線基板
12、100、110、132、152 半導体素子
14、114、124、134、154 凸状外部接続端子
16、85、95、135、155 電極端子
16−1、85−1、95−1、135−1、155−1 第1の直線状部
16−2、85−2、95−2、135−2、155−2 第2の直線状部
16−3、85−3、95−3、135−3、155−3 屈曲部
18、117、127、137、157 外部接続用端子パッド
19 導電部材
Claims (10)
- 一方の主面に、電子部品の外部接続端子が接続される電極端子が複数個、列状に配設された配線基板であって、
前記電極端子は、それぞれ、
第1の直線状部と、
第2の直線状部と、
前記第1の直線状部と前記第2の直線状部とを繋ぐ第3の直線状部と、
前記第1の直線状部と前記第3の直線状部とが連続する部位に於ける第1の屈曲部と、
前記第2の直線状部と前記第3の直線状部とが連続する部位に於ける第2の屈曲部と
を有し、
前記第3の直線状部の一の端部に於いて当該第3の直線状部とは異なる方向に前記第1の直線状部が延び、
前記第3の直線状部の他の端部に於いて当該第3の直線状部とは異なる方向に前記第2の直線状部が延びており、
前記電極端子の前記第1の屈曲部及び前記第2の屈曲部は、前記電子部品の外部接続端子が接続される部位であることを特徴とする配線基板。 - 請求項1記載の配線基板であって、
前記複数個の電極端子は、前記第1の直線状部が互いに並行となる様配設されてなることを特徴とする配線基板。 - 請求項1又は2記載の配線基板であって、
前記複数個の電極端子は、前記第2の直線状部が互いに並行となるよう配設されてなることを特徴とする配線基板。 - 請求項1乃至3の何れか一項記載の配線基板であって、
前記複数個の電極端子は、前記屈曲部が列状に配設されてなることを特徴とする配線基板。 - 請求項1記載の配線基板であって、
前記複数個の電極端子は、前記屈曲部が複数の列状に配設され、当該複数の列は互いに並行であることを特徴とする配線基板。 - 請求項1記載の配線基板であって、
前記複数個の電極端子は、それぞれ前記第3の直線状部の両端部に前記屈曲部が配設されてなること特徴とする配線基板。 - 電子部品が、導電部材を介して配線基板上の電極端子に実装される電子部品の実装構造であって、
一方の主面に、それぞれ、第1の直線状部と、第2の直線状部と、前記第1の直線状部と前記第2の直線状部とを繋ぐ第3の直線状部と、前記第1の直線状部と前記第3の直線状部とが連続する部位に於ける第1の屈曲部と、前記第2の直線状部と前記第3の直線状部とが連続する部位に於ける第2の屈曲部とを有し、前記第3の直線状部の一の端部に於いて当該第3の直線状部とは異なる方向に前記第1の直線状部が延び、前記第3の直線状部の他の端部に於いて当該第3の直線状部とは異なる方向に前記第2の直線状部が延びている前記電極端子が、複数個、列状に配設された前記配線基板の、前記電極端子の前記屈曲部に、導電部材を介して、前記電子部品の外部接続端子が接続されてなることを特徴とする電子部品の実装構造。 - 請求項7記載の電子部品の実装構造であって、
前記電子部品の前記外部接続端子は、凸状を有することを特徴とする電子部品の実装構造。 - 請求項7記載の電子部品の実装構造であって、
前記電子部品の前記外部接続端子は、互いに並行する複数の列状をもって、前記配線基板上の前記電極端子に接続されてなることを特徴とする電子部品の実装構造。 - 請求項7記載の電子部品の実装構造であって、
前記電子部品の電極パッドに於ける前記外部接続端子の形態に対応して、前記配線基板上の前記電極端子の前記屈曲部が配設され、前記電子部品の前記外部接続端子と前記電極端子の前記屈曲部は、前記導電部材を介して接続されてなることを特徴とする電子部品の実装構造。
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| JP2009105139A (ja) | 2007-10-22 | 2009-05-14 | Shinko Electric Ind Co Ltd | 配線基板及びその製造方法と半導体装置 |
| US8528200B2 (en) * | 2009-12-18 | 2013-09-10 | Ibiden Co., Ltd. | Printed wiring board and method for manufacturing printed wiring board |
| JP5835725B2 (ja) * | 2011-05-25 | 2015-12-24 | 京セラサーキットソリューションズ株式会社 | 配線基板 |
| JP5789431B2 (ja) * | 2011-06-30 | 2015-10-07 | 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 |
| JP2013033821A (ja) * | 2011-08-01 | 2013-02-14 | Seiko Epson Corp | 基板、電子デバイスおよび電子機器 |
| JP5778557B2 (ja) | 2011-11-28 | 2015-09-16 | 新光電気工業株式会社 | 半導体装置の製造方法、半導体装置、及び半導体素子 |
| JP5501387B2 (ja) * | 2012-01-06 | 2014-05-21 | 新光電気工業株式会社 | 配線基板及びその製造方法と半導体装置 |
| KR20150139190A (ko) * | 2014-06-03 | 2015-12-11 | 삼성전기주식회사 | 소자 및 소자 패키지 |
| CN106463427B (zh) * | 2014-06-27 | 2020-03-13 | 索尼公司 | 半导体装置及其制造方法 |
| CN108701670A (zh) * | 2015-12-11 | 2018-10-23 | 薄膜电子有限公司 | 具有电镀的天线和/或迹线的电子装置及其制造和使用方法 |
| CN108401363B (zh) * | 2017-02-07 | 2021-04-06 | 扬智科技股份有限公司 | 电路板结构 |
| JP2019165088A (ja) | 2018-03-19 | 2019-09-26 | 東芝メモリ株式会社 | 半導体装置およびその製造方法 |
| KR102822948B1 (ko) | 2020-08-12 | 2025-06-20 | 삼성전자주식회사 | 배선 구조물 및 이를 포함하는 반도체 칩 |
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| JP2985401B2 (ja) | 1991-07-29 | 1999-11-29 | 井関農機株式会社 | 水田用農作業機の自動昇降制御装置 |
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| US5160409A (en) | 1991-08-05 | 1992-11-03 | Motorola, Inc. | Solder plate reflow method for forming a solder bump on a circuit trace intersection |
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| JPH06216507A (ja) | 1993-01-18 | 1994-08-05 | Furukawa Electric Co Ltd:The | はんだプリコート回路基板 |
| US5444303A (en) * | 1994-08-10 | 1995-08-22 | Motorola, Inc. | Wire bond pad arrangement having improved pad density |
| JP3080047B2 (ja) * | 1997-11-07 | 2000-08-21 | 日本電気株式会社 | バンプ構造体及びバンプ構造体形成方法 |
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