JP5140565B2 - 素子搭載用基板、半導体モジュール、および携帯機器 - Google Patents
素子搭載用基板、半導体モジュール、および携帯機器 Download PDFInfo
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- JP5140565B2 JP5140565B2 JP2008305495A JP2008305495A JP5140565B2 JP 5140565 B2 JP5140565 B2 JP 5140565B2 JP 2008305495 A JP2008305495 A JP 2008305495A JP 2008305495 A JP2008305495 A JP 2008305495A JP 5140565 B2 JP5140565 B2 JP 5140565B2
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- wiring layer
- electrode
- protruding electrode
- semiconductor module
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Description
図1は、実施の形態に係る半導体モジュールの構造を示す断面図である。
実施の形態1に係る素子搭載用基板および半導体モジュールの製造方法について図2乃至7を参照して説明する。
図8は、実施の形態2に係る半導体モジュール10の構成を示す断面図である。実施の形態2に係る半導体モジュール10の基本構成は、突起接続領域52における配線層50の構造を除き、実施の形態1と同様である。このため、実施の形態2に係る半導体モジュール10に関して、実施の形態1と同様な構成については説明を省略し、実施の形態1と異なる構成を中心に説明する。
実施の形態2に係る素子搭載用基板および半導体モジュールの基本的な製造方法は、配線層のパターニング工程を除き、実施の形態1と同様である。本実施の形態では、図5(B)に示した加圧成形の後に、図9(A)に示すように、突起接続領域に対応する部分のうち、配線層の先端側となるべき領域にレジスト300を形成する。
以上のような効果を確認するために有限要素法(Ansys Ver.11.0)を用いてシミュレーションを行った。図10および図11は、シミュレーションに用いた配線層および突起電極のモデル(図10が実施例のモデル、図11が比較例のモデル)を示す斜視図である。簡略化のため、配線層50および突起電極60は矩形状とした。実施例および比較例のモデルでは、配線層50は、片持ち梁状とし、配線層50の先端部に突起電極60が形成されている点で共通する。図10および図11に配線層50および突起電極60の寸法(単位:μm)を示す。実施例のモデルでは、配線層50の先端部側において、配線層50が薄膜化されている。一方、比較例のモデルでは、配線層50の厚みは突起電極60との接続部分を含む全領域で一定である。
温度範囲:39℃から130℃
保持時間:−39℃・・・5分、130℃・・・10分
昇温時間:10分(−39℃から130℃へ)
高温時間:25分(130℃から−39℃へ)
加熱終了後から次回加熱までの時間間隔:60分
図13は、実施の形態3に係る半導体モジュール10の構成を示す断面図である。実施の形態3に係る半導体モジュール10の基本構成は、実施の形態1と同様である。このため、実施の形態2に係る半導体モジュール10に関して、実施の形態1と同様な構成については説明を省略し、実施の形態1と異なる構成を中心に説明する。
実施の形態3に係る素子搭載用基板および半導体モジュールの基本的な製造方法は、実施の形態1と同様である。本実施の形態では、図5(B)に示した銅板200をパターニングして配線層を形成する際に、銅板200を選択的に除去するとともに、配線層の端部の側方において突起電極60の一部が除去されるように、オーバーエッチングすればよい。
次に、本発明の半導体モジュールを備えた携帯機器について説明する。なお、携帯機器として携帯電話に搭載する例を示すが、たとえば、個人用携帯情報端末(PDA)、デジタルビデオカメラ(DVC)、音楽プレーヤ、及びデジタルスチルカメラ(DSC)といった電子機器であってもよい。
Claims (4)
- 絶縁樹脂層と、
前記絶縁樹脂層の一方の主表面に設けられた配線層と、
前記配線層の端部において前記配線層と電気的に接続され、前記配線層から前記絶縁樹脂層側に突出している突起電極と、を備え、
前記配線層の端部側の一部の高さが前記端部側とは反対側に延在する前記配線層の領域の高さに比べて低く、
前記配線層の端部側の側方において、前記突起電極の頂面部とは反対側の前記突起電極の面が前記絶縁樹脂層の一方の主表面より低くなっており、且つ当該面が前記絶縁樹脂層で被覆されておらず、
前記配線層の端部側の一部と前記突起電極の当該面とが滑らかに連続していることを特徴とする素子搭載用基板。 - 前記配線層と前記突起電極とが一体的に形成されている請求項1に記載の素子搭載用基板。
- 請求項1又は2に記載の素子搭載用基板と、
前記突起電極に対向する素子電極が設けられた半導体素子と、を備え、
前記突起電極が前記絶縁樹脂層を貫通し、前記突起電極と前記素子電極とが電気的に接続されていることを特徴とする半導体モジュール。 - 請求項3に記載の半導体モジュールを備えることを特徴とする携帯機器。
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JP2008305495A JP5140565B2 (ja) | 2008-11-28 | 2008-11-28 | 素子搭載用基板、半導体モジュール、および携帯機器 |
US12/626,807 US8314345B2 (en) | 2008-11-28 | 2009-11-27 | Device mounting board and semiconductor module |
CN2009102463469A CN101916750A (zh) | 2008-11-28 | 2009-11-27 | 元件装配用基板及其制造方法、半导体模块和便携式设备 |
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US6833613B1 (en) * | 1997-12-18 | 2004-12-21 | Micron Technology, Inc. | Stacked semiconductor package having laser machined contacts |
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JP3446826B2 (ja) * | 2000-04-06 | 2003-09-16 | 沖電気工業株式会社 | 半導体装置及びその製造方法 |
CN1275328C (zh) * | 2000-06-21 | 2006-09-13 | 日立马库塞鲁株式会社 | 半导体芯片和使用了该半导体芯片的半导体器件 |
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US20040089470A1 (en) * | 2002-11-12 | 2004-05-13 | Nec Corporation | Printed circuit board, semiconductor package, base insulating film, and manufacturing method for interconnect substrate |
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