JP7629340B2 - 配線基板、半導体装置及び配線基板の製造方法 - Google Patents
配線基板、半導体装置及び配線基板の製造方法 Download PDFInfo
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- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
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Description
2 配線基板
3 半導体チップ
20 配線パターン(配線)
20A 配線パターン
20A1 配線パターン(第2の配線)
20A2 配線パターン(第1の配線)
21A パッド
22 認識マーク
30 ソルダーレジスト層
30A ソルダーレジスト層
31A 開口部
32 貫通孔
32A 第1の貫通孔
32B 第2の貫通孔
321 一方の貫通孔
322 他方の貫通孔
32A1 一方の第1の貫通孔
32A2 他方の第1の貫通孔
32B1 一方の第2の貫通孔
32B2 他方の第2の貫通孔
CA チップ実装領域
Claims (8)
- 配線と、前記配線を覆う絶縁層とを有し、
前記配線は、
平面形状が所定形状の認識マークとなるように形成され、平面形状が円形状の第1の配線と、
少なくとも一部が前記絶縁層から露出される円形状のパッドを備えた第2の配線と、を有し、
前記絶縁層は、
前記第1の配線の上面を全て露出させるように当該絶縁層の厚さ方向に貫通する、平面形状が異形状の貫通孔を有し、
前記貫通孔は、
前記第1の配線の上面を全て露出させるように前記絶縁層を前記厚さ方向に貫通する、平面形状が円形状の第1の貫通孔と、
前記第1の貫通孔の内壁面の一部となる前記絶縁層を前記厚さ方向に貫通する、平面形状が所定形状の第2の貫通孔と、を有し、
前記円形状の前記第1の貫通孔と前記所定形状の前記第2の貫通孔とを用いて、前記認識マークの平面形状と異なる前記異形状の前記貫通孔を構成することを特徴とする配線基板。 - 前記第1の貫通孔の口径は前記第1の配線の径よりも大きく、前記第1の貫通孔内の内壁面と前記第1の配線の側壁とが接触しないように、前記第1の配線を前記第1の貫通孔内に配置したことを特徴とする請求項1に記載の配線基板。
- 前記第1の貫通孔の口径は前記第1の配線の径よりも大きく、かつ、前記第2の貫通孔内の内壁面と前記第1の配線の側壁との間の最長距離が前記第1の貫通孔内の内壁面と前記第1の配線の側壁との間の最短距離に比較して長く、前記第1の貫通孔内の内壁面と前記第1の配線の側壁とが接触しないように、前記第1の配線を前記第1の貫通孔内に配置したことを特徴とする請求項1に記載の配線基板。
- 半導体チップを搭載する、平面形状が矩形状のチップ実装領域を基板上に縦横方向に複数配置し、前記チップ実装領域毎に、当該チップ実装領域の略対角線上の当該チップ実装領域の外側の部位に一方の前記貫通孔と他方の前記貫通孔とが対向するように配置し、一方の前記貫通孔内の前記第1の貫通孔の内壁面の第1の位置に一方の前記貫通孔内の前記第2の貫通孔が形成され、他方の前記貫通孔内の前記第1の貫通孔の内壁面の前記第1の位置とは異なる第2の位置に他方の前記貫通孔内の前記第2の貫通孔が形成され、
一方の前記貫通孔と他方の前記貫通孔とが前記チップ実装領域を中心として点対称の形状であることを特徴とする請求項1~3の何れか一つに記載の配線基板。 - 前記配線は、
前記第1の配線と前記第2の配線とは同じ厚さで形成されていることを特徴とする請求項1~4の何れか一つに記載の配線基板。 - 配線と、前記配線を覆う絶縁層と、半導体チップとを有し、
前記配線は、
平面形状が所定形状の認識マークとなるように形成され、平面形状が円形状の第1の配線と、
前記半導体チップが電気的に接続する、少なくとも一部が前記絶縁層から露出される円形状のパッドを備えた第2の配線とを有し、
前記絶縁層は、
前記第1の配線の上面を全て露出させるように当該絶縁層の厚さ方向に貫通する、平面形状が異形状の貫通孔を有し、
前記貫通孔は、
前記第1の配線の上面を全て露出させるように前記絶縁層を前記厚さ方向に貫通する、平面形状が円形状の第1の貫通孔と、
前記第1の貫通孔の内壁面の一部となる前記絶縁層を前記厚さ方向に貫通する、平面形状が所定形状の第2の貫通孔と、を有し、
前記円形状の前記第1の貫通孔と前記所定形状の前記第2の貫通孔とを用いて、前記認識マークの平面形状と異なる前記異形状の前記貫通孔を構成することを特徴とする半導体装置。 - 絶縁層から露出される認識マークを有する配線基板の製造方法であって、
平面形状が所定形状の前記認識マークとなる平面形状が円形状の第1の配線と、少なくとも一部に円形状のパッドを有する第2の配線を形成する配線層形成工程と、
前記第1の配線及び前記第2の配線を覆うように前記絶縁層を形成する絶縁層形成工程と、
前記第1の配線の上面の全てを前記絶縁層から露出するように前記絶縁層の厚さ方向に貫通する、平面形状が異形状の貫通孔を前記絶縁層に形成する貫通孔形成工程と、
前記第2の配線の円形状のパッドの少なくとも一部を前記絶縁層から露出する開口形成工程と、
を有し、
前記貫通孔形成工程は、
前記第1の配線の上面を全て露出させるように前記厚さ方向に貫通する、平面形状が円形状の第1の貫通孔を前記絶縁層に形成する第1の貫通孔形成工程と、
前記第1の貫通孔の内壁面の一部となる前記絶縁層を前記厚さ方向に貫通する、平面形状が所定形状の第2の貫通孔を前記絶縁層に形成する第2の貫通孔形成工程とを有し、
前記円形状の前記第1の貫通孔及び前記所定形状の前記第2の貫通孔を用いて、前記認識マークの平面形状と異なる前記異形状の前記貫通孔を形成することを特徴とする配線基板の製造方法。 - 前記配線層形成工程では、
前記第1の配線と同じ厚さの第2の配線を形成し、
前記開口形成工程では、
前記第2の配線に対向する領域の前記絶縁層を前記厚さ方向に貫通することで、前記第2の配線の円形状のパッドの少なくとも一部を前記絶縁層から露出することを特徴とする請求項7に記載の配線基板の製造方法。
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| JP2021081908A JP7629340B2 (ja) | 2021-05-13 | 2021-05-13 | 配線基板、半導体装置及び配線基板の製造方法 |
| CN202210501603.4A CN115346942A (zh) | 2021-05-13 | 2022-05-10 | 电路板、半导体装置及电路板的制造方法 |
| US17/740,777 US11792920B2 (en) | 2021-05-13 | 2022-05-10 | Circuit board, semiconductor device and method of manufacturing circuit board |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001068843A (ja) | 1999-08-30 | 2001-03-16 | Taiyo Yuden Co Ltd | 半田ペースト印刷方法,半田ペースト印刷装置及び半田ペースト印刷用マスク |
| JP2005150654A (ja) | 2003-11-20 | 2005-06-09 | Orion Denki Kk | プリント基板の形成方法、及びプリント基板 |
| JP2012074443A (ja) | 2010-09-28 | 2012-04-12 | Shinko Electric Ind Co Ltd | 配線基板、半導体装置及び配線基板の製造方法 |
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| US20220369454A1 (en) | 2022-11-17 |
| CN115346942A (zh) | 2022-11-15 |
| US11792920B2 (en) | 2023-10-17 |
| JP2022175499A (ja) | 2022-11-25 |
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