JPWO2017006391A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JPWO2017006391A1 JPWO2017006391A1 JP2017526799A JP2017526799A JPWO2017006391A1 JP WO2017006391 A1 JPWO2017006391 A1 JP WO2017006391A1 JP 2017526799 A JP2017526799 A JP 2017526799A JP 2017526799 A JP2017526799 A JP 2017526799A JP WO2017006391 A1 JPWO2017006391 A1 JP WO2017006391A1
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- Prior art keywords
- wiring layer
- pattern
- wiring
- semiconductor device
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Abstract
Description
図1〜図4に示す本実施の形態の半導体装置は、配線基板2の上面2a上に半導体チップ1が搭載され、この半導体チップ1が樹脂製の封止体4によって封止された樹脂封止タイプの半導体パッケージである。そして、半導体チップ1は、配線基板2のボンディングリード(電極)2cとワイヤ(導電性部材)7を介して電気的に接続されており、本実施の形態では、前記半導体装置の一例として、配線基板2の下面2bに複数の外部端子である半田ボール5が設けられたBGA9について説明する。ただし、前記半導体装置の構造として、BGAに限らずLGA(Land Grid Array)であってもよい。
図18〜図20を用いて4層の配線層を有する配線基板2の製造方法について説明する。図18、図19および図20は、図1に示す半導体装置の配線基板の組立て手順の一例を示すフロー図および断面図である。
次に、図21〜図24を用いて本実施の形態のBGA9の製造方法について説明する。図21〜図24は、それぞれ図1の半導体装置の組立て手順を示すフロー図および断面図である。
図25は図1に示す半導体装置の実装構造の一例を示す断面図である。
図26は図1の半導体装置の配線基板における最下層の配線層の配線パターンと半導体チップの位置関係の第1変形例を示す部分平面図、図27は図1の半導体装置の配線基板における最下層の配線層の配線パターンと半導体チップの位置関係の第1変形例を示す部分平面図、図28は図1の半導体装置の配線基板における最下層の配線層の裏面側の配線パターンの第1変形例を示す部分平面図である。
図29は図1に示す半導体装置の配線基板における上から2番目の配線層(L2)の配線パターンの第2変形例を示す平面図、図30は図1に示す半導体装置の配線基板における上から3番目の配線層(L3)の配線パターンの第2変形例を示す平面図である。
図31は実施の形態の第3変形例の半導体装置の構造を示す断面図である。
図32は図1の半導体装置の配線基板における最上層の配線層の配線パターンの第4変形例を示す平面図、図33は図32のA−A線に沿って切断した半導体装置の構造の第4変形例を示す断面図である。
図34は実施の形態の第5変形例の配線基板の組立て手順を示すフロー図および断面図であり、図34では、3層の配線層を有する配線基板21の製造方法を示している。ただし、図34においては、4層の配線層を有する配線基板2と同様の工程については、図示を省略している。
図35は比較検討例の半導体装置の配線基板におけるSMD構造を示す部分断面図、図36は図35に示すSMD構造を示す部分平面図、図37は比較検討例の半導体装置の配線基板におけるNSMD構造を示す部分断面図、図38は図37に示すNSMD構造を示す部分平面図である。
以上、本発明者によってなされた発明を実施の形態に基づき具体的に説明したが、本発明はこれまで記載した実施の形態に限定されるものではなく、その要旨を逸脱しない範囲で種々変更可能であることはいうまでもない。
2 配線基板
2c ボンディングリード
2d ソルダレジスト膜(第1保護膜)
2da 上面(第1面)
2e ソルダレジスト膜(第2保護膜)
2f 第1絶縁層
2fa 上面(第1面)
2fb 下面(第2面)
2g 第2絶縁層
2ga 上面(第1面)
2h 第2絶縁層
2hb 下面(第1面)
2i 第1配線層
2ia 上面(第2面)
2ib 下面(第1面)
2ic 第1パターン
2id 第2パターン
2j 第2配線層
2ja 上面
2jb 下面(第1面)
2jc 第1パターン
2jd 第2パターン
2je 第1領域
2jf 第2領域
2jg ランド
2jh 第1ランド
2ji 第2ランド
2jj スルーホール
2jk スルーホール
2jm 第1開口部(開口部)
2jn 第2開口部(開口部)
2k 第1配線層
2ka 上面(第1面)
2kc 第1パターン
2kd 第2パターン
2m 第2配線層
4 封止体
5 半田ボール(外部端子)
7 ワイヤ
9 BGA(半導体装置)
Claims (16)
- 第1絶縁層、前記第1絶縁層の第1面側を覆う第1保護膜、前記第1絶縁層の前記第1面とは反対側の第2面に接合された第1配線層、前記第1配線層の第1面に接合された第2絶縁層、前記第2絶縁層の第1面に接合された第2配線層、および前記第2配線層の第1面を覆う第2保護膜、を有する配線基板と、
接着剤を介して前記第1保護膜の第1面に固定された半導体チップと、
を含み、
前記第1配線層の前記第1面とは反対側の第2面の平坦度は、前記第1配線層の前記第1面の平坦度よりも低く、
前記第1配線層は、第1パターンを有し、
前記第2配線層は、第1パターンと、複数の第2パターンと、を有し、
前記第2配線層に設けられた前記第1パターンは、前記第1配線層に設けられた前記第1パターンと重なる位置に設けられており、
平面視において、前記第2配線層に設けられた前記第1パターンの面積は、前記第2配線層に設けられた前記複数の第2パターンの総面積よりも大きく、
前記第2配線層に設けられた前記第1パターンには、前記第2絶縁層の一部を露出する開口部が形成されている、半導体装置。 - 請求項1に記載の半導体装置において、
平面視において、前記第2配線層に設けられた前記第1パターンの面積は、前記半導体チップの面積よりも大きい、半導体装置。 - 請求項2に記載の半導体装置において、
透過平面視において、前記半導体チップは、前記第2配線層に設けられた前記第1パターンの内側に位置している、半導体装置。 - 請求項3に記載の半導体装置において、
前記第2配線層の前記第1パターンは、前記第2保護膜から露出する複数のランドを有し、
前記複数の各々のランド上に形成された複数の半田ボールを有する、半導体装置。 - 請求項4に記載の半導体装置において、
前記第2配線層の前記第1パターンの前記複数のランドは、互いに隣り合うように配置された第1ランドおよび第2ランドを有し、
前記第1ランドと前記第2ランドとの間には、前記第2絶縁層の一部を露出する第1開口部が形成されている、半導体装置。 - 請求項5に記載の半導体装置において、
前記第2配線層の前記第1パターンは、前記複数のランドが形成された第1領域と、前記第1領域の外側に位置する第2領域と、を有し、
前記開口部は、前記第1開口部と、前記第1開口部とは異なる第2開口部と、を含み、
前記第1開口部は、前記第1領域に配置され、かつ、前記第2開口部は、前記第2領域に配置され、
前記第1開口部の幅は、前記第2開口部の幅より狭い、半導体装置。 - 請求項6に記載の半導体装置において、
透過平面視において、前記第2配線層に設けられた前記第1パターンは、前記第1配線層の前記第1パターンの内側に配置されている、半導体装置。 - 請求項7に記載の半導体装置において、
前記第2配線層の前記複数の各々の第2パターンは、前記第2保護膜から露出する複数のランドを有し、前記複数の各々のランド上に形成された複数の半田ボールを有する、半導体装置。 - 請求項8に記載の半導体装置において、
前記複数の各々のランドの周縁部は、前記第2保護膜によって覆われ、前記複数の半田ボールの各々は、前記複数の各々のランドと、前記複数の各々のランドの周縁部上の前記第2保護膜とに接合するように設けられている、半導体装置。 - 第1絶縁層、前記第1絶縁層の第1面側に位置する第1保護膜、前記第1絶縁層の前記第1面とは反対側の第2面に貼り付けられた第1配線層、前記第1配線層の第1面に貼り付けられた第2絶縁層、前記第2絶縁層の第1面に貼り付けられた第2配線層、および前記第2配線層の前記第1面を覆う第2保護膜、を有する配線基板と、
ダイボンド材を介して前記第1保護膜の第1面に搭載された半導体チップと、
前記半導体チップおよび前記配線基板の前記第1保護膜の前記第1面を封止する封止体と、
を含み、
前記第1配線層の前記第1面とは反対側の第2面の平坦度は、前記第1配線層の前記第1面の平坦度よりも低く、
前記第1配線層は、第1パターンを有し、
前記第2配線層は、第1パターンと、複数の第2パターンと、を有し、
透過平面視において、前記第2配線層に設けられた前記第1パターンは、前記第1配線層に設けられた前記第1パターンと重なる位置に設けられており、
平面視において、前記第2配線層に設けられた前記第1パターンの総面積は、前記第2配線層に設けられた前記複数の第2パターンの総面積よりも大きく、
前記第2配線層に設けられた前記第1パターンには、前記第2絶縁層の表面を露出する開口部が形成されている、半導体装置。 - 請求項10に記載の半導体装置において、
前記第2配線層の前記第1パターンは、前記第2保護膜から露出する複数のランドを有し、
前記第2配線層の前記第1パターンの前記複数のランドは、互いに隣り合うように配置された第1ランドおよび第2ランドを有し、
前記第1ランドと前記第2ランドとの間には、前記第2絶縁層の一部を露出する第1開口部が形成されている、半導体装置。 - 請求項11に記載の半導体装置において、
前記第2配線層の前記第1パターンは、前記複数のランドが形成された第1領域と、前記第1領域の外側に位置する第2領域と、を有し、
前記開口部は、前記第1開口部と、前記第1開口部とは異なる第2開口部と、を含み、
前記第1開口部は、前記第1領域に配置され、かつ、前記第2開口部は、前記第2領域に配置され、
前記第1開口部の幅は、前記第2開口部の幅より狭い、半導体装置。 - 請求項11に記載の半導体装置において、
前記複数のランドそれぞれの周縁部は、前記第2保護膜によって覆われ、複数の半田ボールのそれぞれが、前記複数の各々のランドと、前記複数の各々のランドの周縁部上の前記第2保護膜とに接合するように設けられている、半導体装置。 - 請求項10に記載の半導体装置において、
平面視において、前記第2配線層に設けられた前記第1パターンの面積は、前記半導体チップの面積よりも大きい、半導体装置。 - 請求項10に記載の半導体装置において、
透過平面視において、前記第2配線層に設けられた前記第1パターンは、前記第1配線層の前記第1パターンの内側に配置されている、半導体装置。 - 第1絶縁層、前記第1絶縁層の第1面に貼り付けられた上側第1配線層、前記上側第1配線層の第1面を覆う第1保護膜、前記第1絶縁層の前記第1面とは反対側の第2面に貼り付けられた下側第1配線層、前記下側第1配線層の第1面に貼り付けられた第2絶縁層、前記第2絶縁層の第1面に貼り付けられた第2配線層、および前記第2配線層の前記第1面を覆う第2保護膜、を有する配線基板と、
ダイボンド材を介して前記第1保護膜の第1面に搭載された半導体チップと、
前記半導体チップおよび前記配線基板の前記第1保護膜の前記第1面を封止する封止体と、
を含み、
前記下側第1配線層の前記第1面とは反対側の第2面の平坦度は、前記下側第1配線層の前記第1面の平坦度よりも低く、
前記下側第1配線層は、第1パターンを有し、
前記第2配線層は、第1パターンと、複数の第2パターンと、を有し、
透過平面視において、前記第2配線層に設けられた前記第1パターンは、前記下側第1配線層に設けられた前記第1パターンと重なる位置に設けられており、
平面視において、前記第2配線層に設けられた前記第1パターンの総面積は、前記第2配線層に設けられた前記複数の第2パターンの総面積よりも大きく、
前記第2配線層に設けられた前記第1パターンには、前記第2絶縁層の表面を露出する開口部が形成されている、半導体装置。
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CN217363376U (zh) * | 2019-05-15 | 2022-09-02 | 株式会社村田制作所 | 树脂多层基板以及电子部件 |
JP7331521B2 (ja) * | 2019-07-24 | 2023-08-23 | Tdk株式会社 | 電子部品内蔵基板 |
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CN117043933A (zh) * | 2021-03-25 | 2023-11-10 | 索尼半导体解决方案公司 | 半导体装置、半导体装置的制造方法和电子设备 |
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- 2015-07-03 EP EP15897654.8A patent/EP3319120A1/en not_active Withdrawn
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US20180090429A1 (en) | 2018-03-29 |
JP6439046B2 (ja) | 2018-12-19 |
HK1244353A1 (zh) | 2018-08-03 |
KR20180022628A (ko) | 2018-03-06 |
CN107210267A (zh) | 2017-09-26 |
CN107210267B (zh) | 2020-06-02 |
WO2017006391A1 (ja) | 2017-01-12 |
EP3319120A1 (en) | 2018-05-09 |
US10134665B2 (en) | 2018-11-20 |
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