JP5436836B2 - 半導体装置内蔵基板の製造方法 - Google Patents
半導体装置内蔵基板の製造方法 Download PDFInfo
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- JP5436836B2 JP5436836B2 JP2008280168A JP2008280168A JP5436836B2 JP 5436836 B2 JP5436836 B2 JP 5436836B2 JP 2008280168 A JP2008280168 A JP 2008280168A JP 2008280168 A JP2008280168 A JP 2008280168A JP 5436836 B2 JP5436836 B2 JP 5436836B2
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- insulating layer
- wiring pattern
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Description
[本発明の第1の実施の形態に係る半導体装置内蔵基板の構造]
始めに、本発明の第1の実施の形態に係る半導体装置内蔵基板の構造について説明する。図1は、本発明の第1の実施の形態に係る半導体装置内蔵基板の断面図である。図1を参照するに、半導体装置内蔵基板20は、半導体装置10と、配線パターン14と、配線パターン44と、配線パターン45と、絶縁層41と、絶縁層42と、絶縁層43と、ソルダーレジスト層16と、ソルダーレジスト層18と、外部接続端子17とを有する。
続いて、本発明の第1の実施の形態に係る半導体装置内蔵基板の製造方法について説明する。図2〜図21は、本発明の第1の実施の形態に係る半導体装置内蔵基板の製造工程を例示する図である。図2〜図21において、図1に示す半導体装置内蔵基板20と同一構成部分には同一符号を付し、その説明を省略する場合がある。図2〜図11において、Cはダイシングブレードが半導体基板31を切断する位置(以下、「基板切断位置C」とする)、Aは複数の半導体装置形成領域(以下、「半導体装置形成領域A」とする)、Bは複数の半導体装置形成領域Aを分離する、基板切断位置Cを含むスクライブ領域(以下、「スクライブ領域B」とする)を示している。
[本発明の第2の実施の形態に係る半導体装置内蔵基板の構造]
始めに、本発明の第2の実施の形態に係る半導体装置内蔵基板の構造について説明する。図22は、本発明の第2の実施の形態に係る半導体装置内蔵基板の断面図である。図22に示す半導体装置内蔵基板60において、図1に示す半導体装置内蔵基板20と同一構成部分には同一符号を付し、その説明を省略する場合がある。図22を参照するに、半導体装置内蔵基板60は、半導体装置10と、配線パターン14と、配線パターン44と、配線パターン45と、絶縁層41と、絶縁層42と、ソルダーレジスト層16と、ソルダーレジスト層18と、外部接続端子17とを有する。図22を参照するに、第2の実施の形態に係る半導体装置内蔵基板60は、絶縁層43を有さないこと以外は、半導体装置内蔵基板20と同様である。以下、半導体装置内蔵基板20と異なる部分についてのみ説明する。
続いて、本発明の第2の実施の形態に係る半導体装置内蔵基板の製造方法について説明する。図23及び図24は、本発明の第2の実施の形態に係る半導体装置内蔵基板の製造工程を例示する図である。図23及び図24において、図22に示す半導体装置内蔵基板60と同一構成部分には同一符号を付し、その説明を省略する場合がある。
11 半導体チップ
12 接続端子
12A,13A,25A,25B,40A,41A,41B,42A,43B 面
13,41,42,43 絶縁層
14,44,45 配線パターン
16,18 ソルダーレジスト層
16X,18X 開口部
17 外部接続端子
20,60 半導体装置内蔵基板
21,31 半導体基板
22 半導体集積回路
23 電極パッド
24 保護膜
25 板状体
26,27,46,47,48,49 金属層
40 支持体
41X,42X,43X ビアホール
A 半導体装置形成領域
B スクライブ領域
C 基板切断位置
T1〜T11 厚さ
H1 高さ
Claims (5)
- 半導体集積回路と、前記半導体集積回路と電気的に接続された接続端子と、前記接続端子の一部を露出する第1絶縁層と、を有する半導体装置を準備する第1工程と、
支持体を準備し、前記第1絶縁層から露出する前記接続端子の露出部が前記支持体の一方の面と対向するように、前記半導体装置を前記支持体の一方の面に配置する第2工程と、
前記支持体の一方の面に配置された前記半導体装置の少なくとも側面部を埋めるように、前記支持体の前記一方の面に第2絶縁層を形成する第3工程と、
前記支持体を除去する第4工程と、
前記第1絶縁層及び前記第2絶縁層の前記露出部側の面に、前記露出部と電気的に接続する第1配線パターンを形成する第5工程と、
前記第2絶縁層に、前記第1配線パターンを露出する第1ビアホールを形成する第6工程と、
前記第2絶縁層の前記露出部と反対側の面に、前記第1ビアホールを介して、前記第1配線パターンと電気的に接続する第2配線パターンを形成する第7工程と、を有する半導体装置内蔵基板の製造方法。 - 前記第6工程よりも前に、前記半導体装置及び前記第2絶縁層の前記露出部と反対側の面に、第3絶縁層を形成する第8工程を有し、
前記第6工程では、前記第2絶縁層及び前記第3絶縁層に、前記第1配線パターンを露出する第1ビアホールを形成し、
前記第7工程では、前記第3絶縁層上に、前記第1ビアホールを介して、前記第1配線パターンと電気的に接続する第2配線パターンを形成する請求項1記載の半導体装置内蔵基板の製造方法。 - 前記第1配線パターンを覆うように、更に絶縁層と配線パターンとを交互に形成する第9工程を有する請求項1又は2記載の半導体装置内蔵基板の製造方法。
- 前記第2配線パターンを覆うように、更に絶縁層と配線パターンとを交互に形成する第10工程を有する請求項1乃至3の何れか一項記載の半導体装置内蔵基板の製造方法。
- 前記第1工程は、前記半導体集積回路に形成された電極パッド上に、前記接続端子を形成する工程と、
前記接続端子を覆うように前記半導体集積回路上に前記第1絶縁層を形成する工程と、
前記第1絶縁層上に、前記第1絶縁層と対向する側の面が粗面とされた板状体を配設する工程と、
前記板状体の前記粗面を前記第1絶縁層に圧着することにより、前記接続端子の一部を前記第1絶縁層から露出させる工程と、
前記板状体を除去する工程と、を含む請求項1乃至4の何れか一項記載の半導体装置内蔵基板の製造方法。
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