JP2011044587A - 半導体パッケージの製造方法 - Google Patents
半導体パッケージの製造方法 Download PDFInfo
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- JP2011044587A JP2011044587A JP2009191844A JP2009191844A JP2011044587A JP 2011044587 A JP2011044587 A JP 2011044587A JP 2009191844 A JP2009191844 A JP 2009191844A JP 2009191844 A JP2009191844 A JP 2009191844A JP 2011044587 A JP2011044587 A JP 2011044587A
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Abstract
【解決手段】表面21aとその裏側の背面21bを有する感光性絶縁材21を準備する。次いで、感光性絶縁材21の表面21aに、表面に接続端子26を有するチップ27をその表面側で接着する。次いで、背面21b側から感光性絶縁材21を露光する。次いで、表面21a上のチップ27を樹脂封止し、モールド樹脂29を形成する。次いで、感光性絶縁材21を現像することによって、接続端子26に通ずるビア穴30を感光性絶縁材21に形成する。
【選択図】図10
Description
2 粘着材
3、3a、3b チップ
4 接続端子
5 モールド樹脂
6 絶縁膜
7 ビア穴
8 ビア
9、10、11 配線層
12、13 ビア
14、15 層間絶縁膜
16 ソルダレジスト層
21 感光性絶縁材
21a 表面(第1面)
21b 背面(第2面)
22 テープ(基材)
23 粘着材
24 治具
25 補強材
25a 開口部
26 接続端子
27 チップ
28 パターン
29 モールド樹脂
30 ビア穴(貫通穴)
31 ビア
32 配線層
33 層間絶縁層
34 配線層
35 層間絶縁層
36 配線層
37 ソルダレジスト層
38 配線構造
Claims (10)
- 以下の工程を含む半導体パッケージの製造方法:
(a)第1面とその裏側の第2面を有する感光性絶縁材を準備する工程;
(b)前記感光性絶縁材の前記第1面に、表面に接続端子を有する半導体チップを前記表面側で接着する工程;
(c)前記(b)工程後に、前記第2面側から前記感光性絶縁材を露光する工程;
(d)前記(c)工程後に、前記第1面上の前記半導体チップを樹脂封止する工程;
(e)前記(c)工程後に、前記感光性絶縁材を現像することによって、前記接続端子に通ずる貫通穴を前記感光性絶縁材に形成する工程。 - 請求項1記載の半導体パッケージの製造方法において、
前記(d)工程後に、前記(e)工程を行う。 - 以下の工程を更に含む請求項2記載の半導体パッケージの製造方法:
(f)前記(e)工程後に、前記接続端子と電気的に接続する導電性材を前記貫通孔に形成する工程;
(g)前記導電性材と電気的に接続する配線層を前記感光性絶縁材上に形成する工程。 - 請求項1、2または3記載の半導体パッケージの製造方法において、
前記(a)工程では、前記(c)工程で用いる露光光を透過する基材が前記第2面に接着された前記感光性絶縁材を準備し、
前記(c)工程では、前記基材を介して前記感光性絶縁材を露光し、
前記(e)工程の現像前に、前記基材を前記感光性絶縁材から分離する。 - 請求項3記載の半導体パッケージの製造方法において、
前記(b)工程では、環状の治具を前記感光性絶縁材の第1面に接着した後、前記治具の内側で前記半導体チップを前記感光性絶縁材の第1面に接着し、
前記(g)工程後に、前記治具を前記感光性絶縁材から分離する。 - 請求項3記載の半導体パッケージの製造方法において、
前記(b)工程では、環状の治具と、前記治具の内側に配置され、開口部を有する補強材とを前記感光性絶縁材の第1面に接着した後、前記開口部の内側で前記半導体チップを前記感光性絶縁材の第1面に接着し、
前記(d)工程では、前記半導体チップとともに前記補強材を樹脂封止し、
前記(g)工程後に、前記治具を前記感光性絶縁材から分離する。 - 請求項5または6記載の半導体パッケージの製造方法において、
前記(g)工程後に、前記感光性絶縁材に前記治具が接着した状態で、前記半導体チップの周囲を切断し、前記半導体チップを有する個片を形成した後、前記治具を前記感光性絶縁材から分離する。 - 請求項1〜7のいずれか一項に記載の半導体パッケージの製造方法において、
前記(b)工程では、前記感光性絶縁材の硬化温度より低い温度で、前記半導体チップを加熱しながら前記半導体チップを前記感光性絶縁材の第1面に接着する。 - 請求項1〜8のいずれか一項に記載の半導体パッケージの製造方法において、
前記接続端子は、前記半導体チップの表面から突起しており、
前記(b)工程では、前記接続端子を前記感光性絶縁材中にめり込ませる。 - 請求項1〜9のいずれか一項に記載の半導体パッケージの製造方法において、
前記(d)工程では、前記感光性絶縁材の硬化温度より低い温度で、前記半導体チップを樹脂封止する。
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