JP5007250B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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Description
本実施の形態における半導体装置は、CSP(Chip Size Package)構造の半導体装置であり、その製造のためにWPP技術を用いたものである。CSPは、半導体チップのサイズと同等またはわずかに大きいパッケージの総称であり、小型化・軽量化を実現できる上、内部の配線長を短くすることができるので、信号遅延や雑音等を低減できる。まず、本実施の形態における半導体装置の特徴的な構造について、図1〜図3を参照して説明する。
前記実施の形態1では、ショット領域の複数のチップ領域の全てに、内部回路の引き回し配線となる本体パターンおよびフローティングされているダミーパターンから構成される再配線が形成される場合について説明した。本実施の形態では、ショット領域の複数のチップ領域の一部に、本体パターンおよびダミーパターンから構成される再配線が形成される場合について説明する。なお、前記実施の形態と重複する説明は省略する。
1S 半導体基板
1W 半導体ウエハ
2 本体パターン(第1パターン)
2a ランド電極
2g 粒
2p 本体処理パターン(第1処理パターン)
3 ダミーパターン(第2パターン)
3a ダミーランド電極
3p ダミー処理パターン(第2処理パターン)
4 ダミーパターン(第3パターン)
4a ダミーランド電極
21 素子分離領域
22 p型ウェル
23 n型ウェル
24 ゲート絶縁膜
25a ゲート電極
25b ゲート電極
26 サイドウォール
27a 低濃度n型不純物拡散領域
27b 低濃度p型不純物拡散領域
28a 高濃度n型不純物拡散領域
28b 高濃度p型不純物拡散領域
29 酸化シリコン膜
30 プラグ
31 酸化シリコン膜
32 第1層配線
33 酸化シリコン膜
34 プラグ
35 酸化シリコン膜
36 第2層配線
37a 窒化シリコン膜
37b 酸化シリコン膜
38a 窒化シリコン膜
38b 酸化シリコン膜
39 第3層配線
40 第4層配線
41 キャップ絶縁膜
42 酸化シリコン膜
43 プラグ
44 第5層配線
45 酸化シリコン膜
46 窒化シリコン膜(無機系絶縁膜、第1絶縁膜)
47 フォトレジスト膜
48 開口部
49 ポリイミド樹脂膜(第1有機系絶縁膜、第2絶縁膜)
50 開口部(第1開口部)
51 バリア層
52 シード層
53 フォトレジスト膜
54、54a、54b 開口部
55 銅膜
56 ニッケル膜
57 再配線
58 ポリイミド樹脂膜(第2有機系絶縁膜、第3絶縁膜)
59 開口部(第2開口部)
60 バンプ電極
80 中心領域(第1領域)
90 周辺領域(第2領域)
Q1 nチャネル型MISFET
Q2 pチャネル型MISFET
ST ショット領域
Claims (1)
- (a)半導体基板上に多層配線を形成した後、前記多層配線を覆うように前記半導体基板上に第1絶縁膜を形成する工程、
(b)前記第1絶縁膜上に第2絶縁膜を形成する工程、
(c)前記多層配線の最上配線の一部上の前記第1絶縁膜および前記第2絶縁膜に、前記最上配線の一部を露出する第1開口部を形成する工程、
(d)電解メッキ法を用いて、前記第1開口部の内部を埋め込むように前記第2絶縁膜上に第1パターンを構成する再配線を形成すると共に、前記第1パターンとは電気的に分離されるように前記第2絶縁膜上に第2パターンを構成する前記再配線を形成する工程、
(e)前記再配線を覆うように前記半導体基板上に第3絶縁膜を形成した後、前記第1パターンの一部上であって、前記第1パターンの一部を露出する第2開口部を前記第3絶縁膜に形成する工程、
を含み、
前記工程(d)では、前記第1パターンと前記第2パターンとが前記半導体基板の面内で混在するように前記再配線を形成し、
(f)前記工程(d)前に、計算機を用いた自動設計によって、前記第1パターンおよび前記第2パターンを前記半導体基板の面内で位置決めする工程、
を更に含み、
前記工程(f)は、
(f1)前記半導体基板の面内に前記第1パターンを配置した第1処理パターンを形成する工程、
(f2)前記半導体基板の全面に前記第2パターンを配置した第2処理パターンを形成する工程、
(f3)前記第1処理パターンと前記第2処理パターンを合成する工程、
(f4)前記工程(f3)の後、前記第1パターンから一定の間隔内にある前記第2パターンを算出し、削除する工程、
を含むことを特徴とする半導体装置の製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008033012A JP5007250B2 (ja) | 2008-02-14 | 2008-02-14 | 半導体装置の製造方法 |
TW097144932A TWI456714B (zh) | 2008-02-14 | 2008-11-20 | 半導體裝置及半導體裝置之製造方法 |
CN200810186572.8A CN101510536B (zh) | 2008-02-14 | 2008-12-25 | 半导体装置及半导体装置的制造方法 |
US12/352,591 US7812456B2 (en) | 2008-02-14 | 2009-01-12 | Semiconductor device and a method of manufacturing the same |
US12/883,278 US8274157B2 (en) | 2008-02-14 | 2010-09-16 | Semiconductor device and a method of manufacturing the same |
US13/607,766 US8558391B2 (en) | 2008-02-14 | 2012-09-09 | Semiconductor device and a method of manufacturing the same |
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US11094636B2 (en) | 2019-05-21 | 2021-08-17 | Samsung Electronics Co., Ltd. | Semiconductor package and method of manufacturing the semiconductor package |
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TW200941664A (en) | 2009-10-01 |
CN101510536B (zh) | 2012-07-18 |
CN101510536A (zh) | 2009-08-19 |
US20110001236A1 (en) | 2011-01-06 |
US8558391B2 (en) | 2013-10-15 |
US8274157B2 (en) | 2012-09-25 |
US7812456B2 (en) | 2010-10-12 |
TWI456714B (zh) | 2014-10-11 |
JP2009194144A (ja) | 2009-08-27 |
US20130001772A1 (en) | 2013-01-03 |
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