JP5160498B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP5160498B2 JP5160498B2 JP2009121857A JP2009121857A JP5160498B2 JP 5160498 B2 JP5160498 B2 JP 5160498B2 JP 2009121857 A JP2009121857 A JP 2009121857A JP 2009121857 A JP2009121857 A JP 2009121857A JP 5160498 B2 JP5160498 B2 JP 5160498B2
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- bonding
- bonding pad
- protective film
- region
- film
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Description
本実施の形態1によるワイヤボンディング接続を採用したフェースアップボンディング構造のBGA(Ball Grid Array)型半導体装置について図1〜図4を用いて説明する。図1はワイヤボンディング接続を採用したBGA型半導体装置の構成を示す平面図、図2はワイヤボンディング接続を採用したBGA型半導体装置の構成を示す断面図、図3はボンディングパッドを拡大して示す要部平面図、図4はボンディングパッドの一部を拡大して示す要部断面図(図3のI−I′線に沿った断面図)である。
本実施の形態2は、前述した実施の形態1によるボンディングパッドBP1の変形例であり、ボンディングパッドおよび開口部の形状、ならびにボンディングパッドの配置が前述した実施の形態1で説明したものと異なる。本実施の形態2によるボンディングパッドの形状および配置を図7および図8を用いて説明する。図7はボンディングパッドを拡大して示す要部平面図、図8はボンディングパッドの一部を拡大して示す要部断面図(図7のII−II′線に沿った断面図)である。
近年、前述の図2に示したように、半導体チップ3が搭載される配線基板2または半導体チップ3を封止する樹脂封止体10を構成する樹脂部材(レジン材)に、環境保護および環境負荷物質の低減の観点からハロゲンフリー部材が使用されるようになってきている。具体的には、電気・電子機器の廃棄物の収集および回収が規定され、さらに、分別回収された廃棄物から除外すべき物質に臭素系難燃剤を含有するプラスチックがWEEE(Waste Electrical and Electronic Equipment)指令によって規定されている。このため、配線基板2または樹脂封止体10を構成する樹脂部材(レジン材)に対して、ハロゲンフリー部材を使用する要求が拡大している。配線基板2に使用するハロゲンフリー部材とは、塩素の含有率が0.09重量%以下で、臭素の含有率が0.09重量%以下であり、かつ、塩素と臭素の総量が0.15重量%以下である材料である。また、樹脂封止体10を構成する樹脂部材(レジン材)に使用するハロゲンフリー部材とは、塩素の含有率が0.09重量%以下で、臭素の含有率が0.09重量%以下であり、かつ、アンチモンの含有率が0.09重量%以下である材料である。つまり、配線基板2および樹脂封止体10を構成する樹脂部材(レジン材)にハロゲンフリー部材を使用した場合は、前述のWEEE指令によって規定されている材料を使用していることになる。
本実施の形態4は、電源用ボンディングパッドにおいて生じる保護膜のクラックを防止することのできる電源用ボンディングパッドおよび開口部の形状について説明する。
2 配線基板
2x 主面
2y 裏面
3 半導体チップ
3a パッド領域
3b コア領域
4 半田ボール
5 保護膜
5a 酸化シリコン膜
5b 窒化シリコン膜
6,6a 開口部
7 ボンディングリード
8 裏面電極パッド
9B バンプ
9W ボンディングワイヤ
10 樹脂封止体
11 反射防止膜
12 開口部
13 保護膜
13a 第1絶縁膜
13b 第2絶縁膜
13c 第3絶縁膜
14 スリット
51 保護膜
51a 酸化シリコン膜
51b 窒化シリコン膜
52 窒化チタン膜
53 クラック
54 金属ボール
55 開口部
56 保護膜
57 クラック
B1 ボンディングパッド
B1p プローブ領域
B1w ワイヤボンディング領域
BP1,BP2,BP3 ボンディングパッド
BP1p,BP2p,BP3p,BP4p プローブ領域
BP1w,BP2w,BP3w,BP4w ワイヤボンディング領域
VB 電源用ボンディングパッド
VBp プローブ領域
VBw ワイヤボンディング領域
VBP1,VBP2 電源用ボンディングパッド
Claims (1)
- ボンディング領域とプローブ領域とが区分された長方形状の複数のボンディングパッドが配置された主面と、前記主面とは反対側の裏面と、を有する四角形の半導体チップを搭載する半導体装置であって、
前記半導体チップは、前記ボンディングパッドの上層に保護膜を有し、
前記保護膜は、前記ボンディングパッドの周縁部を覆い、前記ボンディングパッドの上面が露出するように開口されており、
前記ボンディング領域における前記ボンディングパッドの周縁部と前記保護膜との重なり幅が、前記プローブ領域における前記ボンディングパッドの周縁部と前記保護膜との重なり幅よりも広いことを特徴とする半導体装置。
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JP2009121857A JP5160498B2 (ja) | 2009-05-20 | 2009-05-20 | 半導体装置 |
TW106121861A TWI646644B (zh) | 2009-05-20 | 2010-04-20 | Semiconductor device |
TW099112370A TWI548051B (zh) | 2009-05-20 | 2010-04-20 | Semiconductor device |
TW105120867A TWI596724B (zh) | 2009-05-20 | 2010-04-20 | Semiconductor device |
CN201010176519.7A CN101894816B (zh) | 2009-05-20 | 2010-05-10 | 半导体器件 |
CN201610424138.3A CN106024744A (zh) | 2009-05-20 | 2010-05-10 | 半导体器件 |
CN201410184793.7A CN103943580A (zh) | 2009-05-20 | 2010-05-10 | 半导体器件 |
US12/778,123 US8946705B2 (en) | 2009-05-20 | 2010-05-12 | Semiconductor device |
US14/589,547 US20150137125A1 (en) | 2009-05-20 | 2015-01-05 | Semiconductor device |
US15/280,618 US9824944B2 (en) | 2009-05-20 | 2016-09-29 | Semiconductor device |
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US20100295043A1 (en) | 2010-11-25 |
US9824944B2 (en) | 2017-11-21 |
US20150137125A1 (en) | 2015-05-21 |
US8946705B2 (en) | 2015-02-03 |
US20170018470A1 (en) | 2017-01-19 |
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CN101894816B (zh) | 2014-06-11 |
TWI548051B (zh) | 2016-09-01 |
TWI596724B (zh) | 2017-08-21 |
CN101894816A (zh) | 2010-11-24 |
TW201637161A (zh) | 2016-10-16 |
TW201733061A (zh) | 2017-09-16 |
US10163740B2 (en) | 2018-12-25 |
CN103943580A (zh) | 2014-07-23 |
US20180040521A1 (en) | 2018-02-08 |
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CN106024744A (zh) | 2016-10-12 |
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