JP5909980B2 - 半導体装置及びその製造方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims description 42
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000011347 resin Substances 0.000 claims description 36
- 229920005989 resin Polymers 0.000 claims description 36
- 239000000758 substrate Substances 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 238000005530 etching Methods 0.000 claims description 2
- 229910052741 iridium Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052762 osmium Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- 238000000059 patterning Methods 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 35
- 239000012535 impurity Substances 0.000 description 12
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Description
図1は、本発明の実施の形態1に係る半導体装置を示す断面図である。GaAs基板1上に下層配線2が設けられている。下層配線2は、Ti膜2aと、その上に設けられたAu膜2bとを有する。GaAs基板1及び下層配線2上にSiN膜3及び樹脂膜4が設けられている。SiN膜3及び樹脂膜4は、下層配線2上に開口5を有する。
図3は、本発明の実施の形態2に係る半導体装置を示す断面図である。金属パッド12が開口10を介して上層配線8に接続されている。金属パッド12はAu膜である。その他の構成は実施の形態1と同様である。
図5は、本発明の実施の形態3に係る半導体装置を示す断面図である。GaAs基板1の裏面に裏面パッド13が設けられている。裏面パッド13は、GaAs基板1を貫通するバイアホール14を介して下層配線2に接続されている。SiN膜9は開口を有しない。その他の構成は実施の形態1と同様である。
図6から図10は、本発明の実施の形態4に係る半導体装置の製造工程を示す断面図である。これらの図を参照して本実施の形態に係る半導体装置の製造方法を説明する。
2 下層配線
4 樹脂膜
5 開口(第1の開口)
6 SiN膜(第1のSiN膜)
7 開口(第2の開口)
8 上層配線
8a Ti膜
8b Au膜
9 SiN膜(第2のSiN膜)
10 開口(第3の開口)
12 金属パッド
12a Ti膜(パッドTi膜)
12b Au膜(パッドAu膜)
12c Pt膜(パッド金属膜)
13 裏面パッド
14 バイアホール
Claims (6)
- 半導体基板と、
前記半導体基板上に設けられた下層配線と、
前記半導体基板及び前記下層配線上に設けられ、前記下層配線上に第1の開口を有する樹脂膜と、
前記下層配線及び前記樹脂膜上に設けられ、前記第1の開口内に第2の開口を有する第1のSiN膜と、
前記下層配線及び前記樹脂膜の一部上に設けられた上層配線と、
前記上層配線及び前記樹脂膜上に設けられ、前記樹脂膜上において前記第1のSiN膜に付着した第2のSiN膜とを備え、
前記上層配線は、前記第1及び第2の開口を介して前記下層配線に接続されたTi膜と、前記Ti膜上に設けられたAu膜とを有し、
前記第1の開口内において、前記第1のSiN膜は、前記樹脂膜の側面と前記Ti膜の側面の間、及び、前記Ti膜の下面の一部と前記下層配線との間に配置され、
前記第1及び第2のSiN膜は前記Ti膜の周囲を保護することを特徴とする半導体装置。 - 前記第2のSiN膜は、前記上層配線上に第3の開口を有し、
前記第3の開口を介して前記上層配線に接続された金属パッドを更に備えることを特徴とする請求項1に記載の半導体装置。 - 前記金属パッドはパッドAu膜を有することを特徴とする請求項2に記載の半導体装置。
- 前記金属パッドは、
前記上層配線に接続されたパッドTi膜と、
前記パッドTi膜と前記パッドAu膜との間に設けられ、Pt,Pd,Ru,Ta,Ni,Mo,Rh,Os,Irの何れかからなるパッド金属膜とを更に有することを特徴とする請求項3に記載の半導体装置。 - 前記半導体基板の裏面に設けられ、前記半導体基板を貫通するバイアホールを介して前記下層配線に接続された裏面パッドを更に備え、
前記第2のSiN膜は開口を有しないことを特徴とする請求項1に記載の半導体装置。 - 半導体基板上に下層配線を形成する工程と、
前記半導体基板及び前記下層配線上に樹脂膜を形成し、前記下層配線上において前記樹脂膜に第1の開口を形成する工程と、
前記下層配線及び前記樹脂膜上に第1のSiN膜を形成し、前記第1の開口内において前記第1のSiN膜に第2の開口を形成する工程と、
前記下層配線及び前記樹脂膜上に上層配線を形成する工程と、
異方性エッチングにより前記上層配線及び前記第1のSiN膜をパターニングする工程と、
パターニングした前記上層配線及び前記樹脂膜上に第2のSiN膜を形成する工程とを備え、
前記上層配線は、前記第1及び第2の開口を介して前記下層配線に接続されたTi膜と、前記Ti膜上に設けられたAu膜とを有し、
前記第1の開口内において、前記第1のSiN膜は、前記樹脂膜の側面と前記Ti膜の側面の間、及び、前記Ti膜の下面の一部と前記下層配線との間に配置され、
前記第1及び第2のSiN膜は前記Ti膜の周囲を保護することを特徴とする半導体装置の製造方法。
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JP2011224521A JP5909980B2 (ja) | 2011-10-12 | 2011-10-12 | 半導体装置及びその製造方法 |
TW101121468A TWI463618B (zh) | 2011-10-12 | 2012-06-15 | 半導體裝置及其製造方法 |
US13/525,433 US8766445B2 (en) | 2011-10-12 | 2012-06-18 | Semiconductor device |
KR1020120102039A KR101392420B1 (ko) | 2011-10-12 | 2012-09-14 | 반도체장치 및 그 제조방법 |
CN201210383347.XA CN103050460B (zh) | 2011-10-12 | 2012-10-11 | 半导体装置及其制造方法 |
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US10249583B1 (en) * | 2017-09-19 | 2019-04-02 | Infineon Technologies Ag | Semiconductor die bond pad with insulating separator |
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JPS59167058A (ja) * | 1983-03-11 | 1984-09-20 | Fujitsu Ltd | 半導体装置 |
JPH079935B2 (ja) * | 1986-08-13 | 1995-02-01 | 日本電気株式会社 | 半導体装置 |
JPS63204742A (ja) | 1987-02-20 | 1988-08-24 | Sharp Corp | 半導体装置の製造方法 |
JP2703773B2 (ja) * | 1988-04-14 | 1998-01-26 | シャープ株式会社 | 半導体装置の製造方法 |
JP3297220B2 (ja) * | 1993-10-29 | 2002-07-02 | 株式会社東芝 | 半導体装置の製造方法および半導体装置 |
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JP2001250861A (ja) | 2000-03-03 | 2001-09-14 | Nec Corp | 半導体装置および半導体装置の製造方法 |
JP4979154B2 (ja) | 2000-06-07 | 2012-07-18 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US6798064B1 (en) | 2000-07-12 | 2004-09-28 | Motorola, Inc. | Electronic component and method of manufacture |
JP4041660B2 (ja) * | 2001-05-31 | 2008-01-30 | ユーディナデバイス株式会社 | 半導体装置及びその製造方法 |
JP3584928B2 (ja) * | 2002-01-16 | 2004-11-04 | セイコーエプソン株式会社 | 半導体装置 |
JP2003309130A (ja) | 2002-04-17 | 2003-10-31 | Sanyo Electric Co Ltd | 半導体スイッチ回路装置 |
JP2004134450A (ja) * | 2002-10-08 | 2004-04-30 | Fujitsu Ltd | 半導体集積回路 |
JP4673557B2 (ja) * | 2004-01-19 | 2011-04-20 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
JP2006147812A (ja) * | 2004-10-18 | 2006-06-08 | Ricoh Co Ltd | 積層薄膜電気配線板 |
JP2005117067A (ja) * | 2005-01-13 | 2005-04-28 | Rohm Co Ltd | 半導体装置 |
JP5535475B2 (ja) * | 2008-12-26 | 2014-07-02 | 住友電工デバイス・イノベーション株式会社 | 半導体装置 |
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TW201316466A (zh) | 2013-04-16 |
KR101392420B1 (ko) | 2014-05-07 |
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US8766445B2 (en) | 2014-07-01 |
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