JP6034747B2 - 半導体装置およびその製造方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims description 71
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 49
- 239000002184 metal Substances 0.000 claims description 49
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 27
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 17
- 229910052801 chlorine Inorganic materials 0.000 claims description 17
- 239000000460 chlorine Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 12
- 229910052697 platinum Inorganic materials 0.000 claims description 12
- 230000033116 oxidation-reduction process Effects 0.000 claims description 11
- 238000001312 dry etching Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 17
- 238000005530 etching Methods 0.000 description 14
- 239000010931 gold Substances 0.000 description 14
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 8
- 229910052737 gold Inorganic materials 0.000 description 8
- 229910052759 nickel Inorganic materials 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 239000010936 titanium Substances 0.000 description 5
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 4
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000001020 plasma etching Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- BYDQGSVXQDOSJJ-UHFFFAOYSA-N [Ge].[Au] Chemical compound [Ge].[Au] BYDQGSVXQDOSJJ-UHFFFAOYSA-N 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000000682 scanning probe acoustic microscopy Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
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- H01L2224/051—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
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Description
図2は、実施形態に係る半導体装置1の製造過程を表すフローチャートである。
図3(a)〜図4(c)は、実施形態に係る半導体装置の製造過程を表す模式断面図である。また、図3(a)〜図4(c)は、図2に示すステップ01〜06に対応し、各ステップおけるウェーハの部分断面を表している。
図5(a)は、IB−IB線に沿った断面(図1参照)を表している。図5(b)は、図5(a)に示す部分Aの拡大図であり、パッド電極10と導電層30との間の接続構造を表している。
Claims (7)
- 第1の面と、前記第1の面とは反対側の第2の面と、を有し、塩素を含むガスによりエッチングされる材料からなる半導体層と、
前記第1の面の上に設けられ、イオン化傾向において標準酸化還元電位が0(ゼロ)V以上の金属のみで構成された中間層と、
前記中間層の上に設けられた電極と、
前記第2の面から前記中間層に連通し、前記塩素を含むガスによりドライエッチングされたバイアホールの内面を覆う導電層であって、前記バイアホールの底面に露出した前記中間層を介して前記電極に電気的に接続された導電層と、
を備えた半導体装置。 - 前記中間層は、白金を含むことを特徴とする請求項1記載の半導体装置。
- 前記中間層は、イオン化傾向において標準酸化還元電位が0(ゼロ)V以上の金属層と、前記イオン化傾向において標準酸化還元電位が0(ゼロ)V以上の金属と前記半導体層が反応した反応層と、を含み、
前記導電層は、前記反応層に接する請求項1記載の半導体装置。 - 前記中間層は、白金層と、前記白金層と前記半導体層が反応した反応層と、を含み、
前記導電層は、前記反応層に接する請求項3記載の半導体装置。 - 前記電極に電気的に接続された機能部をさらに備え、
前記中間層は、前記機能部から離間して設けられる請求項1〜4のいずれか1つに記載の半導体装置。 - ドライエッチングを用いて形成されたバイアホールを有する半導体層と、
前記半導体層の第1の面の上に設けられた電極と、
前記第1の面とは反対側の第2の面に設けられ、前記バイアホールを介して前記電極に電気的に接続された導電層と、
を備えた半導体装置の製造方法であって、
前記第1の面上に、前記ドライエッチングのイオン化傾向において標準酸化還元電位が0(ゼロ)V以上の金属層を形成する工程と、
前記金属層と前記半導体層とを熱処理し反応層を形成する工程と、
前記金属層の上に前記電極を形成する工程と、
塩素を含むガスを用いたドライエッチングにより前記第2の面側から前記電極の方向に前記バイアホールを形成し、前記反応層および前記金属層の少なくともいずれか一方を第2の面側に露出させる工程と、
前記バイアホールの内面を覆う前記導電層を形成する工程と、
を備えた半導体装置の製造方法。 - 前記金属層は白金層である請求項6記載の半導体装置の製造方法。
Priority Applications (8)
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JP2013109204A JP6034747B2 (ja) | 2013-02-21 | 2013-05-23 | 半導体装置およびその製造方法 |
TW102132194A TWI570868B (zh) | 2013-02-21 | 2013-09-06 | Semiconductor device and manufacturing method thereof |
EP13183600.9A EP2770529B1 (en) | 2013-02-21 | 2013-09-09 | Semiconductor device and method for manufacturing the same |
KR1020130107658A KR20140104887A (ko) | 2013-02-21 | 2013-09-09 | 반도체 장치 및 그 제조 방법 |
US14/021,002 US20140231997A1 (en) | 2013-02-21 | 2013-09-09 | Semiconductor device and method for manufacturing the same |
CN201310409945.4A CN104009017A (zh) | 2013-02-21 | 2013-09-10 | 半导体装置及其制造方法 |
US14/822,224 US9269619B2 (en) | 2013-02-21 | 2015-08-10 | Semiconductor device and method for manufacturing the same |
KR1020150112918A KR20150099493A (ko) | 2013-02-21 | 2015-08-11 | 반도체 장치 및 그 제조 방법 |
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JP2013109204A JP6034747B2 (ja) | 2013-02-21 | 2013-05-23 | 半導体装置およびその製造方法 |
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JP6034747B2 true JP6034747B2 (ja) | 2016-11-30 |
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EP (1) | EP2770529B1 (ja) |
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JP5298559B2 (ja) * | 2007-06-29 | 2013-09-25 | 富士通株式会社 | 半導体装置及びその製造方法 |
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US8343806B2 (en) * | 2009-03-05 | 2013-01-01 | Raytheon Company | Hermetic packaging of integrated circuit components |
CN102282656B (zh) * | 2009-11-12 | 2014-10-08 | 松下电器产业株式会社 | 半导体装置及半导体装置的制造方法 |
JP5318051B2 (ja) | 2010-09-08 | 2013-10-16 | 株式会社東芝 | 半導体装置 |
JP5700502B2 (ja) * | 2010-07-28 | 2015-04-15 | 住友電工デバイス・イノベーション株式会社 | 半導体装置及び製造方法 |
TWI441347B (zh) * | 2010-12-01 | 2014-06-11 | Ind Tech Res Inst | 太陽能電池 |
JP5958732B2 (ja) * | 2011-03-11 | 2016-08-02 | ソニー株式会社 | 半導体装置、製造方法、および電子機器 |
CN103477450A (zh) * | 2011-04-21 | 2013-12-25 | 应用材料公司 | 在太阳能电池基板中形成p-n结的方法 |
-
2013
- 2013-05-23 JP JP2013109204A patent/JP6034747B2/ja active Active
- 2013-09-06 TW TW102132194A patent/TWI570868B/zh active
- 2013-09-09 EP EP13183600.9A patent/EP2770529B1/en active Active
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- 2013-09-09 US US14/021,002 patent/US20140231997A1/en not_active Abandoned
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2015
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TWI570868B (zh) | 2017-02-11 |
CN104009017A (zh) | 2014-08-27 |
KR20150099493A (ko) | 2015-08-31 |
JP2014187342A (ja) | 2014-10-02 |
US20150348841A1 (en) | 2015-12-03 |
KR20140104887A (ko) | 2014-08-29 |
US9269619B2 (en) | 2016-02-23 |
TW201434126A (zh) | 2014-09-01 |
EP2770529A3 (en) | 2016-07-27 |
EP2770529B1 (en) | 2020-02-12 |
US20140231997A1 (en) | 2014-08-21 |
EP2770529A2 (en) | 2014-08-27 |
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