JP2008147548A - 半導体装置及び半導体装置の製造方法 - Google Patents
半導体装置及び半導体装置の製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 82
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000012535 impurity Substances 0.000 claims abstract description 70
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 60
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000009792 diffusion process Methods 0.000 claims abstract description 36
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 230000001629 suppression Effects 0.000 claims abstract description 22
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 22
- 150000002500 ions Chemical class 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 229910052732 germanium Inorganic materials 0.000 claims description 16
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 239000010410 layer Substances 0.000 description 184
- 239000010408 film Substances 0.000 description 26
- 229910052814 silicon oxide Inorganic materials 0.000 description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 14
- 229910052710 silicon Inorganic materials 0.000 description 14
- 239000010703 silicon Substances 0.000 description 14
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 229910052796 boron Inorganic materials 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 238000002955 isolation Methods 0.000 description 9
- 238000009826 distribution Methods 0.000 description 8
- 238000002513 implantation Methods 0.000 description 7
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 3
- PEUPIGGLJVUNEU-UHFFFAOYSA-N nickel silicon Chemical compound [Si].[Ni] PEUPIGGLJVUNEU-UHFFFAOYSA-N 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 210000003323 beak Anatomy 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910021334 nickel silicide Inorganic materials 0.000 description 2
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910000078 germane Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
【解決手段】半導体装置は、ゲート2と、エクステンション層4と、ソース・ドレイン層6と、シリサイド層8とを具備する。ゲート2は、n型の半導体基板1上にゲート絶縁膜3を介して設けられている。エクステンション層4は、前記ゲート2の両側面のサイドウォール5下部に設けられ、p型である。ソース・ドレイン層6は、エクステンション層4の外側に接して設けられ、p型である。シリサイド層8は、ソース・ドレイン層8の表面部分に設けられている。エクステンション層4は、エクステンション層4のp型の不純物の拡散を抑制する抑制元素を含む。シリサイド層8は、抑制元素を含まない。
【選択図】図2
Description
2、102 :ゲート
3、103 :ゲート絶縁膜
4、104 :エクステンション層
5、105 :サイドウォール
6、106 :ソース・ドレイン層
7、107 :シリサイド層
8、108 :シリサイド層
10、110:素子分離部
11、13:凹部
12、14:エピタキシャル成長層
20、120:半導体装置
Claims (11)
- n型の半導体基板又はウェル上にゲート絶縁膜を介して設けられたゲートと、
前記ゲートの両側面のサイドウォール下部に設けられたp型のエクステンション層と、
前記エクステンション層の外側に接して設けられたp型のソース・ドレイン層と、
前記ソース・ドレイン層の表面部分に設けられたシリサイド層と
を具備し、
前記エクステンション層は、前記エクステンション層のp型の不純物の拡散を抑制する抑制元素を含み
前記シリサイド層は、前記抑制元素を含まない
半導体装置。 - 請求項1に記載の半導体装置において、
前記抑制元素は、炭素(C)を含む
半導体装置。 - 請求項1又は2に記載の半導体装置において、
前記シリサイド層は、ニッケル(Ni)を含む
半導体装置。 - 請求項1乃至3のいずれか一項に記載の半導体装置において、
前記シリサイド層は、ゲルマニウム(Ge)を含む
半導体装置。 - 請求項1乃至4のいずれか一項に記載の半導体装置において、
前記シリサイド層は、p型不純物を含む
半導体装置。 - (a)n型の半導体基板又はウェル上にゲート絶縁膜を介して設けられたゲートをマスクとして、p型の不純物拡散を抑制する抑制元素を含むイオン及びp型不純物用のイオンをそれぞれ注入して、エクステンション層を形成する工程と、
(b)前記ゲート及び前記ゲートの両側面に設けられたサイドウォールをマスクとして、前記エクステンション層に、前記エクステンション層よりも深く、p型不純物用のイオンを注入して、ソース・ドレイン層を形成する工程と、
(c)前記ゲート及び前記サイドウォールをマスクとして、前記ソース・ドレイン層の上部を除去する工程と、
(d)前記除去された領域に、シリサイド層を形成する工程と、
を具備する
半導体装置の製造方法。 - 請求項6に記載の半導体装置の製造方法において、
前記抑制元素は、炭素(C)を含む
半導体装置の製造方法。 - 請求項6又は7に記載の半導体装置の製造方法において、
前記(d)工程は、
(d1)前記除去された領域に、エピタキシャル層を形成する工程と、
(d2)前記エピタキシャル層をシリサイド化する工程と
を備える
半導体装置の製造方法。 - 請求項8に記載の半導体装置の製造方法において、
前記エピタキシャル層は、ゲルマニウム(Ge)を含む
半導体装置の製造方法。 - 請求項8又は9に記載の半導体装置の製造方法において、
前記エピタキシャル層は、p型不純物を含む
半導体装置の製造方法。 - 請求項6乃至10のいずれか一項に記載の半導体装置の製造方法において、
前記シリサイド層は、ニッケル(Ni)を含む
半導体装置の製造方法。
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US11/954,835 US20080142885A1 (en) | 2006-12-13 | 2007-12-12 | Semiconductor device with improved source and drain and method of manufacturing the same |
CN200710199545XA CN101202305B (zh) | 2006-12-13 | 2007-12-13 | 具有改进的源极和漏极的半导体器件及其制造方法 |
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CN (1) | CN101202305B (ja) |
Cited By (4)
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JP2009049074A (ja) * | 2007-08-15 | 2009-03-05 | Fujitsu Microelectronics Ltd | 電界効果トランジスタ及び電界効果トランジスタの製造方法 |
US8154077B2 (en) | 2010-02-02 | 2012-04-10 | Kabushiki Kaisha Toshiba | Semiconductor device |
JP2014033201A (ja) * | 2012-07-31 | 2014-02-20 | Samsung Electronics Co Ltd | 半導体メモリ素子、および、その製造方法 |
JP2020031170A (ja) * | 2018-08-24 | 2020-02-27 | キオクシア株式会社 | 半導体装置 |
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US9466481B2 (en) | 2006-04-07 | 2016-10-11 | Sixpoint Materials, Inc. | Electronic device and epitaxial multilayer wafer of group III nitride semiconductor having specified dislocation density, oxygen/electron concentration, and active layer thickness |
JP5235486B2 (ja) * | 2008-05-07 | 2013-07-10 | パナソニック株式会社 | 半導体装置 |
CN101937931B (zh) * | 2010-08-31 | 2012-10-10 | 清华大学 | 高性能场效应晶体管及其形成方法 |
CN104576384A (zh) * | 2013-10-14 | 2015-04-29 | 中国科学院微电子研究所 | 一种finfet结构及其制造方法 |
CN105206533A (zh) * | 2015-10-19 | 2015-12-30 | 上海华力微电子有限公司 | 抑制热载流子注入的方法 |
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Citations (2)
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JPH10125916A (ja) * | 1996-10-24 | 1998-05-15 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
JP2006278776A (ja) * | 2005-03-29 | 2006-10-12 | Fujitsu Ltd | pチャネルMOSトランジスタ、半導体集積回路装置およびその製造方法 |
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JP2005136351A (ja) * | 2003-10-31 | 2005-05-26 | Fujitsu Ltd | 半導体装置及びその製造方法 |
JP3998665B2 (ja) * | 2004-06-16 | 2007-10-31 | 株式会社ルネサステクノロジ | 半導体装置およびその製造方法 |
US8207523B2 (en) * | 2006-04-26 | 2012-06-26 | United Microelectronics Corp. | Metal oxide semiconductor field effect transistor with strained source/drain extension layer |
-
2006
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2007
- 2007-12-12 US US11/954,835 patent/US20080142885A1/en not_active Abandoned
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JPH10125916A (ja) * | 1996-10-24 | 1998-05-15 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
JP2006278776A (ja) * | 2005-03-29 | 2006-10-12 | Fujitsu Ltd | pチャネルMOSトランジスタ、半導体集積回路装置およびその製造方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009049074A (ja) * | 2007-08-15 | 2009-03-05 | Fujitsu Microelectronics Ltd | 電界効果トランジスタ及び電界効果トランジスタの製造方法 |
US8154077B2 (en) | 2010-02-02 | 2012-04-10 | Kabushiki Kaisha Toshiba | Semiconductor device |
JP2014033201A (ja) * | 2012-07-31 | 2014-02-20 | Samsung Electronics Co Ltd | 半導体メモリ素子、および、その製造方法 |
US10109747B2 (en) | 2012-07-31 | 2018-10-23 | Samsung Electronics Co., Ltd. | Semiconductor memory devices and methods of fabricating the same |
JP2020031170A (ja) * | 2018-08-24 | 2020-02-27 | キオクシア株式会社 | 半導体装置 |
JP7150524B2 (ja) | 2018-08-24 | 2022-10-11 | キオクシア株式会社 | 半導体装置 |
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CN101202305A (zh) | 2008-06-18 |
US20080142885A1 (en) | 2008-06-19 |
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