JP5698847B2 - 半導体素子の製造方法 - Google Patents
半導体素子の製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 40
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 78
- 229920005591 polysilicon Polymers 0.000 claims description 78
- 229910052751 metal Inorganic materials 0.000 claims description 63
- 239000002184 metal Substances 0.000 claims description 63
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 61
- 229910052710 silicon Inorganic materials 0.000 claims description 54
- 239000010703 silicon Substances 0.000 claims description 51
- 239000000758 substrate Substances 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 41
- 229910021332 silicide Inorganic materials 0.000 claims description 35
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 33
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 30
- 239000011810 insulating material Substances 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 125000004429 atom Chemical group 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 2
- 238000003860 storage Methods 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 9
- 230000005641 tunneling Effects 0.000 description 9
- 239000012686 silicon precursor Substances 0.000 description 8
- 229910019001 CoSi Inorganic materials 0.000 description 6
- 229910008484 TiSi Inorganic materials 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 229910005883 NiSi Inorganic materials 0.000 description 3
- 229910005881 NiSi 2 Inorganic materials 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
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- H01L29/4975—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a composite material, e.g. organic material, TiN, MoSi2 being a silicide layer, e.g. TiSi2
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Description
Claims (12)
- ポリシリコンパターンが形成された基板上に前記ポリシリコンパターンが露出するように絶縁層を形成する工程と,
水素基を含む溶液を使用して前記基板上に露出された絶縁層及びポリシリコンパターン上に水素原子をボンディングさせる前処理工程と,
前記ポリシリコンパターン上にボンディングされた水素原子を選択的にシリコン原子に代替することにより,前記露出したポリシリコンパターン上にシリコンシード層を形成する工程と,
前記シリコンシード層が形成された前記基板を覆うように金属層を形成する工程;及び
前記金属層が形成された前記基板を熱処理して前記ポリシリコンパターン上に金属シリサイド層を形成する工程と,を含む半導体素子の製造方法。 - 前記金属シリサイド層は,前記金属層に含まれた金属原子と前記シリコンシード層に含まれたシリコン原子が結合して形成されることを特徴とする請求項1記載の半導体素子の製造方法。
- 前記絶縁層を形成する工程は,前記ポリシリコンパターンの側面上部が露出するように前記絶縁物質を一部除去することを特徴とする請求項1記載の半導体素子の製造方法。
- 前記水素基を含む溶液は,HF溶液,DHF溶液及びBOE溶液を含む群から選択された一つ以上の溶液であることを特徴とする請求項1記載の半導体素子の製造方法。
- 前記絶縁層を形成する工程は,基板上にポリシリコンパターンを形成する工程と,
前記ポリシリコンパターンを覆うように前記基板上に絶縁物質を形成する工程と,
前記ポリシリコンパターンが露出するように前記絶縁物質を一部除去する工程と,
を含むことを特徴とする請求項1記載の半導体素子の製造方法。 - 前記シリコンシード層を形成する工程は,前記基板が装着されたチェンバーの内部にSiH4,Si2H,Si3H8及びSi4H10を含む群から選択された一つ以上のソースガスを供給することを特徴とする請求項1記載の半導体素子の製造方法。
- 前記シリコンシード層を形成する工程は,前記基板の温度を500℃乃至650℃に維持することを特徴とする請求項6記載の半導体素子の製造方法。
- 前記シリコンシード層を形成する工程は,前記チェンバー内部の圧力を5Torr乃至20Torrに維持することを特徴とする請求項6記載の半導体素子の製造方法。
- 前記金属層は,Ti,Co及びNiを含む群から選択された一つ以上の金属であることを特徴とする請求項1記載の半導体素子の製造方法。
- 前記金属シリサイド層を形成する工程の後に,残留した前記金属層を除去する工程を更に含むことを特徴とする請求項1記載の半導体素子の製造方法。
- 前記絶縁層は,酸化物又は窒化物で形成されることを特徴とする請求項1記載の半導体素子の製造方法。
- 前記シリコンシード層を形成する工程は,水素と酸素又は水素と窒素との間のボンディングエネルギーと,水素とシリコンとの間のボンディングエネルギーの差を利用して前記露出されたポリシリコンパターン上に選択的に前記シリコンシード層を形成することを特徴とする請求項1記載の半導体素子の製造方法。
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Application Number | Priority Date | Filing Date | Title |
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KR10-2010-0086963 | 2010-09-06 | ||
KR1020100086963A KR20120024199A (ko) | 2010-09-06 | 2010-09-06 | 반도체 소자의 제조 방법 |
PCT/KR2011/006389 WO2012033299A2 (ko) | 2010-09-06 | 2011-08-30 | 반도체 소자의 제조 방법 |
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JP2013546158A JP2013546158A (ja) | 2013-12-26 |
JP5698847B2 true JP5698847B2 (ja) | 2015-04-08 |
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JP2013525842A Expired - Fee Related JP5698847B2 (ja) | 2010-09-06 | 2011-08-30 | 半導体素子の製造方法 |
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US (1) | US8937012B2 (ja) |
JP (1) | JP5698847B2 (ja) |
KR (1) | KR20120024199A (ja) |
CN (1) | CN103081064B (ja) |
WO (1) | WO2012033299A2 (ja) |
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WO2018063302A1 (en) * | 2016-09-30 | 2018-04-05 | Intel Corporation | Backside source/drain replacement for semiconductor devices with metallization on both sides |
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JPH08339996A (ja) * | 1995-06-12 | 1996-12-24 | Toshiba Corp | 半導体装置の製造方法 |
KR100272653B1 (ko) * | 1996-12-10 | 2000-12-01 | 김영환 | 반도체 소자의 제조방법 |
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JP3033518B2 (ja) * | 1997-04-21 | 2000-04-17 | 日本電気株式会社 | 半導体装置の製造方法 |
JP2000156350A (ja) * | 1998-11-19 | 2000-06-06 | Sony Corp | バッチ式縦型HSG−Si形成装置 |
KR100379107B1 (ko) * | 2001-03-21 | 2003-04-07 | 삼성전자주식회사 | 반도체 장치에서 폴리사이드 구조물의 형성 방법 |
JP2003007869A (ja) * | 2001-06-26 | 2003-01-10 | Fujitsu Ltd | 半導体装置及びその製造方法 |
KR20040001455A (ko) * | 2002-06-28 | 2004-01-07 | 주식회사 하이닉스반도체 | 선택적 성장법을 이용한 반도체소자의 제조방법 |
KR100493047B1 (ko) * | 2003-02-13 | 2005-06-07 | 삼성전자주식회사 | 선택적 에피택셜 성장을 이용한 반도체 소자의 국부 배선형성 방법 |
KR100539158B1 (ko) * | 2004-04-20 | 2005-12-26 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자의 게이트간 유전막 형성 방법 |
US7078326B1 (en) * | 2005-01-19 | 2006-07-18 | Marsh Eugene P | Nucleation method for atomic layer deposition of cobalt on bare silicon during the formation of a semiconductor device |
US20070099806A1 (en) * | 2005-10-28 | 2007-05-03 | Stewart Michael P | Composition and method for selectively removing native oxide from silicon-containing surfaces |
US7666774B2 (en) * | 2007-01-23 | 2010-02-23 | International Business Machines Corporation | CMOS structure including dual metal containing composite gates |
JP2009026802A (ja) * | 2007-07-17 | 2009-02-05 | Toshiba Corp | 半導体装置の製造方法および半導体装置 |
KR20090106880A (ko) * | 2008-04-07 | 2009-10-12 | 주식회사 하이닉스반도체 | 고집적 반도체 소자의 게이트 형성방법 |
-
2010
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2011
- 2011-08-30 US US13/814,533 patent/US8937012B2/en active Active
- 2011-08-30 WO PCT/KR2011/006389 patent/WO2012033299A2/ko active Application Filing
- 2011-08-30 JP JP2013525842A patent/JP5698847B2/ja not_active Expired - Fee Related
- 2011-08-30 CN CN201180042743.XA patent/CN103081064B/zh not_active Expired - Fee Related
Also Published As
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WO2012033299A2 (ko) | 2012-03-15 |
US8937012B2 (en) | 2015-01-20 |
JP2013546158A (ja) | 2013-12-26 |
WO2012033299A3 (ko) | 2012-06-14 |
KR20120024199A (ko) | 2012-03-14 |
US20130130497A1 (en) | 2013-05-23 |
CN103081064B (zh) | 2015-07-29 |
CN103081064A (zh) | 2013-05-01 |
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