JP2005136198A - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 88
- 239000004065 semiconductor Substances 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 50
- 239000012535 impurity Substances 0.000 claims abstract description 133
- 229910052751 metal Inorganic materials 0.000 claims abstract description 89
- 239000002184 metal Substances 0.000 claims abstract description 89
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 82
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000000758 substrate Substances 0.000 claims description 89
- 229910052710 silicon Inorganic materials 0.000 claims description 78
- 239000010703 silicon Substances 0.000 claims description 78
- 230000005669 field effect Effects 0.000 claims description 38
- 238000002955 isolation Methods 0.000 claims description 31
- 230000001678 irradiating effect Effects 0.000 claims description 11
- 238000000059 patterning Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 abstract description 31
- 230000001419 dependent effect Effects 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 71
- 238000005468 ion implantation Methods 0.000 description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 33
- 229910052814 silicon oxide Inorganic materials 0.000 description 33
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 25
- 229910052796 boron Inorganic materials 0.000 description 25
- 230000006870 function Effects 0.000 description 23
- 239000011229 interlayer Substances 0.000 description 18
- 229910052581 Si3N4 Inorganic materials 0.000 description 17
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 17
- 238000005229 chemical vapour deposition Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 15
- 229910052698 phosphorus Inorganic materials 0.000 description 15
- 239000011574 phosphorus Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 238000001312 dry etching Methods 0.000 description 14
- 229910052785 arsenic Inorganic materials 0.000 description 13
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 13
- 238000005530 etching Methods 0.000 description 13
- 238000001459 lithography Methods 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 9
- 229910017052 cobalt Inorganic materials 0.000 description 7
- 239000010941 cobalt Substances 0.000 description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000449 hafnium oxide Inorganic materials 0.000 description 3
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910005881 NiSi 2 Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 2
- 229910021342 tungsten silicide Inorganic materials 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910021334 nickel silicide Inorganic materials 0.000 description 1
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- -1 nitrogen ions Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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Abstract
【解決手段】 ゲート電極膜17bを不純物添加金属シリサイド膜で構成し、その後にエネルギービームを照射してゲート電極膜17bを熱処理する。不純物添加金属シリサイド膜における不純物により、その仕事関数を変え、これにより、MISFETのしきい値電圧を所定の値に制御することができる。また、短時間高温熱処理によって、熱処理による素子特性への悪影響が比較的少ない半導体装置が得られる。
【選択図】 図5
Description
11 第1の絶縁膜
12 第2の絶縁膜
13 第3の絶縁膜
14 素子分離領域
15a N型ウェル領域
15b P型ウェル領域
16、16b ゲート絶縁膜
17、17b、17c、17d ゲート電極膜
18a 第1のレジスト膜
18b 第2のレジスト膜
19a、19b エクステンション領域
20 側壁絶縁膜
21a、21b ソース及びドレイン領域
16a ダミーゲート絶縁膜
17a ダミーゲート電極膜
22 ダミーゲート構造
23 ライナ絶縁膜
24 層間絶縁膜
22a 空間領域
22b ダマシーンゲート構造
18 キャップ膜
25a、25b 金属シリサイド層
16c 高誘電体ゲート絶縁膜
Claims (11)
- 半導体基体に素子分離領域を形成する工程と、
前記素子分離領域に囲まれた素子領域にゲート絶縁膜を形成する工程と、
前記ゲート絶縁膜上に不純物添加金属シリサイド膜を形成する工程と、
エネルギービームを前記不純物添加金属シリサイド膜に照射して前記不純物添加金属シリサイド膜を熱処理する工程と、
前記不純物添加金属シリサイド膜をパターニングしてゲート電極膜を形成する工程と、
少なくともパターニングされた前記ゲート電極膜をマスクに前記素子領域の一領域を挟むように導電型を与える不純物を導入し、ソース及びドレイン領域を形成する工程とを
有することを特徴とする半導体装置の製造方法。 - 前記ゲート電極膜を形成する工程と、前記ソース及びドレイン領域を形成する工程との間に、前記ゲート電極膜をマスクに前記素子領域の一領域を挟むように導電型を与える不純物を導入し、エクステンション領域を形成する工程と、前記ゲート電極膜の側周壁領域に側壁絶縁膜を形成する工程とを有することを特徴とする請求項1に記載の半導体装置の製造方法。
- 半導体基体に素子分離領域を形成する工程と、
前記素子分離領域に囲まれた素子領域にダミーゲート絶縁膜を形成する工程と、
前記ダミーゲート絶縁膜上にダミーゲート電極膜を形成する工程と、
前記ダミーゲート電極膜をパターニングしてダミーゲート電極を形成する工程と、
前記ダミーゲート電極膜をマスクに前記素子領域の一領域を挟むように導電型を与える不純物を導入し、エクステンション領域を形成する工程と、
前記ダミーゲート電極膜の側周壁領域に側壁絶縁膜を形成する工程と、
前記側壁絶縁膜が形成された前記ダミーゲート電極膜をマスクに前記素子領域の一領域を挟むように導電型を与える不純物を導入し、ソース及びドレイン領域を形成する工程と、
前記ダミーゲート電極膜及び前記ダミー絶縁膜を除去して空間部を形成する工程と、
前記空間部の前記半導体基体上にゲート絶縁膜を形成する工程と、
前記ゲート絶縁膜上に、不純物添加金属シリサイド膜を形成する工程と、
エネルギービームを前記不純物添加金属シリサイド膜に照射して前記不純物添加金属シリサイド膜を熱処理する工程とを
有することを特徴とする半導体装置の製造方法。 - 前記不純物添加金属シリサイド膜に導入される不純物がシリコンに導電型を与える不純物であることを特徴とする請求項1乃至請求項3のいずれか1項に記載の半導体装置の製造方法。
- 半導体基体に素子分離領域を形成する工程と、
前記素子分離領域に囲まれた素子領域の一部にP型ウェル領域を、他の一部の素子領域にN型ウェル領域を形成し、それぞれN型絶縁ゲート電界効果トランジスタ領域及びP型絶縁ゲート電界効果トランジスタ領域とする工程と、
前記N型絶縁ゲート電界効果トランジスタ領域及びP型絶縁ゲート電界効果トランジスタ領域にゲート絶縁膜を形成する工程と、
前記ゲート絶縁膜上に金属シリサイド膜を形成する工程と、
前記P型絶縁ゲート電界効果トランジスタ領域の前記金属シリサイド膜へ、シリコンにおけるP型不純物を導入する工程と、
エネルギービームを不純物が導入された前記金属シリサイド膜に照射して前記金属シリサイド膜を熱処理する工程と、
前記金属シリサイド膜をパターニングしてゲート電極膜を形成する工程と、
少なくともパターニングされた前記ゲート電極膜をマスクに、前記素子領域の一領域を挟むようにP型絶縁ゲート電界効果トランジスタ領域へはP型を与える不純物を、N型絶縁ゲート電界効果トランジスタ領域へはN型を与える不純物をそれぞれ導入し、ソース及びドレイン領域を形成する工程とを
有することを特徴とする半導体装置の製造方法。 - 前記ゲート電極膜を形成する工程と、前記ソース及びドレイン領域を形成する工程との間に、前記ゲート電極膜をマスクに前記素子領域の一領域を挟むように導電型を与える不純物を導入し、エクステンション領域を形成する工程と、前記ゲート電極膜の側周壁領域に側壁絶縁膜を形成する工程とを有することを特徴とする請求項5に記載の半導体装置の製造方法。
- 前記P型絶縁ゲート電界効果トランジスタ領域の前記金属シリサイド膜へ、シリコンにおけるP型不純物を導入する工程と、エネルギービームを不純物が導入された前記金属シリサイド膜に照射して前記金属シリサイド膜を熱処理する工程との間に、前記N型絶縁ゲート電界効果トランジスタ領域の前記金属シリサイド膜へ、シリコンにおけるN型不純物を導入する工程を有することを特徴とする請求項5又は請求項6に記載の半導体装置の製造方法。
- 半導体基体に素子分離領域を形成する工程と、
前記素子分離領域に囲まれた素子領域の一部にP型ウェル領域を、他の一部の素子領域にN型ウェル領域を形成し、それぞれN型絶縁ゲート電界効果トランジスタ領域及びP型絶縁ゲート電界効果トランジスタ領域とする工程と、
前記N型絶縁ゲート電界効果トランジスタ領域及びP型絶縁ゲート電界効果トランジスタ領域にダミーゲート絶縁膜を形成する工程と、
前記ダミーゲート絶縁膜上にダミーゲート電極膜を形成する工程と、
前記ダミーゲート電極膜をパターニングしてダミーゲート電極を形成する工程と、
前記ダミーゲート電極をマスクに前記素子領域の一領域を挟むようにP型絶縁ゲート電界効果トランジスタ領域へはP型を与える不純物を、N型絶縁ゲート電界効果トランジスタ領域へはN型を与える不純物をそれぞれ導入し、エクステンション領域を形成する工程と、
前記ダミーゲート電極の側周壁領域に側壁絶縁膜を形成する工程と、
前記側壁絶縁膜が形成された前記ダミーゲート電極をマスクに、前記素子領域の一領域を挟むようにP型絶縁ゲート電界効果トランジスタ領域へはP型を与える不純物を、N型絶縁ゲート電界効果トランジスタ領域へはN型を与える不純物をそれぞれ導入し、ソース及びドレイン領域を形成する工程と、
前記ダミーゲート電極膜及び前記ダミー絶縁膜を除去して空間部を形成する工程と、
前記空間部の前記半導体基体上にゲート絶縁膜を形成する工程と、
前記ゲート絶縁膜上に、金属シリサイド膜を形成する工程と、
前記P型絶縁ゲート電界効果トランジスタ領域の前記金属シリサイド膜へ、シリコンにおけるP型不純物を導入する工程と、
エネルギービームを不純物が導入された前記金属シリサイド膜に照射して前記金属シリサイド膜を熱処理する工程とを
有することを特徴とする半導体装置の製造方法。 - 前記P型絶縁ゲート電界効果トランジスタ領域の前記金属シリサイド膜へ、シリコンにおけるP型不純物を導入する工程と、エネルギービームを前記金属シリサイド膜に照射して前記金属シリサイド膜を熱処理する工程との間に、前記N型絶縁ゲート電界効果トランジスタ領域の前記金属シリサイド膜へ、シリコンにおけるN型不純物を導入する工程を有することを特徴とする請求項8に記載の半導体装置の製造方法。
- 前記ソース及びドレイン領域を形成する工程の後に、前記ソース及びドレイン領域上に金属乃至は金属シリサイド層を形成する工程を有することを特徴とする請求項1乃至請求項9のいずれか1項に記載の半導体装置の製造方法。
- 前記エネルギービームがインコヒーレント光であることを特徴とする請求項1乃至請求項10のいずれか1項に記載の半導体装置の製造方法。
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JP2007227865A (ja) * | 2006-02-27 | 2007-09-06 | Seiko Epson Corp | シリサイドの形成方法及び半導体装置の製造方法 |
US7667273B2 (en) | 2006-06-05 | 2010-02-23 | Kabushiki Kaisha Toshiba | Semiconductor device and method for manufacturing the same |
CN107564863A (zh) * | 2016-06-30 | 2018-01-09 | 中芯国际集成电路制造(上海)有限公司 | 一种半导体器件及其制造方法 |
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US7892906B2 (en) * | 2008-01-30 | 2011-02-22 | Texas Instruments Incorporated | Method for forming CMOS transistors having FUSI gate electrodes and targeted work functions |
KR101486425B1 (ko) * | 2008-11-19 | 2015-01-27 | 삼성전자주식회사 | 듀얼 게이트 반도체 장치의 제조방법 |
CN102593000B (zh) | 2011-01-13 | 2015-01-14 | 中国科学院微电子研究所 | 半导体器件及其制造方法 |
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CN103377931B (zh) * | 2012-04-23 | 2016-04-13 | 中国科学院微电子研究所 | 半导体结构及其制造方法 |
CN103855008A (zh) * | 2012-11-30 | 2014-06-11 | 中国科学院微电子研究所 | N型mosfet及其制造方法 |
CN105990140A (zh) * | 2015-01-30 | 2016-10-05 | 中芯国际集成电路制造(上海)有限公司 | 晶体管的形成方法 |
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JPH08153804A (ja) * | 1994-09-28 | 1996-06-11 | Sony Corp | ゲート電極の形成方法 |
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JP2007227865A (ja) * | 2006-02-27 | 2007-09-06 | Seiko Epson Corp | シリサイドの形成方法及び半導体装置の製造方法 |
US7667273B2 (en) | 2006-06-05 | 2010-02-23 | Kabushiki Kaisha Toshiba | Semiconductor device and method for manufacturing the same |
CN107564863A (zh) * | 2016-06-30 | 2018-01-09 | 中芯国际集成电路制造(上海)有限公司 | 一种半导体器件及其制造方法 |
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