KR100759649B1 - 고 밀도 화학 기상 증착법을 이용하여 재료를 증착하는방법 및 갭을 충진시키는 방법 - Google Patents
고 밀도 화학 기상 증착법을 이용하여 재료를 증착하는방법 및 갭을 충진시키는 방법 Download PDFInfo
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- KR100759649B1 KR100759649B1 KR1020067005493A KR20067005493A KR100759649B1 KR 100759649 B1 KR100759649 B1 KR 100759649B1 KR 1020067005493 A KR1020067005493 A KR 1020067005493A KR 20067005493 A KR20067005493 A KR 20067005493A KR 100759649 B1 KR100759649 B1 KR 100759649B1
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- deuterium
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- 238000000151 deposition Methods 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 88
- 239000000463 material Substances 0.000 title claims abstract description 42
- 238000005229 chemical vapour deposition Methods 0.000 title claims description 9
- 230000008021 deposition Effects 0.000 claims abstract description 82
- 239000000758 substrate Substances 0.000 claims abstract description 48
- 229910052805 deuterium Inorganic materials 0.000 claims abstract description 37
- 239000007789 gas Substances 0.000 claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 239000004065 semiconductor Substances 0.000 claims abstract description 13
- 238000005530 etching Methods 0.000 claims abstract description 10
- -1 deuterium compound Chemical class 0.000 claims abstract description 7
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 34
- 150000001875 compounds Chemical class 0.000 claims description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000002243 precursor Substances 0.000 claims description 17
- 229910052722 tritium Inorganic materials 0.000 claims description 13
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical group [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 claims description 11
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000011800 void material Substances 0.000 claims description 5
- 229910004283 SiO 4 Inorganic materials 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 238000012876 topography Methods 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 229910003925 SiC 1 Inorganic materials 0.000 claims 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 2
- 229910052698 phosphorus Inorganic materials 0.000 claims 2
- 239000011574 phosphorus Substances 0.000 claims 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000001540 jet deposition Methods 0.000 abstract 1
- 238000004544 sputter deposition Methods 0.000 description 15
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 239000001257 hydrogen Substances 0.000 description 9
- 239000002019 doping agent Substances 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000001975 deuterium Chemical class 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
Claims (44)
- 기판 위에 층을 증착시키는 방법에 있어서, 상기 방법은-고밀도 플라스마 반응 챔버의 내부로 기판을 제공하는 단계,-반응 챔버의 내부로 D2 및 DH 중 하나 또는 모두를 제공하는 단계,-중-수소 동위원소 치환기를 가진 하나 이상의 화합물들을 반응 챔버의 내부로 제공하는 단계,-반응 챔버의 내부에서 고밀도 플라스마를 발생시키는 단계, 및-기판위에 층을 화학 기체 증착시키는 단계를 포함하고, 상기 층은 상기 화합물들 중 일부 또는 전부를 포함하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 중-수소 동위원소는 중수소(deuterium)인 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 하나 이상의 화합물은 SiDxH4-x, Si2DyH6-y, PDzH3-z, SiC12DH, SiC12D2, SiO4C8DqH20-q로 구성되는 그룹으로부터 선택되고, x=1~4, y=1~6, z=1~3 및 q=1~20인 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 층은 산화물 재료를 포함하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 층은 증착되는 동안 에칭되고, 동시에 증착되는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 증착으로 평면의 표면이 형성되는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 하나 이상의 화합물은 혼합물로 구성되고, 상기 혼합물은 O2 및 O3가스 중 하나이상을 포함하는 것을 특징으로 하는 방법.
- 갭을 충진하는 방법에 있어서, 상기 방법은갭 구조물을 포함하는 기판을 제공하는 단계, 및하나 이상의 중-수소 동위원소 치환기를 가진 하나 이상의 선구 물질을 이용하여 기판 위에 재료를 증착시키는 단계를 포함하고, 증착이 된 후 재료는 중-수소의 위치에 1H를 이용하는 것보다 더 적은 공극을 가지는 것을 특징으로 하는 방법.
- 제 8 항에 있어서, 갭 구조물은 기판 내부에 트렌치(trench)를 포함하는 것을 특징으로 하는 방법.
- 제 8 항에 있어서, 갭 구조물은 근접한 요소(element)들 사이에 갭을 포함하는 것을 특징으로 하는 방법.
- 제 8 항에 있어서, 갭 구조물은 제 1 갭 구조물로 구성되며, 기판은 제 2 갭 구조물을 부가적으로 포함하고, 제 1 갭 구조물은 트렌치가 위치되고, 제 2 갭 구조물은 요소들 사이에 갭이 위치되며, 재료를 증착함에 따라 요소들 사이의 갭과 트렌치가 충진되는 것을 특징으로 하는 방법.
- 제 8 항에 있어서, 하나 이상의 선구 물질은 SiRxH4 -x, Si2RyH6 -y, PRzH3 -z, SiC12RH, SiC12R2, SiO4C8RqH20 -q로 구성되는 그룹으로부터 선택되고, R은 중수소, 3 중수소 또는 이의 화합물이며, x=1~4, y=1~6, z=1~3 및 q=1~20인 것을 특징으로 하는 방법.
- 기판의 충진된 영역을 제조하는 방법에 있어서, 상기 방법은 D2 및 HD 중 하나 이상 및 중-수소 화합물을 포함하는 가스의 존재 하에 기판 위에 재료를 에칭하고 동시에 증착하는 단계를 포함하는 것을 특징으로 하는 방법.
- 삭제
- 제 13 항에 있어서, 중-수소 화합물은 제 1 중-수소 화합물로 구성되고, 가스는 제 2 중-수소 화합물을 포함하는 것을 특징으로 하는 방법.
- 삭제
- 제 13 항에 있어서, 가스는 DT, T2 및 TH 중 하나 이상을 포함하는 것을 특징으로 하는 방법.
- 제 17 항에 있어서, 가스는 H2를 부가하여 포함하는 것을 특징으로 하는 방법.
- 제 13 항에 있어서, 충진된 영역은 요소들 사이의 공간과 트렌치로 구성되는 그룹으로부터 선택된 하나 이상의 특징부(feature)를 가지는 것을 특징으로 하는 방법.
- 제 19 항에 있어서, 하나 이상의 특징부는 1:1보다 큰 종횡비를 가지는 것을 특징으로 하는 방법.
- 제 19 항에 있어서, 하나 이상의 특징부는 2:1보다 큰 종횡비를 가지는 것을 특징으로 하는 방법.
- 제 19 항에 있어서, 하나 이상의 특징부는 3:1보다 큰 종횡비를 가지는 것을 특징으로 하는 방법.
- 제 19 항에 있어서, 하나 이상의 특징부는 4:1보다 큰 종횡비를 가지는 것을 특징으로 하는 방법.
- 제 19 항에 있어서, 하나 이상의 특징부는 5:1보다 큰 종횡비를 가지는 것을 특징으로 하는 방법.
- 제 19 항에 있어서, 하나 이상의 특징부는 10nm 미만의 폭을 가지는 것을 특징으로 하는 방법.
- 제 19 항에 있어서, 증착은 거친 터포그러피(rugged topography) 위에서 형성되고, 거친 터포그러피에 대해 상대적으로 평평한 표면을 제조하는 것을 특징으로 하는 방법.
- 제 19 항에 있어서, 재료는 붕소 또는 인이 도핑된 실리콘 산화물, 불소가 도핑된 실리콘 산화물, 인이 도핑된 실리콘 산화물, 붕소가 도핑된 실리콘 산화물 및 도핑되지 않은 실리콘 산화물로 구성되는 그룹으로부터 선택되는 것을 특징으로 하는 방법.
- 고밀도 플라스마 화학 기상 증착을 하는 동안 네트 증착률의 변화도를 감소시키는 방법에 있어서, 상기 방법은 증착을 하는 동안 중-수소 동위 원소를 포함하는 하나 이상의 부가적인 화합물과 DH 및 D2 중 하나 또는 모두를 제공하는 단계를 포함하고, 전체 증착률은 재료의 동시 에칭 비율에 대한 재료의 증착률의 비율로 정해지는 것을 특징으로 하는 방법.
- 삭제
- 삭제
- 제 28 항에 있어서, 증착은 웨이퍼의 표면 전체에서 형성되고, 웨이퍼 표면의 중앙 위치에서 전체 증착률은 웨이퍼 표면의 변부 위치에서 전체 증착률과 동일한 것을 특징으로 하는 방법.
- 제 31 항에 있어서, 중앙 위치에서 전체 증착률은 웨이퍼 표면의 변부에서의 위치와 중앙 위치 사이의 라인을 따르는 모든 위치에서 형성되는 전체 증착률과 동일한 것을 특징으로 하는 방법.
- 제 28 항에 있어서, 증착은 웨이퍼 표면 전체에서 형성되고, 웨이퍼 표면 전체에서 특정 위치에서의 전체 증착률은 웨이퍼 표면 전체에서 그 외의 모든 점에서의 전체 증착률과 동일한 것을 특징으로 하는 방법.
- 제 28 항에 있어서, 증착은 하나 또는 그 이상의 갭을 가진 기판 위에 절연성 재료를 증착하는 것을 포함하고, 증착은 공극이 없는 충진된 갭을 형성하기 위한 절연성 재료로 구성되는 하나 또는 그 이상의 갭을 충진하는 것을 특징으로 하는 방법.
- 삭제
- 반도체 기판에서 갭을 충진하는 방법에 있어서, 상기 방법은-반응 챔버의 내부로 기판을 제공하는 단계,-반응 챔버의 내부로 적어도 하나 이상의 중-수소를 함유하는 화합물을 포함하는 가스 혼합물을 제공하는 단계, 및-층을 에칭하고 동시에 증착함에 의하여 기판 위에 재료의 층이 생성되도록 가스 혼합물에 반응을 일으키는 단계를 포함하고, 재료의 층은 갭을 충진하고, 갭 내부의 재료는 공극이 없는 것을 특징으로 하는 방법.
- 제 36 항에 있어서, 반응 챔버는 고 밀도 플라스마 화학 기상 증착 챔버로 구성되는 것을 특징으로 하는 방법.
- 제 36 항에 있어서, 하나 이상의 중-수소를 함유한 화합물은 SiRxH4 -x, Si2RyH6-y, PRzH3 -z, SiC12RH, SiC12R2, SiO4C8RqH20 -q, HR 및 R2로 구성되는 그룹으로부터 선택되어지고, R은 중수소, 3 중수소 또는 이의 조합물이며, x=1~4, y=1~6, z=1~3 및 q=1~20인 것을 특징으로 하는 방법.
- 개선된 증착률의 균일성을 제공하는 방법에 있어서, 상기 방법은 D2, HD, DT, T2 및 TH로 구성되는 그룹으로부터 선택된 하나 이상의 가스의 존재 하에 표면 위로 재료를 증착하는 단계를 포함하고, 상기 증착은 재료를 에칭하는 동시 비율에 대한 재료를 증착하는 비율에 의하여 형성된 전체 증착률로 형성되고, 상기 전체 표면에 걸쳐서 전체 증착률은 상기 가스대신에 H2를 이용하는 것을 제외한 동일한 상태하에서 증착하는 동안 발생된 대응하는 변화도에 대해 개선된 변화도를 가지는 것을 특징으로 하는 방법.
- 제 39 항에 있어서, 증착 단계는 고 밀도 플라스마 증착을 포함하는 것을 특징으로 하는 방법.
- 제 39 항에 있어서, 하나 이상의 가스를 이용하는 변화도는 하나의 H2를 이용하여 야기되는 해당 변화도에 대하여 18% 이상 개선되어 지는 것을 특징으로 하는 방법.
- 제 39 항에 있어서, 증착 단계는 5kW 미만의 고 주파수 바이어스 전력을 이용하여 기판 위로 고 밀도 플라스마 증착을 하는 것을 포함하는 것을 특징으로 하는 방법.
- 제 39 항에 있어서, 표면은 200mm 직경의 웨이퍼로 구성되는 것을 특징으로 하는 방법.
- 제 39 항에 있어서, 표면은 300mm 직경의 웨이퍼로 구성되는 것을 특징으로 하는 방법.
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US10/669,671 US7056833B2 (en) | 2003-09-23 | 2003-09-23 | Methods of filling gaps and methods of depositing materials using high density plasma chemical vapor deposition |
PCT/US2004/030875 WO2005031841A2 (en) | 2003-09-23 | 2004-09-20 | Methods of filling gaps and methods of depositing materials using high density plasma chemical vapor deposition |
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CN (1) | CN100454497C (ko) |
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US8021992B2 (en) * | 2005-09-01 | 2011-09-20 | Taiwan Semiconductor Manufacturing Co., Ltd. | High aspect ratio gap fill application using high density plasma chemical vapor deposition |
US20130288485A1 (en) * | 2012-04-30 | 2013-10-31 | Applied Materials, Inc. | Densification for flowable films |
US20140070225A1 (en) * | 2012-09-07 | 2014-03-13 | Apple Inc. | Hydrogenation and Crystallization of Polycrystalline Silicon |
US9401423B2 (en) * | 2013-07-16 | 2016-07-26 | Globalfoundries Inc. | Enhancing transistor performance and reliability by incorporating deuterium into a strained capping layer |
CN105825906B (zh) * | 2016-03-30 | 2017-12-08 | 中国科学院上海应用物理研究所 | 一种放射性含氟废液水泥固化方法 |
US11508584B2 (en) | 2019-06-17 | 2022-11-22 | Applied Materials, Inc. | Deuterium-containing films |
CN114761612A (zh) * | 2019-12-02 | 2022-07-15 | 朗姆研究公司 | 原位pecvd覆盖层 |
US20240087882A1 (en) * | 2022-09-09 | 2024-03-14 | Applied Materials, Inc. | Fluorine-doped silicon-containing materials |
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TWI248638B (en) | 2006-02-01 |
EP1665354B1 (en) | 2011-12-14 |
KR20060095972A (ko) | 2006-09-05 |
US7202183B2 (en) | 2007-04-10 |
TW200524008A (en) | 2005-07-16 |
WO2005031841A2 (en) | 2005-04-07 |
US7056833B2 (en) | 2006-06-06 |
US20060134924A1 (en) | 2006-06-22 |
US20050196976A1 (en) | 2005-09-08 |
US20050064729A1 (en) | 2005-03-24 |
CN1856870A (zh) | 2006-11-01 |
EP1665354A2 (en) | 2006-06-07 |
US7273793B2 (en) | 2007-09-25 |
CN100454497C (zh) | 2009-01-21 |
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ATE537556T1 (de) | 2011-12-15 |
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