JP2021052071A - 成膜方法 - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 73
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 34
- 239000013545 self-assembled monolayer Substances 0.000 claims abstract description 128
- 239000002094 self assembled monolayer Substances 0.000 claims abstract description 125
- 239000000758 substrate Substances 0.000 claims abstract description 112
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000010410 layer Substances 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 30
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 238000009792 diffusion process Methods 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 5
- 230000001603 reducing effect Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 125000003396 thiol group Chemical class [H]S* 0.000 claims 1
- 238000012545 processing Methods 0.000 description 72
- 239000007789 gas Substances 0.000 description 35
- 238000011282 treatment Methods 0.000 description 35
- 229910044991 metal oxide Inorganic materials 0.000 description 31
- 150000004706 metal oxides Chemical class 0.000 description 31
- 150000002894 organic compounds Chemical class 0.000 description 16
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 230000009467 reduction Effects 0.000 description 13
- 150000003573 thiols Chemical group 0.000 description 13
- 229910052581 Si3N4 Inorganic materials 0.000 description 12
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 12
- 230000032258 transport Effects 0.000 description 12
- 239000005751 Copper oxide Substances 0.000 description 10
- 229910000431 copper oxide Inorganic materials 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 9
- 238000012546 transfer Methods 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 230000007723 transport mechanism Effects 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000000231 atomic layer deposition Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 229910010271 silicon carbide Inorganic materials 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000002161 passivation Methods 0.000 description 4
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000000682 scanning probe acoustic microscopy Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- WJTZZPVVTSDNJJ-UHFFFAOYSA-N 2-fluorobenzenethiol Chemical compound FC1=CC=CC=C1S WJTZZPVVTSDNJJ-UHFFFAOYSA-N 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000004014 thioethyl group Chemical group [H]SC([H])([H])C([H])([H])* 0.000 description 1
- 125000004055 thiomethyl group Chemical group [H]SC([H])([H])* 0.000 description 1
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Abstract
Description
図1は、第1実施形態に係る成膜方法を示すフローチャートである。図2は、図1に示す各工程での基板の状態の一例を示す断面図である。図2(A)〜図2(E)は、それぞれ、図1に示す工程S101〜S105に対応する基板10の状態を示す。
図3は、第2実施形態に係る成膜方法を示すフローチャートである。図4は、図3に示す各工程での基板の状態の一例を示す断面図である。図4(A)〜図4(F)は、それぞれ、図3に示す工程S101〜S105に対応する基板20を示す。
次に、本開示の一実施形態に係る成膜方法を実施するためのシステムについて説明する。
次に、酸化還元処理装置200、対象膜成膜装置400のような成膜装置、およびSAM形成装置300の一例について説明する。
11 導電膜
11A 自然酸化膜
11B 金属酸化膜
12 絶縁膜
13A、13B SAM
14 対象膜
15 下地基板
Claims (9)
- 基板上へ対象膜を形成する成膜方法であって、
第1領域の表面に形成された第1材料の層と、第2領域の表面に形成された前記第1材料とは異なる第2材料の層とを有する前記基板を準備する工程と、
基板温度を第1温度に制御する工程と、
自己組織化膜の原料ガスを供給し、前記第1材料の層の表面に前記第1温度で自己組織化膜を形成する工程と、
前記基板温度を前記第1温度よりも高い第2温度に制御する工程と、
前記自己組織化膜の原料ガスを供給し、前記第1温度で前記自己組織化膜が形成された前記第1材料の層の上に、さらに、前記第2温度で自己組織化膜を形成する工程と、
を含む、成膜方法。 - 前記基板を準備する工程の後で、前記第1温度で自己組織化膜を形成する工程の前に、前記第1材料の層の表面を還元する工程をさらに含む、請求項1に記載の成膜方法。
- 前記第1温度で自己組織化膜を形成する工程の後で、前記第2温度で自己組織化膜を形成する工程の前であって、前記基板を前記第2温度に昇温する前、又は、前記基板を前記第2温度に昇温した後に、前記第1温度で前記自己組織化膜が形成された前記第1材料の層を酸化する工程をさらに含む、請求項1又は2に記載の成膜方法。
- 前記第1温度は、前記第1材料の拡散が生じない温度である、請求項1乃至3のいずれか一項に記載の成膜方法。
- 前記第2温度は、前記自己組織化膜の分解が生じない温度である、請求項1乃至4のいずれか一項に記載の成膜方法。
- 前記第1材料は、銅、コバルト、ルテニウム、又はタングステンである、請求項1乃至5のいずれか一項に記載の成膜方法。
- 前記第2材料は、ケイ素を含む絶縁材料である、請求項1乃至6のいずれか一項に記載の成膜方法。
- 前記自己組織化膜の材料は、チオール系の自己組織化膜の材料である、請求項1乃至7のいずれか一項に記載の成膜方法。
- 前記第2材料の層の表面に前記対象膜を形成する工程をさらに含む、請求項1乃至8のいずれか一項に記載の成膜方法。
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WO2023140115A1 (ja) * | 2022-01-24 | 2023-07-27 | 東京応化工業株式会社 | 導電体表面用撥水剤、導電体表面の撥水化方法、導電体表面を有する領域を選択的に撥水化する方法、表面処理方法、及び基板表面の領域選択的製膜方法 |
WO2024070696A1 (ja) * | 2022-09-27 | 2024-04-04 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
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