KR101725765B1 - 산화막 증착 방법 및 이를 이용한 비아 콘택 형성 방법 - Google Patents
산화막 증착 방법 및 이를 이용한 비아 콘택 형성 방법 Download PDFInfo
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- KR101725765B1 KR101725765B1 KR1020100091752A KR20100091752A KR101725765B1 KR 101725765 B1 KR101725765 B1 KR 101725765B1 KR 1020100091752 A KR1020100091752 A KR 1020100091752A KR 20100091752 A KR20100091752 A KR 20100091752A KR 101725765 B1 KR101725765 B1 KR 101725765B1
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- oxide film
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- 238000000034 method Methods 0.000 title claims abstract description 81
- 238000000151 deposition Methods 0.000 title claims abstract description 63
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 48
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000010703 silicon Substances 0.000 claims abstract description 45
- 230000008021 deposition Effects 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000000460 chlorine Substances 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 26
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 18
- 238000005229 chemical vapour deposition Methods 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000007791 liquid phase Substances 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 88
- 239000000758 substrate Substances 0.000 description 14
- 235000012431 wafers Nutrition 0.000 description 11
- 239000010409 thin film Substances 0.000 description 9
- 239000000376 reactant Substances 0.000 description 8
- 230000008016 vaporization Effects 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 229910052814 silicon oxide Inorganic materials 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 5
- 238000000231 atomic layer deposition Methods 0.000 description 4
- 239000012159 carrier gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 229910003902 SiCl 4 Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- -1 SiCl 4 Chemical class 0.000 description 1
- 229910020163 SiOCl Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000000427 thin-film deposition Methods 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
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
도 2 내지 도 4는 일 실시예에 따른 산화막 증착 방법을 설명하기 위한 도면.
도 5는 일 실시예에 따른 실험예의 결과 그래프.
도 6 내지 도 8은 일 실시예에 따른 실리콘 관통 비아 기술에 적용되는 산화막 증착 방법을 설명하기 위한 공정 단면도.
도 9는 일 실시예의 변형예에 따른 실리콘 관통 비아 기술을 설명하기 위한 단면도.
10, 30 : 피처리물 11, 41 : 콘택홀
20, 50 : 산화막 40 : 적층물
60 : 연결 콘택
Claims (8)
- 종횡비(종:횡)가 1:3 이상의 콘택홀을 갖는 피증착물을 마련하는 단계; 및
상기 피증착물의 상기 콘택홀의 내측면에 산화막을 형성하는 단계를 포함하되,
상기 산화막은 25℃ 내지 200℃의 온도의 챔버 내에 염소 함유 실리콘 소스와 반응물질을 공급하여 증착하되, 85% 이상의 스텝 커버리지 특성과, 150Å/min 이상의 증착율을 가지고,
상기 반응물질은 H2 가스와 O2 가스를 반응 용기에 주입하여 기화된 H2O 및 O3가 함유된 물질을 사용하는 산화막 증착 방법. - 청구항 1에 있어서,
상기 챔버의 압력은 0.1Torr 내지 250Torr를 유지하는 산화막 증착 방법. - 청구항 2에 있어서,
상기 챔버의 온도가 25℃ 이상 80℃ 미만일 경우 상기 챔버의 압력은 0.1Torr 이상 250Torr 이하로 유지하고, 상기 챔버의 온도가 80℃ 이상 120℃ 미만일 경우 상기 챔버의 압력은 1Torr 이상 250Torr 이하로 유지하며, 상기 챔버의 온도가 120℃ 내지 150℃일 경우 상기 챔버의 압력은 5Torr 이상 250Torr 이하로 유지하는 산화막 증착 방법. - 삭제
- 청구항 1에 있어서,
상기 염소 함유 실리콘 소스의 공급은 버블러 방식, 히팅 방식 및 LDS를 이용한 방식 중 어느 하나를 사용하는 산화막 증착 방법.
- 다수의 피처리물이 적층되고, 상기 피처리물들을 관통하는 적어도 하나의 관통홀이 형성된 적층물을 마련하는 단계;
85% 이상의 스텝 커버리지 특성과, 150Å/min 이상의 증착율을 갖도록 25℃ 내지 200℃의 온도에서, 염소 함유 실리콘 소스와 반응 물질을 이용하여 적어도 상기 적층물의 상측면과 상기 관통홀의 내측표면에 산화막을 형성하는 단계;
상기 적층물의 내측표면에 형성된 산화막을 제외한 산화막을 제거하는 단계; 및
상기 산화막이 형성된 관통홀의 내부를 도전성 물질로 매립하여 연결 콘택을 형성하는 단계를 포함하고,
상기 반응물질은 H2 가스와 O2 가스를 반응 용기에 주입하여 기화된 H2O 및 O3가 함유된 물질을 사용하는 비아 콘택 형성 방법. - 청구항 6에 있어서,
상기 염소 함유 실리콘 소스로 Cl과 Si가 포함된 화합물을 사용하는 비아 콘택 형성 방법. - 청구항 6에 있어서,
상기 산화막 형성시의 압력은 0.1Torr 내지 250Torr를 유지하는 비아 콘택 형성 방법.
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KR20110031132A KR20110031132A (ko) | 2011-03-24 |
KR101725765B1 true KR101725765B1 (ko) | 2017-04-12 |
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US9633838B2 (en) * | 2015-12-28 | 2017-04-25 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Vapor deposition of silicon-containing films using penta-substituted disilanes |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20020018849A1 (en) * | 2000-06-29 | 2002-02-14 | George Steven M. | Method for forming SIO2 by chemical vapor deposition at room temperature |
JP2004044357A (ja) * | 2002-07-14 | 2004-02-12 | Hideo Murakami | 防雪柵収納用構造 |
KR100527400B1 (ko) | 2003-06-30 | 2005-11-15 | 주식회사 하이닉스반도체 | 다마신 공정을 이용한 반도체소자 제조방법 |
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US7468311B2 (en) * | 2003-09-30 | 2008-12-23 | Tokyo Electron Limited | Deposition of silicon-containing films from hexachlorodisilane |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20020018849A1 (en) * | 2000-06-29 | 2002-02-14 | George Steven M. | Method for forming SIO2 by chemical vapor deposition at room temperature |
JP2004044357A (ja) * | 2002-07-14 | 2004-02-12 | Hideo Murakami | 防雪柵収納用構造 |
KR100527400B1 (ko) | 2003-06-30 | 2005-11-15 | 주식회사 하이닉스반도체 | 다마신 공정을 이용한 반도체소자 제조방법 |
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