KR20060124879A - 박막 증착 방법 - Google Patents
박막 증착 방법 Download PDFInfo
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- KR20060124879A KR20060124879A KR1020050044469A KR20050044469A KR20060124879A KR 20060124879 A KR20060124879 A KR 20060124879A KR 1020050044469 A KR1020050044469 A KR 1020050044469A KR 20050044469 A KR20050044469 A KR 20050044469A KR 20060124879 A KR20060124879 A KR 20060124879A
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- Prior art keywords
- trench
- insulating film
- plasma
- gas
- supplying
- Prior art date
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- 238000007736 thin film deposition technique Methods 0.000 title claims description 9
- 238000000034 method Methods 0.000 claims abstract description 59
- 238000000151 deposition Methods 0.000 claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 239000004065 semiconductor Substances 0.000 claims abstract description 26
- 238000000231 atomic layer deposition Methods 0.000 claims abstract description 17
- 239000010408 film Substances 0.000 claims description 94
- 239000007789 gas Substances 0.000 claims description 50
- 239000012495 reaction gas Substances 0.000 claims description 38
- 238000010926 purge Methods 0.000 claims description 23
- 238000005229 chemical vapour deposition Methods 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 7
- 239000000376 reactant Substances 0.000 claims description 7
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 150000003377 silicon compounds Chemical class 0.000 claims description 2
- 230000008021 deposition Effects 0.000 abstract description 31
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 24
- 238000005530 etching Methods 0.000 description 13
- 238000002955 isolation Methods 0.000 description 11
- 238000000926 separation method Methods 0.000 description 11
- 238000005137 deposition process Methods 0.000 description 10
- 150000004767 nitrides Chemical class 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000000427 thin-film deposition Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000010169 landfilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Classifications
-
- 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
- H01L21/02271—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 deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/0228—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 deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4408—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber by purging residual gases from the reaction chamber or gas lines
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
-
- 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
- H01L21/02271—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 deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/02274—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 deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition in the presence of a plasma [PECVD]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (14)
- 제 1 트랜치가 형성된 반도체 기판을 마련하는 단계;제 1 절연막을 증착하여 제 1 트랜치의 일부를 매립하고 상기 제 1 트랜치 보다 폭과 깊이가 좁은 제 2 트랜치를 형성하는 단계; 및원자층 증착 공정을 통해 제 2 절연막을 증착하여 상기 제 2 트랜치를 매립하는 단계를 포함하는 박막 증착 방법.
- 청구항 1에 있어서,상기 제 1 절연막은 플라즈마를 이용한 화학 기상 증착 공정을 이용하여 형성되고, 상기 플라즈마를 이용한 화학 기상 증착 공정 시 플라즈마의 전자 이온 밀도가 단위 세제곱 센티미터당 10의 11승 이상인 박막 증착 방법.
- 청구항 2에 있어서,상기 플라즈마를 이용한 화학 기상 증착 공정은 2 내지 60MHz 이내의 고주파 전원을 공급하여 플라즈마를 형성시키는 박막 증착 방법.
- 청구항 2에 있어서, 상기 플라즈마를 이용한 화학 기상 증착 공정은,상기 반도체 기판이 안착된 챔버 내부로 비 반응성 가스를 공급하는 단계;챔버 내부에 플라즈마를 발생하는 단계;챔버 내부로 반응 가스를 공급하는 단계; 및상기 반도체 기판의 하부에 바이어스 전압을 인가하여 증착하는 단계를 포함하는 박막 증착 방법.
- 청구항 1에 있어서, 상기 원자층 증착 공정은,제 1 반응 가스를 공급하는 단계;제 1 퍼지 가스를 공급하는 단계;제 2 반응 가스를 공급하는 단계; 및제 2 퍼지 가스를 공급하는 단계를 순차적으로 반복하는 박막 증착 방법.
- 청구항 5에 있어서,상기 제 1 반응 가스는 규소를 포함하는 불활성 가스의 화합물인 박막 증착 방법.
- 청구항 5에 있어서,상기 제 1 및 제 2 퍼지가스는 비활성 가스인 박막 증착 방법.
- 청구항 5에 있어서,상기 제 2 반응 가스는 수소와 산소의 혼합가스인 박막 증착 방법.
- 청구항 5에 있어서,상기 제 1 반응가스 공급시 피리딘과 같은 촉매 성분을 함께 공급하는 박막 증착 방법.
- 청구항 5에 있어서,상기 제 2 반응 가스 공급시 플라즈마를 발생시키는 박막 증착 방법.
- 청구항 1에 있어서,상기 제 1 절연막과 제 2 절연막 중 어느 하나는 규소화합물 산화막인 박막 증착 방법.
- 청구항 1에 있어서,상기 제 2 트랜치의 폭은 상기 제 1 트랜치 폭의 20 내지 80%이고, 상기 제 2 트랜치 측벽의 경사각은 70 내지 90도인 박막 증착 방법.
- 청구항 1에 있어서,상기 제 1 트랜치는 STI용 공간, 게이트 전극 간의 공간 및 금속패턴 간의 공간 중 어느 하나인 박막 증착 방법.
- 청구항 13에 있어서,상기 제 1 트랜치의 폭은 100㎚이하이고, 깊이와 폭의 비가 2:1 내지 20:1인 박막 증착 방법.
Priority Applications (1)
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KR1020050044469A KR20060124879A (ko) | 2005-05-26 | 2005-05-26 | 박막 증착 방법 |
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KR1020050044469A KR20060124879A (ko) | 2005-05-26 | 2005-05-26 | 박막 증착 방법 |
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KR1020050044469A KR20060124879A (ko) | 2005-05-26 | 2005-05-26 | 박막 증착 방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100712729B1 (ko) * | 2007-02-09 | 2007-05-04 | 주식회사 아토 | 절연막 형성 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010013862A (ko) * | 1997-06-18 | 2001-02-26 | 노스이스턴 유니버시티 | 칼날을 다이아몬드성 탄소로 코팅하는 방법 |
KR100356965B1 (ko) * | 2000-07-13 | 2002-10-18 | 주식회사 에버테크 | 원자층 박막 증착장치 |
JP2002541332A (ja) * | 1999-04-14 | 2002-12-03 | アーサー シャーマン | シーケンシャル化学気相成長法 |
KR20060032923A (ko) * | 2004-10-13 | 2006-04-18 | 삼성전자주식회사 | 원자층증착법을 이용한 박막 형성방법 |
-
2005
- 2005-05-26 KR KR1020050044469A patent/KR20060124879A/ko not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010013862A (ko) * | 1997-06-18 | 2001-02-26 | 노스이스턴 유니버시티 | 칼날을 다이아몬드성 탄소로 코팅하는 방법 |
JP2002541332A (ja) * | 1999-04-14 | 2002-12-03 | アーサー シャーマン | シーケンシャル化学気相成長法 |
KR100356965B1 (ko) * | 2000-07-13 | 2002-10-18 | 주식회사 에버테크 | 원자층 박막 증착장치 |
KR20060032923A (ko) * | 2004-10-13 | 2006-04-18 | 삼성전자주식회사 | 원자층증착법을 이용한 박막 형성방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100712729B1 (ko) * | 2007-02-09 | 2007-05-04 | 주식회사 아토 | 절연막 형성 방법 |
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