KR100524805B1 - 반도체 소자의 트렌치 갭필 방법 - Google Patents
반도체 소자의 트렌치 갭필 방법 Download PDFInfo
- Publication number
- KR100524805B1 KR100524805B1 KR10-2003-0043098A KR20030043098A KR100524805B1 KR 100524805 B1 KR100524805 B1 KR 100524805B1 KR 20030043098 A KR20030043098 A KR 20030043098A KR 100524805 B1 KR100524805 B1 KR 100524805B1
- Authority
- KR
- South Korea
- Prior art keywords
- trench
- oxide film
- density plasma
- based high
- helium
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 239000004065 semiconductor Substances 0.000 title claims abstract description 25
- 239000001307 helium Substances 0.000 claims abstract description 41
- 229910052734 helium Inorganic materials 0.000 claims abstract description 41
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 41
- QKCGXXHCELUCKW-UHFFFAOYSA-N n-[4-[4-(dinaphthalen-2-ylamino)phenyl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=CC(=CC=3)C=3C=CC(=CC=3)N(C=3C=C4C=CC=CC4=CC=3)C=3C=C4C=CC=CC4=CC=3)C3=CC4=CC=CC=C4C=C3)=CC=C21 QKCGXXHCELUCKW-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000008021 deposition Effects 0.000 claims abstract description 29
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 19
- 239000011737 fluorine Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 20
- 229910000077 silane Inorganic materials 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 19
- 239000001301 oxygen Substances 0.000 claims description 19
- 229910052760 oxygen Inorganic materials 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000011049 filling Methods 0.000 abstract description 10
- 238000000151 deposition Methods 0.000 description 29
- 239000010410 layer Substances 0.000 description 19
- 150000004767 nitrides Chemical class 0.000 description 13
- 238000000137 annealing Methods 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 238000002955 isolation Methods 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- 238000005137 deposition process Methods 0.000 description 7
- 238000005530 etching Methods 0.000 description 6
- 150000002431 hydrogen Chemical class 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000000992 sputter etching Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000005368 silicate glass Substances 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- GVGCUCJTUSOZKP-UHFFFAOYSA-N nitrogen trifluoride Chemical compound FN(F)F GVGCUCJTUSOZKP-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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
- H01L21/70—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
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
-
- 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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- 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)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (8)
- 반도체 기판에 트렌치를 형성하는 단계;상기 트렌치의 바닥 및 측벽에서 동일한 증착속도를 갖도록 하여 제1헬륨계 _고밀도플라즈마산화막을 형성하는 단계;상기 제1헬륨계_고밀도플라즈마산화막 상에 상기 트렌치의 바닥을 채우도록 삼불화질소계_고밀도플라즈마산화막을 형성하는 단계;상기 삼불화질소계_고밀도플라즈마산화막 중에 잔류하는 불소를 제거하기 위한 열처리 단계; 및상기 열처리된 삼불화질소계_고밀도플라즈마산화막 상에 상기 트렌치를 완전히 갭필하도록 제2헬륨계_고밀도플라즈마산화막을 형성하는 단계를 포함하는 반도체 소자의 트렌치 갭필 방법.
- 제1항에 있어서,상기 제1헬륨계_고밀도플라즈마산화막을 형성하는 단계는,실레인, 산소, 헬륨 및 수소의 혼합가스의 플라즈마를 이용하는 것을 특징으로 하는 반도체 소자의 트렌치 갭필 방법.
- 제2항에 있어서,상기 실레인의 유량은 40sccm∼50sccm 범위, 상기 산소의 유량은 50sccm∼60sccm 범위, 상기 헬륨의 유량은 400sccm∼600sccm 범위, 상기 수소의 유량은 50sccm∼150sccm 범위로 유지하고, 상기 플라즈마를 발생시키기 위한 인가전력은 저주파(400kHz)일 때 3000W∼3500W이고, 고주파(13.56MHz)일 때 500W∼600W로 인가하는 것을 특징으로 하는 반도체 소자의 트렌치 갭필 방법.
- 제1항에 있어서,상기 삼불화질소계_고밀도플라즈마산화막을 형성하는 단계는,실레인, 산소, 삼불화질소 및 수소의 혼합가스의 플라즈마를 이용하는 것을 특징으로 하는 반도체 소자의 트렌치 갭필 방법.
- 제4항에 있어서,상기 실레인, 산소, 삼불화질소 및 수소의 유량은 각각 50sccm∼70sccm, 100sccm∼150sccm, 10sccm∼100sccm, 20sccm∼80sccm 범위로 유지하고, 상기 플라즈마를 발생시키기 위한 인가전력은 저주파(400kHz)일 때 4000W∼6000W이고, 고주파(13.56MHz)일 때 900W∼1000W로 인가하는 것을 특징으로 하는 반도체 소자의 트렌치 갭필 방법.
- 제1항에 있어서,상기 제2헬륨계_고밀도플라즈마산화막을 형성하는 단계는,실레인, 산소 및 헬륨의 혼합가스의 플라즈마를 이용하는 것을 특징으로 하는 반도체 소자의 트렌치 갭필 방법.
- 제6항에 있어서,상기 실레인, 산소 및 헬륨의 유량은 각각 150sccm∼250sccm, 300sccm∼400sccm, 400sccm∼600sccm 범위로 유지하고, 상기 프라즈마를 발생시키기 위한 인가전력은 저주파(400kHz)일 때 2000W∼3000W이고, 고주파(13.56MHz)일 때 2000W∼3000W로 인가하는 것을 특징으로 하는 반도체 소자의 트렌치 갭필 방법.
- 제1항에 있어서,상기 삼불화질소계_고밀도플라즈마산화막중에 잔류하는 불소를 제거하기 위한 열처리 단계는,확산로에서 900℃∼1050℃의 온도로 30분∼60분동안 진행하는 것을 특징으로 하는 반도체 소자의 트렌치 갭필 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0043098A KR100524805B1 (ko) | 2003-06-30 | 2003-06-30 | 반도체 소자의 트렌치 갭필 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0043098A KR100524805B1 (ko) | 2003-06-30 | 2003-06-30 | 반도체 소자의 트렌치 갭필 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20050002052A KR20050002052A (ko) | 2005-01-07 |
KR100524805B1 true KR100524805B1 (ko) | 2005-11-01 |
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KR10-2003-0043098A KR100524805B1 (ko) | 2003-06-30 | 2003-06-30 | 반도체 소자의 트렌치 갭필 방법 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100689826B1 (ko) | 2005-03-29 | 2007-03-08 | 삼성전자주식회사 | 불소 함유된 화학적 식각 가스를 사용하는 고밀도 플라즈마화학기상증착 방법들 및 이를 채택하여 반도체 소자를제조하는 방법들 |
KR100678481B1 (ko) * | 2005-10-14 | 2007-02-02 | 삼성전자주식회사 | 반도체소자의 트렌치 소자분리 방법 |
KR101311363B1 (ko) * | 2007-02-09 | 2013-09-25 | 주식회사 원익아이피에스 | 반도체 소자간 갭-필 방법 |
CN113327886A (zh) * | 2021-05-28 | 2021-08-31 | 上海华力微电子有限公司 | 避免层间介质填充过程中形成缝隙的方法 |
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