KR100219486B1 - 산화막의 형성방법 및 그 장치 - Google Patents
산화막의 형성방법 및 그 장치 Download PDFInfo
- Publication number
- KR100219486B1 KR100219486B1 KR1019960025936A KR19960025936A KR100219486B1 KR 100219486 B1 KR100219486 B1 KR 100219486B1 KR 1019960025936 A KR1019960025936 A KR 1019960025936A KR 19960025936 A KR19960025936 A KR 19960025936A KR 100219486 B1 KR100219486 B1 KR 100219486B1
- Authority
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- South Korea
- Prior art keywords
- wafer
- oxide film
- chamber
- oxidation step
- forming
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 48
- 230000003647 oxidation Effects 0.000 claims abstract description 41
- 239000007789 gas Substances 0.000 claims abstract description 32
- 238000011068 loading method Methods 0.000 claims abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 11
- 230000001590 oxidative effect Effects 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052710 silicon Inorganic materials 0.000 abstract description 13
- 239000010703 silicon Substances 0.000 abstract description 13
- 239000000758 substrate Substances 0.000 abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 239000000969 carrier Substances 0.000 abstract description 5
- 239000001257 hydrogen Substances 0.000 abstract description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 3
- 239000002019 doping agent Substances 0.000 abstract description 3
- 239000000376 reactant Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 51
- 235000012431 wafers Nutrition 0.000 description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000010453 quartz Substances 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000005524 hole trap Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- BUMGIEFFCMBQDG-UHFFFAOYSA-N dichlorosilicon Chemical compound Cl[Si]Cl BUMGIEFFCMBQDG-UHFFFAOYSA-N 0.000 description 1
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- -1 silane (SiH 4 ) Chemical compound 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000009279 wet oxidation reaction 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
- H01L21/02—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
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/0223—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate
- H01L21/02233—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer
- H01L21/02236—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer group IV semiconductor
- H01L21/02238—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer group IV semiconductor silicon in uncombined form, i.e. pure silicon
-
- 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
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/02255—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by thermal treatment
Landscapes
- 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)
- Formation Of Insulating Films (AREA)
Abstract
Description
Claims (12)
- 500℃~700℃의 O2+O3분위기에서 웨이퍼를 열산화시키는 예비 산화단계; 및상기 예비산화단계를 수행한 상기 웨이퍼를 900℃~1100℃이 O2+O3, N2O, H2O의 분위기에서 열산화시키는 주산화단계를 구비하여 이루어진 것을 특징으로 하는 산화막의 형성방법.
- 제1항에 있어서, 상기 예비산화단계는 5분~20분 동안 수행되는 것을 특징으로 하는 산화막의 형성방법.
- 제2항에 있어서, 상기 주산화단계는 15초~600초 동안 수행되는 것을 특징으로 하는 산화막의 형성방법.
- 제3항에 있어서, 상기 주산화단계는 50torr~760torr의 압력하에서 수행되는 것을 특징으로 하는 산화막의 형성방법.
- 웨이퍼 표면을 예비산화시키는 하부로;상기 하부로가 연장되어 상기 하부로의 상부에 위치하고 상기 예비산화된 웨이퍼 표면을 주산화시키는 상부로;상기 하부로 내부의 온도를 조절하기 위하여 상기 하부로의 외부에 설치된 하부히터;상기 상부로 내부의 온도를 조절하기 위하여 상기 상부로의 외부에 설치된 상부히터;상기 상부히터로부터 발생되는 복사열이 상기 하부로로 전달되는 것을 차단시키기 위하여 상기 상부히터의 하부에 설치된 열차단부;상기 하부로의 하부 개구부와 접속되고 상기 하부로 및 상기 상부로로 구성되는 챔버부로 웨이퍼를 로딩시키거나 언로딩시키는 웨이퍼로딩부;상기 웨이퍼로딩부를 구동시키는 구동부;상기 챔버부와 연통되어 상기 챔버부의 진공압력을 유지함과 동시에 산화반응 후의 잔류가스를 외부로 배출시키기 위한 배기부; 및산화를 위한 반응가스들을 상기 챔버부로 공급하는 가스공급부를 구비하여 이루어진 것을 특징으로 하는 산화막의 형성장치.
- 제5항에 있어서, 상기 상부로는 700℃~1100℃ 범위의 온도 제어가 가능하고, 상기 하부로는 400℃~800℃ 범위의 온도제어가 가능하도록 된 것을 특징으로 하는 산화막의 형성장치.
- 제6항에 있어서, 상기 상부로는 50torr~760torr의 진공압력을 유지할 수 있도록 된 것을 특징으로 하는 산화막의 형성장치.
- 제7항에 있어서, 상기 가스공급부는 O2+O3가스와 N2O 가스 및 H2O를 상기 챔버부로 공급하는 것을 특징으로 하는 산화막의 형성장치.
- 제5항에 있어서, 상기 웨이퍼로딩부는 웨이퍼를 저장한 카세트가 놓여져 있는 록 챔버와, 상기 카세트의 웨이퍼를 이송하기 위한 트랜스퍼 암과, 상기 트랜스퍼 암으로 부터 이송되어 온 웨이퍼를 상기 챔버부로 로딩하기 위한 보트를 구비하여 이루어진 것을 특징으로 하는 산화막의 형성장치.
- 제9항에 있어서, 상기 구동부는 웨이퍼가 로딩된 상기 보트를 상기 챔버부로 이송하기 위한 트랜스퍼 로드와 상기 트랜스퍼 로드를 동작시키는 리프터를 구비하여 이루어진 것을 특징으로 하는 산화막의 형성장치.
- 제10항에 있어서, 상기 트랜스퍼 로드와 리프터간의 동력전달은 영구자석에 의한 마그네틱 커플링에 의해 이루어지는 것을 특징으로 하는 산화막의 형성장치.
- 제10항에 있어서, 상기 구동부는 상기 보트를 상기 챔버부의 하부로와 상부로로 단계적으로 이동시키는 것을 특징으로 하는 산화막의 형성장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019960025936A KR100219486B1 (ko) | 1996-06-29 | 1996-06-29 | 산화막의 형성방법 및 그 장치 |
Applications Claiming Priority (1)
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KR1019960025936A KR100219486B1 (ko) | 1996-06-29 | 1996-06-29 | 산화막의 형성방법 및 그 장치 |
Publications (2)
Publication Number | Publication Date |
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KR980005855A KR980005855A (ko) | 1998-03-30 |
KR100219486B1 true KR100219486B1 (ko) | 1999-09-01 |
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KR1019960025936A KR100219486B1 (ko) | 1996-06-29 | 1996-06-29 | 산화막의 형성방법 및 그 장치 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100687410B1 (ko) * | 2005-12-28 | 2007-02-26 | 동부일렉트로닉스 주식회사 | 반도체 소자의 게이트 산화막 형성방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100706790B1 (ko) * | 2005-12-01 | 2007-04-12 | 삼성전자주식회사 | 산화 처리 장치 및 방법 |
-
1996
- 1996-06-29 KR KR1019960025936A patent/KR100219486B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100687410B1 (ko) * | 2005-12-28 | 2007-02-26 | 동부일렉트로닉스 주식회사 | 반도체 소자의 게이트 산화막 형성방법 |
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Publication number | Publication date |
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KR980005855A (ko) | 1998-03-30 |
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