KR100627919B1 - 실리콘웨이퍼의 열처리방법 및 실리콘웨이퍼 - Google Patents
실리콘웨이퍼의 열처리방법 및 실리콘웨이퍼 Download PDFInfo
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- KR100627919B1 KR100627919B1 KR1020007005026A KR20007005026A KR100627919B1 KR 100627919 B1 KR100627919 B1 KR 100627919B1 KR 1020007005026 A KR1020007005026 A KR 1020007005026A KR 20007005026 A KR20007005026 A KR 20007005026A KR 100627919 B1 KR100627919 B1 KR 100627919B1
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- heat treatment
- silicon wafer
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 64
- 239000010703 silicon Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 140
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000001816 cooling Methods 0.000 claims abstract description 38
- 239000001257 hydrogen Substances 0.000 claims abstract description 34
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 34
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 35
- 239000007789 gas Substances 0.000 claims description 18
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 16
- 229910052786 argon Inorganic materials 0.000 claims description 8
- 238000010306 acid treatment Methods 0.000 claims description 6
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 6
- 238000011109 contamination Methods 0.000 abstract description 13
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000011261 inert gas Substances 0.000 abstract description 4
- 235000012431 wafers Nutrition 0.000 description 106
- 239000010408 film Substances 0.000 description 36
- 230000008569 process Effects 0.000 description 14
- 229910004298 SiO 2 Inorganic materials 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010409 thin film Substances 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
- H01L21/3247—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering for altering the shape, e.g. smoothing the surface
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/322—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections
- H01L21/3221—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections of silicon bodies, e.g. for gettering
- H01L21/3225—Thermally inducing defects using oxygen present in the silicon body for intrinsic gettering
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
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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)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
열처리조건(℃·초) | 마이크로러프니스 | |
RMS(nm) | P-V(nm) | |
1000· 1 1000· 5 1000·10 1000·30 | 0.13 0.09 0.10 0.09 | 1.02 0.83 0.88 0.74 |
1050· 1 1050· 5 1050·10 1050·30 | 0.10 0.09 0.10 0.10 | 1.06 0.71 0.86 0.83 |
1100· 1 1100· 5 1100·10 1100·30 | 0.09 0.11 0.10 0.11 | 0.80 0.93 0.80 1.05 |
1150· 1 1150· 5 1150·10 1150·30 | 0.10 0.11 0.12 0.11 | 0.81 0.86 0.85 0.90 |
1200· 1 1200· 5 1200·10 1200·30 | 0.11 0.11 0.10 0.11 | 1.00 1.17 0.96 0.87 |
참조: 경면웨이퍼 | 0.13 | 1.10 |
주사영역: 2㎛×2㎛ |
열처리조건(℃·초) | 마이크로러프니스 | |
RMS(nm) | P-V(nm) | |
1000· 1 1000· 5 1000·10 1000·30 | 0.13 0.14 0.12 0.12 | 1.14 1.12 1.00 3.12 |
1050· 1 1050· 5 1050·10 1050·30 | 0.13 0.22 0.31 0.36 | 3.84 3.02 2.68 2.33 |
1100· 1 1100· 5 1100·10 1100·30 | 0.28 0.30 0.16 0.14 | 2.39 2.05 1.11 1.15 |
1150· 1 1150· 5 1150·10 1150·30 | 0.17 0.13 0.13 0.11 | 1.29 1.12 1.09 0.89 |
1200· 1 1200· 5 1200·10 1200·30 | 0.13 0.12 0.11 0.11 | 1.16 0.93 0.88 0.84 |
참조: 경면웨이퍼 | 0.13 | 1.10 |
주사영역: 2㎛×2㎛ |
이들 도면과 표로 부터 실험결과를 고찰하면, 자연산화막이 존재하는 경우(불산처리를 행하지 않은 경우), 수소아닐온도가 1000~1150℃의 범위에서는 마이크로러프니스는 RMS값도 P-V값도 거의 악화하는 경향 또는 동등(개선되지 않음)의 결과를 나타내었다. 이것은, 수소에 의해 자연산화막의 박막부가 국소적으로 에칭되어, 보다 빠른 속도로 Si층이 에칭됨으로써 피트(pits)가 발생하기 때문인 것으로 생각된다.
일련의 실험결과를 도5,도6 및 도7에 나타낸다. 도5는 수소가스농도와 헤이즈의 관계를 열처리온도별로 나타내고 있다. 도6은 수소가스농도와 마이크로러프니스의 P-V값의 관계를 열처리온도별로, 도7은 수소가스농도와 마이크로러프니스의 RMS값과의 관계를 열처리온도별로 나타내고 있다.
Claims (6)
- 급속가열·급속냉각장치를 이용하여 실리콘웨이퍼를 환원성분위기하에서 열처리하는 방법에 있어서, 상기 실리콘웨이퍼 표면상의 자연산화막을 제거한 후 급속가열·급속냉각장치를 이용하여, 수소 100% 또는 수소를 10% 이상 함유하는 아르곤 및/또는 질소와의 혼합가스분위기하에서 온도 950~1150℃에서 1~300초간 열처리하는 것을 특징으로 하는 실리콘웨이퍼의 열처리방법
- 삭제
- 제1항에 있어서, 상기 자연산화막의 제거를 불산처리에 의해 행하는 것을 특징으로 하는 실리콘웨이퍼의 열처리방법
- 제1항에 기재된 열처리방법에 의해 열처리된 실리콘웨이퍼
- 삭제
- 제3항에 기재된 열처리방법에 의해 열처리된 실리콘웨이퍼
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10-279367 | 1998-09-14 | ||
JP27936798A JP3478141B2 (ja) | 1998-09-14 | 1998-09-14 | シリコンウエーハの熱処理方法及びシリコンウエーハ |
Publications (2)
Publication Number | Publication Date |
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KR20010031923A KR20010031923A (ko) | 2001-04-16 |
KR100627919B1 true KR100627919B1 (ko) | 2006-09-25 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020007005026A KR100627919B1 (ko) | 1998-09-14 | 1999-09-07 | 실리콘웨이퍼의 열처리방법 및 실리콘웨이퍼 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6391796B1 (ko) |
EP (1) | EP1041612A4 (ko) |
JP (1) | JP3478141B2 (ko) |
KR (1) | KR100627919B1 (ko) |
TW (1) | TW533509B (ko) |
WO (1) | WO2000016386A1 (ko) |
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1998
- 1998-09-14 JP JP27936798A patent/JP3478141B2/ja not_active Expired - Lifetime
-
1999
- 1999-09-07 EP EP99940695A patent/EP1041612A4/en not_active Withdrawn
- 1999-09-07 WO PCT/JP1999/004841 patent/WO2000016386A1/ja active IP Right Grant
- 1999-09-07 KR KR1020007005026A patent/KR100627919B1/ko not_active IP Right Cessation
- 1999-09-07 US US09/530,602 patent/US6391796B1/en not_active Expired - Lifetime
- 1999-09-10 TW TW088115677A patent/TW533509B/zh not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08264552A (ja) * | 1995-03-24 | 1996-10-11 | Toshiba Ceramics Co Ltd | シリコンウエーハの製造方法 |
Non-Patent Citations (1)
Title |
---|
Journal of Crystal Growth, Volume 186, 1. March 1998, Pages 104-112, "In situ cleaning method for silicon surface using hydrogen fluoride gas and hydrogen chloride gas in a hydrogen ambient" * |
Also Published As
Publication number | Publication date |
---|---|
EP1041612A4 (en) | 2001-01-10 |
WO2000016386A1 (fr) | 2000-03-23 |
JP2000091342A (ja) | 2000-03-31 |
TW533509B (en) | 2003-05-21 |
JP3478141B2 (ja) | 2003-12-15 |
US6391796B1 (en) | 2002-05-21 |
EP1041612A1 (en) | 2000-10-04 |
KR20010031923A (ko) | 2001-04-16 |
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