KR102430939B1 - 반도체 디바이스 제조시 고품질 실리콘 옥사이드 막들의 저온 형성 - Google Patents
반도체 디바이스 제조시 고품질 실리콘 옥사이드 막들의 저온 형성 Download PDFInfo
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- KR102430939B1 KR102430939B1 KR1020197011945A KR20197011945A KR102430939B1 KR 102430939 B1 KR102430939 B1 KR 102430939B1 KR 1020197011945 A KR1020197011945 A KR 1020197011945A KR 20197011945 A KR20197011945 A KR 20197011945A KR 102430939 B1 KR102430939 B1 KR 102430939B1
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- silicon oxide
- plasma
- oxide layer
- semiconductor substrate
- process chamber
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 149
- 229910052814 silicon oxide Inorganic materials 0.000 title claims abstract description 147
- 239000004065 semiconductor Substances 0.000 title claims abstract description 65
- 230000015572 biosynthetic process Effects 0.000 title description 15
- 238000004519 manufacturing process Methods 0.000 title description 13
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims abstract description 111
- 239000000758 substrate Substances 0.000 claims abstract description 92
- 238000009832 plasma treatment Methods 0.000 claims abstract description 45
- 229910052734 helium Inorganic materials 0.000 claims abstract description 27
- 239000001307 helium Substances 0.000 claims abstract description 26
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001257 hydrogen Substances 0.000 claims abstract description 13
- 239000011368 organic material Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 204
- 230000008569 process Effects 0.000 claims description 144
- 238000000151 deposition Methods 0.000 claims description 127
- 230000008021 deposition Effects 0.000 claims description 92
- 238000012545 processing Methods 0.000 claims description 63
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 40
- 239000010703 silicon Substances 0.000 claims description 40
- 229910052710 silicon Inorganic materials 0.000 claims description 40
- 239000002243 precursor Substances 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 31
- 239000000376 reactant Substances 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 20
- 239000001301 oxygen Substances 0.000 claims description 20
- 238000010926 purge Methods 0.000 claims description 14
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
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- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- 238000006731 degradation reaction Methods 0.000 description 2
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- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
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- 238000001459 lithography Methods 0.000 description 2
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- 238000009834 vaporization Methods 0.000 description 2
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001343 alkyl silanes Chemical class 0.000 description 1
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000012707 chemical precursor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
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- BUMGIEFFCMBQDG-UHFFFAOYSA-N dichlorosilicon Chemical compound Cl[Si]Cl BUMGIEFFCMBQDG-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 229910052605 nesosilicate Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 150000004762 orthosilicates Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000636 poly(norbornene) polymer Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- VEDJZFSRVVQBIL-UHFFFAOYSA-N trisilane Chemical compound [SiH3][SiH2][SiH3] VEDJZFSRVVQBIL-UHFFFAOYSA-N 0.000 description 1
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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
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
- H01L21/0234—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour treatment by exposure to a plasma
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- C—CHEMISTRY; METALLURGY
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- 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
- C23C16/22—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 deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
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- C23C16/402—Silicon dioxide
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- 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
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- 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
- C23C16/505—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 using radio frequency discharges
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- 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
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- 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
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Abstract
Description
도 2는 후-처리 없이 저온 PECVD를 사용하여 증착된 막들에 대한 응력 대 밀도의 실험적인 플롯이다.
도 3a 및 도 3b는 본 명세서에 제공된 실시예들에 따른 실리콘 옥사이드 형성 프로세스들을 위한 프로세스 흐름도들을 제공한다.
도 4는 본 명세서에 제공된 일부 실시예들에 따른, 실리콘 옥사이드 형성 프로세스를 위한 개략적인 타이밍도를 도시한다.
도 5는 본 명세서에 제공된 일부 실시예들에 따라 실리콘 옥사이드 막들을 형성하기 적합한 PECVD 장치의 개략적인 대표도이다.
도 6은 본 명세서에 제공된 일부 실시예들에 따라 실리콘 옥사이드 막들을 형성하기 적합한 멀티-스테이션 장치의 일 예의 개략적인 대표도이다.
도 7은 본 명세서에 제공된 실시예들에 따른, 후-처리와 함께 저온 PECVD를 사용하여 증착된 막들에 대한 응력 대 밀도의 실험적인 플롯이다.
도 8은 본 명세서에 개시된 실시예들에 의해 제공될 때 획득된 저-응력 실리콘 옥사이드 막의 FT IR 스펙트럼이다.
도 9a는 본 명세서에 제공된 실리콘 옥사이드 막들의 플라즈마 처리 동안 사용되는 압력에 대한 막 응력의 종속성을 예시하는 실험적 플롯이다.
도 9b는 본 명세서에 제공된 실리콘 옥사이드 막들에 대한 플라즈마 처리의 지속기간에 대한 막 응력의 종속성을 예시하는 실험적 플롯이다.
도 9c는 본 명세서에 제공된 상이한 두께들의 실리콘 옥사이드 막들에 대한 플라즈마 처리의 지속기간에 대한 막 응력의 종속성을 예시하는 실험적 플롯이다.
Claims (28)
- 반도체 기판을 프로세싱하는 방법에 있어서,
(a) PECVD 프로세스 챔버에 반도체 기판을 제공하는 단계;
(b) 200 ℃보다 낮은 온도에서 PECVD에 의해 상기 반도체 기판 상에 실리콘 옥사이드 층을 증착하는 단계로서, 상기 증착하는 단계는 실리콘-함유 전구체 및 산소-함유 반응물질을 상기 PECVD 프로세스 챔버 내로 흘리는 단계 및 플라즈마를 형성하는 단계를 포함하는, 상기 증착하는 단계;
(c) 증착 후에 상기 실리콘-함유 전구체의 플로우를 중단시키는 단계; 및
(d) 상기 증착된 층을 개질하고 (modify) 80 MPa보다 낮은 절대 값으로 상기 증착된 층의 응력을 감소시키기 위해 200 ℃보다 낮은 온도에서 상기 증착된 실리콘 옥사이드 층을 플라즈마로 처리하는 단계를 포함하고,
상기 단계 (d) 에서 상기 실리콘 옥사이드 층의 상기 플라즈마 처리는 상기 실리콘 옥사이드 층에서 수소의 함량을 감소시키는, 반도체 기판을 프로세싱하는 방법. - 제 1 항에 있어서,
플라즈마 생성을 위해 사용되는 전력을 상기 단계 (b) 에서 사용된 제 1 전력 레벨로부터 상기 단계 (d) 에서 사용된 제 2, 보다 높은 전력 레벨로 상승시키는 단계를 더 포함하는, 반도체 기판을 프로세싱하는 방법. - 제 1 항에 있어서,
상기 단계 (d) 는 본질적으로 헬륨으로 구성된 프로세스 가스에서 형성된 플라즈마로 상기 증착된 실리콘 옥사이드 층을 처리하는 단계를 포함하는, 반도체 기판을 프로세싱하는 방법. - 제 1 항에 있어서,
상기 단계 (a) 에서 제공된 상기 반도체 기판은 250 ℃ 이상의 온도들에 민감한 하나 이상의 온도-민감 재료 층들을 포함하는, 반도체 기판을 프로세싱하는 방법. - 제 4 항에 있어서,
상기 온도-민감 재료는 유기 재료인, 반도체 기판을 프로세싱하는 방법. - 제 4 항에 있어서,
상기 온도-민감 재료는 스핀-온 유전체인, 반도체 기판을 프로세싱하는 방법. - 제 1 항에 있어서,
상기 실리콘 옥사이드 층의 상기 증착은 180 ℃보다 낮은 온도에서 수행되는, 반도체 기판을 프로세싱하는 방법. - 제 1 항에 있어서,
상기 단계 (d) 후에 획득된 상기 실리콘 옥사이드 층의 상기 응력의 절대 값은 50 MPa보다 낮은, 반도체 기판을 프로세싱하는 방법. - 제 1 항에 있어서,
상기 단계 (d) 후에 획득된 상기 실리콘 옥사이드 층의 상기 응력의 절대 값은 10 MPa보다 낮은, 반도체 기판을 프로세싱하는 방법. - 삭제
- 반도체 기판을 프로세싱하는 방법에 있어서,
(a) PECVD 프로세스 챔버에 반도체 기판을 제공하는 단계;
(b) 200 ℃보다 낮은 온도에서 PECVD에 의해 상기 반도체 기판 상에 실리콘 옥사이드 층을 증착하는 단계로서, 상기 증착하는 단계는 실리콘-함유 전구체 및 산소-함유 반응물질을 상기 PECVD 프로세스 챔버 내로 흘리는 단계 및 플라즈마를 형성하는 단계를 포함하는, 상기 증착하는 단계;
(c) 증착 후에 상기 실리콘-함유 전구체의 플로우를 중단시키는 단계; 및
(d) 상기 증착된 층을 개질하고 80 MPa보다 낮은 절대 값으로 상기 증착된 층의 응력을 감소시키기 위해 200 ℃보다 낮은 온도에서 상기 증착된 실리콘 옥사이드 층을 플라즈마로 처리하는 단계를 포함하고,
상기 단계 (d) 에서 플라즈마 처리 후에 획득된 상기 실리콘 옥사이드는 IR 스펙트럼 상에서 2200 내지 2300 cm-1에서 Si-H 피크를 갖지 않는, 반도체 기판을 프로세싱하는 방법. - 반도체 기판을 프로세싱하는 방법에 있어서,
(a) PECVD 프로세스 챔버에 반도체 기판을 제공하는 단계;
(b) 200 ℃보다 낮은 온도에서 PECVD에 의해 상기 반도체 기판 상에 실리콘 옥사이드 층을 증착하는 단계로서, 상기 증착하는 단계는 실리콘-함유 전구체 및 산소-함유 반응물질을 상기 PECVD 프로세스 챔버 내로 흘리는 단계 및 플라즈마를 형성하는 단계를 포함하는, 상기 증착하는 단계;
(c) 증착 후에 상기 실리콘-함유 전구체의 플로우를 중단시키는 단계; 및
(d) 상기 증착된 층을 개질하고 80 MPa보다 낮은 절대 값으로 상기 증착된 층의 응력을 감소시키기 위해 200 ℃보다 낮은 온도에서 상기 증착된 실리콘 옥사이드 층을 플라즈마로 처리하는 단계를 포함하고,
상기 단계 (b) 후 그리고 상기 단계 (c) 전에 상기 플라즈마를 유지하는 단계를 포함하는, 반도체 기판을 프로세싱하는 방법. - 제 1 항에 있어서,
상기 단계 (b) 후 그리고 상기 단계 (d) 전에 상기 프로세스 챔버로부터 상기 실리콘-함유 전구체를 제거하기 위해 상기 PECVD 프로세스 챔버를 퍼지하는 단계를 더 포함하는, 반도체 기판을 프로세싱하는 방법. - 제 1 항에 있어서,
상기 단계 (b) 는 상기 PECVD 프로세스 챔버 내로 불활성 가스를 흘리는 단계를 더 포함하는, 반도체 기판을 프로세싱하는 방법. - 제 14 항에 있어서,
상기 실리콘-함유 전구체는 SiH4이고, 상기 산소-함유 반응물질은 CO2이고, 상기 불활성 가스는 He인, 반도체 기판을 프로세싱하는 방법. - 제 1 항에 있어서,
상기 단계 (b) 는 1.5 내지 5 Torr의 압력에서 수행되는, 반도체 기판을 프로세싱하는 방법. - 제 1 항에 있어서,
상기 단계 (b) 및 상기 단계 (d) 는 실질적으로 동일한 압력 및 온도에서 동일한 PECVD 프로세스 챔버에서 수행되는, 반도체 기판을 프로세싱하는 방법. - 반도체 기판을 프로세싱하는 방법에 있어서,
(a) PECVD 프로세스 챔버에 반도체 기판을 제공하는 단계;
(b) 200 ℃보다 낮은 온도에서 PECVD에 의해 상기 반도체 기판 상에 실리콘 옥사이드 층을 증착하는 단계로서, 상기 증착하는 단계는 실리콘-함유 전구체 및 산소-함유 반응물질을 상기 PECVD 프로세스 챔버 내로 흘리는 단계 및 플라즈마를 형성하는 단계를 포함하는, 상기 증착하는 단계;
(c) 증착 후에 상기 실리콘-함유 전구체의 플로우를 중단시키는 단계; 및
(d) 상기 증착된 층을 개질하고 80 MPa보다 낮은 절대 값으로 상기 증착된 층의 응력을 감소시키기 위해 200 ℃보다 낮은 온도에서 상기 증착된 실리콘 옥사이드 층을 플라즈마로 처리하는 단계를 포함하고,
상기 단계 (b) 내지 상기 단계 (d) 는 멀티-스테이션 PECVD 장치의 제 1 스테이션에서 수행되고, 상기 방법은 상기 단계 (d) 후에 멀티-스테이션 PECVD 장치의 제 2 스테이션으로 상기 반도체 기판을 이동시키는 단계, 및 상기 멀티-스테이션 PECVD 장치의 상기 제 2 스테이션에서 상기 단계 (b) 내지 상기 단계 (d) 를 반복하는 단계를 더 포함하는, 반도체 기판을 프로세싱하는 방법. - 제 1 항에 있어서,
상기 반도체 기판에 포토레지스트를 도포하는 단계;
상기 포토레지스트를 광에 노출하는 단계;
상기 포토레지스트를 패터닝하고 상기 패턴을 상기 반도체 기판에 전사하는 단계; 및
상기 반도체 기판으로부터 상기 포토레지스트를 선택적으로 제거하는 단계를 더 포함하는, 반도체 기판을 프로세싱하는 방법. - 반도체 기판을 프로세싱하는 방법에 있어서,
(a) PECVD 프로세스 챔버에 반도체 기판을 제공하는 단계;
(b) 200 ℃보다 낮은 온도에서 PECVD에 의해 상기 반도체 기판 상에 실리콘 옥사이드 층을 증착하는 단계;
(c) 증착 후에 실리콘-함유 전구체의 플로우를 중단시키는 단계; 및
(d) 상기 증착된 층을 개질하고 80 MPa보다 낮은 절대 값으로 상기 증착된 층의 응력을 감소시키기 위해 200 ℃보다 낮은 온도에서 상기 증착된 실리콘 옥사이드 층을 180 ㎚ 이하의 파장을 갖는 UV 광 및 플라즈마로 처리하는 단계를 포함하고,
상기 UV 광은 상기 플라즈마에서 형성되고,
상기 단계 (d) 에서 상기 실리콘 옥사이드 층의 상기 플라즈마 처리는 상기 실리콘 옥사이드 층에서 수소의 함량을 감소시키는, 반도체 기판을 프로세싱하는 방법. - 반도체 기판 상의 실리콘 옥사이드 막들의 증착 및 플라즈마 처리를 위한 장치에 있어서,
(a) 증착 동안 반도체 기판을 제자리에 홀딩하기 위한 기판 지지부를 포함하는 PECVD 프로세스 챔버;
(b) 상기 PECVD 프로세스 챔버를 위한 플라즈마를 생성하기 위한 플라즈마 생성기; 및
(c) 제어기로서,
(i) 상기 PECVD 프로세스 챔버 내에서 200 ℃보다 낮은 온도에서 상기 반도체 기판 상에 실리콘 옥사이드 층을 증착하기 위한 프로그램 인스트럭션으로서, 상기 증착하기 위한 프로그램 인스트럭션은 실리콘-함유 전구체 및 산소-함유 반응물질을 상기 PECVD 프로세스 챔버 내로 흘리기 위한 인스트럭션 및 플라즈마를 형성하기 위한 인스트럭션을 포함하는, 상기 증착하기 위한 프로그램 인스트럭션;
(ii) 증착 후에 상기 실리콘-함유 전구체의 플로우를 중단시키기 위한 프로그램 인스트럭션; 및
(iii) 상기 증착된 층을 개질하고 80 MPa보다 낮은 절대 값으로 상기 증착된 층의 응력을 감소시키기 위해 200 ℃보다 낮은 온도에서 상기 증착된 실리콘 옥사이드 층을 플라즈마로 처리하기 위한 프로그램 인스트럭션을 포함하는, 상기 제어기를 포함하고,
상기 프로그램 인스트럭션 (iii) 에서 상기 실리콘 옥사이드 층의 상기 플라즈마 처리는 상기 실리콘 옥사이드 층에서 수소의 함량을 감소시키는, 장치. - 제 21 항에 있어서,
상기 프로그램 인스트럭션들은 플라즈마 생성을 위해 사용된 전력을 상기 인스트럭션 (i) 에서 사용된 제 1 전력 레벨로부터 상기 인스트럭션 (iii) 에서 사용된 제 2, 보다 높은 전력 레벨로 상승시키기 위한 인스트럭션들을 포함하는, 장치. - 반도체 기판 상의 실리콘 옥사이드 막들의 증착 및 UV 처리를 위한 장치에 있어서,
(a) 증착 동안 반도체 기판을 제자리에 홀딩하기 위한 기판 지지부를 포함하는 PECVD 프로세스 챔버;
(b) 상기 PECVD 프로세스 챔버를 위한 플라즈마를 생성하기 위한 플라즈마 생성기;
(c) 180 ㎚ 이하의 파장을 갖는 UV 복사선을 생성하게 구성된 생성기; 및
(d) 제어기로서,
(i) 상기 PECVD 프로세스 챔버 내에서 200 ℃보다 낮은 온도에서 상기 반도체 기판 상에 실리콘 옥사이드 층을 증착하기 위한 프로그램 인스트럭션으로서, 상기 증착하기 위한 프로그램 인스트럭션은 실리콘-함유 전구체 및 산소-함유 반응물질을 상기 PECVD 프로세스 챔버 내로 흘리기 위한 인스트럭션 및 플라즈마를 형성하기 위한 인스트럭션을 포함하는, 상기 증착하기 위한 프로그램 인스트럭션;
(ii) 증착 후에 상기 실리콘-함유 전구체의 플로우를 중단시키기 위한 프로그램 인스트럭션; 및
(iii) 상기 증착된 층을 개질하고 80 MPa보다 낮은 절대 값으로 상기 증착된 층의 응력을 감소시키기 위해 200 ℃보다 낮은 온도에서 상기 증착된 실리콘 옥사이드 층을 180 ㎚ 이하의 파장을 갖는 UV 광 및 플라즈마로 처리하기 위한 프로그램 인스트럭션을 포함하고,
상기 UV 광은 상기 플라즈마에서 형성되고,
상기 프로그램 인스트럭션 (iii) 에서 상기 실리콘 옥사이드 층의 상기 플라즈마 처리는 상기 실리콘 옥사이드 층에서 수소의 함량을 감소시키는, 상기 제어기를 포함하는, 장치. - 제 23 항에 있어서,
상기 UV 복사선을 생성하게 구성된 생성기는 상기 PECVD 프로세스 챔버 내에 있는, 장치. - 제 23 항에 있어서,
상기 UV 복사선을 생성하게 구성된 생성기는 상기 PECVD 프로세스 챔버와 상이한 프로세스 챔버 내에 있는, 장치. - 제 21 항 또는 제 23 항에 기재된 장치 및 스텝퍼를 포함하는, 시스템.
- (i) PECVD 프로세스 챔버 내에서 200 ℃보다 낮은 온도에서 반도체 기판 상에 실리콘 옥사이드 층을 증착하기 위한 코드로서, 상기 증착하기 위한 코드는 실리콘-함유 전구체 및 산소-함유 반응물질을 상기 PECVD 프로세스 챔버 내로 흘리기 위한 프로그램 인스트럭션 및 플라즈마를 형성하기 위한 프로그램 인스트럭션을 포함하는, 상기 증착하기 위한 코드;
(ii) 증착 후에 상기 실리콘-함유 전구체의 플로우를 중단시키기 위한 코드; 및
(iii) 상기 증착된 층을 개질하고 80 MPa보다 낮은 절대 값으로 상기 증착된 층의 응력을 감소시키기 위해 200 ℃보다 낮은 온도에서 상기 증착된 실리콘 옥사이드 층을 180 ㎚ 이하의 파장을 갖는 UV 광 및 플라즈마로 처리하기 위한 코드를 포함하고,
상기 UV 광은 상기 플라즈마에서 형성되고,
상기 코드 (iii) 에서 상기 실리콘 옥사이드 층의 상기 플라즈마 처리는 상기 실리콘 옥사이드 층에서 수소의 함량을 감소시키는, 비일시적인 컴퓨터 머신-판독가능 매체. - (i) PECVD 프로세스 챔버 내에서 200 ℃보다 낮은 온도에서 반도체 기판 상에 실리콘 옥사이드 층을 증착하기 위한 코드로서, 상기 증착하기 위한 코드는 실리콘-함유 전구체 및 산소-함유 반응물질을 상기 PECVD 프로세스 챔버 내로 흘리기 위한 프로그램 인스트럭션 및 플라즈마를 형성하기 위한 프로그램 인스트럭션을 포함하는, 상기 증착하기 위한 코드;
(ii) 증착 후에 상기 실리콘-함유 전구체의 플로우를 중단시키기 위한 코드; 및
(iii) 상기 증착된 층을 개질하고 80 MPa보다 낮은 절대 값으로 상기 증착된 층의 응력을 감소시키기 위해 200 ℃보다 낮은 온도에서 상기 증착된 실리콘 옥사이드 층을 플라즈마로 처리하기 위한 코드를 포함하고,
상기 코드 (iii) 에서 상기 실리콘 옥사이드 층의 상기 플라즈마 처리는 상기 실리콘 옥사이드 층에서 수소의 함량을 감소시키는, 비일시적인 컴퓨터 머신-판독가능 매체.
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