KR102095982B1 - 기판 처리 장치 및 기판 처리 방법 - Google Patents
기판 처리 장치 및 기판 처리 방법 Download PDFInfo
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- KR102095982B1 KR102095982B1 KR1020170107029A KR20170107029A KR102095982B1 KR 102095982 B1 KR102095982 B1 KR 102095982B1 KR 1020170107029 A KR1020170107029 A KR 1020170107029A KR 20170107029 A KR20170107029 A KR 20170107029A KR 102095982 B1 KR102095982 B1 KR 102095982B1
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- 239000000758 substrate Substances 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000012545 processing Methods 0.000 claims abstract description 29
- 238000005530 etching Methods 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 15
- 238000003672 processing method Methods 0.000 claims abstract description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 8
- 229920005591 polysilicon Polymers 0.000 claims abstract description 8
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 7
- 239000011737 fluorine Substances 0.000 claims abstract description 6
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000007789 gas Substances 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 23
- 239000012159 carrier gas Substances 0.000 claims description 4
- 230000005281 excited state Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 description 27
- 230000005284 excitation Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 4
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 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 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000001039 wet etching Methods 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
- H01L21/04—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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
-
- 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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- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67069—Apparatus for fluid treatment for etching for drying etching
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
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- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
도 2는 도 1의 공정 모듈에 제공될 수 있는 식각 모듈을 나타내는 도면이다.
도 3은 기판이 처리되는 상태를 나타내는 도면이다.
도 4는 기판의 주위에 수증기 층이 형성된 상태를 나타내는 도면이다.
도 5는 챔버의 내부 압력 변화를 나타내는 도면이다.
21: 이송프레임 25: 제 1 이송로봇
30: 공정 처리실 40: 로드락 챔버
50: 트랜스퍼 챔버 60: 공정 모듈
200a: 플라즈마 모듈 2100: 챔버
2110: 바디 2200: 서셉터
Claims (11)
- 폴리실리콘에 대한 실리콘 산화막을 선택적으로 식각하되,
기판이 제공된 챔버 내부로 수증기를 공급하여 기판의 주위에 수증기 층을 형성하는 단계와;
상기 수증기 층 형성 단계 이후에 상기 챔버 내부로 불소를 포함하는 공정 가스를 플라즈마 상태로 여기된 상태로 공급하여 상기 실리콘 산화막을 선택적으로 식각하는 식각 단계를 포함하되,
상기 수증기 층을 형성하는 단계에서 상기 기판은 설정 온도로 가열되며, 상기 챔버 내부 공간은 대기압보다 낮은 예비 압력으로 제공되고,
상기 식각 단계는 상기 예비 압력보다 더 높은 공정 압력에서 수행하며,
상기 공정 압력은 3 Torr 내지 30 Torr이고,
상기 공정 가스가 공급될 때, 상기 수증기는 계속 공급되는 상태이고,
상기 수증기는 기판의 상부에 위치되는 샤워 헤드를 거쳐 상기 기판에 분배되는 것인 기판 처리 방법. - 삭제
- 제1항에 있어서,
상기 수증기 층을 형성하는 단계에서 상기 수증기는 캐리어 가스와 혼합된 상태로 공급되는 기판 처리 방법. - 제1항에 있어서,
상기 수증기 층을 형성하는 단계에서 상기 기판은 설정 온도로 제어되는 기판 처리 방법. - 제1항에 있어서,
상기 식각 단계 이 후, 상기 기판을 설정 온도로 가열하는 열처리 단계를 더 포함하는 기판 처리 방법. - 제5항에 있어서,
상기 열처리는 상기 기판을 지지하는 서셉터를 가열하여 이루어 지는 기판 처리 방법. - 제5항에 있어서,
상기 열처리는 상기 샤워 헤드에 위치된 히터에 의해 이루어 지는 기판 처리 방법. - 상면이 개방되며 내부에 공간이 형성된 바디와 상기 바디의 상부에 제공되어 상기 바디의 내부를 밀폐하는 밀폐 커버를 포함하는 챔버;상기 바디의 내측에 위치되어, 기판을 지지하며, 상기 기판을 가열하는 가열 부재를 포함하는 서셉터;
상기 바디의 상부에 결합되고, 플레이트 형상이며, 상기 서셉터의 상면과 나란하게 배치되며 분배홀이 형성된 샤워 헤드;
상기 챔버의 내부로 수증기를 공급하는 수분 공급관;
상기 수증기에 의해 수증기 층이 형성된 상태에서, 상기 챔버의 내부로 불소를 포함하는 공정 가스를 플라즈마 상태로 여기된 상태로 공급하여 폴리 실리콘에 대해 실리콘 산화막이 선택적으로 식각되게 하는 공정 가스 공급부; 및
제어기를 포함하고,
상기 수증기는 상기 샤워 헤드를 거쳐 상기 기판에 분배되며,
상기 가열 부재는 상기 수증기 층이 형성될 때, 상기 기판을 설정 온도로 가열하고,
상기 챔버 내부의 압력은 조절될 수 있고,
상기 수증기 층이 형성될 때, 상기 챔버 내부 공간은 대기압보다 낮은 예비 압력으로 제공되고,
상기 실리콘 산화막이 식각될 때, 상기 챔버 내부 공간은 상기 예비 압력보다 더 높은 공정 압력으로 제공되며,
상기 공정 압력은 3 Torr 내지 30 Torr 이고,
상기 제어기는,
상기 공정 가스가 공급될 때 상기 수증기가 함께 공급되도록 상기 수분 공급관 및 상기 공정 가스 공급부를 제어하는 기판 처리 장치. - 삭제
- 제8항에 있어서,
상기 수분 공급관은 상기 수증기를 캐리어 가스와 혼합된 상태로 공급하는 기판 처리 장치. - 삭제
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KR102095982B1 true KR102095982B1 (ko) | 2020-04-02 |
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JP2005302897A (ja) * | 2004-04-08 | 2005-10-27 | Sony Corp | ハードエッチングマスクの除去方法および半導体装置の製造方法 |
JP2011091389A (ja) * | 2009-09-25 | 2011-05-06 | Hitachi Kokusai Electric Inc | 基板処理装置及び半導体装置の製造方法 |
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DE3650127T2 (de) * | 1985-08-28 | 1995-05-24 | Fsi Int Inc | Verfahren und vorrichtung zum entfernen von schichten von substraten. |
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JP2005302897A (ja) * | 2004-04-08 | 2005-10-27 | Sony Corp | ハードエッチングマスクの除去方法および半導体装置の製造方法 |
JP2011091389A (ja) * | 2009-09-25 | 2011-05-06 | Hitachi Kokusai Electric Inc | 基板処理装置及び半導体装置の製造方法 |
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