KR100604107B1 - 플라즈마 에칭 시스템 - Google Patents
플라즈마 에칭 시스템 Download PDFInfo
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- KR100604107B1 KR100604107B1 KR1020007009869A KR20007009869A KR100604107B1 KR 100604107 B1 KR100604107 B1 KR 100604107B1 KR 1020007009869 A KR1020007009869 A KR 1020007009869A KR 20007009869 A KR20007009869 A KR 20007009869A KR 100604107 B1 KR100604107 B1 KR 100604107B1
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- 238000009434 installation Methods 0.000 title 1
- 239000000758 substrate Substances 0.000 claims abstract description 39
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- 230000005672 electromagnetic field Effects 0.000 abstract description 2
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- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
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- 229910052782 aluminium Inorganic materials 0.000 description 4
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011856 silicon-based particle Substances 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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32082—Radio frequency generated discharge
- H01J37/321—Radio frequency generated discharge the radio frequency energy being inductively coupled to the plasma
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Plasma Technology (AREA)
- Drying Of Semiconductors (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Electron Sources, Ion Sources (AREA)
Abstract
Description
Claims (15)
- 제 1 코일 단부(20, 20')와 제 2 코일 단부(21, 21')를 갖는 ICP 코일(6)의 사용 하에, 고밀도 플라즈마(8)를 이용하여 반응기(2)에서 기판(9)을 에칭하기 위한 플라즈마 처리 시스템으로서, 상기 코일 단부들은 각각 해당하는 제 1 공급 전압점(32) 및, 해당하는 제 2 공급 전압점(31)을 통해 고주파 공급부(23)에 연결되며, 상기 코일 단부들 각각에는 상기 공급 전압점(31, 32)을 통해 동일한 주파수의 고주파 교류 전압이 인가되는 플라즈마 처리 시스템에 있어서,상기 제 1 공급 전압점(32)과 상기 제 2 공급 전압점(31)은 λ/2 지연 라인(30)을 통해 서로 연결되므로, 상기 양 코일 단부(20, 20', 21, 21')에 인가된 양 고주파 교류 전압은 서로 적어도 거의 역위상을 갖는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항에 있어서, 상기 양 코일 단부(20, 20', 21, 21')에 인가된 두 교류 전압이 적어도 거의 동일한 진폭을 갖는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항에 있어서, 상기 ICP 코일(6)이 단지 하나의 권선을 갖는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항에 있어서, 상기 ICP 코일(6)이 상기 반응기(2)의 영역을 적어도 실질적으로 둘러싸는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항에 있어서, 상기 반응기(2) 내에서 고밀도 플라즈마(8)를 발생시키기 위한 지점인 플라즈마 소스(18)와 상기 기판(9) 사이에 개구(13)가 제공되는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항에 있어서, 상기 기판(9)은 고주파 전압 소스(12)에 연결된 기판 전극(10) 위에 배치되는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항에 있어서, 고주파 교류 전압은 상기 ICP 코일(6)에 의해 형성된 코일 평면(41)에 대해 평행하게 연장된 전기 도체(40)를 통해, 상기 제 1 코일 단부(20, 20')와 상기 제 2 코일 단부(21, 21')에 인가되는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항에 있어서, 상기 ICP 코일(6) 및/또는 상기 반응기(2) 주위에서 발생하는 전류는 상기 ICP 코일(6)에 의해 형성된 코일 평면(41)에 평행하게 연장되도록 안내되는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항에 있어서, 상기 양 공급 전압점(30, 31) 및 이들 공급 전압점에 연결된 상기 양 코일 단부(20', 21') 사이에는 임피던스 매칭을 위한 전기 회로가 제공되는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 9 항에 있어서, 상기 전기 회로는 커패시터(24, 25, 26, 27)를 갖는 용량성 네트워크인 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 10 항에 있어서, 상기 용량성 네트워크는 적어도 실질적으로 대칭이며 특히 조정될 수 있는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항에 있어서, 상기 ICP 코일(6)의 코일 중심(42)은 접지되는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항 또는 4 항에 있어서, 상기 ICP 코일(6)은, 특히 원형 세라믹 통으로 구현된 상기 반응기(2)를, 상기 코일 단부들(20, 20', 21, 21')이 상기 반응기(2)로부터 최대 간격을 갖도록, 둘러싸는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항에 있어서, 상기 기판(9) 및/또는 상기 ICP 코일(6)은 상기 기판(9) 과 상기 ICP 코일(6) 사이의 간격이 코일 평면(41)에 대해 수직으로 최대가 되도록, 배치되는 것을 특징으로 하는 플라즈마 처리 시스템.
- 제 1 항에 있어서, 상기 반응기(2)에서 발생된 플라즈마 소스(18)로서의 고밀도 플라즈마(8)와 상기 기판(9) 사이에서, 환형 금속 스페이서 부재(11)가 반응기 측벽(7) 내로 삽입되는 것을 특징으로 하는 플라즈마 처리 시스템.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19900179A DE19900179C1 (de) | 1999-01-07 | 1999-01-07 | Plasmaätzanlage |
DE19900179.0 | 1999-01-07 |
Publications (2)
Publication Number | Publication Date |
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KR20010096474A KR20010096474A (ko) | 2001-11-07 |
KR100604107B1 true KR100604107B1 (ko) | 2006-07-26 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020007009869A KR100604107B1 (ko) | 1999-01-07 | 1999-12-31 | 플라즈마 에칭 시스템 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6531031B1 (ko) |
EP (1) | EP1062679B1 (ko) |
JP (1) | JP4541557B2 (ko) |
KR (1) | KR100604107B1 (ko) |
DE (2) | DE19900179C1 (ko) |
WO (1) | WO2000041210A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101143742B1 (ko) | 2008-10-27 | 2012-05-11 | 도쿄엘렉트론가부시키가이샤 | 유도 결합 플라즈마 처리 장치, 플라즈마 처리 방법 및 기억 매체 |
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DE19933842A1 (de) | 1999-07-20 | 2001-02-01 | Bosch Gmbh Robert | Vorrichtung und Verfahren zum Ätzen eines Substrates mittels eines induktiv gekoppelten Plasmas |
DE10023946A1 (de) * | 2000-05-16 | 2001-11-29 | Bosch Gmbh Robert | Vorrichtung zum anisotropen Plasmaätzen |
DE10024883A1 (de) * | 2000-05-19 | 2001-11-29 | Bosch Gmbh Robert | Plasmaätzanlage |
KR100444189B1 (ko) * | 2001-03-19 | 2004-08-18 | 주성엔지니어링(주) | 유도결합 플라즈마 소스의 임피던스 정합 회로 |
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1999
- 1999-01-07 DE DE19900179A patent/DE19900179C1/de not_active Expired - Fee Related
- 1999-12-31 EP EP99966898A patent/EP1062679B1/de not_active Expired - Lifetime
- 1999-12-31 US US09/623,734 patent/US6531031B1/en not_active Expired - Lifetime
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- 1999-12-31 JP JP2000592855A patent/JP4541557B2/ja not_active Expired - Lifetime
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- 1999-12-31 KR KR1020007009869A patent/KR100604107B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101143742B1 (ko) | 2008-10-27 | 2012-05-11 | 도쿄엘렉트론가부시키가이샤 | 유도 결합 플라즈마 처리 장치, 플라즈마 처리 방법 및 기억 매체 |
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Publication number | Publication date |
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WO2000041210A1 (de) | 2000-07-13 |
JP2002534795A (ja) | 2002-10-15 |
US6531031B1 (en) | 2003-03-11 |
EP1062679B1 (de) | 2001-11-21 |
EP1062679A1 (de) | 2000-12-27 |
DE19900179C1 (de) | 2000-02-24 |
DE59900683D1 (de) | 2002-02-21 |
KR20010096474A (ko) | 2001-11-07 |
JP4541557B2 (ja) | 2010-09-08 |
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