KR100329974B1 - 플라즈마 공정을 위한 전극 및 이의 제조 방법과 사용 방법 - Google Patents
플라즈마 공정을 위한 전극 및 이의 제조 방법과 사용 방법 Download PDFInfo
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- KR100329974B1 KR100329974B1 KR1020007015011A KR20007015011A KR100329974B1 KR 100329974 B1 KR100329974 B1 KR 100329974B1 KR 1020007015011 A KR1020007015011 A KR 1020007015011A KR 20007015011 A KR20007015011 A KR 20007015011A KR 100329974 B1 KR100329974 B1 KR 100329974B1
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Classifications
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- 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
-
- 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
-
- 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
- H01J37/32431—Constructional details of the reactor
- H01J37/3244—Gas supply means
-
- 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
- H01J37/32431—Constructional details of the reactor
- H01J37/32532—Electrodes
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Drying Of Semiconductors (AREA)
- Plasma Technology (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
Description
Claims (23)
- 접착면을 가지는 지지부재;한 쪽에 RF 전력 인가면을 가지고 반대쪽 외곽 모서리에 상기 지지부재의 접착면과 맞물리는 접착면을 가지는 RF 인가 전극; 및상기 전극의 외곽 모서리와 상기 지지부재 사이에 그 온도 사이클 동안에 상기 전극과 상기 지지부재 간의 이동을 허용할 수 있도록 상기 지지부재에 상기 전극을 탄력적으로 부착시키는 탄성중합체 결합부를 포함하는 반도체 기판의 공정에 사용되는 플라즈마 반응챔버에 유용한 전극 어셈블리.
- 제 1 항에 있어서, 상기 지지부재는 플라즈마 반응챔버 내부에서 온도조절부재에 제거 가능하게 부착되고, 상기 지지부재는 상기 온도조절부재에 고정된 지지링을 포함하고, 상기 전극은 샤워헤드 전극을 포함하며 상기 온도조절부재는 상기 샤워헤드 전극으로 상기 공정 가스를 공급하는 가스 통로를 포함하는 것을 특징으로 하는 전극 어셈블리.
- 제 2 항에 있어서, 상기 온도조절부재는 상기 공정가스를 공급하는 가스 통로가 상기 샤워헤드 전극을 통과하기 전에 배플을 통과하도록 공동 및 상기 공동 내에 최소한 하나의 배플판을 포함하는 것을 특징으로 하는 전극 어셈블리.
- 제 1 항에 있어서, 상기 탄성중합체 결합부는 상기 전극과 지지부재 사이의 계면에서 상기 전기적 전도성 탄성중합체 물질을 포함하고, 상기 탄성중합체 물질은 상기 전극과 지지부재 사이에 전기적 전류경로를 제공하는 전기 전도성 필러를 포함하는 것을 특징으로 하는 전극 어셈블리.
- 제 4 항에 있어서, 리세스가 상기 계면에 제공되고 상기 필러는 상기 계면의 상기 리세스의 깊이보다 적어도 5배 작은 평균크기를 가지는 전기적 및/또는 열적 전도성 입자들을 포함하는 것을 특징으로 하는 전극 어셈블리.
- 제 5 항에 있어서, 상기 리세스는 상기 지지부재 내에서 균일한 깊이를 가지며, 상기 지지부재의 벽들 사이에 위치되고, 상기 벽들은 상기 리세스의 깊이보다 크지만 상기 리세스의 깊이의 25배 보다는 작은 두께를 갖는 것을 특징으로 하는 전극 어셈블리.
- 제 4 항에 있어서, 상기 리세스는 상기 지지부재 주위로 연속적으로 확장되고, 상기 전극은 단지 상기 탄성중합체 결합부에 의해 지지부재에 접착된 것을 특징으로 하는 전극 어셈블리.
- 제 1 항에 있어서, 상기 탄성중합체 결합부는 촉매 경화된 탄성중합체 수지(resin)를 포함하는 것을 특징으로 하는 전극 어셈블리.
- 제 1 항에 있어서, 상기 전극은 실리콘 전극을 포함하고 상기 지지부재는 흑연 지지링을 포함하는 것을 특징으로 하는 전극 어셈블리.
- 탄성중합체 접착 물질을 지지부재와 RF 인가 전극의 하나 또는 그 이상의 결합면에 가하는 단계;상기 탄성중합체 접착 물질이 상기 지지부재와 상기 전극의 결합면을 결합시키도록 상기 지지부재와 전극의 어셈블리를 형성하는 단계; 및상기 전극과 상기 지지부재 사이에, 열 사이클링 동안에 상기 지지부재에 대하여 상기 전극의 이동을 허용하는 하는 탄성중합체 결합부를 형성하기 위해 상기 탄성중합체 접착물질을 경화시키는 단계를 포함하는 플라즈마 반응챔버에 사용되는 전극 어셈블리의 제조 방법.
- 제 10 항에 있어서, 최소한 두 성분의 탄성중합체를 선택적인 전기 전도성 필러로 혼합하여 탄성중합체 접착물질을 준비하는 단계와, 주위 온도 또는 주위 온도보다 높거나 낮은 온도의 진공 분위기에서 상기 탄성중합체 접착 물질을 치밀화하는 단계를 더 포함하는 것을 특징으로 하는 전극 어셈블리 제조 방법.
- 제 10 항에 있어서, 상기 결합면이 노출되도록 상기 전극과 지지부재의 표면들에 마스크 물질을 가하는 단계와, 상기 마스크 물질이 상기 전극과 지지부재로부터 제거될 때 상기 탄성중합체 결합부를 빠져 나온 과잉 탄성중합체 물질을 제거하기 위해 선택적으로 상기 마스크 물질의 노출 부분을 프라이머로 코팅하는 단계를 더 포함하는 것을 특징으로 하는 전극 어셈블리 제조 방법.
- 제 10 항에 있어서, 상기 지지부재는 고리 모양의 리세스를 가진 지지링을 포함하고, 상기 리세스는 상기 지지링 주위로 완전하게 확장되며, 상기 탄성중합체 접착물질은 상기 탄성중합체 결합부가 상기 리세스를 채우고 상기 전극으로부터 상기 지지링으로 열을 전도하기 위해 충분히 얇아질 수 있는 양으로 가해지는 것을 특징으로 하는 전극 어셈블리 제조 방법.
- 제 10 항에 있어서, 상기 탄성중합체 접착물질은 전기 전도성 필러를 포함하고, 상기 탄성중합체 접촉물질은 상기 전극과 상기 지지부재 사이에 실질적으로 직접적인 전기 접촉을 제공하기 위해 상기 결합면에 가해지는 것을 특징으로 하는 전극 어셈블리 제조 방법.
- 제 10 항에 있어서, 상기 전극은 단결정 또는 다결정 실리콘을 본질적으로 포함하고, 상기 지지부재는 흑연를 본질적으로 포함하고, 상기 실리콘 전극은 상기 흑연 지지부재에 탄성중합체 결합부에 의해서만 접착되는 것을 특징으로 하는 전극 어셈블리 제조 방법.
- 제 10 항에 있어서, 상기 전극은 균일한 또는 불균일한 두께의 실리콘 디스크를 포함하고, 상기 지지부재는 흑연 링을 포함하고, 상기 방법은 상기 전극과 지지부재를 정착물에 정렬하는 단계, 과잉 접착물질이 상기 전극과 상기 지지링 간의 계면 밖으로 나오도록 하기 위해 충분한 압력을 가하는 단계, 상기 탄성중합체 접착물질의 경화를 촉진하기에 충분히 높은 온도이나 상기 전극 또는 지지링의 열팽창을 최소화하기에 충분한 낮은 온도의 오븐에서 상기 어셈블리를 가열하는 단계를 포함하는 것을 특징으로 하는 전극 어셈블리 제조 방법.
- 제 10 항에 있어서, 상기 탄성중합체 접착물질은 상기 전극과 상기 지지부재 사이에 충분한 이동을 허용케 하여 플라즈마 반응기에서 상기 전극의 사용 중에 상기 전극과 지지부재 사이의 열팽창 또는 수축차의 결과로서 상기 결합부의 찢어짐을 방지할 수 있는 경화된 탄성중합체 결합부를 제공하기 위해 규격되어진 리세스에 충진되는 것을 특징으로 하는 전극 어셈블리 제조 방법.
- 제 10 항에 있어서, 상기 탄성중합체 접착물질은 상기 결합면에서 상기 접착물질의 자기 평탄성 및 퍼짐을 달성하기 충분한 점도를 가지고, 상기 방법은 진공 분위기에 상기 어셈블리를 둠으로써 접착물질의 가스를 제거하는 단계를 더 포함하는 것을 특징으로 하는 전극 어셈블리 제조 방법.
- 제 10 항에 있어서, 상기 결합면에 프라이머로 가하는 단계 또는 상기 결합면을 플라즈마 처리하는 단계를 더 포함하는 것을 특징으로 하는 전극 어셈블리 제조 방법.
- 전극 어셈블리가 탄성중합체 결합부에 의해 지지부재에 접착된 RF 인가 전극을 구비하는 플라즈마 반응챔버에서 반도체 기판을 처리하는 방법에 있어서,반도체 기판을 플라즈마 반응챔버로 공급하는 단계;상기 플라즈마 챔버의 내부에 공정가스를 공급하는 단계;상기 공정가스가 상기 반도체 기판의 노출 표면에 접촉하는 플라즈마를 형성하고, 탄성중합체 결합부가 전극 어셈블리의 온도 사이클 동안에 지지부재에 대하여 전극이 이동할 수 있도록 RF 전력이 상기 지지부재로부터 상기 탄성중합체 결합부와 상기 전극을 통과하도록 전극에 RF 전력을 인가하는 단계를 포함하는 반도체 기판을 처리하는 방법.
- 제 20 항에 있어서, 상기 반도체 기판은 실리콘 웨이퍼를 포함하고, 상기 방법은 웨이퍼 상의 절연성 또는 도전성 물질층을 식각하는 단계를 포함하는 것을 특징으로 하는 반도체 기판을 처리하는 방법.
- 제 20 항에 있어서, 상기 방법은 반도체 기판 상에 물질층을 증착하는 단계를 포함하는 것을 특징으로 하는 반도체 기판을 처리하는 방법.
- 제 20 항에 있어서, 상기 전극은 실리콘 샤워헤드 전극을 포함하고, 상기 지지부재는 흑연 링을 포함하고, 상기 흑연 링은 상기 샤워헤드 전극으로 공급되는 상기 공정가스의 통로인 온도조절부재에 고정된 것을 특징으로 하는 반도체 기판을 처리하는 방법.
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US09/107,471 US6073577A (en) | 1998-06-30 | 1998-06-30 | Electrode for plasma processes and method for manufacture and use thereof |
US09/107,471 | 1998-06-30 | ||
PCT/US1999/015053 WO2000000998A2 (en) | 1998-06-30 | 1999-06-30 | Electrode for plasma processes and method for manufacture and use thereof |
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KR10-2000-7015010A KR100426149B1 (ko) | 1998-06-30 | 1999-06-30 | 플라즈마 반응 챔버 내의 탄성 중합체 결합부 |
KR1020007015011A KR100329974B1 (ko) | 1998-06-30 | 1999-06-30 | 플라즈마 공정을 위한 전극 및 이의 제조 방법과 사용 방법 |
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KR10-2000-7015010A KR100426149B1 (ko) | 1998-06-30 | 1999-06-30 | 플라즈마 반응 챔버 내의 탄성 중합체 결합부 |
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CN (2) | CN100585794C (ko) |
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KR101277108B1 (ko) | 2007-03-30 | 2013-06-20 | 주식회사 원익아이피에스 | 비정질탄소막 증착공정에서의 챔버 세정 장치 및 이를이용한 챔버 세정 방법 |
KR100978115B1 (ko) * | 2008-04-10 | 2010-08-26 | 티씨비코리아(주) | 플라즈마 챔버용 캐소드 전극의 제조방법 및 플라즈마 챔버용 캐소드 전극 |
KR102242198B1 (ko) * | 2021-01-12 | 2021-04-20 | 김기재 | 반도체 에칭 공정 장비에 사용되는 실리콘 전극의 본딩 방법 |
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