KR970058390A - 플라즈마 처리장치의 챔버 에칭방법 및 그를 실시하기 위한 플라즈마 처리 장치 - Google Patents
플라즈마 처리장치의 챔버 에칭방법 및 그를 실시하기 위한 플라즈마 처리 장치 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract 15
- 238000005530 etching Methods 0.000 title claims abstract 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract 22
- 239000000758 substrate Substances 0.000 claims abstract 22
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract 11
- 238000005268 plasma chemical vapour deposition Methods 0.000 claims abstract 10
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract 6
- 230000002093 peripheral effect Effects 0.000 claims abstract 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000007789 gas Substances 0.000 claims 16
- 239000012495 reaction gas Substances 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- ZFXYFBGIUFBOJW-UHFFFAOYSA-N theophylline Chemical compound O=C1N(C)C(=O)N(C)C2=C1NC=N2 ZFXYFBGIUFBOJW-UHFFFAOYSA-N 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000001020 plasma etching Methods 0.000 abstract 1
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Abstract
기판전극과 카운터 전극 사이에 고주파전압을 인가시켜 플라즈마를 발생시켜 웨이퍼상에 이산화실리콘막을 형성하기 위해 플라즈마 CVD 처리후 플라즈마 처리장치를 플라즈마 에칭세정 하는데 있어서, 기판전극이 주변 외주부를 피복하도록 놓인 탄화실리콘 절연덮개를 가지며, 카운터전극이 접지되며, 탄화불소 가스가 챔버로 도입되며, 기판전극은 고주파전원이 공급되어 챔버에칭을 실시하여 플라즈마 CVD 처리에 의해 챔버내에 형성된 바람직하지 않은 이산화실리콘을 제거한다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명의 실시예 1에 따른 플라즈마 처리장치의 개략단면도.
Claims (9)
- 시료 웨이퍼를 지지하는 기판전극, 상기 기판전극의 주변 외주부를 피복하도록 놓인 탄화실리콘 절연덮개, 및 챔버내에서 상기 기판전극과 대면하는 카운터전극을 구비하며, 이산화실리콘층이 상기 챔버내에서 플라즈마 반응 가스를 사용하여 CVD처리에 의해 상기 웨이퍼상에서 형성되며, 상기 이산화 실리콘층은 상기 절연덮개 및 상기 전극을 포함하는 상기 챔버내에서 소자의 표면상에 바람직하지 않은 이산화실리콘층으로서 또한 형성되는 플라즈마 처리장치를 챔버에칭하는 방법으로서, 상기 방법은 상기 소자의 표면상의 상기 바람직하지 않은 이산화실리콘층을 제거하기 위한 것이며, 상기 기판전극을 고주파 전원에 접속시키고 상기 카운터전극을 접지시키는 단계와, 상기 챔버에 탄화불소가스를 도입하는 단계, 및 상기 고주파전원으로부터 상기 기판전극에 고주파 전력을 공급하여 상기 챔버에칭을 실시하여 상기 바람직하지 않은 이산화실리콘층을 제거하는 단계를 구비하는 것을 특징으로 하는 플라즈마 처리장치의 쳄버에칭방법.
- 가스를 도입하기 위한 가스 도입구 및 배출가스를 방출하기 위한 가스배출구를 가지며, 상기 플라즈마 CVD 동안은 상기 가스 도입구가 반응가스를 도입하여 상기 이산화실리콘을 형성하며 상기 챔버에칭동안은 상기 가스 도입구가 탄화불호가스를 도입하는 챔버, 상기 챔버 외부에 노출된 기판전극단자를 가지며, 플라즈마 CVD 처리동안 웨이퍼가 기판전극의 표면 중앙부에 놓여 지지되며, 상기 챔버내에서 고정되는 기판전극, 상기 기판전극의 주변 외주부에 고정된 탄화실리콘 절연덮개, 소정의 간격을 두고 상기 기판전극에 대면하며 상기 챔버의 외부에 노출된 카운터전극 단자를 갖는 카운터전극, 고주파 전기에너지를 공급하는 전원, 및 상기 기판전극단자와 상기 카운터전극 중 한 개를 상기 전원에 접속하며 남아있는 전극단자를 접지시켜 상기 플라즈마 CVD 처리동안은 상기 전원이 상기 카운터전극에 상기 고주파 전기에너지를 공급하며, 상기 챔버에칭동안은 상기 전원이 상기 기판전극에 상기 고주파 전기에너지를 공급하는 전원 스위칭수단을 구비하는 것을 특징으로 하는 플라즈마 CVD 처리에 의해 웨이퍼상에 이산화실리콘층을 형성할 때 사용되며 제1항의 방법을 실시하기 위한 플라즈마 처리장치.
- 가스를 도입하기 위한 가스 도입구 및 배출가스를 방출하기 위한 가스배출구를 가지며, 상기 플라즈마 CVD 처리 동안은 상기 가스 도입구가 반응가스를 도입하여 상기 이산화실리콘을 형성하며 상기 챔버에칭동안은 상기 가스도입구가 탄화불소가스를 도입하는 챔버, 상기 챔버 외부에 노출된 기판전극단자를 가지며, 플라즈마 CVD 처리동안 웨이퍼가 상기 기판전극의 표면 중앙부에 놓여 지지되며, 상기 챔버내에서 고정되는 기판전극, 상기 기판전극의 주변 외주부에 고정된 탄화실리콘 절연덮개, 소정의 간격을 두고 상기 기판전극에 대면하며 상기 챔버외부에 노출된 카운터전극단자를 갖는 카운터전극, 제1고주파 전지에너지를 공급하는 제1전원, 제2고주파 고주파 전지에너지를 공급하는 제2전원, 상기 플라즈마 CVD 처리동안은 상기 기판전극단자를 상기 접지에 접속하여 상기 기판전극을 접지시키며 상기 챔버에칭동안은 상기 제1전원을 상기 기판전극단자에 접속하는 제1전원 스위칭수단, 및 상기 플라즈마 CVD 처리동안은 상기 제2전원을 상기 카운터전극에 접속하며 상기 챔버에칭동안은 상기 카운터전극 단자를 접지에 접속시켜 상기 카운터전극단자를 접지시키는 제2전원 스위칭수단을 구비하는 것을 특징으로 하는 플라즈마 CVD 처리에 의해 웨이퍼상에 이산화실리콘층을 형성할 때 사용되며 제1항의 방법을 실시하기 위한 플라즈마 처리장치.
- 제2항에 있어서, 상기 카운터전극은 탄화실리콘으로 형성된 외주부를 갖는 것을 특징으로 하는 플라즈마 처리장치.
- 제2항에 있어서, 상기 혼형의 카운터전극을 갖는 전자 사이클로트론공명형인 것을 특징으로 하는 플라즈마 처리장치.
- 제2항에 있어서, 상기 기판전극 및 상기 카운터전극은 서로 평행하게 놓인 평행한 평판전극인 평판전극형인 것을 특징으로 하는 플라즈마 처리장치.
- 제3항에 있어서, 상기 카운터전극은 탄화실리콘으로 형성된 외주부를 갖는 것을 특징으로 하는 플라즈마 처리장치.
- 제3항에 있어서, 상기 혼형의 카운터 전극을 갖는 전자 사이클로트론 공명형인 것을 특징으로 하는 플라즈마 처리장치.
- 제3항에 있어서, 상기 기판전극 및 상기 카운터전극은 서로 평행하게 놓인 평행한 평판전극인 평판전극형인 것을 특징으로 하는 플라즈마 처리장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
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JP95-327701 | 1995-12-15 | ||
JP7327701A JPH09167755A (ja) | 1995-12-15 | 1995-12-15 | プラズマ酸化膜処理装置 |
US08/580,725 | 1995-12-29 |
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KR100368182B1 (ko) * | 1999-12-16 | 2003-01-24 | 사단법인 고등기술연구원 연구조합 | 저전압 클라이스트로드 발진관을 이용한 플라즈마 방전장치 |
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US6112697A (en) * | 1998-02-19 | 2000-09-05 | Micron Technology, Inc. | RF powered plasma enhanced chemical vapor deposition reactor and methods |
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1995
- 1995-12-15 JP JP7327701A patent/JPH09167755A/ja active Pending
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1996
- 1996-12-10 KR KR1019960063831A patent/KR100260775B1/ko not_active IP Right Cessation
- 1996-12-10 US US08/763,104 patent/US5863339A/en not_active Expired - Lifetime
- 1996-12-11 CN CN96120535A patent/CN1118086C/zh not_active Expired - Fee Related
- 1996-12-13 GB GB9625888A patent/GB2308231B/en not_active Expired - Fee Related
- 1996-12-13 TW TW085115415A patent/TW328138B/zh active
-
1998
- 1998-10-05 US US09/166,424 patent/US6099747A/en not_active Expired - Lifetime
Cited By (1)
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KR100368182B1 (ko) * | 1999-12-16 | 2003-01-24 | 사단법인 고등기술연구원 연구조합 | 저전압 클라이스트로드 발진관을 이용한 플라즈마 방전장치 |
Also Published As
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---|---|
TW328138B (en) | 1998-03-11 |
US6099747A (en) | 2000-08-08 |
CN1118086C (zh) | 2003-08-13 |
GB2308231B (en) | 2000-06-28 |
KR100260775B1 (ko) | 2000-08-01 |
US5863339A (en) | 1999-01-26 |
GB9625888D0 (en) | 1997-01-29 |
JPH09167755A (ja) | 1997-06-24 |
GB2308231A (en) | 1997-06-18 |
CN1154644A (zh) | 1997-07-16 |
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