KR100643393B1 - 진공챔버의 외기 유입 검출방법 - Google Patents
진공챔버의 외기 유입 검출방법 Download PDFInfo
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- KR100643393B1 KR100643393B1 KR1020050089096A KR20050089096A KR100643393B1 KR 100643393 B1 KR100643393 B1 KR 100643393B1 KR 1020050089096 A KR1020050089096 A KR 1020050089096A KR 20050089096 A KR20050089096 A KR 20050089096A KR 100643393 B1 KR100643393 B1 KR 100643393B1
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- South Korea
- Prior art keywords
- wavelength
- intensity
- outside air
- process gas
- vacuum chamber
- Prior art date
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- 238000000034 method Methods 0.000 claims abstract description 78
- 239000007789 gas Substances 0.000 claims description 54
- 238000001514 detection method Methods 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract description 7
- 239000003570 air Substances 0.000 description 59
- 238000005259 measurement Methods 0.000 description 6
- 238000001636 atomic emission spectroscopy Methods 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004204 optical analysis method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C16/44—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
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
Claims (5)
- 진공챔버의 외기 유입을 검출하는 방법에 있어서,상기 진공챔버에 공정가스를 유입시키는 단계와;상기 진공챔버 내에 존재하는 가스를 광검출하여 상기 공정가스와 상기 외기가 속한 파장(Wavelength)의 세기(Intensity)를 측정하는 단계와;측정된 파장 세기를 기초로 하여 상기 공정가스에 대한 상기 외기의 비율을 계산하는 단계; 및상기 비율이 소정의 한계값을 초과하는 경우 경고 표시를 하는 단계를 포함하는 것을 특징으로 하는 외기 유입 검출방법.
- 제1항에 있어서,상기 공정가스 및 상기 외기가 속한 각 파장의 인근 파장의 세기 측정을 통해 상기 공정가스 및 상기 외기가 속한 각 파장의 영점(Background Level) 세기를 계산하는 단계와;상기 공정가스 및 상기 외기가 속한 각 파장 세기로부터 해당 파장의 영점 세기를 제하여(Subtraction) 상기 공정가스 및 상기 외기가 속한 각 파장의 순 파장 세기(Net Wavelength Intensity)를 계산하는 단계를 더 포함하고,상기 비율 계산 단계는,상기 공정가스가 속한 파장의 순 파장 세기에 대한 상기 외기가 속한 파장의 순 파장 세기의 비율을 계산하는 단계를 포함하는 것을 특징으로 하는 외기 유입 검출방법.
- 제1항에 있어서,상기 외기가 속한 파장의 인근 파장의 세기 측정을 통해 상기 외기가 속한 파장의 영점(Background Level) 세기를 계산하는 단계와;상기 외기가 속한 파장의 세기로부터 해당 파장의 영점 세기를 제하여(Subtraction) 상기 외기가 속한 파장의 순 파장 세기를 계산하는 단계를 더 포함하고,상기 비율 계산 단계는,상기 공정가스가 속한 파장의 세기에 대한 상기 외기가 속한 파장의 순 파장 세기의 비율을 계산하는 단계를 포함하는 것을 특징으로 하는 외기 유입 검출방법.
- 제1항에 있어서,상기 공정가스는 실리콘(Si)을 포함하는 것을 특징으로 하는 외기 유입 검출방법.
- 제1항에 있어서,상기 외기는 질소(N2)를 포함하는 것을 특징으로 하는 외기 유입 검출방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050089096A KR100643393B1 (ko) | 2005-09-26 | 2005-09-26 | 진공챔버의 외기 유입 검출방법 |
CNA2005101359703A CN1940527A (zh) | 2005-09-26 | 2005-12-29 | 流入真空室的外部气体检测方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050089096A KR100643393B1 (ko) | 2005-09-26 | 2005-09-26 | 진공챔버의 외기 유입 검출방법 |
Publications (1)
Publication Number | Publication Date |
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KR100643393B1 true KR100643393B1 (ko) | 2006-11-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020050089096A KR100643393B1 (ko) | 2005-09-26 | 2005-09-26 | 진공챔버의 외기 유입 검출방법 |
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KR (1) | KR100643393B1 (ko) |
CN (1) | CN1940527A (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06194259A (ja) * | 1992-12-24 | 1994-07-15 | Hitachi Ltd | ガスリーク検出装置 |
JPH0722401A (ja) * | 1993-07-05 | 1995-01-24 | Hiroshima Nippon Denki Kk | プラズマエッチング装置 |
JP2003273024A (ja) | 2002-03-13 | 2003-09-26 | Toppan Printing Co Ltd | プラズマ監視装置及びプラズマ成膜プロセス監視装置、並びにプラズマ処理プロセスの制御方法 |
JP2005091343A (ja) | 2003-03-07 | 2005-04-07 | Shikoku Res Inst Inc | ガス漏洩監視方法、及びそのシステム |
-
2005
- 2005-09-26 KR KR1020050089096A patent/KR100643393B1/ko active IP Right Grant
- 2005-12-29 CN CNA2005101359703A patent/CN1940527A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06194259A (ja) * | 1992-12-24 | 1994-07-15 | Hitachi Ltd | ガスリーク検出装置 |
JPH0722401A (ja) * | 1993-07-05 | 1995-01-24 | Hiroshima Nippon Denki Kk | プラズマエッチング装置 |
JP2003273024A (ja) | 2002-03-13 | 2003-09-26 | Toppan Printing Co Ltd | プラズマ監視装置及びプラズマ成膜プロセス監視装置、並びにプラズマ処理プロセスの制御方法 |
JP2005091343A (ja) | 2003-03-07 | 2005-04-07 | Shikoku Res Inst Inc | ガス漏洩監視方法、及びそのシステム |
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CN1940527A (zh) | 2007-04-04 |
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