JP2007108183A - 自己較正温度プローブ - Google Patents
自己較正温度プローブ Download PDFInfo
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- JP2007108183A JP2007108183A JP2006286597A JP2006286597A JP2007108183A JP 2007108183 A JP2007108183 A JP 2007108183A JP 2006286597 A JP2006286597 A JP 2006286597A JP 2006286597 A JP2006286597 A JP 2006286597A JP 2007108183 A JP2007108183 A JP 2007108183A
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
- G01J5/0007—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter of wafers or semiconductor substrates, e.g. using Rapid Thermal Processing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0818—Waveguides
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0818—Waveguides
- G01J5/0821—Optical fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0846—Optical arrangements having multiple detectors for performing different types of detection, e.g. using radiometry and reflectometry channels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/52—Radiation pyrometry, e.g. infrared or optical thermometry using comparison with reference sources, e.g. disappearing-filament pyrometer
- G01J5/53—Reference sources, e.g. standard lamps; Black bodies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/80—Calibration
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Abstract
【課題】基板処理チャンバ中の基板の温度を測定するためのプローブを正確に較正する。
【解決手段】本発明に係るプローブは、一方の端部が処理チャンバ中に挿入されている光導体を含む。光導体の他の端部は、二またの光ファイバに結合されている。光源は、光ファイバの1つの支線に光学的に結合され、高温計は他の支線に光学的に結合されている。プローブを自己較正するために、安定した反射率の物体、たとえば金メッキされたウェハがチャンバ中に挿入され、光源が起動され、物体から反射した光の強度が高温計によって測定される。
【選択図】図1
Description
本発明は、熱的処理プロセスにおいて使用される自己較正温度プローブ(probe)に関する。
一般的に1つの側面において、本発明は基板処理システムを較正するための装置を特色にする。本発明において、プローブの入力端部は、処理チャンバからの光をサンプリングするように構成される。プローブの出力端部は、スプリットファイバ光学ガイドの幹線に接続される。光源はガイドの1つの支線に光学的に接続され、センサは他の支線に光学的に接続されている。
図1によれば、RTPシステム10は、8インチ直径のディスク形状のシリコン(珪素)基板14の処理用の処理チャンバ12を含む。チャンバ12の内部で、基板14は高い温度(たとえば約1000℃)まで迅速にかつ均質に加熱され、アニーリング、清浄、化学的気相堆積、エッチング、酸化、あるいはニトロ化などのような種々の処理工程に供される。
Tcorr=T+Kcorr・△Tprobe (1)
ここで、Tは高温計40aと同一の構成を有する任意の高温計によって測定された温度であり、Kcorrは米国特許出願番号第08/359,302中に記述されたように計算された訂正係数である。訂正係数Kcorrの計算に関してその中に記述された手法は、基板間の放射率における差に関して訂正するものであるが、全ての基板が同一の粗さを有すると仮定するものである。
放射率(E)=f1(I1,I2) (2)
粗さ(R)=f2(I1,I2) (3)
関数f1とf2は特定のチャンバ形状と高温計の配置に依存し、実験的に決定しなければならない。
Tcorr=T+Kcorr・△Tprobe・Vc (4)
Claims (7)
- 基板処理システムを較正するための装置であって、
入力端部と出力端部を備え、前記入力端部が処理チャンバからの光をサンプリングするように構成されている光学ガイドであって、反射板を含み、前記光学ガイドが前記反射板中の通路を通って延びる、前記光学ガイドと、
前記処理チャンバ内の反射体であって、前記入力端部から送出された光を用いて所定温度で放射をシミュレーションする為に動作可能な前記反射体と、
幹線と第1及び第2支線を有し、前記幹線がプローブの出力端部と光学的に結合しているスプリット光ファイバと、
前記第1支線と光学的に結合した光源と、
前記第2支線と光学的に結合したセンサと、
を含む装置。 - 前記反射体は、前記処理システムのチャンバ中に収容するために構成された既知の反射率を有する、請求項1に記載の装置。
- 前記反射体は、前記反射板上に設置される、請求項2に記載の装置。
- 前記反射体は、前記反射板の上方に吊り下げられる、請求項3に記載の装置。
- 前記センサから温度測定値を引き出すためにプログラムされたコントローラをさらに含む、請求項1の装置。
- 前記光源を起動し、前記光源が起動されるときに前記センサからの温度測定値を引き出すようにプログラムされたコントローラをさらに含む、請求項5の装置。
- 前記コントローラが、前記装置を較正するために、引き出された温度測定値を、記憶された温度測定値と比較するようにさらにプログラムされた、請求項6の装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/629,422 US5938335A (en) | 1996-04-08 | 1996-04-08 | Self-calibrating temperature probe |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9089590A Division JPH1038699A (ja) | 1996-04-08 | 1997-04-08 | 自己較正温度プローブ |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2007108183A true JP2007108183A (ja) | 2007-04-26 |
Family
ID=24522924
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9089590A Pending JPH1038699A (ja) | 1996-04-08 | 1997-04-08 | 自己較正温度プローブ |
JP2006101998A Expired - Lifetime JP4128590B2 (ja) | 1996-04-08 | 2006-04-03 | 自己較正温度プローブ |
JP2006286597A Pending JP2007108183A (ja) | 1996-04-08 | 2006-10-20 | 自己較正温度プローブ |
JP2008014019A Pending JP2008164622A (ja) | 1996-04-08 | 2008-01-24 | 自己較正温度プローブ |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9089590A Pending JPH1038699A (ja) | 1996-04-08 | 1997-04-08 | 自己較正温度プローブ |
JP2006101998A Expired - Lifetime JP4128590B2 (ja) | 1996-04-08 | 2006-04-03 | 自己較正温度プローブ |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008014019A Pending JP2008164622A (ja) | 1996-04-08 | 2008-01-24 | 自己較正温度プローブ |
Country Status (4)
Country | Link |
---|---|
US (1) | US5938335A (ja) |
EP (1) | EP0801292B1 (ja) |
JP (4) | JPH1038699A (ja) |
DE (1) | DE69730371T2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20180025151A (ko) | 2016-08-30 | 2018-03-08 | 엘지디스플레이 주식회사 | 화상 표시 장치 및 화상 표시 방법 |
KR20180025149A (ko) | 2016-08-30 | 2018-03-08 | 엘지디스플레이 주식회사 | 화상 표시 장치 및 화상 표시 방법 |
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- 1997-04-08 JP JP9089590A patent/JPH1038699A/ja active Pending
- 1997-04-08 EP EP97302408A patent/EP0801292B1/en not_active Expired - Lifetime
-
2006
- 2006-04-03 JP JP2006101998A patent/JP4128590B2/ja not_active Expired - Lifetime
- 2006-10-20 JP JP2006286597A patent/JP2007108183A/ja active Pending
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2008
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180025151A (ko) | 2016-08-30 | 2018-03-08 | 엘지디스플레이 주식회사 | 화상 표시 장치 및 화상 표시 방법 |
KR20180025149A (ko) | 2016-08-30 | 2018-03-08 | 엘지디스플레이 주식회사 | 화상 표시 장치 및 화상 표시 방법 |
Also Published As
Publication number | Publication date |
---|---|
DE69730371T2 (de) | 2005-09-08 |
EP0801292A2 (en) | 1997-10-15 |
JP4128590B2 (ja) | 2008-07-30 |
JP2008164622A (ja) | 2008-07-17 |
JP2006234828A (ja) | 2006-09-07 |
JPH1038699A (ja) | 1998-02-13 |
EP0801292B1 (en) | 2004-08-25 |
DE69730371D1 (de) | 2004-09-30 |
EP0801292A3 (en) | 1998-05-20 |
US5938335A (en) | 1999-08-17 |
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