DE69631400T2 - System für das Messen von Dünnfilmen - Google Patents

System für das Messen von Dünnfilmen Download PDF

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Publication number
DE69631400T2
DE69631400T2 DE69631400T DE69631400T DE69631400T2 DE 69631400 T2 DE69631400 T2 DE 69631400T2 DE 69631400 T DE69631400 T DE 69631400T DE 69631400 T DE69631400 T DE 69631400T DE 69631400 T2 DE69631400 T2 DE 69631400T2
Authority
DE
Germany
Prior art keywords
light
film
light signal
frequency
source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69631400T
Other languages
German (de)
English (en)
Other versions
DE69631400D1 (de
Inventor
Wayne V. Mountain View Sorin
Brian L. Los Altos Heffner
Shalini Santa Clara Venkatesh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agilent Technologies Inc
Original Assignee
Agilent Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of DE69631400D1 publication Critical patent/DE69631400D1/de
Application granted granted Critical
Publication of DE69631400T2 publication Critical patent/DE69631400T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69631400T 1995-08-28 1996-07-31 System für das Messen von Dünnfilmen Expired - Fee Related DE69631400T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/520,029 US5610716A (en) 1995-08-28 1995-08-28 Method and apparatus for measuring film thickness utilizing the slope of the phase of the Fourier transform of an autocorrelator signal
US520029 1995-08-28

Publications (2)

Publication Number Publication Date
DE69631400D1 DE69631400D1 (de) 2004-03-04
DE69631400T2 true DE69631400T2 (de) 2004-12-09

Family

ID=24070903

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69631400T Expired - Fee Related DE69631400T2 (de) 1995-08-28 1996-07-31 System für das Messen von Dünnfilmen

Country Status (4)

Country Link
US (1) US5610716A (enExample)
EP (1) EP0762077B1 (enExample)
JP (1) JP3922742B2 (enExample)
DE (1) DE69631400T2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103630239A (zh) * 2013-02-19 2014-03-12 中国科学院电子学研究所 分辨率增强傅立叶微光谱仪

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10267610A (ja) * 1997-03-26 1998-10-09 Kowa Co 光学測定装置
US6198540B1 (en) 1997-03-26 2001-03-06 Kowa Company, Ltd. Optical coherence tomography have plural reference beams of differing modulations
US6088100A (en) * 1997-07-14 2000-07-11 Massachusetts Institute Of Technology Three-dimensional light absorption spectroscopic imaging
KR100386793B1 (ko) * 1998-04-21 2003-06-09 가부시키가이샤 히타치세이사쿠쇼 박막의 막두께 계측 방법 및 그 장치 및 이를 이용한 박막디바이스의 제조 방법 및 그 제조 장치
RU2152588C1 (ru) * 1998-05-22 2000-07-10 НИИ Российский центр лазерной физики при Санкт-Петербургском государственном университете Способ измерения оптической толщины плоскопараллельных прозрачных объектов
US6034774A (en) * 1998-06-26 2000-03-07 Eastman Kodak Company Method for determining the retardation of a material using non-coherent light interferometery
US6034772A (en) * 1998-10-29 2000-03-07 Eastman Kodak Company Method for processing interferometric measurement data
US6038027A (en) * 1998-10-29 2000-03-14 Eastman Kodak Company Method for measuring material thickness profiles
US6067161A (en) * 1998-10-29 2000-05-23 Eastman Kodak Company Apparatus for measuring material thickness profiles
US6157037A (en) * 1998-12-04 2000-12-05 Photosense, Llc Sensing device and method for measuring emission time delay during irradiation of targeted samples
US6806969B2 (en) * 2001-10-19 2004-10-19 Agilent Technologies, Inc. Optical measurement for measuring a small space through a transparent surface
US7133137B2 (en) * 2002-06-27 2006-11-07 Visx, Incorporated Integrated scanning and ocular tomography system and method
US7206076B2 (en) * 2003-11-04 2007-04-17 Lumetrics, Inc. Thickness measurement of moving webs and seal integrity system using dual interferometer
JP2005283387A (ja) * 2004-03-30 2005-10-13 Sumitomo Osaka Cement Co Ltd 厚さ測定装置ならびに厚さ測定方法
GB0415766D0 (en) 2004-07-14 2004-08-18 Taylor Hobson Ltd Apparatus for and a method of determining a characteristic of a layer or layers
US7310151B2 (en) * 2004-08-30 2007-12-18 Chian Chiu Li Interferometric optical apparatus and method using wavefront division
CN100516772C (zh) * 2004-09-09 2009-07-22 鸿富锦精密工业（深圳）有限公司 光学信号处理装置及方法
US7515275B2 (en) * 2006-07-18 2009-04-07 Institut National D'optique Optical apparatus and method for distance measuring
JP5124424B2 (ja) * 2008-11-17 2013-01-23 株式会社キーエンス 光学式変位計
US20150022658A1 (en) * 2013-07-16 2015-01-22 University Of North Carolina At Charlotte Noise reduction techniques, fractional bi-spectrum and fractional cross-correlation, and applications
EP3620292A1 (fr) * 2018-09-07 2020-03-11 Aisapack Holding SA Procédé et dispositif de fabrication d'une soudure d'emballage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5341205A (en) * 1991-01-15 1994-08-23 The United States Of America As Represented By The Secretary Of The Navy Method for characterization of optical waveguide devices using partial coherence interferometry
WO1992019930A1 (en) * 1991-04-29 1992-11-12 Massachusetts Institute Of Technology Method and apparatus for optical imaging and measurement
US5323229A (en) * 1992-08-31 1994-06-21 Science Applications International Corporation Measurement system using optical coherence shifting interferometry

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103630239A (zh) * 2013-02-19 2014-03-12 中国科学院电子学研究所 分辨率增强傅立叶微光谱仪

Also Published As

Publication number Publication date
DE69631400D1 (de) 2004-03-04
JPH09119815A (ja) 1997-05-06
US5610716A (en) 1997-03-11
EP0762077A2 (en) 1997-03-12
EP0762077B1 (en) 2004-01-28
JP3922742B2 (ja) 2007-05-30
EP0762077A3 (en) 1998-01-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D. STAATES, US

8339 Ceased/non-payment of the annual fee