AU2001260975A1 - Optical systems for measuring form and geometric dimensions of precision engineered parts - Google Patents

Optical systems for measuring form and geometric dimensions of precision engineered parts

Info

Publication number
AU2001260975A1
AU2001260975A1 AU2001260975A AU6097501A AU2001260975A1 AU 2001260975 A1 AU2001260975 A1 AU 2001260975A1 AU 2001260975 A AU2001260975 A AU 2001260975A AU 6097501 A AU6097501 A AU 6097501A AU 2001260975 A1 AU2001260975 A1 AU 2001260975A1
Authority
AU
Australia
Prior art keywords
optical systems
geometric dimensions
measuring form
precision engineered
engineered parts
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.)
Abandoned
Application number
AU2001260975A
Inventor
James Biegen
Xavier Colonna De Lega
Peter De Groot
Leslie L. Deck
David Grigg
James W. Kramer
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.)
Zygo Corp
Original Assignee
Zygo Corp
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 Zygo Corp filed Critical Zygo Corp
Publication of AU2001260975A1 publication Critical patent/AU2001260975A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/24Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/245Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/24Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/2441Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using interferometry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Measuring instruments characterised by the use of optical techniques
    • G01B9/02Interferometers
    • G01B9/02015Interferometers characterised by the beam path configuration
    • G01B9/02017Interferometers characterised by the beam path configuration with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations
    • G01B9/02021Interferometers characterised by the beam path configuration with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations contacting different faces of object, e.g. opposite faces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Measuring instruments characterised by the use of optical techniques
    • G01B9/02Interferometers
    • G01B9/02015Interferometers characterised by the beam path configuration
    • G01B9/02024Measuring in transmission, i.e. light traverses the object
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Measuring instruments characterised by the use of optical techniques
    • G01B9/02Interferometers
    • G01B9/02015Interferometers characterised by the beam path configuration
    • G01B9/02027Two or more interferometric channels or interferometers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Measuring instruments characterised by the use of optical techniques
    • G01B9/02Interferometers
    • G01B9/02055Reduction or prevention of errors; Testing; Calibration
    • G01B9/0207Error reduction by correction of the measurement signal based on independently determined error sources, e.g. using a reference interferometer
    • G01B9/02072Error reduction by correction of the measurement signal based on independently determined error sources, e.g. using a reference interferometer by calibration or testing of interferometer
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Measuring instruments characterised by the use of optical techniques
    • G01B9/02Interferometers
    • G01B9/02055Reduction or prevention of errors; Testing; Calibration
    • G01B9/02075Reduction or prevention of errors; Testing; Calibration of particular errors
    • G01B9/02078Caused by ambiguity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Measuring instruments characterised by the use of optical techniques
    • G01B9/02Interferometers
    • G01B9/0209Low-coherence interferometers
AU2001260975A 2000-01-25 2001-01-25 Optical systems for measuring form and geometric dimensions of precision engineered parts Abandoned AU2001260975A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US17791200P 2000-01-25 2000-01-25
US60177912 2000-01-25
US20573600P 2000-05-19 2000-05-19
US60205736 2000-05-19
PCT/US2001/002411 WO2001059402A2 (en) 2000-01-25 2001-01-25 Optical systems for measuring form and geometric dimensions of precision engineered parts

Publications (1)

Publication Number Publication Date
AU2001260975A1 true AU2001260975A1 (en) 2001-08-20

Family

ID=26873770

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001260975A Abandoned AU2001260975A1 (en) 2000-01-25 2001-01-25 Optical systems for measuring form and geometric dimensions of precision engineered parts

Country Status (5)

Country Link
US (1) US6822745B2 (en)
JP (2) JP5112588B2 (en)
AU (1) AU2001260975A1 (en)
DE (1) DE10195052B3 (en)
WO (1) WO2001059402A2 (en)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002031462A1 (en) * 2000-10-05 2002-04-18 Agilent Technologies, Inc. Reference artifact for optical group delay and chromatic dispersion
WO2003076874A1 (en) * 2002-03-08 2003-09-18 Universite De Liege Method and system for large dimension profile measurement
US7139081B2 (en) 2002-09-09 2006-11-21 Zygo Corporation Interferometry method for ellipsometry, reflectometry, and scatterometry measurements, including characterization of thin film structures
US7869057B2 (en) 2002-09-09 2011-01-11 Zygo Corporation Multiple-angle multiple-wavelength interferometer using high-NA imaging and spectral analysis
TWI289708B (en) 2002-12-25 2007-11-11 Qualcomm Mems Technologies Inc Optical interference type color display
JP2006519993A (en) * 2003-03-06 2006-08-31 ザイゴ コーポレーション Profiling complex surface structures using scanning interferometry
US7324214B2 (en) 2003-03-06 2008-01-29 Zygo Corporation Interferometer and method for measuring characteristics of optically unresolved surface features
US6977730B2 (en) * 2003-08-18 2005-12-20 Zygo Corporation Method and apparatus for alignment of a precision optical assembly
WO2005019872A2 (en) * 2003-08-18 2005-03-03 Zygo Corporation Method and apparatus for alignment of a precision optical assembly
US7298494B2 (en) 2003-09-15 2007-11-20 Zygo Corporation Methods and systems for interferometric analysis of surfaces and related applications
US20050134865A1 (en) * 2003-12-17 2005-06-23 Asml Netherlands B.V. Method for determining a map, device manufacturing method, and lithographic apparatus
US7342705B2 (en) 2004-02-03 2008-03-11 Idc, Llc Spatial light modulator with integrated optical compensation structure
US7277183B2 (en) * 2004-04-22 2007-10-02 Zygo Corporation Vibration resistant interferometry
US7161799B2 (en) * 2004-06-11 2007-01-09 Michael Z. Lim Thermal insulating board for laptop computers
US7433058B2 (en) * 2004-07-12 2008-10-07 Solvision Inc. System and method for simultaneous 3D height measurements on multiple sides of an object
US20060017936A1 (en) * 2004-07-22 2006-01-26 Michel Cantin Transparent object height measurement
US7221461B2 (en) 2004-08-13 2007-05-22 Zygo Corporation Method and apparatus for interferometric measurement of components with large aspect ratios
JP4425747B2 (en) * 2004-08-30 2010-03-03 フジノン株式会社 Interferometer device for virtual contact surface measurement
DE102004045806A1 (en) * 2004-09-22 2006-04-06 Robert Bosch Gmbh Interferometer with a mirror arrangement for measuring a measurement object
US7508571B2 (en) 2004-09-27 2009-03-24 Idc, Llc Optical films for controlling angular characteristics of displays
US7813026B2 (en) 2004-09-27 2010-10-12 Qualcomm Mems Technologies, Inc. System and method of reducing color shift in a display
US7710636B2 (en) 2004-09-27 2010-05-04 Qualcomm Mems Technologies, Inc. Systems and methods using interferometric optical modulators and diffusers
US7630123B2 (en) 2004-09-27 2009-12-08 Qualcomm Mems Technologies, Inc. Method and device for compensating for color shift as a function of angle of view
US7268887B2 (en) 2004-12-23 2007-09-11 Corning Incorporated Overlapping common-path interferometers for two-sided measurement
DE602006008896D1 (en) 2005-01-20 2009-10-15 Zygo Corp INTERFEROMETER FOR DETERMINING PROPERTIES OF AN OBJECT SURFACE
US7884947B2 (en) 2005-01-20 2011-02-08 Zygo Corporation Interferometry for determining characteristics of an object surface, with spatially coherent illumination
WO2007000727A2 (en) * 2005-06-28 2007-01-04 Koninklijke Philips Electronics N.V. Method of reconstructing a surface topology of an object
US20070148792A1 (en) * 2005-12-27 2007-06-28 Marx David S Wafer measurement system and apparatus
WO2007044786A2 (en) 2005-10-11 2007-04-19 Zygo Corporation Interferometry method and system including spectral decomposition
JP4717639B2 (en) * 2006-01-06 2011-07-06 東芝機械株式会社 Method and apparatus for measuring both sides of substrate shape
US7636166B2 (en) * 2006-01-23 2009-12-22 Zygo Corporation Interferometer system for monitoring an object
JP4729423B2 (en) * 2006-03-28 2011-07-20 株式会社ミツトヨ Optical interferometer
DE102006023828B4 (en) * 2006-05-20 2011-04-28 Schott Ag Method and device for checking the faces of optical fibers
US7522288B2 (en) 2006-07-21 2009-04-21 Zygo Corporation Compensation of systematic effects in low coherence interferometry
US7845841B2 (en) 2006-08-28 2010-12-07 Qualcomm Mems Technologies, Inc. Angle sweeping holographic illuminator
EP2069838A2 (en) 2006-10-06 2009-06-17 Qualcomm Mems Technologies, Inc. Illumination device with built-in light coupler
EP2366943B1 (en) 2006-10-06 2013-04-17 Qualcomm Mems Technologies, Inc. Optical loss structure integrated in an illumination apparatus of a display
EP1943551A2 (en) 2006-10-06 2008-07-16 Qualcomm Mems Technologies, Inc. Light guide
EP1946162A2 (en) 2006-10-10 2008-07-23 Qualcomm Mems Technologies, Inc Display device with diffractive optics
FI119259B (en) * 2006-10-18 2008-09-15 Valtion Teknillinen Determination of surface and thickness
US7710580B2 (en) * 2006-10-27 2010-05-04 Zygo Corporation Vibration resistant interferometry
US7864395B2 (en) 2006-10-27 2011-01-04 Qualcomm Mems Technologies, Inc. Light guide including optical scattering elements and a method of manufacture
JP4878264B2 (en) * 2006-11-02 2012-02-15 キヤノン株式会社 Inspection method, inspection apparatus, and imprint apparatus
WO2008070635A2 (en) * 2006-12-01 2008-06-12 Coherix, Inc. Method and system for determining a critical dimension of an object
US20080174783A1 (en) * 2006-12-15 2008-07-24 Mater Michael J System and method of interferometric imaging using a digital micromirror device
EP2097713A4 (en) 2006-12-22 2010-09-15 Zygo Corp Apparatus and method for measuring characteristics of surface features
US7777954B2 (en) 2007-01-30 2010-08-17 Qualcomm Mems Technologies, Inc. Systems and methods of providing a light guiding layer
US7889355B2 (en) 2007-01-31 2011-02-15 Zygo Corporation Interferometry for lateral metrology
US20080193320A1 (en) * 2007-02-09 2008-08-14 Burgess-Norton, Mfg. Co., Inc. Manufacture and measuring of automotive components
JP5070370B2 (en) * 2007-05-23 2012-11-14 株式会社ジェイテック Ultraprecision shape measuring method and apparatus
US8072611B2 (en) 2007-10-12 2011-12-06 Zygo Corporation Interferometric analysis of under-resolved features
US7978337B2 (en) 2007-11-13 2011-07-12 Zygo Corporation Interferometer utilizing polarization scanning
US8068710B2 (en) 2007-12-07 2011-11-29 Qualcomm Mems Technologies, Inc. Decoupled holographic film and diffuser
WO2009079334A2 (en) 2007-12-14 2009-06-25 Zygo Corporation Analyzing surface structure using scanning interferometry
WO2009102733A2 (en) 2008-02-12 2009-08-20 Qualcomm Mems Technologies, Inc. Integrated front light diffuser for reflective displays
WO2009102731A2 (en) 2008-02-12 2009-08-20 Qualcomm Mems Technologies, Inc. Devices and methods for enhancing brightness of displays using angle conversion layers
WO2009129264A1 (en) 2008-04-15 2009-10-22 Qualcomm Mems Technologies, Inc. Light with bi-directional propagation
US8004688B2 (en) 2008-11-26 2011-08-23 Zygo Corporation Scan error correction in low coherence scanning interferometry
DE102008055158B4 (en) * 2008-12-24 2011-12-22 Sirona Dental Systems Gmbh Method for 3D measurement of the surface of an object, in particular for dental purposes
DK178405B1 (en) * 2009-01-09 2016-02-08 Technip France Method for measuring at least one geometric characteristic of a planar cross-section to be measured on part
FR2941042B1 (en) * 2009-01-09 2011-07-08 Technip France METHOD FOR MEASURING AT LEAST ONE GEOMETRIC CHARACTERISTIC OF A PLANAR SECTION TO BE MEASURED ON A WORKPIECE
US8107084B2 (en) 2009-01-30 2012-01-31 Zygo Corporation Interference microscope with scan motion detection using fringe motion in monitor patterns
GB0910736D0 (en) * 2009-06-22 2009-08-05 Pilkington Group Ltd Improved film thickness measurement
US8649016B2 (en) 2009-06-23 2014-02-11 Rudolph Technologies, Inc. System for directly measuring the depth of a high aspect ratio etched feature on a wafer
TWI411765B (en) * 2010-05-26 2013-10-11 Univ Nat Formosa Optical detection parallelism device
CN102554709A (en) * 2010-12-10 2012-07-11 通用电气公司 Distance measuring system and distance measuring method
US8902484B2 (en) 2010-12-15 2014-12-02 Qualcomm Mems Technologies, Inc. Holographic brightness enhancement film
US8698891B2 (en) 2011-03-09 2014-04-15 Zygo Corporation Object thickness and surface profile measurements
US8379219B2 (en) 2011-05-27 2013-02-19 Corning Incorporated Compound interferometer with monolithic measurement cavity
CN102798345A (en) * 2012-09-12 2012-11-28 沈阳飞机工业(集团)有限公司 Measuring frame used for calibrating laser two-dimensional sample plate measuring instrument
KR101622538B1 (en) 2013-05-20 2016-05-19 주식회사 고영테크놀러지 Shape measurement apparatus using frequency scanning interferometer
US9651356B1 (en) 2014-01-29 2017-05-16 The United States Of America As Represented By The Secretary Of The Navy Measuremental evaluation of dimensional tolerancing compliance of a cylindrical object
US9335146B1 (en) 2014-01-29 2016-05-10 The United States Of America As Represented By The Secretary Of The Navy Dimensional measurement apparatus for a cylindrical object
JP2015203639A (en) * 2014-04-15 2015-11-16 日立化成株式会社 Insulation layer thickness measurement method
CN105066907B (en) * 2015-07-27 2017-09-01 南京理工大学 A kind of carrier phase minimizing technology for Fourier Transform Profilomery
US10193612B2 (en) * 2015-09-29 2019-01-29 The United States Of America, As Represented By The Secretary Of The Army Time-based radio beamforming waveform transmission
FR3045813B1 (en) * 2015-12-22 2020-05-01 Unity Semiconductor DEVICE AND METHOD FOR MEASURING HEIGHT IN THE PRESENCE OF THIN FILMS
EP3397949B1 (en) * 2015-12-31 2022-05-18 Zygo Corporation Method and apparatus for optimizing the optical performance of interferometers
ES2856333T3 (en) * 2017-06-30 2021-09-27 Fraunhofer Ges Forschung Device for non-contact determination of the straightness of at least one elongated product and procedure for calibrating such a device
JP7057217B2 (en) * 2018-05-21 2022-04-19 株式会社ミツトヨ Calibration method of variable focal length lens and variable focal length lens device
US10782120B2 (en) * 2018-07-03 2020-09-22 Kla Corporation Dual-interferometry wafer thickness gauge
EP3715805A1 (en) * 2019-03-26 2020-09-30 Universite Paris Descartes Single shot hyperspectral wavefront sensor
CN110360952B (en) * 2019-07-01 2021-11-02 西安电子科技大学 Three-dimensional measurement method, system and equipment for phase-shift profilometry and storage medium thereof
CN110243306A (en) * 2019-07-22 2019-09-17 中国工程物理研究院激光聚变研究中心 Plane surface shape sub-aperture stitching interferometer measuring device and method based on robot
CN112683192A (en) 2019-10-18 2021-04-20 三赢科技(深圳)有限公司 Non-contact measuring device for overall dimension of piece to be measured
US11520023B2 (en) 2021-05-10 2022-12-06 Optowaves, Inc. High-speed time-of-interference light detection and ranging apparatus
US11294040B1 (en) 2021-05-10 2022-04-05 Optowaves, Inc. Time-of-interference light detection and ranging apparatus
CN115046469B (en) * 2022-05-20 2023-05-02 浙江大学 Interference fringe envelope extraction method for optical fiber white light interference
US11892566B1 (en) 2022-09-22 2024-02-06 Optowaves, Inc. Multiplexed light detection and ranging apparatus

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0179935B1 (en) * 1984-10-31 1988-05-18 Ibm Deutschland Gmbh Interferometric thickness analyzer and measuring method
US4969736A (en) * 1988-06-17 1990-11-13 Slotwinski Anthony R Integrated fiber optic coupled proximity sensor for robotic end effectors and tools
US4898470A (en) * 1988-07-12 1990-02-06 Eastman Kodak Company Apparatus and method for testing circular cylindrical or conical surfaces
US5293214A (en) * 1991-12-06 1994-03-08 Hughes Aircraft Company Apparatus and method for performing thin film layer thickness metrology by deforming a thin film layer into a reflective condenser
US5363196A (en) * 1992-01-10 1994-11-08 Ultratech Stepper, Inc. Apparatus for measuring a departure from flatness or straightness of a nominally-plane mirror for a precision X-Y movable-stage
US5390023A (en) * 1992-06-03 1995-02-14 Zygo Corporation Interferometric method and apparatus to measure surface topography
JPH06174430A (en) * 1992-12-08 1994-06-24 Nikon Corp Center thickness measuring method and device used for it
US5398113A (en) * 1993-02-08 1995-03-14 Zygo Corporation Method and apparatus for surface topography measurement by spatial-frequency analysis of interferograms
DE4404663A1 (en) * 1994-02-14 1995-08-17 Stiftung Fuer Lasertechnologie Optical measurement of distance separating two parallel measurement surfaces of object
US5502564A (en) * 1994-09-13 1996-03-26 Hughes Aircraft Company Substrate thickness measurement using oblique incidence multispectral interferometry
JPH08122012A (en) * 1994-10-19 1996-05-17 Fuji Photo Optical Co Ltd Reference-plate device for interferometer
US5654798A (en) * 1995-01-19 1997-08-05 Tropel Corporation Interferometric measurement of surfaces with diffractive optics at grazing incidence
US5598265A (en) * 1995-04-06 1997-01-28 Zygo Corporation Method for profiling an object surface using a large equivalent wavelength and system therefor
US5793488A (en) * 1995-07-31 1998-08-11 Tropel Corporation Interferometer with compound optics for measuring cylindrical objects at oblique incidence
US5642196A (en) * 1995-08-28 1997-06-24 Hewlett-Packard Company Method and apparatus for measuring the thickness of a film using low coherence reflectometry
US5633712A (en) * 1995-08-28 1997-05-27 Hewlett-Packard Company Method and apparatus for determining the thickness and index of refraction of a film using low coherence reflectometry and a reference surfaces
DE19602445A1 (en) * 1996-01-24 1997-07-31 Nanopro Luftlager Produktions Device and method for measuring two opposing surfaces of a body
AU2150297A (en) * 1996-01-26 1997-08-20 Boehringer Mannheim Gmbh Low-coherence interferometric device
JPH09320933A (en) * 1996-05-28 1997-12-12 Nikon Corp Scanning type aligner
JP3309743B2 (en) * 1996-11-27 2002-07-29 富士ゼロックス株式会社 Shape measuring method and device
US5987189A (en) * 1996-12-20 1999-11-16 Wyko Corporation Method of combining multiple sets of overlapping surface-profile interferometric data to produce a continuous composite map
US6036504A (en) * 1996-12-27 2000-03-14 Hon Hai Precision Ind. Co., Ltd. Board-to-board connector assembly
US5777738A (en) * 1997-03-17 1998-07-07 Tropel Corporation Interferometric measurement of absolute dimensions of cylindrical surfaces at grazing incidence
JPH112512A (en) * 1997-06-11 1999-01-06 Super Silicon Kenkyusho:Kk Optical configuration measuring instrument for wafer
US6057921A (en) * 1997-07-08 2000-05-02 Etec Systems, Inc. Two piece mirror arrangement for interferometrically controlled stage
US5850287A (en) * 1997-07-11 1998-12-15 Hewlett-Packard Company Roller assembly having pre-aligned for on-line thickness measurements
US6069700A (en) * 1997-07-31 2000-05-30 The Boeing Company Portable laser digitizing system for large parts
JP2963890B2 (en) * 1998-03-09 1999-10-18 株式会社スーパーシリコン研究所 Wafer optical shape measuring instrument
JP4011205B2 (en) * 1998-09-04 2007-11-21 株式会社ニデック Sample inspection equipment
JP4049349B2 (en) * 1999-03-29 2008-02-20 フジノン株式会社 Double-sided shape and thickness unevenness measuring device
US6392752B1 (en) * 1999-06-14 2002-05-21 Kenneth Carlisle Johnson Phase-measuring microlens microscopy
US6597460B2 (en) * 2000-05-19 2003-07-22 Zygo Corporation Height scanning interferometer for determining the absolute position and surface profile of an object with respect to a datum

Also Published As

Publication number Publication date
JP5032680B2 (en) 2012-09-26
US20010043333A1 (en) 2001-11-22
JP2003522939A (en) 2003-07-29
DE10195052B3 (en) 2015-06-18
JP5112588B2 (en) 2013-01-09
WO2001059402A2 (en) 2001-08-16
DE10195052T1 (en) 2003-05-08
US6822745B2 (en) 2004-11-23
JP2011107168A (en) 2011-06-02
WO2001059402A3 (en) 2002-01-17

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