FR2150037A5 - - Google Patents

Info

Publication number
FR2150037A5
FR2150037A5 FR7228830*A FR7228830A FR2150037A5 FR 2150037 A5 FR2150037 A5 FR 2150037A5 FR 7228830 A FR7228830 A FR 7228830A FR 2150037 A5 FR2150037 A5 FR 2150037A5
Authority
FR
France
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
Application number
FR7228830*A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Priority claimed from DE19712139836 external-priority patent/DE2139836C3/de
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR2150037A5 publication Critical patent/FR2150037A5/fr
Expired 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
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/306—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces for measuring evenness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Holo Graphy (AREA)
FR7228830*A 1971-08-09 1972-07-26 Expired FR2150037A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712139836 DE2139836C3 (de) 1971-08-09 Verfahren zum berührungslosen Messen der Unebenheiten von Oberflächen

Publications (1)

Publication Number Publication Date
FR2150037A5 true FR2150037A5 (fr) 1973-03-30

Family

ID=5816236

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7228830*A Expired FR2150037A5 (fr) 1971-08-09 1972-07-26

Country Status (4)

Country Link
US (1) US3858981A (fr)
JP (1) JPS5534361B2 (fr)
FR (1) FR2150037A5 (fr)
GB (1) GB1403013A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413632A1 (fr) * 1977-12-27 1979-07-27 Ibm Procede interferometrique a resolution 1/4 servant notamment pour la fabrication des circuits integres

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1449044A (en) * 1972-11-14 1976-09-08 Kongsberg Vapenfab As Procedures and apparatuses for determining the shapes of surfaces
US4185918A (en) * 1975-08-27 1980-01-29 Solid Photography Inc. Arrangement for sensing the characteristics of a surface and determining the position of points thereon
US4175862A (en) * 1975-08-27 1979-11-27 Solid Photography Inc. Arrangement for sensing the geometric characteristics of an object
DE2636211C2 (de) * 1976-08-12 1978-01-26 Ibm Deutschland Gmbh, 7000 Stuttgart Interferometrisches Verfahren zur Abstands- oder Ebenheitsmessung
JPS5373841U (fr) * 1976-11-19 1978-06-20
US4272196A (en) * 1979-01-12 1981-06-09 Lasag S.A. Optical sizing mask and process
US4302108A (en) * 1979-01-29 1981-11-24 Polaroid Corporation Detection of subsurface defects by reflection interference
JPS5853172A (ja) * 1981-09-26 1983-03-29 日本航空電子工業株式会社 多極コネクタ
US4560222A (en) * 1984-05-17 1985-12-24 Molex Incorporated Drawer connector
US4981360A (en) * 1989-05-10 1991-01-01 Grumman Aerospace Corporation Apparatus and method for projection moire mapping
US5025285A (en) * 1989-05-10 1991-06-18 Grumman Aerospace Corporation Apparatus and method for shadow moire mapping
GB9009110D0 (en) * 1990-04-23 1990-06-20 Europ Vision Syst Centre Improvements relating to optical measuring systems
US5471307A (en) * 1992-09-21 1995-11-28 Phase Shift Technology, Inc. Sheet flatness measurement system and method
DE4313860A1 (de) * 1993-04-28 1994-11-03 Ralf Lampalzer Optischer Sensor zur Formerfassung dreidimensionaler Objekte
GB9405457D0 (en) * 1994-03-19 1994-05-04 British Aerospace Testing a metal component for cold compression of the metal
US5610719A (en) * 1995-07-10 1997-03-11 Qc Optics, Inc. Displacement detection system
US6731391B1 (en) * 1998-05-13 2004-05-04 The Research Foundation Of State University Of New York Shadow moire surface measurement using Talbot effect
US6057922A (en) * 1999-04-27 2000-05-02 Eastman Kodak Company Optical testing method and apparatus employing a distortion verification grid
IL144805A (en) * 2001-08-08 2006-08-01 Nova Measuring Instr Ltd Method and system for measuring the topograpy of a sample
US7230722B2 (en) * 2005-10-19 2007-06-12 University Of Maryland Shadow moire using non-zero talbot distance
CN110500970B (zh) * 2019-08-01 2021-05-11 佛山市南海区广工大数控装备协同创新研究院 一种多频率结构光三维测量方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2867149A (en) * 1953-10-05 1959-01-06 Bell Telephone Labor Inc Method of determining surface flatness
US3185022A (en) * 1961-06-15 1965-05-25 Gen Electric Optical gage for testing surface imperfections
US3614237A (en) * 1969-01-21 1971-10-19 Lockheed Aircraft Corp Method and apparatus for contour measurement
US3627427A (en) * 1970-02-11 1971-12-14 Lockheed Aircraft Corp Method and apparatus for contour measurement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413632A1 (fr) * 1977-12-27 1979-07-27 Ibm Procede interferometrique a resolution 1/4 servant notamment pour la fabrication des circuits integres

Also Published As

Publication number Publication date
GB1403013A (en) 1975-08-13
JPS5534361B2 (fr) 1980-09-06
JPS4826170A (fr) 1973-04-05
US3858981A (en) 1975-01-07
DE2139836B2 (de) 1975-10-30
DE2139836A1 (de) 1973-02-22

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Legal Events

Date Code Title Description
ST Notification of lapse