CH600303A5 - - Google Patents

Info

Publication number
CH600303A5
CH600303A5 CH65176A CH65176A CH600303A5 CH 600303 A5 CH600303 A5 CH 600303A5 CH 65176 A CH65176 A CH 65176A CH 65176 A CH65176 A CH 65176A CH 600303 A5 CH600303 A5 CH 600303A5
Authority
CH
Switzerland
Application number
CH65176A
Inventor
Yoshiaki Kimura
Hiroshi Ito
Original Assignee
Konishiroku Photo Ind
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 Konishiroku Photo Ind filed Critical Konishiroku Photo Ind
Publication of CH600303A5 publication Critical patent/CH600303A5/xx

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
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • 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)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CH65176A 1975-01-21 1976-01-20 CH600303A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50009402A JPS604401B2 (ja) 1975-01-21 1975-01-21 干渉装置

Publications (1)

Publication Number Publication Date
CH600303A5 true CH600303A5 (fr) 1978-06-15

Family

ID=11719415

Family Applications (1)

Application Number Title Priority Date Filing Date
CH65176A CH600303A5 (fr) 1975-01-21 1976-01-20

Country Status (6)

Country Link
US (1) US4072423A (fr)
JP (1) JPS604401B2 (fr)
CH (1) CH600303A5 (fr)
DE (1) DE2602158A1 (fr)
FR (1) FR2298784A1 (fr)
GB (1) GB1546881A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325637A (en) * 1980-06-02 1982-04-20 Tropel, Inc. Phase modulation of grazing incidence interferometer
US4618261A (en) * 1984-01-16 1986-10-21 Massachusetts Institute Of Technology Optical gap measuring
JPS60209106A (ja) * 1984-03-31 1985-10-21 Konishiroku Photo Ind Co Ltd 平面度検査装置
JPH0650243B2 (ja) * 1984-12-14 1994-06-29 株式会社日立製作所 光波干渉装置
US4732483A (en) * 1987-03-19 1988-03-22 Zygo Corporation Interferometric surface profiler
US5923425A (en) * 1997-11-20 1999-07-13 Tropel Corporation Grazing incidence interferometry for measuring transparent plane-parallel plates
JP2000321021A (ja) 1999-05-10 2000-11-24 Canon Inc 干渉装置、変位測定装置、及びそれを用いた情報記録又は／及び再生装置
JP2001194132A (ja) * 2000-01-11 2001-07-19 Fuji Photo Optical Co Ltd 斜入射干渉計用光学系およびこれを用いた装置
JP2005049317A (ja) * 2003-07-31 2005-02-24 Nidek Co Ltd 干渉計
TWI245926B (en) * 2004-05-10 2005-12-21 Chroma Ate Inc Device and method of an interference scanner
JP4906708B2 (ja) * 2007-12-26 2012-03-28 Ｈｏｙａ株式会社 レンズ用画像撮像装置
US9500468B2 (en) 2014-08-25 2016-11-22 Board Of Trustees Of Michigan State University Scanning interferometry technique for through-thickness evaluation in multi-layered transparent structures
US11346747B2 (en) * 2017-10-27 2022-05-31 Harris Corporation QTIP—quantitative test interferometric plate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450839A (en) * 1944-08-16 1948-10-05 Bendix Aviat Corp Interferometric comparator
US2518647A (en) * 1948-01-07 1950-08-15 Celanese Corp Interferometer means for thickness measurements
FR1541747A (fr) * 1967-08-28 1968-10-11 Comp Generale Electricite Dispositif de détection et de mesure à distance de déplacements
US3804521A (en) * 1972-02-22 1974-04-16 Itek Corp Optical device for measuring surface roughness
DE2315658C3 (de) * 1973-03-29 1980-11-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Vorrichtung zur Verminderung oder Beseitigung der bei Laserstrahlprojektionen auftretenden Granulation

Also Published As

Publication number Publication date
FR2298784A1 (fr) 1976-08-20
US4072423A (en) 1978-02-07
JPS604401B2 (ja) 1985-02-04
GB1546881A (en) 1979-05-31
JPS5184267A (en) 1976-07-23
DE2602158B2 (fr) 1979-01-04
DE2602158C3 (fr) 1979-08-30
DE2602158A1 (de) 1976-07-22

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Legal Events

Date Code Title Description
PL Patent ceased