FR1515867A - Procédé pour la détection de petites différences entre un objet à l'essai et une surface de référence et appareil pour sa mise en oeuvre
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Procédé pour la détection de petites différences entre un objet à l'essai et une surface de référence et appareil pour sa mise en oeuvre
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National Research Development Corp UK
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National Research Development Corp UK
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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
G01B9/021—Interferometers using holographic techniques
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Physics & Mathematics
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General Physics & Mathematics
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Holo Graphy
(AREA)
FR69047413A1965-06-151966-06-15Procédé pour la détection de petites différences entre un objet à l'essai et une surface de référence et appareil pour sa mise en oeuvre
ExpiredFR1515867A
(fr)