TREA

using several gratings with variable grating pitch, projected on the object with the same angle of incidence

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Industry

  • CPC
  • G01B11/2536
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Parent Industries

GPHYSICS G01Measuring instruments 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 means

Current Industry

G01B11/2536using several gratings with variable grating pitch, projected on the object with the same angle of incidence
Industries