Final Reports: Supplementary Comparisons - L

Determination of roundness in the equator of two alumina spheres

Supplementary comparisons of standards in the field of measurement of 3D parameters of surface texture

Depth of V-shaped grooves

Depth of v-shaped grooves

Distance measurements using pocket-type laser instruments (EDMs)

Involute gear standards

High precision roundness measurement by error separation techniques

End standards

Calibration of gauge blocks by mechanical comparison

Interference units for measurement of tapes up to 20 m

Comparison of parallel thread gauges

Laser distance measuring instruments

Comparison of profiles of measuring bridges

Squareness measurements

Comparison of the determination of parameters linked to involute gears

Squareness measurements

Comparison of standards in the field of roundness measurements

Comparison of standards in the field of surface density of coating measurements and coating thickness

Calibration of gauge blocks by comparison

Step height standards

Step height standards

Comparison of flatness standards

Comparison of length standards in the range from 0.001 mm to 1 mm

Steel tape measurements

Comparison of reference measuring instruments of surface parameters

Cylindrical artefacts

Calibration of gauge blocks by mechanical comparison

Surface texture measurements

Comparison of length standards for measuring gear parameters

Squareness measurements

Stabilized He-Ne/I₂ lasers at wavelength 633 nm

Flatness of optical flat measured by flatness interferometer

Comparison of straightness and flatness national standards

Comparison of step height measurements

Comparison of standards of Length

Comparison of standards of evolvent surface

Gauge blocks by mechanical comparison

Long gauge blocks by comparative method

Comparison on Hand Instruments

Nanometrology: one-dimensional grating pitch calibration by optical diffraction

Nano particles measurements

Nanometrology: two-dimensional gratings

Geometrical roundness measurements using error separation

Calibration of gauge blocks by mechanical comparison

Gauge block by mechanical comparison

Nanometrology: line scale standards

Comparison of high accuracy gauge block interferometers

Nanometric lateral scale

Nanometrology: step height standards

Calibration of gauge blocks by interferometry

Comparison of surface roughness and step height (depth) standards

Transducer displacement error

Measurement of a 1 mm stage micrometer

Calibration of Dial Gauge

Calibration of Setting Rods

Calibration of Feeler gauges

Calibration of Caliper

Calibration of External Micrometer

Calibration of Pin Gauges

Calibration of gauge blocks by mechanical comparison

Thermal expansion coefficient of gauge blocks

Nanometrology: one-dimensional gratings

Comparison of comparators with photoelectric microscopes

Gauge blocks by mechanical comparison