ClassID:

167919

G01N2021/4759 - CPC Classification

Classification description:

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems in which incident light is modified in accordance with the properties of the material investigated; Scattering, i.e. diffuse reflection; Diffuse reflection , e.g. also for testing fluids, fibrous materials; Details of optical heads therefor, e.g. using optical fibres; Geometry Annular illumination

Recent Application in this class: