ClassID:

168162

G01N2021/8819 - 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 specially adapted for particular applications; Investigating the presence of flaws or contamination; Specially adapted optical and illumination features; Diffuse illumination, e.g. "sky" by using retroreflecting screen

Recent Application in this class: