Investigating the presence of flaws, defects or contamination

Introduced: January 1980

Last revised: January 2006

Full Title

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, defects or contamination

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

6 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

G01N 21/89 in moving material, e.g. paper, textiles
G01N 21/9 in a container or its contents
G01N 21/91 using penetration of dyes, e.g. fluorescent ink
G01N 21/93 Detection standards; Calibrating
G01N 21/94 Investigating contamination, e.g. dust
G01N 21/95 characterised by the material or shape of the object to be examined