IPC Subgroup
G01B 9/02015 characterised by the beam path configuration
Introduced: January 2022
Full Title
Measuring instruments characterised by the use of optical techniques > Interferometers > characterised by the beam path configuration
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
1 direct subcode
Child Classifications
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- G01B 9/02017 with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations