DIFF Subgroup
G01B 9/02017 with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations
Introduced: January 2022
Full Title
Measuring instruments characterised by the use of optical techniques > Interferometers > characterised by the beam path configuration > with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
IPC defines codes here since 2022.
Child Classifications
Navigate with arrow keys, Enter to open
- G01B 9/02018 Multipass interferometers, e.g. double-pass since 2022 IPC+CPC Available in IPC and CPC