IPC Subgroup
G02B 5/18 Diffracting gratings
Introduced: September 1968
Last revised: January 2006
Full Title
Optical elements other than lenses > Diffracting gratings
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
Related Keywords
DIAPHRAGMS for optical graticulesoptical elements using DIFFRACTIONdiffracting GRATING(S)