CPC Subgroup Additional Only
G02F 2201/30 grating
Full Title
Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 > grating
3 direct subcodes
Child Classifications
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- G02F 2201/302 grating coupler
- G02F 2201/305 diffraction grating
- G02F 2201/307 Reflective grating, i.e. Bragg grating