DIFF Subgroup
G02B 5/02 Diffusing elements; Afocal elements
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Optical elements other than lenses > Diffusing elements; Afocal elements
CPC:
Optical elements other than lenses (light guides G02B6/00; optical logic elements G02F3/00) > Diffusing elements; Afocal elements
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open