DIFF Subgroup
G03G 5/024 Photoelectret layers
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor > Charge-receiving layers > Photoelectret layers
CPC:
Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor > Charge-receiving layers (G03G5/153 takes precedence) > Photoelectret layers
No child classifications to compare. This is a leaf node in both IPC and CPC.