DIFF Subgroup
G03G 5/16 Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
Introduced: January 1980
Full Title
Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor > Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
No child classifications to compare. This is a leaf node in both IPC and CPC.