DIFF Subgroup
G11B 5/016 using magnetic foils
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor > Recording on, or reproducing or erasing from, magnetic disks > using magnetic foils
CPC:
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (G11B11/00 take precedence) > Recording on, or reproducing or erasing from, magnetic disks (G11B17/00, G11B19/00 take precedence) > using magnetic foils
No child classifications to compare. This is a leaf node in both IPC and CPC.