DIFF Subgroup
G11B 5/855 Coating only part of a support with a magnetic layer
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor > Processes or apparatus specially adapted for manufacturing record carriers > Coating only part of a support with a magnetic layer
CPC:
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (G11B11/00 take precedence) > Processes or apparatus specially adapted for manufacturing record carriers > Coating only part of a support with a magnetic layer
No child classifications to compare. This is a leaf node in both IPC and CPC.