IPC Subgroup
G11B 5/147 with cores being composed of metal sheets, i.e. laminated cores
Introduced: January 1985
Last revised: January 2006
Full Title
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor > Structure or manufacture of heads, e.g. inductive > with cores being composed of metal sheets, i.e. laminated cores
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
1 direct subcode
Child Classifications
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- G11B 5/153 with tape-wound cores