CPC Subgroup
G11B 5/127 Structure or manufacture of heads, e.g. inductive
Full Title
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (G11B11/00 take precedence) > Structure or manufacture of heads, e.g. inductive
12 direct subcodes
Child Classifications
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- G11B 5/133 with cores composed of particles, e.g. with dust cores, with ferrite cores
- G11B 5/147 with cores being composed of metal sheets, i.e. laminated cores
- G11B 5/17 Construction or disposition of windings
- G11B 5/187 Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features (G11B5/265, , G11B5/31 take precedence)
- G11B 5/265 Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track (G11B5/33 takes precedence )
- G11B 5/29 Structure or manufacture of unitary devices formed of plural heads for more than one track
- G11B 5/31 using thin films
- G11B 5/325 Erasing heads using permanent magnets (general details therefor G11B5/133 - G11B5/255)
- G11B 5/33 Structure or manufacture of flux-sensitive heads, ( ; general details therefor G11B5/133 - G11B5/255)