Structure or manufacture of heads, e.g. inductive

Child Classifications

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• G11B 5/1272 CPC only CPC only
• G11B 5/1274 +1 CPC CPC only CPC only
• G11B 5/1278 CPC only CPC only
• G11B 5/133 with cores composed of particles, e.g. with dust cores, with ferrite cores since 1985 +1 CPC IPC+CPC Available in IPC and CPC
• G11B 5/147 with cores being composed of metal sheets, i.e. laminated cores since 1985 +1 CPC IPC+CPC Available in IPC and CPC
• G11B 5/17 Construction or disposition of windings since 1985 IPC+CPC Available in IPC and CPC
• 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) since 1985 +2 CPC IPC+CPC Available in IPC and CPC
• 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 ) since 1985 +2 CPC IPC+CPC Available in IPC and CPC
• G11B 5/29 Structure or manufacture of unitary devices formed of plural heads for more than one track since 1985 +1 CPC IPC+CPC Available in IPC and CPC
• G11B 5/31 using thin films since 1985 +5 CPC IPC+CPC Available in IPC and CPC
• G11B 5/325 Erasing heads using permanent magnets (general details therefor G11B5/133 - G11B5/255) since 1985 IPC+CPC Available in IPC and CPC
• G11B 5/33 Structure or manufacture of flux-sensitive heads, ( ; general details therefor G11B5/133 - G11B5/255) since 1985 +1 CPC IPC+CPC Available in IPC and CPC