High density multitrack magnetic head

Details High density multitrack magnetic head High density multitrack magnetic head

1976-10-26

1978-04-11

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Plural gaps

360125, G11B 522

Patent

active

040841995

ABSTRACT:
The front face of a multitrack magnetic head has a stack of track defining pole pairs and spacers between the pole pairs of adjacent tracks. The spacers are slotted, and shields reside in the slots. A chamfer runs longitudinally of the stack. Embracing opposite sides of the stack and parallel to the chamfer, are non-magnetic wing parts, such parts being part of a surround used in the manufacture of the front face. Bonding glass, in the form of a unitary "lattice" fills the chamfer, and the spacings between the ceramic and shields, and the wing parts and stack.
The method for forming the head employs a surround having a depth greater than the depth of the stack, thereby forming a basin for accepting the bonding glass.

REFERENCES:
patent: 3593414 (1971-07-01), Beun et al.
patent: 3668775 (1972-06-01), Morita et al.
patent: 3761641 (1973-09-01), Mlinaric
patent: 3807042 (1974-04-01), Braitberg et al.
patent: 3842494 (1974-10-01), Chiba et al.
patent: 3843968 (1974-10-01), Kroon
patent: 3851375 (1974-12-01), Koorneef
patent: 3909932 (1975-10-01), Kroon

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