Magnetic head having recording medium facing surfaces with tilte

Details Magnetic head having recording medium facing surfaces with tilte Magnetic head having recording medium facing surfaces with tilte

Filed on

1997-07-18

Date issued

2000-01-18

Examiner

Evans, Jefferson

Patent Class

Dynamic magnetic information storage or retrieval

SubClass

Head

SubSubClass

Core

Other Related Categories

360122, G11B 5127

Type

Patent

Status

active

Patent number

060162430

Description

ABSTRACT:
A magnetic head is provided which realizes long service life and high reliability by improved abrasion resistance without deteriorating output characteristics of the magnetic head during recording/reproduction. In a magnetic head having a pair of magnetic cores which are joined together to form a unified magnetic core and between abutment surfaces of which is formed a magnetic gap, a pair of magnetic cores are each formed by a single-crystal ferrite having a surface perpendicular to the abutment surfaces formed by the (100) plane. One of the magnetic cores is arranged so that an angle .theta. between the <100>crystal orientation in a surface perpendicular to the abutment surfaces and the abutment surfaces is in a range of 0.degree..gtoreq..theta..gtoreq.26.degree., while the other magnetic core is arranged so that an angle .theta. between the <100> crystal orientation in a surface perpendicular to the abutment surfaces and the abutment surfaces is in a range or 154.degree..gtoreq..theta..gtoreq.180.degree..

REFERENCES:
patent: 5057955 (1991-10-01), Inagoya et al.
patent: 5202806 (1993-04-01), Kawase
patent: 5515222 (1996-05-01), Kumagai et al.
patent: 5576912 (1996-11-01), Mitsumata et al.

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