Magnetic head including an apex portion with two chamfered porti

Details Magnetic head including an apex portion with two chamfered porti Magnetic head including an apex portion with two chamfered porti

1996-01-24

1996-11-05

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Gap spacer

G11B 523

Patent

active

055723900

ABSTRACT:
A magnetic head is provided with an apex portion having a first and second chamfered portion, both formed in a C core. The first chamfered portion has a first apex angle .alpha. at a position corresponding to a predetermined gap depth. The first chamfered portion also has a predetermined apex length. The second chamfered portion is contiguous to the first chamfered portion and has second apex angle .beta. which is smaller than the first apex angle .alpha.. The first apex angle .alpha. is greater than or equal to 70.degree. and less than 80.degree..

REFERENCES:
patent: 4434445 (1984-02-01), Van Herk
patent: 4768118 (1988-08-01), Kuriyana
patent: 4805058 (1989-02-01), Takeuchi et al.
patent: 4951166 (1990-08-01), Schewe
patent: 5173821 (1992-12-01), Maloney
patent: 5245488 (1993-09-01), Iwamoto et al.
patent: 5276575 (1994-01-01), Kobayashi et al.
Valstyn, Erich P. et al. "Optimization of Ferrite Heads for Thin Media," IEEE Transactions on Magnetics, vol. MAG-22, No. 5, Sep. 1986, 847-9.

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