Improved magnetic head having smoothed chamfered surface for red

Details Improved magnetic head having smoothed chamfered surface for red Improved magnetic head having smoothed chamfered surface for red

1994-06-01

1996-12-10

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Gap spacer

360125, G11B 531

Patent

active

055837280

ABSTRACT:
At least the first chamfered portion 22 for forming the apex portion 8 has a surface roughness (R.sub.p-p) of 0.6 .mu.m or under. This first chamfered portion 22 is formed through grinding with a #2500 or #1500 grinding stone.

REFERENCES:
patent: 4188649 (1980-02-01), Cheatham et al.
patent: 4361860 (1982-11-01), Nozawa

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