Dynamic magnetic information storage or retrieval – Head – Head surface structure
Patent
1994-02-04
1996-01-30
Levy, Stuart S.
Dynamic magnetic information storage or retrieval
Head
Head surface structure
360103, 360126, G11B 560, G11B 5147
Patent
active
054885272
ABSTRACT:
A magnetic head for stretch surface recording SSR includes a floating head slider having a facing surface formed as a part of a spherical surface, wherein a radius R of said spherical surface is given by 80 mm.ltoreq.R.ltoreq.100 mm, the facing surface as viewed from a magnetic recording medium is in the shape of a rectangle having an overall length L along the air flow of 3 mm or less and a transverse width W in a direction normal to the air flow of about 2 mm or less, and wherein at least two longitudinal grooves each having a width w given by 100 .mu.m.ltoreq.w.ltoreq.500 .mu.m are formed on the facing surface extending along the air flow. Floating stability at a high frequency range of 1 to 14 MH.sub.2 is achieved.
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Kato Yoshiaki
Komori Noboru
Umekida Masaru
Evans Jefferson
Fuji Photo Film Co. , Ltd.
Levy Stuart S.
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