Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1993-03-11
1999-06-22
Cao, Allen T.
Dynamic magnetic information storage or retrieval
Head
Head accessory
G11B 1560
Patent
active
059148403
ABSTRACT:
A magnetic tape guide apparatus which can guide not only a magnetic tape having an applied magnetic layer thereon but also a magnetic thin metal film magnetic tape with a high transport performance is disclosed. The magnetic tape guide apparatus comprises a magnetic tape guide drum or a guide pin having a cylindrical profile for guiding a magnetic tape along a magnetic guide face provided by an outer circumferential face thereof. The magnetic tape guide face is formed as a roughened face wherein the height .delta. of crests is selected within the range of 0.2 .mu.m to 3.0 .mu.m and the pitch x of the crests is selected so that it satisfies 0.050 mm .ltoreq.x.ltoreq.(329.delta.)1/4 mm.
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Kawakami Kikuji
Osaki Hiroyuki
Cao Allen T.
Sony Corporation
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