Magnetic head with polycrystalline silicon layer on slide runnin

Details Magnetic head with polycrystalline silicon layer on slide runnin Magnetic head with polycrystalline silicon layer on slide runnin

1995-12-29

1998-07-14

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 560

Patent

active

057813760

ABSTRACT:
The magnetic head disclosed has a slider which comprises a running surface where contact-sliding with respect to a magnetic recording medium occurs, and a polycrystalline silicon film which is provided on at least a portion of said running surface. The polycrystalline silicon film has a thickness of 3 to 10 nm. The running surface is formed of Al.sub.2 O.sub.3.TiC ceramic or silicon. This arrangement is effective in preventing an attraction phenomenon between the head and medium, reducing a frictional coefficient and suppressing damage to the medium.

REFERENCES:
patent: 5010429 (1991-04-01), Taguchi et al.
patent: 5305165 (1994-04-01), Brezoczky et al.
patent: 5323282 (1994-06-01), Kanai et al.
patent: 5535073 (1996-07-01), Brezoczky et al.
patent: 5579199 (1996-11-01), Kawamura et al.
patent: 5670253 (1997-09-01), Chiu et al.

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