Dynamic magnetic information storage or retrieval – Head – Head surface structure
Patent
1993-07-19
1995-06-20
Levy, Stuart S.
Dynamic magnetic information storage or retrieval
Head
Head surface structure
360125, G11B 5187
Patent
active
054265517
ABSTRACT:
A magnetic head and its manufacture where the head includes two spaced apart coplanar wear surfaces that are aligned along an axis in spaced apart relationship. Nonmagnetic material joins the two raised wear surfaces. A transducer is imbedded in the nonmagnetic material. And the transducer has an elongated surface of uniform width on one side that extends in a direction transverse to the raised wear surfaces. The elongated surface of the core and the surface of the magnetic material together form a composite wear surface that is generally coplanar with the raised wear surfaces. The area of the elongated surface of the magnetic core and the surface area of the nonmagnetic material are so proportioned that the wear of the composite wear surface is controlled by the nonmagnetic material. The hardness of the surface extending transversely of the raised elongated wear surfaces being selected to effect a predetermined wear between the composite surface and magnetic contact media and between the raised elongated wear surfaces and magnetic contact media.
REFERENCES:
patent: 4300179 (1981-11-01), Barnes et al.
patent: 4589043 (1986-05-01), Grundtner
patent: 4686596 (1987-08-01), Kraemer et al.
patent: 4695909 (1987-08-01), Momata et al.
patent: 4697217 (1987-09-01), Matsuura et al.
patent: 4706146 (1987-11-01), Dohmen et al.
patent: 4809110 (1989-02-01), Hertrich
patent: 4949208 (1990-08-01), Milo et al.
patent: 5055959 (1991-10-01), Saliba
patent: 5157569 (1992-10-01), Kumasaka et al.
Patent Abstracts of Japan, vol. 13, No. 35, (P-818) (3383) 26 Jan. 1989 & JP-A-63 231 707 (Hitachi Ltd.) abstract.
Patent Abstracts of Japan vol. 12, No. 138 (P-695) (2985) 27 Apr. 1988 & JP-A-62 259 208 (Nippon Ahoso Kyokai) abstract.
WO-A-8 906 420 (Eastman Kodak Co.) abstract; claims; figures. 7/89.
Evans Jefferson
Harrison David B.
Levy Stuart S.
Quantum Corp.
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