Magnetic head having a wear resistant layer substantially compri

Details Magnetic head having a wear resistant layer substantially compri Magnetic head having a wear resistant layer substantially compri

1996-08-13

1999-04-20

Cao, Allen T.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

G11B 5187

Patent

active

058962530

ABSTRACT:
A magnetic head having a head face (5) and a layer structure with a transducing element (E11) and a transducing gap terminating in the head face. At the area of the transducing gap and at both sides of the transducing gap the head face is coated with a layer (31) substantially comprising Cr.sub.2 O.sub.3 for forming a contact face (33) for cooperation with a record carrier. The layer substantially comprising Cr.sub.2 O.sub.3 having a thickness in the range between 10 and 100 nm is preferably provided by reactive RF sputtering.

REFERENCES:
patent: 3665436 (1972-05-01), Murray et al.
patent: 4052748 (1977-10-01), Kuijk
patent: 5425988 (1995-06-01), Ogawa et al.
IBM Technical Disclosure Bulletin (vol. 7 No. 4 Sep. 1964, p. 333).
IBM Technical Disclosure Bulletin (vol. 11 No. 10 Mar. 1969, p. 1199).
IBM Technical Disclosure Bulletin (vol. 13 No. 9 Feb. 1971, p. 2759).
IBM Technical Disclosure Bulletin, vol. 11, No. 10, Mar. 1969, p. 1199.

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