Thin film head having a core comprising Fe-N-O in a specific ato

Details Thin film head having a core comprising Fe-N-O in a specific ato Thin film head having a core comprising Fe-N-O in a specific ato

1995-04-28

1997-04-01

Resan, Stevan A.

Dynamic magnetic information storage or retrieval

Head

Hall effect

360125, 360126, 428692, 428693, 428704, 428900, G11B 531

Patent

active

056172753

ABSTRACT:
A magnetic thin film head includes a soft magnetic alloy thin film having in a composition expressed by the formula Fe.sub.X N.sub.Y O.sub.Z, wherein each of X, Y and Z represents an atomic composition ratio, and preferably having four phases including an iron oxide expressed as Fe.sub.2 O.sub.3, iron nitrides expressed as Fe.sub.4 N and Fe.sub.3 N respectively, and .alpha.-Fe. X, Y and Z appearing in the composition formula are preferably in the following relations:

REFERENCES:
patent: 4969962 (1990-11-01), Watanabe et al.
patent: 4990361 (1991-02-01), Yasunaga et al.
patent: 5073214 (1991-12-01), Hirota et al.
patent: 5302469 (1994-04-01), Sugenoya et al.
patent: 5309305 (1994-05-01), Nepela et al.
patent: 5466539 (1995-11-01), Takayama
Structural and soft magnetic properties of nitrogen added iron films by sputter depoisition, by K. Kijima et al (Sony Information Systems Research Center, Nov. 1987 p. 230.

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