Thin film magnetic head including adhesion enhancing interlayers

Details Thin film magnetic head including adhesion enhancing interlayers Thin film magnetic head including adhesion enhancing interlayers

1998-02-11

1999-11-16

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 539

Patent

active

059868570

ABSTRACT:
A thin film magnetic head includes a magnetoresistive element portion movable over and relative to a magnetic recording medium for reading information stored therein, upper and lower shielding layers disposed with the magnetoresistive element portion therebetween for magnetically shielding the magnetoresistive element portion, and upper and lower gap insulative layers respectively interposed between the upper shielding layer and the magnetoresistive element portion and between the lower shielding layer and the magnetoresistive element portion. Each of the upper and lower gap insulative layers includes a hydrogen-incorporated film. The upper gap insulative layer has an increased hydrogen content and a reduced internal stress relative to the lower gap insulative layer.

REFERENCES:
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Applied Physics, vol. 56, No. 7 (1987), pp. 923-924.
A. Raveh et al.; "Structure-property relationships in dual-frequency plasma deposited hard a-C: H films"; Surface and Coatings Technology, vol. 53, No. 3, Nov. 10, 1992, pp. 275 to 282.
T. L. Chu et al.; "Hydrogenated amorphous silicon films by the pyrolysis of disilane"; Materials Issues in Applications of Amorphous Silicon Technology, San Francisco, CA; 1985; pp. 21 to 26.
B. Meyerson et al.; "Chemical modification of the electrical properties of hydrogenated amorphous carbon films"; Solid State Communications, vol. 34, No. 7, May 1, 1980; pp. 531 to 534.

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