| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetoresistive head, having high yield and high reliability and coping with higher recording density. SOLUTION: A laminated structure of an insulating film 1 consists of, or consisting Al2O3, SiO2, AlN, or Si3N4 as essential components, and high- resistance films 2, 3, 4 and 5 like semiconductor is adopted as a lower gap film or as an upper gap film.
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