| 摘要 |
The present invention provides a method of manufacturing a thin film magnetic head capable of assuring recording characteristics by determining throat height with high precision. A TH specifying layer is formed so as to extend to a position P 1 while being adjacent to a gap layer, and an auxiliary insulating layer is similarly formed so as to extend from the position P 1 while being adjacent to the gap layer and specify throat height on the basis of the position P 1. After that, a main insulating layer is formed so as to cover a thin film coil on the auxiliary insulating layer, and a yoke layer is formed so as to extend while being partially on the TH specifying layer. The throat height is determined accurately and stably on the basis of the position P 1 by the auxiliary insulating layer.
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