Patent ID: 7002776

Claim:
A thin film magnetic head having at least two magnetic layers including a first magnetic pole and a second magnetic pole being magnetically coupled to each other, part of sides of which facing a recording medium face each other sandwiching a write gap layer, and one or more than two layers of thin film coil for generating magnetic flux, comprising: a first magnetic layer; a first magnetic pole formed being divided from the first magnetic layer, a surface of which being the opposite of a adjacent surface of the write gap layer is magnetically coupled to part of a region of the first magnetic layer; an insulating layer formed of an inorganic material, and formed extendedly, at least from a surface of the first magnetic pole which is the opposite of a side facing the recording medium to one of the surfaces of the first magnetic layer; a thin film coil buried in a region in which the insulating layer is formed; a second magnetic pole facing the first magnetic pole sandwiching the write gap layer, as well as being formed longer than the first magnetic pole from a surface facing the recording medium to the inner direction and facing at least a part of the thin film coil; and a second magnetic layer formed by being divided from the second magnetic pole and magnetically coupled to the second magnetic pole in, at least, part of a surface of the second magnetic pole which is the opposite of adjacent surface of the write gap layer.