Magnetic head and its mfg. method and magnetic recordig and/or reproducing system
A technology of magnetic recording and magnetic head, applied in the direction of magnetic recording, magnetic recording head, data recording, etc., can solve the problems such as the reduction of recording and reproduction efficiency and the limitation of improving the efficiency of magnetic head.
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[0060] (first preferred embodiment)
[0061] exist figure 1 The structure of the first preferred embodiment of the magnetic head according to the present invention is shown in . The magnetic head 1 in the first preferred embodiment includes a pair of magnetic parts 2a and 2b made of a soft magnetic material having a thickness of eg about 200nm, a recording coil 5, and a magnetoresistance effect element 6 of eg 300nm2. The principal planes 3 of the pair of magnetic parts 2 a and 2 b are arranged parallel to the recording medium 10 . That is, the main plane 3 serves as a medium-facing surface. In addition, the recording medium 10 is a longitudinal recording medium formed such that a signal-recorded medium layer 10b is formed on a soft magnetic material thin film 10a.
[0062] The pair of magnetic parts 2a and 2b are designed to be separated from each other by a magnetic gap 4 . The magnetic gap 4 is configured to have a relatively small length G1 of, for example, about 50 n...
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