Patent ID: 6297930
Filing Date: 2001-10-02
Classification: G11B

Abstract:
A magnetic head comprises:a front chip core having operation gaps,a slider made of a non-magnetic material, which is unified with the front chip core and forms a front core, one side of which slides on a magnetic recording medium,a back yoke made of a magnetic material which is bonded to the other side of the front core, wherein the back yoke comprises a closed member consisting of a hollow square pillar-like outer body to be connected to the front core with a tip end thereof and a bottom portion formed at a proximal side of the outer body, a plurality of leg portions which stand upright in juxtaposing manner on the bottom portion, tip end of which is bonded to the front chip core, and form a closed magnetic circuit together with the front chip core and the bottom portion, and a cut out is formed at a portion of the closed member which is located nearby at least one end side leg portion of a plurality of leg portions, in which a terminal stand of a bobbin coil with terminals formed by being coupled with a wiring is disposed and the bobbin is coupled in a leg portion,wherein further an approximately hollow square pillar-like shield cover made of a magnetic material, which surrounds a plurality of leg portions and the wiring of the coil to close the cut out with the terminal stand of the coil, is provided,wherein a stepped portion is provided on the bottom portion in such a manner as a gap is formed between the terminal stand of the bobbin coil with the terminals and the shield cover such that a lead of the wiring can come through the gap.