Magnetic head device with magnetic head sliding block and disc device using magnetic head device

Abstract

A magnetic head apparatus including a magnetic head slider having an overall front half region area (S) and a step surface area (S1) and a positive-pressure generating surface area (S2) both in the front half region, such that the area ratio S1 / S is about 0.180 to about 0.232 and the area ratio S1 / S2 is about 0.30 to about 0.47. With this arrangement a difference in pitch angles of the magnetic head slider at the moment when it is just levitated and during levitation is large, and a variation of the pitch angle due to a pressure change is small, thereby preventing damage to a magnetic element within the magnetic head slider while achieving a stable levitation attitude of the magnetic head slider.

Description

technical field [0001] The present invention relates to a magnetic head device equipped with a magnetic head slider equipped with a magnetic element for recording and / or reproducing on a magnetic disk and a magnetic disk device using the same, and particularly relates to increasing the floating time of the magnetic head slider from the magnetic disk and The difference in the inclination angle after floating can reduce the change of the inclination angle caused by the change of air pressure at the same time, so that the damage to the magnetic element can be prevented and the magnetic head device and the magnetic disk device using it can be stabilized in the floating posture of the magnetic head slider . Background technique [0002] Figure 21 It is a plan view schematically showing the magnetic disk facing surface of the magnetic head slider described in Patent Document 1 shown below, Figure 22 It is a plan view schematically showing the magnetic disk facing surface of the...

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Problems solved by technology

[0022] In order to maintain the above-mentioned ideal floating posture after the head slider is lifted, the shape of the magnetic disk facing surface on the side end surface St on the retreating side is also very important, for example, as Figure 23 In this way, a magnetic element forming surface E with a very large area is provided on the end surface St side of the withdrawal side, and the groove C is sandwiched between the positive pressure generating surface B and the magnetic element forming surface E, so that the magnetic element is formed. The positive pressure generated on the surface E is too strong. After the magnetic head slider M3 floats up, due to the positive pressure generated on the magnetic element forming surface E, the end surface St side of the withdrawing side is also easy to rise and stay away from the disk surface. As a result, , cannot effectively bring the magnetic element close to the disk surface

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