JPH02230575A - Floating head slider - Google Patents

Abstract

PURPOSE:To trace the waviness of a medium surface satisfactorily by arranging a cross rail only in the center part by separating from two rails. CONSTITUTION:The cross rail 21 is separated from the two rails 11 and 12 on both sides, and is arranged only in the center part. Positive pressure is generated on the surfaces of the rails 11, 12 and the cross rail 21 due to an air flow according to the travel of a magnetic recording medium, and a suction force in the direction of the magnetic recording medium i.e. negative pressure is generated on a step plane 40 on a rear end side, however, since the cross rail is arranged only in the center part by separating from the rails 11, 12, the negative pressure is generated only in the center part, which performs a function approximated to pivot supporting. Thereby, traceability to the waviness of the medium surface, etc., can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a floating head slider used in a magnetic storage device.

[Prior Art] In order to cope with the increasing density of magnetic storage devices, a floating head slider having an air bearing surface that generates positive pressure and an air bearing surface that generates negative pressure has been proposed.

This floating head slider, as shown in FIG.
Two rails 11 and 12 extending substantially parallel to the running direction of the medium, and the two rails 1 disposed between them so that their longitudinal axes are substantially orthogonal thereto.
It had a cross rail 21 connecting 1 and 12.

The two parallel rails 11 and 12 and the cross rail 21 form the same plane, and act as a surface that generates positive pressure, that is, levitation force. Two parallel rails 1
1 and 12 and the cross rail 21 is a step surface 40 that is recessed by about 1 to 10 μm from the plane formed by these three rails 11, 12, and 21, and the negative pressure, that is, the recording medium It acts as a surface that generates an attractive force in the direction.

[Problems to be Solved by the Invention] In the above-mentioned conventional floating head slider, negative pressure is generated on the step surface 40 having a wide area, so the ability to follow medium surface fluctuations is extremely poor. If there are any rough protrusions, or if dirt gets between the disk and the slider, it will easily collide with them, leading to a head crash.

1-1 of the present invention is to provide a floating head slider that utilizes negative pressure and improves the follow-up of such a floating type.

``Means for Solving the Problem 1 The floating head writer of the present invention has two rails arranged substantially parallel to the running direction of the recording medium, and a long horizontal axis between the two rails. In a floating head slider including a cross rail arranged almost perpendicular to each other, the cross rail is separated from the two rails on both sides and is arranged almost only in the middle part of the floating head slider. Since negative pressure is generated only in the center of the dynamic head sliver,
The ability to follow the undulations, etc. of the medium surface is improved.

[Example] Next, an example of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of a 74-move head sliver showing an embodiment of the invention.

This floating head sliver has two rails 11 and 1 extending substantially parallel to the running direction of a magnetic recording medium (not shown).
2 and a cross rail 21 between them. The front end sides of the two rails 11 and 12 are provided with deva parts 13 and 14, and the rear end sides are provided with hexagons.]
- Elements 3l and 32 are formed. Furthermore, the surfaces of the rails 11 and 12, excluding the deva parts 13 and 14, and the surface of the cross rail 21 are bent by wrapping so that they form the same flat surface.
The area between the cross rails 21 and 12 is a step surface 40 with a depth of 1 to 10 μm. In addition, the cross rail 21 has two rails 11 and 12 that run
It is separated from.

Due to the configuration of the IT, IT-. Pressure is generated. Further, an attractive force, that is, a negative pressure, is generated in the step 40 on the rear end side of the cross rail 21 in the direction of the magnetic recording medium. In the floating head slider of this embodiment, as described above, the cross rail 21 is separated from the two parallel rails 11 and 12 and placed only in the center, so the negative river is also in the center of the floating head slider. Occurs only in Therefore, the negative pressure generated in the floating head sliver of this embodiment has an effect similar to pivot support, and the ability to follow the undulations of the medium surface can be improved.

[Effects of the Invention] As explained above, in the present invention, by separating the cross rail from the two rails and arranging it only in the center, it can better follow the undulations of the medium surface and reduce the risk of head crash. This has the effect of obtaining a floating head slider.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a floating head slider showing an embodiment of the invention, and FIG. 2 is a perspective view of a conventional floating head slider. 11.12...Rail, 13.14...Taper part,
21...Cross rail, 31.32...Head element, 40...Step surface. Patent applicant Nippon'Ichiki Co., Ltd.

Claims (1)

[Scope of Claims] 1. Two rails arranged substantially parallel to the running direction of the recording medium, and a longitudinal axis between the two rails.
A floating head slider including a cross rail disposed substantially perpendicular to the book rail, characterized in that the cross rail is separated from the two rails and disposed only at approximately the center of the floating head slider. floating head slider.