Samsung Electronics Co., Ltd.

Tae-sik Kang

Jae-Won Kim

No-yeol Park

Sang-hyub Lee

Hyo-june Ahn

A head slider and a hard disk drive (HDD) including the head slider, the head slider including an air bearing surface (ABS) protruding from a disk facing surface of the head slider toward the disk, a shallow recess (SR) retreated behind the ABS, and a cavity recess (CR) retreated behind the ABS and the SR.

Head slider having an air bearing surface (ABS) with a shallow recess (SR) retreated behind the ABS and a cavity retreated behind the ABS and SR, hard disk drive including the same, and method of floating the same

A suspension assembly installed on an end of a swing arm and elastically biasing a slider with a read/write head toward a surface of a disk in a disk drive. The suspension assembly includes a load beam coupled to the one end of the swing arm, a flexure coupled to the load beam and supporting the slider, and a hook limiter having a fixed end fixed to the flexure, and a free end extending toward a front end of the load beam and spaced a predetermined distance from the load beam.

Disk drive suspension assembly having a single limiter and recording and/or reproducing apparatus with suspension assembly having a single limiter

An air bearing slider of a disk drive for moving a read/write head to a desired position on a disk by being lifted above a surface of the disk includes a body having a surface facing the disk. A first rail base protrudes from the surface of the body facing the disk and has a U shape open to a trailing end portion of the body. A first positive pressure generating rail portion protrudes from the first rail base and includes a cross rail separated from a leading end portion of the first rail base and extending in a first direction perpendicular to a direction in which air enters and a pair of side rails extending from both ends portion of the cross rail in a second direction parallel to the direction in which air enters. A negative pressure cavity is defined by the first rail base. A second rail base protrudes from the surface of the body facing the disk adjacent to the trailing end portion of the body. A second positive pressure generating rail portion protrudes from the second rail base. A negative pressure-generating pocket is formed in each of the side rails and separate from the negative pressure cavity and open to the outside of the side rails.

Air bearing slider for disk drive

An air bearing slider of a disk including a body having a surface facing a disk; a first rail base protruding from the surface facing the disk; a first rail portion protruding from the first rail base, the first rail portion including a cross rail separated from a leading end portion of the first rail base and extending perpendicular to a direction in which air enters, and a pair of side rails respectively extending from both ends of the cross rail parallel to the direction in which air enters; a negative pressure cavity defined by the first rail base; a second rail base protruding from the surface facing the disk; a second rail portion protruding from the second rail base; and an air flow channel disposed between the leading end portion of the first rail base and the cross rail, extending perpendicular to the direction in which air enters.

A hard disk drive having an air flow accelerator for improving taking-off and landing of a slider on a surface of a disk. The hard disk drive includes a spindle motor and a disk for storing data which is rotated by the spindle motor. The slider includes a magnetic head for recording and reproducing data and is mounted on a pivotable actuator. The air flow accelerator is provided within an inner circumference of the disk and rotates together with the disk. The device may be formed integral with a disk clamp, the spindle motor, a disk spacer, the disk, or as a separate member. At least one blade extends in a radial direction from a center of rotation of the disk with the blade being curved in a direction opposite a rotation direction of the disk. The accelerated air flow restricts damage of the magnetic head and the disk.

Hard disk drive having air flow accelerating device

A negative pressure air-bearing slider includes a body flying in a first direction along a track of a disc where information is recorded while being raised to a predetermined height, a plurality of rails provided at the bottom of the body corresponding to a surface of the disc, an air inflow channel arranged at the bottom of the body in the first direction and having an air inflow portion at the leading end portion of the slider and an air exhaust portion at the inside of the body, and a pair of negative pressure recess portions provided at the air exhaust portion of the air inflow channel to be arranged in a second direction perpendicular to the first direction with respect to the air inflow channel. Thus, a constant flying height is maintained in the overall area of a disc. A pitch angle is maintained within an appropriate range in the overall area of a disc. The size of the roll angle is minimized in the overall area of a disc and maintained to be constant. In particular, dynamic stability is provided to the external interference and track seek and the amount of contaminant particles intruding into the head-disc interface is minimized, so that a phenomenon in which the intruding contaminant particles are accumulated in the negative pressure recess portions can be effectively prevented.

Growing community of inventors

Suwon-si, South Korea

Tae-sik Kang