Abstract: An air bearing surface for use on a magnetic read/write head. The air bearing surface provides a stable flight profile while exhibiting exception load/unload characteristics through the use of a plurality of pads providing high pressure areas as well as a central cavity providing a sub-ambient pressure to counter the high pressure areas. The channel is set a predetermined distance from the leading edge of the air bearing, the predetermined distance being greater than with prior art designs. A channel extends from the leading edge to the cavity to allow airflow into the cavity. The channel and the set back of the cavity both act in conjunction to facilitate unloading of the air bearing by preventing excessive sub ambient pressures.

Abstract: A head slider apparatus, to be attached to a magnetic head in a magnetic disc drive, for preventing bimodal stiction by preventing tipping of the head slider on its rear edge by forcing tipping of the head slider towards one of the head slider's corners. Subsequently, the head slider also mitigates any resultant stiction related to the corner tipping of the head slider that may occur. The head slider apparatus has a diamond-shaped pattern of four pads. The diamond-shaped pattern of the pads directs tipping of the head slider towards its corners. The head slider also has pads positioned in each corner of the head slider to address any resultant stiction caused by the corner tipping.

Abstract: A disk drive system includes a base, a disk stack rotatably attached to the base, and an actuator assembly movably attached to the base. A ramp assembly includes a set of ramps for loading and unloading the sliders and transducing elements carried by the sliders to and from the disks in the disk stack. The ramp assembly is attached to the base. An actuator assembly is movably attached to the base of the disk drive. The actuator assembly moves the load springs and attached slider and transducers to various positions on the disk. The slider is a block of material having corners and edges. Sliders have a backside surface and an air-bearing surface. The slider also has at least one recess therein. One or more pads of shock absorbing material are positioned within at least one of the recesses in the slider. The pads are positioned within one or more recesses to prevent the corners or edges of the block of material near the air-bearing surface from contacting the disk.

Abstract: A head slider has a chamfered pad between the side edge and rail at the surface opposing the disk. The pad prevents contact between the edge of the basic material of the head slider and the disk. Contact between the pad and disk can be generated, but since the pad is chamfered, the disk is not as easily damaged. In comparison with chamfering the basic material and rail, the present invention has less influence on the floating characteristics of the slider, so the amount of chamfering can be increased. Therefore, damage to the disk can be alleviated remarkably and shock resistance of disk apparatus can be much improved.

Abstract: A method and system is presented for a slider positioned to control a flow of lubricant over the slider body. The slider can also include a raised rail. A pad can be positioned on the slider between the raised rail and a trailing edge of the slider. The pad can extend to the trailing edge of the slider. The pad can include at least two separated edges, which form a central channel. The pad can be made of carbon. The pads can be approximately 0.03 micron tall in a cavity that is approximately 2 micro deep. The pad can be angled in relation to an air flow across the slider to control lube.

Abstract: A magnetic head slider includes a magnetic head for recording/reproducing information from/into a magnetic disk and a slider on which the magnetic head is mounted. The slider has a first surface provided at an air-inflow side and a second surface provided at an air-outflow side. Projections are provided at the air-inflow side with respect to the first surface on a surface while faces the magnetic disk upon read/write operation of the magnetic head slider.

Abstract: A head slider for a flexible magnetic disk has a magnetic pole pad including a magnetic head buried in the pad and being disposed on a surface of the head slider opposed to the flexible magnetic disk, and the magnetic head performs the recording of a signal on the flexible magnetic disk or the reproducing of the signal from the flexible magnetic disk in a state that the pad contacts the flexible magnetic disk rotating at a relative speed of 0 m/s to 25.0 m/s to the magnetic head.

Abstract: A magnetic disk unit includes a magnetic disk, a slider having a magnetic head, a suspension for providing the slider, and an actuator arm for positioning the slider on the magnetic disk a first pad including the magnetic head and second pads including no magnetic heads are disposed on an air bearing surface of the slider. A load point of the suspension with respect to the slider is positioned between a leading edge of the slider and a position located at a distance equivalent to substantially 0.42 times a whole length of the slider from the leading edge of the slider. When the slider is seek-positioned on a certain track on the magnetic disk, a frictional force exerted between the first pad of the slider and the magnetic disk is smaller than a product of lateral stiffness of the suspension in a seeking direction and a track width.

Abstract: A method of applying a serial number or other information to disc head slider substrate according to the present invention includes applying a metal film to a surface on the slider substrate and laser scribing the serial number or other information into the metal film.

Abstract: A negative-pressure air bearing slider structure includes a slider surface disposed adjacent to a data storage medium, and a leading edge relative to the motion of the data storage medium. A U-shaped rail with a closed end facing the leading edge and an open end facing the trailing edge is formed on the slider surface. The closed end of the U-shaped rail extends laterally across less than the width of the slider surface. In a first set of embodiments, there is a single U-shaped rail centered between two side rails. In a second set of embodiments, there are two U-shaped rails, each disposed along a respective side of the slider surface.

Abstract: A magnetic disk unit includes a magnetic disk attached to a spindle so as to be rotatable, a slider having a magnetic head for reading/writing data onto/from the magnetic disk, a suspension for providing the slider with a predetermined load, and an actuator arm for positioning the slider attached to the suspension on the magnetic disk. A first pad including the magnetic head and second pads including no magnetic heads are disposed on an air bearing surface of the slider. During rotation of said magnetic disk, a part of the first pad keeps in contact with the magnetic disk. A load point of the suspension with respect to the slider is positioned between a leading edge of the slider and a position located at a distance equivalent to substantially 0.42 times a whole length of the slider from the leading edge of the slider.

Abstract: A slider for supporting transducer elements for a data storage system including at least one pressure relief trench formed in the raised bearing proximate to a contact interface position of the slider and disc surface. The trench is sized to reduce capillary pressure of the meniscus relative to disjoining pressure of a lubricant film layer on the disc surface to limit the area or expansion of a film bridge or meniscus between the bearing surface of the slider and disc surface.

Abstract: An information handling system, such as a disc drive includes a base, a disc rotatably attached to the base, and an actuator attached to the base. The disc drive also includes a slider attached to the actuator. The slider has an air-bearing surface which includes a first rail, a second rail, a cavity positioned between the first rail and the second rail, and at least one contact protection feature positioned near at least one corner of the air bearing surface. The contact protection feature may be located at or near the trailing edge. In other embodiments, the contact protection feature may be located at or near the leading edge of the slider. The contact protection feature includes a trench bordered by three side with an open end facing the leading edge of the slider.

Abstract: A magnetic head has a first magnetic head unit for recording and reproducing information to and from a first flexible rotating recording medium; a second magnetic head unit for recording and reproducing information to and from a second flexible rotating recording medium having a coercive force lower than a coercive force of the first flexible rotating recording medium; and a slider supporting the first and second magnetic head units, the slider having a central groove separating a first air bearing surface at which the first magnetic head unit is provided and a second air bearing surface at which the second magnetic head unit is provided, the slider generating an elevating force from an air flow generated in a space between the first and second air bearing surfaces and the flexible rotating recording medium, the first air bearing surface having a width on a leading edge side thereof perpendicular to a direction of approach of the flexible rotating recording medium and a width on a trailing edge side thereof d

Abstract: An air bearing surface for use on a magnetic read/write head. The air bearing surface provides a stable flight profile while exhibiting exception load/unload characteristics through the use of a plurality of pads providing high pressure areas as well as a central cavity providing a sub-ambient pressure to counter the high pressure areas. The channel is set a predetermined distance from the leading edge of the air bearing, the predetermined distance being greater than with prior art designs. A channel extends from the leading edge to the cavity to allow airflow into the cavity. The channel and the set back of the cavity both act in conjunction to facilitate unloading of the air bearing by preventing excessive sub ambient pressures.

Abstract: A method of manufacturing a magnetic head slider for a magnetic head and the magnetic slider wherein the slider has non-linear rails formed in a floating surface thereof by processing including one of reactive ion etching, sputter etching and an ion milling, and side walls of the non-linear rails are polished after formation of the non-linear rails by the processing.

Abstract: A slider for supporting transducer elements in a disc drive. The slider including an edge protection feature for contact interface protection for head disc interface.

Abstract: The present invention provides a magnetic head slider including rails formed on the medium-facing surface on the magnetic disk side for generating buoyant force so that the slider flies and moves above a magnetic disk to write or read magnetic information. In the magnetic head slider, a first carbon film having corrosion resistance is provided on the surface of the rails provided on the medium-facing surface of the slider body through an adhesive layer, protrusions formed by alternately laminating an intermediate film and a second carbon film are provided on the first carbon film, and at least the outermost second carbon film of the second carbon films, which constitute each of the protrusions, has abrasion resistance.

Abstract: A disc head slider (250,320) includes a slider body having a leading slider edge (40), a trailing slider edge (42) and a center line (48) extending from the leading slider edge (40) to the trailing slider edge (42). The slider body carries a recording head (56) along the center line (48). First and second longitudinal side rails (60,62) are positioned on the slider body and terminate prior to the trailing slider edge (42). A third longitudinal rail (63) is positioned between the first and second longitudinal side rails (60,62) and terminates prior to the head (56). A first raised side pad (252) is positioned between the first longitudinal side rail (60) and the trailing edge (42) and rearward of the head (56), relative to the leading slider edge (40). A second raised side pad (254) is positioned between the second longitudinal side rail (62) and the trailing edge (42) and rearward of the head (56), relative to the leading slider edge (40).

Abstract: A magnetic head slider for writing or reading magnetic information while flying above a magnetic disk, includes a slider body provided with a magnetic head core, and a rail and/or a pad for generating lift, provided on the surface facing a recording medium of the slider body. A crown is formed at least at a position on the rail selected from the group consisting of the surface facing the recording medium of the slider body, the rail, and the pad. The rail includes side-rails formed on both sides of the surface facing the recording medium of the slider body and extending from the air inflow side to the air outflow side of the slider body. A groove is provided between the side-rails. At least one protrusion is provided on each side-rail on the air inflow side and/or on each side of the groove on the air inflow side. The protrusion protrudes more toward the magnetic disk than the side-rails.

Abstract: A head slider of a disk drive has at least one or more slider rails on a base plate which extend lengthwise over the base plate and have surfaces for generating a hovering/floating force. Two or more pads are fitted to the surface of the base plate and protrude higher than the rail surfaces, but they are not on the rail surfaces, so dust which accumulates on the pads does not adversely affect the floating characteristics of the rails. In addition, the disk drive combines a cleaning zone on the disk surface with the above-mentioned pad arrangement on the head slider.

Abstract: A head slider is composed of a substrate having a transducer on its outflow end, a rail plane formed on a surface near both sides of the substrate facing a magnetic disk. The head slider further includes a plurality of projection elements formed on the rail plane. When the slider is floating over the magnetic disk, the distance between the projection elements and the magnetic disk is greater than the distance between the outflow end of the slider and the magnetic disk.

Abstract: A data storage system including a head supporting transducer elements relative to a disc surface for proximity recording. The head including a slider having debris collection cavities positioned relative to a contact interface between the slider and disc surface. The debris collection cavities being designed to collect debris loosed from the disc surface to reduce thermal asperities.

Abstract: A slider air bearing surface design which significantly reduces the fly height sensitivity to contamination in the crossbar area. A structural feature at the leading edge provides contamination protection to the air bearing surface. The slider includes a slider body having an air bearing surface formed on a lower surface, wherein the air bearing surface comprises a crossrail and a central rail extending from the crossrail toward a leading edge for diverting debris from the air bearing surface to prevent accumulation thereon. The leading central rail includes a flared edge connecting the central rail to the crossrail, wherein the flared edge expands the width of the central rail toward the crossrail. A trailing center rail extends from the crossbar toward the trailing edge, and is narrower than the leading central rail. Further, the trailing center rail may be skewed relative to the sides of the slider body.

Abstract: A disc storage system includes a rotating disc and a transducer. The transducer is carried on a slider which is supported by an armature. The armature is used to move the slider radially across the disc surface whereby information may be read from or written to the disc surface of the transducer. The slider includes an air bearing surface which faces the disc surface. As the disc rotates, the air bearing surface causes the slider to “fly” over the disc surface. Pads are provided on the air bearing surface to improve operational characteristics of the system.

Abstract: A disk drive having a disk with a contact start/stop (CSS) region on which a slider can rest is described. The CSS region is divided into at least three zones with the inner and outer zones having a surface topography which is different from the surface topography of the middle zone. The middle zone of the CSS region may be textured with bumps having a lower average height, a lower average density and/or a different bump diameter. The middle zone may also be left untextured. The slider is maintained over the CSS region during spin up and/or spin down.

Abstract: A magnetic head element has one or more rails formed on the surface thereof. Each rail is formed so as to have a tapered angle of 55-85°. To form such a rail, ion milling is conducted; the rail substrate used is allowed to have an inclination angle to 15-60° and is rotated; and there is used, as the ion milling gas, a fluorinated hydrocarbon (e.g., CH2FCF3) gas alone or a mixed gas of said fluorinated hydrocarbon gas and Ar, SF6 or the like. Accordingly, a magnetic head rail shape gives a small variation in flying height between magnetic bead and magnetic disc.

Abstract: A slider for supporting transducer elements for a data storage system including at least one pressure relief trench formed in the raised bearing proximate to a contact interface position of the slider and disc surface. The trench is sized to reduce capillary pressure of the meniscus relative to disjoining pressure of a lubricant film layer on the disc surface to limit the area or expansion of a film bridge or meniscus between the bearing surface of the slider and disc surface.

Abstract: A magnetic head slider in a magnetic disc drive system has a contact pad on a liquid bearing surface of the slider which bears on liquid applied on the magnetic disc. Each molecule of the liquid has at least two-polar groups for bridging the contact pad and the magnetic disc by intermolecular force. The bridging prevents the magnetic head slider from jumping over the magnetic disc.

Abstract: A quasi contact head comprises a slider with a flying surface opposed to a magnetic disk. A composite layer is formed on the slider at its trailing end so as to contain a head element such as an MR element. The head element is exposed at an exposure surface formed on the composite layer. A step serves to retract the exposure surface from the flying surface. An edge formed between the step and flying surface is subjected to grinding. The edge wears off during the initial rotation of the magnetic disk, so that the flying height of the slider can be set lower.

Abstract: A magnetic disk unit includes a magnetic disk attached to a spindle so as to be rotatable, a slider having a magnetic head for reading/writing data onto/from the magnetic disk, a suspension for providing the slider with a predetermined load, and an actuator arm for positioning the slider attached to the suspension on the magnetic disk. A first pad including the magnetic head and second pads including no magnetic heads are disposed on an air bearing surface of the slider. During rotation of said magnetic disk, a part of the first pad keeps in contact with the magnetic disk. A load point of the suspension with respect to the slider is positioned between a leading edge of the slider and a position located at a distance equivalent to substantially 0.42 times a whole length of the slider from the leading edge of the slider.

Abstract: The air bearing design consists of four rectangular pads. Each pad features an open rectangular pocket located at the comer of the leading and inner (closer to the disc ID) edges. The pocket opens towards the slider's leading and inner edges. The increase in linear velocity from ID to OD dictates that the slider flies lower at ID than OD. The introduction of the open pocket can effectively offset the difference due to the linear velocity. As we move from ID to OD, the steps that the skewed airflow encounters change from the forward to reverse. Consequently, the lifting force generated by the air compression at the forward steps decrease, while the suction force produced by the air expansion at the reverse step increases, reaching a maximum at OD. Both of them offset the effect of the linear velocity, yielding a constant fly height profile from ID to OD.