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| Number | Title | Issue Date |
| 8149541 | System for controlling contact location during TFC touchdown and methods thereof A system according to one embodiment includes a thin film stack having a magnetic transducer and a contact pad; and a heater in the thin film stack for inducing thermal protrusion of a media-facing side of the thin film stack, wherein the thin film stack is characte... | 04/03/2012 |
| 7990656 | Magnetic head device A magnetic head device includes a slider with a facing side and a magnetic function part. The facing side of the slider includes a front positive pressure surface located close to a leading end of the slider, a rear positive pressure surface located close to a trail... | 08/02/2011 |
| 7965471 | Methods for forming micro-texture on an air bearing surface of a magnetic read/write slider and a magnetic read/write slider with micro-texture A method for forming micro-texture on an air bearing surface of a magnetic read/write slider, includes: positioning sliders arranged in arrays on a tray, each slider having a pole tip facing upward; loading the tray into a processing chamber, which is then evacuated... | 06/21/2011 |
| 7724473 | Slider with actuator-transducer separation and roll activation A disk drive includes a rotatable storage disk, a suspension, and a slider assembly. The slider assembly includes a slider body, a read/write head that magnetically interacts with the storage disk, and a slider mover. The slider body is secured to the suspension in ... | 05/25/2010 |
| 7573678 | Magnetic head slider with shock absorption layer and manufacturing the same A magnetic head slider and a method of manufacturing the same. At a leading side of a slider substrate, a shock absorbing layer is provided which has a hardness lower than a hardness of the slider substrate, and a projecting portion is provided on a surface of the s... | 08/11/2009 |
| 7554770 | Air bearing surface of thin-film magnetic head slider and method of processing the same A method of processing an air bearing surface of a thin-film magnetic head slider is provided. A first silicon film, a first carbon film, a second silicon film, and a second carbon film are laminated in that order on a face of a thin-film magnetic head slider facing... | 06/30/2009 |
| 7551398 | Magnetic head with air bearing surface protection film and manufacturing method thereof To promote reduction in thickness of an air bearing surface protective film of a magnetic head, a magnetic head having an air bearing surface protective film consisting only of a thin carbon film while excluding formation of a dead layer by ion incidence as less as ... | 06/23/2009 |
| 7525765 | Thermal assist head slider In a magnetic disk apparatus, mounting of plural heating elements to a magnetic head slider is permitted. Thermally assisted magnetic recording from inner to outer surface is permitted at a small amount of power consumption. In one embodiment, the magnetic disk appa... | 04/28/2009 |
| 7508632 | Head-disc interface (HDI) with solid lubricants An apparatus comprises a storage medium having a surface coated with a layer of a first solid lubricant, and a head separated from the storage medium by an air film, the head having an air bearing surface, wherein at least a portion of the air bearing surface is coa... | 03/24/2009 |
| 7495865 | Adhesion layer for protective overcoat An apparatus includes a metal substrate, an amorphous adhesion layer on the metal substrate, and a protective DLC layer over the adhesion layer. The adhesion layer has a thickness of less than about 8 Angstroms, and has a composition of carbon silicon carbide or car... | 02/24/2009 |
| 7359155 | Slider, head assembly and disk apparatus Disclosed is a slider which is substantially rectangular and has a disc facing surface with an air inflow end and an air outflow end in the longitudinal direction, comprising a first positive pressure-generating section disposed near the air inflow end; a pair of se... | 04/15/2008 |
| 7352531 | Head slider having a flat first step and a second flat step with a groove therein, and disk drive employing the head slider A head slider includes a parallelepiped-shaped slider base having a flat flying surface. A flat first step is formed at an air inlet end of the flying surface to be stepped from the flying surface. A flat second step is formed on the first step to be stepped from th... | 04/01/2008 |
| 7342749 | Method of removing lead-free solder from slider pad and magnetic disk drive A method for removing a lead-free solder from a slider pad is provided to permit re-utilization of a head/slider used in a magnetic disk drive. In one embodiment, a slider pad formed on a head/slider and a lead pad are connected to each other through a lead-free sol... | 03/11/2008 |
| 7336443 | Slider for a data storage device with a floating transducer body and method of fabrication therefor A head for a data storage device including an independently supported transducer body floatably coupled to the slider body and including at least one transducer element. The transducer body is independently supported relative to the disc surface to provide transduce... | 02/26/2008 |
| 7327535 | Hybrid coating for magnetic heads A system and method for providing corrosion protection for a magnetic read/write head is disclosed. A monolayer surface coating is applied to cover those portions of the under layer of a magnetic read/write head not already covered by a previously applied diamond-li... | 02/05/2008 |
| 7324306 | System, method, and apparatus for improving the multiple velocity performance and write element protrusion compensation of disk drive sliders An air bearing design enables a slider to fly at a higher fly height when the rotational speed of the disk is reduced to about one-third of its operational velocity. In addition, the slider has a flat profile as it scans the disk surface at a low fly height sigma, a... | 01/29/2008 |
| 7314404 | Burnishing head A burnishing head comprises at least two rails, each rail having an inner wall and an outer wall. The outer walls are at an angle relative to one another and relative to a central axis of the burnishing head. This angle permits the burnishing head to exhibit improve... | 01/01/2008 |
| 7301726 | Banded LZT CSS zone A magnetic recording disk having a non laser zone texturing (LZT) band in the contact-start-stop (CSS) zone. The width of the non-LZT band in the CSS zone may be greater than the width of a read and/or write element of a head and less than the width of a center pad ... | 11/27/2007 |
| 7289279 | Lithographic objective having a first lens group including only lenses having a positive refractive power A projection objective includes a first lens group (G1) of positive refractive power, a second lens group (G2) of negative refractive power and at least one further lens group of positive refractive power in which a diaphragm is mounted. The first lens... | 10/30/2007 |
| 7281317 | Manufacturing method of flying magnetic head slider A manufacturing method of a flying magnetic head slider includes a step of providing a substrate with a plurality of inductive write head elements formed thereon, each head element having a pair of magnetic poles facing to each other via a magnetic gap, and with a p... | 10/16/2007 |
| 7278902 | Enabling location specific burnishing of a disk Various embodiments of the present invention pertain to enabling location specific burnishing of a disk. According to one embodiment, the smoothness of a disk is evaluated by gliding over a disk to determine if there is an asperity on the disk. If there is an asperi... | 10/09/2007 |
| 7280294 | Tri-state servowriter driver with slow return to zero A method and apparatus for writing timing-based magnetic servo band patterns on magnetic storage media. The apparatus includes a magnetic head and a tri-state driver. The driver is adapted to control three magnetic head states including two writes states having posi... | 10/09/2007 |
| 7277259 | Magnetic head actuator including piezoelectric elements fixed to the arms of a fired glass-ceramic substrate A magnetic head actuator includes a head-holding substrate having a pair of movable arms for clamping a magnetic head, and piezoelectric elements fixed along the pair of movable arms to move the pair of movable arms in response to an applied voltage. The head-holdin... | 10/02/2007 |
| 7265943 | Air bearing for a head to provide reduced cross-curve sensitivity An air bearing for a slider including cooperating raised bearing surfaces or portions along a trailing edge portion of the slider. The cooperating raised bearing surfaces or portions are formed on a stepped bearing surface which is elevated above a recessed bearing ... | 09/04/2007 |
| 7262937 | Responsive aeroelastic slider One embodiment of the present invention pertains to a slider that includes a substrate, a transducer tip disposed on the substrate, and a hydrodynamic surface including a responsive aeroelastic deposit. The substrate has a first coefficient of expansion responsive t... | 08/28/2007 |
| 7259937 | Magnetic recording device having a head slider utilizing a water-repellant resin lubricant having specified surface tension properties A head slider to which little amount of contaminants is adhered, that can form a uniform and flat head lubricant layer surface and that has excellent ultra-low floating properties, as well as a magnetic recording device equipped with the head slider are provided. Th... | 08/21/2007 |
| 7255636 | Hybrid burnishing head design for improved burnishing of disk media A hybrid burnishing head for processing of surfaces of hard disk media comprises a solid body including a first major surface and a second, opposed major surface comprising a burnishing surface including first and second surface portions, wherein the first surface p... | 08/14/2007 |
| 7256965 | Adaptable air bearing slider with trailing edge cavity An air bearing slider including a recessed cavity surface to provide an adaptable bearing surface to compensate for thermal expansion or pole tip protrusion. The recessed cavity surface forms a leading edge cavity step to a raised bearing surface proximate to a trai... | 08/14/2007 |
| 7254885 | Wafer-level fabrication method for top or side slider bond pads A method is used for fabricating sliders for use in a disc drive actuation system, the sliders having bonds pads formed on either a top surface or side faces of the slider. The method comprises providing a substrate having a top surface. Trenches are formed in the s... | 08/14/2007 |
| 7253993 | Head slider with precise positioning actuator and manufacturing method of the head slider A head slider with a precise positioning actuator includes a thin plane shaped head section provided with a first surface that is substantially perpendicular to an ABS of the head slider, a second surface opposite to the first surface and at least one head element f... | 08/07/2007 |
| 7251105 | Negative pressure type head slider and disk drive A disk drive including a negative pressure type head slider having a transducer for reading/writing data from/to a disk having a plurality of tracks, and an actuator for moving the head slider across the tracks of the disk. The actuator includes an actuator arm rota... | 07/31/2007 |
| 7251106 | Magnetic head slider having protrusion-compensated air bearing surface design A magnetic head slider including a central pad that is disposed at the trailing edge of the slider and designed to increase the flying height of the slider in response to heat induced protrusion of the head elements. The central pad of the present invention includes... | 07/31/2007 |
| 7236328 | Method for producing a transducer slider with tapered edges The present invention relates to a method for producing a transducer slider. The method involves first coating a substrate with a radiation-sensitive layer and exposing the radiation-sensitive layer to radiation according to an intensity pattern. Preferably, the int... | 06/26/2007 |
| 7233459 | Integral wear-pad for slider-disk interference detection A slider-mounted transducer has an integral wear pad for determining interference between the transducer and a disk surface. The wear pad intensifies interference events during disk drive testing and enables the threshold for slider fly-height to be set at a lower l... | 06/19/2007 |
| 7209323 | Slider having cavity floor with differing depths A disc head slider having a slider body that includes a bearing surface, a cavity dam and a sub-ambient pressure cavity is provided. The sub-ambient pressure cavity has a cavity floor, a plurality of sides and a depth that progressively varies between a point on one... | 04/24/2007 |
| 7200918 | Method for forming an air bearing surface on a slider Embodiments include a slider having a silicon body and at least one carbide pad structure embedded therein. At least one head structure for reading and/or writing data is located on the silicon body. The silicon body includes an air bearing surface on which the head... | 04/10/2007 |
| 7193805 | Flying-type disk drive slider with micropad A slider (2′) with a reduced fly height is disclosed. The slider includes a small micropad (66) on the lower surface (22′) of the slider (2′). A sensor region (62) of a head (61) that is carried by the slider (2... | 03/20/2007 |
| 7184244 | Method for flying a disk drive slider having a high pressure micropad ABS A slider for a disk drive is disclosed. In one embodiment, the slider includes an air bearing pad that contains a read/write transducer. This particular air bearing pad is small. High pressures are exerted on this small air bearing pad while the slider is flying in ... | 02/27/2007 |
| 7180707 | Thin-film magnetic head, head gimbal assembly, and hard disk drive A thin-film magnetic head on a support includes an electromagnetic transducer for writing, a magnetoresistive device for reading, an overcoat layer and a heating element. The transducer and magnetoresistive device are disposed on the support. The overcoat layer is d... | 02/20/2007 |
| 7159301 | Method of manufacturing a slider of a thin-film magnetic head A method of manufacturing a slider comprises the steps of: forming a slider material including a substrate, a thin-film magnetic head element and an insulating portion; forming a first surface in the slider material by etching a surface of the substrate facing towar... | 01/09/2007 |
