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| Number | Title | Issue Date |
| 8018684 | Method for preventing TMR MRR drop of a slider and method for manufacturing sliders The invention provides a method for preventing TMR MRR drop of a slider, including: positioning a row bar constructed by sliders on a tray, each slider incorporating a TMR element; loading the tray into a processing chamber and evacuating the processing chamber to a... | 09/13/2011 |
| 7911741 | Slider overcoat for noise reduction of TMR magnetic transducer A hard disk drive slider comprises an overcoat layer, which covers an air-bearing surface of the slider. The overcoat covers an exposed surface of a tunneling magnetoresistance transducer. An adhesion layer is coupled with the overcoat layer and the air-bearing surf... | 03/22/2011 |
| 7619857 | Silicon-made magnetic head slider and method of producing the same Embodiments of the invention provide a magnetic disk device which lowers the cost, maintains reliability by compensating the thermal dent or protuberance caused by a change in the environmental temperature, makes it possible to increase the recording density by decr... | 11/17/2009 |
| 7392580 | Method for manufacturing a slider using electromagnetic wave A method for manufacturing sliders from a bar has: a radiating step which includes radiating an electromagnetic wave on at least a part of each space on a second surface of said bar, wherein said second surface is a back surface of a first surface of said bar, said ... | 07/01/2008 |
| 7362542 | Slider with underpass lead configured as a cooling plate A slider is disclosed having a continuous coil including front coils, back coils, and a center tab, a write head including upper and lower poles which sandwich at least a portion of the front coils of the continuous coil, and at least one underpass lead, which passe... | 04/22/2008 |
| 7345849 | Magnetic head slider material, magnetic head slider, and method of manufacturing magnetic head slider material The magnetic head slider material of the present invention is constituted by a sintered body containing 100 parts by weight of alumina, 20 to 150 parts by weight of titanium carbide and silicon carbide in total, and 0.2 to 9 parts by weight of carbon. ... | 03/18/2008 |
| 7336436 | Head gimbal assemblies for very low flying height heads with optional micro-actuators in a hard disk drive Head gimbal assembly (HGA) may include a piezo layer mechanically coupled with the slider or include a piezo element mechanically coupled by the flexure to the slider top near the read-write head. A bridge flex circuit is included, providing a piezo-control bundle t... | 02/26/2008 |
| 7317596 | Magnetic recording disk drive having read head with high cross-track resolution and disk with low bit-aspect-ratio A continuous-media or patterned-media disk drive with a low ratio of linear bit density in bits per inch (BPI) in the along-the-track direction to track density in tracks per inch (TPI) in the cross-track direction has a magnetoresistive read head with high cross-tr... | 01/08/2008 |
| 7292407 | Disk drive with support structure for disk-vibration capacitive sensors A data recording disk drive has one or more capacitive sensors for sensing out-of-plane vibration of the disk or disks. The sensors are attached to a support structure that is attached to the disk drive housing. Each sensor is associated with a disk and faces a surf... | 11/06/2007 |
| 7283329 | Head shock resistance and head load/unload protection for reducing disk errors and defects, and enhancing data integrity of disk drives A slider in a disk drive is shock-protected with an overcoat layer of either metal or polymer directly on the areas of the slider that are prone to contact the disk when the slider is loaded off the platform, or when the slider is shocked while in operation over the... | 10/16/2007 |
| 7277255 | Head slider with positive dynamic pressure generating section A head slider is designed to prevent collision against a surface of a disk due to an external impact and the like while a device is in use to avoid damages on an air bearing surface (“ABS”) of the head slider and the surface the disk. This is achieved by a struc... | 10/02/2007 |
| 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 |
| 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 |
| 7247973 | Moving mechanism using a piezoelectric actuator and a magnetic disk apparatus having such a moving mechanism A moving mechanism using a piezoelectric actuator is attached by an adhesive with adhesive parts of a constant area between a piezoelectric element and a slider and between the piezoelectric element and a suspension. A movable part, serving as the slider, is moved b... | 07/24/2007 |
| 7239488 | MR sensor on an insulating substrate and method of manufacture According to an embodiment of the present invention, a slider design is presented that provides improved protection for the head/sensor of the slider. In one embodiment, the design of the slider is such that ESD protection is provided during the slider wafer process... | 07/03/2007 |
| 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 |
| 7203031 | Substrate for thin-film magnetic head and method of manufacturing the substrate A substrate for a thin-film magnetic head includes a ceramic base and an undercoat film of amorphous SiC, which is supported on the ceramic base. ... | 04/10/2007 |
| 7167343 | Head shock resistance and head load/unload protection for reducing disk errors and defects, and enhancing data integrity of disk drives A slider in a disk drive is shock-protected with an overcoat layer of either metal or polymer directly on the areas of the slider that are prone to contact the disk when the slider is loaded off the platform, or when the slider is shocked while in operation over the... | 01/23/2007 |
| 7123448 | Extended alumina basecoat advanced air bearing slider The present invention is an air bearing slider comprising a transducer for communicating with a disc; a composite slider body with a front portion composed of a first material and a rear portion composed of a second material; an air bearing surface defined on a disc... | 10/17/2006 |
| 7100269 | Method of manufacturing slider of thin-film magnetic head A slider comprises a slider section and an element section. The slider section has a first medium facing surface and an air inflow end. The element section has a second medium facing surface, an air outflow end, and a thin-film magnetic head element. The slider sect... | 09/05/2006 |
| 7092210 | Magnetic recording and reproduction method A magnetic recording and reproduction method comprising recording or reproducing a track of a rotating magnetic disk by means of a magnetic head, wherein the magnetic disk comprises a support and a magnetic layer containing ferromagnetic powder and a binder; the tra... | 08/15/2006 |
| 7082671 | Magnetic disc apparatus production method A recording/reproduction element is mounted on a magnetic head slider via a piezoelectric element so that a displacement of the piezoelectric element performs fine control of the position of the recording/reproduction, thus enabling fine spacing and high track posit... | 08/01/2006 |
| 6999284 | Aerodynamic sliders with curved side surface An aerodynamic slider has at least one side surface that is continuously curved between the leading and trailing surfaces to substantially eliminate off-track forces on the side surface due to changing skew orientations. A slider profile is modeled, and a numerical ... | 02/14/2006 |
| 6994608 | Methods of manufacturing sliders Methods of manufacturing sliders are disclosed. In one method, a wafer of sliders is parted into rows of sliders. Each row includes a plurality of sliders connected by kerfs. For an individual row, the kerfs between the sliders are partially parted from a flex side ... | 02/07/2006 |
| 6995952 | Head shock resistance and head load/unload protection for reducing disk errors and defects, and enhancing data integrity of disk drives A slider in a disk drive is shock-protected with an overcoat layer of either metal or polymer directly on the areas of the slider that are prone to contact the disk when the slider is loaded off the platform, or when the slider is shocked while in operation over the... | 02/07/2006 |
| 6943989 | Subambient pressure slider with partitioned subambient area A subambient pressure air bearing slider for disk drives and the like is presented where the subambient pressure area is divided into two or more areas. For example, a first area extending between the rails can have a depth (e.g., between 20 and 100 microinches) rel... | 09/13/2005 |
| 6922313 | Magnetic head slider with resistance to debris accumulation A magnetic recording head for reading and writing information with respect to a rotating disk medium includes a pad having a working surface which contacts the recording medium. The pad has a leading edge and a trailing edge with the leading edge facing in the gener... | 07/26/2005 |
| 6891698 | Wafer having surface contoured to form air bearing surfaces of a plurality of glide heads An improved glide head has an air bearing surface with a flatness of less than about 1 μinch. The air bearing surfaces are formed from the very smooth and flat surface of a wafer, preferably prior to slicing the glide heads from the wafer. Thus, a wafer is formed h... | 05/10/2005 |
| 6775103 | Slider head having thermally controlled distal end and assembly with a rotating disc A slider head assembly is provided which includes a slider head for reading/writing data on the surface of a rotating disc. The slider head is disposed in spaced relationship with respect to the disc for read/write (R/W) operations. The slider head assembly is compr... | 08/10/2004 |
| 6683753 | Metal carbide air bearing surface layer on a silicon read/write head element 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 whi... | 01/27/2004 |
| 6556380 | Silicon sliders with trapezoidal shape and drie process for fabrication A trapezoidal shaped silicon slider is described in the present invention. The slider has a first parallel surface larger than a second parallel surface, thereby generating a built-in positive pitch with respect to a recording medium when the slider is in... | 04/29/2003 |
| 6542334 | Edge structure for slider-disc interface and method of manufacture therefor A slider for improved head-disc interface. The slider includes a slider body, an air bearing and edge surfaces. Edge surfaces of the slider include a rounded edge surface having a deposited edge covering for head-disc interface.... | 04/01/2003 |
| 6437943 | Silicon carbide substrate for forming magnetic head To provide a magnetic-head substrate capable of improving the heat radiation characteristic while keeping a mechanical strength and a milling characteristic equal to those of a conventional Al2 O3 -TiC system and preventing an device... | 08/20/2002 |
| 6424493 | Hard disk drive magnetic head air bearing surface design for preventing particulate contamination thereon A magnetic head has a left side rail formed on a disk facing surface in a protruded manner, and a right side rail formed on the disk facing surface in a protruded manner. A cross rail formed on the disk facing surface protrudes and is elongated continuous... | 07/23/2002 |
| 6411464 | Magnetic head including sliding member having bearing surface formed of protrusions with almost flat tips A magnetic head and production method with excellent productivity with which a surface with fine irregularities is formed only on the bearing surface of the sliding member facing the magnetic recording medium to form a fine air flow path without changing ... | 06/25/2002 |
| 6256171 | Thin film magnetic head having an improved heat dispersion and magnetic recording apparatus using the same A thin film magnetic head has a reproducing element or/and recording element which is held from the direction of its thickness between a first ceramic substrate and a second ceramic substrate. The reproducing element or/and recording element is positioned... | 07/03/2001 |
| 5959801 | Stiction reduction in disk drives using heating An arrangement for reducing the stiction bond at power-up time between an slider parked on a disk or other magnetic recording medium. A thermally expansive medium such as alumina is included in the slider body thermally adjacent to the write element. At p... | 09/28/1999 |
| 5805382 | Integrated conductor magnetic recording head and suspension having cross-over integrated circuits for noise reduction The present invention is an integral magnetic head suspension and method for making the same. The integral suspension, with or without the head, contains integrated conductive circuits that have multiple cross overs for noise reduction. The suspension is ... | 09/08/1998 |
| 5751516 | Non-magnetic substrate material and slider assembly for use in flying-type magnetic head A non-magnetic substrate material Fe2 O3 as a major component and 0.1-5 weight %, based on the total amount of the material, of at least one of Nd2 O3 and Gd2 O3. By adding Nd2 O... | 05/12/1998 |
| 5636087 | Magnetic head slider assembly A slider assembly for a flying magnetic head is made of a ceramic material including a plurality of components having different milling rates from each other. A grain size of one of the components having a lower milling rate is smaller than a grain size o... | 06/03/1997 |
