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| Number | Title | Issue Date |
| 7724474 | Thin-film magnetic head comprising contact pad including portions of closure and substrate and magnetic recording apparatus comprising the head A thin-film magnetic head that shows stable read and/or write performances, maintaining the reliability over time by suppressing the wear of the head sufficiently, is provided. The head comprises: a substrate having an element-formed surface and an opposed-to-medium... | 05/25/2010 |
| 7299536 | Method for an improved magnetic head arm assembly A system and method for an improved magnetic head arm assembly (HAA), reducing complexity of design and difficulty of manufacture, is disclosed. ... | 11/27/2007 |
| 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 |
| 7262938 | Flying-type disk drive slider with self-blending contact pad The invention is generally directed to a slider that is particularly suited for dynamic load/unload disk drive designs. This slider desirably addresses potential disk damage associated with contact between sharp edges of the slider of the disk drive and the data sto... | 08/28/2007 |
| 7248444 | Electromagnetic heads, flexures, gimbals and actuators formed on and from a wafer substrate Devices for reading or writing electromagnetic information include a wafer substrate piece disposed between an electromagnetic transducer and an electrostrictive or piezoelectric actuator. The substrate piece is shaped as a rigid body adjoining the transducer and as... | 07/24/2007 |
| 7218478 | Disk drive with negative-pitch slider having protrusion pad contacting the disk when the disk is rotating at operating speed A magnetic recording disk drive has a negative-pitch slider in near-contact or continuous-contact with the disk during reading and writing of data. When the disk is rotating at its operating speed, the slider has its upstream or leading portion located closer to the... | 05/15/2007 |
| 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 |
| 7185417 | Method for shaping an air bearing surface of a magnetic head slider A method for shaping an ABS of a magnetic head slider including a step of holding at least one row bar with a plurality of aligned thin-film magnetic head elements by adhering a first surface of the at least one row bar to an adhesive or UV tape capable of passing a... | 03/06/2007 |
| 7130154 | Magnetic head slider having protrusions provided on the medium-facing surface and manufacturing method therefor 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 ma... | 10/31/2006 |
| 7123447 | Patterned multi-material basecoat to reduce thermal protrusion To reduce thermal pole-tip protrusion and recession, a magnetic head includes a multi-material basecoat. The magnetic head has an air bearing surface and a back surface opposite the air bearing surface. The magnetic head includes a substrate and the basecoat positio... | 10/17/2006 |
| 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 |
| 7082016 | Multilayer magnetic shields with compensated thermal protrusion A reader formed in a data transducer includes a first shield, a read gap, a second shield, a maanetic compensation layer, and a non-magnetic spacer layer. The first shield is formed of a multilayer comprised of a layer of a first material. The second shield is space... | 07/25/2006 |
| 7038884 | Flying-type disk drive slider with self-blending contact pad The invention is generally directed to a slider that is particularly suited for dynamic load/unload disk drive designs. This slider desirably addresses potential disk damage associated with contact between sharp edges of the slider of the disk drive and the data sto... | 05/02/2006 |
| 7029590 | Self-limiting wear contact pad slider and method for making the same The present invention provides a non-actuatable, self-limiting wear contact pad slider and method for making the same. A protruding element surrounding the transducer is fabricated using a third etch step so that the protruding element has a height that is greater t... | 04/18/2006 |
| 7031122 | Magnetic shields for reduced variations of head-media spacing The invention offers a magnetic recording head that includes a substrate, a read sensor, and at least one shield positioned adjacent to the read sensor, wherein the shield contributes to thermal pole-tip recession in an amount less than about 0.5 Å/° C. The inven... | 04/18/2006 |
| 7006323 | Magnetic head for proximity recording A slider having a protrusion extending beyond an air bearing surface of the slider to maintain the slider with a positive pitch angle during contact with the surface of a disk. The protrusion may be disposed on a leading edge step of the slider body with the protrus... | 02/28/2006 |
| 6958871 | Head-disk interaction sensor integrated with suspension A write-inhibit signal is generated by a head-disk interaction sensor during a write process that is integrated with a suspension of a hard disk drive (HDD) when fly-height modulation of the slider is detected during a write process The suspension load beam includes... | 10/25/2005 |
| 6956719 | Self-correcting disc head slider A disc head slider supports a transducer relative to a moving media in a data storage system. The slider includes a slider body having a media opposing face with a leading slider edge, a trailing slider edge, a recessed area and a bearing surface formed by at least ... | 10/18/2005 |
| 6950277 | Concave trailing edge write pole for perpendicular recording A magnetic recording system includes a magnetic medium and a magnetic write head to write information on the magnetic medium. The magnetic write head includes a write pole having a downstream side that has a concave shaped portion when the write pole is viewed from ... | 09/27/2005 |
| 6949866 | Systems and methods for overcoming stiction A number of methods and systems for overcoming stiction are provided. The systems include electro-mechanical systems capable of exerting a variety of forces upon areas prone to stiction. The systems can be MEMS arrays or other types of devices where stiction related... | 09/27/2005 |
| 6928722 | Magnetic disc apparatus and magnetic head in which a recording/reproduction element is mounted on a slider via a piezoelectric element 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... | 08/16/2005 |
| 6927942 | Magnetic head slider and magnetic head slider assembly having a leading slope angle smaller than a trailing slope angle A head slider has small friction force even if the head slider comes in contact with a magnetic disk having a smooth surface at high speed. The vibration is also low and wear resistance is high. The head slider is provided with plural air bearing surfaces for floati... | 08/09/2005 |
| 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 |
| 6865798 | Method for shaping air bearing surface of magnetic head slider A method for shaping an ABS of a magnetic head slider including a step of holding at least one row bar with a plurality of aligned thin-film magnetic head elements by adhering a first surface of the at least one row bar to an adhesive or UV tape capable of passing a... | 03/15/2005 |
| 6865059 | 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... | 03/08/2005 |
| 6700727 | Slider and method for actively controlling crown curvature A slider is provided for actively controlling a fly height of the slider relative to a data storage disc during operation of a data storage system. The slider includes a slider body having front and back surfaces, a length and a crown curvature on the fro... | 03/02/2004 |
| 6690545 | Air bearing slider including a depressed region extending from a main support structure between a pressurized pad support base and a contact pad support base An air bearing slider for use in a disk drive that includes a rotatable magnetic disk. The slider includes a leading side and a trailing side. The slider further includes a pressurized pad including a pressurized pad air bearing surface. The pressurized p... | 02/10/2004 |
| 6687088 | Disc drive head slider with recessed landing pads A slider body configuration, or slider, for carrying a data transducer in cooperative relationship with a rotating data storage disc. The slider includes a plurality of landing pads which serve to minimize the contact area between the slider and the discs... | 02/03/2004 |
| 6671129 | Contact type magnetic disc apparatus The density of the magnetic head protective layer is set to be higher than the density of a magnetic disc medium protective layer. Also, the Young's modulus of the magnetic head protective layer is set to be higher than the Young's modulus of the magnetic... | 12/30/2003 |
| 6611400 | Texture structure for optimizing head disc interface A head disc interface having a fine pitch surface roughness including fine pitch projections having a relatively smooth roughness height and a projection pitch | 08/26/2003 |
| 6600635 | Combined magnetic data and burnish head for magnetic recording A data storage system capable of removing disk surface irregularities and/or contaminant particles on disk surfaces that may cause thermal asperities in the transducer output is provided. The data storage system provides selective in-situ operation betwee... | 07/29/2003 |
| 6535352 | Head media interface for stiction control A head media interface for contact starts and stops. The head media interface including a plurality of bumps extending from bearing surfaces of the slider and a data storage disc including a plurality of generally uniform holes extending below a relativel... | 03/18/2003 |
| 6522501 | Magnetic recording medium and magnetic write/read apparatus using the same A magnetic recording medium is obtained, which satisfies R-9709/N | 02/18/2003 |
| 6493168 | Method for cleaning a slider in a disk drive The present invention is directed to a disk drive that employs a proximity recording interface in which a slider that carries a head is designed to remain in contact with the disk during data transfer operations to achieve a high data density. In particul... | 12/10/2002 |
| 6493184 | Dedicated disk burnishing zones for burnishing magnetic recording sliders A magnetic data storage system includes at least one storage disk having a data surface of concentric radial tracks and at least one burnishing track, a drive for rotating the disk; and a slider having an air bearing surface for air support of the slider ... | 12/10/2002 |
| 6452752 | Slider for disc storage system A storage device for storing information includes a disc storage medium having a disc surface. An armature is positioned over the disc surface and carries a head proximate the disc surface. Transducing circuitry is coupled to the head for reading and writ... | 09/17/2002 |
| 6426850 | Converter support structure A slider portion is provided with protrusion portions having a spherical surface, contacting a recording medium. A center of a magnetic pole is arranged on the line C1 connecting the vertices of the protrusion portions. Line C1 is more or less aligned wit... | 07/30/2002 |
| 6421207 | Contact type magnetic disk drive In a contact type magnetic disk drive, a suspension spring or a load beam spring has a length smaller than 5 mm inclusive. This successfully reduces the amplitude of vibration to occur during seek. Also, a magnetic head slider has a mass of greater than 2... | 07/16/2002 |
| 6385013 | Contact type magnetic disc apparatus The density of the magnetic head protective layer is set to be higher than the density of a magnetic disc medium protective layer. Also, the Young's modulus of the magnetic head protective layer is set to be higher than the Young's modulus of the magnetic... | 05/07/2002 |
