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| Number | Title | Issue Date |
| 7369365 | Head slider capable of being reliably released from effect of moving recording medium A medium-opposed surface of a slider body is hemisected into first and second areas by the centerline extending in the longitudinal direction of the slider body. The second area is designed to generate a positive pressure larger than that generated at the first area... | 05/06/2008 |
| 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 |
| 7236331 | System and method to provide a ramp having a location which is transitioning from a first grade to a second grade for removing a read/write head from a media Methods to provide a ramp to remove a read/write head connected with a suspension from a media in accordance with the present invention can comprise calculating a grade of one or more surfaces having a plurality of progressively shallower grades. A transition betwee... | 06/26/2007 |
| 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 |
| 7159228 | Converter support device with slider A converter that records or reproduces information to or from a recording medium while making a movement relative to the recording medium is mounted on a slider. The slider has at least a pair of openings on a side face thereof, and airflow generated by the movement... | 01/02/2007 |
| 7142393 | Magnetic head and magnetic disk apparatus An MR head includes a slider, and a film structure part which is located on an air outflow side of the slider and includes an MR element for reproducing. The film structure part has an end surface located on an identical side as a floating surface of the slider. The... | 11/28/2006 |
| 7137190 | Method for fabricating a magnetic transducer with a corrosion resistant layer on metallic thin films by nitrogen exposure A process is described for fabricating magnetic transducers with metallic thin films with a corrosion resistant surface produced by exposing the thin films to a nitrogen in a plasma chamber. The exposure to the nitrogen is believed to increase the corrosion resistan... | 11/21/2006 |
| 7116522 | System and method related to a flexible circuit A tape drive comprises a magnetic head and a flexible circuit coupled to the magnetic head. The flexible circuit comprises a rolling loop and a double layer portion that extends at least partially through the rolling loop. ... | 10/03/2006 |
| 7057855 | Head slider with flotation improving section and disk drive apparatus using the same A head slider has, on its front face opposing a disk, a positive pressure generating section and a negative pressure generating recess, and a sloped face slopping toward the air outlet side. By virtue of the sloped face, the negative pressure hindering with high-spe... | 06/06/2006 |
| 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 |
| 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 |
| 6965498 | Air-bearing sliders having leading read/write head and flying with negative pitch The present invention is directed towards air-bearing sliders that are used in disk drives. The invention involves pitching a slider so that the leading portion of the slider is closer to the disk than the trailing portion of the slider. The negative pitch reduces t... | 11/15/2005 |
| 6950266 | Active fly height control crown actuator A micro-actuator is comprised of a piezoelectric motor mounted on a flexure tongue with offsetting hinges, to perform a fine positioning of the magnetic read/write head. The substantial gain in the frequency response greatly improves the performance and accuracy of ... | 09/27/2005 |
| 6934124 | Rotating recording medium and slider of thin-film magnetic head device A slider includes a slider main body and a thin-film magnetic head element. The slider main body has an air bearing surface, an air inflow end, and an air outflow end. The air bearing surface has a first part closer to the air outflow end, a second part closer to th... | 08/23/2005 |
| 6926582 | System and method for rounding disk drive slider corners and/or edges using a flexible slider fixture, an abrasive element, and support elements to control slider orientation A system and method for burnishing the edges and corners of hard disk drive sliders uses a combination of flexible tape fixturing and mechanical protrusions located beneath the tape to systematically orient selected slider corners and edges to be exposed to an abras... | 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 |
| 6916227 | Method and apparatus for processing sliders for use in disk drives and the like A system and method are described for processing a slider (e.g., one to be used in a disk drive apparatus). Corners of the sliders are abraded while still a part of a row of sliders in a part-off operation. By abrading the corners of the sliders, head slap events be... | 07/12/2005 |
| 6804086 | Unitary crystalline slider with edges rounded by laser ablation A curved surface is formed between first and second a substantially planar surfaces that are normal to each other, such as the bottom and side surfaces of a slider for a disc drive. A laser beam has a center with a focus and a power distribution, such as a Gaussian ... | 10/12/2004 |
| 6690544 | Magnetic head and magnetic head manufacturing method A magnetic head slider including a plurality of rails adapted to face a magnetic disk. Each of the rails has a longitudinal extension direction substantially in a direction of rotation of the magnetic disk, and a protective film is provided on a floating ... | 02/10/2004 |
| 6504680 | Magnetic head and magnetic head manufacturing method 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 milli... | 01/07/2003 |
| 6501622 | Head slider capable of improving shock resistance of recording disk drive A head slider, usually employed in a recording disk drive, comprises a chamfered vertex defined at a corner of a polygonal bottom surface surrounded by a contour separated from a contour of an air bearing surface. Even when the chamfered vertex collides w... | 12/31/2002 |
| 6452750 | Slider including a rail having a concave end and method of manufacturing same A slider is provided that can implement a magnetic head reducing damage to a magnetic recording medium. The slider includes a body having a surface facing the magnetic recording medium and including at least one rail. The rail has at least one end that is... | 09/17/2002 |
| 6362935 | Chamfered head for enhanced loading onto media A read/write head for use in a disk drive having chamfered surfaces reducing possible damage to the head assembly and/or media during loading and unloading of heads form media surface. In an inadvertent collision between the media and head assembly, the m... | 03/26/2002 |
| 6246545 | Head slider with asymmetric air rails To provide a head slider capable of enhancing the electromagnetic transductional characteristic of a magnetic head and a magnetic disk unit provided with the head slider, the head slider provided with a rail on each side and floated over a magnetic disk b... | 06/12/2001 |
| 6198601 | Thin film magnetic head having non-linear tapered rails 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... | 03/06/2001 |
| 6181518 | Transverse pressurization contour slider An improved transverse pressurization contour (TPC) slider and method for manufacturing the same in which the TPC surfaces occupy more than 50% of the slider rail surfaces. The rail widths may be defined by a shallow etching step in conjunction with a dee... | 01/30/2001 |
| 6040959 | Slider with blunt edges A slider has a rail with a medium facing surface. At least part of a lateral wall of the rail is located closer to a center of the slider than a lateral wall of the slider. First edges between the medium facing surface of each of the rails and the lateral... | 03/21/2000 |
| 5926344 | Floating head slider with concave sides, magnetic disk device with such a slider, and method for controlling air flow in a slider with dust-trapping concave sides In a floating head slider, a slider rail has a floating pressure generation surface of a prescribed width and which opposes a magnetic disk, a slider element, and a side wall extending from this floating pressure generation surface to the slider element. ... | 07/20/1999 |
| 5748408 | Flight slider for magnetic recording A flight slider for magnetic recording. The slider according to the invention has at least one indentation to the rear of the relief or reliefs and the slider has utility for magnetic recording. The slider includes a support structure and at least one rai... | 05/05/1998 |
| 5742451 | Machined magnetic head with contoured air bearing surfaces The present invention is directed to stabilize the flying height at a constant level and prevent head crashes. Indented portions 104 and 105 are formed shorter than rail portions 101 and 102. Rear rail surfaces 113 and front rail surfaces 112 are formed at the... | 04/21/1998 |
| 5388017 | Disk file with air-bearing slider having skids A contact start/stop (CSS) disk file has an improved head-disk interface which has significantly reduced static friction between the head-supporting slider and the disk. The slider has a plurality of narrow skids which project from the air-bearing surface... | 02/07/1995 |
| 5359480 | Magnetic head air bearing slider An air bearing slider of a thin film magnetic head assembly is configured with tapered portions at its leading edge and with two side rails extending from the tapers to the trailing edge of the slider. Recesses that are formed in the rails are spaced from... | 10/25/1994 |
| 5325252 | Magnetic disc apparatus having two flexible bending members of an FPC between a fixing portion and a rocking actuator bent in opposite directions A magnetic disc apparatus has a rocking type actuator driven in a rocking motion by the driving force of a VCM (voice coil motor). Two flexible bending members fixed to a rotor move in synchronization with the driving of the rocking type actuator. The res... | 06/28/1994 |
| 5301077 | Thin film magnetic head At the time of polishing an air bearing surface 12 the edge of the air bearing surface 12 is simultaneously beveled to form edge surfaces 14. The air bearing surface 12 is preferably constituted as a flat planar surface 121 having a tapered surface 122 co... | 04/05/1994 |
| 5299079 | Flying head slider with control grooves to establish a uniform flying height A flying head slider for use in a hard disk drive includes a slider body having pair of parallel slider rails spaced from each other with a slider groove defined therebetween. A magnetic head is supported on one of the slider rails. The slider body also h... | 03/29/1994 |
| 5267107 | Laminated magnetic transducer A magnetic transducer includes a laminate forming an I-core having a layer of magnetic material deposited between first and second non-magnetic substrates. The layer of magnetic material is generally perpendicular to and extends to a first surface of the ... | 11/30/1993 |
| 5156704 | Method for fabricating magnetic head air bearing sliders A method of manufacturing structural elements in magnetic head air bearing sliders by etching. The invention forms transverse pressure contours on the edges of a slider air bearing surface by first forming slots in a slider blank adjacent the location whe... | 10/20/1992 |
| 5020213 | Method of producing a head core slider Method for producing a head core slider for a rigid magnetic disk drive, including a ferrite slider body having a pair of air bearing portions which have a predetermined height and are spaced apart from each other in a transverse direction perpendicular t... | 06/04/1991 |
| 5012572 | Method for producing a head core slider A head core slider for a rigid magnetic disk drive, and a method of producing the same. The core slider includes a slider body, a track portion, a yoke portion and a narrow stepped portion. The slider body has two spaced-apart parallel air bearing portion... | 05/07/1991 |
| 4961121 | Air bearing slider rail design with trumpet-shaped rail portion An air bearing slider for supporting a transducer is provided with a pair of rails having an air bearing surface with a continuously curved part with its greatest width at the leading end of the slider. In the rear area of the slider the air bearing surfa... | 10/02/1990 |
