Did You Know...
...that the inventor of the electric motor was a blacksmith named Thomas Davenport? Described as "a brilliantly unsuccessful inventor", Davenport invented the first rotary electric motor. In 1836 he headed out -- on foot -- from his Vermont home to file a patent application at the Patent Office in Washington, D.C. By the time he got there, he had squandered away his money and couldn't afford the $30 filing fee so he turned around and went home. When he later mailed in his application with money he'd raised, the Patent office was destroyed in a fire. He did finally get credit for his invention on Feb. 5, 1837.
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| Number | Title | Issue Date |
| 8051553 | Apparatus for adjusting pitch and roll in a head suspension Apparatus for adjusting the static attitude of a head suspension having a gimbal with at least one gimbal arm. One embodiment of the invention includes a pair of first contacting members contacting a first side of the gimbal arm at a pair of spaced apart locations, ... | 11/08/2011 |
| 8024853 | Head gimbal assembly (HGA) connector pad alignment jig A head gimbal assembly (HGA) connector pad alignment jig is disclosed. One embodiment provides an HGA testing jig for holding an HGA, the HGA testing jig including an opening at a location of the HGA connector pads. In addition, an HGA testing apparatus including a ... | 09/27/2011 |
| 7996986 | Apparatus for forming magnetic recording heads An apparatus includes: a first layer having a near field transducer positioned in a waveguide cladding; a second layer having a magnetic pole piece; a third layer including a solid immersion mirror; a first lapping guide positioned in the first layer; a second lappi... | 08/16/2011 |
| 7992287 | System for thinning a transducer with improved thickness uniformity A system for fabricating a transducer for an ink jet imaging device comprises a transducer assembly including a transducer overlying at least a portion of a flexible carrier. The transducer has a top surface extending a first distance from the carrier. A spacer over... | 08/09/2011 |
| 7987583 | Magnetic head slider testing apparatus and magnetic head slider testing method A step portion for mounting a row bar is provided at a table stepping down from the face of the table, and by lowering a pair of hooks crossing over the step portion in its width direction, a row bar held by the hooks is mounted on the step portion. While interposin... | 08/02/2011 |
| 7874063 | Thin film magnetic head integrated structure A thin film magnetic head integrated structure is provided. A plurality of thin film magnetic head bars include a plurality of thin film magnetic head precursors, a plurality of RLG sensors for read head core, and a plurality of RLG sensors for write head core, the ... | 01/25/2011 |
| 7854060 | Magnetic head substructure for use for manufacturing a magnetic head A substructure in which a plurality of pre-head portions are aligned in rows is to be cut later so that the pre-head portions are separated from one another. A surface formed by cutting the substructure is lapped to form medium facing surfaces. The substructure incl... | 12/21/2010 |
| 7805830 | Head gimbal assembly loading with fixed mounting surface A device comprises a mounting surface configured to mount a head gimbal assembly (HGA), a housing that pivots relative to the mounting surface, and a mechanism coupled to the housing that deflects the HGA when the housing pivots relative to the mounting surface. For... | 10/05/2010 |
| 7757383 | System for lapping a head having an electrical lapping guide (ELG) on a wafer A system for lapping a head on a wafer including at least one head each having an electrical lapping guide (ELG), a plurality of wafer contacts in electrical communication with the ELG, and a closure formed thereon defining a slot in which the wafer contacts are pos... | 07/20/2010 |
| 7735215 | Holder for holding a head carriage in a hard disk drive A holder with includes: a holder body formed by molding a resin material, a contact surface on the holder body for receiving an operating object to be held on the holder body, a grip portion on the holder body at a position apart from the contact surface for being g... | 06/15/2010 |
| 7694411 | Fixturing a head spindle assembly with an expanding collet An apparatus and associated method is provided for precisely positioning a datum surface of a component. The apparatus has a housing defining a tooling datum surface. A collet is supported by the housing that is selectively operable between a retracted mode and an e... | 04/13/2010 |
| 7661189 | Apparatus for adjusting static attitude of thin film magnetic head Provided is an apparatus for adjusting static attitude of a thin film magnetic head attached to a flexure of a head arm assembly. The apparatus has an adjusting unit for bending the flexure, a laser emitter unit for irradiating a laser beam to a bent area of the fle... | 02/16/2010 |
| 7644493 | Adjustable head stack comb The application discloses an adjustable head stack comb having adjustable first and second comb plates. The adjustable comb plates include at least one tooth segment which cooperatively form a comb having at least one tooth. The first and second comb plates are adju... | 01/12/2010 |
| 7631419 | Disk processing device and method A disk processing device holds and rotates a disk with a spindle. Processing tapes are supplied out and wound up by a tape reel unit so as to sandwich and be pressed on both surfaces of the disk through contact rollers. As a crankshaft is rotated, a sliding plate ro... | 12/15/2009 |
| 7596859 | Method for maintaining alignment of a hard disk micro-actuator and magnetic head with respect to a drive arm's suspension during the curing process of a bonding agent used in their coupling A system is disclosed for maintaining proper alignment of a hard disk micro-actuator and magnetic head with respect to a drive arm's suspension during the curing process of the bonding agent used in their coupling. Embodiments may include a system to couple an actua... | 10/06/2009 |
| 7543371 | Apparatus for a disk drive actuator pivot set height tooling with an active servo compensation An automated system for setting the linear distance from a mounting surface of a pivot cartridge to critical features on actuator arms is disclosed. This distance is set to eliminate the tolerance incurred via normal manufacturing of these components. The system adj... | 06/09/2009 |
| 7441322 | Method of manufacturing a magnetic detection apparatus A magnetic detection apparatus can be improved in its product yield. The magnetic detection apparatus includes a resin compact having a the magnet arranged in opposition to an object to be detected for generating a magnetic field, an IC chip with a magnetic detectio... | 10/28/2008 |
| 7397111 | Semiconductor wafer, an electronic component, and a component carrier for producing the electronic component An electronic component includes a semiconductor chip with a chip topside, an integrated circuit, and a chip backside. The chip backside includes a magnetic layer. The electronic component further includes a chip carrier with a magnetic layer on its carrier topside.... | 07/08/2008 |
| 7386935 | Methods and apparatus for controlling the lapping of a slider based on an amplitude of a readback signal produced from an externally applied magnetic field The lapping of a slider is controlled based on an amplitude of a readback signal which is produced from an externally applied magnetic field. A lapping plate is used to lap a slider which includes at least one magnetic head having a read sensor. During the lapping, ... | 06/17/2008 |
| 7371041 | Assembly station with rotatable turret which forms and unloads a completed stack of articles Method and apparatus for forming and unloading a completed stack of articles. An assembly station includes a rotatable turret from which at least one stacker arm projects. The turret rotates to each of a number of article loading positions to sequentially load artic... | 05/13/2008 |
| 7363697 | Method for manufacturing a group of head gimbal assemblies A system and method for the production level screening of low flying magnetic heads in the manufacture of disk drive head disk assemblies (HDAs) is disclosed. A test disk is provided and has a plurality of bumps extending from at least one surface thereof. The test ... | 04/29/2008 |
| 7311882 | Capillary interconnect device A manifold for connecting external capillaries to the inlet and/or outlet ports of a microfluidic device for high pressure applications is provided. The fluid connector for coupling at least one fluid conduit to a corresponding port of a substrate that includes: (i)... | 12/25/2007 |
| 7296342 | Fixture for magnetization of a shaft for a linear stepper motor In a preferred embodiment, a fixture for magnetizing axially alternating N and S poles defined circumferentially in a portion of an outer periphery of an axially extending, cylindrical, smooth shaft, the fixture including: a hollow cylindrical mandrel formed from a ... | 11/20/2007 |
| 7296341 | Disassembling tool for process cartridge A disassembling tool pushes first and second coupling members out of a process cartridge that also has an electrophotographic photosensitive member, and first and second coupling members for rotatably coupling first and second frames of the cartridge together. The d... | 11/20/2007 |
| 7293351 | Apparatus for protecting and merging a head stack assembly An apparatus for protecting and merging a head stack assembly with a disc stack of a data storage device. The head stack assembly comprises a cantilevered flexure which supports a transducer at a distal end thereof. A carrier includes a carrier support surface arran... | 11/13/2007 |
| 7287315 | Apparatus for measuring slider mounting position in magnetic head, and magnetic head manufacturing system using the measurement apparatus The present invention provides a measurement apparatus for obtaining a suitable position on a suspension where a more miniature magnetic head slider is to be mounted to the suspension, the apparatus including a front camera having a photographing optical axis within... | 10/30/2007 |
| 7287316 | Lapping monitor device, system and method A lapping monitor element that is juxtaposed with a magnetic transducer element having a magnetoresistance effect film to determine the lapping position upon lapping the element height of the magnetic transducer element to a predetermined dimension. The lapping moni... | 10/30/2007 |
| 7275311 | Apparatus and system for precise lapping of recessed and protruding elements in a workpiece An apparatus and system for precise lapping of recessed and protruding elements in a workpiece is disclosed. According to one embodiment, a system is provided having an air bearing surface with electrical components embedded therein to provide a desired surface dime... | 10/02/2007 |
| 7260886 | Fastening a magnetic disk to a hub structure Embodiments of the invention provide a clamping mechanism capable of clamping a magnetic disk by an accurate fastening force. In one embodiment, a magnetic disk fastening method includes the steps of: mounting a magnetic disk on a hub structure, setting a thin plate... | 08/28/2007 |
| 7215509 | Pop-on disc clamp for a data storage device Steps for clamping storage media to a motor hub to form a data storage device include; securing the disc clamp with a mounting tool, which subsequently expands a central mounting aperture of the disc clamp for assembly of the disc clamp to the motor hub. Upon eschew... | 05/08/2007 |
| 7210221 | Transfer system for assembling a head gimbal assembly A base plate and load beam for an HG assembly are formed in series, stacked, and transferred by a transfer system in the form of the stacked-layer series to undergo the necessary assembly processes such as layer joining, slider attachment, and electrical connections... | 05/01/2007 |
| 7194802 | Tool for certifying a head-gimbal assembly A device and method for testing a slider of a head-gimbal assembly during disc drive manufacturing. The device includes a test disc, an actuator arm and a control module. The test disc has a first circumferential area for detecting contact between the slider and the... | 03/27/2007 |
| 7165317 | Electrode extension sheet for use in a lapping apparatus The present invention is an object to provide an apparatus or a method making it possible to easily effect connection between additional electrodes, etc. and lead electrodes when performing a processing for achieving a predetermined throat height value or crown proc... | 01/23/2007 |
| 7161766 | Base plate structure, transfer system, and method and apparatus for assembling a head gimbal assembly A base plate and load beam for an HG assembly are formed in series, stacked, and transferred by a transfer system in the form of the stacked-layer series to undergo the necessary assembly processes such as layer joining, slider attachment, and electrical connections... | 01/09/2007 |
| 7150094 | Method of stiffening an actuator comb and coil assembly A voice coil and actuator yoke assembly is fabricated by deforming the coil to exactly fit the inner perimeter and thickness of the yoke. The comb is placed in a tool that registers the comb with the yoke against the same flat surfaces that will squash the coil. The... | 12/19/2006 |
| 7114243 | Gripper with parts ejector system A robotic tool picks and places a clinging part in an assembly. Two gripper jaws each have gripper fingers spaced apart from each other by a central spacing. The gripper jaws are movable between a grip position and a release position. The robotic tool also has an ej... | 10/03/2006 |
| 7114244 | Disc centering device A disc centering device includes a base plate, a chuck which is installed on the base plate, a hub unit which is detachably engaged to the chuck and receives discs and spacers to be stacked, disc pushers which are slidably provided outside the hub unit and include c... | 10/03/2006 |
| 7107669 | System for mounting an underfloor electronic equipment This invention relates to a system for mounting an underfloor electronic equipment to a rolling stock body having an underfloor storage portion formed under the floor in the longitudinal direction of the body as a portion of the body. The underfloor storage portion ... | 09/19/2006 |
| 7073251 | Disassembling tool for process cartridge The disassembling tool for a process cartridge has a base body, an engagement portion provided on the base body and adapted to be engaged with the process cartridge to thereby position the process cartridge, a pushing-out portion provided for movement relative to th... | 07/11/2006 |
| 7051424 | Method and apparatus for electrically and physically coupling a micro-actuator and slider to a hard drive arm suspension for component replacement after detachment from the suspension A system and method are disclosed for coupling a replacement micro-actuator to a drive arm suspension after a micro-actuator, such as a defective micro-actuator, has been detached from the suspension. ... | 05/30/2006 |
