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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 7443632 | Magnetic head with stitched top pole layer and single layer coil or solenoidal coil A magnetic head is disclosed that has first and second substantially flat soft magnetic pole layers that are magnetically coupled together in a backgap region that is removed from the medium-facing surface; a soft magnetic pedestal having a leading edge and a traili... | 10/28/2008 |
| 7436638 | Ferromagnetic pinning structure including a first section antiferromagnetically coupled to a pinned layer and a second section elongated relative to the first section in a stripe height direction A CPP magnetic sensor is disclosed with a ferromagnetic layer that extends in a first direction a first distance; a nonferromagnetic spacer layer that adjoins the ferromagnetic layer and extends in the first direction a second distance that is substantially equal to... | 10/14/2008 |
| 7430098 | Perpendicular magnetic recording head with dynamic flying height heating element A magnetic head includes a slider having an air bearing surface (ABS) and a trailing surface, with a transducer fabricated on the trailing surface. The transducer includes an adjunct pole disposed in a first general plane, the adjunct pole having a front edge that i... | 09/30/2008 |
| 7419891 | Method and system for providing a smaller critical dimension magnetic element utilizing a single layer mask The method and system for providing a magnetic element are disclosed. The method and system include providing a magnetic element stack that includes a plurality of layers and depositing a stop layer on the magnetic element stack. The method and system also include p... | 09/02/2008 |
| 7389577 | Method to fabricate an ESD resistant tunneling magnetoresistive read transducer A method to fabricate a tunneling magnetoresistive (TMR) read transducer is disclosed. An insulative layer is deposited on a wafer substrate, and a bottom lead is deposited over the insulative layer. A laminated TMR layer, having a plurality of laminates, is deposit... | 06/24/2008 |
| 7375926 | Inductive writer design using a soft magnetic pedestal having a high magnetic saturation layer A magnetic head for writing information on a relatively-moving medium includes a first substantially flat soft magnetic pole layer and a second substantially flat pole layer with at least one coil layer between them. The pole layers are magnetically coupled in a cor... | 05/20/2008 |
| 7371152 | Non-uniform subaperture polishing A method for subaperture polishing includes determining a first portion of a sample to be polished disproportionately compared to a second portion of the sample. Based on the determination of the first portion, a sweep frequency that is a first rate of lateral motio... | 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 |
| 7349179 | Write head for improved manufacturability larger write field and reduced adjacent track erasure A magnetic write head provides a significant write field and minimal adjacent track erasure, and lends itself to improved manufacturability. The write head includes a pedestal throat height that defines a bottom pole, P1, and that is substantially recessed fr... | 03/25/2008 |
| 7349170 | Method of monitoring operation of a disk drive by analyzing the envelope of a read-back signal in the frequency domain A method monitors operation of a disk drive. The method includes providing a disk drive which includes a rotating disk and a head having a read transducer in proximity to a surface of the disk and an adjustment mechanism which controllably adjusts an average relativ... | 03/25/2008 |
| 7342752 | Magnetoresistive read head having a bias structure with at least one dusting layer A magnetoresistive read head includes a magnetoresistive sensor and a bias structure adjacent to the magnetoresistive sensor. The bias structure provides a magnetostatic bias field for the magnetoresistive sensor. The bias structure includes an underlayer, a bias la... | 03/11/2008 |
| 7318088 | Receiving data at a client computer and performing an operation on the data at the client computer based on information in the key file A method of receiving data at a client computer and performing an operation on the received data is disclosed. The method comprises: receiving a key file having a rule identifying the operation to be performed on the data received at the client computer; receiving t... | 01/08/2008 |
| 7289288 | Disk drive having hybrid spindle speed control and related method A disk drive is disclosed having hybrid spindle speed control. The disk drive includes a disk having a plurality of servo wedges, and a spindle motor for rotating the disk at an operating speed. The spindle motor generates a back electromotive force (BEMF) voltage. ... | 10/30/2007 |
| 7280325 | Ferromagnetic structure including a first section separated from a ferromagnetic layer by an electrically conductive nonmagnetic spacer and a second section elongated relative to the first section in at least one dimension A CPP magnetic sensor is disclosed with a ferromagnetic layer that extends in a first direction a first distance; a nonferromagnetic spacer layer that adjoins the ferromagnetic layer and extends in the first direction a second distance that is substantially equal to... | 10/09/2007 |
| 7239478 | Write element for perpendicular recording in a data storage system A write element for perpendicular recording in a data storage system is fabricated to maintain the thickness of a side shield at both edges of a pole P3, and to form the pole P3 in a trapezoidal shape. Forming a side shield around the pole P3 re... | 07/03/2007 |
| 7212384 | Magnetic read head with recessed hard bias and current leads A read element includes a magnetoresistive sensor having a side and an upper surface that defines an edge. An underlayer overlies the side of the magnetoresistive sensor, and a hard bias layer overlies at least part of the underlayer and defines a hard bias junction... | 05/01/2007 |
| 7196880 | Spin valve sensor having a nonmagnetic enhancement layer adjacent an ultra thin free layer A spin valve device includes a non-magnetic enhancement layer adjacent an ultra thin free layer. The thickness of the free layer may be less than the mean free path of a conduction electron through the free layer. The GMR ratio is significantly improved for free lay... | 03/27/2007 |
| 7196864 | Disk drive having a servo control system optimized for faster determination of repeatable runout correction values and related method A disk drive is disclosed having a servo control system optimized for faster determination of repeatable runout (RRO) correction values. Each circumferential track on a magnetic disk exhibits total runout having an RRO component and a nonrepeatable runout (NRO) comp... | 03/27/2007 |
| 7184230 | System and method for processing track identifier errors to mitigate head instability in data storage devices A system and method for processing track identifier errors to mitigate head instability in data storage devices is disclosed. The system and method includes computing a track id differential between an expected track id and a received track id, encoding the expected... | 02/27/2007 |
| 7174622 | Process of making a non-corrosive GMR slider for proximity recording A method of fabrication of a slider includes forming a first ferromagnetic layer, a second ferromagnetic layer, and an antiferromagnetic layer and applying a layer of protective material to proximal ends of those layers that are proximal to the disk surface. The met... | 02/13/2007 |
| 7145744 | Reducing spiral write time and clock track drift while writing spiral reference patterns to a disk of a disk drive Disclosed is a method for reducing spiral write time and clock reference drift while writing spiral reference patterns on a disk of a disk drive. The method includes: controlling a radial location of a head for writing a first band of tracks near one of an outer dia... | 12/05/2006 |
| 7134185 | Method of making narrow track width magnetoresistive sensor A method and system for forming a microscopic transducer are described. The method and system include forming a plurality of adjoining sensor layers. The sensor layers include a first magnetically soft layer, a nonmagnetic layer on the first magnetically soft layer,... | 11/14/2006 |
| 7133253 | Pole tip with sides flared at media-facing surface A thin film electromagnetic head has an inductive transducer with a ferromagnetic pole layer terminating adjacent a media-facing surface at a pole tip surface. The pole layer has side surfaces each having an end region that meets the pole tip surface, the end region... | 11/07/2006 |
| 7126790 | Magnetic head for perpendicular recording with magnetic loop providing non-perpendicular write field A magnetic head for writing information on perpendicular media has a write pole tip and a return pole tip with a media-facing area at least two orders of magnitude greater than that of the write pole tip, the return pole tip is spaced from a trailing corner of the w... | 10/24/2006 |
| 7126788 | Trailing edge recording magnetic head with reversed double bias coil and deflection pole for perpendicular recording with a non-perpendicular write field A magnetic head for writing information on perpendicular media has a write pole tip, a return pole tip and a deflection pole tip is disclosed. The return pole tip has a media-facing area at least two orders of magnitude greater than that of the write pole tip, and t... | 10/24/2006 |
| 7116505 | Reducing the length of servo-wedges in a disk drive A method for reducing the length of servo-wedges in a disk drive comprising a concentric tracks, each track comprising embedded servo-wedges each having a track identification field (TIF) and a servo-wedge identification field (WIF), wherein the embedded servo-wedge... | 10/03/2006 |
| 7111382 | Methods for fabricating redeposition free thin film CPP read sensors Methods are provided for forming current perpendicular to the plane thin film read heads. In one embodiment, the method comprises the steps of forming a lower sensor lead, forming a lower sensor lead cladding of a low sputter yield material on the lower sensor lead,... | 09/26/2006 |
| 7110289 | Method and system for controlling MRAM write current to reduce power consumption In a method and system for reducing power consumed by a magnetic memory, magnetic memory cells are coupled to a bit line and are associated with a plurality of digit lines. A bit line current is provided in the bit line. Digit currents are provided in parallel in th... | 09/19/2006 |
| 7110214 | Disk drive to implement a seek operation utilizing a deceleration velocity profile that mathematically models BEMFs Disclosed is a disk drive including an actuator having a coil, a head attached to the actuator, and a disk including at least a first track and a second track, and a processor for controlling operations in the disk drive including a seek operation from the first tra... | 09/19/2006 |
| 7068461 | Servo writing a disk drive by overwriting a harmonic frequency fill pattern in the servo burst area A disk drive is disclosed comprising a disk having a plurality of servo bursts written using perpendicular magnetic recording, wherein each servo burst is written at a servo burst frequency. A fill pattern is written between the servo bursts using perpendicular magn... | 06/27/2006 |
| 7064918 | Reducing head gain calibration time in a disk drive A method for reducing a servo channel head gain calibration time comprising initiating a servo channel head gain calibration process for a head corresponding to the selected disk surface; obtaining a head gain calibration value for a pre-selected zone in the selecte... | 06/20/2006 |
| 7061714 | Disk drive modifying estimated seek times for a rotational position optimization algorithm based on change in estimated seek time parameter A disk drive is disclosed comprising a disk, a head, and a voice coil motor (VCM) for actuating the head over the disk. The disk drive executes a rotational position optimization (RPO) algorithm to select a next command to execute relative to an estimated seek time ... | 06/13/2006 |
| 7054113 | Reader/writer for magnetic memory A method for manufacturing a reader/writer is provided having a substrate with an undercoat formed thereon. A first shield is formed over a portion of the undercoat and a pair of reader leads is formed over the first shield and undercoat. A read sensor is formed bet... | 05/30/2006 |
| 7054098 | Disk drive employing asymmetric acceleration/deceleration pulses for acoustic noise reduction during unlatch A disk drive is disclosed comprising a disk, an actuator arm, a head connected to a distal end of the actuator arm, and a voice coil motor (VCM) for rotating the actuator arm about a pivot to actuate the head over the disk, wherein the VCM rotates the actuator arm i... | 05/30/2006 |
| 7050258 | Disk drive and method for improved disk rotation control The invention relates to a disk drive and related method for improved disk rotation rate control in the presence of seek operations. A spindle motor rotates a spindle, supporting at least one disk with a magnetic recording surface, in response to a motor current. Th... | 05/23/2006 |
| 7050249 | System and method for processing track identification data in a disk drive A system and method for processing track identification data in a disk drive having concentric tracks each having a track identification field (TIF) stored in embedded servo sectors, the TIF includes a band segment identifying a group of tracks, and an index segment... | 05/23/2006 |
| 7046472 | Method and apparatus for self servowriting of tracks of a disk drive using an observer based on an equivalent one-dimensional state model A method is disclosed for writing servo patterns for tracks on a rotating magnetic disk medium of a magnetic disk drive. In the method, track following is performed along a reference track, defined by previously written servo burst patterns, using a servo loop havin... | 05/16/2006 |
| 7027274 | Spin-dependent tunneling read/write sensor for hard disk drives A hard biased spin-dependent tunneling sensor and manufacturing method therefor is provided having a substrate with a first lead formed thereon. A hard magnet is formed over the first lead and a free layer is formed over the hard magnet. A tunneling barrier layer wi... | 04/11/2006 |
| 7027257 | Disk drive having a disk including a servo burst pattern in which a phase difference between radially adjacent servo bursts is less than 180 degrees A disk drive has a sampled servo system controller and a disk. The disk has a plurality a plurality servo burst fields, each including a first normal burst field, a first quadrature burst field, a second normal burst fields and a second quadrature burst field. A por... | 04/11/2006 |
| 7027256 | Disk drive having servo sectors that store repeatable runout correction values and related error correction code data A magnetic disk drive having a reduction in repeatable runout (RRO) effects is disclosed. The disk drive has a head disk assembly (HDA) and a sampled servo controller. The HDA includes a rotating magnetic disk, an actuator, and a transducer head. The magnetic disk h... | 04/11/2006 |
