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A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 8184507 | Slider with integrated thermally-assisted recording (TAR) head and long laser diode with optical body for directing laser radiation A thermally-assisted recording (TAR) slider has an integrated TAR head and an integrated long laser diode, like an external-cavity VCSEL. The TAR head is integrated with the slider at the trailing end and includes an optical waveguide having a grating coupler orient... | 05/22/2012 |
| 8179633 | Perpendicular magnetic recording system and write head with transverse auxiliary pole for fast switching of write pole magnetization A perpendicular magnetic recording system has a write head having a main coil (the write coil) and main pole (the write pole) that directs write flux in a direction perpendicular to the recording layer in the magnetic recording medium, and a transverse auxiliary pol... | 05/15/2012 |
| 8178158 | Method for making a current-perpendicular-to-the-plane giant magnetoresistance (CPP-GMR) sensor with a confined-current-path (CCP) A method of making a current-perpendicular-to-the-plane giant magnetoresistive (CPP-GMR) sensor with a confined-current-path (CCP) layer uses an array of self-assembled ferritin protein molecules with inorganic cores to make the CCP layer in the sensor stack. In one... | 05/15/2012 |
| 8168311 | Magnetic recording disk having pre-patterned surface features and planarized surface A magnetic recording disk with pre-patterned surface features of elevated lands and recessed grooves or trenches, like a discrete-track media (DTM) or bit-patterned media (BPM) disk, has a planarized surface. A multilayered disk overcoat is used to protect the recor... | 05/01/2012 |
| 8164988 | All-optical magnetic recording system using circularly polarized light and bit-patterned media A perpendicular magnetic recording system uses bit-patterned media (BPM) and circularly polarized light to switch the magnetization of the discrete magnetic bits by the inverse Faraday effect. Circularly polarized light generates an external rotating electric field ... | 04/24/2012 |
| 8154829 | Tunneling magnetoresistive (TMR) device with improved ferromagnetic underlayer for MgO tunneling barrier layer A tunneling magnetoresistance (TMR) device, like a TMR read head for a magnetic recording hard disk drive, has a magnesium oxide (MgO) tunneling barrier layer and a ferromagnetic underlayer beneath and in direct contact with the MgO tunneling barrier layer. The ferr... | 04/10/2012 |
| 8154827 | Integrated lead suspension with multiple crossover coplanar connection of the electrically conductive traces An integrated lead suspension (ILS) or flexure has a connection scheme that allows for coplanar and interleaved conductive traces between read/write circuitry and a read/write head in a magnetic recording disk drive. At each end of the flexure there is an island of ... | 04/10/2012 |
| 8139448 | Slider with integrated thermally-assisted recording (TAR) head and vertical-cavity surface-emitting laser (VCSEL) with angled external cavity A thermally-assisted recording (TAR) slider has an integrated TAR head and an integrated external-cavity VCSEL. The TAR head is integrated with the slider at the trailing end and includes an optical waveguide having a grating coupler oriented in a plane generally pa... | 03/20/2012 |
| 8139321 | Perpendicular magnetic recording write head with improved laminated main pole A perpendicular magnetic recording write head has an improved antiferromagnetically-coupled laminated main pole (MP) formed on a substrate. The MP has two ferromagnetic multilayers, each comprising at least one FeCo/NiFe/FeCo ferromagnetic trilayer, antiferromagneti... | 03/20/2012 |
| 8139319 | Perpendicular magnetic recording system with magnetic precession for fast switching of perpendicular write pole magnetization A perpendicular magnetic recording system has a write head with a main perpendicular write pole connected to a yoke with first and second electrical coils. The first coil is wrapped around the yoke on one side of the main pole, and the second coil is wrapped around ... | 03/20/2012 |
| 8119264 | Perpendicular magnetic recording disk with ultrathin nucleation film for improved corrosion resistance and method for making the disk A perpendicular magnetic recording disk has a granular cobalt alloy recording layer (RL) containing an additive oxide or oxides, an intermediate layer (IL) as an exchange-break layer on the “soft” magnetic underlayer (SUL), and an ultrathin nucleation film (NF) ... | 02/21/2012 |
| 8119017 | Method using block copolymers for making a master mold with high bit-aspect-ratio for nanoimprinting patterned magnetic recording disks The invention is a method for making a master mold to be used for nanoimprinting patterned-media magnetic recording disks. The method uses conventional optical or e-beam lithography to form a pattern of generally radial stripes on a substrate, with the stripes being... | 02/21/2012 |
| 8116032 | Perpendicular magnetic recording system with auxiliary coil and circuitry for fast switching of write pole magnetization A perpendicular magnetic recording system has a write head having a main coil (the write coil) and main pole (the write pole) that directs write flux in a direction perpendicular to the recording layer in the magnetic recording medium, and an auxiliary coil and auxi... | 02/14/2012 |
| 8116031 | Perpendicular magnetic recording system with helical write coil and auxiliary coil for fast switching of write pole magnetization A perpendicular magnetic recording system has a write head having a main helical coil (the write coil) and main pole (the write pole) that directs write flux in a direction perpendicular to the recording layer in the magnetic recording medium, and an auxiliary coil ... | 02/14/2012 |
| 8112580 | Disk drive having multiple disk surfaces accessible by a read/write head and nonvolatile memory for continuous data transfer A magnetic recording hard disk drive (HDD) has at least one read/write head that accesses more than one disk surface. The HDD is able to transfer data to and from the host computer seamlessly without interruption during the time the head is being moved from one disk... | 02/07/2012 |
| 8107326 | Slider with integrated thermally-assisted recording (TAR) head and integrated long laser diode A thermally-assisted recording (TAR) slider has an integrated TAR head and an integrated laser diode. The laser diode may be an external-cavity VCSEL that includes a semiconductor substrate with the VCSEL formed on one surface, an external cavity on the opposite sur... | 01/31/2012 |
| 8081542 | Thermally-assisted recording (TAR) disk drive with patterned multilevel media and laser with power modulation A thermally-assisted recording (TAR) patterned-media magnetic recording disk drive has a perpendicular patterned-media disk with multilevel data islands and a laser capable of supplying multiple levels of output power to a near-field transducer (NFT). If there are o... | 12/20/2011 |
| 8081399 | Perpendicular magnetic recording write head with enhancement capacitor on slider body for write current overshoot at write current switching Write enhancement circuitry on the head carrier of a magnetic recording disk drive provides additional write current overshoot beyond that provided by the write driver circuitry. An enhancement capacitor is formed with a dielectric layer between two layers of electr... | 12/20/2011 |
| 8077432 | Disk stack assembly with spindle motor hub having improved disk-supporting flange An improved disk stack assembly for a hard disk drive (HDD) includes a generally cylindrical hub with flange having a downward sloping conical flange surface. The conical flange surface is defined between a radially inner circular ridge and a radially outer circular... | 12/13/2011 |
| 8059632 | Method and system for transmission of channel quality indicators (CQIs) by mobile devices in a wireless communications network A method and system for optimizing channel quality indicator (CQI) transmissions by mobile devices in a cellular network allows transmission of CQIs at a slower rate and with fewer bits during voice-over-internet-protocol (VoIP) sessions than during non-real-time (N... | 11/15/2011 |
| 8059352 | Patterned-media magnetic recording disk with cryptographically scrambled patterns and disk drive operable with the disk Patterned-media magnetic recording disks are made from a master template that has nondata regions that contain a pattern of one or more discrete nondata islands and discrete gaps, with the pattern representing a scrambled number. All disks made from the master templ... | 11/15/2011 |
| 8059350 | Patterned magnetic recording disk with patterned servo sectors having chevron servo patterns A patterned-media perpendicular magnetic recording disk has patterned servo regions and is nanoimprinted from a master mold made using directed self-assembly of block copolymers. The disk has patterned concentric circular data tracks of discrete data islands, with t... | 11/15/2011 |
| 8048546 | Perpendicular magnetic recording disk with ordered nucleation layer and method for making the disk A continuous-media perpendicular magnetic recording disk with an oxide-containing granular Co alloy recording layer (RL) having minimal grain size dispersion has an ordered nucleation layer (ONL) formed below RL. The ONL has ordered nucleation sites arranged in a ge... | 11/01/2011 |
| 8021769 | Patterned perpendicular magnetic recording medium with exchange coupled recording layer structure and magnetic recording system using the medium A patterned perpendicular magnetic recording medium has discrete magnetic islands, each of which has a recording layer (RL) structure that comprises two exchange-coupled ferromagnetic layers. The RL structure may be an “exchange-spring” RL structure with an uppe... | 09/20/2011 |
| 8018679 | Perpendicular magnetic recording write head with slanted magnetic write pole A perpendicular magnetic recording write head is formed on the trailing surface of a head carrier or slider that has an air-bearing surface (ABS) oriented generally parallel to the surface of the disk during operation of the disk drive. The write head has a slanted ... | 09/13/2011 |
| 8015694 | Method for making a scissoring-type current-perpendicular-to-the-plane (CPP) magnetoresistive sensor A “scissoring-type” current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with dual ferromagnetic sensing or free layers separated by a nonmagnetic spacer layer has improved stability as a result of etch-induced uniaxial magnetic anisotropy in each of... | 09/13/2011 |
| 8015433 | Disk drive with nonvolatile memory for storage of failure-related data A disk drive that includes nonvolatile memory monitors the drive's reliability-related parameters to detect real or potential failure events, and records failure-related data in nonvolatile memory, rather than in reserved areas of the disks. The monitoring may be by... | 09/06/2011 |
| 8014400 | Method for allocating data packet transmission among multiple links of a network, and network device and computer program product implementing the method A method for intelligently distributing packets of a data stream to multiple links of a network for simultaneous transmission via the multiple links, and for periodically re-allocating the distribution, achieves higher network throughput. The method has particular a... | 09/06/2011 |
| 8014109 | Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with antiparallel-pinned layer containing silicon A current-perpendicular-to-the-plane (CPP) spin-valve (SV) magnetoresistive sensor uses an antiparallel (AP) pinned structure and has a ferromagnetic alloy comprising Co, Fe and Si in the reference layer of the AP-pinned structure and optionally in the CPP-SV sensor... | 09/06/2011 |
| 8014097 | Disk drive with adaptive counting of writes to the data tracks for minimizing the effect of adjacent track encroachment A hard disk drive (HDD) uses adaptive counting of writes to the data tracks to minimize the effect of adjacent track encroachment (ATE). The tracks are grouped into segments and a counter is associated with each segment, but the number of tracks in a segment varies ... | 09/06/2011 |
| 8013467 | Method and device for optimizing signal power on a wired communications network A method and network device increases the power of the signal transmitted by the device on a wired communications network, such as a powerline communications (PLC) network, without exceeding the maximum allowable common-mode (CM) current specified by regulatory bodi... | 09/06/2011 |
| 8003236 | Method for making a master mold with high bit-aspect-ratio for nanoimprinting patterned magnetic recording disks, master mold made by the method, and disk imprinted by the master mold A method for making a master mold to be used for nanoimprinting patterned-media magnetic recording disks results in a master mold having topographic pillars arranged in a pattern of annular bands of concentric rings. The ratio of circumferential density of the pilla... | 08/23/2011 |
| 8000048 | Magnetic recording disk and disk drive with track identification using phase-type servo patterns A magnetic recording disk drive has a disk with a head positioning servo pattern of multiple circumferentially-spaced chevron patterns of discrete patterned servo islands. The disk drive has servo electronics that decodes the chevron patterns to determine the absolu... | 08/16/2011 |
| 7995307 | Perpendicular magnetic recording write head with trailing shield having throat height defined by electroplated nonmagnetic pad layer and method for making the head A perpendicular magnetic recording write head has a magnetic write pole (WP) and a trailing shield (TS). The TS has a height (TS-HT) and a throat height (TS-TH) in a direction perpendicular to the ABS, with TS-TH being less than TS-HT. Nonmagnetic material is locate... | 08/09/2011 |
| 7986491 | Hard disk drive with disk separator for creating axial gaps between disks for access by read/write heads A hard disk drive (HDD) has a stack of disks mounted on a rotatable spindle with the disks being movable axially, i.e., in a direction parallel to the axis of rotation of the spindle. A disk separator is located inside the spindle and separates axially-adjacent disk... | 07/26/2011 |
| 7986488 | Magnetic recording disk and disk drive with alternating single-polarity position error signal (PES) blocks for read/write head positioning A magnetic recording disk drive has a position-error-signal (PES) servo pattern divided into at least two circumferentially adjacent fields that extend radially across the data tracks and include PES blocks that are DC magnetized in one direction, with each PES bloc... | 07/26/2011 |
| 7982996 | Perpendicular magnetic recording write head and system with improved spin torque oscillator for microwave-assisted magnetic recording A microwave-assisted magnetic recording (MAMR) write head and system has a spin-torque oscillator (STO) located between the write pole of the write head and a trailing shield that alters the write field from the write pole. The STO is a stack of layers whose planes ... | 07/19/2011 |
| 7981533 | Method for making a master disk for nanoimprinting patterned magnetic recording disks and master disk made by the method A method for making a master disk to be used for nanoimprinting patterned-media magnetic recording disks uses sidewall lithography. In one implementation, the master disk substrate has a first pattern of concentric rings formed on it by sidewall lithography, followe... | 07/19/2011 |
| 7976715 | Method using block copolymers for making a master mold with high bit-aspect-ratio for nanoimprinting patterned magnetic recording disks A method for making a master mold that is used in the nanoimprinting process to make patterned-media disks with patterned data islands uses guided self-assembly of a block copolymer into its components. Conventional or e-beam lithography is used to first form a patt... | 07/12/2011 |
| 7960044 | Patterned-media perpendicular magnetic recording disk with servo regions having magnetized servo pillars and oppositely-magnetized servo trenches A patterned perpendicular magnetic recording disk has a pre-patterned disk substrate with pillars and trenches arranged in data regions and servo regions. In the data regions, the height of the data pillars is equal to or greater than the spacing between the data pi... | 06/14/2011 |
