Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8158190 | Low magnetization materials for high performance magnetic memory devices Techniques for attaining high performance magnetic memory devices are provided. In one aspect, a magnetic memory device comprising one or more free magnetic layers is provided. The one or more free magnetic layers comprise a low magnetization material adapted to hav... | 04/17/2012 |
| 8133530 | One magnetic sided media for low cost and low capacity applications One-sided magnetic media for a hard disk drive. Methods are implemented to create a magnetic media with only one surface capable of recording data. The second surface is a non-data recording side of the media and is constructed so that it does not interfere with the... | 03/13/2012 |
| 8021713 | Bit-patterned magnetic media formed in filler layer recesses A recessed field is formed surrounding resist columns that are in a pattern of bit patterned magnetic media. A filler layer is formed in the recessed field. The resist columns are removed to leave recesses in the filler layer that replicate the pattern. Bit patterne... | 09/20/2011 |
| 7910159 | Radial magnetic field reset system for producing single domain soft magnetic underlayer on perpendicular magnetic recording medium A radial magnetic field reset apparatus including a housing having a cavity with a soft magnet rod disposed at its center and a permanent magnet disposed around the cavity. The cavity and thickness of the soft magnet rod are sized to permit a cassette of disks to be... | 03/22/2011 |
| 7910160 | Thin-film magnetic head structure adapted to manufacture a thin-film head having a base magnetic pole part, a york magnetic pole part, and an intervening insulative film A thin-film magnetic head structure has a configuration adapted to manufacture a thin-film magnetic head configured such that a main magnetic pole layer including a magnetic pole end part on a side of a medium-opposing surface opposing a recording medium, a write sh... | 03/22/2011 |
| 7897200 | Ultrathin ferromagnetic/antiferromagnetic coupling film structure and fabrication method thereof The present invention provides a ferromagnetic/antiferromagnetic coupling film structure and a fabrication method thereof. The structure includes an antiferromagnetic layer of cobalt oxide having a thickness of 2 to 15 monolayers and formed on a substrate at a tempe... | 03/01/2011 |
| 7842334 | Magnetic sensor using giant magnetoresistive elements and methods for manufacturing the same A magnetic sensor includes a single substrate, a conventional GMR element formed of a spin-valve film including a single-layer-pinned fixed magnetization layer, and a SAF element formed of a synthetic spin-valve film including a plural-layer-pinned fixed magnetizati... | 11/30/2010 |
| 7838067 | Method for producing single-sided sputtered magnetic recording disks An information-storage media is provided that includes: (a) a substrate disk 312 having first and second opposing surfaces; (b) a first selected layer 304 on the first surface, the first selected laye... | 11/23/2010 |
| 7732005 | Method for producing recording medium, recording medium employing said method, and information recording and reproducing apparatus A method for producing a recording medium provides good throughput for mass production and reduces cost. The method facilitates the control of the shape or dimensions of a pattern obtained by microfabrication, allows an accurate pattern transfer, and provides superi... | 06/08/2010 |
| 7718218 | Thin-film magnetic head, method of manufacturing the same, head Gimbal assembly, and hard disk drive A thin-film magnetic head has a laminated construction comprising a main pole layer having a magnetic pole tip on a side of the medium-opposing surface opposing a recording medium, a write shield layer opposing the magnetic pole tip forming a recording gap layer, on... | 05/18/2010 |
| 7476413 | Low magnetization materials for high performance magnetic memory devices Techniques for attaining high performance magnetic memory devices are provided. In one aspect, a magnetic memory device comprising one or more free magnetic layers is provided. The one or more free magnetic layers comprise a low magnetization material adapted to hav... | 01/13/2009 |
| 7425353 | Enhancement of magnetic media recording performance using ion irradiation to tailor exchange coupling Magnetic medium recording performance can be enhanced by irradiating a magnetic medium with ions having an acceleration voltage of between 10 keV and 100 keV to induce exchange coupling between grains of the magnetic medium. The magnetic medium is exposed to a cumul... | 09/16/2008 |
| 7423939 | Method for manufacturing magneto-optical recording medium A method for manufacturing a magneto-optical recording medium in which reading of recorded information is performed through domain wall displacement in a reproduction layer is provided, in which magnetic separation of groove side-wall portions is performed more reli... | 09/09/2008 |
| 7409759 | Method for making a computer hard drive platen using a nano-plate Provided is a method and system for manufacturing a hard drive platen. The method includes depositing two or more types of film around a central core to form a plurality of film layers, each film layer being of a different type than its adjacent layers. Next, the de... | 08/12/2008 |
| 7407685 | Magnetic recording medium and the method of manufacturing the same A method of manufacturing a magnetic recording media includes a magnetic recording layer of a granular magnetic layer that has ferromagnetic crystal grains and an oxide nonmagnetic grain boundary or a nitride nonmagnetic grain boundary surrounding the ferromagnetic ... | 08/05/2008 |
| 7402349 | Thick film composition yielding magnetic properties The invention is directed to a magnetic thick film composition comprising particles of permanent magnetic materials dispersed in organic medium wherein the medium comprises a polymer selected from polyurethane, phenoxy and mixtures thereof, and organic solvent. ... | 07/22/2008 |
| 7386930 | Method for manufacturing a magnetostrictive torque sensor For forming an annular magnetostrictive coat on an outer peripheral surface of a rotational shaft associated with a magnetostrictive torque sensor, a magnetostrictive coat forming method comprises a step of fitting a cylindrical masking jig over the outer peripheral... | 06/17/2008 |
| 7381450 | Method of manufacturing flexible magnetic tape A method of manufacturing flexible magnetic tape having a permanently structured magnetic characteristic which varies from place to place in two different directions in the plane of the tape, includes:—a) coating a flexible substrate with a slurry having anisotrop... | 06/03/2008 |
| 7371474 | Advanced lubricant for thin film storage medium A magnetic recording medium comprising a lubricant film comprising a photosynthesized lubricant having a single phase composition of at least a lubricant moiety and an additive moiety is disclosed. ... | 05/13/2008 |
| 7372664 | Techniques to reduce adjacent track erasure including a write pole with a tip having faces at angles Techniques for reducing adjacent track erasure include: a bucking coil having a lower number of turns than the write coil for bucking out a portion of the field induced by the write coil; a hybrid solenoid coil that includes turns that are in a pancake arrangement a... | 05/13/2008 |
| 7372666 | Magnetic head with alternately laminated (110)-orientation-inducing non-magnetic underlayers, magnetic layers, and discontinuous insulating layers A magnetic head according to the present invention includes a write magnetic pole on which a magnetic film has been formed, and is characterized by the magnetic film being formed by alternately laminating magnetic layers, which have iron (Fe) and cobalt (Co) as main... | 05/13/2008 |
| 7370410 | Method of manufacturing a device, device, non-contact type card medium, and electronic equipment Wirings 2B1 are formed by application of heat treatment after an ink jet system is used to discharge a conductive liquid L onto a provisional substrate 5 having a predetermined repellent property, bonding an insulating layer 4B1 to... | 05/13/2008 |
| 7368146 | Magneto-optical recording medium, manufacturing method thereof and magneto-optical data recording and playback device A magneto-optical recording medium has a recording layer and a reflective layer on a substrate. The recording layer has a layered structure in which at least one spinel ferrite (or rutile-type oxide or hematite) layer and at least one garnet ferrite layer are piled ... | 05/06/2008 |
| 7365408 | Structure for photolithographic applications using a multi-layer anti-reflection coating A bi-layer anti-reflective coating for use in photolithographic applications, and specifically, for use in ultraviolet photolithographic processes. The bi-layered anti-reflective coating is used to minimize pattern distortion due to reflections from neighboring feat... | 04/29/2008 |
| 7361419 | Substrate for a perpendicular magnetic recording medium, perpendicular magnetic recording medium, and manufacturing methods thereof A substrate for a perpendicular magnetic recording medium has a soft magnetic underlayer that functions as a soft magnetic backing layer of a perpendicular magnetic recording medium. The substrate for a perpendicular magnetic recording medium has a nonmagnetic base ... | 04/22/2008 |
| 7361421 | Lubricant, magnetic recording medium and production method of magnetic recording medium A lubricant is obtained by mixing at least one compound selected from specific fluorine-based diester dicarboxylic acid compounds having has two carboxyl groups, two ester bonds, terminal groups each of which is an alkyl group or an alkenyl group, and one fluoroethe... | 04/22/2008 |
| 7359148 | Thin film magnetic head including NiPRe alloy gap layer It is an object to provide a thin film magnetic head capable of improving characteristics and properties required of a gap layer by, in particular, appropriately controlling the compositional ratio of a NiPRe alloy used as the gap layer. A NiPRe alloy which has exce... | 04/15/2008 |
| 7358722 | Integrated three-dimensional magnetic sensing device and method to fabricate an integrated three-dimensional magnetic sensing device An integrated three-dimensional magnetic or any field sensing device and a method to fabricate an integrated three-dimensional magnetic sensing device is presented. An integrated three-dimensional magnetic sensing device comprises an apparatus that defines at least ... | 04/15/2008 |
| 7354618 | Oxygen plasma post-deposition treatment of magnetic recording media A method of manufacturing magnetic recording media, comprising sequential steps of: (a) providing an apparatus for manufacturing the media; (b) supplying the apparatus with at least one substrate for the media; | 04/08/2008 |
| 7354664 | Magnetically soft, high saturation magnetization laminate of iron-cobalt-nitrogen and iron-nickel for perpendicular media underlayers A magnetic disk has a soft magnetic underlayer comprising a first layer containing NiFe having a concentration of iron that is at least thirty percent and not more than seventy percent; a second layer that adjoins the first layer and contains FeCoN having a concentr... | 04/08/2008 |
| 7354629 | Method of forming a protective film and a magnetic recording medium having a protective film formed by the method A method of forming a protective film that restrains gas adsorption while preserving durability and corrosion resistance of a plasma CVD carbon film is disclosed. A protective film of a slide-resistant member is deposited by means of a plasma CVD method using a raw ... | 04/08/2008 |
| 7338573 | Magnetic substrates with high magnetic loading A method of forming a magnetic assembly having at least one magnetic layer having dimensions of thickness, width and length, and at least one printable substrate layer having dimensions of thickness, width and length, including the steps of providing a molten magnet... | 03/04/2008 |
| 7335393 | Magnetic particle, its production method, magnetic recording medium and its production method The present invention relates to a method of producing a magnetic particle including forming a layer containing an alloy particle that can form CuAu type or Cu3Au type hard magnetic order alloy phase on a support, oxidizing the layer, and annealing the la... | 02/26/2008 |
| 7332099 | Ion bombardment of electrical lapping guides to decrease noise during lapping process A method for reducing noise in a lapping guide. Selected portions of a magnetoresistive device wafer are bombarded with ions such that a magnetoresistive effect of lapping guides is reduced. The device is lapped, using the lapping guides to measure an extent of the ... | 02/19/2008 |
| 7333304 | CPP sensor having hard bias stabilization placed at back edge of the stripe A current perpendicular to plane (CPP) having hard magnetic bias layers located at the back of the sensor, opposite the air bearing surface. The bias layer is magnetostatically coupled with the free layer to bias the free layer in a desired direction parallel with t... | 02/19/2008 |
| 7326436 | Magnetic recording medium and method of fabricating the same The present invention is to provide a method of fabricating a magnetic recording medium capable of forming a protective layer with a stable performance even in a case where a thickness thereof is as thin as 100 nm or less, and a magnetic recording medium fabricated ... | 02/05/2008 |
| 7324305 | Magnetic recording medium including a magnetic layer with first magnetic particles and a protective layer with second magnetic particles The present invention enables a substantial decrease of the magnetic spacing while maintaining the flying height of the transducer and the structure of the protective layers for a magnetic recording device. A magnetic layer containing first magnetic particles is for... | 01/29/2008 |
| 7323214 | Composite magnetic material electromagnetic wave absorbing sheet method for manufacturing sheet-like product and method for manufacturing electromagnetic wave absorbing sheet The object of the present invention is to provide an electromagnetic wave absorbing sheet excellent in permeability in high frequencies and to provide a method for manufacturing the same. The electromagnetic wave absorbing sheet of the present invention compr... | 01/29/2008 |
| 7324311 | Rie defined CPP read heads A magnetoresistive sensor having a trackwidth defined by AFM biasing layers disposed beneath a free layer of the sensor. The present invention provides a current in plane magnetoresistive sensor that includes a non-magnetic, electrically conductive layer in a trackw... | 01/29/2008 |
| 7318947 | Method and apparatus for controlling magnetostriction in a spin valve sensor A method and system for providing a magnetic element are described. The method and system include providing a pinned layer, fabricating a metallic spacer layer and oxidizing a portion of the spacer layer in an environment including at least oxygen and a gas inert wi... | 01/15/2008 |
