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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7855001 | Thermoplastic polymer for electrically conductive thermoforming applications This invention relates to a thermoplastic polymer composition that exhibits excellent characteristics for being thermoformed into a wide variety of packaging trays for electronics, including the disk drive and semiconductor industries. More specifically, these trays... | 12/21/2010 |
| 7842408 | Magnetic film, manufacturing method thereof and thin film magnetic head Embodiments of the present invention provide a magnetic disk drive capable of allowing higher data transfer rates and higher recording densities. According to one embodiment, an upper magnetic core and lower magnetic core comprise a multi-layered magnetic film forme... | 11/30/2010 |
| 7754353 | Method and structure for ultra-high density, high data rate ferroelectric storage disk technology using stabilization by a surface conducting layer A method and structure for a ferroelectric storage medium, includes a metallic underlayer and a ferroelectric data layer over the metallic underlayer. A layer over the ferroelectric data layer has a charge migration rate faster than a charge migration rate of the fe... | 07/13/2010 |
| 7638209 | Recording medium An aspect of the present invention provides a recording medium including a matrix material and a magnetic material, wherein the contrast density of the surface is about 0.05 or less. ... | 12/29/2009 |
| 7402350 | Highly tetrahedral amorphous carbon coatings and systems and methods for their production The invention provides systems and methods for the deposition of an improved diamond-like carbon material, particularly for the production of magnetic recording media. The diamond-like carbon material of the present invention is highly tetrahedral, that is, it featu... | 07/22/2008 |
| 7372116 | Heat assisted switching in an MRAM cell utilizing the antiferromagnetic to ferromagnetic transition in FeRh A magnetic memory cell for use in a magnetic random access memory array that uses the antiferromagnetic to ferromagnetic transition properties of FeRh to assist in the control of switching of the memory cell. ... | 05/13/2008 |
| 7369360 | Perpendicular recording head having controlled permeability and saturation moment A method and apparatus having magnetic properties. The apparatus includes a main pole and a return pole spaced apart from the main pole. The return includes at least one multilayer block having a plurality of alternating layers of magnetic material and non-magnetic ... | 05/06/2008 |
| 7338709 | Security yarn and production method therefor According to the present invention, there is provided a security thread whose existence is not clarified, which is prevented beforehand from being removed, which can be attached even to a form of a commodity heretofore regarded as difficult, and whose use purpose ra... | 03/04/2008 |
| 7312940 | Magnetic transfer apparatus A magnetic transfer apparatus is provided with a transfer holder. A master information carrier and a slave medium are accommodated in the transfer holder in an overlapping state where they are opposed to each other and held in close contact with each other. The mast... | 12/25/2007 |
| 7289013 | Bulk amorphous metal inductive device A bulk amorphous metal inductive device includes a magnetic core having at least one low-loss bulk ferromagnetic amorphous metal magnetic component forming a magnetic circuit having an air therein. The component has a plurality of similarly shaped layers of amorphou... | 10/30/2007 |
| 7273667 | Longitudinal multi-layer magnetic recording medium A magnetic recording medium capable of attaining high in-plane recording density of 100 Mbits or more per 1 mm2 is provided. Magnetic recording medium is provided in which underlayers, a first magnetic layer, a first intermediate layer, a second magnetic ... | 09/25/2007 |
| 7259387 | Nonvolatile semiconductor memory device A nonvolatile memory element is formed by layering a lower electrode, a variable resistor and an upper electrode in sequence. The variable resistor is formed in which crystallinity and amorphism are mixed. Thus, the nonvolatile memory element is formed. More prefera... | 08/21/2007 |
| 7239483 | Magnetic disk with specified contact ratio [BH 1.0 nm] and circumferential texturing and magnetic disk apparatus equipped with magnetic disk A texture processing for imparting a magnetic orientation in the circumferential direction is applied to a substrate so as to impart a magnetic anisotropy to the magnetic disk in the circumferential direction. An underlying film, a magnetic recording film, a protect... | 07/03/2007 |
| 7167140 | Coil antenna A coil antenna having a magnetic core and a wire wound around the magnetic core. The magnetic core is flexible and bendable and is made of a mixture including soft magnetic powder and an organic binder agent. The soft magnetic powder comprises a plurality of particl... | 01/23/2007 |
| 7154447 | Nanocrystalline core antenna for EAS and RFID applications A nanocrystalline core antenna for use in electronic article surveillance (EAS) and radio frequency identification (RFID) systems. The nanocrystalline antenna is constructed from nanocrystalline material and exhibits improved detection range in EAS and RFID systems ... | 12/26/2006 |
| 7091858 | Wide exit electronic article surveillance antenna system An electronic article surveillance antenna system for wide exit interrogation zones is provided. In a first aspect, a first and a second transmit antenna, each adapted for installation on opposite sides of a wide interrogation zone. A third transmit antenna is adapt... | 08/15/2006 |
| 6663988 | Magnetic recording medium, production process thereof, magnetic recording and reproducing apparatus, and method for evaluating inclination distribution of crystal planes on the magnetic film surface An object of the present invention is to provide a magnetic recording medium exhibiting excellent noise characteristics. On a substrate, an undercoat film is formed, and a perpendicular magnetic film, in which most of the easy-magnetization axes are orien... | 12/16/2003 |
| 6641891 | Magnetic recording medium Provided is a particulate magnetic recording medium having good processing properties and being inexpensive to produce, similar to prior recording media, wherein by controlling the magnetic clusters that appear due to recording at short wavelengths and th... | 11/04/2003 |
| 6623857 | Nanogranular thin film and magnetic recording media A nanogranular thin film consisting of nonmagnetic matrix and ferromagnetic fine particles in nano scale is improved to enhance the thermal stability and the S/N ratio. The ferromagnetic fine particles consist of (Fea Co1-a)1-x | 09/23/2003 |
| 6617012 | Styrene-acrylonitrile as a resist for making patterned media A system and method for forming servo patterns on magnetic medium is disclosed. A magnetic film coated with a layer of styrene-acrylonitrile is stamped with a nickel stamper reproducing the negative image of the stamper pattern on the styrene-acrylonitril... | 09/09/2003 |
| 6613448 | Magnetoresistance effect film and method of forming same A magnetoresistance effect film includes a substrate, a plurality of ferromagnetic particles disposed on the substrate, a nonmagnetic film deposited on the substrate and covering the plurality of ferromagnetic particles, and a pair of electrodes arranged ... | 09/02/2003 |
| 6613459 | Master magnetic information carrier, fabrication method thereof, and a method for manufacturing a magnetic recording medium A master magnetic information carrier has embedded magnetic films that are free from protrusion and recess. The master disk is fabricated by the steps of laminating Co-based soft magnetic film on a resin base plate, forming isolated magnetic films in pred... | 09/02/2003 |
| 6610425 | Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber A soft magnetic alloy fiber has a width of 10 μm or more to less than 500 μm, a thickness of 2 μm or more to less than 20 μm, and a Curie temperature of -50° C. or higher.... | 08/26/2003 |
| 6610415 | Magnetic or magnetizable composite product and a method for making and using same Thin, flexible composite materials, which are magnetic or magnetizable and processes for producing and using the materials. The composite material contains a laminate formed from a mixture of magnetic or magnetizable particles, binder particles (and optio... | 08/26/2003 |
| 6610404 | High yield stress magnetorheological material for spacecraft applications A magnetorheological fluid (32) having controlled-shaped particles (56,68), such as rod, prism, tetrahedral, and other regularly shaped particles. The regularly shaped particles (56, 68) increase the field yield and responsive to particle interaction forc... | 08/26/2003 |
| 6238811 | Electromagnetic wave generating composite A electromagnetic wave generating composite capable of attaining modification of water and activation of a living thing, being simply inexpensively manufactured irrespective of any form thereof, and being effectively directed to a variety of fields such a... | 05/29/2001 |
| 5492754 | Absorbent composition including a magnetically-responsive material Disclosed is an absorbent composition including a hydrogel-forming polymeric material and a magnetically-responsive material; disposable absorbent products, including the absorbent composition, intended for the absorption of body fluids; and a method for ... | 02/20/1996 |
| 5240768 | Articles containing metal fibers A slurry comprises a ferromagnetic fiber having an aspect ratio of 10 to 10,000 and an organic liquid medium that is unreactive with the metal fibers. The metal fibers are provided by preparing a mixture comprising a thermally unstable metal complex compo... | 08/31/1993 |
| 4731297 | Laminated components of open magnetic circuit type Laminated components of the open magnetic circuit type including, or incorporating, inductors of the same type are manufactured by alternately superposing a plurality of green magnetic layers and a plurality of fragmentary, green conductor strips, each st... | 03/15/1988 |
| 4587699 | Elastic developer carrier An elastic developer carrier for use in a developing device for developing an electrostatic latent image formed on a photosensitive member includes an electrically conductive support, a rubber magnet layer formed on the support and magnetized in a desired... | 05/13/1986 |
| 4536428 | Magnetic display panel A magnetic display panel having a transparent or translucent front substrate and a rear substrate bonded thereto by an adhesive with a dispersing liquid confining space formed between the substrates, preferably in the form of multiple cells. The dispersin... | 08/20/1985 |
| 4523245 | Sliding member A sliding member made with amorphous metallic material on the sliding surface. The sliding member has a small coefficient of friction with magnetic tape by constructing the member in this manner together with high hardness. Accordingly, it can prevent mag... | 06/11/1985 |
