Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8116035 | Magnetic recording medium having a secondary recording layer made of a material having a negative crystal magnetic anisotropy and magnetic recording and reproducing apparatus The invention provides a magnetic recording medium, and a magnetic recording and reproducing apparatus. The magnetic recording medium includes a substrate 11, an under layer 12 formed on the substrate 11, a magnetic recording layer 13 for... | 02/14/2012 |
| 8018681 | Storage device having multiple tracks formed between under layer trenches A method for fabricating a patterned recording medium includes providing a workpiece with a non-magnetic substrate and at least one overlying magnetic layer, laminating a thermal insulation barrier partially in a soft under layer of one of the at least one magnetic ... | 09/13/2011 |
| 8018682 | Magnetic disk comprising an aluminum alloy oxynitride underlayer and a diamond-like carbon overcoat A magnetic disk is protected by a bilayer. The bilayer is formed as an adhesion enhancing underlayer and a protective diamond-like carbon (DLC) overlayer. The underlayer is formed of an aluminum or alloyed aluminum oxynitride, having the general formula AlOx | 09/13/2011 |
| 7965470 | Information storage device using movement of magnetic domain wall, and methods of manufacturing and operating the information storage device Provided are an information storage device using movement of a magnetic domain wall, and methods of manufacturing and operating the information storage device. The information storage device includes a storage track having magnetic domains and a writer for recording... | 06/21/2011 |
| 7796362 | Medium having recording layer having pattern structure of magnetic material and non magnetic material having larger Young's modulus The present invention provides a highly reliable patterned medium without generating an error in recording and reproduction, and a magnetic disc memory device using the same. The patterned medium has a substrate, a soft magnetic layer, a non-magnetic layer, an inter... | 09/14/2010 |
| 7667929 | Apparatus, method and system for fabricating a patterned media imprint master An apparatus, system, and method are disclosed for fabricating a patterned media imprint master. A substrate and a deposition mask may be fixably attached by an intervening spacing element, such that the substrate and deposition mask act as a unified element during ... | 02/23/2010 |
| 7663840 | Storage apparatus having a recording medium with a thermal insulation barrier A method for fabricating a patterned recording medium includes providing a workpiece with a non-magnetic substrate and at least one overlying magnetic layer, laminating a thermal insulation barrier partially in a soft under layer of one of the at least one magnetic ... | 02/16/2010 |
| 7532436 | Magnetic recording medium and magnetic memory device for high density recording A longitudinal magnetic recording medium having a high medium S/N, with no problems in view of the overwrite characteristic, excellent in the bit error rate and sufficiently stable also to thermal fluctuations is provided. In one embodiment, a first underlayer, seco... | 05/12/2009 |
| 7529065 | Laminated magnetic thin films with weak antiferromagnetic coupling for perpendicular magnetic recording The invention uses an upper and lower magnetic layer of a laminated magnetic layer structure that includes an AF spacer layer that results in weak antiferromagnetic coupling of the magnetic layers that is insufficient to cause either of the layers to switch so that ... | 05/05/2009 |
| 7518827 | Laser assisted track width definition and radial control with magnetic recording The present invention provides for the enhancement of the storage capacity of a data disk drive while reducing optical path optics, electronics and/or the mass and complexity of associated read/write heads. The system utilizes light transmitted by optical elements t... | 04/14/2009 |
| 7515383 | Magnetic recording medium Provided is a magnetic recording medium exhibiting good electromagnetic characteristics in high-density recording The magnetic recording medium employed for magnetically recording signals with a track width equal to or less than 2.0 μm and reproducing the magnetica... | 04/07/2009 |
| 7427446 | Magnetic recording medium with antiparallel magnetic layers and CrN based underlayer, magnetic storage apparatus and method of producing magnetic recording medium A magnetic recording medium including a substrate, a first underlayer provided on the substrate, a first magnetic layer provided on the first underlayer, a nonmagnetic coupling layer provided on the first magnetic layer, and a second magnetic layer provided on the n... | 09/23/2008 |
| 7426093 | Magnetic media having a non timing based servo track written with a patterned magnetic recording head and process for making the same A magnetic media having servo track written with a thin film magnetic recording head utilizing a servo pattern fabricated using a focused ion beam (FIB). The recording head is fabricated by sputtering a magnetically permeable thin film onto a substrate. A gap patter... | 09/16/2008 |
| 7425377 | Incoherently-reversing magnetic laminate with exchange coupled ferromagnetic layers A laminate structure is disclosed comprising multiple ferromagnetic layers achieving incoherent reversal while maintaining good SNR. A high magnetic moment density, low anisotropy field material may form a thin overlayer deposited over a high-anisotropy media layer.... | 09/16/2008 |
| 7422808 | Vertical magnetic recording medium, magnetic recording apparatus and manufacturing method of a vertical magnetic recording medium A vertical magnetic recording medium includes a substrate, a soft magnetic backing layer formed on the substrate, a magnetic flux confinement layer formed on the soft magnetic backing layer, an intermediate layer formed on the magnetic flux confinement layer, and a ... | 09/09/2008 |
| 7416794 | Magnetic recording medium, method for manufacturing recording medium and magnetic recording apparatus A magnetic recording layer is formed on an under-layer comprising a Cu crystalline grain layer and a deposited nitrogen atom layer on the Cu crystalline grain layer surface. Then the magnetic recording layer comprising very small average grain diameter and sharp gra... | 08/26/2008 |
| 7410708 | Magnetic reproducing method and magnetic recording medium A method for reproducing information recorded on a magnetic recording medium comprising, in the following order, a non-magnetic flexible support, a non-magnetic lower layer containing non-magnetic powder and a binder, and a magnetic layer containing ferromagnetic po... | 08/12/2008 |
| 7391592 | Magnetic recording medium including a diamond-like carbon protective film and at least two additional elements A magnetic recording medium having a diamond-like carbon (DLC) film added therein a Group IV element of the periodic table such as silicon, particularly in the vicinity of the boundary between the magnetic material and the formed DLC film. Since a DLC having low fri... | 06/24/2008 |
| 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 |
| 7341765 | Metallic coatings on silicon substrates, and methods of forming metallic coatings on silicon substrates The invention includes methods of forming a metallic coating on a substrate which contains silicon. A metallic glass layer is formed over a silicon surface of the substrate. The invention includes methods of protecting a silicon substrate. The substrate is provided ... | 03/11/2008 |
| 7339764 | Method of designing patterned magnetic recording medium and patterned magnetic recording medium A method of designing a patterned magnetic recording medium including a magnetic film with perpendicular magnetic anisotropy which is patterned into dots form includes steps of setting values to dot pattern periods Px and Py, a thickness “tâ€... | 03/04/2008 |
| 7300306 | Data storage device with self-mating host connector that is insertable into a receptacle formed in a housing of the device The invention is directed to a data storage device that includes a host connector to facilitate attachment to a host computer so that the host computer can access one or more storage elements within the device. The data storage device includes a flexible member to m... | 11/27/2007 |
| 7298588 | Magnetic recording media using directly textured glass A magnetic recording medium deposited on glass and having an orientation ratio greater than one is disclosed. The magnetic recording medium includes a CoW seedlayer deposited on a circumferentially textured glass substrate. The magnetic recording medium with such a ... | 11/20/2007 |
| 7295404 | Magnetic recording medium for perpendicular recording and magnetic storage apparatus using the same A perpendicular magnetic recording medium at least comprises a perpendicular magnetic recording layer and a backing layer backing the perpendicular magnetic recording layer. The backing layer has an in-plane magnetization and is formed of a ferrimagnetic material ha... | 11/13/2007 |
| 7290709 | Information card system A data distribution system (10) including an information card (12) to work with a reader (14, 72). The information card (12) includes visible indicia (20) on its front, stripe zones (34) and a ring zone (36) nominally... | 11/06/2007 |
| 7289298 | Perpendicular magnetic recording medium, method for manufacturing the same, and magnetic recording/reproducing apparatus Disclosed is a magnetic recording medium which includes a substrate, an underlayer, and a perpendicular magnetic recording layer, and in which this perpendicular magnetic recording layer contains magnetic crystal grains and a matrix surrounding the magnetic crystal ... | 10/30/2007 |
| 7283320 | Magnetic recording medium including servo and data bands in the magnetic layer A magnetic recording medium having a magnetic layer containing magnetic powder provided on a support is disclosed. The magnetic layer possesses a servo band in which a servo signal for controlling tracking of a magnetic head, and a data band on which a data is recor... | 10/16/2007 |
| 7271984 | Magnetic recording medium having at least two coupled magnetic layers, magnetic storage apparatus and recording method A magnetic recording medium is provided with a first magnetic layer, a nonmagnetic coupling layer provided on the first magnetic layer, and a second magnetic layer provided on the nonmagnetic coupling layer. The first and second magnetic layers are exchange-coupled,... | 09/18/2007 |
| 7259373 | Apparatus and method for controlled particle beam manufacturing A chamber for exposing a workpiece to charged particles includes a charged particle source for generating a stream of charged particles, a collimator configured to collimate and direct the stream of charged particles from the charged particle source along an axis, a... | 08/21/2007 |
| 7236327 | Information storage medium and apparatus adopting the same An information storage medium and an apparatus adopting the information storage medium. The information storage medium includes: a substrate; a lower magnetic layer formed on the substrate; and an upper magnetic layer, the upper magnetic layer includes an alumina la... | 06/26/2007 |
| 7230795 | Recording medium having reduced surface roughness Provided are a manufacturing method for a magnetic recording medium enabling efficient and reliable manufacturing of a magnetic recording medium with minimal surface roughness and good precision in recording and reading information, and a magnetic recording medium w... | 06/12/2007 |
| 7227717 | Asymmetric disk surface properties in one head disk drives A disk drive for storing data includes a drive housing and an asymmetrical storage disk. The storage disk includes a body region, a first side region, and an opposed second side region. The side regions are asymmetrical relative to the body region. Various structure... | 06/05/2007 |
| 7218476 | Magnetic media having a servo track written with a patterned magnetic recording head A thin film magnetic recording head utilizing a timing based servo pattern is fabricated using a focused ion beam (FIB). The recording head is fabricated by sputtering a magnetically permeable thin film onto a substrate. A gap pattern, preferably a timing based patt... | 05/15/2007 |
| 7213749 | Interactive multimedia smart affinity card A multimedia card, including, a multimedia portion, a multimedia card holder portion, and a multimedia cover portion, and wherein the multimedia cover portion and the multimedia card holder portion releasably cover the multimedia card portion in between the multimed... | 05/08/2007 |
| 7207100 | Method of manufacturing a magnetic head A method of manufacturing a magnetic head manufactures a magnetic head having a base, and a laminate stacked on the base and including a magneto-resistive device. The method mechanically polishes a surface of a structure including the base and the laminate close to ... | 04/24/2007 |
| 7169489 | Hydrogen storage, distribution, and recovery system Cassette based systems and methods of hydrogen storage, distribution, and recovery are disclosed. A cassette or other container may contain a hydrogen storage or storing material. Information may be stored in the material and subsequently read or accessed. A probe m... | 01/30/2007 |
| 7157161 | CrB and CrMoB as third underlayer to refine grains The Hr and SNR of a magnetic recording medium are increased and the signal pulse narrowed by employing a tri-layer underlayer structure containing Cr or a Cr alloy wherein the second underlayer contains Cr and B, the first underlayer preferably contains substantiall... | 01/02/2007 |
| 7158346 | Heat assisted magnetic recording film including superparamagnetic nanoparticles dispersed in an antiferromagnetic or ferrimagnetic matrix Heat assisted magnetic recording systems with composite recording films are disclosed. The magnetic recording films include superparamagnetic nanoparticles dispersed in an antiferromagnetic or ferrimagnetic matrix. The matrix provides antiferromagnetic coupling with... | 01/02/2007 |
| 7116532 | Stability-enhancing underlayer for exchange-coupled magnetic structures, magnetoresistive sensors, and magnetic disk drive systems An exchange-coupled magnetic structure includes a ferromagnetic layer, a coercive ferrite layer, such as cobalt-ferrite, for biasing the magnetization of the ferromagnetic layer, and an oxide underlayer, such as cobalt-oxide, in proximity to the coercive ferrite lay... | 10/03/2006 |
| 7113360 | Manufacture of concentric patterns from spiral source The manufacture of magnetic disks for disk drives requires formation or servo tracks in a concentric pattern on the disk. Certain types of beam apparatuses for forming feature patterns on a disk shaped substrate, such as might be used in hard disk manufacture, howev... | 09/26/2006 |
