Class 428/836 - Single magnetic layer

Subclass of Class 428 - Stock material or miscellaneous articles
Definition: Subject matter in which the medium has only a single
No. of patents: 40
Last issue date: 09/20/2011

Number	Title	Issue Date
8021771	Composite heat assisted magnetic recording media with temperature tuned intergranular exchange A thin film structure including a plurality of grains of a first magnetic material having a first Curie temperature embedded in a matrix of a second material having a second Curie temperature, wherein the second Curie temperature is lower than the first Curie temper...	09/20/2011
7927725	Magnetic recording medium, production method thereof and magnetic disc apparatus A magnetic recording medium for use in digital magnetic recording, which comprises a nonmagnetic substrate having deposited thereon a magnetic layer, wherein with respect to the in-plane direction, the magnetic recording layer comprises a plurality of ferromagnetic ...	04/19/2011
7901804	Ferroelectric media manufacturing method thereof and information storage device using the same A ferroelectric medium, a manufacturing method thereof and an information storage device are disclosed. The manufacturing method includes the steps of: forming an electrode layer on a substrate; forming an insulation layer on the electrode; and forming on the insula...	03/08/2011
7862917	Thermally stable perpendicular magnetic recording medium Provided is a thermally stable perpendicular magnetic recording medium. The provided perpendicular magnetic recording medium includes a perpendicular magnetic recording layer between a lower layer and an upper layer, wherein a thickness of the perpendicular magnetic...	01/04/2011
7799447	Perpendicular magnetic recording medium having grain boundary layer containing ferromagnetic element Embodiments of the invention ensure that a perpendicular magnetic recording medium having a granular magnetic recording layer made of CoCrPt alloy and Si oxide provides both high SNR and thermal stability. In one embodiment, a substantially amorphous grain boundary ...	09/21/2010
7736769	Magnetic recording medium, method of producing the same, and magnetic storage apparatus A magnetic recording medium including a substrate having a surface, an orientation control layer disposed above the surface of the substrate, an underlayer disposed above the orientation control layer, and a recording layer having an hcp crystal structure and dispos...	06/15/2010
7655329	Patterned magnetic recording media, stamper for manufacture of patterned magnetic recording media, method of manufacturing patterned magnetic recording media, and magnetic recording/reproduction apparatus According to one embodiment, a patterned magnetic recording media has a magnetic recording layer and a protective layer formed on a substrate, in which the magnetic recording layer including a magnetic material patterned in tracks and a nonmagnetic material filled i...	02/02/2010
7579095	Differentially oriented patterned magnetic media A structure has a substrate and a layer containing a magnetic material dispersed in a nonmagnetic material, the magnetic material being comprised of first crystal particles having an easy magnetization axis crytsllographically oriented in the direction of the normal...	08/25/2009
7563521	Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof An information recording medium comprises a substrate, a second recording layer, a second light transmitting layer, a first recording layer for recording different information from that to be recorded in the second recording layer, and a first light transmitting lay...	07/21/2009
7544428	Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof An information recording medium comprises a substrate, a second recording layer, a second light transmitting layer, a first recording layer for recording different information from that to be recorded in the second recording layer, and a first light transmitting lay...	06/09/2009
7482070	Magnetic recording medium A magnetic recording medium having high reliability is provided, in which concave portions between recording elements formed as convex portions of a concavo-convex pattern are approximately completely filled with a non-magnetic material. The magnetic recording mediu...	01/27/2009
7468214	Tilted magnetic recording media A tilted magnetic recording medium comprises a layer of magnetic material having a magnetic easy axis defined by tilted alignment of a particular crystalline phase of the magnetic material. A film of (101) and (011) textured L10 phase of a tetragon...	12/23/2008
7449256	Method and system for magnetic recording using self-organized magnetic nanoparticles A method and system for magnetic recording using self-organized magnetic nanoparticles is disclosed. The method may include depositing surfactant coated nanoparticles on a substrate, wherein the surfactant coated nanoparticles represent first bits of recorded inform...	11/11/2008
7413819	Magnetic recording medium A magnetic recording medium is provided, which has a recording layer formed in a concavo-convex pattern and makes it possible to obtain the stable flying characteristics of a head. In the magnetic recording medium, concave portions between recording elements are fil...	08/19/2008
7368186	Master carrier for magnetic transfer The master carrier for magnetic transfer of the invention comprises a support and a magnetic layer formed on the surface of the support, wherein an uneven transfer pattern that corresponds to the information to be transferred to a magnetic recording medium is formed...	05/06/2008
7367119	Method for forming a reinforced tip for a probe storage device Systems and methods in accordance with the present invention can include a tip contactable with a media. In an embodiment, the tip comprises a substantially hollow structure formed of a metal. The tip can be formed by depositing a first metal layer over silicon ther...	05/06/2008
7369336	Master carrier for magnetic transfer A master carrier for magnetic transfer having a data region and a servo pattern region that has a pattern of fine projections arrayed in the track direction thereof in accordance with the preformat signal information to be transferred onto an in-plane magnetic recor...	05/06/2008
7336524	Atomic probes and media for high density data storage A device in accordance with embodiments of the present invention comprises a contact probe for high density data storage reading, writing, erasing, or rewriting. In one embodiment, the contact probe can include a silicon core having a conductive coating. Contact pro...	02/26/2008
7309630	Method for forming patterned media for a high density data storage device Systems in accordance with the present invention can include a tip contactable with a media, the media including a substrate and a plurality of cells disposed over the substrate, one or more of the cells being electrically isolated from the other of the cells by a m...	12/18/2007
7309515	Method for fabricating an imprint mold structure The present invention is related to a method for fabricating an imprint mold which can be used in the field of nano-imprint lithography. Firstly, a diamond film and a photoresist film are successively formed onto a substrate; wherein the photoresist film is more cap...	12/18/2007
7298569	Magnetic recording medium and magnetic recording device using the same A magnetic recording medium includes: an underlayer constituted of at least a substrate and a nonmagnetic metal element; and an amorphous magnetic layer, made of amorphous magnetic material, which magnetically records information. In certain example embodiments, the...	11/20/2007
7267896	Magnetic tape and magnetic tape cartridge A magnetic recording medium comprising a non-magnetic support; at least one lower magnetic layer containing magnetic powder and a binder resin, which is formed on one side of the non-magnetic support with or without a non-magnetic primer layer interposed between the...	09/11/2007
7258935	Magnetic recording medium A magnetic recording medium having a magnetic layer with a single-layered structure applicable to a linear system is provided. The magnetic recording medium includes an elongated nonmagnetic support and a single-layered magnetic layer having an orthorhombic structur...	08/21/2007
7238439	Magnetic recording medium containing particles with a core containing a FeNphase A magnetic recording medium comprising a nonmagnetic support and a magnetic layer formed on the support and containing a magnetic powder and a binder, wherein said magnetic powder comprises substantially spherical or ellipsoidal particles and at least one element se...	07/03/2007
7232621	Method of patterning magnetic products using chemical reaction A method of patterning magnetic material includes forming a ferromagnetic material layer containing one element selected from the group consisting of Fe, Co and Ni on a substrate, selectively masking a surface of the ferromagnetic material layer, and making nonferro...	06/19/2007
7218465	Magnetic media patterning via contact printing utilizing stamper having magnetic pattern formed in non-magnetic substrate A stamper/imprinter for use in forming a magnetic transition pattern in a magnetic material by means of contact printing, comprising: (a) a non-magnetic substrate having a major surface comprising a patterned plurality of spaced-apart recesses with a plurality of no...	05/15/2007
7199953	Magnetic transfer master medium, magnetic transfer method, and magnetic transfer master medium forming method A favorable magnetic transfer is performed to a perpendicular magnetic recording medium. A master medium is provided with a substrate on the surface of which protrusion portions, which form a pattern corresponding to the data that is to be transferred, having a plia...	04/03/2007
7157162	Magnetic recording medium and magnetic recording and reproducing apparatus A magnetic recording medium having a substrate, an under-layer formed on the substrate, a magnetic layer formed on the substrate and a protective layer formed on the magnetic layer. The magnetic layer comprises Co, Cr and Pt with a thickness being from 10 nm to 22 n...	01/02/2007
7153597	Magnetic recording media having chemically modified patterned substrate to assemble self organized magnetic arrays A data storage medium is provided according to the present invention for magnetic recording. The data storage medium includes a substrate having a locking pattern etched therein defining patterned regions. The patterned regions are chemically modified by depositing ...	12/26/2006
7147790	Perpendicular magnetic discrete track recording disk A method of forming a discrete track recording pattern on a soft magnetic underlayer of a perpendicular magnetic recording disk. In one embodiment, the soft magnetic underlayer is continuous throughout the discrete track recording pattern. ...	12/12/2006
7126885	Apparatus for patterning recording media A method for patterning a recording medium selectively thermally couples a recording medium and a heat source to alter a chemical composition of the recording medium. An apparatus for patterning a recording medium has a heat source for generating and directing an in...	10/24/2006
7095589	Magnetic recording medium and magnetic recording and reproducing system A disc-shaped magnetic recording medium has magnetic tracks that are arranged thereon substantially concentrically for writing and reading magnetic information. Assuming that a saturation magnetic field in a width direction extending in a radial direction from the c...	08/22/2006
7067207	Magnetic recording medium having a patterned soft magnetic layer A magnetic recording medium includes a non-magnetic substrate; a soft magnetic layer which is formed on the non-magnetic substrate and which includes projected parts arranged on the surface thereof and recessed parts surrounding each of the projected part; and a fer...	06/27/2006
7041394	Magnetic recording media having self organized magnetic arrays A magnetic recording disc is provided according to the present invention for magnetic recording. The magnetic recording disc includes a disc substrate having a locking pattern etched therein. Chemically synthesized iron-platinum particles are provided in the locking...	05/09/2006
7029773	Method and system for magnetic recording using self-organized magnetic nanoparticles A method and system for magnetic recording using self-organized magnetic nanoparticles is disclosed. The method may include depositing surfactant coated nanoparticles on a substrate, wherein the surfactant coated nanoparticles represent first bits of recorded inform...	04/18/2006
6982127	Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof An information recording medium comprises a substrate, a second recording layer, a second light transmitting layer, a first recording layer for recording different information from that to be recorded in the second recording layer, and a first light transmitting lay...	01/03/2006
6670056	Perpendicular magnetic recording medium and magnetic read/write apparatus Disclosed is a perpendicular magnetic recording medium having magnetic characteristics by which an anisotropic magnetic field Hk and a saturation magnetization Ms satisfy the requirement 2	12/30/2003
6660375	Low temperature chemical vapor deposition of thin film magnets A thin-film magnet formed from a gas-phase reaction of tetracyanoetheylene (TCNE) OR (TCNQ), 7,7,8,8-tetracyano-P-quinodimethane, and a vanadium-containing compound such as vanadium hexcarbonyl (V(CO)6) and bis(benzene)vanalium (V(C6...	12/09/2003
6652953	Magnetic recording medium A magnetic recording medium includes a support, and a single magnetic layer having a thickness of 0.3 μm or less, which contains nonmagnetic particles. In the magnetic medium, the thickness of the single magnetic layer is equal to or larger than an avera...	11/25/2003
4849250	Method and apparatus for producing magnetically oriented films on substrates A method and apparatus is disclosed for permitting a plurality of substrates to be positioned within a magnetic field unique to each substrate so that the plurality of substrates may be placed in a vacuum chamber and concurrently coated with a thin film. ...	07/18/1989

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Class 428/836 - Single magnetic layer