Patent classifications
G11B5/7368
MAGNETIC RECORDING DEVICE WITH GRAPHENE OVERCOAT AND FABRICATION METHOD THEREOF
A magnetic recording device includes a substrate, an intermediate layer disposed on the substrate, a magnetic recording layer disposed on the intermediate layer, and a graphene overcoat disposed on the magnetic recording layer. The graphene overcoat includes at least one layer of a graphene monoatomic layer which is a sheet-like monoatomic layer of sp2 bonded carbon atoms. A transition layer is interposed between the graphene overcoat and the magnetic recording layer. The transition layer includes carbon and at least one metal of the magnetic recording layer.
Magnetic stack including MgO—Ti(ON) interlayer
A stack includes a substrate and a magnetic recording layer. Disposed between the substrate and magnetic recording layer is an MgOTi(ON) layer.
PROTECTIVE LAYER FOR MITIGATING PROTRUDING DEFECTS IN MAGNETIC TAPE RECORDING MEDIA
A magnetic recording medium according to one embodiment includes an underlayer and a magnetic layer above the underlayer. The magnetic layer includes a first magnetic material and particulates. A solid protective layer is positioned above the magnetic layer, the protective layer including a second material. At least some of the particulates of the magnetic layer protrude completely through the protective layer. A method for forming a magnetic recording medium according to one embodiment includes forming a magnetic layer above a substrate, the magnetic layer including a first magnetic material and particulates, and forming a solid protective layer above the magnetic layer to a thickness whereby some of the particulates protrude through the protective layer and are exposed along an upper surface of the protective layer.
PROTECTIVE LAYER FOR MITIGATING PROTRUDING DEFECTS IN MAGNETIC TAPE RECORDING MEDIA
A method for forming a magnetic recording medium according to one embodiment includes forming a magnetic layer above an underlayer. The magnetic layer includes a first magnetic material and particulates. A protective layer is formed above the magnetic layer, the protective layer including a second material. A method for forming a magnetic recording medium according to another embodiment includes forming a first nonmagnetic layer above a base film. The first nonmagnetic layer has first nonmagnetic particles. A second nonmagnetic layer is formed above the first nonmagnetic layer, the second nonmagnetic layer having second nonmagnetic particles. A magnetic layer is formed above the second nonmagnetic layer, the magnetic layer including a magnetic material.
PROTECTIVE LAYER FOR MITIGATING PROTRUDING DEFECTS IN MAGNETIC TAPE RECORDING MEDIA
A magnetic recording medium according to one embodiment includes a base film and a first nonmagnetic layer above the base film. The first nonmagnetic layer has first nonmagnetic particles. A second nonmagnetic layer is positioned above the first nonmagnetic layer, the second nonmagnetic layer having second nonmagnetic particles. A magnetic layer is positioned above the second nonmagnetic layer, the magnetic layer including a magnetic material.
Protective layer for mitigating protruding defects in magnetic tape recording media
A magnetic recording medium according to one embodiment includes an underlayer and a magnetic layer above the underlayer. The magnetic layer includes a first magnetic material and particulates. A protective layer is positioned above the magnetic layer, the protective layer including a second material. A magnetic recording medium according to another embodiment includes a base film and a first nonmagnetic layer above the base film. The first nonmagnetic layer has first nonmagnetic particles. A second nonmagnetic layer is positioned above the first nonmagnetic layer, the second nonmagnetic layer having second nonmagnetic particles. A magnetic layer is positioned above the second nonmagnetic layer, the magnetic layer including a magnetic material.
MAMR WRITE HEAD WITH THERMAL DISSIPATION CONDUCTIVE GUIDE
The present disclosure generally relates to data storage devices, and more specifically, to a magnetic media drive employing a magnetic recording head. The head includes a trailing shield, a main pole, a MAMR stack disposed between the trailing shield and the main pole, side shields surrounding at least a portion of the main pole, and a structure disposed between the side shields and the main pole at a media facing surface (WS). The structure is fabricated from a material that is thermally conductive and electrically insulating/dissipative. The material has a thermal conductivity of at least 50 W/(m*K) and an electrical resistivity of at least 10.sup.5 *m. The structure helps dissipate joule heating generated from either the main pole or the MAMR stack into surrounding area without electrical shunting, leading to reduced heating or break-down induced failures.
Assisted magnetic recording medium including a pinning layer and magnetic storage device
The invention provides a magnetic recording medium with an excellent signal-to-noise ratio during reading by reducing the noise produced during writing of data onto the magnetic recording medium, and increasing the signal level. The assisted magnetic recording medium according to one embodiment comprising a substrate, a base layer, and a magnetic layer composed mainly of an alloy with an L1.sub.0-type crystal structure, the assisted magnetic recording medium having a pinning layer in contact with the magnetic layer, and the pinning layer including Co or an alloy composed mainly of Co.
MAGNETIC RECORDING MEDIUM, LAMINATE, AND FLEXIBLE DEVICE
A magnetic recording medium according to a first technique includes an elongated substrate having a first surface and a second surface, a first reinforcing layer disposed on the first surface, a second reinforcing layer disposed on the second surface, an adhesion suppressing layer disposed on the second reinforcing layer, and a recording layer disposed on the first reinforcing layer or the adhesion suppressing layer.
PERPENDICULAR RECORDING MEDIA WITH CARBON GRAIN ISOLATION INITIATION LAYER
Perpendicular magnetic recording media including a carbon grain isolation initiation layer for reducing intergranular exchange coupling in the recording layer are provided. In one such case, the media includes a substrate, a plurality of underlayers on the substrate, a grain isolation initiation layer (GIIL) on the plurality of underlayers, the GIIL including C, a metal, and an oxide, and a magnetic recording layer directly on the GIIL and including a non-ordered structure. In another case, a method of fabricating such magnetic media is provided.