Patent application number | Description | Published |
20100002329 | PLANARIZATION METHODOLOGY FOR TOPOGRAPHICALLY CHALLENGED MEDIA SURFACE - The present invention relates to a device for magnetic recording that includes a storage medium having a media surface. The media surface has a plurality of lands and recesses between the lands. A polymer layer fills the recesses so that the media surface is substantially planar. | 01-07-2010 |
20100118436 | PROTECTIVE COATINGS FOR DATA STORAGE DEVICES - A data storage device comprising a storage medium having a recordable surface, a transducing head having a bearing surface positioned adjacent to the recordable surface of the storage medium, and at least one compound disposed between the recordable surface and the bearing surface, the at least one compound comprising at least one functional group that imparts corrosion resistance and at least one functional group that imparts lubricating properties. | 05-13-2010 |
20100173176 | Recording Media Having a Nanocomposite Protection Layer and Method of Making Same - An apparatus includes a substrate, a recording layer on the substrate, and a nanocomposite layer on the recording layer, the nanocomposite layer including a wear-resistant material and a solid lubricant material, wherein the atomic percentage of the solid lubricant material in the nanocomposite layer is in a range from about 5% to about 99%. A method of making the apparatus is also provided. | 07-08-2010 |
20110117386 | MEDIA LUBRICANT FOR HIGH TEMPERATURE APPLICATION - A lubricant layer for a magnetic recording medium may include a perfluoropolyether having monomer units and end groups selected to provide high thermal stability and good reliability. | 05-19-2011 |
20110205665 | COVALENTLY BOUND MONOLAYER FOR A PROTECTIVE CARBON OVERCOAT - A magnetic data storage medium may include a substrate, a magnetic recording layer, a protective carbon overcoat, and a monolayer covalently bound to carbon atoms adjacent a surface of the protective carbon overcoat. According to this aspect of the disclosure, the monolayer comprises at least one of hydrogen, fluorine, nitrogen, oxygen, and a fluoro-organic molecule. In some embodiments, a surface of a read and recording head may also include a monolayer covalently bound to carbon atoms of a protective carbon overcoat. | 08-25-2011 |
20110217003 | Waveguide For Heat Assisted Magnetic Recording - An apparatus includes a slider mounted on an arm, a first waveguide including a first core guiding layer, a second waveguide mounted on the slider and including a second core guiding layer having a uniform thickness smaller than the thickness of the first core guiding layer, and a coupler for coupling light from the first core guiding layer to the second core guiding layer, wherein the coupler comprises a curved mirror formed in the second waveguide and positioned to reflect light from the first core guiding layer into the second core guiding layer. | 09-08-2011 |
20110262633 | LUBRICANT DEPOSITION ONTO MAGNETIC MEDIA - A method, in one embodiment, can include pumping a gas into a reservoir that includes a lubricant. In addition, the method can include changing the gas into a supercritical fluid that extracts lubricant molecules from the lubricant resulting in a mixture of the supercritical fluid and the lubricant molecules. Furthermore, the method can include utilizing the mixture to deposit a lubricant molecule onto a magnetic media. | 10-27-2011 |
20120003399 | Recording Media Having a Nanocomposite Protection Layer and Method of Making Same - A method includes: forming a recording layer on a substrate and depositing a nanocomposite layer on the recording layer, the nanocomposite layer including a wear-resistant material and a solid lubricant material, wherein the atomic percentage of the solid lubricant material in the nanocomposite layer is in a range from about 5% to about 99%. | 01-05-2012 |
20130337194 | COVALENTLY BOUND MONOLAYER FOR A PROTECTIVE CARBON OVERCOAT - A magnetic data storage medium may include a substrate, a magnetic recording layer, a protective carbon overcoat, and a monolayer covalently bound to carbon atoms adjacent a surface of the protective carbon overcoat. According to this aspect of the disclosure, the monolayer comprises at least one of hydrogen, fluorine, nitrogen, oxygen, and a fluoro-organic molecule. In some embodiments, a surface of a read and recording head may also include a monolayer covalently bound to carbon atoms of a protective carbon overcoat. | 12-19-2013 |
20140334038 | DISK DRIVE READ CIRCUIT COMPRISING AN AC COUPLED SENSE AMPLIFIER FOR AMPLIFYING A READ SIGNAL - A disk drive read circuit is disclosed comprising a read element for generating a read signal, and a sense amplifier comprising an input terminal coupled through a first capacitor to the read element and an output terminal coupled through a second capacitor to a transmission line, wherein the sense amplifier is for amplifying the read signal. | 11-13-2014 |