Matches 1 - 50 out of 249 1 2 3 4 5 >


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US20110143165 LUBRICANT AND MAGNETIC DISK  
A lubricant containing a compound of the formula (I) wherein n is substantially 2, 3 or 4, R is C1-4 fluoroalkyl and Rf is —CF2O(CF2CF2O)x(CF2O)yCF2— or —CF2CF2O(CF2CF2CF2O)zCF2CF2— in which x, y...
US20120315504 FLUOROPOLYETHER COMPOUND, LUBRICANT AND MAGNETIC DISK EACH CONTAINING THE SAME  
A compound of the formula (1), lubricant containing the compound and magnetic disk C6H4—(O—Z—R—X)2 (1) wherein Z is —CH2CH2O— or —CH2CH(OH)CH2O—, R is —CH2CF2CF2CF2O(CF2CF2CF2CF2O)nCF2CF2CF2CH2—,...
US20130095349 READER STOP-LAYERS  
Tolerances for manufacturing reader structures for transducer heads continue to grow smaller and storage density in corresponding storage media increases. Reader stop layers may be utilized during...
US20110064969 Magnetic Element Having Perpendicular Anisotropy With Enhanced Efficiency  
Techniques and magnetic devices associated with a magnetic element that includes a fixed layer having a fixed layer magnetization and perpendicular anisotropy, a nonmagnetic spacer layer, and a...
US20150036240 HARD DISK DOUBLE LUBRICATION LAYER  
Systems and methods are illustrated for manufacturing hard disks with double lubrication layers that allow minimization of a HDD head DFH touchdown point while maintaining good tribology...
US20120052327 COMPOSITE SOFT UNDERLAYER INCLUDING NEGATIVE ANISOTROPY MATERIAL  
An apparatus may include a composite soft underlayer and a perpendicular magnetic recording layer overlying the composite soft underlayer. The composite soft underlayer may include a growth...
US20100055500 OXIDE FINE PARTICLE POWDER AND PROCESS FOR ITS PRODUCTION, AND MAGNETIC RECORDING MEDIUM  
The invention provides a process for production of an oxide fine particle powder including a heating step in which a dry powder of a metal complex gel is heat treated to obtain an oxide fine...
US20120196152 METHOD OF BONDING CONDUCTIVE MATERIAL TO STAINLESS STEEL, AND HDD MAGNETIC HEAD SUSPENSION  
A method of bonding a conductive material to stainless steel includes: a first step of applying a conductive paste to a surface of a base plate made of the stainless steel; and a second step of...
US20080268288 Spinodally Patterned Nanostructures  
Devices based on spinodally decomposed periodic structures and their fabrication techniques.
US20100009216 PERFLUOROPOLYETHER LUBRICANT THIN FILM FOR THIN FILM STORAGE MEDIUM  
The invention relates to a magnetic recording medium having a solid lubricant film layer which is deposited by plasma-enhanced chemical vapor deposition. The solid lubricant film comprises a...
US20100309580 Perpendicular Magnetic Recording Medium Having FCC Seed Layers  
According to one embodiment, a perpendicular magnetic recording medium includes at least one soft magnetic underlayer above a substrate, a seed layer above the at least one soft magnetic...
US20100015471 BIT-PATTERNED MAGNETIC MEDIA FORMED IN FILLER LAYER RECESSES  
A recessed field is formed surrounding resist columns that are in a pattern of bit patterned magnetic media. A filler layer is formed in the recessed field. The resist columns are removed to leave...
US20140065443 CYCLOPHOSPHAZENE COMPOUND, LUBRICANT CONTAINING SAME, AND MAGNETIC DISK  
A compound of the formula (1), lubricant containing the compound and magnetic disk (P3N3)—[R1-R2]6 (1) wherein R1 is —OCH2CF2O(CF2CF2O)x(CF2O)yCF2CH2O—, or —OCH2CF2CF2O(CF2CF2CF2O)ZCF2CH2O— or...
US20090318664 LOW PROFILE LUBRICANT WITH CYCLOPHOSPHAZENE RING ATTACHED  
A compound comprising a backbone with a perfluoropolyether chain. The compound also has one or more cyclophosphazene rings attached to or incorporated into the backbone. The compound further...
US20130157082 PERFLUORINATED POLYETHERS (PFPE) AS MAGNETIC LUBRICANTS  
A surface agent includes two end portions and a middle portion disposed between the end portions. The end portions include an anchor group or a truncation group. The anchor group includes at least...
US20090252991 Iron Nitride-Based Magnetic Powder, Process for Producing the Same, and Magnetic Recording Medium  
Provided is an iron nitride-based magnetic powder that comprises magnetic particles having a mean particle size of at most 20 nm. The magnetic particle has a core of a main phase of Fe16N2 and...
US20110003175 COMPOSITE PERPENDICULAR MEDIA WITH GRADED ANISOTROPY LAYERS AND EXCHANGE BREAK LAYERS  
A perpendicular magnetic recording layer may include a hard granular layer, an exchange break layer formed on the hard granular layer, and a soft granular layer formed on the exchange break layer....
US20090311556 SYNTHESIS, FUNCTIONALIZATION AND ASSEMBLY OF MONODISPERSE HIGH-COERCIVITY SILICA-CAPPED FePt NANOMAGNETS OF TUNABLE SIZE, COMPOSITION AND THERMAL STABILITY FROM IMCROEMULSIONS  
A nanoparticle includes a metal core and an outer shell. The metal core includes a magnetic alloy of platinum and at least one additional metal. The outer shell is selected from the group...
US20090220723 Moulding Device and Method  
An injection-moulding device is disclosed, comprising at least a first (1) and a second (3) mould part, defining a mould cavity (4). At least one of the mould parts comprises cooling ducts (5),...
US20080226949 Damper for use in data storage applications  
A damper for a data storage device having a viscoelastic material and a constraint material disposed on the viscoelastic material, the constraint material covers the sides of the viscoelastic...
US20110305924 METALLIC MAGNETIC POWDER AND MANUFACTURING METHOD OF THE SAME, MAGNETIC PAINTING, MAGNETIC POWDER FOR MAGNETIC THERAPY, AND MAGNETIC RECORDING MEDIUM  
A metallic magnetic powder where a primary particle of each metallic magnetic particle is a powder without forming an aggregate, and a method of making the same that includes manufacturing a...
US20090128951 ELECTRONIC INFORMATION STORAGE APPARATUS WITH NON-LUBRICATED MEDIA  
Described herein are various embodiments of an electronic information storage apparatus and an associated method and system. For example, according to one illustrative embodiment, a disk drive...
US20110123830 METALLIC MAGNETIC POWDER FOR MAGNETIC RECORDING AND PROCESS FOR PRODUCING THE METALLIC MAGNETIC POWDER  
According to a method for producing a metallic magnetic powder for magnetic recording, which comprises treatment including, in sequence, a step of allowing a reducing agent to act on a metallic...
US20110117387 METHOD FOR PRODUCING METAL NANODOTS  
A method for fabricating metal nanodots on a substrate is provided. The method includes: preparing a nanoporous polysulfone membrane; applying the nanoporous polysulfone membrane onto a substrate;...
US20110129690 TUNNELING MAGNETORESISTIVE ELEMENT INCLUDING MULTILAYER FREE MAGNETIC LAYER HAVING INSERTED NONMAGNETIC METAL SUBLAYER  
A tunnel magnetoresistive element includes a laminate including a pinned magnetic layer, an insulating barrier layer, and a free magnetic layer. The insulating barrier layer is composed of Ti—Mg—O...
US20140147699 LUBRICANT AND MAGNETIC DISK  
A lubricant containing a compound (A) comprising a perfluoropolyether having a main-chain structure of the formula (1) and having a polar group at each of opposite terminals thereof, and a...
US20090197121 THERMALLY STABLE HIGH ANISOTROPIC HIGH MAGNETIC MOMENT FILMS  
High magnetic moment films FeCo(X, Y), where X is a transition metal element and Y is a rare earth element are formed using off-axis static deposition techniques. The films have tunable magnetic...
US20130252030 MAGNETOELECTRIC COMPOSITES  
Disclosed is a magnetoelectric (ME) composite including both a piezoelectric material and a magnetostrictive material, wherein a piezoelectric single crystal material having high piezoelectric...
US20080198509 Three-etch ABS design with a closed front channel  
An air-bearing surface of a hard disk drive slider comprises a trailing edge wherein a magnetic transducer is coupled to the air-bearing surface. A leading edge is opposite from the trailing edge....
US20110076515 Low-Coupling Oxide Media (LCOM)  
A low-coupling perpendicular magnetic recording media comprising a magnetic storage layer and at least one low saturation magnetization layer. The magnetic storage layer has a saturation...
US20100035083 MIXTURE OF LOW PROFILE LUBRICANT AND CYCLOPHOSPHAZENE COMPOUND  
A composition comprising a mixture of a low profile lubricant and a compound comprising one or more cyclophosphazene rings. The low profile lubricant comprises a perfluoropolyether backbone, at...
US20080102320 NON-ERASABLE MAGNETIC IDENTIFICATION MEDIA  
A magnetic storage medium and method of manufacturing the same comprises a substrate, a magnetic material adjacent to the substrate, and regions of variable magnetic permeability in the magnetic...
US20110151282 METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR DATA STORAGE MEDIUM AND GLASS SUBSTRATE  
The present invention relates to a method for manufacturing a glass substrate for data storage mediums, the method including a chemical strengthening treatment step of dipping a glass for a...
US20130280555 MAGNETIC DISK, LUBRICANT-LAYER-FORMING COMPOSITION FOR FORMING A LUBRICANT LAYER, AND METHOD FOR FORMING THE LUBRICANT LAYER  
A magnetic disk according to one embodiment of the present invention includes a base material and a lubricant layer provided on or over a base material. The lubricant layer contains a rod-like...
US20110111261 PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING A DUAL ONSET LAYER  
Perpendicular magnetic recording (PMR) media and methods of fabricating PMR media are described. The PMR media includes, among other layers, an underlayer, a first onset layer on the underlayer, a...
US20090098411 METHOD OF MANUFACTURING FERRITE POWDER, FERRITE POWDER, AND MAGNETIC RECORDING MEDIA  
A method of manufacturing ferrite powder, by which a precursor obtained by an in-solution reaction method is heated at a temperature increase rate of 20° C./min or higher until arriving at a final...
US20120282491 FLUORINATED POLYTETRAMETHYLENE GLYCOL (PTMG) WITH DIEPOXIDE ENDGROUPS AS MAGNETIC LUBRICANTS  
A surface agent includes two end portions and a middle portion disposed between the end portions. The end portions include a terminal section and a midsection. The terminal section includes at...
US20060279395 Inductor and magnetic body thereof  
A magnetic body for a transforming device or a regulating device is formed by mixing a first magnetic material, a second magnetic material and a resin, and curing the mixture. The average particle...
US20140272470 Energy Assisted Segregation Material  
Apparatus for recording data and method for making the same. In accordance with some embodiments, a magnetic layer is supported by a substrate and comprises a magnetic magnetic material, a...
US20100021763 EASY TO WRITE AND HARD TO DECAY MEDIA FOR HARD DISK DRIVE APPLICATIONS  
A magnetic recording medium is presented, characterized by having a nonmonotonicity in the DCD curve, resulting in low dynamic coercivity when writing information to the medium, with high static...
US20110171493 SPIN-TORQUE BASED MEMORY DEVICE USING A MAGNESIUM OXIDE TUNNEL BARRIER  
A magnetic tunnel junction stack including a pinned magnetic layer, a tunnel barrier layer formed of magnesium oxide (MgO), a free magnetic layer adjacent to the tunnel barrier layer, and a layer...
US20110117386 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.
US20090068497 METHOD FOR TESTING MOLD STRUCTURE, MOLD STRUCTURE, MOLD ORIGINAL MASTER, AND MAGNETIC RECORDING MEDIUM  
The present invention provides a method for testing a disc shaped mold structure having a convexo-concave pattern formed on a surface thereof based on a desired design pattern, including at least:...
US20080166596 RE-BASED ALLOYS USABLE AS DEPOSITION TARGETS FOR FORMING INTERLAYERS IN GRANULAR PERPENDICULAR MAGNETIC RECORDING MEDIA & MEDIA UTILIZING SAID ALLOYS  
A Re-based alloy material comprises >50 at. % Re and at least one alloying material selected from grain size refinement elements X which have an atomic radius larger or smaller than that of Re and...
US20080176106 Lubricant with non-terminal functional groups  
Lubricant with non-terminal functional groups. The location of the functional groups minimizes free chain length and molecular weight of a lubricant while simultaneously maximizing evaporation...
US20110236722 COATING METHOD AND APPARATUS, METHOD OF MAKING SUBSTRATE ROLL, AND MAGNETIC TAPE  
A method of coating a moving web of a substrate with a coating, includes applying the coating to the substrate to provide a coating thickness distribution curve along a width direction of the...
US20130155549 PATTERNED MAGNETIC STORAGE MEDIUM  
According to one embodiment, a patterned magnetic storage medium is disclosed herein. The magnetic storage medium includes a magnetic domain, a substantially non-magnetic region laterally adjacent...
US20090308932 VALUE DOCUMENT COMPRISING A SECURITY ELEMENT  
The invention relates to a document of value, in particular a credit card, identity card or ticket, and to a transfer film for the production of a document of value. The latter has on one of its...
US20120231296 METHOD FOR MANUFACTURING AN ADVANCED MAGNETIC READ SENSOR  
A method for manufacturing a magnetic sensor that minimizes topography resulting from stripe height defining masking and patterning in order to facilitate definition of track width. The method...
US20120251843 LUBRICANT COMPOSITIONS  
Compositions including one or more a central cores having a cyclic group, and a plurality of arms extending from the central cores, wherein the arms comprise perfluoropolyethers (PFPEs) or its...

Matches 1 - 50 out of 249 1 2 3 4 5 >